Merychippus californicus (Merriam, 1915) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Perissodactyla family Equidae genus Merychippus species Merychippus californicus Name Synonyms Stylonus californicus (Merriam, 1915) Homonyms Merychippus californicus (Merriam, 1915)