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Re: "Utah site yields first Cretaceous-era sauropod skulls ever in N. America"
--- MKIRKALDY@aol.com wrote:
> In a message dated 5/30/2005 11:52:13 AM Eastern
> Standard Time,
> firstname.lastname@example.org writes:
> > But for the
> > Cretaceous, the final 80
> > million years of the rule of dinosaurs, no
> > skulls have been known from
> > North America.
> < Wasn't Alamosaurus cranial material found in the
> Is this what you are referring to?
> A juvenile specimen of the sauropod dinosaur
> Alamosaurus sanjuanensis from
> the upper Cretaceous of Big Bend National Park,
> Journal of Paleontology, Jan 2002 by Lehman,
> Thomas M, Coulson, Alan B
> Skull.-No cranial elements are preserved with this
> specimen, and none have
> yet been described for Alamosaurus. A few isolated
> teeth have been referred to
> A. sanjuanensis (Kues et al., 1980), and several
> similar rod shaped tooth
> fragments, 6 to 8 mm in diameter, were recovered
> with the present specimen.
Isn't _Alamosaurus_ the only known Cretaceous, North
American sauropod? Does anyone know if this material
can be attributed to it? If not, then I suppose
Cretaceous sauropods were more abundant than was once
"I am impressed by the fact that we know less about many modern [reptile] types
than we do of many fossil groups." - Alfred S. Romer
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