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    Wyświetlanie 1-47 z 47
    Tytuł:
    Tridacna – the largest bivalves
    Autorzy:
    Samek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/83881.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Źródło:
    Folia Malacologica; 2010, 18, 3
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bivalves of the river Nida
    Autorzy:
    Zajac, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/84370.pdf
    Data publikacji:
    2002
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Źródło:
    Folia Malacologica; 2002, 10, 1
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bivalves in surface deposits of the Southern Baltic
    Autorzy:
    Krzyminska, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/84235.pdf
    Data publikacji:
    2000
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Opis:
    Maximum depth of occurrence and preferred substrata have been determined, and distribution maps prepared for four bivalve species of the S Baltic: Cerastoderma glaucum (Poiret) (30–35 m, sandy bottom), Macoma balthica (L.) (55–80 m, muddy bottom), Mya arenaria L. (30–35 m, sandy bottom) and Mytilus edulis L. (40–50 m, stony bottom); four bivalve communities have been distinguished and mapped.
    Źródło:
    Folia Malacologica; 2000, 08, 1
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Unionid bivalves of the Pilica River catchment area
    Autorzy:
    Abraszewska-Kowalczyk, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/84699.pdf
    Data publikacji:
    2002
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Opis:
    The 1995–1998 studies on the unionid fauna of the Pilica catchment area (C Poland) included 103 localities in the river, tributaries, floodplain water bodies and the dam reservoir on the river. As a result of qualitative and quantitative sampling six unionid species (one represented by two forms) were recorded: Unio crassus Philipsson, U. tumidus Philipsson, U. pictorum (Linnaeus), Anodonta cygnea f. cygnea (Linnaeus), A. cygnea f. cellensis (Schröter), A. anatina (Linnaeus) and Pseudanodonta complanata (Rossmässler). Three of them: U. crassus, A. cygnea f. cygnea and P. complanata were found to be rare. Dominance structure and density of unionids are discussed. Spatial distribution and abundance are analysed on the background of such ecological factors as character of bottom sediments, bottom configuration, vegetation, distance from shore, seston content as well as physico-chemical, hydrobiological and bacteriological water pollution. Ecological preferences of each species are described. Selected populations are characterised with respect to their age structure. Species which were abundantly represented are characterised with respect to their metric characters and sexual dimorphism, as well as effect of zebra mussel on their growth and condition.
    Źródło:
    Folia Malacologica; 2002, 10, 3
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Turonian (Upper Cretaceous) inoceramid bivalves of the genus Mytiloides from the Sredna Gora Mountains, north-western Bulgaria
    Autorzy:
    Dochev, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/139314.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Turonian
    inoceramid bivalves
    taxonomy
    Mytiloides
    biostratigraphy
    turon
    małże
    taksonomia
    biostratygrafia
    Opis:
    The inoceramid bivalves of the genus Mytiloides, from the Turonian (Upper Cretaceous) of the Sredna Gora Mts (north-western Bulgaria), are studied. The material comes from three sections: Izvor, Filipovtsi, and Vrabchov dol. Eight species are described taxonomically, with one left in open nomenclature: M. cf. mytiloides (Mantell, 1822), M. mytiloidiformis (Tröger, 1967), M. incertus (Jimbo, 1894), M. scupini (Heinz, 1930), M. herbichi (Atabekian, 1969), M. striatoconcentricus (Gümbel, 1868), M. labiatoidiformis (Tröger, 1967) and M. carpathicus (Simionescu, 1899). Mytiloides incertus and Mytiloides scupini are index species for the eponymous Upper Turonian inoceramid biozones
    Źródło:
    Acta Geologica Polonica; 2015, 65, 1; 101-119
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Palaeolatitudinal gradients along the southeastern Palaeo-Pacific margin and the distribution of Early Jurassic bivalves
    Autorzy:
    Damborenea, S. E.
    Echevarria, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2077321.pdf
    Data publikacji:
    2015
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    South America
    bivalves
    palaeolatitudal gradients
    palaeogeography
    Early Jurassic
    Ameryka Południowa
    małże
    paleogeografia
    jura wczesna
    Opis:
    Presence-absence bivalve species data for each Early Jurassic stage along southeastern South America between 20 and 46°S present-day latitude were processed by a set of analytical methods to analyse the palaeolatitudinal patterns of diversity and distribution. The expected decrease in species diversity towards higher latitudes is punctuated by a consistent local diversity increase between 34 and 42°, especially evident during Pliensbachian and Toarcian times, which may be due to an abrupt change in palaeogeography at that latitude, coinciding with the Curicó direct connection to the open ocean and the establishment of an increased variety of habitats within the extensive Neuquén Basin. The proportions of systematic groups show relative increases towards both higher latitudes (Crassatelloidea, Nuculanoidea, Pectinoidea, Monotoidea, Inoceramoidea) and lower latitudes (Trigonioidea, Pholadomyoidea, Limoidea, Lucinoidea). Epifaunal bivalves were dominant during the Hettangian but by Pliensbachian–Toarcian times they were less common than infaunal ones, while semi-infaunal species had low diversities during the whole Early Jurassic. This study suggests that (a) large scale geographical conditions should be taken into account for the analysis of latitudinal diversity trends among benthonic faunas; and (b) latitudinal trends of some living bivalve lineages may have a longer and more complex history than previously thought.
    Źródło:
    Volumina Jurassica; 2015, 13, 1; 3--16
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mitochondrial DNA-based diagnostic molecular markers for freshwater bivalves
    Autorzy:
    Soroka, M.
    Grygienczo-Razniewska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/84024.pdf
    Data publikacji:
    2005
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Opis:
    The study was carried out on 9 species of freshwater bivalves (Dreissena polymorpha, D. bugensis, Unio crassus, U. pictorum, U. tumidus, Anodonta anatina, A. cygnea, A. woodiana, and Pseudanodonta complanata). The mitochondrial COI gene studied with PCR-RFLP and 6 restriction enzymes (ScrFI, Csp6I, BsiZI, EcoRI, BamHI and AluI) showed the absence of individual variability within each species studied. The genetic variability of the COI involved differences at the species, genus, and family level, depending on the restriction enzyme used. Four restriction enzymes (ScrFI, Csp6I, BsiZI and AluI) proved efficient in differentiating between D. polymorpha and D. bugensis as well as in identifying the three Unio species (Csp6I and AluI), U. crassus, and P. complanata (ScrFI and AluI). EcoRI and AluI made it possible to identify A. anatina and P. complanata. Two (for EcoRI), 3 (for Csp6I, BsiZI), 5 (for ScrFI) and 9 (for AluI) unique genotypes that occurred in a single species each were observed; the enzymes may therefore be regarded as species-specific markers. Only restriction enzyme AluI can differentiate between A. cygnea and A. woodiana.
    Źródło:
    Folia Malacologica; 2005, 13, 4
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The late Silurian-Middle Devonian long-term eustatic cycle as a possible control on the global generic diversity dynamics of bivalves and gastropods
    Autorzy:
    Ruban, Dmitry A.
    Powiązania:
    https://bibliotekanauki.pl/articles/94693.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    bivalves
    gastropods
    diversity dynamics
    origination
    extinction
    eustatic changes
    Silurian
    Devonian
    małże
    ślimaki
    powstawanie
    wyginięcie
    zmiany eustatyczne
    Dewon
    Opis:
    A long-term eustatic cycle (fall and subsequent rise of the global sea level) embraced the late Silurian-Middle Devonian time interval. Potentially, these sea-level changes could drive global biodiversity. The stratigraphic ranges of 204 bivalve genera and 279 gastropod genera included into the famous Sepkoski database allow reconstructing changes in the total diversity and the number of originations and extinctions of these important groups of marine benthic macro- -invertebrates during this interval. None of the recorded parameters coincided with the long-term global sea-level cycle. It cannot be not excluded, however, that the global sea-level changes did not affect the regions favourable for bivalve and gastropod radiation because of regional tectonic mechanisms; neither can it be excluded that the eustatic control persisted together with many other extrinsic and intrinsic controls. Interestingly, the generic diversity of gastropods increased together with a cooling trend, and vice versa. Additionally, the Ludlow, Eifelian, and Givetian biotic crises affected, probably, both fossil groups under study. There was also a coincidence of the relatively high bivalve generic diversity, initial radiation of gastropods and the entire biota, and the diversification of brachiopods with the Early Devonian global sea-level lowstand, and this may be interpreted as evidence of a certain eustatic control on the marine biodiversity.
