hypothesis of homology between the horns of Ramoceros and Merriamoceros, with young Merriamoceros presenting three horns, reminiscent of those of Paramoceros...

Cosoryx cerroensis Cosoryx furcatus Cosoryx ilfonensis Genus †Merriamoceros Merriamoceros coronatus Genus †Merycodus (syn. Meryceros and Submeryceros)...

is the only surviving remnant of the entire family Antilocapridae. Merriamoceros was originally placed in Ramoceros (as Ramoceros coronatus). Ramoceros...

Chordata Class: Mammalia Order: Artiodactyla Family: Antilocapridae Subfamily: †Merycodontinae Genera Cosoryx Merriamoceros Merycodus Paracosoryx Ramoceros...

columbi †Mammuthus primigenius †Megalonyx †Megalonyx jeffersonii †Menops †Merriamoceros †Mesonyx †Mesonyx obtusidens †Metaliomys – type locality for genus †Metarhinus...

gigas †Melastomites †Melastomites montanensis †Meniscomys †Menodus †Merriamoceros †Merychippus †Merychippus sejunctus †Merychyus †Merychyus arenarum –...

for species †Megalonyx †Megalonyx jeffersonii †Menops †Menops marshi †Merriamoceros †Mesomeryx – type locality for genus †Mesomeryx grangeri – type locality...

†Megalonyx †Megalonyx jeffersonii †Megantereon †Megatylopus †Menodus †Merriamoceros †Merychippus †Merychippus sejunctus †Merychyus †Merycochoerus †Merycodus...

locality for genus †Merriamina ectenes – type locality for species †Merriamoceros †Merriamoceros coronatus – type locality for species †Merychippus †Merychippus...

Meretrix Mergus †Mergus serrator Merluccius †Merluccius productus †Merriamoceros †Merychippus †Merychyus †Merycodus Mesalia †Mesocyon †Mesodma – tentative...