. "About: Species Hexaprotodon liberiensis, Family Hippopotamidae" . "Peter J. DeVries" . . . . . . . . "2010-07-15T12:42:09-0500" . . "en" . "http://lod.geospecies.org/ses/XVutr.rdf" . "GeoSpecies Knowledge Base RDF: Species Hexaprotodon liberiensis" . .