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Fossil skull of Cynognathus crateronotus. Cynognathus is an extinct genus of large-bodied cynodont therapsid that lived in the Early and Middle Triassic. It is known from a single species, Cynognathus crateronotus. Cynognathus was a meter-long predator closely related to mammals and had an almost worldwide distribution. Fossils have so far been recovered from South Africa, South America, China and Antarctica.

Cynodont | Cynognathus crateronotus. A large carnivorous cynodont therapsid that ...

Art illustration - Prehistoric Mammals - Cynognathus: ("dog jaw") is sort represented by a unique species of therapsid (mammal-like reptiles), who lived middle and late Triassic period (between 245 and 208 million years). It measured approximately 1 meter. Its fossils have been found in South Africa, Argentina, China and Antarctica.

Chiniquodon is a genus of carnivorous cynodont, which lived during the early Late Triassic in South America. Chiniquodon is closely related to a contemporary genus, Probelesodon, and close to the ancestry of mammals.

from Twitter

NHMdinolab on

@NHMdinolab - Fabulous Erythrosaurus skull from the Triassic of South Africa @WitsUniversity #fossilfriday

Fossilised therapsid (pre-dinosaur), Karoo, South Africa

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fernanda castano on

Carnotaurus is a genus of large theropod dinosaur that lived in South America during the Late Cretaceous period, between about 72 and 69.9 million years ago. The only species is Carnotaurus sastrei.

from Luis V. Rey Updates Blog

Mammal Evolution

Cynognathus | Posted on June 29, 2012 by luisvrey

Buitreraptor gonzalezorum (Cretaceous, South America)