Chirostenotes pergracilis Gilmore, 1924 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Caenagnathidae genus Chirostenotes species Chirostenotes pergracilis Name Synonyms Caenagnathus sternbergi (Cracraft, 1971) Chirostenotes sternbergi (Cracraft, 1971) Macrophalangia canadensis Sternberg, 1932 Homonyms Chirostenotes pergracilis Gilmore, 1924