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Re: "Utah site yields first Cretaceous-era sauropod skulls ever in N. America"

Jura <pristichampsus@yahoo.com> wrote:

Isn't _Alamosaurus_ the only known Cretaceous, North
American sauropod?

Perhaps not. There have been suggestions (sometimes published) that _Alamosaurus_ has been used as a wastebasket taxon for LK titanosaurs from the southern US. The totality of material referred to _Alamosaurus_ appears to be morphologically incompatible with just a single species.