Bản mẫu:Chasmosaurinae/con
- ^ a b Jordan C. Mallon, Christopher J. Ott, Peter L. Larson, Edward M. Iuliano and David C. Evans (2016). “Spiclypeus shipporum gen. et sp. nov., a Boldly Audacious New Chasmosaurine Ceratopsid (Dinosauria: Ornithischia) from the Judith River Formation (Upper Cretaceous: Campanian) of Montana, USA”. PLoS ONE 11 (5): e0154218. PMC 4871577. PMID 27191389. doi:10.1371/journal.pone.0154218