This type of growth was typical of medium-sized dinosaurs

although parental behavior in the early stages of life is not ruled out

También conocidos como "gatos con dientes de cimitarra"

lo que les permitía perseguir y cazar diversas presas en diferentes entornos

Qianzhousaurus sinensis Dicraeosaurus This type of growth wasQianzhousaurus sinensis is a theropod dinosaur of the family Tyrannosauridae that lived during the Late Cretaceous , approximately 72 million years ago, in what is now China. This predator belongs to a particular lineage of tyrannosaurids known as Alioramini , characterized by having long and narrow snouts, differentiating themselves from the robust skulls of other tyrannosaurids such as Tyrannosaurus rex or Tarbosaurus bataar . Discovered in Jiangxi