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    Wyświetlanie 1-7 z 7
    Tytuł:
    A microconchiate Hypowaagenia Schweigert and Schlampp, 2020 (Aspidoceratidae, Hybonoticeratinae) from the Upper Jurassic of Southern Germany
    Autorzy:
    Schweigert, Günter
    Schlampp, Victor
    Powiązania:
    https://bibliotekanauki.pl/articles/2060933.pdf
    Data publikacji:
    2020
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    ammonites
    Aspidoceratidae
    dimorphism
    palaeobiogeography
    Germany
    amonity
    dymorfizm
    paleobiogeografia
    Niemcy
    Opis:
    The previously unknown microconch which corresponds to the recently introduced Late Jurassic aspidoceratoid ammonite genus Hypowaagenia Schweigert and Schlampp, 2020, is reported from beds of the topmost Platynota Zone or basal Hypselocyclum Zone of Franconia. This record indicates that these exotic ammonite findings are not of long-drifting necroplanktonic shells, but stem from animals that have spread over this area after immigration from the Tethys
    Źródło:
    Volumina Jurassica; 2020, 18, 2; 115--120
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New records of Tmaegoceras lacordarii (Michelin, 1835) from the Lower Jurassic Arietenkalk Formation of SW Germany and its systematic relationships
    Autorzy:
    Schweigert, Günter
    Scherzinger, Armin
    Gräbenstein, Stefan
    Powiązania:
    https://bibliotekanauki.pl/articles/2060916.pdf
    Data publikacji:
    2021
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    ammonites
    systematics
    Pseudotropitinae
    palaeobiogeography
    Sinemurian
    amonity
    systematyka
    paleobiogeografia
    Opis:
    New material of the enigmatic cosmopolitan ammonite genus Tmaegoceras Hyatt, 1889 is reported from the upper Lower Sinemurian (Bucklandi Zone, ‛cf. pinguisʼ Biohorizon) of SW Germany. It is better preserved than previously described material. All specimens are assigned to Tmaegoceras lacordarii (Michelin, 1835), an almost forgotten subjective senior synonym of Tmaegoceras crassiceps Pompeckj, 1901. The presence of an extreme rursiradiate ribbing style in some specimens allows a better understanding of this genus and provides a hint for its systematic affiliation. This diagnostic ribbing style is shared with some extremely rare Alpine taxa such as Ammonites salinarius Hauer, 1846 and “Arietites” subsalinarius Wähner, 1891. Tmaegoceras is included here in Pseudotropitinae Donovan, 1973. Pseudotropitinae are possibly an early offshoot of Arietitidae indigenous of the Panthalassa Realm that occasionally spread into the Tethys and its adjacent shelves. A phyletic relationship with Late Triassic Tropitidae Mojsisovics, 1875, however, cannot be excluded either.
    Źródło:
    Volumina Jurassica; 2021, 19, 1; 95--108
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New finds of well-preserved Tithonian (Late Jurassic) fossils from Owadów–Brzezinki Quarry, Central Poland: a review and perspectives
    Autorzy:
    Błażejowski, B.
    Gieszcz, P.
    Tyborowski, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060993.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Late Jurassic
    Tithonian
    marine fossils
    terrestrial fossils
    palaeontology
    palaeobiogeography
    Późna jura
    tyton
    skamieniałości morskie
    skamieliny ziemskie
    paleontologia
    paleobiogeografia
    Opis:
    Here we briefly report the discovery of new, exceptionally well-preserved Late Jurassic (Tithonian) fossils from Owadow- Brzezinki quarry - one of the most important palaeontological sites in Poland. These finds which comprise organisms living originally in different environments indicate that the Owadow-Brzezinki site represents a link - most probably in a form of open marine passages - betweeen distinct palaeobiogeographical provinces. This creates an unprecedented opportunity for better recognition of the regional palaeobiogeography of adjacent European areas during the Late Jurassic.
