approximately 45 million years ago

and monkeys that preyed on eggs and young)

The forests in which the Troodon lived consisted of conifers and tree ferns

allowing them to efficiently utilize their diet

Scale 1:35 - 85 x 79 x 63 mm H

Allosaurus fragilis Variant:Primed approximately 45 million years agoAllosaurus (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