biogeographic realm
broadest biogeographic division of the Earth's land surface
Neotropical realm
one of the Earth's eight biogeographic realms & six floristic kingdoms
Antarctic realm
one of the Earth's eight biogeographic realms
Nearctic realm
one of the Earth's eight biogeographic realms
Indo-Pacific
region of Earth's seas
Oceanian realm
one of the Earth's eight biogeographic realms
Palearctic realm
largest of the Earth's eight biogeographic realms
Holarctic realm
biogeographic realm
Australasian realm
one of the Earth's eight biogeographic realms