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Re: Segnosaurs Analyzed as Prosauropods

Is _Efraasia_ a separate OTU from _Sellosaurus_?

I was under the impression that the _Efraasia_ specimen (_Palaeosaurus
disagosticus_) was a juvenile _Sellosaurus_; and that many of its
"primitive" characters were therefore juvenile traits.

         |    |__Yunnanosaurus


Timothy J. Williams

USDA/ARS Researcher
Agronomy Hall
Iowa State University
Ames IA 50014

Phone: 515 294 9233
Fax:   515 294 3163

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