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Re: Classification questions

On Thu, 21 Aug 1997, Thomas R. Holtz, Jr. wrote:

> At 02:36 PM 8/20/97 -0400, T. Mike Keesey wrote:
> >-Is Macronaria stem-based or node-based? If stem, it could be different
> >from Camarasauromorpha.
> According to Sereno (1997) is that it is node-based, but it could be "saved"
> by using a stem-based version.

Doesn't Macronaria include _Haplocanthosaurus_ as its most primitive
member? Whereas camarasaurids are the most primitive camarasauromorphs...
Thanks for the rest of the answers. I knew I could rely on you :)

--T. Mike Keesey
http://www.gl.umbc.edu/~tkeese1/index.htm -- The Dinosaur Web Pages