Osteopygis emarginatus Cope 1868 (turtle)

Reptilia - Testudines - Macrobaenidae

Synonyms: Amblypeza entellus Hay 1908, Catapleura chelydrina Cope 1875, Osteopygis chelydrinus Cope 1868, Osteopygis gibbi Wieland 1904

Full reference: E. D. Cope. 1868. [A new genus of Chelonia from New Jersey]. Proceedings of the Academy of Natural Sciences of Philadelphia 20:147

Belongs to Osteopygis according to O. P. Hay 1908

See also Cope 1868, Cope 1870, Cope 1870, Hay 1902, Parham 2005, Weems 1988, Wieland 1904 and Zangerl 1953

Sister taxa: Osteopygis borealis, Osteopygis emarginata, Osteopygis erosus, Osteopygis platylomus, Osteopygis robustus, Osteopygis roundsi

Type specimens:

  • Osteopygis emarginatus: AMNH 1485. Its type locality is Barnsboro "greensand" (Hornerstown), which is in a Maastrichtian marginal marine horizon in the Hornerstown Formation of New Jersey.
  • Amblypeza entellus: State Collection New Jersey No Unknown, a partial shell.
  • Catapleura chelydrina:
  • Osteopygis chelydrinus: AMNH 1131, a partial shell (a figured peripheral and only questionably associated other material). Its type locality is Barnsboro "greensand" (Hornerstown), which is in a Maastrichtian marginal marine horizon in the Hornerstown Formation of New Jersey.
  • Osteopygis gibbi: YPM 783 (Marsh collection), a shell. Its type locality is Barnsboro "greensand" (Navesink), which is in a Maastrichtian marginal marine sandstone in the Navesink Formation of New Jersey.

Ecology:

Distribution:

• Paleocene of United States (2: South Carolina collections)

• Cretaceous of United States (7: Maryland, New Jersey, South Carolina)

Total: 9 collections each including a single occurrence

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