After Sullivan, 2003
†Colepiocephale Sullivan, 2003
†Stegoceras Lambe, 1902; Sternberg, 1945 (in partim)
†Stegoceras Lambe; Sues & Galton, 1987 (in partim)
†Stegoceras Lambe; Baszio, 1997 (in partim)
†Stegoceras Lambe; Williamson & Carr, 2003 (in partim)
†Colepiocephale Sullivan, 2003
†Colepiocephale lambei (Sternberg, 1945) Sullivan, 2003
†Stegoceras lambei Sternberg, 1945
†Stegoceras validum (Lambe, 1902); Sues & Galton, 1987 (in partim)
†Stegoceras validum Lambe, 1918; Marya´nska, 1990
†S. sp. Baszio, 1997 (in partim)
†Stegoceras lambeiSternberg; Williamson & Carr, 2003
†Colepiocephale lambei (Sternberg, 1945) Sullivan, 2003
Reference(s):
Marya´nska, T., 1990: Pachycephalosauria. 564-577
in Weishampel, D. B., Dodson, P., & Osmólska, H. (eds.), 1990: The Dinosauria.
–University of California Press, Berkley, Los Angeles, Oxford, 1990 xvi-733
Sullivan, R. M., 2003: Revision of the dinosaur Stegoceras Lambe (Ornithischia, Pachycephalosauria).
–Journal of Vertebrate Paleontology: Vol. 23, #1, pp. 181-207
Williamson, T. E. & Carr, T. D., 2003: A new genus of derived pachycephalosaurian from western North America.
–Journal of Vertebrate Paleontology: Vol. 22, #4, pp. 779-801
