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Re: pneumatization

Dinogeorge@aol.com wrote:
> 
> In a message dated 9/3/99 10:14:43 AM EST, jwillson@harper.cc.il.us writes:
> 
> << The only known groups of tetrapods with pneumatization are:
> 
>  1) Birds
>  2) Pterosaurs
>  3) Sauropods
>  4) Theropods
> 
>  - right?
> 
>  No mammals, no non-archosaurian reptiles? >>
> 
> You can add small prosauropods to this list. 
\


Likewise crocodylomorphs, at least in the skull.  And mammals.

chris

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Christopher A. Brochu
Department of Geology
Field Museum of Natural History
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