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Re: New BBC series research



On Wed, Nov 4, 2009 at 8:40 AM, K and T Dykes <ktdykes@arcor.de> wrote:
>
> /Castorocauda/, a perhaps Middle Jurassic (or maybe later) docodont
[...]
> /Xenocretosuchus/ of Siberia and a couple of not yet described tritylodontid
> Lower Cretaceous colleagues from Japan. ÂTis oft assumed that non-mammalian
> cynodonts saw their mammalian 'descendants', and were so impressed with
> mammals that the non-mammal cynos all dropped dead.

Hehe! I think that's true of many other faunal turnovers as well...

> Xenocret and Co
> demonstrate non-mammalian cynodonts were still breeding well into the
> Cretaceous.

Strictly speaking, _Castorocauda_ is a Cretaceous non-mammalian
cynodont as well.

Excellent pitch -- I'd rather like to see that now.
-- 
T. Michael Keesey
Technical Consultant and Developer, Internet Technologies
Glendale, California
http://tmkeesey.net/