Its body was covered in bony plates that provided protection against predators

These parallels suggest that similar structures may have responded to common environmental or social pressures

a trait reflected in the specific epithet brachydeirus (“short-necked”)

Sinomegaceros pachyosteus is an extinct species of giant deer in the genus Sinomegaceros

Pliosaurus brachydeirus Bajadasaurus Its body was covered inPliosaurus brachydeirus was a marine plesiosaur reptile of the Pliosauridae family that lived during the Late Jurassic , primarily in the KimmeridgianTithonian age (approximately 155150 million years ago) . Its remains come mainly from marine deposits in southern England , within the context of the ancient European epicontinental sea , and the species holds an important historical role as one of the first pliosaurs formally described in paleontology.