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Re: Ostafrikasaurus crassiserratus, new spinosaur from Tendaguru
This supports Allain et al recent reappraise that that Torvosaurus
single ungual phalanx from the Morrison formation might actually be a
spinosaurid, given how alike both formations are.
On Wed, Apr 25, 2012 at 8:59 PM, Michael Lange <Michael.Lange@gmx.ch> wrote:
> I don't think this one has been mentioned before:
> Buffetaut (2012) An early spinosaurid dinosaur from the Late Jurassic of
> Tendaguru(Tanzania) and the evolution of the spinosaurid dentition. Oryctos
> 10: 1-8
> Abstract - An isolated theropod tooth from the terminal Jurassic of the
> Tendaguru (Tanzania), originally referred to Labrosaurus
> (?) stechowi, is described as the type specimen of a new genus and species of
> spinosaurid theropod. It shows an
> enamel ornamentation reminiscent of Baryonyx and allied forms, but differs
> from all other known spinosaurids by the large
> size of the denticles borne by the carinae. The new taxon is the earliest
> currently known spinosaurid. It sheds some light on
> aspects of dental evolution in spinosaurids, which seems to have been
> characterised by reduction of the denticles.
> Cheers, Michael
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