a Pachycephalosaurus

whose fossils have been found in the Khuren Dukh Formation (Mongolia)

and hard-shelled animals

Snout-tail length 296 mm

which has allowed paleontologists to accurately reconstruct its anatomy and propose hypotheses about its behavior and ecology

Cuvieronius hyodon Longisquama a PachycephalosaurusCuvieronius hyodon is an extinct species of proboscidean mammal belonging to the family Gomphotheriidae, which inhabited America during the Pleistocene, with a distribution ranging from southern North America to wide areas of Central and South America. It is one of the most representative gomphotheres of the continent, both for its geographic dispersion and its ecological versatility. From a morphological point of view, Cuvieronius hyodon had a