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Re: Tertiary mammals in the Cretaceaous

Joe Daniel writes;

>I have been reading Raup's book "The Nemesis Affair."  Yes I know it's a 
>tad old.  But he mentions that several Tertiary type mammals have been 
>found in the Cretaceous well before the meteorite impact.  Being pretty 
>clueless about early mammals, can anybody give some idea what he's 
>talking about?

The most common mammals at the time were:
        -Insectivores (a generic placental)
        -Marsupials (an equally generic critter)
        -Multituberculates (in a rodent-like niche)

Rob Meyerson
Orphan Vertebrate Paleontologist

When the going gets wierd, the wierd turn pro.