Simplify the following text for a Grade 11 native English-speaking person.
Original: Stegosaurus , one of the many dinosaurs first collected and described in the Bone Wars , was originally named by Othniel Charles Marsh in 1877 , from remains recovered north of Morrison , Colorado .
Simplified: Stegosaurus was originally named by Othniel Charles Marsh in 1877 , from fossils found near Morrison , Colorado .