Steppesaurus is an extinct genus of basal Eupelycosauria belonging to the Sphenacodontidae, related to Dimetrodon and Sphenacodon, from the Late Permian...
2 KB (236 words) - 21:18, 20 September 2021
& clades Ctenorhachis Cutleria Macromerion Neosaurus Secodontosaurus Steppesaurus? Tetraceratops? Sphenacodontinae Cryptovenator Ctenospondylus Dimetrodon...
8 KB (694 words) - 21:49, 4 January 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
81 KB (9,042 words) - 18:39, 27 June 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
28 KB (2,745 words) - 20:33, 9 July 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
2 KB (113 words) - 20:07, 14 November 2023
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
6 KB (305 words) - 21:09, 12 August 2023
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
7 KB (455 words) - 19:19, 14 April 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
16 KB (1,348 words) - 19:08, 9 May 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
36 KB (4,254 words) - 13:03, 23 May 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
10 KB (775 words) - 14:59, 11 May 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
6 KB (526 words) - 23:20, 28 June 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
15 KB (1,493 words) - 14:55, 8 July 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
9 KB (892 words) - 15:44, 28 April 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
5 KB (438 words) - 15:47, 9 June 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
4 KB (450 words) - 12:48, 16 November 2023
hudsoni A dubious sphenacodontid Gorgodon G. minutus Knoxosaurus K. niteckii Mastersonia M. driverensis Steppesaurus S. gurleyi Tappenosaurus T. magnus...
6 KB (426 words) - 15:04, 13 February 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
22 KB (2,213 words) - 15:13, 6 June 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
29 KB (2,508 words) - 20:52, 5 January 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
64 KB (5,833 words) - 01:08, 4 January 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
13 KB (1,507 words) - 16:29, 28 November 2023
come the very fragmentary genera Steppesaurus and Mastersonia. In 1953, Olson and Beerbower first classified Steppesaurus among the sphenacodontid pelycosaurs...
78 KB (8,362 words) - 22:08, 28 May 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
6 KB (587 words) - 22:54, 4 February 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
1 KB (61 words) - 20:56, 3 July 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
1 KB (76 words) - 15:44, 28 April 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
976 bytes (45 words) - 19:51, 21 November 2021
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
8 KB (741 words) - 15:20, 6 April 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
2 KB (88 words) - 21:26, 17 January 2023
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
6 KB (509 words) - 15:41, 28 April 2024
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
3 KB (261 words) - 21:00, 20 September 2021
Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops? Therapsida see below↓...
3 KB (143 words) - 12:51, 28 November 2023