Sphenacodon (meaning "wedge point tooth") is an extinct genus of synapsid that lived from about 300 to about 280 million years ago (Ma) during the Late...
17 KB (1,871 words) - 04:56, 16 June 2024
largest clade that includes Haptodus baylei, Haptodus garnettensis and Sphenacodon ferox, but not Edaphosaurus pogonias". They first appear during the Late...
7 KB (455 words) - 21:14, 8 August 2024
contrast, Sphenacodon and Ctenospondylus have a lower dorsal crest formed from flat, blade-like neural spines, relatively low in Sphenacodon and taller...
16 KB (1,706 words) - 08:39, 26 June 2024
large (~3 meters) and advanced members of this group (Ctenospondylus, Sphenacodon, Secodontosaurus and Dimetrodon) are distinguished by a tall sail along...
8 KB (694 words) - 21:49, 4 January 2024
small region of North America, while a smaller sphenacodontid called Sphenacodon dominated the western area. While this seaway probably did exist, the...
81 KB (9,050 words) - 08:32, 31 July 2024
scientifically updated form (with a long tail) alongside Dimetrodon and Sphenacodon to represent the Permian period in his famous The Age of Reptiles mural...
36 KB (4,254 words) - 13:03, 23 May 2024
much smaller. Well-known pelycosaurs include the genera Dimetrodon, Sphenacodon, Edaphosaurus, and Ophiacodon. Pelycosaur fossils have been found mainly...
12 KB (1,185 words) - 00:02, 11 August 2024
Lepidodendron Sigillaria Permian Seymouria Limnoscelis Varanosaurus Ophiacodon Sphenacodon Araeoscelis Dimetrodon Edaphosaurus Cordaites Triassic Saltoposuchus...
8 KB (788 words) - 21:03, 28 June 2024