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Re: Ornithodira, breathing with long necks



On Thu, 12 Apr 2001, Demetrios M. Vital wrote:

> > As for avian-style (technically, neornithean-style) lungs, might
> > pneumaticity in the skeleton be some indication for this? (air sacs)
>
> As I understand it from HP Nicholas Geist, there are extant lizards with
> lung diverticulae not associated with an air sac system.

In the skeletal details of the pneumaticity, do _Sauropoda_ resemble these
lizards or _Neornithes_ more? (Or neither?)

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