 | Sphenacodontoidea is a node-based clade that is defined to include the most recent common ancestor of Sphenacodontidae and Therapsida and its descendants... 7 KB (397 words) - 23:10, 10 December 2023 |
 | †Ianthodon Pantherapsida †Kenomagnathus †Tetraceratops †Palaeohatteriidae Sphenacodontoidea Shashajaia †Sphenacodontidae Therapsida Sphenacodontia in a cladogram... 7 KB (455 words) - 19:19, 14 April 2024 |
 | classifications all included under the genus Haptodus). The clade Sphenacodontoidea is used by Laurin and Reisz 1997 to designate the most recent common... 8 KB (694 words) - 21:49, 4 January 2024 |
 | Clade: Synapsida Clade: Sphenacodontia Clade: Pantherapsida Clade: Sphenacodontoidea Clade: Therapsida Broom, 1905 Clades †Raranimus †Biarmosuchia †Dinocephalia... 28 KB (2,730 words) - 20:34, 25 April 2024 |
 | Cutleria Sphenacodontoidea... 17 KB (1,712 words) - 13:54, 18 February 2024 |
 | †Haptodus Sphenacodontoidea... 43 KB (3,308 words) - 19:42, 22 April 2024 |
 | Pantelosaurus Sphenacodontoidea... 10 KB (775 words) - 15:14, 6 April 2024 |
| outside clade Sphenacodontia. Within Sphenacodontia is the group Sphenacodontoidea, which in turn contains Sphenacodontidae and Therapsida. Sphenacodontidae... 81 KB (9,043 words) - 09:25, 20 March 2024 |
| †Cutleria †Haptodus †Hypselohaptodus †Kenomagnathus †Tetraceratops †Palaeohatteriidae Palaeohatteria Pantelosaurus Sphenacodontoidea... 6 KB (305 words) - 21:09, 12 August 2023 |
 | †Cutleria †Haptodus †Hypselohaptodus †Kenomagnathus †Tetraceratops †Palaeohatteriidae Palaeohatteria Pantelosaurus Sphenacodontoidea... 9 KB (892 words) - 15:44, 28 April 2024 |