Brown, C. M.; Evans, D. C.; Ryan, M. J.; Russell, A. P. (2013). “New data on the diversity and abundance of small-bodied ornithopods (Dinosauria, Ornithischia) from the Belly River Group (Campanian) of Alberta”. Journal of Vertebrate Paleontology33 (3): 495–520. doi:10.1080/02724634.2013.746229.
Boyd, Clint A.; Brown, Caleb M.; Scheetz, Rodney D.; Clarke, Julia A. (2009). “Taxonomic revision of the basal neornithischian taxa Thescelosaurus and Bugenasaura”. Journal of Vertebrate Paleontology29 (3): 758–770. doi:10.1671/039.029.0328.
Weishampel, David B.; Jianu, Coralia-Maria; Csiki, Z.; Norman, David B. (2003). “Osteology and phylogeny of Zalmoxes (n.g.), an unusual euornithopod dinosaur from the latest Cretaceous of Romania”. Journal of Systematic Palaeontology1 (2): 1–56. doi:10.1017/S1477201903001032.
Butler, Richard J.; Upchurch, Paul; Norman, David B. (2008). “The phylogeny of the ornithischian dinosaurs”. Journal of Systematic Palaeontology6 (1): 1–40. doi:10.1017/S1477201907002271.
Brown, Caleb Marshall; Evans, David C.; Ryan, Michael J.; Russell, Anthony P. (2013). “New data on the diversity and abundance of small-bodied ornithopods (Dinosauria, Ornithischia) from the Belly River Group (Campanian) of Alberta”. Journal of Vertebrate Paleontology33 (3): 495–520. doi:10.1080/02724634.2013.746229.