Faunal exchange2

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Unformatted text preview: Great Mammalian Great Mammalian Faunal Interchange By: Chad Cryer Historical Tectonic Historical Tectonic Plate Movements Prototheria Metatheria Only in Australia Diversified in S.A & Australia Eutheria Diversified in N.A. & Asia North America ( Nearctic) North America ( Nearctic) South America ( Neotropical) Before 5 mya S.A. was an Island N. A. still had connections with Asia & Europe Two mammalian biotas meet after 150 millions years of separation North American Fauna North American Fauna Largely allochthonous Eutheres “Worldly Wise” – survivor...
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This note was uploaded on 10/02/2011 for the course BIOL 1407 taught by Professor Lisagloyna during the Spring '09 term at Austin Community College.

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