Biarmosuchus tener Chudinov, 1960 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata genus Biarmosuchus species Biarmosuchus tener Name Synonyms Biarmosaurus antecessor Chudinov, 1960 Biarmosuchus antecessor Tchudinov, 1960 Ivantosaurus ensifer Chudinov, 1983 Ivantosaurus signifer Tatarinov, 1974 Homonyms Biarmosuchus tener Chudinov, 1960