    Źródło:
    Geologos; 2013, 19, 3; 193-200
    1426-8981
    2080-6574
    Pojawia się w:
    Geologos
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chemosymbiotic bivalves from the late Pliocene Stirone River hydrocarbon seep complex in northern Italy
    Autorzy:
    Kiel, S.
    Taviani, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/23220.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Opis:
    Seven species of chemosymbiotic bivalves are described from the late Pliocene Stirone River hydrocarbon seep complex in northern Italy, including one new species and two in open nomenclature. The known species are the solemyid Acharax doderleini, the lucinids Lucinoma persolida and Megaxinus ellipticus, and the vesicomyid Isorropodon aff. perplexum; in open nomenclature we report two lucinids, including the largest species of Lucinoma known from the Italian Pliocene to date, and a strongly inflated, large Anodontia sp. The most abundant species at the Stirone seep complex is the lucinid Megaxinus stironensis sp. nov. This Pliocene seep fauna differs from that of the well-known Miocene “Calcari a Lucina” seep deposits by lacking large bathymodiolin mussels and vesicomyid clams; instead, the dominance of the lucinid Megaxinus stironensis gives this fauna a unique character. We speculate that at the Stirone seep complex, Megaxinus had occupied the ecological niche that Meganodontia occupied at the Miocene “Calcari a Lucina” seep sites in the Mediterranean basin, and that the dominance of Megaxinus could be a wide-spread feature of Pliocene chemosynthesis-based ecosystems in Mediterranean Pliocene.
    Źródło:
    Acta Palaeontologica Polonica; 2018, 63, 3
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Late triassic traces of attacks of dipnoan fishes on bivalves of the order Unionoida
    Autorzy:
    Skawina, A.
    Niedzwiedzki, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/83704.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Źródło:
    Folia Malacologica; 2010, 18, 3
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Faunal dynamics of bivalves and scaphopods in the Bathonian (Middle Jurassic) ore-bearing clays at Gnaszyn, Kraków-Silesia Homocline, Poland
    Autorzy:
    Kaim, A.
    Sztajner, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/138633.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    baton
    Gnaszyn
    iły rudonośne
    jura
    łódkonogi
    małże
    paleoekologia
    Polska
    ślimaki
    Bathonian
    bivalves
    gastropods
    Jurassic
    ore-bearing clays
    palaeoecology
    Polska
    Scaphopods
    Opis:
    The environment at the Gnaszyn section - as deduced from bivalve and scaphopod dynamics - was controlled by the substrate consistency and possibly oxygen deficiency near the sediment-water interface and/or oxygen content fluctuations. The middle part of the section dominated by nuculoid and corbulid bivalves and Laevidentalium-type scaphopods probably reflects a soupy substrate and possibly oxygen deficiency in the sediment. Slightly coarser and better-oxygenated silts in the upper and lower parts of the section offered a less soupy substrate consistency, allowing the development of communities dominated by astartids, byssate bivalves, and Dentalium- and Plagioglypta-type scaphopods.
    Źródło:
    Acta Geologica Polonica; 2012, 62, 3; 381-395
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bivalves the in palaeontological collection of the Natural History Collections of the Biology Department, UAM
    Autorzy:
    Konwerski, S.
    Bloszyk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/84445.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Źródło:
    Folia Malacologica; 2010, 18, 3
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fossil Cenozoic crassatelline bivalves from Peru: new species and generic insights
    Autorzy:
    DEVRIES, THOMAS J.
    Powiązania:
    https://bibliotekanauki.pl/articles/945669.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    bivalvia
    crassatellidae
    evolution
    florida
    new zealand
    peru
    Opis:
    Discoveries of new fossil Cenozoic crassatellines in Peru provide a new phylogenetic perspective on “large” Neogene genera, in which four lineages are considered to have arisen independently from different Paleogene Crassatella ancestors. Latest Oligocene and early Miocene species of the new genus Tilicrassatella gen. nov.―T. ponderosa, T. torrens sp. nov., and T. sanmartini sp. nov. from the East Pisco Basin―probably evolved from the late Eocene species, Crassatella rafaeli sp. nov., which itself differed in significant respects from slightly older species of the East Pisco Basin, C. neorhynchus and C. pedroi sp. nov. The paciphilic genus, Hybolophus, is raised to full generic status. Added to its ranks are the East Pisco Miocene species H. maleficae sp. nov., H. terrestris sp. nov., and the oldest species of the genus, the late Eocene or Oligocene H. disenum sp. nov. from the Talara Basin of northern Peru. Kalolophus gen. nov., encompassing circum-Caribbean fossil species, the extant species, K. speciosus, and the trans-isthmus species, K. antillarum, appears to have evolved from the early Oligocene Floridian species, Crassatella portelli sp. nov. The genus Marvacrassatella is a western Atlantic Miocene lineage most likely descended from Kalolophus. The genus Eucrassatella is restricted to Australian and New Zealand taxa. The Eocene New Zealand species, Spissatella media, is transferred to Eucrassatella and deemed a candidate for the most recent common ancestor of younger Eucrassatella and all Spissatella species. In the southern Pacific Ocean, the circum-Caribbean region, and tropical western America, crassatelline lineages developed one or more of the following characters: large resilifers, smooth ventral margins, and an extended left anterior cardinal tooth. Some of these late Paleogene convergent character changes might have countered increased shear forces exerted on the crassatelline valves while burrowing into finer-grained and more cohesive sediments in deeper or quieter water.
    Źródło:
    Acta Palaeontologica Polonica; 2016, 61, 3; 661-688
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Revision of stratigraphic ranges of selected invertebrate taxa from the Muschelkalk in Silesia
    Autorzy:
    Niedźwiedzki, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059931.pdf
    Data publikacji:
    2002
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Silesia
    Triassic
    muschelkalk
    bivalves
    ammonoids
    brachiopods
    echinoderms
    Opis:
    New occurrences of some invertebrates in the Silesian Muschelkalk are presented, hanging the stratigraphic ranges of these taxa, especially in the Dziewkowice Formation. 13 taxa have been found for the first time in this formation or had their stratigraphic ranges revised in the last two decades.
    Źródło:
    Geological Quarterly; 2002, 46, 2; 219-234
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bositra limestones - a step towards radiolarites: case study from the Tatra Mountains
    Autorzy:
    Jach, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/191672.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    thin-shelled bivalves
    Middle Jurassic
    Krížna Basin
    Carpathians
    Western Tethys
    Opis:
    Bositra limestones of Aalenian–Lower Bathonian age crop out in the Krížna unit in the Western Tatra Mountains (Poland). They are sandwiched between pelagic red limestones and radiolarites and display lateral facies variation. Four facies were distinguished: (i) Bositra packstones/grainstones, (ii) crinoidal packstones/ grainstones, (iii) Bositra-crinoidal packstones, and (iv) Bositra-radiolarian wackestones. The Bositra packstones/ grainstones were laid down in high-energy setting, while Bositra-radiolarian wackestones in calm condition. Crinoidal packstones/grainstones represent density current deposits. Bositra-crinoidal packstones resulted from intense bioturbation and mixing of crinoidal packstones/grainstones with background Bositra-rich deposits. Topographic gradient affected the lateral facies variation. Taphonomic factors strongly controlled by energy of the sedimentary environment, ecological factors which caused domination of Bositra bivalves in benthos assemblage and dissolution eliminating non-calcitic bioclasts could resulted in formation of the Bositra limestones. The eutrophication of water column and remodelling of the Krížna Basin, which finally led to deposition of radiolarites seem to be of considerable importance. Hence, Bositra limestones can be regarded as the record of the interme- diate stage of the basin evolution towards radiolarite formation.
