From: ANN SCHMIDT <ashmidt@flash.net>
To: twilliams_alpha@hotmail.com
Subject: Quit Sending me this shit
Date: Thu, 3 Jun 2004 12:46:34 -0700 (PDT)
--- Tim Williams <twilliams_alpha@hotmail.com> wrote:
> Aegyptiacus@aol.com wrote:
>
>
> >excuse my ignorance, I thought Ankylosaurs were
> more or less cretaceous.
> >How can an ankylosaur print date from 170 mya (is
> that middle Jurassic
> >Bathonian/Bajocian)?
>
> Ankylosaurs (or putative ankylosaurs) are known from
> the Middle Jurassic:
> _Sarcolestes leedsi_ (Callovian) and _Tianchiasaurus
> nedegoapeferkima_
> (Bathonian/Bajocian).
>
> Several ankylosaur genera are known from the Late
> Jurassic, including
> _Mymoorapelta_ and _Gargoyleosaurus_ from the
> Morrison Formation, and some
> poorly known European taxa such as _Cryptosaurus_
> (unnecessarily renamed
> _Cryptodraco_), _Priodontognathus_ and _Dracopelta_.
>
>
> Tim
>
>
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