Hexaprotodon liberiensis Morton 1849

Wilson, Don E. & Reeder, DeeAnn, 2005, Order Artiodactyla, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 637-722 : 644

Hexaprotodon liberiensis Morton 1849

Hexaprotodon 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".

Vernacular Names: Pygmy Hippopotamus.

Subspecies: :

Subspecies Hexaprotodon liberiensis subsp. liberiensis Morton 1849

Subspecies Hexaprotodon liberiensis subsp. heslopi Corbet 1969

Distribution: Sierra Leone to Côte d’Ivoire; SC Nigeria (extinct?).

Conservation: CITES – Appendix II; IUCN – Critically Endangered D1 as H. l. heslopi, otherwise Vulnerable.

Discussion: First described as Hippopotamus minor Morton, 1844 (Proc. Acad. Nat. Sci. Phila., 2:14).