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    Wyświetlanie 1-6 z 6
    Tytuł:
    Gastropod succession across the Early-Middle Frasnian transition in the Holy Cross Mountains, southern Poland
    Autorzy:
    Krawczynski, W
    Powiązania:
    https://bibliotekanauki.pl/articles/21568.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    gastropod succession
    Early-Middle Frasnian
    Frasnian
    transition
    Holy Cross Mountains
    Southern Poland
    Polska
    Gastropoda
    Eotomariidae
    Elasmonematidae
    bioevent
    Devonian
    Opis:
    Gastropod response to a marked carbon isotopic geochemical anomaly across the Early–Middle Frasnian transition (Palmatolepis transitans–Palmatolepis punctata conodont zones) has been analysed along the southern Laurussian shelf, mainly within the Dyminy Reef in the Holy Cross Mountains. Gastropods are represented by three reefal associations (Kowalatrochus sanctacrucensis, Euryzone kielcensis, and Grabinopsis guerichi associations), and an impoverished open−shelf Straparollus laevis assemblage. The most severe diversity crisis is connected to the disappearance of local low−energy muddy habitats, as a result of a transgressive pulse (Middlesex Event) and benthic habitat changes tied to strongly fluctuating carbon cycling; this has been observed at the highly diverse Kadzielnia−type assemblage. Fifteen taxa have been recognised in this distinctive Early Frasnian mud−mound association, including six (probably endemics), which are unknown from the Middle Frasnian. The disappearance of three relict Givetian species (Euryzone delphinuloides, Straparollus laevis, and Goniasma? zarecznyi) is also recorded. Other species probably migrated into the shallower water part of Dyminy Reef and persisted in the Middle and Late Frasnian. The Middlesex Event and the earlier major biogeochemical perturbation seem to have less serious effects for evolution of gastropods in the Polish−Moravian part of the Laurussia shelf than the catastrophic Frasnian–Famennian extinction. Two new taxa are described: Frydiella kaimi gen. et sp. nov. (Eotomariidae) and Heidelbergeria czarnieckii gen. et sp. nov. (Elasmonematidae).
    Źródło:
    Acta Palaeontologica Polonica; 2006, 51, 4; 679-693
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Frasnian gastropod synecology and bio-events in the Dyminy reef complex of the Holy Cross Mountains, Poland
    Autorzy:
    Krawczynski, W
    Powiązania:
    https://bibliotekanauki.pl/articles/22081.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Gastropoda
    gastropod
    Polska
    Devonian
    Kowala Formation
    extinction
    paleoecology
    Holy Cross Mountains
    synecology
    taxonomy
    Opis:
    Late Frasnian–Early Famennian entomozoacean ostracod assemblages from the Płucki section in the Holy Cross Mountains were studied to establish the effect of the “Kellwasser bio−event” on the planktonic biodiversity and faunal content. The composition of ostracod assemblages changes from a moderately diverse (10 species) Entomoprimitia–Richterina– Nehdentomis–Nandania dominated “background” assemblage characterising a pre−event interval, to an Entomoprimitia−assemblage during the event interval, and finally to a Franklinella−dominated post−event assemblage in the Middle Palmatolepis triangularis conodont Zone. The Frasnian–Famennian extinction caused substantial losses among entomozoacean lineages. In the Płucki section it occurred in two closely spaced steps within the Palmatolepis linguiformis conodont Zone. The first step, at the base of the dark cephalopod limestone (Upper Kellwasser Horizon), reduced the abundance and the species diversity of entomozoaceans to only two Entomoprimitia species. The vacant niche was then filled by the new, immigrant species Entomoprimitia (Entomoprimitia) kayseri which is dominant in the Upper Kellwasser interval. All these species were lost at the second step within the Upper Kellwasser Horizon. The entomozoaceans remained virtually absent during a long time interval between the end−Frasnian crisis and the Middle Pa. triangularis Zone. They reappear as new species from refugia lineages (Franklinella, Nehdentomis) and became widespread, indicating favourable ecological conditions. Some 13 species have been identified and assigned to seven genera. Rabienella? lagowiensis sp. nov. is proposed.
