Theosodon gracilis Ameghino, 1891 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia family Macraucheniidae genus Theosodon species Theosodon gracilis Name Synonyms Theosodon debilis Mercerat, 1891 Theosodon patagonensis Mercerat, 1891 Homonyms Theosodon gracilis Ameghino, 1891