Cynognathia

Cynognathia ("dog jaw") is one of two major clades of cynodonts, the other being Probainognathia. Cynognathians included the large carnivorous genus Cynognathus and the herbivorous traversodontids. Cynognathians can be identified by several synapomorphies including a very deep zygomatic arch that extends above the middle of the orbit. The cynognathians are the longest-lived non-mammalian therapsid clade extending from Triassic to the Late Triassic.

Cynognathia
Temporal range: Early Triassic to Early Jurassic
Skull of the cynognathian Cynognathus crateronotus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Therapsida
Clade: Cynodontia
Clade: Eucynodontia
(unranked): †Cynognathia
Hopson and Barghusen, 1986

Cynognathian fossils are currently known from South America, Antarctica, and South Africa.

Taxonomy
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See also
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