    Wapienie bositrowe wczesnego aalenu–wczesnego batonu, które odsłaniają się w jednostce kriżniańskiej w Polskich Tatrach Zachodnich znajdują się w profilach pomiędzy pelagicznymi czerwonymi wapieniami a radiolarytami (Fig. 1, 2; Lefeld et al., 1985; Gradziński et al., 2004). Wapienie te wykazują wyraźne facjalne zróżnicowanie. Wydzielone zostały następujące facje: (i) bositrowe pakstony/greinstony, (ii) krynoidowe pakstony/greinstony, (iii) bositrowo-krynoidowe pakstony i (iv) bositrowo-ra diolariowe wakstony (Fig. 2, 3). Bositrowe pakstony/greinstony powstały w środowisku o stosunkowo wysokiej energii, a bositrowo- radiolariowe wakstony w warunkach niskiej energii. Krynoidowe pakstony/greinstony są interpretowane jako osady prądów gęstościowych, a bositrowo-krynoidowe pakstony jako osady prądów gęstościowych zbioturbowane i zmiksowane z osadami tła depozycyjnego. Zróżnicowana morfologia basenu wpłynęła na oboczną zmienność facjalną omawianych wapieni i przestrzenny rozkład facji (Fig. 4). Powstanie wapieni bositrowych było warunkowane przez czynniki natury tafonomicznej, związane z energią środowiska sedymentacji, natury ekologicznej decydujące o dominacji bositr w zespole bentosu i procesy rozpuszczania eliminujące nie kalcytowe bioklasty. Postępująca eutrofizacja wód (Bartolini & Cecca, 1999; Cobianchi & Picotti, 2001) i przemodelowanie basenu kriżniańskiego związane z procesami ryftingu Zachodniej Tetydy, które ostatecznie doprowadziły do depozycji radiolarytów, wydają się mieć zasadniczy wpływ na powstanie wapieni bositrowych. Tak więc, wapienie bositrowe reprezentują przejściową fację poprzedzającą w czasie powstanie tetydzkich jurajskich radiolarytów.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2007, 77, No 2; 161-170
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characteristics of mitochondrial DNA of unionid bivalves (Mollusca: Bivalvia: Unionidae). I. Detection and characteristics of doubly uniparental inheritance (DUI) of unionid mitochondrial DNA
    Autorzy:
    Soroka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/84282.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Opis:
    Doubly Uniparental Inheritance (DUI), a peculiar way of inheritance of mitochondrial DNA in animals, has been detected in seven families of marine and freshwater bivalves, including Unionidae. DUI involves two independently inherited mitochondrial genomes: maternal (F genome) and paternal (M genome), which show different tissue localisation and wide genetic variation. F genomes occur in somatic tissues of both sexes and are inherited maternally (Strict Maternal Inheritance, SMI). M genomes are located in male germ cells and transmitted to next generations along the male lineage, i.e. from fathers to male offspring. The objective of this study was detection of M genomes and characteristics of DUI in unionid bivalves from Poland, based on sequential analyses of seven mitochondrial genes. This is the study to analyse F and M haplotypes at intra- and interspecific level in seven species of freshwater mussels. DUI was first observed in species of the genus Unio (U. crassus, U. pictorum and U. tumidus), and the best M haplotype marker was gene cox1. In the studiem bivalves F and M sequences showed a similar intraspecific variation, with differences among the genes. Three tRNA genes showed the smallest (ca. 20%) nucleotide variation, followed by the gene coding for RNA for the small ribosomal subunit, srRNA (24%); a significantly greater variation (exceeding 30%) was recorded for protein-coding genes (cox1, cytb) and the gene coding for RNA for the large ribosomal subunit, lrRNA. Interspecific variation of F sequences of the studied unionids ranged from 5% for tRNAs to18% for cytb. Higher values were observed for M sequences: from 7% for tRNAs to19% for cox1. The Chinese mussel occurring in Poland, despite the morphology-based identification as Anodonta / Sinanodonta woodiana, proved to be genetically more similar to A. arcaeformis than toAsian specimens of A. woodiana. Phylogenetic analyses showed that in the genus Unio the youngest species were U. pictorum and U. mancus, and the earliest species was U. tumidus showing the greatest genetic distinctness.
    Źródło:
    Folia Malacologica; 2010, 18, 4
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geoexpeditions with Lithiotis-type bivalves – field works of Student Scientific Association “Strati” (AGH University of Krakow)
    Autorzy:
    Ziarek, Zbigniew
    Andrzejak, Jakub
    Krobicki, Michał
    Powiązania:
    https://bibliotekanauki.pl/articles/24202116.pdf
    Data publikacji:
    2023
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    geoexpeditions
    AGH University
    Opis:
    Student Scientific Association of Stratigraphy “Strati” at AGH University of Krakow is a research group founded in the 1990s. Their main focus has been on the evolution of the Tethys Ocean during the Jurassic and Cretaceous periods and the geology of Alpine system. They have conducted research in the Polish Carpathians, Eastern Carpathians (Ukraine, Slovakia, Romania), High Atlas (Morocco), Albanian Alps (Albania), and the central Thakkhola region of the Himalaya in Nepal. Currently, their aim is to undertake a scientific expedition to the Ladakh region in the Indian Himalayas. This project is closely related to their previous works, where they studied Early Jurassic buildups created by bivalves of the so-called Lithiotis facies. These biostructures occurred alongside of the southern margin of the Early Jurassic Tethys Ocean. The Association aims to conduct palaeontological, palaeoecological, sedimentological, and palaeobiogeographical analyses to gain insights into the appearance of Lithiotis buildups in the Pliensbachian and their disappearance by the end of the Early Toarcian time the most probably due to Toarcian Anoxic Event within Tethys Ocean. After a faunal crisis during one of the major mass extinctions (known as “The Great Five”) at the Triassic-Jurassic boundary, “reef-like” environments began to rebuild their biocenoses. One of the first groups of marine invertebrates that started forming organic structures after this crisis were Lithiotis-type bivalves. The most characteristic representatives of this group belong to the following genera: Lithiotis, Cochlearites, Lithioperna, and Mytiloperna. A detailed sedimentological and palaeoecological analysis of the Ladakh/Zanskar profiles will be the main objective of the next expedition, with similar occurrences of Lithiotis bivalves in other parts of the “Tethys world” serving as a comparative material.
    Źródło:
    Geotourism / Geoturystyka; 2023, 1-2 (72-73); 82--83
    1731-0830
    Pojawia się w:
    Geotourism / Geoturystyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic identification of morphologically diverse bivalves of the genus Anodonta
    Autorzy:
    Soroka, M.
    Skotarczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/84622.pdf
    Data publikacji:
    1999
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Tematy:
    genetic identification
    morphology
    bivalve
    Anodonta
    Lake Lichenskie
    shell
    Konin town
    Anodonta woodiana
    Źródło:
    Folia Malacologica; 1999, 07, 4
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Shell biomineralization rate in freshwater bivalves of the genus Unio in natural environment experimental measurements of short-term dynamics of shell growth
    Autorzy:
    Skawina, A.
    Stolarski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/84398.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Źródło:
    Folia Malacologica; 2013, 21, 3
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thyasirid bivalves from Cretaceous and Paleogene cold seeps
    Autorzy:
    HRYNIEWICZ, KRZYSZTOF
    AMANO, KAZUTAKA
    JENKINS, ROBERT G.
    KIEL, STEFFEN
    Powiązania:
    https://bibliotekanauki.pl/articles/945983.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    bivalvia
    thyasiridae
    cold seeps
    deep sea
    ecology
    evolution
    cretaceous
    paleogene
    Opis:
    We present a systematic study of thyasirid bivalves from Cretaceous to Oligocene seep carbonates worldwide. Eleven species of thyasirid bivalves are identified belonging to three genera: Conchocele, Maorithyas, and Thyasira. Two species are new: Maorithyas humptulipsensis sp. nov. from middle Eocene seep carbonates in the Humptulips Formation, Washington State, USA, and Conchocele kiritachiensis sp. nov. from the late Eocene seep deposit at Kiritachi, Hokkaido, Japan. Two new combinations are provided: Conchocele townsendi (White, 1890) from Maastrichtian strata of the James Ross Basin, Antarctica, and Maorithyas folgeri (Wagner and Schilling, 1923) from Oligocene rocks from California, USA. Three species are left in open nomenclature. We show that thyasirids have Mesozoic origins and appear at seeps before appearing in “normal” marine environments. These data are interpreted as a record of seep origination of thyasirids, and their subsequent dispersal to non-seep environments. We discuss the age of origination of thyasirids in the context of the origin of the modern deep sea fauna and conclude that thyasirids could have deep sea origins. This hypothesis is supported by the observed lack of influence of the Cretaceous and Paleogene Oceanic Anoxic Events on the main evolutionary lineages of the thyasirids, as seen in several other members of the deep sea fauna.
