Definition of Sphenacodon. Meaning of Sphenacodon. Synonyms of Sphenacodon

- 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...
- small region of North America, while a smaller sphenacodontid called Sphenacodon dominated the western area. While this seaway probably did exist, the...
- largest clade that includes Haptodus baylei, Haptodus garnettensis and Sphenacodon ferox, but not Edaphosaurus pogonias". They first appear during the Late...
- large (~3 meters) and advanced members of this group (Ctenospondylus, Sphenacodon, Secodontosaurus and Dimetrodon) are distinguished by a tall sail along...
- contrast, Sphenacodon and Ctenospondylus have a lower dorsal crest formed from flat, blade-like neural spines, relatively low in Sphenacodon and taller...
- scientifically updated form (with a long tail) alongside Dimetrodon and Sphenacodon to represent the Permian period in his famous The Age of Reptiles mural...
- Echinerpeton was a sail-backed synapsid like the better known Dimetrodon, Sphenacodon, and Edaphosaurus. However, the relationship of Echinerpeton to these...
- much smaller. Well-known pelycosaurs include the genera Dimetrodon, Sphenacodon, Edaphosaurus, and Ophiacodon. Pelycosaur fossils have been found mainly...
- skeleton with skull. The spines of Ctenospondylus are longer than those of Sphenacodon but shorter than those of Dimetrodon. They also lack the dumbbell-shaped...
- Eupelycosauria belonging to the Sphenacodontidae, related to Dimetrodon and Sphenacodon, from the Late Permian San Angelo Formation of Texas. A maxilla and dentary...