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Hmmm... I remember reading a paper on the absence of suspension feeders among
marine reptiles, and IIRC, the author(s) noted that the marine reptiles (and
other primitive tetrapods) were unable to separate portions of the
oropharyngeal cavity - an apparently integral feature in the development of
Is it possible that a similar problem arose for the pterosaurs? Maybe their
wing structure prevented them from adapting to the high-speed &
high-manoeuvrability seen in contemporary raptors?