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Evidence of a new carcharodontosaurid from the Upper Cretaceous of Morocco

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Cau A., Dalla Vecchia F. M., Fabbri M.

Acta Palaeontologica Polonica

2012

tom 57

nr 3

We report an isolated frontal of a large−bodied theropod from the Cenomanian “Kem Kem beds” of Morocco with an unusual morphology that we refer to a new carcharodontosaurid distinct from the sympatric Carcharodontosaurus. The specimen shows an unique combination of plesiomorphic and potentially autapomorphic features: very thick and broad bone with a complex saddle−shaped dorsal surface, and a narrow vertical lamina between the prefrontal and lacrimal facets. This study supports the hypothesis that a fourth large theropod was present in the Cenomanian of Morocco together with Carcharodontosaurus, Deltadromeus, and Spinosaurus.

Ograniczanie wyników

1 Acta Palaeontologica Polonica

1 Cau A.

1 Dalla Vecchia F. M.

1 Fabbri M.

1 2012

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Evidence of a new carcharodontosaurid from the Upper Cretaceous of Morocco