Patagorhacos terrificus Agnolin & Chafrat, 2015 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Aves order Gruiformes family Phorusrhacidae genus Patagorhacos species Patagorhacos terrificus Name Homonyms Patagorhacos terrificus Agnolin & Chafrat, 2015