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Title:
Late Triassic Turtles from South America
Authors:
Rougier, Guillermo W.; de La Fuente, Marcelo S.; Arcucci, Andrea B.
Publication:
Science, Volume 268, Issue 5212, pp. 855-858
Publication Date:
05/1995
Origin:
JSTOR
Bibliographic Code:
1995Sci...268..855R

Abstract

The discovery of Triassic (Norian) turtles from the northwest part of Argentina extends the South American record of turtles by 60 million years. Two skeletons, one almost complete, represent a new genus and species of a basal turtle, Palaeochersis talampayensis. This turtle is a member of the family Australochelidae that was recently erected for Australochelys africanus from the Lower Jurassic of South Africa. Here, it is proposed that Australochelidae is the sister group of Proterochersis plus Casichelydia, that turtles were diverse by the Late Triassic, and that Casichelydia probably originated during the Jurassic.

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Database: Astronomy
Physics
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