Illustration by C. Abraczinskas and P. Sereno

Type: theropod, meat eater

Age: 90 million years old

Height at hip: 8 feet

Length: 25 feet

Discovery site: Morocco, Africa

Photo © Project Exploration

Notes:

Deltadromeus was discovered in 1995 by Gabrielle Lyon. Deltadromeus has extraordinarily delicate and long limbs, making it one of the fastest dinosaurs to have existed.