Osteopygis (Testudines: Cheloniidae) from the Lower Tertiary of the Ouled Abdoun phosphate basin, Morocco

Authors: Hirayama R.; Tong H.

Source: Palaeontology, Volume 46, Number 5, September 2003 , pp. 845-856(12)

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Abstract:

Osteopygis emarginatus Cope 1868 is described from the Lower Tertiary of the Ouled Abdoun phosphate basin, Morocco, on the basis of skulls and lower jaws. Osteopygis is a cosmopolitan turtle that had a wide geographical distribution during the Late Cretaceous and Paleocene. Osteopygis emarginatus is a very conservative species which crossed the Cretaceous/Tertiary boundary without major changes.

Keywords: Testudines; Cheloniidae; Osteopygis; Morocco; Lower Tertiary; systematics; palaeobiogeography

Document Type: Research article

DOI: http://dx.doi.org/10.1111/1475-4983.00322

Affiliations: 1: Teikyo Heisei University of Technology, Chiba, Japan

Publication date: 2003-09-01