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

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

Hesperonychus elizabethae es una especie de dinosaurio terópodo dromeosáurido que vivió en lo que ahora es América del Norte durante el período Cretácico

Approximate measurements of the Diatryma:

Qianzhousaurus sinensis Dicraeosaurus although parental behavior in theQianzhousaurus 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