In a message dated 7/26/06 8:11:59 AM, john.a.conway@gmail.com writes:
<< I don't believe any fuzz has been preserved on pterosaur wings. Which
isn't too surprising, considering it wouldn't be particularly
advantageous aerodynamically speaking. >>
Some fast flying bats have vertically oriented, smooth surfaced fur filling
in between the narrow zones around the arms onto the membranes for
streamlining.
GSPaul