Ailuravua macrurus skeleton Tyrannosaurus Rex Scientific Name: Allosaurus fragilis Formation:

Scientific Name: Allosaurus fragilis Formation: Morrison Age: Jurassic

is an extinct species of shark that lived approximately 23 to 3

to flat discs with a central boss and sharp outer ring (Spriggia preservation)

Kingdom: Plantae

It is thought that humans evolved from arboreal primates similar to lemurs

Ailuravua macrurus skeleton Tyrannosaurus Rex Scientific Name: Allosaurus fragilis Formation:Ailuravus is one of the earliest known rodents. Rodents are a group of placental mammals which first appeared within 10 million years after the extinction of the dinosaurs 65 million years ago. True mammals have existed for about 210 million years, but did not flourish until they could fill the vacant ecological niches left by the dinosaurs. The defining feature of a rodent is the large paired incisors that grow continuously throughout its life. These