Full reference: O. P. Hay. 1899. On the Names of Certain North American Fossil Vertebrates. Science 9(225):593-594
Parent taxon: Tapiromorpha according to M. W. Colbert 2005
See also Alroy 2002, Carroll 1988, Colbert and Schoch 1998, Hay 1902, Holbrook 1999, Holbrook et al. 2004, Hooker and Dashzeveg 2004, Lucas and Kondrashov 2004, Peterson 1919, Prothero and Schoch 1989 and Radinsky 1963
Sister taxa: Ancylopoda, Breviodontidae, Cardiolophus, Ceratomorpha, Isectolophidae, Isectolophus, Kalakotia, Lophialetidae, Rhodopagidae, Systemodon, Isectolophomorpha, Rhinotapiromorpha
Subtaxa: Homogalax aureus Homogalax namadicus Homogalax primaevus Homogalax protapirinus Homogalax wutuensis
Type: Systemodon primaevus
Ecology: ground dwelling browser
Distribution:
• Eocene of China (2 collections), Kazakhstan (1), Mongolia (2), United States (163: Colorado, New Mexico, North Dakota, Virginia, Wyoming)
Total: 168 collections including 172 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.