Inostrancevia (Named in honour of Russian geologist A. Inostrantzev) was a propably the largest of gorgonopsid therapsids. It lived during late Permian period about 260 to 254 million years ago in Russia and was the top predator of the ecosystem.
Description[]
The total lenght of Inostrancevia was about 3.5 m and only the skull was 51 cm long. Like many other gorgonopsids, Inostrancevia was "saber-toothed" predator. It's upper canine teeth were 15 cm long and the animal also had large incisors. It had a slender body and quite short legs.
