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Dimetrodon (/ d aɪ ˈ m iː t r ə ˌ d ɒ n / ⓘ [1] or / d aɪ ˈ m ɛ t r ə ˌ d ɒ n /; [2] lit. ' two measures of teeth ') is an extinct genus of non-mammalian synapsid belonging to the family Sphenacodontidae that lived during the Cisuralian age of the Early Permian period, around 295–272 million years ago.
Dimetrodon borealis, formerly known [1] as Bathygnathus borealis, is an extinct species of pelycosaur-grade synapsid that lived about 270 million years ago (Ma) in the Early Middle Permian.
The biggest carnivorous synapsid of Early Permian was Dimetrodon, which could reach 4.6 m (15 ft) and 250 kg (550 lb). [8] The largest members of the genus Dimetrodon were also the world's first fully terrestrial apex predators. [9]
Synonym of Ophiacodon (in partium) and Dimetrodon (in partium) [8] Therosaurus. von Huene 1925. Syn. N/A N/A Synonym of Ophiacodon [8] Thrausmosaurus. Fox. 1962. Valid. Lower Permian [17] United States of America [17] The type species, T. serratidens, was declared to be a nomen dubium [17] Trichasaurus. Williston. 1913. Valid. Lower Permian [4 ...
Dimetrodon is an extinct genus of synapsid that lived during the Early Permian, around 299–270 million years ago (Ma). It is a member of the family Sphenacodontidae. The most prominent feature of Dimetrodon is the large sail on its back formed by elongated spines extending from the vertebrae. It walked on four legs and had a tall, curved ...
Pages for logged out editors learn more. Contributions; Talk; List of Dimetrodon species
Sphenacodontoidea is a node-based clade that is defined to include the most recent common ancestor of Sphenacodontidae and Therapsida and its descendants (including mammals). [1]
Restoration of two individuals of Sphenacodon. The skull is long, deep and narrow, an adaptation for strong jaw muscles. The front teeth are large and dagger-like, whereas the teeth in the sides and rear of the jaw are much smaller (hence the name of the well-known genus Dimetrodon – "two-measure tooth", although all members of the family have this attribute).