This type of growth was typical of medium-sized dinosaurs

lithographica 'Oldwing') is an extinct species of primitive bird that lived during the Late Jurassic Kimmeridgian period

equipado con un pico córneo para cortar vegetación y una batería de dientes especializados para triturarla

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