Brule FormationW
Brule Formation
Otodus angustidensW
Otodus angustidens
Columbia River Basalt GroupW
Columbia River Basalt Group
ConiophisW
Coniophis
CynthiacetusW
Cynthiacetus
EpihippusW
Epihippus
EuclastesW
Euclastes
Ferris FormationW
Ferris Formation
Laramide orogenyW
Laramide orogeny
LeptomeryxW
Leptomeryx
Marysvale volcanic fieldW
Marysvale volcanic field
OrohippusW
Orohippus
Otodus auriculatusW
Otodus auriculatus
White River FormationW
White River Formation
Wilcox GroupW
Wilcox Group
XiphiorhynchusW
Xiphiorhynchus