MylagaulusMylagaulus is an extinct genus of rodents in the family Mylagaulidae. Mylagaulus lived in the Americas during the middle to late Miocene.DescriptionSimilar to the related genus Ceratogaulus, one species of Mylagaulus bore horns on the nasal bone, M. cornusaulax. The osteology of the genus suggests it was fossorial, including a robust ulna and a deep ungual phalanx. The skull is wider than it is long, with broad zygomastes, and the cheek teeth are hypsodont. The dental formula of Mylagaulus is.ClassificationMylagaulus is placed within Mylagaulidae, close to Ceratogaulus. Historically, some species of Mylagaulus have been placed within Ceratogaulus and visa vera.