Lophialetidae

Mamalia punah dari eosin akhir

Bacaan lanjut
Holbrook, L.T.; Lucas, S.G.; Emry, R.J. (2004) "Skulls of the Eocene Perissodactyls (Mammalia) Homogalax and Isectolophus." Journal of Vertebrate Paleontology, Vol. 24 (4), pp. 951-956

Hulbert, R.C., Jr. (2005) "Late Miocene Tapirus (Mammalia, Perissodactylia) from Florida, With Description of a New Species, Tapirus webbi." Bulletin of the Florida Museum of Natural History, Vol. 45(4), pp. 465-494

Radinsky, L.B. (1969) "The Early Evolution of the Perissodactyla." Evolution, Vol. 23 (2), pp.308-328