Osteichthyes - Synapsida - Ophiacodontidae
Alternative combinations: Arribasaurus navajovicus, Dimetrodon navajovicus
Full reference: E. C. Case. 1907. Revision of the Pelycosauria of North America. Carnegie Institution of Washington 55:3-176
Belongs to Ophiacodon according to A. S. Romer and L. I. Price 1940
See also Case 1907, Hay 1930 and Reisz 1986
Sister taxa: Ophiacodon hilli, Ophiacodon major, Ophiacodon mirus, Ophiacodon retroversus, Ophiacodon uniformis
Type specimen: AMNH 4777, a partial skeleton (postcrania). Its type locality is El Cobre Canyon (Cutler Formation), which is in a Virgilian fluvial siliciclastic in the Cutler Formation of New Mexico.
Distribution:
• Permian of United States (1: Utah collection)
• Carboniferous to Permian of United States (1: Utah)
• Carboniferous of United States (1: New Mexico)
Total: 3 collections including 4 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.