Equus mexicanus Hibbard, 1955 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Perissodactyla family Equidae genus Equus species Equus mexicanus Name Synonyms Equus midlandensis Quinn, 1957 Onager oviedoi Mooser, 1959 Homonyms Equus mexicanus Hibbard, 1955