This taxon is considered nomen nudum, species not entered
of the valid taxon Stegosaurus
according to the Paleobiology Database.
See the page for Stegosaurus →
Bibliography
Original description
O. C. Marsh. 1881. Principal characters of American Jurassic dinosaurs. Part IV. Spinal cord, pelvis, and limbs of Stegosaurus. The American Journal of Science and Arts, series 3 21:167–170