↑(en) Romeo M. Flores, Mark D. Myers, David W. Houseknecht, Gary D. Stricker, Donald W. Brizzolara, Timothy J. Ryherd et Kenneth I. Takahashi, Stratigraphy and Facies of Cretaceous Schrader Bluff and Prince Creek Formations in Colville River Bluffs, North Slope, Alaska, U.S. Geological Survey, coll. « Professional Paper » (no 1748), , 52 p. (ISBN978-1-4113-2023-9, lire en ligne)
↑ abcde et f"3.33 Alaska, United States; 3. Prince Creek Formation," in Weishampel, et al. (2004). Page 587.
↑ a et bClassé comme "?Anchiceratops sp." in "3.33 Alaska, United States; 3. Prince Creek Formation," in Weishampel, et al. (2004). Page 587.
↑ a et bClassé comme "?Brachyceratops sp." in "3.33 Alaska, United States; 3. Prince Creek Formation," in Weishampel, et al. (2004). Page 587.
↑ a et bClassé comme "Pachyrhinosaurus cf. canadensis" in "3.33 Alaska, United States; 3. Prince Creek Formation," in Weishampel, et al. (2004). Page 587.
↑ a et bClassé comme "cf. Thescelosaurus sp." in "3.33 Alaska, United States; 3. Prince Creek Formation," in Weishampel, et al. (2004). Page 587.