
Arctogaea 1. A biogeographical and zoogeographical area, or division, comprising the Holarctic (regions of North America, Europe, and Asia combined, which share many faunal characteristics), Ethiopian, and Oriental regions. 2. Etymology: Greek Arktos, 'Great Bear' plus gaia, 'earth'. Other forms include: Arctogaean, Arctogean, Arctogaeal, Arctoge...
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a biogeographical division comprising the Holarctic and Paleotropical regions.
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https://www.infoplease.com/dictionary/arctogaea
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