Abstract

Osteological and palaeoneurological study of a theropod braincase from the Vaches Noires cliffs, on the coast of Normandy, suggests the specimen is different from Eustreptospondylus oxoniensis and Piveteausaurus divesensis, both from the Upper Callovian of western Europe. In osteological and endocranial features, the specimen shares more characters with Allosaurus fragilis (Upper Jurassic) than with Tyrannosaurus rex (Upper Cretaceous). A good image of the caudal extremity of the brain (in particular the optic lobes and the cerebellum) was obtained, by using both a standard endocast and CT scan images. The potential of CT scanning in dinosaar palaeoneurology is discussed.

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