Woodruff D. C., Horner J. R., Goodwin M. B., Evans D. C. The first pachycephalosaurid from the Late Cretaceous Two Medicine Formation: effects of the Western Interior Seaway on North American pachycephalosaurid evolution (англ.) // Zoological Journal of the Linnean Society : journal. — 2025. — Vol. 205, iss. 2. — P. zlaf087. — ISSN0024-4082. — doi:10.1093/zoolinnean/zlaf087.
Woodruff D. C., Horner J. R., Goodwin M. B., Evans D. C. The first pachycephalosaurid from the Late Cretaceous Two Medicine Formation: effects of the Western Interior Seaway on North American pachycephalosaurid evolution (англ.) // Zoological Journal of the Linnean Society : journal. — 2025. — Vol. 205, iss. 2. — P. zlaf087. — ISSN0024-4082. — doi:10.1093/zoolinnean/zlaf087.