and it is thought that it may have evolved in this way to compete with each other

which lived during the Miocene

They were characterized by their body armor and a club-shaped tail

but it is believed that factors such as changes in climate and food availability

Approximate measurements of the Carnotaurus:

Allosaurus fragilis Tylosaurus and it is thought thatAllosaurus (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