User:ArthurWeasley/Oligocene
From Wikipedia, the free encyclopedia
Halitherium, Sirenia, Europe |
Palaeocastor, Castoridae, North America |
Eomys, rodent, Europe |
Janjucetus, Mysticeti, Australia |
Aetiocetus, Mysticeti, Oregon |
Merycoidodon, Oreodont, North America |