Lecture 22 (JL's)

Lecture 22 (JL's) - Lecture 22 Lecture 21 overview- Only...

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Unformatted text preview: Lecture 22 Lecture 21 overview- Only Australia have the surviving marsupials - There was placenta which can be traced back to early cretaceous - Dermotera said to be related to be primates- Rodentia is close to primates- Xenathra south American forms - Hoof animals can be traced back to Paleocene - Three groups taper rhino and horse group left in the odd toed Lecture 22 Geography and Evolution in the Cenozoic How were continents arranged in the Cenozoic?- End of Paleocene looks similar todays continents alignment- No connection of north and south America and Africa and Arabia - Connection between south America and Antarctica- Connection between Antarctica and Australia- India was floating in the middle, and no Himalaya mountains. Why are marsupials dominant in Australia?- Australia disconnected from Antarctica pretty early during the Cenozoic- Marsupials can start from asia and moving towards north America from Europe (during pangea or land bridges between the continents) during cretaceous move...
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This note was uploaded on 08/30/2011 for the course GEL 3 taught by Professor Motani,r during the Spring '08 term at UC Davis.

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Lecture 22 (JL's) - Lecture 22 Lecture 21 overview- Only...

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