Dimetrodon
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Dimetrodon is an extinct genus of sphenacodontid synapsid that lived during the Cisuralian to early Guadalupian epoch of the Permian period, around 294.1–271 million years ago. With most species measu
Dimetrodon incisivum 01
Maxilla of Dimetrodon borealis, the first Dimetrodon fossil to be described
Restoration of Dimetrodon and Edaphosaurus (background), Charles R. Knight, 1897
Restoration of D. giganhomogenes with exposed neural spine tips
Sphenacodontidae
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Sphenacodontidae is an extinct family of carnivorous sphenacodontian synapsids, known from the latest Carboniferous to the early Middle Permian. Primitive forms were generally small, but during the la
Dimetrodon
…Dimetrodon ( or ; lit. 'two measures of teeth') is an extinct genus of sphenacodontid synapsid that lived during the Cisuralian to early Guadalupian epoch of the Permian period, around 294.1–271 million years ago. With most species…
Life restoration of Secodontosaurus
Restoration of two individuals of Sphenacodon
Raranimus dashankouensis