Dinoceras
Di*noc"e*ras\, n. [NL., fr. Gr. ? terrible + ?, ?, horn.] (Paleon.) A genus of large extinct Eocene mammals from Wyoming; -- called also Uintatherium. See Illustration in Appendix. Note: They were herbivorous, and remarkable for three pairs of hornlike protuberances on the skull. The males were armed with a pair of powerful canine tusks.