Oreas, ii. [223]

Oreicola, ii. [260]

Oreinus, ii. [452]

Oreocephalus, ii. [401]

Oreocincla, ii. [256]

Oreodeira, ii. [401]

Oreodon, N. American Tertiary, i. 138

Oreodontidæ, N. American Tertiary, i. 138

Oreœca, ii. [271]

Oreomanes, ii. [278]