Osteichthyes - Synapsida - Sphenacodontidae
Alternative combination: Theropleura grandis
Synonym: Dimetrodon maximus Romer 1936
Full reference: E. C. Case. 1907. Revision of the Pelycosauria of North America. Carnegie Institution of Washington 55:3-176
Belongs to Dimetrodon according to R. R. Reisz 1986
See also Case 1907, Hay 1930, Romer 1936 and Romer and Price 1940
Sister taxa: Dimetrodon angelensis, Dimetrodon booneorum, Dimetrodon borealis, Dimetrodon dollovianus, Dimetrodon giganhomogenes, Dimetrodon limbatus, Dimetrodon loomisi, Dimetrodon macrospondylus, Dimetrodon milleri, Dimetrodon natalis, Dimetrodon occidentalis, Dimetrodon teutonis
Type specimens:
- Dimetrodon grandis: AMNH 4034 (not 4130-4134, as erroneously stated by Case, 1907), a set of postcrania (vertebrae and pelvic elements). Its type locality is Beaver Creek, 42 (Arroyo Formation), which is in a Kungurian terrestrial claystone/sandstone in the Arroyo Formation of Texas.
- Dimetrodon maximus: MCZ.
Ecology:
Distribution:
• Permian of United States (2: Oklahoma, Texas collections)
Total: 2 collections including 3 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.