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Re: Coelurosauravus: glider? or bluffer?
Quoting "Robert J. Schenck" <firstname.lastname@example.org>:
> While they are dermal in origin, aren't they
> still bone?
> "The most diagnostic features of Coelurosauravus
> are the chameleon-like frill at the
> back of the skull roof, formed primarily by
> the squamosals, and the presence of numerous
> long, rodlike bones that supported a
> lateral gliding membrane"
> from Frey /et al/ SCIENCE VOL. 275 pg1451-2
> They also note that the structures have been
> mistaken for various other boney elements, such
> as ribs and even fin rays in fish.
Speaking of such, what about the pectoral fin rays of flying fish? These are
thin, bony rods not connected to the vertebral column but still strong enough
for use in gliding--perhaps they would form a good analogy for the rods of
Department of Linguistics
University of Michigan