†Parvicornus Mihlbachler & Demere 2009

Mihlbachler & Demere 2009. A new species of Brontotheriidae (Perissodactyla, Mammalia) from the Santiago Formation (Duchesnean, Middle Eocene) of southern California. Proceedings of the San Diego Society of Natural History, 41, Dec 31 2009: 1-36