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Re: Big = Old = Advanced?

On 20 Aug 97 14:16:00 EDT, you wrote:

>Offhand, I can't think of any "big-animal" group that comes from
>big-animals.  (Hadrosaurs?) If this is actually the case, it
>has some interesting consequences.  Among other things, it would suggest
>that once all members of a group were Living Large, the future diversity
>of that group was limited.

Crocodilians excluded?

"You're dirty, sweet, with a hubcap diamond-star halo... she's dirty, sweet, 
and she's my girl" - T. Rex