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re: certhia

 S. Pickering wrote:

Has anyone yet done an osteological comparison (with
myological extrapolations) between pterosaurs and
pre-K/T feathered, flying and secondarily flightless,
theropods, and the extant species within Certhia, the
"treecreepers"? These interesting dinosaurs are
adapted to "walking" up the sides of trees, feeding on insects.

No comparisons as yet to my knowledge. As an aside, that is the pose I
present in the new Historical Biology paper for the origin of pterosaur
tree clinging -- plus add the forelimbs for grappling.

David Peters
St. Louis