期刊
ACTA PALAEONTOLOGICA POLONICA
卷 57, 期 3, 页码 661-665出版社
INST PALEOBIOLOGII PAN
DOI: 10.4202/app.2011.0043
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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.
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