A taxonomic revision of the Jurassic turtles Portlandemys and Plesiochelys. American Museum novitates ; no. 2574
Supplemental Materials
Date
1975
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Publisher
New York, N.Y. : American Museum of Natural History
DOI
DOI
Abstract
"A taxonomic revision of the Jurassic chelonian family Plesiochelyidae recognizes two valid genera: Plesiochelys Rütimeyer and Portlandemys, new. The genera Craspedochelys Rütimeyer and Stegochelys Lydekker are junior synonyms of Plesiochelys, whereas Plesiochelys jaccardi, P. solodurensis, and P. sanctaeverenae are synonymized with Plesiochelys etalloni. The British Plesiochelys planiceps and the central European Plesiochelys etalloni, both represented by cranial material, are the only species of this genus recognized here. Portlandemys mcdowelli, new genus and species, is proposed for the specimens referred to by Parsons and Williams as the 'Portland skulls'"--P. [1].
Description
19 p. : ill. ; 26 cm.
Includes bibliographical references (p. 18-19).
Includes bibliographical references (p. 18-19).
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