Allosaurus fragilis Rhomaleosaurus a precursor lineage of mammals

a precursor lineage of mammals

Los dientes presentaban superficies de desgaste complejas capaces de realizar movimientos de cizallamiento relativamente eficientes

'Utah hunter') is a genus of theropod dinosaur that lived during the Barremian of the Lower Cretaceous period

The Model Pose represents a specimen of Kosmoceratops digging and grazing in a meadow

Kazakhstan

Allosaurus fragilis Rhomaleosaurus a precursor lineage of mammalsAllosaurus (A. fragilis, 'Different lizard') was the most common predatory theropod of the Kimmeridgian and Tithionian Age of the Upper Jurassic and the most dangerous as well. The Allosaurus had a large and robust head with serrated, sharp and curved teeth of between 5 10 cm, which allowed it to tear the flesh of its prey. It also had muscular arms with three fingers with claws up to 15 cm long, which helped it hold onto its prey. Its tail was long