Kentaro Chiba; Michael J. Ryan; Federico Fanti; Mark A. Loewen; David C. Evans (2018). "New material and systematic re-evaluation of Medusaceratops lokii (Dinosauria, Ceratopsidae) from the Judith River Formation (Campanian, Montana)". Journal of Paleontology. 92 (2): 272–288. doi:10.1017/jpa.2017.62. S2CID134031275.
Holmes RB, Persons WS, Rupal, BS, Qureshi, AJ, Currie PJ (2020). "Morphological variation and asymmetrical development in the skull of Styracosaurus albertensis". Cretaceous Research. 107: 104308. doi:10.1016/j.cretres.2019.104308. S2CID210260909.
Fiorillo, Anthony R. & Gangloff, Roland A. (2001). "Theropod teeth from the Prince Creek Formation (Cretaceous) of northern Alaska, with speculations on Arctic dinosaur paleoecology". Journal of Vertebrate Paleontology. 20 (4): 675–682. doi:10.1671/0272-4634(2000)020[0675:TTFTPC]2.0.CO;2. S2CID130766946.
Kentaro Chiba; Michael J. Ryan; Federico Fanti; Mark A. Loewen; David C. Evans (2018). "New material and systematic re-evaluation of Medusaceratops lokii (Dinosauria, Ceratopsidae) from the Judith River Formation (Campanian, Montana)". Journal of Paleontology. 92 (2): 272–288. doi:10.1017/jpa.2017.62. S2CID134031275.
Holmes RB, Persons WS, Rupal, BS, Qureshi, AJ, Currie PJ (2020). "Morphological variation and asymmetrical development in the skull of Styracosaurus albertensis". Cretaceous Research. 107: 104308. doi:10.1016/j.cretres.2019.104308. S2CID210260909.
Fiorillo, Anthony R. & Gangloff, Roland A. (2001). "Theropod teeth from the Prince Creek Formation (Cretaceous) of northern Alaska, with speculations on Arctic dinosaur paleoecology". Journal of Vertebrate Paleontology. 20 (4): 675–682. doi:10.1671/0272-4634(2000)020[0675:TTFTPC]2.0.CO;2. S2CID130766946.