Name: Inostrancevia ‭(‬After Aleksandr Inostrantsev‭)‬.
Phonetic: In-oh-stran-see-ve-ah.
Named By: Vladimir P.‭ ‬Amalitsky‭ ‬-‭ ‬1922.
Synonyms: Amalitzkia.
Classification: Chordata,‭ ‬Synapsida,‭ ‬Therapsida,‭ ‬Gorgonopsidae.
Species: I.‭ ‬alexandri‭ (‬type‭)‬,‭ ‬I.‭ ‬latifrons,‭ ‬I.‭ ‬uralensis.
Diet: Carnivore.
Size: Total length up to‭ ‬3.5‭ ‬meters long.‭ ‬Skulls up to‭ ‬60‭ ‬centimetres long.
Known locations: Russia.
Time period: Wuchiapingian of the Permian.
Fossil representation: Several individuals,‭ ‬some almost complete.

       The genus Inostrancevia is one of if not the largest gorgonopsid to every walk the Earth.‭ ‬At up to three and a half meters long there is little doubt that Inostrancevia would have been the apex predator of its environment,‭ ‬hunting other large vertebrates which may have included large and armoured pareiasaurs such as‭ ‬Scutosaurus.‭ ‬As would be the expected the skull is large and robustly constructed with upper canine teeth that grew up to fifteen centimetres long.‭ ‬It is the combination of the teeth and skull mounted on a powerful body that may have been the key to defeating the armour of such prey.

Further reading
-‭ ‬Diagnoses of the new forms of vertebrates and plants from the upper Permian of North Dvina‭ ‬-‭ ‬Bulletin of the Russian Academy of Sciences.‭ ‬16‭ (‬6‭)‬:‭ ‬329‭–‬340‭ ‬-‭ ‬Vladimir P.‭ ‬Amalitsky‭ ‬-‭ ‬1922.
-‭ ‬Gorgonopsidae from the North Dvinsky excavations of V.‭ ‬P.‭ ‬Amalitsky‭ ‬-‭ ‬Academy of Sciences of the Union of Soviet Socialist Republics‭ ‬-‭ ‬P.‭ ‬A.‭ ‬Pravoslavlev‭ ‬-‭ ‬1927.
-‭ ‬Tetrapods from the East European Placket—Late Paleozoic Natural Territorial Complex‭ ‬-‭ ‬Proceedings of the Paleontological Institute of the Russian Academy of Sciences‭ ‬283:‭ ‬1‭–‬200‭ ‬-‭ ‬M.‭ ‬F.‭ ‬Ivakhenko‭ ‬-‭ ‬2001.


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