    Źródło:
    Volumina Jurassica; 2016, 14, 1; 123--132
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Oxfordian ammonite genus Passendorferia Brochwicz Lewiński and the Tethyan subfamily Passendorferiinae Meléndez: origin and palaeobiogeography
    Autorzy:
    Mendez, G.
    Atrops, F.
    Bello, J.
    Brochwicz-Lewiński, W.
    Darpa, C.
    Fozy, I.
    Perez-Urresti, I.
    Ramajo, J.
    Sequeiros, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061354.pdf
    Data publikacji:
    2009
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Upper Jurassic
    ammonites
    paleobiogeography
    West Tethys
    biostratigraphy
    evolution
    Mediterranean Province
    Opis:
    The Oxfordian ammonite group Passendorferiinae (known as "Mediterranean perisphinctids") forms a group of perisphinctids characterized by strongly evolute serpenticone coiling and subcircular to subquadrate whorl section, and forms a lateral divergent branch of the main stem Perisphinctidae. They originated probably from Late Callovian Grossouvriinae (Alligaticeras) and spread mainly in the Mediterranean (Tethyan) Province along the southern margin of Tethys, occasionally reaching the outer areas of epicontinental platforms. Their particular morphological features make them somewhat homoeomorphic with Tethyan Kimmeridgian Nebrodites. The phyletic link might be represented by the genus Geyssantia Meléndez, known from the Late Oxfordian Planula Chronozone. Separate biogeographic distribution in relation to the Perisphinctinae might reflect a progressive differentiation of western Tethyan faunas at the Callovian-Oxfordian boundary and at the onset of the Middle Oxfordian Transversarium Chronozone. Their rapid evolution gives them a biostratigraphic value similar to that of the Perisphinctinae. At the turn of the Middle-Late Oxfordian they gave rise to early Ataxioceratinae (Orthosphinctes), which replaced the Perisphinctinae in epicontinental areas, and colonised the marginal epicontinental blocks of northern Tethys. The taxonomy of this group is based upon the recognition of sexual dimorphism, using a single generic and specific name for both (M) and (m), and hence rejecting the use of former subgeneric ames for both dimorphs. A new species within this line: Passendorferia nodicostata sp. nov. from the Plicatilis Biozone (Paturattensis Subbiozone) is defined and described for the first time.
    Źródło:
    Volumina Jurassica; 2009, 7, 1; 113-134
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Detailed biostratigraphy of the Middle Callovian – lowest Oxfordian in the Mikhaylov reference section (Ryazan region, European part of Russia) by ammonites
    Autorzy:
    Kiselev, D. N.
    Rogov, M. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060963.pdf
    Data publikacji:
    2018
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Callovian
    Oxfordian
    European Russia
    infrazonal scale
    reference section
    ammonites
    palaeobiogeography
    Kelowej
    Oksford
    Rosja europejska
    skala infograficzna
    punkt odniesienia
    amonity
    paleobiogeografia
    Opis:
    Study of the sections near the Mikhaylov (Ryazan region) has made it possible to improve the infrazonal subdivision of the Middle Callovian – Lower Oxfordian of the European Russia by ammonites. The Athleta Zone is the most complete in the studied sections. A sequence of kosmoceratid biohorizons (phaeinum, proniae, rowlstonense and kuklikum) is established here, as well as infrazonal units based on a phylogenetic sequence of species of the genus Funiferites. A study of the paleobiodiversity and frequency of occurrence of ammonites at different intervals of the section showed that the ammonite assemblages of the Athleta Zone are Sub-Boreal or Sub-Tethyan, while in the Lamberti Zone they are Boreal, and in the Lower Oxfordian they are Arctic. It is also shown that the change in ammonite composition in the sections coincides with the cycles of transgressions and regressions of Boreal basins. New species and subspecies of the ammonites Funiferites allae compressum, Cadoceras (Eichwaldiceras) intermedium, Brightia (B.) lominadzei, B. (B.) progzhellensis, B. (B.) eccentrtica, B. (Glyptia) canaliculata stankevitchae, Zieteniceras rarecostatum are described.
