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on the vrtplaeo list Arthur Harris wrote:
> In bats, the wing membrane is supported by digits II through V, while
> pterosaurs lacked the fifth digit and the wing membrane was supported
> entirely by the fourth digit.
and in another posting on the dinosaur mailing list, Jonathon Wagner
> I don't know why no one has brought this up, but it has been
>suggested (I believe Dinogeorge knows the references...) that the pteroid
>bone of pterosaurs is in fact the first digit and the wing finger is the fifth.
would anyone have any references to the construction and evolution of
the hand/wing of pterosaurs (I'm interested in BOTH rhamphorynchids and
pterodactylids) , whether in support for arguement number 1 or for
arguement number 2?
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