After Marya´nska, 1990, Sereno, 2000 and Sullivan, 2003
†Stegoceras Lambe, 1902
†Troodon Leidy, 1856 (in partim)
†Stegoceras Lambe, 1902
†Stegoceras Lambe; Hatcher, Marsh & Lull, 1907
†Stegoceras Lambe; Lambe, 1918
†Troodon Leidy; Gilmore, 1924b (in partim)
†Troodon Leidy; Brown & Schlaikjer, 1943 (in partim)
†Stegoceras Lambe; Sternberg, 1945 (in partim)
†Stegoceras Lambe; Wall & Galton, 1979 (in partim)
†Ornatotholus Galton & Sues, 1983
†Stegoceras Lambe; Sues & Galton, 1987 (in partim)
†Stegoceras validum (Lambe, 1902) emend. Sues & Galton, 1987
†Stegoceras validus Lambe, 1902
†Stegoceras validus Lambe; Hatcher, Marsh & Lull, 1907 (in partim)
†Stegoceras validus Lambe; Lambe, 1918 (in partim)
†Stegoceras breve Lambe, 1918
†Troodon validus (Lambe); Gilmore, 1924
†Troodon validus (Lambe); Gilmore, 1931
†Troodon sternbergi Brown & Schlaikjer, 1943 (in partim) ==> Gravitholus sternbergi (Brown & Schlaikjer, 1943)
†Stegoceras validus Lambe; Sternberg, 1945 (in partim)
†Stegoceras lambei Sternberg, 1945 ==> Colepiocephale lambei (Sternberg, 1945) Sullivan, 2003
†Stegoceras validus Lambe; Galton, 1971 (in partim)
†Stegoceras validus Lambe; Wall & Galton, 1979 (in partim)
†Stegoceras browni Wall & Galton, 1979
†Ornatotholus browni (Wall & Galton); Galton & Sues, 1983
†Stegoceras validum (Lambe) emend. Sues & Galton, 1987
†Ornatotholus browni (Wall & Galton); Sues & Galton, 1987
†Ornatotholus browni (Wall & Galton); Marya´nska, 1990
†Stegoceras validum (Lambe, 1918); Marya´nska, 1990
†Stegoceras validus Lambe; Sereno, 2000
†Stegoceras validum (Lambe) 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
Sereno, P. C., 2000: The fossil record, systematics and evolution of pachycephalosaurs and ceratopsians from Asia. 480-516
in Benton, M. J., Shishkin, M. A., Unvin, D. M. & Kurochkin, E. N., (eds.) 2000: The Age of Dinosaurs in Russia and Mongolia.
–Cambridge University Press, Cambridge, xxxix-696
Sullivan, R. M., 2003: Revision of the dinosaur Stegoceras Lambe (Ornithischia, Pachycephalosauria).
–Journal of Vertebrate Paleontology: Vol. 23, #1, pp. 181-207
