A revision of the genus Nothosaurus (Reptilia: Sauropterygia) from the Germanic Triassic, with comments on the status of Conchiosaurus clavatus | Fieldiana: Geology, new series, no. 34 | Revision of Nothosaurus
1996
Rieppel, Olivier
Mots clés AGROVOC
Informations bibliographiques
Fieldiana, Geology, new ser., no. 34
ISSN
0096-2651
Publication (Field Museum of Natural History), 1479
Editeur
Field Museum of Natural History
D'autres materias
Nothosaurus
Langue
allemand, anglais
Format
print
Note
"Accepted October 30, 1995. Published August 30, 1996."
The systematic revision of the genus Nothosaurus from the Germanic Triassic (Muschelkalk, lower and middle Keuper) results in the recognition of five valid species. These are N. edingerae, N. giganteus, N. juvenilis, N. marchicus, and the genotypical species, N. mirabilis. The holotype of Conchiosaurus clavatus from the base of the middle Muschelkalk is unequivocal evidence of the synonymy of Conchiosaurus with Nothosaurus. Since Conchiosaurus has priority, it must be declared a nomen oblitum to preserve the genus name Nothosaurus. Intrageneric relationships of the species as reconstructed by cladistic analysis match the stratigraphic distribution of the species. The first occurrence of the genus is Nothosaurus cf. N. marchicus in the early lower Muschelkalk; the latest occurrence is Nothosaurus edingerae from the middle Keuper (Gipskeuper). Paranothosaurus is a junior synonym of Nothosaurus and supports faunal interchange between the Germanic and Alphine Triassic at the time of the Anisian-Ladinian boundary.
Abstract also in German.
Fieldiana series has been published as Geological Series by Field Columbian Museum (1895-1909) and Field Museum of Natural History (1909-1943), and as Fieldiana: Geology by Chicago Natural History Museum (1945-1966) and Field Museum of Natural History (1966-).
Type
Book; Text
Collaborateur
Wild, R.
Auteur institutionnelle
Field Museum of Natural History.
2023-09-26
MODS
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