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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
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