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Re: questions about the Odontochelys study

--- On Sun, 11/30/08, T. Michael Keesey <keesey@gmail.com> wrote:

> Related question: why have no terrestrial testudines lost
> the
> plastron? Or even just reduced it? The only testudines with
> reduced
> plastra that I can think of are chelydrids (snapping
> turtles), and
> those are aquatic. Am I missing any other examples?
> -- 
> T. Michael Keesey
> Technical Consultant and Developer, Internet Technologies
> Glendale, California


There is at least one terrestrial chelonian with a reduced plastron. The 
pancake tortoises of Africa (_Malacochersis_) show substantial reduction of the 
plastron; which partly aids in their scansorial outings.