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Re: Hypsilophodon/ pachycephalosaur distribution

Adam S Smith wrote-

> Thanks for the info. So, the earliest
> Pachycephalosaurs are European. Are any Early
> Cretaceous forms known from the New World? If not,
> what is the earliest known New World pachcephalosaur?

The only Early Cretaceous pachycephalosaurs known are Yaverlandia and
Stenopelix.  The only pachycephalosaur reported from an earlier time
anywhere are Chatterjee's undescribed Late Triassic Indian specimens.
Apparently very pachycephalosaur-like, but the time makes one wonder.

Mickey Mortimer