info:eu-repo/semantics/article
The genus Ptychoceras d'Orbigny in the Aptian-Albian of Patagonia and Antarctica
Fecha
2008-07Registro en:
Riccardi, Alberto Carlos; Medina, Francisco Alberto; The genus Ptychoceras d'Orbigny in the Aptian-Albian of Patagonia and Antarctica; E Schweizerbartsche Verlags; Neues Jahrbuch für Geologie und Palaontologie - Abhandlungen; 249; 1; 7-2008; 9-24
0077-7749
CONICET Digital
CONICET
Autor
Riccardi, Alberto Carlos
Medina, Francisco Alberto
Resumen
Aptian - Albian Ptychoceratidae of southern Patagonia and James Ross Island, Antarctica are described. They are represented by Ptychoceras adpressum (J. SOWERBY, 1814), P. forbesianum STOLICZKA, 1865 and P. hamaimense PERVINQUIÈRE 1907. P. hamaimense occurs in the Peltocrioceras deeckei Assemblage Zone (Upper Aptian) of Patagonia and the Pictetia Assemblage Zone (Lower Albian) of Antarctica. P. adpressum has been recorded from the Upper Albian Puzosia vegaensis Assemblage Zone of Patagonia and Tetragonites Assemblage Zone of Antarctica. P. forbesianum occurs in the Middle-Late Albian of Antarctica.