Lusitanosaurus ("Portugese reptile") is a genus of scelidosaurid ankylosaur dinosaur from the Early Jurassic of Portugal, about 190 million years ago. It was originally assigned to the Stegosauria by de Lapparent. It is probably the oldest known dinosaur from Portugal. Lusitanosaurus was first named in 1957.
Article by Brian Tinnon 2/22/12