Hexaprotodon liberiensis subsp. liberiensis Morton 1849
Hexaprotodon liberiensis subsp. liberiensis Morton 1849, J. Acad. Nat. Sci. Philadelphia, ser. 2, 1: 232.
Type Locality: Liberia, "the river St. Pauls, a stream that rises in the mountains of Guinea, and passing through the Dey country and Liberia, empties into the Atlantic to the north of Cape Messurado".
Synonyms: Hexaprotodon liberiensis subsp. minor (Morton 1844) .