Inostranceviinae

Inostranceviinae is an extinct subfamily of gorgonopsid therapsids that lived during the Late Permian. Only two genera are known, both from Russia.^[2]

Inostranceviines Temporal range: Lopingian, 260–251.9 Ma PreꞒ Ꞓ O S D C P T J K Pg N It is possible that they developed as early as the Wordian era.
Visualized head of Inostrancevia latifrons.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Clade:	Therapsida
Clade:	†Gorgonopsia
Family:	†Gorgonopsidae
Subfamily:	†Inostranceviinae Pravoslavlev, 1927[1]
Genera
†Inostrancevia †Pravoslavlevia