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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.
A trio of three juvenile Diplocaulus in a burrow of eight (plus one juvenile Eryops) were found to have been partially eaten by the sail-backed synapsid Dimetrodon, which likely unearthed the amphibians during a drought. One of the three was killed with a bite to the head, taking part of its skull and portions of the brain, a fatal injury that ...
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.
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.
Lystrosaurus (/ ˌ l ɪ s t r oʊ ˈ s ɔːr ə s /; 'shovel lizard'; proper Ancient Greek is λίστρον lístron ‘tool for leveling or smoothing, shovel, spade, hoe’) is an extinct genus of herbivorous dicynodont therapsids from the late Permian and Early Triassic epochs (around 248 million years ago).
Size comparison of some species of Edaphosaurus.. Edaphosaurus species measured from 0.5 to 3.5 metres (1.6 to 11.5 ft) in length and weighed over 300 kg (660 lb). [5] In keeping with its tiny head, the cervical vertebrae are reduced in length, while the dorsal vertebrae are massive, the tail is deep, the limbs are short and robust, and the ribs form a wide ribcage.
Moschops (Ancient Greek for "calf face") is an extinct genus of therapsids that lived in the Guadalupian epoch, around 265–260 million years ago.They were heavily built plant eaters, and they may have lived partly in water, as hippopotamuses do.
Dimorphodon (/ d aɪ ˈ m ɔːr f ə d ɒ n / dy-MOR-fə-don) was a genus of medium-sized pterosaur from Europe during the early Jurassic Period (about 201-191 million years ago). [1] It was named by paleontologist Richard Owen in 1859.