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    Wyświetlanie 1-7 z 7
    Tytuł:
    Triassic coleoid beaks and other structures from the Calcareous Alps revisited
    Autorzy:
    Doguzhaeva, L.A.
    Summesberger, H.
    Brandstaetter, F.
    Gruber, D.
    Tintori, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/31341404.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    Triassic
    coleoid
    beak
    Cephalopoda
    Coleoidea
    Phragmoteuthis
    vertebrate
    invertebrate
    structure
    cephalopod
    Phragmoteuthis bisinuata
    Lunzoteuthis schindelbergensis
    Glochinomorpha stifeli
    Calcareous Alps Mountains
    Alps Mountains
    Źródło:
    Acta Palaeontologica Polonica; 2022, 67, 3; 655-666
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comment on “Triassic coleoid beaks and other structures from the Calcareous Alps revisited” by Doguzhaeva et al. (2022)
    Autorzy:
    Lukeneder, P.
    Lukeneder, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/31341355.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    review
    discussion
    comment
    Triassic
    coleoid cephalopod
    cephalopod
    structure
    remains
    Alps Mountains
    Źródło:
    Acta Palaeontologica Polonica; 2022, 67, 4; 963-965
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Barremian heteromorph ammonite Dissimilites from northern Italy: Taxonomy and evolutionary implications
    Autorzy:
    Lukeneder, A.
    Lukeneder, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/22570.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    Ammonoidea
    Acrioceratidae
    Barremian
    Cretaceous
    heteromorph ammonite
    Dissimilites
    Italy
    taxonomy
    evolution
    Alps Mountains
    Opis:
    A new acrioceratid ammonite, Dissimilites intermedius sp. nov., from the Barremian (Lower Cretaceous) of the Puez area (Dolomites, northern Italy) is described. Dissimilites intermedius sp. nov. is an intermediate form between D. dissimilis and D. trinodosum. The new species combines the ribbing style of D. dissimilis (bifurcating with intercalating single ribs) with the tuberculation style of D. trinodosum (trituberculation on entire shell). The shallow-helical spire, entirely comprising single ribs intercalated by trituberculated main ribs, is similar to the one of the assumed ancestor Acrioceras, whereas the increasing curvation of the younger forms resembles similar patterns observed in the descendant Toxoceratoides. These characters support the hypothesis of a direct evolutionary lineage from Acrioceras via Dissimilites to Toxoceratoides. D. intermedius sp. nov. ranges from the upper Lower Barremian (Moutoniceras moutonianum Zone) to the lower Upper Barremian (Toxancyloceras vandenheckii Zone). The new species allows to better understand the evolution of the genus Dissimilites. The genus appears within the Nicklesia pulchella Zone represented by D. duboise, which most likely evolved into D. dissimilis. In the Kotetishvilia compressissima Zone, two morphological forms developed: smaller forms very similar to Acrioceras and forms with very long shaft and juvenile spire like in D. intermedius sp. nov. The latter most likely gave rise to D. subalternatus and D. trinodosum in the M. moutonianum Zone, forms which were probably ancestral to the genus Toxoceratoides.
    Źródło:
    Acta Palaeontologica Polonica; 2014, 59, 3
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Some critical notes on “Comment on ‘Triassic coleoid beaks and other structures from the Calcareous Alps revisited’ by Doguzhaeva et al. (2022)” by Lukeneder and Lukeneder (2022)
    Autorzy:
    Doguzhaeva, L.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/31341367.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    critical note
    paleontology
    review
    discussion
    comment
    Triassic
    coleoid cephalopod
    cephalopod
    structure
    remains
    Alps Mountains
    Źródło:
    Acta Palaeontologica Polonica; 2022, 67, 4; 966-968
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Middle Triassic scleractinia-like coral Furcophyllia from the Pamir Mountains
    Autorzy:
    Melnikova, G K
    Roniewicz, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/22926.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    scleractinia-like coral
    Italy
    Alps Mountains
    Pamir Plateau
    Middle Triassic
    Tajikistan
    Furcophyllia shaitanica
    distribution
    paleontology
    Opis:
    Furcophyllia is an unusual coral with septa regularly splitting into branching sets called septal brooms. This pattern of septal apparatus is so alien to scleractinians, that, despite a trabecular microstructure of septa resembling that of the Scleractinia, the genus was originally ascribed to a rare group of corals informally referred to as sleractiniamorphs, previously known from the Ordovician and Permian. Genus Furcophyllia emerged together with corals of several groups, after the post−Permian crisis diversification of skeletonized anthozoans, some of them markedly differing in their skeletal features from typical Scleractinia. So far, the genus was represented by middle Carnian Furcophyllia septafindens from the Dolomites, in the Southern Alps. Here, we report Furcophyllia shaitanica sp. nov. from limestone boulders found in the volcano−clastic deposits of the upper Ladinian Šajtan suite of the South Eastern Pamirs. A new species of Furcophyllia signifies that the genus was a faunal element widely distributed in the Tethys.