    Źródło:
    Acta Palaeontologica Polonica; 2017, 62, 4
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characteristics of mitochondrial DNA of unionid bivalves (Mollusca: Bivalvia: Unionidae). II. Comparison of complete sequences of maternally inherited mitochondrial genomes of Sinanodonta woodiana and Unio pictorum
    Autorzy:
    Soroka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/84135.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Opis:
    The objective of the study was to sequence the complete female mitochondrial genomes of Sinanodonta woodiana and Unio pictorum, and toascertain their intra- and inter-specific variation within all the genes and non-coding regions. Complete sequence of maternally inherited mitochondrial genome of Sinanodonta woodiana is 16,243 bp long and is one of the three longest mt genomes in unionids; mt genome of Unio pictorum with its 15,761 bp is one of the smallest in the family. Each genome includes 14 protein-coding genes (13 as in most Metazoa, plus one open reading frame F ORF), 2 ribosomal RNA genes and 22 genes for transfer RNA with typical secondary structures, except for tRNA for serine1. S. woodiana has 25, and U. pictorum 27 non-coding sequences, which constitute 7.8 and 4.9% of mt genome, respectively. The content of A+T bases is 65.8% in S. woodiana and 65.1% in U. pictorum; the difference between the twospecies is 21%. Intra-specific variation in S. woodiana is three times greater than in U. pictorum. Lower nucleotide diversity within the second species suggests a small effective population size of the Polish U. pictorum. The twospecies show a similar usage of the most frequent and least frequent codons; the differences pertain to the usage of both stop codons. Gene trnS1 (serine, UGA) in unionids is very little variable with respect to tRNA secondary structure (absence of DHU arm), and nucleotide composition, while its inter-specific variation is half lower than in other mt-tRNAs.
    Źródło:
    Folia Malacologica; 2010, 18, 4
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Organisation of mitochondrial DNA in dreissenid bivalves
    Autorzy:
    Soroka, M.
    Burzynski, A.
    Rymaszewska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/84655.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Tematy:
    mitochondrial DNA
    bivalve
    Dreissenidae
    genome
    Cristaria plicata
    Placopecten magellanicus
    gene number
    Dreissena
    Dreissena polymorpha
    Dreissena bugensis
    Źródło:
    Folia Malacologica; 2012, 20, 1
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reddish multiphase infillings in the megalodontid bivalves and solution voids in Julian Alps – NW Slovenia
    Autorzy:
    Slapnik, Lucija
    Rožič, Boštjan
    Gale, Luka
    Rožič, Petra Žvab
    Waśkowska, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/24202120.pdf
    Data publikacji:
    2023
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    Slovenia
    Alps
    limestone
    Opis:
    At a nature-preserve protected site in the Julian Alps (NW Slovenia), in the Pod Peski valley, red fillings of megalodontid bivalves occur within the Upper Triassic Dachstein limestone. Based on optical and cathodoluminescent microscopy and X-ray fluorescence (XRF) analysis, four generations of shell fillings were recognized, some of which contain both cement and sediment subgenerations. Logging and sampling of the limestone sequence a few meters below and above the “main” layer containing the megalodontids mentioned above revealed that the limestone is characterized by solution voids similar to the megalodontids. Namely, these voids are also filled with reddish multigeneration sediment with alternating calcite cement. Adjacent neptunian dykes were studied to clarify their influence on the last generation fillings. Two of them, located directly on the “main” layer with red-filled megalodontids, contain planktonic foraminifera, indicating Middle Jurassic or younger age. The next two neptunian dykes are located directly above the “main” layer, and one contains clasts with calpionellids characteristic of the Late Jurassic/Early Cretaceous. The last dyke explored is located a few tens of meters from the “main” layer and is several hundred meters long. In a few sample from this dyke Early Cretaceous planktonic foraminifera were identified. Microscopic analysis revealed that the reddish sedimentary fillings are part of a complex palaeokarst system that produced the first three generations of fillings, and in the last (fourth) generation we noted similarities between the megalodontid fillings and neptunian dykes on the “main” bedding plane. In addition, a Santonian–Maastrichtian sedimentary fill with globotruncanid foraminifers were discovered in the upper part of the succession in one of the solution voids.
    Źródło:
    Geotourism / Geoturystyka; 2023, 1-2 (72-73); 64--64
    1731-0830
    Pojawia się w:
    Geotourism / Geoturystyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lucinid bivalves from Miocene hydrocarbon seep sites of eastern North Island, New Zealand, with comments on Miocene New Zealand seep faunas
    Autorzy:
    Amano, K.
    Little, C.T.S.
    Campbell, K.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/21093.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Opis:
    Three new fossil species of lucinids, Meganodontia haunuiensis, Elliptiolucina neozelandica, and Lucinoma saetheri, are described from lower to middle Miocene hydrocarbon seep carbonates from north and south of Hawke Bay, eastern North Island, New Zealand. Of these taxa Meganodontia haunuiensis is confined to seep sites south of Hawke Bay, while Elliptiolucina neozelandica comes only from the seep sites north of Hawke Bay. Using ecological information from modern bivalve species, we suggest the southern area seep sites formed in shallower waters than the northern sites. Among the lucinids, Meganodontia haunuiensis is one of the oldest records of the genus, and its distribution has shrunk from worldwide in the Miocene times to only around Taiwan today. Elliptiolucina neozelandica is the second oldest species in the genus. Since the Miocene the distribution of Elliptiolucina has narrowed but its habitat range has increased to both seeps and sandy environments, mainly around the Philippines.
    Źródło:
    Acta Palaeontologica Polonica; 2018, 63, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Freshwater molluscs of the Dyje (Thaya) River and its tributaries-the role of these water bodies in expansion of alien species and as a refuge for endangered gastropods and bivalves
    Autorzy:
    Beran, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/84653.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Źródło:
    Folia Malacologica; 2013, 21, 3
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fossil vesicomyid bivalves from Miocene hydrocarbon seep sites, North Island, New Zealand
    Autorzy:
    Amano, K.
    Saether, K.P.
    Little, C.T.S.
    Campbell, K.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/946036.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    mollusca
    bivalvia
    vesicomyidae
    hydrocarbon seep
    miocene
    new zealand
    Opis:
    Two fossil species of vesicomyids are described from Lower to Middle Miocene hydrocarbon seep carbonates in eastern North Island, New Zealand. One elongate species is proposed as a new genus and species: Notocalyptogena neozelandica. The other species probably belongs to the genus Pliocardia, but due to poor preservation is not identified further. The composition of this Miocene vesicomyid seep fauna differs from that found in modern New Zealand seeps located on the offshore Hikurangi convergent margin, which contain the genera Calyptogena, Archivesica, and Isorropodon. The fossil fauna went extinct locally after the Middle Miocene and has been since replaced by the modern vesicomyid taxa.
    Źródło:
    Acta Palaeontologica Polonica; 2014, 59, 2; 421-428
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Invertebrate trace fossil assemblages from the Lower Hettangian of Sołtyków, Holy Cross Mountains, Poland
    Autorzy:
    Pieńkowski, G.
    Niedźwiedzki, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061345.pdf
    Data publikacji:
    2008
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Hettangian, Lower Jurassic
    invertebrate trace fossils
    bivalves
    crayfishes
    insects
    continental ichnofacies
    Holy Cross Mountains
    Polska
    Opis:
    Invertebrate trace fossil assemblages from the Hettangian (Early Jurassic) alluvial plain deposits of Sołtyków (Holy Cross Mts, Poland) represent three terrestrial ichnofacies: the Mermia ichnofacies (entirely aquatic), Scoyenia ichnofacies, and Coprinisphaera ichnofacies. They span environments from shallow lacustrine to different subaerial fluvial environments. Bivalve burrows and traces, oligochaetae, insect and crayfishes burrows, plant roots, vertebrate tracks and other types of trace fossils record information on biodiversity and palaeoecological conditions. The Sołtykow ichnoassemblages confirm that terrestrial ichnocoenoses were quite diversified, chiefly a result of a changing water table and food availability. Diversity of trace fossils was supported by the strongly mosaic character of local environments. Bivalve burrows are very diversified, and several ichnogenera have been distinguished. Trace fossil producers as well as functional, taphonomic and preservational aspects of ichnofossils are discussed. The following ichnotaxa have been recognized: Lockeia siliquaria James, 1879; L. amygdaloides (Seilacher, 1953); L. czarnockii (Karaszewski, 1974); Scalichnus isp.; Scoyenia isp.; Spongeliomorpha isp.; Spongeliomorpha carlsbergi (Bromley and Asgaard, 1979); Cruziana problematica (Schindewolf, 1921); cf. Cruziana isp.; Rusophycus isp.; Diplichnites isp.; cf. Kouphichnium sp.; Planolites isp.; Palaeophycus isp.; Cochlichnus isp.; cf. Helminthoidichnites isp.; cf. Xylonichnus isp., and Linckichnus terebrans Schlirf, 2006. Various structures attributed to arthropod burrows (vertical to subvertical tunnels), chambered insect nests of Pallichnidae affinity or other nests with septa, earthworm burrows as well as enigmatic radial chambers, likely made by crayfishes, are illustrated. The new bivalve dwelling ichnotaxon Calceoformites uchmani igen. et isp. n. is described.
    Źródło:
    Volumina Jurassica; 2008, 6, 1; 109--132
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Long-term changes in the occurrence of unionid bivalves in a eutrophic lake
    Autorzy:
    Lewandowski, K.
