? impressus Ameghino, 1888 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Chordata class Mammalia family Hegetotheriidae Name Homonyms ? impressus Waagen, 1895 ? impressus Lamarck, 1818 ? impressus Ren, 1995 ? impressus Ameghino, 1888 ? impressus Provancher, 1875 ? impressus Smith, 1848 ? impressus Yeh, 1963 ? impressus Toula, 1875 ? impressus Gabb, 1864 ? impressus Gabb, 1864