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RE: Concavenator corcovatus, a new humped carcharodontosaurid from Las Hoyas
Mike Keesey wrote-
> Also, this would only extend it to Neotetanurae.
> Spinosauroids/megalosauroids, ceratosaurs (including abelisaurs),
> coelophysoids, dilophosaurids, etc. might still be "safe".
> (Carnotaurus, for one, will always be safe--even if it had quilled
> ancestors it doesn't have any itself.)
Not true. Concavenator includes loads of scale impressions too, after all.
For all we know Carnotaurus had secondaries on its arms as well.