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    Wyświetlanie 1-6 z 6
    Tytuł:
    Gastropods [Trochoidea: Trochidae Rafinesque, 1815 and Calliostomatidae Thiele, 1924 (1847)] from the middle Miocene of Ukraine, Central Paratethys
    Autorzy:
    Nosowska, Ewa
    Powiązania:
    https://bibliotekanauki.pl/articles/1835579.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Gastropoda
    taxonomy
    Badenian
    middle Miocene
    Ukraine
    Central Paratethys
    taksonomia
    baden
    środkowy miocen
    Ukraina
    Paratetyda Środkowa
    Opis:
    Over three thousand specimens representing the superfamily Trochoidea Rafinesque, 1815 [Trochidae Rafi-nesque, 1815 and Calliostomatidae Thiele, 1924 (1847)] from the upper Upper Badenian = Kosovian = lower Serra vallian (middle Miocene) marine deposits of Ukraine, housed in the collections of the Polish Academy of Sciences Museum of the Earth in Warsaw (MZ), are studied herein. The abundant material has allowed for investigations of the intraspecific variation and revision of earlier determinations. As a result, 21 species belong¬ing to 5 genera have been identified, described and illustrated, of which one is new [Clanculus (Clanculopsis) krachi sp. nov.] and one is left in open nomenclature. Granulifera O. Anistratenko, 2000 is considered a junior subjective synonym of Clanculopsis Monterosato, 1879; Granulifera pulla O. Anistratenko, 2000 is considered a junior subjective synonym of Monodonta tuberculata Eichwald, 1830; Gibbula sytovae Amitrov, 1961 is con¬sidered a junior subjective synonym of Trochus miocaenicus Mayer, 1853; Gibbula volhynica Friedberg, 1928 is considered a junior subjective synonym of Trochus novemcinctus von Buch, 1830; and Trochus buchii du Bois de Montpéreux, 1831 is suppressed in favour of the senior subjective synonym Trochus puschii Andrzejowski, 1830. The geographic distribution and stratigraphic ranges of the taxa are given. Six species are known only from the Polish-Ukrainian part of the Fore-Carpathian Basin. The protoconch features are systematically studied in the Trochidae and Calliostomatidae from this area for the first time.
    Źródło:
    Acta Geologica Polonica; 2020, 70, 4; 453-528
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Badenian (middle Miocene) decapod crustaceans from western Ukraine, with remarks on eco-taphonomy, palaeoecology and biogeography
    Autorzy:
    Górka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/138814.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    crustaceans
    decapods
    taxonomy
    paleoenvironment
    eco-taphonomy
    Badenian
    middle Miocene
    Ukraine
    skorupiaki
    dziesięcionogi
    taksonomia
    paleośrodowisko
    ekotafonomia
    baden
    środkowy miocen
    Ukraina
    Opis:
    The decapod fauna from the Badenian (middle Miocene) deposits of western Ukraine comprises in total 31 taxa: 20 species, 9 taxa left in open nomenclature, and 2 determined at family level. Thirteen of these taxa are reported for the first time from the territory of Ukraine. Among them are the first records of Trapezia glaessneri Müller, 1976 in the Fore-Carpathian Basin and Pachycheles sp. in Paratethys. One taxon (Petrolisthes sp. A) probably represents a new species. The occurrence of this significant decapod fauna is restricted almost exclusively to the Upper Badenian (i.e., early Serravallian) coralgal reefs of the Ternopil Beds. The taxonomic composition of the decapods indicates that the Late Badenian depositional environment was a shallow marine basin dominated by reefs that developed in warm-to-tropical waters of oceanic salinity. The decapod assemblage from the Ternopil Beds is similar in its taxonomic composition to numerous decapod faunules from fossil reefs of Eocene to Miocene age from the Mediterranean realm and of Miocene age from Paratethys. In contrast, decapod remains are very scarce in Badenian siliciclastic deposits (Mikolaiv Beds) and are represented by the most resistant skeletal elements, i.e., dactyli and fixed fingers. This scarcity was caused by the high-energy environment, with frequent episodes of redeposition, which disintegrated and abraded the decapod remains. The decapod fauna from the Badenian (middle Miocene) deposits of western Ukraine comprises in total 31 taxa: 20 species, 9 taxa left in open nomenclature, and 2 determined at family level. Thirteen of these taxa are reported for the first time from the territory of Ukraine. Among them are the first records of Trapezia glaessneri Müller, 1976 in the Fore-Carpathian Basin and Pachycheles sp. in Paratethys. One taxon (Petrolisthes sp. A) probably represents a new species. The occurrence of this significant decapod fauna is restricted almost exclusively to the Upper Badenian (i.e., early Serravallian) coralgal reefs of the Ternopil Beds. The taxonomic composition of the decapods indicates that the Late Badenian depositional environment was a shallow marine basin dominated by reefs that developed in warm-to-tropical waters of oceanic salinity. The decapod assemblage from the Ternopil Beds is similar in its taxonomic composition to numerous decapod faunules from fossil reefs of Eocene to Miocene age from the Mediterranean realm and of Miocene age from Paratethys. In contrast, decapod remains are very scarce in Badenian siliciclastic deposits (Mikolaiv Beds) and are represented by the most resistant skeletal elements, i.e., dactyli and fixed fingers. This scarcity was caused by the high-energy environment, with frequent episodes of redeposition, which disintegrated and abraded the decapod remains.
