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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 sphenacodontid synapsid tetrapods that lived during the Cisuralian age of the Early Permian period, around 295–272 million years ago.
Restoration of D. giganhomogenes with exposed neural spine tips †Dimetrodon – type locality for genus †Dimetrodon booneorum – type locality for species †Dimetrodon dollovianus – type locality for species †Dimetrodon gigashomogenes – type locality for species †Dimetrodon grandis – type locality for species
Life restoration of the Permian synapsid (mammal precursor) Dimetrodon †Dimetrodon †Dimetrodon dollovianus †Dimetrodon limbatus – or unidentified comparable form †Dimetrodon loomisi †Dimetrodon macrospondylus †Diplocaulus – type locality for genus †Diplocaulus magnicornis †Diplograptus †Discitoceras
Life restoration of the Permian synapsid (mammal precursor) Dimetrodon †Dimetrodon †Dimetrodon dollovianus †Dimetrodon limbatus – or unidentified comparable form †Dimetrodon loomisi †Dimetrodon macrospondylus †Diphuicrinus †Diphuicrinus croneisi †Diphuicrinus dovelyensis †Diphuicrinus faustus – type locality for species
Fossil remains of many Permian tetrapods (four-limbed vertebrates) have been found in the Red Beds, including those of Dimetrodon, Edaphosaurus, Seymouria, Platyhystrix, and Eryops. A recurring feature in many of these animals is the sail structure on their backs. [3] Edaphosaurus pogonias and Platyhystrix
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]
†Dimetrodon dollovianus – type locality for species †Dimetrodon gigashomogenes – type locality for species †Dimetrodon grandis – type locality for species †Dimetrodon kempae – type locality for species †Dimetrodon limbatus – type locality for species †Dimetrodon loomisi – type locality for species
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.