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Re: two or three sacral vertebrae?
> >Bottom line question: What IS the minimum sacral vertebrae count for
Interestingly, the paper by Paul Sereno and co. on _Eoraptor_
describes this theropod as having three sacral vertebrae. _Eoraptor_
is regarded as more primitive than the herrerasaurids. But I don't
believe this paper differentiated between "partly" and "fully"