A new large capitosaurid temnospondyl amphibian from the Early Triassic of Poland

• Autorzy: Sulej T. , Niedzwiedzki G.
• Języki publikacji: EN

Abstrakty

EN

The Early Triassic record of the large capitosaurid amphibian genus Parotosuchus is supplemented by new material from fluvial deposits of Wióry, southern Poland, corresponding in age to the Detfurth Formation (Spathian, Late Olenekian) of the Germanic Basin. The skull of the new capitosaurid shows an “intermediate” morphology between that of Paroto− suchus helgolandicus from the Volpriehausen−Detfurth Formation (Smithian, Early Olenekian) of Germany and the slightly younger Parotosuchus orenburgensis from European Russia. These three species may represent an evolutionary lineage that underwent a progressive shifting of the jaw articulation anteriorly. The morphology of the Polish form is dis− tinct enough from other species of Parotosuchus to warrant erection of a new species. The very large mandible of Parot− osuchus ptaszynskii sp. nov. indicates that this was one of the largest tetrapod of the Early Triassic. Its prominent anatomi− cal features include a triangular retroarticular process and an elongated base of the hamate process.

Słowa kluczowe

EN

new genus; large capitosaurid amphibian; Early Triassic; Triassic; Poland; temnospondyl amphibian; Temnospondyli; Capitosauridae; Buntsandstein; Spathian; Olenekian; Holy Cross Mountains; paleontology; deposit; anatomy

• Wydawca: -
• Czasopismo: Acta Palaeontologica Polonica
• Rocznik: 2013
• Tom: 58
• Numer: 1
• Opis fizyczny: p.65-75,fig.,ref.

Twórcy

autor

Sulej T.

• Institute of Paleobiology, Polish Academy of Sciences, Twarda 51/55,00-818 Warsaw, Poland

autor

Niedzwiedzki G.

• Institute of Paleobiology, Polish Academy of Sciences, Twarda 51/55,00-818 Warsaw, Poland

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