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Dinosaur Genera List corrections #9
> >The paper also tentatively recognizes two
> >spinosaurid groups, with longirostrine and brevirostrine muzzles. The
> >longirostrine group have relatively elongate premaxillae with no narial
> >the brevirostrine group have short, rounded premaxillae drawn up into a
> >crest. _Cristatusaurus_ belongs to the latter group. Both groups have seven
> >premaxillary teeth, a diagnostic spinosaurid character.
> Brifingly the two ipothetical groups of Spinosauridae includes:
> Brevirostrine - Baryonyx
> - Angaturama
> - Irritator
> - Cristatusaurus
> Longirostrine - Spinosaurus
> - Sigilmassasaurus
> and Siamosaurus as Spinosauridae [incertis sedae]
> I don't remember when I have read that Asiamerikana probably is a
> Spinosauridae is right this?
How about the status of Archaeornithoides deinosauriscus?
Is it still possibly a spinosaurid?
---John Schneiderman (firstname.lastname@example.org)