Inostrancevia alexandri Amalitski, 1922 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Gorgonopidae genus Inostrancevia species Inostrancevia alexandri Name Synonyms Inostrancevia proclivis Pravoslavlev, 1927 Homonyms Inostrancevia alexandri Amalitski, 1922