Temporal range: Permian – Upper Triassic
Descendant taxon Mammalia survives to present
with massive attachments for jaw muscles
The Cynodonts are a sub-order of the Therapsida. Cynodonts, one of the most diverse groups of therapsids, are named after their dog-like teeth.
The extinct members of the group were victims of the End-Triassic extinction event, but the line that led to the mammals survived.
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Cynodont Facts for Kids. Kiddle Encyclopedia.