Citation: S. Baszio, Oldest occurance of the genus Stegoceras (Dinosauria: Pachycephalosauridae) from the Foremost Formation (Campanian) of South Alberta, Canada, Palaontologische Zeitschrift Palaontologische Zeitschrift (Print);Journal of Palaontologische Gesellschaft Scientific contributions to palaeontology, 71(1/2), 1997, pp. 129-133