Cranioceras(Matthew, 1918) is an extinct genus of  even-toed ungulates of the Palaeomerycidae family from the class Mammalia from the Miocene to the Pliocene in the United States.
Cranioceras is an extinct genus of artiodactyl from the Miocene to the Pliocene in the United States. The even-toed ungulates (Artiodactyla /rtiodktl/, from Ancient Greek , artios 'even', and , daktylos 'finger / toe') are ungulateshoofed animalswhich bear weight equally on two (an even number) of their five toes: the third and fourth. Genus: Cranioceras
Matthew, 1918 Family: Palaeomerycidae Class: Mammalia 
