A Guide to the Dinosaurs of Colorado
On Dinosaur Classification
On Scientific Names
The Basics of Taxonomy
An Introduction to Cladistcs
Taxonomy of the Dinosaurs of Colorado
Cladogram of the Dinosaurs of Colorado
About the Dinosaurs of Colorado
Geological
Time Chart
    

Genus Stegosaurus

Includes material originally referred to: Diracodon, Hypsirhophus.

Taxonomy: Recognized Species
Class Dinosauria
  Subclass Ornithischia
    Order Thyreophora
      Family Stegosauridae
S. armatus Marsh, 1877
  Colorado, Wyoming, Utah
S. stenops Marsh, 1887
  Colorado, Wyoming, Utah
S. longispinus Gilmore, 1914
  Wyoming, (?) Utah
Species in Colorado: Stegosaurus armatus
Stegosaurus stenops
Size: Where found:
30 feet
9 meters		 Morrison Formation of Colorado, Wyoming, and Utah
Period: Age:
Late Jurassic Kimmeridgian - Tithonian
  144 to 156 Ma.
Material Found
S. armatus
2 partial skeletons, 2 braincases, ~30 fragmentary postcrania.
S. stenops
Complete skeleton with skull, 4 braincases, 50 partial postcrania (juvenile to adult).
S. longispinus
Fragmentary postcranial skeleton.

Information compiled by Donald L. Blanchard

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