. . "Oreinotherium is a genus of brontothere. According to one source, the species of Oreinotherium are merged into the genus Megacerops."@en . "Oreinotherium"@en . "Mammalia"@en . "Genus"@en . . "Oreinotherium"@en . . "Oreinotherium"@en . "Oreinotherium is a genus of brontothere. According to one source, the species of Oreinotherium are merged into the genus Megacerops."@en . . "Family"@en . . . "Class"@en . "Order"@en . .