(en) Michael J. Ryan, Holmes, Robert et Russell, A.P., « A revision of the late Campanian centrosaurine ceratopsid genus Styracosaurus from the Western Interior of North America », Journal of Vertebrate Paleontology, vol. 27, no 4, , p. 944–962 (DOI10.1671/0272-4634(2007)27[944:AROTLC]2.0.CO;2, lire en ligne, consulté le )
(en) Robert.B. Holmes, Walter Scott Persons, Baltej Singh Rupal, Ahmed Jawad Qureshi et Philip J. Currie, « Morphological variation and asymmetrical development in the skull of Styracosaurus albertensis », Cretaceous Research, vol. in press, , Article 104308 (DOI10.1016/j.cretres.2019.104308)
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(en) Michael J. Ryan, Holmes, Robert et Russell, A.P., « A revision of the late Campanian centrosaurine ceratopsid genus Styracosaurus from the Western Interior of North America », Journal of Vertebrate Paleontology, vol. 27, no 4, , p. 944–962 (DOI10.1671/0272-4634(2007)27[944:AROTLC]2.0.CO;2, lire en ligne, consulté le )