Protungulatum ('first ungulate') is a extinct genus of eutherian mammals within extinct family Protungulatidae,Sankar Chatterjee, Christopher R. Scotese, Sunil Bajpai (2017.) "Indian Plate and Its Epic Voyage from Gondwana to Asia: Its Tectonic, Paleoclimatic and Paleobiogeographic Evolution", Geological Society of America and is possibly one of the earliest known placental mammals in the fossil record, that lived in North America from the Late Cretaceous to early Paleocene.Z. Kielan-Jaworowska, R. L. Cifelli and Z. X. Luo (2004.) "Mammals from the age of dinosaurs: Origins, evolution, and structure." Columbia University Press, New York 1-630Maeva Orliac (2016.) "The inner ear of Protungulatum (Pan-Euungulata, Mammalia)" Journal of Mammalian Evolution 23(4)
