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Re: Fwd: Re: Dominant Mesozoic varanids?
Larry Dunn wrote:
> >I'm sure some smart Alec is going to say 'Mosasaurus'.
> Not so smart, actually. That response A) totally ignores the context of
> the question and B) skips over the fact that the mosasaur-varanid
> connection has been called into question lately. I believe that
> mosasaurs are now thought to have been more closely related to snakes.
Yes and no. Last I heard, mosasaurs are still considered to be
_descended_ from varanids. However, on the evidence of the 'legged
snake' _Pachyrachis_, mosasaurs are thought to be ancestral or at least
a sister-group to snakes.
-- Jon W.