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re: pygostyle

John R. Hutchinson wrote:


Whoa, hold on here.  That is incorrect.  As Chiappe (1996; Munchner
Geowissenschaftliche Abhandlungen Reihe A 30:215) noted, "Contrary to
Alvarenga & Bonaparte (1992), it is not known whether there was a
pygostyle."  I have examined all of the known specimens and I concur; you
cannot tell.  There are 5 or more free caudals; that's all you can say
about the tail,...

The rather tall caudal neural spines, though, suggests that _Patagopteryx_'s tail might be long rather than short.


Tim

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