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Fw: pterosaur femora sprawl
> > > True. But no pterosaurs walked, bipedally or quadrupedally, with a
> > > horizontal backbone.
> > Quetzalcoatlus can, due to the remarkable bony support shelves at the
> > shoulder and elbow that carry the weight when the elbow is raised well
> > above
> > the shoulder.. However, that doesn't mean that they did -- walking in that
> > configuration requires a reversal of the normal direction of the walking
> > shoulder articulation.
> Every pterosaur could get their backbone horizontal. That's how they rested.
> you suggest, walking requires an elevation of the shoulder to align the axes
> match the tracks.
> > Are you saying that azhdarchids were not soarers?
> You're reading too much into it. I think the question was about which were
> beachcoming taxa, the kind that had flat feet and made prints.
> > JimC