    Źródło:
    Acta Geologica Polonica; 2018, 68, 4; 511--535
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biostratygrafia utworów miocenu środkowego w otworze badawczym Trojanowice 2 na podstawie nanoplanktonu wapiennego
    Biostratigraphy of Middle Miocene deposits in the Trojanowice 2 borehole based on calcareous nannoplankton investigations
    Autorzy:
    Garecka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061885.pdf
    Data publikacji:
    2014
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    nanoplankton wapienny
    biostratygrafia
    baden
    miocen środkowy
    calcareous nannoplankton
    biostratigraphy
    Badenian
    Middle Miocene
    Opis:
    Celem opracowania jest rozpoziomowanie utworów miocenu środkowego w profilu Trojanowice 2 na podstawie zespołów nanoplanktonu wapiennego. W zespołach nanoplanktonu dominują gatunki długowieczne należące do Coccolithaceae i Prinsiaceae. Mniej licznie występują: Helicosphaeraceae, Sphenolithaceae i Discoasteraceae. Na podstawie oznaczonych w próbkach gatunków: Sphenolithus heteromorphus, S. abies, Helicosphaera walbersdorfensis, Discoaster exilis, Calcidiscus macintyrei, Cyclicargolithus floridanus, Reticulofenestra pseudoumbilica, Umbilicosphaera rotula oraz niewielkich rozmiarów form należących do rodzajów Reticulofenestra i Helicosphaera badane utwory odniesiono do poziomów kokolitowych NN5 i NN6 w standardowej zonacji Martiniego.
    The aim of the study was to establish the zonation of Middle Miocene sediments in the Trojanowice 2 borehole, based on calcareous nannoplankton investigations. Long-ranging families are dominant, representing Coccolithaceae (Coccolithus pelagicus) and Prinsiaceae (small reticulofenestrids, R. pseudoumbilica). Helicosphaeraceae (small helicosphaerids, H. kamptneri), Sphenolithaceae and Discoasteraceae, which are important for stratigraphic conclusions, occur less frequently. Based on the co-occurrence of Sphenolithus heteromorphus, S. abies, Helicosphaera walbersdorfensis, Discoaster exilis, Calcidiscus macintyrei, Cyclicargolithus floridanus, Reticulofenestra pseudoumbilica, Umbilicosphaera rotula and small forms belonging to the Reticulofenestra and Helicosphaera species, the sediments are included into NN5 and NN6 calcareous nannoplankton zones sensu Martini.
    Źródło:
    Biuletyn Państwowego Instytutu Geologicznego; 2014, 459; 33--43
    0867-6143
    Pojawia się w:
    Biuletyn Państwowego Instytutu Geologicznego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Miocene burrows of the Ghost Crab Ocypode and their environmental significance (Mykolaiv Sands, Fore-Carpathian Basin, Ukraine)
    Autorzy:
    Radwański, A.
    Wysocka, A.