    Kolodziejczyk, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/83785.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Tematy:
    long-term change
    occurrence
    unionid bivalve
    Unionidae
    Unio tumidus
    eutrophication
    bivalve
    lake
    eutrophic lake
    Lake Mikolajskie
    Opis:
    Earlier studies (1972–1987) on the occurrence of unionid bivalves in the eutrophicated Lake Mikołajskie (Masurian Lakeland, NE. Poland) were continued in 1992–2008. Of the five recorded species (Unio tumidus, U. pictorum, Anodonta cygnea, A. anatina, and Pseudanodonta complanata), A. cygnea and P. complanata disappeared by 1987, whereas U. pictorum was observed sporadically at that time, and the unionid occurrence zone was markedly reduced. Beginning in 1992, a pronounced increase in abundance of U. tumidus was observed, and since 2002–2003, a decline of the other two species. Since 2003 the maximal original vertical distribution of U. tumidus (down to ca. 5 m) was re-established. The size and age structure of its population changed markedly during the study. No individuals of shell length exceeding 55 mm and aged more than 5–6 years were recorded since 1987. Between 1972 and 1987 one-year-old individuals prevailed, whereas in the following years the age structure changed slowly, and in 2008 two- to four-year-old bivalves were most frequent. The potential effects of changes in trophy and the effects of other factors, e.g. decline of Dreissena polymorpha, on changes in the occurrence of Unionidae in Lake Mikołajskie are discussed.
    Źródło:
    Folia Malacologica; 2014, 22, 4
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Drilling predation on Permian brachiopods and bivalves from the Glass Mountains, West Texas
    Autorzy:
    Hoffmeister, A P
    Kowalewski, M.
    Baumiller, T.K.
    Bambach, R.K.
    Powiązania:
    https://bibliotekanauki.pl/articles/23218.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    drilling predation
    Paleozoic
    brachiopod
    drilling parasitism
    Glass Mountains
    mollusc
    bivalve mollusc
    Texas
    paleontology
    Opis:
    Although bored invertebrates have been described from every period of the Paleozoic, little information on the frequency and nature of Late Paleozoic drill holes exists. Our examination of the Permian silicified fossils, which were bulk collected by G.A. Cooper from the Glass Mountains of west Texas, revealed numerous drilled brachiopods and bivalve mollusks. Drill holes are perpendicular to the shell, smooth sided, sometimes beveled, and have other characteristics consistent with a predatory/parasitic origin. The frequency of drilling is significantly lower (p ≤ 0.05) for brachiopods (1.07%, n = 7597) than for bivalves (7.43%, n = 619). This study confirms that drilling predators and/or parasites were present in the Late Paleozoic. However, the drilling frequencies reported here—rarely exceeding 5%—are much lower than those reported for the Late Mesozoic and Cenozoic, which typically exceed 20%. The low Late Paleozoic frequencies are consistent with a majority of estimates reported previously for the older periods of the Paleozoic and suggest that the intensity of drilling predation/parasitism in marine benthic ecosystems remained low throughout the Paleozoic and did not increase until some time in the Mesozoic. Our data suggest that prey/host types with a higher nutritional return (bivalve mollusks) may have been preferentially selected for attack by predator(s)/parasites(s) already in the Permian.
    Źródło:
    Acta Palaeontologica Polonica; 2004, 49, 3
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bivalves from Cretaceous cold-seep deposits on Hokkaido, Japan
    Autorzy:
    Kiel, S
    Amano, K.
    Jenkins, R.G.
    Powiązania:
    https://bibliotekanauki.pl/articles/22504.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    chemosymbiosis
    Cretaceous
    mollusc fauna
    fossil
    paleontology
    Lucinidae
    bivalve
    Japan
    Thyasiridae
    hydrocarbon seep
    Hokkaido
    cold-seep deposit
    Solemyidae
    Yezo Group
    Manzanellidae
    Opis:
    Cretaceous cold−seep deposits of the Yezo Group on Hokkaido, Japan, yield a rich and well−preserved mollusk fauna. The systematics of nine bivalve species previously reported from these deposits can now be reevaluated using newly collected fossils. The fossils include a Cenomanian specimen of Nucinella gigantea with a drill hole possibly made by a naticid, by far the oldest record of a drill hole from a cold seep site. In Japan, Cretaceous seep bivalve assemblages are characterized by (i) the unique occurrence of large specimens of Nucinella (Manzanellidae), (ii) the commonly present nuculid Acila (Truncacila), and (iii) a high diversity of lucinids, possibly as many as four distinct genera. Two new species described are the Albian Acharax mikasaensis(Solemyidae) and the Albian to Campanian Thyasira tanabei (Thyasiridae), of which the former had previously been misidentified as the oldest vesicomyid, the latter as the oldest Conchocele.
    Źródło:
    Acta Palaeontologica Polonica; 2008, 53, 3
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Inoceramid stratigraphy and depositional architecture of the Campanian and Maastrichtian of the Miechów Synclinorium (southern Poland)
    Autorzy:
    Jurkowska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/138665.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Upper Cretaceous
    Miechów Synclinorium
    inoceramid bivalves
    biostratigraphy
    inversion of the Danish-Polish Trough
    górna kreda
    Miechów
    małże
    biostratygrafia
    bruzda duńsko-polska
    Opis:
    Dynamic evolution of the Campanian and Maastrichtian (Upper Cretaceous) of the Miechów Synclinorium is presented. Through chronostratigraphic analysis, the geometry of the Campanian and Maastrichtian of the area is interpreted, while microfacies analysis allowed determination of some of the paleoenvironmental parameters (rate of sedimentation, bottom condition and terrigenous input). The chronostratigraphy is based on inoceramid biostratigraphy. Nine inoceramid zones are recognized: Sphenoceramus patootensiformis, Sphaeroceramus sarumensis-Cataceramus dariensis and ‘Inoceramus’ azerbaydjanensis-‘Inoceramus’ vorhelmensis, ‘Inoceramus’ tenuilineatus, Sphaeroceramus pertenuiformis, ‘Inoceramus’ inkermanensis and ‘Inoceramus’ costaecus-‘Inoceramus’ redbirdensis (Campanian); Endocostea typica and Trochoceramus radiosus (Maastrichtian). Five unconformities (isochronous in the study area) represented by horizons of slower sedimentation rate, were recognized. They correlate with eustatic sea-level changes, well recorded in European successions (Jarvis et al. 2002, 2006; Niebuhr et al. 2011). Unconformity horizons allow six alloformations to be distinguished. The thickness of particular chronostratigraphic units within the Campanian and Lower Maastrichtian increases progressively toward the axis of the Danish-Polish Trough, which indicates that the inversion of the trough could not have started before the Late Maastrichtian.
    Źródło:
    Acta Geologica Polonica; 2016, 66, 1; 59-84
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative oxygen and carbon isotopic records of Miocene and recent lacustrine unionid bivalves from Poland
    Autorzy:
    Błażejowski, B.
    Racki, G.
    Gieszcz, P.
    Małkowski, K.
    Kin, A.
    Krzywiecka, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060015.pdf
    Data publikacji:
    2013
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    sclerochronology
    stable isotopes
    fresh water
    Miocene and recent Unionidae
    Bełchatów
    Gil Wielki Lake.
    Opis:
    The δ13C and δ18O isotope data from both fossil (Miocene) and modern freshwater bivalve shells of family Unionidae from Poland (species Margaritifera flabellatiformis and Unio tumidus, respectively) show a similar, truncated sinusoidal pattern.. The isotopic profiles of the whole shell are visibly marked by three growth stages, linked with a progressive loss of environmental record because of declining intra-annual biocarbonate accretion rate. The juvenile and gerontic phases exhibit generally more positive and stable (plateau) isotopic pattern than the mid-age stage. An increasing δ13C trend is typical for the final life stage, likely influenced by nutrient overloading, reversing the tendency towards δ13C depletion throughout the individual’s life induced by metabolic processes. Due to the progressive loss of environmental signals through ontogeny, these initial and final isotopic profile segments probably correspond to, respectively, an instant signature of the first season growth, and a multiyear value set of summer maxima during geriatric stage. Vague seasonal cyclic record is the striking feature of the mid-age δ18O and δ13C profile slices. In case of low-amplitude δ18O curve, this is probably promoted by a sensitivity of the lake ecosystem to many dynamic intra-annual factors affecting water budget balance. This consistent signature mode seems to be typical for lake-dwelling unionid shells at least since Miocene from different climatic zones, as confirmed by coeval lacustrine low-latitude mussels from Amazonia. Thus, this isotope record is relevant to obtain information on the habitat and life cycle of the fossil freshwater bivalves, as well as could help understand modern environmental change.
