†family Sphenacodontidae Marsh 1878 (synapsid)

Osteichthyes - Synapsida - Sphenacodontidae

Synonyms: Palaeohatteriidae Baur 1889, Pantelosauridae Huene 1925

Parent taxon: Sphenacodontoidea according to J. Fröbisch et al. 2011

See also Baur 1889, Berman 1977, Carroll 1988, Currie 1977, Daly 1973, Evans et al. 2009, Hopson 1991, Kemp 1982, Kuhn 1946, Lewis and Vaughn 1965, Martens et al. 2005, Olson and Beerbower 1953 and Reisz 1986

Sister taxa: none

Subtaxa: Cryptovenator Ctenorhachis Dimetrodon kempae Eosyodon Eosyodon hudsoni Secodontosaurinae Sphenacodontinae Varanopsinae

View classification

Ecology:

Distribution:

• Leonard of United States (8: Oklahoma, Texas collections)

• Wolfcamp of United States (18: New Mexico, Texas, Utah)

• Permian of Canada (1: Prince Edward Island), France (1), Germany (1), the United Kingdom (1), United States (64: New Mexico, Ohio, Oklahoma, Texas, Utah)

• Virgilian of United States (2: New Mexico)

• Carboniferous to Permian of United States (1: New Mexico)

• Carboniferous of the Czech Republic (1), Germany (1)

Total: 99 collections including 124 occurrences

Show more details