    Źródło:
    Acta Palaeontologica Polonica; 2007, 52, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Early Norian (Triassic) corals from the Northern Calcareous Alps, Austria, and the intra-Norian faunal turnover
    Autorzy:
    Roniewicz, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/20215.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Early Norian
    Triassic
    coral
    Alps Mountains
    Austria
    faunal turnover
    paleontology
    Scleractinia
    Hexanthiniaria
    taxonomy
    Norian
    Dachstein
    Tethys
    Opis:
    The first description of early Norian coral fauna from the Northern Calcareous Alps (Dachstein Plateau and Gosaukamm), Austria, is presented: 31 scleractinian species from 24 genera (including three corals not formally determined), and three hexanthiniarian species belonging to two genera. The stratigraphical position of the main part of the fauna discovered in the South Dachstein Plateau at the Feisterscharte is determined by means of the conodont Epigondolella quadrata (Lacian 1); single finds are from the horizons with Epigondolella triangularis and Norigondolella navicula (Lacian 3), and one close to the horizon with Epigondolella cf. multidentata (Alaunian 1). Rare corals from the Gosaukamm are from the Lacian 1 and Alaunian. Five species are described as new: Retiophyllia vesicularis, Retiophyllia aranea, Margarosmilia adhios, Hydrasmilia laciana; one new genus and species from the family Coryphylliidae, Margarogyra hirsuta; one new genus and species, Thamnasterites astreoides, cannot be assigned to a family. Two hexanthiniarian species, Pachysolenia cylindrica and Pachydendron microthallos, known exclusively from the Tethyan lower Norian, represent stratigraphically valuable species. A regularly porous coral from the family Microsolenidae, Eocomoseris, which up to now has only been known from the Jurassic and Cretaceous, is here identified from the Triassic strata (originally described as Spongiomorpha [Hexastylopsis] ramosa). Predominant taxa show solitary and phaceloid (pseudocolonial) growth forms and an epithecal wall; pennules−bearing corals are common. Carnian genera and genera typical of the Lacian and Lacian–early Alaunian prevail; a hydrozoan genus Cassianastraea has also been encountered as well as a scleractiamorph coral, Furcophyllia septafindens). The faunal composition contrasts with that of well known late Norian–Rhaetian ones, the difference being observed not only at the generic but also at the family level. The post−early Norian change in coral spectrum documents the turnover of the coral fauna preceding that at the Triassic/Jurassic boundary.
    Źródło:
    Acta Palaeontologica Polonica; 2011, 56, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new Early Triassic gastropod genus and the recovery of gastropods from the Permian-Triassic extinction
    Autorzy:
    Nutzel, A
    Powiązania:
    https://bibliotekanauki.pl/articles/22642.pdf
    Data publikacji:
    2005
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    gastropod
    Werfenella
    Alps Mountains
    Purpurinidae
    Werfen Formation
    Olenekian
    new genus
    mass extinction
    Early Triassic
    Triassic
    Gastropoda
    Permian
    Turbo rectecostatus
    paleontology
    Opis:
    The common Early Triassic (Olenekian) gastropod Turbo rectecostatus from the upper Werfen Formation of the Alps is placed in the new genus Werfenella. Elimination of the wrong or outdated generic assignments of Late Palaeozoic and Early Mesozoic gastropods to archetypical genera such as Turbo, Trochus, or Natica (all with Recent type species) represents an important step toward understanding the evolutionary history of the gastropods across the Permian/Triassic mass−extinction event. The first appearance of Werfenella in the Olenekian, as well as the origination of other groups of gastropods, suggests an early turnover in the aftermath of the end−Permian mass extinction event. The relatively large size of Werfenella (up to 35 mm) sheds doubt on assertions that all Early Triassic gastropods are microgastropods (Lilliput effect). The new genus is placed in the caenogastropod family Purpurinidae and represents its earliest occurrence. However, a placement of Werfenella in the Archaeogastropoda (Vetigastropoda) is also possible because it resembles the paraturbinid genus Chartronella. The characteristic Werfenella rectecostata–Natiria costata gastropod association from the Werfen Formation is not found in the approximately contemporaneous Sinbad Limestone of the Moenkopi Formation (Utah, USA) nor elsewhere outside Europe. This suggests that the similarities between Olenekian gastropod faunas from the Tethys and western North America are more limited than previously thought.
    Źródło:
    Acta Palaeontologica Polonica; 2005, 50, 1
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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