    Źródło:
    Geological Quarterly; 2013, 57, 1; 113--122
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Encrustation of inarticulate brachiopods on scaphitid ammonites and inoceramid bivalves from the Upper Cretaceous U. S. Western Interior
    Autorzy:
    Landman, N. H.
    Slattery, J. S.
    Harries, P. J.
    Powiązania:
    https://bibliotekanauki.pl/articles/138917.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    inarticulate brachiopods
    Pierre Shale
    Maastrichtian
    inoceramids
    ammonites
    encrustation
    ramienionogi
    mastrycht
    inoceramy
    amonity
    nawarstwianie
    Opis:
    The inarticulate brachiopod Discinisca is a rare faunal element in the Upper Cretaceous of the U.S. Western Interior. We report two occurrences of encrustation of Discinisca on a scaphitid ammonite (scaphite) and several inoceramids from the lower Maastrichtian Baculites baculus/Endocostea typica Biozones of the Pierre Shale at two localities. Six specimens of Discinisca are present on a single specimen of Hoploscaphites crassus from eastcentral Montana. They occur along the furrow at the mature apertural margin. Because the brachiopods are restricted to the margin and do not occur on the rest of the shell, it is likely that they encrusted the ammonite during its lifetime. If so, this implies that the soft body of the scaphite did not cover the outside surface of the aperture, leaving this area vulnerable to epizoan attachment. A total of 13 specimens of Discinisca are also present on four specimens of Cataceramus? barabini from east-central Wyoming. The brachiopods occur in crevices on the outside of the shells and may have encrusted the inoceramids after their death as the shells began to break down and delaminate, resulting from the decomposition of the organic matrix holding them together. Based on the faunal assemblages at both localities, the presence of Discinisca may indicate environments with either low oxygen levels and/or few predators or competitors.
    Źródło:
    Acta Geologica Polonica; 2016, 66, 4; 645-662
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stratigraphic evidence of a Late Maeotian (Late Miocene) punctuated transgression in the Tanais Palaeobay (northern part of the Eastern Paratethys, South-West Russia)
    Autorzy:
    Ruban, Dmitry A.
    Powiązania:
    https://bibliotekanauki.pl/articles/94470.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    Late Miocene
    Late Maeotian
    Eastern Paratethys
    transgression
    bivalves
    późny miocen
    późny Maeotian
    transgresja
    małże
    Opis:
    The Tanais Palaeobay was located in the northern periphery of the eastern Paratethys Sea during the Late Miocene. New data from the Safianovo section (Rostov Dome, South-West of Russia) confirm that skeletal limestones (coquinites) of the Merzhanovskaja Formation belong to the Congeria (Andrusoviconcha) amygdaloides navicula Zone of the upper Upper Maeotian (the Maeotian is a regional chronostratigraphic unit of the Upper Miocene). Correlation of reference sections of these Upper Maeotian deposits within the Rostov Dome results in pattern of the palaeobay transgression, which was punctuated. The relative importance of local and global controls on this trangsression is not yet clear.
    Źródło:
    Geologos; 2010, 16, 3; 169-181
    1426-8981
    2080-6574
    Pojawia się w:
    Geologos
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Upper Albian, Cenomanian and Lower Turonian stratigraphy, ammonite and inoceramid bivalve faunas from the Cauvery Basin, Tamil Nadu, South India
    Autorzy:
    Gale, Andrews S.
    Kennedy, William J.
    Walaszczyk, Ireneusz
    Powiązania:
    https://bibliotekanauki.pl/articles/139419.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Cretaceous
    Ammonites
    inoceramid bivalves
    sequence stratigraphy
    South India
    kreda
    amonity
    małże inoceramidowe
    stratygrafia sekwencyjna
    Indie Południowe
    Opis:
    The lithostratigraphy, biostratigraphy, sequence stratigraphy, ammonite and inoceramid faunas of the Upper Albian, Cenomanian, and Lower Turonian Karai Formation, the highest unit of the Uttatur Group in the Pondicherry Sub-Basin of the Cauvery Basin in Tamil Nadu, south India, are documented. Detailed logs and descriptions of sections between Karai and Kulakkalnattam, Odiyam and Kunnam, and north-west of Garudamangalam are presented. They provide the evidence for an ammonite zonal scheme that can be correlated in detail with sequences developed in Europe, with successive Upper Albian zones of Pervinquieria (Subschloenbachia) rostrata and P. (S.) perinflata (the latter on slight evidence), Cenomanian zones of Mantelliceras mantelli, Cunningtoniceras cunningtoni, Calycoceras (Newboldiceras) asiaticum, Pseudo calycoceras harpax, Euomphaloceras septemseriatum and Pseudspidoceras footeanum. The Lower Turonian is represented by a Neoptychites cephalotus–Mytiloides borkari fauna. Over 120 ammonite species are described, of which Puzosia (Bhimaites) falx, Protacanthoceras parva, Watinoceras elegans, Euomphaloceras varicostatum, Kamerunoceras multinodosum, and Carthaginites multituberculatus are new. The new genus Kunnamiceras, with Ammonites tropicus Kossmat, 1865 as type species, is interpreted as a paedomorphic dwarf derivative of Pseudocalycoceras harpax (Stoliczka, 1864). Ammonite faunas from shales are dominated by feebly-ornamented taxa: leiostraca; those from sandstones by strongly ornamented taxa: trachyostraca, differences interpreted as reflecting the preferred habits of adults in life. 15 species of inoceramid bivalves, including a newly described species Inoceramus chiplonkari, are recognised, with a mixed East African–Euramerican–North Pacific affinity. On the basis of the stratigraphic framework developed, a sequence stratigraphic interpretation of the Karai Formation is proposed, and correlated with those recognised in Europe, Morocco, and the United States Gulf Coast and Western Interior.
    Źródło:
    Acta Geologica Polonica; 2019, 69, 2; 161-338
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution of common bivalves in the Polish coastal zone of the Baltic Sea
    Rozmieszczenie pospolitych małży w polskiej strefie przybrzeżnej Bałtyku
    Autorzy:
    Piesik, Z.
    Obolewski, K.
    Strzelczak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/85235.pdf
    Data publikacji:
    2009
    Wydawca:
    Akademia Pomorska w Słupsku
    Tematy:
    distribution
    common bivalve
    bivalve
    Polish coastal zone
    Baltic Sea
    coastal zone
    density
    Macoma balthica
    Mytilus edulis
    Cerastoderma glaucum
    Opis:
    The populations of common Baltic bivalves Macoma balthica, Mytilus edulis and Cerastoderma glaucum were studied in the Polish coast (up to 4 Nm), both in estuary and open coastal zones of the Middle Pomerania as well as in the Puck Bay and the Gulf of Gdańsk (up to 2 Nm). The following parameters were investigated: density of the bivalves and environmental conditions (distance from the shore, substrate type, coast type, depth). Relationships between environmental conditions and abundance of the consecutive bivalve species were analysed with the help of ordination method (redundancy analysis RDA) and multivariate regression trees (MRT). RDA analysis indicated that C. glaucum density depended mainly on the localisation along the coast while M. edulis occurrence was governed by the distance from the shore and depth. Only density of M. balthica depended evenly on all the environmental parameters. MRT analysis revealed that the main factors influencing the distribution of bivalves were sediment granularity and depth.
    Badano populację pospolitych bałtyckich małży Macoma balthica, Mytilus edulis i Cerastoderma glaucum w polskiej strefie przybrzeżnej (do 4 Nm) w strefach estuariowych i otwartego wybrzeża Pomorza Środkowego oraz strefie Zatoki Puckiej i Gdańskiej (do 2 Nm). Określono zagęszczenie badanych gatunków w wodach przybrzeżnych, w tym w rejonach ujść rzek Wieprzy, Słupi, Łupawy i Łeby oraz na obszarze Zatoki Puckiej i Gdańskiej, a także warunki środowiskowe (odległość od brzegu, typ podłoża, typ wybrzeża, głębokość). Z wykorzystaniem metod ordynacyjnych (RDA) oraz drzew regresyjnych (MRT) ustalono znaczenie poszczególnych parametrów środowiskowych dla każdego z gatunków małży. Według RDA zagęszczenie C. glaucum związane jest głownie z miejscem wybrzeża, natomiast M. edulis z odległością od brzegu i głębokością. Jedynie zagęszczenie M. balthica było równocześnie uzależnione od wszystkich parametrów. Drzewo regresyjne (MRT) wytypowało główny czynnik, jakim była w pierwszej kolejności ziarnistość osadów, a następnie głębokość.