    Źródło:
    Acta Palaeontologica Polonica; 2002, 47, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Colour pattern of Naticopsis planispira (Neritimorpha, Gastropoda) shell from Upper Carboniferous of Upper Silesian Coal Basin, southern Poland
    Autorzy:
    Krawczyński, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/191753.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    Gastropoda
    Neritimorpha
    colour pattern
    Carboniferous
    Polska
    Opis:
    A zigzag colour pattern with additional collabral belts and irregular spots was observed on a shell of Naticopsis (N.) planispira (Phillips, 1836) found in the Gołonóg Sandstone marine faunal horizon (Namurian A, the Upper Silesian Coal Basin, Poland). A disruption in the colour pattern was also observed to have occurred during ontogenetic shell growth. In this specimen, it appeared in the healed shell damage on the outer lip. So far, only nine Carboniferous species of Naticopsis have been reported with the colour pattern preserved. The most common are the zigzag-type and the spiral band-type. Individual taxa clearly differ in the morphology of the chevrons (direction and angles of breaks) and the location and width of the spiral bands on a whorl. However, the color patterns may not be diagnostic features for the Naticopsis species, because of the large intraspecific variation and colour pattern polymorphism on the neritimorph shells. Colour patterns on Palaeozoic neritimorph shells most likely served as camouflage with respect to the bottom surface in the photic zone.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2013, 83, 2; 87--97
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Westphalian xiphosurans [ Chelicerata ] from the Upper Silesia Coal Basin of Sosnowiec, Poland
    Mieczogony [ Chelicerata; Xiphosura ] z westfalu B Gornoslaskiego Zaglebia Weglowego
    Autorzy:
    Filipiak, P
    Krawczynski, W
    Powiązania:
    https://bibliotekanauki.pl/articles/20644.pdf
    Data publikacji:
    1996
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    fauna kopalna
    Bellinurus lunatus
    skamienialosci
    Euproops rotundatus
    Polska
    mieczogony
    Gornoslaskie Zaglebie Weglowe
    paleontologia
    Opis:
    The xiphosurans Bellinurus lunatus (Martin, 1809) and Euproops rotundatus (Prestwich, 1840) are described from sideritic concretions hosted by the Orzesze Beds (Westphalian B) in. the Polish region of the Upper Silesia Coal Basin. Associated flora and fauna include terrestrial plant remains and a single palaeodictyopteran insect nymph. As no marine influences are known in this area since the Namurian A, these xiphosurans were probably fresh-water organisms.
    W polskiej części Górnośląskiego Zagłębia Węglowego, na hałdach Kopalni Węgla Kamiennego "Porąbka-Klimontów" w Sosnowcu, w konkrecjach sferosyderytowych warstw orzeskich (westfal B) znaleziono dwa gatunki mieczogonów: Bellinurus lunatus (Martin, 1809) i Euproops rotundatus (Prestwich, 1840). Oprócz mieczogonów w sferosyderytach występują szczątki roślin (Calamites sp., Sigillaria sp. oraz Lepidostrobus sp.) i nimfy owadów z grupy Palaeodictyoptera. Ponieważ ostatnie morskie ingresje na obszarze Górnośląskiego Zagłębia Węglowego datowane są na namur A, można wnioskować, że rozpatrywany zespół skamieniałości związany był ze środowiskiem słodkowodnym. Prawie kompletnie zachowane odciski pancerzy mieczogonów wskazują na spokojne środowisko sedymentacji w źle przewietrzanym basenie.
    Źródło:
    Acta Palaeontologica Polonica; 1996, 41, 4; 413-425
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Molluscs from the Early Frasnian goniatite level at Kostomloty in the Holy Cross Mountains, Poland
    Autorzy:
    Jagt-Yazykova, E
    Krawczynski, W.
    Rakocinski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/20723.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    mollusc
    Early Frasnian
    Frasnian
    goniatite level
    Kostomloty commune
    Holy Cross Mountains
    Polska
    Devonian
    Goniatitida
    Nautiloida
    Gastropoda
    Bivalvia
    paleoecology
    Acanthoclymenia
    Linguatornoceras
    Koenenites
    new species
    Palaeozygopleura pyritica
    bivalve
    Glyptohallicardia multicostata
    Opis:
    The unique goniatite−rich pyritic level, 1.6 m thick, exposed at Kostomłoty (Holy Cross Mountains, central Poland) represents a distinct, local biotic event in the Early Frasnian interval corresponding to the inception of a major geochemical (carbon cycling) perturbation in the stagnant deep−water and oxygen−deficient Kostomłoty basin. The taxonomic and palaeoecologic characteristics of molluscan fossil associations from the Goniatite Level are presented. Most of the goniatitids and orthoconic nautiloids from the studied fossil assemblages are juvenile conchs or protoconchs, or incomplete phragmocones and represent the genera Acanthoclymenia and Linguatornoceras, the former being predominant, and a single adult specimen probably of the genus Koenenites. In contrast, gastropods and bivalves are generally well preserved and identifiable to species level. Two new species are described: a gastropod Palaeozygopleura (Bohemozyga) pyritica sp. nov. and a bivalve Glyptohallicardia multicostata sp. nov. These studied molluscs and also amphiporoids are allochthonous elements which must have been transported into the deeper settings during sea−level rise and flooding of fringing reefs (Timan Event) and/or storm events, and there were mixed with pelagic cephalopods. Probably, a sea−level rise even led to flooding of nearby areas, and thus to introduction of pelagic material (juvenile cephalopods) into reefal settings, and then back to the deeper water again by the quasi−estuarine circulation of water masses.
