Mammalia - Sirenia - Dugongidae

Full reference: F. J. Aranda-Manteca, D. P. Domning, and L. G. Barnes. 1994. A new middle Miocene sirenian of the genus Metaxytherium from Baja California and California: Relationships and paleobiogeographic implications. Proceedings of the San Diego Society of Natural History 29:191-204

Belongs to Metaxytherium according to D. P. Domning 2008

Sister taxa: Metaxytherium aquitaniae, Metaxytherium crataegense, Metaxytherium floridanum, Metaxytherium krahuletzi, Metaxytherium lovisati, Metaxytherium medium, Metaxytherium riveroi, Metaxytherium serresii, Metaxytherium subapenninum

Type specimen: FCM 3693, a partial skeleton. Its type locality is La Mision, which is in a Burdigalian marine sandstone in the Rosarito Beach Formation of Mexico.

Ecology: aquatic herbivore