[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Combined answer Archaeopteryx running...
Williams, Tim wrote:
> > > Did the immediate ancestors of the Pterosauria retain a prehensile
> > >manus, or was it absorbed into the flight surface from the get-go?
> >It was never absorbed into the flight surface.
> The 4th manual digit was integrated into the pterosaur flight surface. It's
> indispensable in this respect.
The 3 free fingers were never absorbed into the flight surface. They
constituted the hand, which remained free. I will of course accept Chris's
statement on Nyctosaurus' missing hand. Hadn't heard that before. Thanks.