A taxonomic revision of the Jurassic turtles Portlandemys and Plesiochelys. American Museum novitates ; no. 2574

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A taxonomic revision of the Jurassic turtles Portlandemys and Plesiochelys. American Museum novitates ; no. 2574

Gaffney, Eugene S.
URI: http://hdl.handle.net/2246/2761
Date: 1975

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].

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  • American Museum Novitates
    Novitates (Latin for "new acquaintances"), published continuously and numbered consecutively since 1921, are short papers that contain descriptions of new forms and reports in zoology, paleontology, and geology. New numbers are published at irregular intervals.

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