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Re: Non-serpentine lacertids (was RE:WHAT'S GOING ON?)



In a message dated 7/3/00 3:11:03 PM EST, tmk@dinosauricon.com writes:

<< Species are a separate issue. >>

No, they're not. Because when you get right down to it, when we distinguish a 
clade, then we must necessarily distinguish the unique common ancestor 
species of that clade from its own common ancestor species, which is not in 
that clade.