Perisoreus infaustus ostjakorum Sushkin & Stegmann, 1929 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Chordata class Aves order Passeriformes family Corvidae genus Perisoreus species Perisoreus infaustus Name Homonyms Perisoreus infaustus ostjakorum Sushkin & Stegmann, 1929