
D. tenuitectus Cope, 1896 D. carinatus (Case & Williston, 1912) D. sanmiguelensis Lewis & Vaughn, 1965 D. absitus Berman et al., 1998 | synonyms = Nothodon Marsh, 1878 Empedocles Cope, 1878 Helodectes Cope, 1880 Empedias Cope, 1883 Chilonyx Cope, 1883 Bolbodon Cope, 1896 Diadectoides Case, 1911 Diadectes was a heavily built animal, 1.5 to 3 meters...
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http://en.wikipedia.org/wiki/Diadectes

extinct genus of tetrapods closely related to the first amniotes (mammals, birds, reptiles, and their relatives). Members of this genus have been ... [1 related articles]
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http://www.britannica.com/eb/a-z/d/41

Diadectes is a genus of land-dwelling, quadrupedal, plant-eaters that lived during the Permian period , about 280-250 million year ago. This stegocephalian had a reptilian body, but an amphibian-like skull (similar to the skull of Seymoria ). (Diadectomorphs)
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
No exact match found.