Protoceratops andrewsi Granger & Gregory, 1923 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Protoceratopsidae genus Protoceratops species Protoceratops andrewsi Name Synonyms Bainoceratops efremovi Tereshchenko & Alifanov, 2003 Proceratops andrewsi Granger & Gregory, 1923 Homonyms Protoceratops andrewsi Granger & Gregory, 1923