    Źródło:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2009, 13 part II
    1643-0115
    Pojawia się w:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Próba oceny przydatności małży z gatunku Unio tumidus do monitorowania obecności związków żelaza w wodzie
    Attempt at assessment of Unio tumidus bivalve mollusks suitability for monitoring water iron content
    Autorzy:
    Chmist, J.
    Szoszkiewicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/237187.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Zrzeszenie Inżynierów i Techników Sanitarnych
    Tematy:
    water surveillance system
    bioindication
    iron
    bivalves
    Unio tumidus
    monitoring jakości wód
    bioindykacja
    żelazo
    małże
    Opis:
    Monitoring of changes in behavioral response of bivalve mollusks can provide a wealth of information on quality of water that could be used in a surveillance system. The aim of this research was to evaluate suitability of Unio tumidus bivalve mollusks as bioindicators of water quality in a surveillance system. The experiment involved a 72-hour observation of the mollusks behavior in tap water containing about 0.04 mgFe/dm3 (almost no iron ions), 0.2 mgFe/dm3 (limit value for drinking water) and 1.7 mgFe/dm3 (average iron ion content for the deep sea). Three behavioral variables considered were: time of activity (time period of water filtering activity), average shell opening degree and its frequency. It was determined that presence of iron ions exceeding the threshold value reduced daily activity time by 5 hours, while the shell opening degree – by over 20%. Variations in frequency of the shell movements were not observed, which might indicate no iron ion impact on the nervous system of the individuals tested. Similarly, lethal states were not demonstrated, even at the relatively high iron concentrations in water. Results of the research conducted demonstrate that the bivalves Unio tumidus may be employed in tap water surveillance system for detection of water contamination with iron compounds.
    Obserwacja zmian zachowań małży może dostarczyć wielu informacji dotyczących jakości wody, które można wykorzystać w systemie monitoringu. W pracy podjęto próbę oceny możliwości zastosowania małży z gatunku Unio tumidus w monitoringu wody przeznaczonej do spożycia w celu detekcji nadmiernej ilości związków żelaza. Eksperyment polegał na 72-godzinnej obserwacji zachowania małży w wodzie wodociągowej o zawartości jonów żelaza około 0,04 mgFe/dm3 (praktyczny brak jonów żelaza w wodzie) oraz 0,2 mgFe/dm3 (wartość dopuszczalna w wodzie przeznaczonej do spożycia) i 1,7 mgFe/dm3 (średnia zawartość jonów żelaza w wodach głębinowych). Ocenie poddano trzy elementy zachowania małży – czas ich aktywności (czas, w którym małże filtrowały wodę) oraz częstość i średni stopień otwarcia muszli. Stwierdzono, że obecność jonów żelaza w wodzie w ilości przekraczającej wartość dopuszczalną skróciła łączny czas aktywności małż w ciągu doby o 5 godzin i zmniejszyła stopień otwarcia muszli o ponad 20%. Nie zaobserwowano zróżnicowania częstości zmian otwarcia muszli małży, co świadczy o braku oddziaływania jonów żelaza na układ nerwowy badanych osobników. Stwierdzono także brak stanów letalnych u małży, nawet przy stosunkowo dużej ilości żelaza w wodzie. Przeprowadzone badania wykazały, że małże z gatunku Unio tumidus można wykorzystywać w monitoringu wody wodociągowej do detekcji jej zanieczyszczenia związkami żelaza.
    Źródło:
    Ochrona Środowiska; 2017, 39, 2; 39-43
    1230-6169
    Pojawia się w:
    Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bioaccumulation of microcystins in invasive bivalves: A case study from the boreal lagoon ecosystem
    Autorzy:
    Paldaviciene, A.
    Zaiko, A.
    Mazur-Marzec, H.
    Razinkovas-Baziukas, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/47622.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    microcystin
    mussel tissue
    zebra mussel
    bioaccumulation
    bivalve
    Dreissena polymorpha
    brackish water
    eutrophic water
    Curonian Lagoon
    Baltic Sea
    environment condition
    biomonitoring
    protein phosphatase
    ELISA test
    Źródło:
    Oceanologia; 2015, 57, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Inoceramid and foraminiferal record and biozonation of the Turonian and Coniacian (Upper Cretaceous) of the Mangyshlak Mts., western Kazakhstan
    Autorzy:
    Walaszczyk, I.
    Kopaevich, L. F.
    Beniamovski, V. N.
    Powiązania:
    https://bibliotekanauki.pl/articles/138812.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Cretaceous
    Turonian
    Coniacian
    Mangyshlak
    biostratigraphy
    Inoceramid bivalves
    Foraminifers
    correlation
    North European biogeographic Province
    kreda
    turon
    koniak
    Mangystau
    biostratygrafia
    małże
    otwornice
    korelacja
    Europa Północna
    prowincja
    biogeografia
    Opis:
    The Turonian and Coniacian (Upper Cretaceous) of the Mangyshlak Mts., western Kazakhstan, yielded a rich and relatively complete inoceramid bivalve record. The faunas and their succession correspond to those known from central and eastern Europe, allowing the zonation established in the latter areas to be applied in a virtually identical form. The gaps in the record of the group in Mangyshlak stem from the regional hiatuses in the geological record in the area and do not reflect any biogeographical differences between eastern and central-western Europe. Planktonic foraminifera are rare. Four successive interval range zones can be distinguished: in ascending stratigraphic order, the Helvetoglobotrunaca helvetica, Marginotruncaca pseudolinneiana, Marginotruncana coronata, and Concavotruncana concavata zones. Their correlation with the inoceramid zonation and, consequently, with the chronostratigraphic scheme, is demonstrated. The zonation and chronostratigraphic subdivision as applied in Mangyshlak may easily be applied to other areas of the peri-Caspian region (Caucasus, Tuarkyr, Kopet-Dagh, SE margin of the East-European Craton).
    Źródło:
    Acta Geologica Polonica; 2013, 63, 4; 469-487
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fauna z osadów plejstoceńskich w stanowiskach Sucha Wieś (Pojezierze Ełckie) i Czarnucha (Równina Augustowska), północno-wschodnia Polska
    Pleistocene fauna in the Sucha Wieś (Ełk Lakeland) and Czarnucha (Augustów Plain) sections, northeastern Poland
    Autorzy:
    Skompski, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063329.pdf
    Data publikacji:
    2009
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    ślimaki
    małże
    małżoraczki
    paleoekologia
    interglacjał
    Pojezierze Ełckie
    Równina Augustowska
    gastropods
    bivalves
    ostracods
    palaeoecology
    interglacial period
    Ełk Lakeland
    Augustów Plain
    Opis:
    Do badań faunistycznych wykorzystano próbki osadów pobranych z otworu wiertniczego Sucha Wieś (Pojezierze Ełckie) z głębokości 153,60-178,00 m oraz z otworu wiertniczego Czarnucha (Równina Augustowska) z głębokości 96,05-118,85 m. Z badanej serii osadów jeziorno-bagiennych opisano szczątki różnych grup zwierząt: ślimaków (Gastropoda), małży (Bivalvia), małżoraczków (Ostrazoda), ryb (Pisces), chrząszczy (Coleoptera) i innych. Do określenia wieku osadów, szczególnie przydatne okazały się mięczaki (ślimaki i małże) oraz małżoraczki. Na podstawie obecności ślimaka Lithoglyphus jahni oraz małżoraczka Scottia browniana uznano, że osady nie mogą być młodsze od interglacjału mazowieckiego.
    Samples collected from the Sucha Wieś borehole (Ełk Lakeland) from a depth interval of 153.60-178.00 and from the Czarnucha borehole (Augustów Plain) from a depth interval of 96.05-118.85 m were analysed for faunal content. The lacustrine-marsh deposits contain fragments of various animals including gastropods, bivalves, ostracods, fish, Coleoptera and others. Especially important for age determinations are moluscs (gastropods and bivalves) and ostracods. The presence of Lithoglyphus jahni (gastropod) and Scottia browniana (ostracod) indicates that the deposits cannot be younger than the Mazovian Interglacial.
    Źródło:
    Biuletyn Państwowego Instytutu Geologicznego; 2009, 435; 85--95
    0867-6143
    Pojawia się w:
    Biuletyn Państwowego Instytutu Geologicznego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new genus of chemosymbiotic vesicomyid bivalves from the Oligocene of western North America
    Autorzy:
    Hybertsen, F.
    Goedert, J.L.
