Cyonosaurus is a genus of gorgonopsian therapsids from the Late Permian of South Africa and Zambia. The type species Cyonosaurus longiceps was named in 1937. Cyonosaurus had a skull length between . However, an unnamed species of Cyonosaurus was noted to have a skull length of . Originally, some have been reported from Early Triassic strata, but further investigation revealed that these reports were erroneous. Suggesting that Cyonosaurus went extinct during the Permian-Triassic mass extinction.
See also
List of therapsids
References