Paul Penkalski (2018). "Revised systematics of the armoured dinosaur Euoplocephalus and its allies". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 287 (3): 261–306. doi:10.1127/njgpa/2018/0717.
Penkalski, P.; Blows, W. T. (2013). "Scolosaurus cutleri (Ornithischia: Ankylosauria) from the Upper Cretaceous Dinosaur Park Formation of Alberta, Canada". Canadian Journal of Earth Sciences. 50 (2): 130110052638009. Bibcode:2013CaJES..50..171P. doi:10.1139/cjes-2012-0098.
Rogers, R.R.; Swisher, III; Horner, J.R. (1993). "40Ar/39Ar age and correlation of the nonmarine Two Medicine Formation (Upper Cretaceous), northwestern Montana, U.S.A". Canadian Journal of Earth Sciences. 30 (5): 1066–1075. Bibcode:1993CaJES..30.1066R. doi:10.1139/e93-090.
Rogers, Raymond R. (1990). "Taphonomy of three dinosaur bonebeds in the Upper Cretaceous Two Medicine Formation of northwestern Montana: evidence for drought-induced mortality". PALAIOS. 5 (5): 394–413. Bibcode:1990Palai...5..394R. doi:10.2307/3514834. JSTOR3514834.
Rogers, R. R. (1990). "Taphonomy of three dinosaur bone beds in the Upper Cretaceous Two Medicine Formation, northwestern Montana: Evidence for drought-related mortality". PALAIOS. 5 (5): 394–41. Bibcode:1990Palai...5..394R. doi:10.2307/3514834. JSTOR3514834.
harvard.edu
ui.adsabs.harvard.edu
Penkalski, P.; Blows, W. T. (2013). "Scolosaurus cutleri (Ornithischia: Ankylosauria) from the Upper Cretaceous Dinosaur Park Formation of Alberta, Canada". Canadian Journal of Earth Sciences. 50 (2): 130110052638009. Bibcode:2013CaJES..50..171P. doi:10.1139/cjes-2012-0098.
Rogers, R.R.; Swisher, III; Horner, J.R. (1993). "40Ar/39Ar age and correlation of the nonmarine Two Medicine Formation (Upper Cretaceous), northwestern Montana, U.S.A". Canadian Journal of Earth Sciences. 30 (5): 1066–1075. Bibcode:1993CaJES..30.1066R. doi:10.1139/e93-090.
Rogers, Raymond R. (1990). "Taphonomy of three dinosaur bonebeds in the Upper Cretaceous Two Medicine Formation of northwestern Montana: evidence for drought-induced mortality". PALAIOS. 5 (5): 394–413. Bibcode:1990Palai...5..394R. doi:10.2307/3514834. JSTOR3514834.
Rogers, R. R. (1990). "Taphonomy of three dinosaur bone beds in the Upper Cretaceous Two Medicine Formation, northwestern Montana: Evidence for drought-related mortality". PALAIOS. 5 (5): 394–41. Bibcode:1990Palai...5..394R. doi:10.2307/3514834. JSTOR3514834.
jstor.org
Rogers, Raymond R. (1990). "Taphonomy of three dinosaur bonebeds in the Upper Cretaceous Two Medicine Formation of northwestern Montana: evidence for drought-induced mortality". PALAIOS. 5 (5): 394–413. Bibcode:1990Palai...5..394R. doi:10.2307/3514834. JSTOR3514834.
Rogers, R. R. (1990). "Taphonomy of three dinosaur bone beds in the Upper Cretaceous Two Medicine Formation, northwestern Montana: Evidence for drought-related mortality". PALAIOS. 5 (5): 394–41. Bibcode:1990Palai...5..394R. doi:10.2307/3514834. JSTOR3514834.