    Górka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/138926.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    baden
    krab
    miocen środkowy
    nora
    Ocypode
    paleośrodowisk
    Paratetydy
    sedymentologia
    Ukraina
    Badenian
    burrows
    Ghost Crab Ocypode
    Middle Miocene
    palaeoenvironment
    Paratethys
    sedimentology
    Ukraine
    Opis:
    The huge lithosome of the Middle Miocene (Early Badenian) Mykolaiv Sands, developed at the external margin of the Fore-Carpathian Basin in western Ukraine, is recognized to represent a shallowing-up sequence. Special attention is paid to burrows of the Ghost Crab Ocypode which are pantropical in present-day littoral habitats. In the Stratyn section, burrows of this type become a crucial tool in the interpretation of basin bathymetry, which starts from distal offshore depths, through the foreshore, to the backshore where the Ocypode burrows record a temporary break in sedimentation. Lithification of the sand layers and the Ocypode burrows subsequently progressed in beachrock mode. The Stratyn section demonstrates that the development of submerged shoals and/or emergent parts, throughout the huge mass of the Mykolaiv Sands, is probably responsible for their great variation in thickness in western Ukraine, which has long proved difficult to explain.
    Źródło:
    Acta Geologica Polonica; 2012, 62, 2; 217-229
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new look at the bivalve Anomia ephippium Linnæus, 1758 from the Miocene of the Central Paratethys: anexample from the Nowy Sącz Basin in Poland
    Autorzy:
    Studencka, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/138893.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    bivalvia
    anomiidae
    calcified byssus
    Kamienica Nawojowska
    Nowy Sącz Basin
    Badenian
    middle Miocene
    Central Paratethys
    małże
    bisior
    Nowy Sącz
    baden
    miocen środkowy
    Paratetyda Środkowa
    Opis:
    For the first time, articulated shells of Anomia ephippium Linnæus, 1758, the bivalve species widely distributed in the Egerian–Late Badenian (latest early Oligocene to late middle Miocene) in the Central Paratethys, are described and illustrated. The most astonishing fact is the presence of a heavily calcified byssus that anchored the animal to hard substrates, which is still preserved inside the byssal notch. The investigated material derives from the Badenian (middle Miocene) Niskowa Formation in the Nowy Sącz Basin, a small intramontane basin situated in the Polish Outer Carpathians. Apart from articulated shells and left valves, the collected material contains some dozen of calcified byssi fixed to rigid substrate, SEM images of which are presented. Examination of the A. ephippium specimens stored in the Polish Academy of Sciences, Museum of the Earth in Warsaw revealed other Paratethyan records of anomiid calcified byssi attached to other specimens of A. ephippium. Finally, the paper provides an overview of the previous studies on the representatives of the genus Anomia Linnæus, 1758 from the Central Paratethys and its specific assignment.
    Źródło:
    Acta Geologica Polonica; 2018, 68, 4; 635-650
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Badenian (Middle Miocene) echinoids and starfish from western Ukraine, and their biogeographic and stratigraphic significance
    Autorzy:
    Radwański, A.
    Górka, M.
    Wysocka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/138877.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Asteroidea
    Echinoids
    taxonomy
    new species
    fossil behaviour
    eco-taphonomy
    Middle Miocene (Badenian)
    Ukraine
    jeżowce
    taksonomia
    nowe gatunki
    skamielina
    zachowanie
    miocen środkowy
    baden
    Ukraina
    Opis:
    Echinoderms from the Badenian (Middle Miocene) of the Fore-Carpathian Basin of western Ukraine are facies restricted. The Mykolaiv Beds, stratigraphically older, yielded the starfish Astropecten forbesi (complete skeletons), two genera of sand dollars (Parascutella, Parmulechinus), and numerous other echinoids of the genera Psammechinus , Echinocyamus, Spatangus, Hemipatagus, Echinocardium, Clypeaster, Echinolampas, and Conolampas. The stratigraphically younger, calcareous Ternopil Beds yielded Eucidaris (complete coronae, isolated spines), Arbacina , Brissus, and Rhabdobrissus. Sixteen species of echinoids are distinguished and/or commented. A new brissid, Rhabdobrissus tarnopolensis sp. nov., is established. A mass occurrence of some species (Psammechinus dubius and Hemipatagus ocellatus) contrasts with that of mass aggregations (sand dollars and Echinocardium leopolitanum) by dynamic events in selected layers of proximal tempestites. Of special note is the occurrence of very small specimens, interpreted as juveniles (‘babies’) having been swept out of their restricted biotopes (‘nurseries’). Some species hitherto regarded as of Early Miocene age, and the problem of their persistence beyond the Fore-Carpathian Basin and/or migration into that basin during the Middle Miocene transgression are discussed.
    Źródło:
    Acta Geologica Polonica; 2014, 64, 2; 207-247
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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