Utahraptor ostrommaysi Kirkland et al., 1993 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Dromaeosauridae genus Utahraptor species Utahraptor ostrommaysi Name Synonyms Utahraptor ostrommaysorum Kirkland et al., 1993 Homonyms Utahraptor ostrommaysi Kirkland et al., 1993