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Re: Gastralia

> I need to know more about the distribution of gastralia (belly or ventral 
> ribs) among dinosaur groups.  I have seen gastralia in sketches and 
> displays of theropods.  I have also been told that they occur in sauropods 
> with Camarosaurus being the first recorded.  I believe Ken Carpenter once 
> told me that they may have occurred widely among sauropods.  Does anyone 
> know if they are found in ornithiscians??  Any and all info is 
> appreciated; references would be helpful.

the pachycephalosaur Stegoceras is known to have gastralia

---John Schneiderman (dino@revelation.unomaha.edu)