    Kiel, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/31341392.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    new genus
    bivalve
    Bivalvia
    Vesicomyidae
    Oligocene
    North America
    cold-seep deposit
    deep-water formation
    Źródło:
    Acta Palaeontologica Polonica; 2022, 67, 3; 703-709
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Paleogeografia południowo-wschodniej Azji i jej związek z rozmieszczeniem wczesnojurajskich budowli małżowych (z grupy Lithiotis) na tle wielkiego wymierania trias/jura
    Palaeogeography of south-east Asia and its connection with distribution of Early Jurassic Lithiotis-type bivalve buildups according to Triassic/Jurassic mass extinction event
    Autorzy:
    Krobicki, M.
    Golonka, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/183964.pdf
    Data publikacji:
    2009
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    Pangea
    małże z grupy Lithiotis
    korytarz hiszpański
    wczesna jura
    paleobiogeografia
    Lithiotis-type bivalves
    Hispanic Corridor
    Early Jurassic
    palaeobiogeography
    Opis:
    The separation of Laurasia and Gondwana, which was initiated by the Triassic break-up of Pangea, continued during Early-Middle Jurassic times. The origin of the narrow sea strait. so-called "Hispanic Corridor", took place between these two continents and connection of the Panthalassa Ocean (Proto-Pacific) and western (Alpine) Tethys gradually started in Early Jurassic, most probably in Sinemurian-Pliensbachian times. Recovery of marine fauna after Triassic/Jurassic mass extinction event was mainly marked by world-wide distribution of Lithiotis-type bivalve buildups. They indicate mainly shallow-marine/lagoon-type carbonate sedimentation and palaeogeographic/geodynamic regimes during break-up of Pangea in Pliensbachian-Early Toarcian times.
    Źródło:
    Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie; 2009, 35, 3/1; 79-90
    0138-0974
    Pojawia się w:
    Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Małże z osadów środkowego miocenu zapadliska przedkarpackiego: otwory wiertnicze Busko (Młyny) PIG-1 I Kazimierza Wielka (Donosy) PIG-1 – stratygrafia i taksonomia
    Middle Miocene bivalves from the Carpathian Foredeep basin: the Busko (Młyny) PIG-1 and Kazimierza Wielka (Donosy) PIG-1 boreholes – stratigraphy and taxonomy
    Autorzy:
    Studencka, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061977.pdf
    Data publikacji:
    2015
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    stratygrafia
    taksonomia
    małże
    przegrzebki
    granica baden-sarmat
    formacja z Machowa
    Paratetyda
    zapadlisko przedkarpackie
    stratigraphy
    taxonomy
    Bivalvia
    scallops
    Badenian-Sarmatian boundary
    Machów Formation
    Polish Carpathian Foredeep Basin
    Opis:
    Do badań faunistycznych wykorzystano próbki utworów pobrane z rdzeni z otworów wiertniczych wykonanych w 2010 r. w zachodniej części zapadliska przedkarpackiego. W tej części zapadliska, gdzie miąższość osadów zalegających powyżej utworów gipsowych nie przekracza 200 m, przeważają osady drobnoziarniste, mułowce i iłowce należące do formacji z Machowa. Przeanalizowano 56 próbek: 32 próbki z rdzenia z otworu Busko (Młyny) PIG-1 o długości 200 m oraz 24 próbki z rdzenia z otworu Kazimierza Wielka (Donosy) PIG-1 o długości 191 m. Zidentyfikowano 12 gatunków małżów: Nucula (Nucula) nucleus (Linnaeus, 1758), Lentipecten corneus denudatus (Reuss, 1867), Delectopecten vitreus (Gmelin, 1791), Inaequicostata cf. politioanei (Jekelius, 1944), Obsoletiforma vindobonensis (Laskarew, 1903), Plicatiforma pseudoplicata (Friedberg, 1934), Ervilia podolica (Eichwald, 1830), Ervilia trigonula Sokolov, 1899, Abra (Syndosmya) reflexa (Eichwald, 1830), Macoma (Psammacoma) elliptica (Brocchi, 1814), Corbula (Varicorbula) cf. gibba (Olivi, 1792) i Cuspidaria rostrata (Spengler, 1793). W artykule podano zasięgi stratygraficzne znalezionych gatunków i opisy rzadkich bądź ważnych stratygraficznie gatunków. Wyznaczona na podstawie zespołów małżowych granica baden/ sarmat przebiega w utworach z głębokości 109,10–127,70 m w otworze wiertniczym Busko (Młyny) PIG-1 i 150,80–162,80 m w otworze wiertniczym Kazimierza Wielka (Donosy) PIG-1. Gatunkiem umożliwiającym datowanie spągowej części formacji z Machowa na późny baden jest przegrzebek Delectopecten vitreus (Gmelin, 1791), podczas gdy znaleziska Abra (Syndosmya) reflexa (Eichwald, 1830) pozwalają określić wiek stropowej części tej formacji na wczesny sarmat.
    The study is based on the fossil material derived from cores drilled in 2010 in the western part of the Carpathian Foredeep Basin. The deposits overlying the gypsum level, represented mainly by mudstones and clays of the Machów Fm., are less than 200 m thick in this part of the Carpathian Foredeep. In total, 56 samples were investigated: 32 samples from the Busko (Młyny) PIG-1 drilling core 200 m long; and 24 samples from the Kazimierza Wielka (Donosy) PIG-1 drilling core, 191 m long. Twelve bivalve species have been identified, namely: Nucula (Nucula) nucleus (Linnaeus, 1758), Lentipecten corneus denudatus (Reuss, 1867), Delectopecten vitreus (Gmelin, 1791), Inaequicostata cf. politioanei (Jekelius, 1944), Obsoletiforma vindobonensis (Laskarew, 1903), Plicatiforma pseudoplicata (Friedberg, 1934), Ervilia podolica (Eichwald, 1830), Ervilia trigonula Sokolov, 1899, Abra (Syndosmya) reflexa (Eichwald, 1830), Macoma (Psammacoma) elliptica (Brocchi, 1814), Corbula (Varicorbula) cf. gibba (Olivi, 1792) and Cuspidaria rostrata (Spengler, 1793). Stratigraphic ranges of bivalve species as well as descriptions of rare or stratigraphically important species have been presented. The bivalves define the Badenian/ Sarmatian boundary within the depth range 109.10–127.70 m in the Busko (Młyny) PIG-1 borehole, and within the depth range 150.80–162.80 m in the Kazimierza Wielka (Donosy) PIG-1 borehole. Specifically, the scallop Delectopecten vitreus (Gmelin, 1791) defines the base of the Machów Fm. as the Late Badenian, while the species Abra (Syndosmya) reflexa (Eichwald, 1830) enables to specify the age of the uppermost part of the Machów Fm. as the Early Sarmatian.
    Źródło:
    Biuletyn Państwowego Instytutu Geologicznego; 2015, 461; 95--113
    0867-6143
    Pojawia się w:
    Biuletyn Państwowego Instytutu Geologicznego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Możliwość rozróżnienia małży i ślimaków słodkowodnych na podstawie koncentracji metali ciężkich w tkankach miękkich i muszlach
    A possibility of making a distinction between freshwater bivalves and snails on the basis of concentration of heavy metals in soft tissues and shells
    Autorzy:
    Piotrowski, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075610.pdf
    Data publikacji:
    2017
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Ujście rzeki Odry
    jeziora Pomorza Zachodniego
    Polska
    mięczaki słodkowodne
    tkanki miękkie
    muszle
    woda
    osad denny
    metale ciężkie
    Odra river estuary
    lakes of Western Pomerania
    Polska
    freshwater molluscs
    soft tissues
    shells
    water
    bottom sediment
    heavy metals
    Opis:
    The study involved 17 species of freshwater molluscs. The concentration of heavy metals (Cu, Zn, Pb, Co, Cd andHg) in soft tissues was determinedfor 14 species, while the concentration of heavy metals in shells was determinedfor 16 species. Totally, 110 samples of soft tissue and 119 samples of shells were analysed. The statistical analysis of the qualitative data concerning concentration of metals in shells indicated a clear distinction between snails and bivalves. The only exception is Unio crassus, which was assigned to a three-point cluster together with snails. With respect to snails, this may be because the analysis was performed only on one sample. The results of this study can be significant both for palaeontological research and palaeoenvironmental research. If we have a few shell fragments available, it can be generally concluded, based on geochemical analysis of heavy metals in shells, which shell fragments belong to bivalves and which to snails. It is also possible to assess geochemical conditions of ancient ecosystems. Obviously, the given results are preliminary and they suggest necessity of further research.
    Źródło:
    Przegląd Geologiczny; 2017, 65, 6; 400--404
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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