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Re: Lack of Sauropod Gastroliths - legal tender



so not only did dinosaurs invent flight before humans, they beat us to 
inventing currency too?

Chris Glen
(soon to return back to Australia, currently at Berkeley)

----- Original Message -----
From: Mark Hallett <marksabercat@yahoo.com>
Date: Friday, December 17, 2004 7:13 am
Subject: Lack of Sauropod Gastroliths

> If true, the lack of gastroliths in almost ANY
> sauropod presents quite a conundrum: if there was no
> gastric mill, how then did they process massive
> amounts of vegetation without any appreciable (except
> to a limited extent in some macronarians like
> Camarasaurus)oral processing? I suspect that the
> taphonomic conditions inherent in known sauropod
> preservation presented by O. Wing might habitually
> have been responsible for not being preserved in situ:
> besides the loss of `liths due to fluvitile action,
> the decaying stomach a dead sauropod might have been
> too convenient a source of gastrolith replenishment by
> others of its kind passing by, as well as perhaps
> other dinosaur herbivores.
> 
> --Mark Hallett  
> Note: forwarded message attached.
> 
> 
> 
>               
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