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Re: FEATHERS AND FEATHER-LIKE STRUCTURES AS AN ORNITHODIRAN SYNAPOMORPHY



Peter Buchholz wrote:

>There is evidence of hollow filiments or fibres in pterosaurs that appear to
>be rather straight (stiff).  This is remarkibly similar to the condition of
>the fibres seen in Sinosauropteryx.  It is my position that these are
>homologous to eachother and to feather rachi.  If this turns out to be the
>case, it is most parsimonious to assume that ornithischians (and sauropods)
>had similar skin structures.


I very much support this motion!


Luis Rey

Visit my website on  http://www.ndirect.co.uk/~luisrey