    Źródło:
    Volumina Jurassica; 2018, 16, 1; 73--186
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Bajocian to Kimmeridgian (Middle to Upper Jurassic) ammonite succession at Sentralbanken High (core 7533/3-U-1), Barents Sea, and its stratigraphical and palaeobiogeographical significance
    Autorzy:
    Andrzej, Wierzbowski
    Morten, Smelror
    Powiązania:
    https://bibliotekanauki.pl/articles/2060938.pdf
    Data publikacji:
    2020
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Middle and Upper Jurassic
    ammonites
    Boreal province
    Subboreal province
    correlation
    palaeobiogeography
    Jura środkowa i górna
    amonity
    prowincja borealna
    prowincja subborealna
    korelacja
    paleobiogeografia
    Opis:
    Ammonites recovered from Upper Bajocian to Upper Kimmeridgian strata in a core drilled at Sentralbanken High in the northern Barents Sea are described and chronostratigraphically interpreted. The lower part of the core comprises Upper Bajocian to Upper Callovian deposits of the Fuglen Formation with ammonites of the genus Cranocephalites near the base, and Longaeviceras in the upper part. The overlying Oxfordian to Kimmeridgian deposits of the Hekkingen Formation are thin and condensed. The Hekkingen Formation is dominated by Boreal cardioceratid ammonites (Cardioceras, Amoebites, Euprionoceras, Hoplocardioceras), with numerous Subboreal aulacostephanid ammonites (Rasenia, Zenostephanus) at two levels. The occurrences of Boreal and Subboreal ammonites are discussed in relation to the palaeogeography and fluctuations of ammonite faunas within the Boreal Realm during the Kimmeridgian with special attention to levels rich in Subboreal ammonites whose appearance has been controlled by tectonic and climatic factors. The uppermost part of the succession deposited during a time of maximum flooding in the Late Kimmeridgian is dominated by Boreal ammonites.
    Źródło:
    Volumina Jurassica; 2020, 18, 1; 1--22
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Summary of a decade of research at the Owadów–Brzezinki Lagerstätte (Tithonian, central Poland): A review and perspectives for the future
    Autorzy:
    Błażejowski, Błażej
    Weryński, Łukasz
    Wierzbowski, Andrzej
    Michalska, Monika
    Hryniewicz, Krzysztof
    Uchman, Alfred
    Kugler, Stanisław
    Bącal, Paweł
    Hołda-Michalska, Aleksandra
    Powiązania:
    https://bibliotekanauki.pl/articles/28883741.pdf
    Data publikacji:
    2023
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Late Jurassic
    Tithonian
    marine fossils
    terrestrial fossils
    palaeobiogeography
    palaeontology
    późna jura
    Tytonian
    skamieniałości morskie
    skamieliny ziemskie
    paleobiogeografia
    paleontologia
    Opis:
    For over ten years, the Lower to Upper Tithonian boundary beds cropping out in the Owadów–Brzezinki quarry have yielded numerous fossils of ammonites, bivalves, brachiopods, xiphosurans, decapods, insects, and vertebrates – including actinopterygian fishes and various reptiles and others, all of which exhibit fine preservation of their anatomical details due to special environmental conditions during their fossilization. The Owadów–Brzezinki section is also important for stratigraphical correlations because it contains ammonite faunas indicative of the NE European and NW European Subboreal zonal schemes, as well as Tethyan calpionellids. The whole faunal as- semblage, which represents taxa of many iconic groups of Mesozoic animals, has created the opportunity to establish the ‘Owadów– Brzezinki geopark’, a geoeducation area where the public, and especially the young, can learn about the beauty of the natural history of the region.
    Źródło:
    Volumina Jurassica; 2023, 21; 83--98
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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