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Evan, David C.; Brown, Caleb Marshall; Ryan, Michael J.; Tsogtbaatar, Kishhigjav (2011). "Cranial ornamentation and ontogenetic status of Homalocephale calathocercos (Ornithischia: Pachycephalosauria) from the Nemegt Formation, Mongolia". Journal of Vertebrate Paleontology. 31 (1): 84–92. Bibcode:2011JVPal..31...84E. doi:10.1080/02724634.2011.546287. S2CID84908604.
Mallon, Jordan C.; Evans, David C. (2014-07-07). "Taphonomy and habitat preference of North American pachycephalosaurids (Dinosauria, Ornithischia)". Lethaia. 47 (4): 567–578. Bibcode:2014Letha..47..567M. doi:10.1111/let.12082. ISSN0024-1164.
Evan, David C.; Brown, Caleb Marshall; Ryan, Michael J.; Tsogtbaatar, Kishhigjav (2011). "Cranial ornamentation and ontogenetic status of Homalocephale calathocercos (Ornithischia: Pachycephalosauria) from the Nemegt Formation, Mongolia". Journal of Vertebrate Paleontology. 31 (1): 84–92. Bibcode:2011JVPal..31...84E. doi:10.1080/02724634.2011.546287. S2CID84908604.
Mallon, Jordan C.; Evans, David C. (2014-07-07). "Taphonomy and habitat preference of North American pachycephalosaurids (Dinosauria, Ornithischia)". Lethaia. 47 (4): 567–578. Bibcode:2014Letha..47..567M. doi:10.1111/let.12082. ISSN0024-1164.