Relating to or characteristic of the Arctogaea biogeographic region and the animals found in Northern Hemisphere landmasses.
From 'Arctogaea' (the northern earth region) combined with the adjectival suffix '-al', forming the adjective meaning 'of or pertaining to.'
When a zoologist describes an animal as 'arctogaeal,' they're giving you a secret code: this creature evolved in the Northern Hemisphere and likely shares ancestors with other arctic species across continents.
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