Ophiacodon retroversus Cope 1878 (ophiacodont)

Osteichthyes - Synapsida - Ophiacodontidae

Alternative combination: Theropleura retroversa

Synonyms: Clepsydrops leptocephalus Cope 1884, Diopeus leptocephalus Cope 1884, Theropleura triangulata Cope 1878, Therosaurus watsoni von Huene 1925

Full reference: E. D. Cope. 1878. Descriptions of extinct Batrachia and Reptilia from the Permian formations of Texas. Proceedings of the American Philosophical Society 17:505-530

Belongs to Ophiacodon according to R. R. Reisz 1986

See also Case 1907, Cope 1878, Cope 1884, Cope 1888, Cope 1892, Hay 1902, Hay 1930, Romer 1928, Romer 1936 and Romer and Price 1940

Sister taxa: Ophiacodon hilli, Ophiacodon major, Ophiacodon mirus, Ophiacodon navajovicus, Ophiacodon uniformis

Type specimens:

  • Ophiacodon retroversus: AMNH 4155 (formerly 1111), a partial skeleton (postcrania only). Its type locality is Mount Barry, 12 (Admiral Formation), which is in an Artinskian terrestrial shale in the Admiral Formation of Texas.
  • Clepsydrops leptocephalus: AMNH 4155, a partial skeleton (postcrania only). Its type locality is Big Wichita, Cummins, 23 (Belle Plains Formation), which is in an Artinskian terrestrial claystone/limestone in the Belle Plains Formation of Texas.
  • Theropleura triangulata: AMNH 4166 (formerly 1107), a set of vertebrae. Its type locality is Mount Barry, 12 (Admiral Formation), which is in an Artinskian terrestrial shale in the Admiral Formation of Texas.
  • Therosaurus watsoni: AMNH 4604, a partial skeleton (crushed skull, much of the column, scapulacorcoid and humerus). Its type locality is South of Fulda, 19 (Belle Plains), which is in an Artinskian terrestrial claystone/limestone in the Petrolia Formation of Texas.

Ecology:

Distribution:

• Permian of United States (14: Oklahoma, Texas collections)

Total: 14 collections including 18 occurrences

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Specimen images are retrieved through the ePANDDA API.


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