Threatened Palaearctic faunal realm


  • Threatened Palaearctic biogeographic faunal subregion

Background

The Palaearctic biogeographic realm was a part of the Arctogaean faunal realm in the older system which divided the globe into three faunal realms: Neogaean (New World), Notogaean (Australasia) and Arctogaean (Old World).


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