    Źródło:
    Acta Palaeontologica Polonica; 2006, 51, 4; 707-718
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The pre-Taghanic (Givetian, Middle Devonian) ecosystems of Miłoszów (Holy Cross Mts, Poland)
    Autorzy:
    Halamski, Adam T.
    Baliński, Andrzej
    Racki, Grzegorz
    Amler, Michael R. W.
    Basse, Martin
    Denayer, Julien
    Dubicka, Zofia
    Filipiak, Paweł
    Kondas, Marcelina
    Krawczyński, Wojciech
    Mieszkowski, Radosław
    Narkiewicz, Katarzyna
    Olempska, Ewa
    Wrzołek, Tomasz
    Wyse Jacson, Patrick N.
    Zapalski, Mikołaj K.
    Zatoń, Michał
    Kozłowski, Wojciech
    Powiązania:
    https://bibliotekanauki.pl/articles/2171821.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    stratigraphy
    palaeoecology
    biota
    biodiversity
    mesophotic
    deeper shelf
    climate
    carbonate
    Opis:
    The middle and upper parts of the Skały Fm, Early to Middle Givetian in age, were investigated in four sections at Miłoszów Wood in the Łysogóry Region (northern region of the Holy Cross Mountains, central Poland). The dating is based on conodonts (Polygnathus timorensis Zone to the later part of the Polygnathus varcus/Polygnathus rhenanus Zone; early Polygnathus ansatus Zone cannot be excluded) and spores (Ex1–2 subzones) and, coupled with cartographic analysis and geophysical investigation, allows correlation within the strongly faulted succession. Significant lateral facies variations within the carbonate ramp depositional system in comparison with the better studied Grzegorzowice–Skały section, about 3 km distant, are documented, thanks to conodont-based correlation of both successions. Foraminifers, fungi, sponges, rugose and tabulate corals, medusozoans, microconchids and cornulitids, polychaetes (scolecodonts), molluscs (bivalves, rostroconchs, and gastropods), arthropods (trilobites and ostracods), bryozoans, hederelloids, ascodictyids, brachiopods, echinoderms (mostly crinoids, rare echinoids, holuthurians, and ophiocistoids), conodonts, fish, plants (prasinophytes, chlorophycophytes, and land plant spores), and acritarchs are present. Brachiopods are the most diverse phylum present (68 species), other richly represented groups are bryozoans and echinoderms; in contrast, cephalopods and trilobites are low in diversity and abundance. The muddy, middle to outer ramp biota (200 marine taxa, including 170 species of marine animals, 22 photoautotrophs, 6 forams) represents a mixture of allochthonous shallower-water communities (upper BA3), including storm- and possibly tsunami-affected coral mounds, and autochthonous deep-water soft-bottom brachiopod (e.g., Bifida–Echinocoelia) communities (BA 4–5). The richness and diversity of the Miłoszów biota is relatively high, comparable with other approximately coeval pre-Taghanic ecosystems during the Devonian climatic deterioration (cooling). Preliminary data indicate that in the Holy Cross Mountains, no large-scale replacement of brachiopod (and probably many other benthic ones, like crinoids) communities took place between the Early–Middle Givetian and the Early Frasnian, in contrast to the demise of the Hamilton/Upper Tully fauna in the Appalachian Basin. Such a similarity of pre- and post-Taghanic faunas does not exclude the occurrence of environmental perturbations and transient community turnovers, caused by immigrations during the Taghanic Biocrisis, but evidences the successful recovery of the indigenous biota.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2022, 92, 4; 323--379
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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