BothriodonBothriodon, "teeth" ) is an extinct genus of anthracotheriid artiodactyl from the late Eocene to early Oligocene of Asia, Europe, and North America.DescriptionBothriodon was about the size of a large pig, reaching an estimated weight of more than 199 kg. Bothriodon possesses molars transitional between bunodont and selenodont in morphology. Alongside this, the upper molars possess 5 cusps as opposed to the derived 4. They also possessed a reduced pollex on the 5 toed manus.