Pachycephalosaurus skull juvenile Diprotodon their body size decreased over

their body size decreased over time as the Carboniferous progressed and reached the Permian

oreodontes y caballos ancestrales

que constituyen aproximadamente la mitad o más de la longitud total del cuerpo

essential for a hunter who needed speed and agility

Its scientific name

Pachycephalosaurus skull juvenile Diprotodon their body size decreased overThe skull of Pachycephalosaurus , or "fat headed lizard," is a marvel of paleontology that offers fascinating details about the anatomy and behavior of these herbivorous dinosaurs from the Late Cretaceous period. This distinctive skull features a number of unique characteristics that make it unmistakable. With its thick, rounded bony dome on top of its skull, Pachycephalosaurus likely used its head as a weapon during intraspecific fights or to defend