| Location | Region | Stratigraphic Name |
|---|
| Canyon Bonebed | Glacier County, Montana, USA | Montana - Two Medicine - Upper |
| north side | Glacier County, Montana, USA | Montana - Two Medicine - Upper |
| south side | Glacier County, Montana, USA | Montana - Two Medicine - Upper |
| S. ovatus type | Glacier County, Montana, USA | Montana - Two Medicine - Upper |
| Landslide Butte Field Area | Glacier County, Montana, USA | Montana - Two Medicine - Upper |
| Egg Baby Butte | Glacier County, Montana, USA | Montana - Two Medicine - Upper |
| Blacktail Creek North | Flathead County, Montana, USA | Montana - Two Medicine - Upper |
| Little Diablo's Hill | Alberta, Canada | Montana - Two Medicine - Upper |
| Badger Creek | Glacier County, Montana, USA | Montana - Two Medicine - Upper |
| 0.5 miles north of Two Medicine River | Pondera County, Montana, USA | Montana - Two Medicine - Upper |
| Sun River Bonebed | Teton County, Montana, USA | Montana - Two Medicine - Upper |
| 13 km west of Bynum | Teton County, Montana, USA | Montana - Two Medicine - Upper |
| Milk River ankylosaur | Glacier County, Montana, USA | Montana - Two Medicine - Upper |
| Kahn's Cache | Teton County, Montana, USA | Montana - Two Medicine - Upper |
| Azhdarchid pterosaur | Flathead County, Montana, USA | Montana - Two Medicine - Upper |
| Northwest of Cut Bank | Glacier County, Montana, USA | Montana - Two Medicine - Upper |
| south side | Glacier County, Montana, USA | Montana - Two Medicine - Upper |
| Gilmore C. W. (1914) A new ceratopsian dinosaur from the Upper Cretaceous of Montana, with note on Hypacrosaurus, Smithsonian Miscellaneous Collections 63 3, 1-10 |
| Gilmore C. W. (1930) On dinosaurian reptiles from the Two Medicine Formation of Montana, Proceedings of the United States National Museum 77 16, 1-39 |
| Lull R. S., Wright N. E. (1942) Hadrosaurian dinosaurs of North America, Geological Society of America Special Paper 40, 1-242 |
| Morris W. J. (1978) Hypacrosaurus altispinus? Brown from the Two Medicine Formation, Montana a taxonomically indeterminate specimen, Journal of Paleontology 52 1, 200-205 |
| Rogers R. R. (1991) Taphonomy of three dinosaur bone beds in the Upper Cretaceous Two Medicine Formation of Northwestern Monana: evidence for drought-related mortality, Palaios 5, 394-413 |
| Horner J. R., Currie P. J. (1994) Embryonic and neonatal morphology and ontogeny of a new species of Hypacrosaurus (Ornithischia, Lambeosauridae) from Montana and Alberta, Dinosaur Eggs and Babies, Cambridge University Press, Cambridge, 312-336 |
| Sampson S. D. (1994) Two new horned dinosaurs (Ornithischia: Ceratopsidae) from the Upper Cretaceous Two Medicine Formation, Montana, USA, Journal of Vertebrate Paleontology 14 3, suppl., 44A |
| Padian K., de Ricqles A. J., et al (1995) Bone histology determines identification of a new fossil taxon of pterosaur (Reptilia: Archosauria), Comptes Rendus de l’Academie des Science, Serie II 320, 77-84 |
| Sampson S. D. (1995) Two new horned dinosaurs from the upper Cretaceous Two Medicine Formation of Montana; with a phylogenetic analysis of the Centrosaurinae (Ornithischia: Ceratopsidae), Journal of Vertebrate Paleontology 14 5, 743-760 |
| Coombs W. P. (1995) Ankylosaurian tail clubs of middle Campanian to early Maastrichtian age from western North America, with description of a tiny club from Alberta and discussion of tail orientation and tail club function, Canadian Journal of Earth Sciences 32, 902-912 |
| Burnham D. A., Derstler K. L., et al (2000) Remarkable new birdlike dinosaur (Theropoda: Maniraptora) from the Upper Cretaceous of Montana, University of Kansas Paleontological Contributions 13, 1-14 |
| Scherzer B., Varricchio D. (2005) Taphonomy of a juvenile lambeosaur bonebed from the Two Medicine Formation of Montana, Journal of Vertebrate Paleontology 25 3, suppl., 110A |
| Currie P. J., Trexler D., et al (2005) An unusual multi-individual bonebed in the Two Medicine Formation (Late Cretaceous, Campanian) of Montana (USA), The Carnivorous Dinosaurs. Indiana University Press, Bloomington, 313-324 |
| Database M. O. R. (2006) MOR collections database |
| Chinnery B. J., Horner J. R. (2007) A new neoceratopsian dinosaur linking North American and Asian taxa, Journal of Vertebrate Paleontology 27 3, 625-641 |
| Scherzer B. A., Varricchio D. J. (2010) Taphonomy of a juvenile lambeosaurine bonebed from the Two Medicine Formation (Campanian) of Montana, United States, Palaios 25 12, 780-795 doi:10.2110/palo.2009.p09-143r |
| McDonald A. T., Horner J. R. (2010) New material of "Styracosaurus" ovatus from the Two Medicine Formation of Montana, New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington, 156-168 |
| Penkalski P. (2014) A new ankylosaurid from the late Cretaceous Two Medicine Formation of Montana, USA, Acta Palaeontologica Polonica doi:10.4202/app.2012.0125 |
| Carr T. D., Varricchio D. J., et al (2017) A new tyrannosaur with evidence for anagenesis and crocodile-like facial sensory system, Scientific Reports 7, 44942:1-11 doi:10.1038/srep44942 |
| Penkalski P. (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 |
