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Re: T. rex

On Sun, 7 Mar 1999, Patrick Norton wrote:

> 5) (?= Nanotyrannus lancensis Bakker et al., 1988) (= Albertosaurus
> megagracilis Paul 1988);

I've never heard of anyone directly sinking _A. megagracilis_ into _N.
lancensis_.  What I have heard is that both may be different growth stages
of _T. rex_, thus removing both these "species" from consideration as _T.
rex_'s closest competition.

Nick Pharris
Pacific Lutheran University
Tacoma, WA 98447
(253)535-7045