User:ArthurWeasley/Oligocene

• 
  Halitherium, Sirenia, Europe
• 
  Palaeocastor, Castoridae, North America
• 
  Eomys, rodent, Europe
• 
  Janjucetus, Mysticeti, Australia
• 
  Aetiocetus, Mysticeti, Oregon
• 
  Merycoidodon, Oreodont, North America
• 
  Copepteryx, Plotopterid, Japan
• 
  Leptomeryx, North America