? montanum Wortman, 1896 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Chordata class Mammalia order Perissodactyla family Equidae Name Homonyms ? montanum Dumort. ? montanum Wortman, 1896 ? montanum Brown, 1962 ? montanum Hansg. ? montanum A.B.Meyer, 1874