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Re: body size and competition cont.



In a message dated 98-05-04 15:10:43 EDT, th81@umail.umd.edu writes:

<< To put the question of size into perspective:
 When do the largest sauropods with bones in collections occur?  The
Cretaceous.
 When do the largest theropods occur?  The Cretaceous.
 When do the largest thyreophorans occur?  The Cretaceous.
 When do the largest ornithopods occur?  The Cretaceous, by a long shot!
 When do the largest marginocephalians occur?  The Cretaceous  (not
 surprising, given the lack of a Jurassic margino record...). >>

Boy, does this ever sound like Cope's Tendency (in these groups, anyway).