Mammals of Paleocene and Eocene North America
Four of the five mammalian orders in this drawing are now extinct. Only the Dermopterans or Flying Lemurs (represented here by Planetotherium) are still extant.
Top Left: Planetotherium, Order Dermoptera
Large Animals, Middle Left and Right: Barylambda and Pantolambda, both of Order Pantodonta
Small Animal Middle Left: Paleoryctes, Order Cimolesta
Bottom Left: Diacodon, Order Leptictida
Bottom Right: Stylinodon, Order Taeniodonta (The only Eocene mammal illustrated here. All others are of the Paleocene)