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Re: T-J Extinction event article (more media errors?)

>      I didn't know about the temporal extension of therapsids

Only tritylodontids.

> into the Early
> Cretaceous.  Will have to look into that.

Makoto Manabe, Paul M. Barrett, Shinji Isaji: A refugium for relicts?,
Nature 404, 953 (27 April 2000).

>      But as far as cladistically restricting Mammalia to the crown group

I don't advocate that, for the reasons you mention.

> And you don't want to get me started on a crown group
> Reptilia.

YUCK! %*)