Two Medicine

Publication(s)

La base comprend 92 publication(s).

Source: The Paleobiology Database

• ↑^{1 2 3 4} J. R. Horner. 1982. Evidence of colonial nesting and "site fidelity" among ornithischian dinosaurs . Nature 297(5868):675-676 (https://doi.org/10.1038/297675a0)
• ↑^{1 2 3} J. R. Horner and D. B. Weishampel. 1988. A comparative embryological study of two ornithischian dinosaurs. Nature 332:256-257 (https://doi.org/10.1038/332256a0)
• ↑¹ J. R. Horner and D. B. Weishampel. 1996. A comparative embryological study of two ornithischian dinosaurs (correction). Nature 383:103 (https://doi.org/10.1038/383103b0)
• ↑^{1 2 3} D. K. Zelenitsky. 2000. Dinosaur eggs from Asia and North America. Y.-N. Lee (ed.), 2000 International Dinosaur Symposium for Kosong County in Korea. Paleontological Society of Korea Special Publication 4:13-26
• ↑^{1 2 3 4 5 6 7 8 9 10 11} K. F. Hirsch and B. Quinn. 1990. Eggs and eggshell fragments from the Upper Cretaceous Two Medicine Formation of Montana. Journal of Vertebrate Paleontology 10(4):491-511 (https://doi.org/10.1080/02724634.1990.10011832)
• ↑¹ F. D. Jackson, J. R. Horner, and D. J. Varricchio. 2010. A study of a Troodon egg containing embryonic remains using epifluorescence microscopy and other techniques. Cretaceous Research 31:255-262 (https://doi.org/10.1016/j.cretres.2009.11.006)
• ↑^{1 2} D. J. Varricchio, J. R. Horner, and F. D. Jackson. 2002. Embryos and eggs for the Cretaceous theropod dinosaur Troodon formosus. Journal of Vertebrate Paleontology 22(3):564-576 (https://doi.org/10.1671/0272-4634(2002)022[0564:eaeftc]2.0.co;2)
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34} R. R. Rogers, J. R. Horner, and J. Ramezani, E. M. Roberts, D. J. Varricchio. 2024. Updating the Upper Cretaceous (Campanian) Two Medicine Formation of Montana: lithostratigraphic revisions, new CA-ID-TIMS U-Pb ages, and a calibrated framework for dinosaur occurrences. GSA Bulletin (https://doi.org/10.1130/B37498.1)
• ↑^{1 2 3} J. R. Horner and R. Makela. 1979. Nest of juveniles provides evidence of family structure among dinosaurs. Nature 282:296-298 (https://doi.org/10.1038/282296a0)
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15} M. T. Carrano. 2006. Fossil Vertebrate Collections, Museum of the Rockies
• ↑¹ G. F. Funston, M. J. Powers, and S. A. Whitebone, S. L. Brusatte, J. B. Scannella, J. R. Horner, P. J. Currie. 2021. Baby tyrannosaurid bones and teeth from the Late Cretaceous of western North America 1. Canadian Journal of Earth Sciences 58(9):756–777 (https://doi.org/10.1139/cjes-2020-0169)
• ↑^{1 2} Anonymous. 1979. First carnivorous dinosaur eggs found. Science News 116(10):167, 174
• ↑¹ M. Montellano. 1988. Alphadon halleyi (Didelphidae, Marsupialia) from the Two Medicine Formation (Late Cretaceous, Judithian) of Montana. Journal of Vertebrate Paleontology 8(4):378-382 (https://doi.org/10.1080/02724634.1988.10011726)
• ↑¹ K. F. Hirsch. 2001. Pathological amniote eggshell—fossil and modern. Mesozoic Vertebrate Life: New Research Inspired by the Paleontology of Philip J. Currie
• ↑¹ J. R. Horner. 1997. Egg Mountain. Encyclopedia of Dinosaurs
• ↑^{1 2 3 4 5 6 7 8 9 10} S. G. Dalman, S. G. Lucas, and D. E. Malinzak. 2018. Tyrannosaurid teeth from the Upper Cretaceous (Campanian) Two Medicine Formation of Montana. Fossil Record 6. New Mexico Museum of Natural History and Science Bulletin 79:125-139
• ↑^{1 2 3 4 5 6 7 8 9} D. J. Varricchio. 1993. Taphonomy of Jack's Birthday site, a diverse dinosaur bone bed. Journal of Vertebrate Paleontology 13(3, suppl.):61A
• ↑^{1 2 3 4} S. D. Sampson. 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 (https://doi.org/10.1080/02724634.1995.10011259)
• ↑^{1 2 3 4} T. D. Carr, D. J. Varricchio, and J. C. Sedlmayr, E. M. Roberts, J. R. Moore. 2017. A new tyrannosaur with evidence for anagenesis and crocodile-like facial sensory system. Scientific Reports 7:44942:1-11 (https://doi.org/10.1038/srep44942)
• ↑^{1 2} C. R. Scherer and C. Voiculescu-Holvad. 2024. Reanalysis of a dataset refutes claims of anagenesis within Tyrannosaurus-line tyrannosaurines (Theropoda, Tyrannosauridae). Cretaceous Research 155(78):105780 (https://doi.org/10.1016/j.cretres.2023.105780)
• ↑¹ J. G. Schmitt, F. D. Jackson, and R. R. Hanna. 2014. Debris flow origin of an unusual Late Cretaceous hadrosaur bonebed in the Two Medicine Formation of western Montana. Hadrosaurs
• ↑^{1 2} D. J. Varricchio. 1992. Taphonomy and histology of the Upper Cretaceous theropod dinosaur Troodon formosus: life history implications. Journal of Vertebrate Paleontology 12(3, suppl.):57A
• ↑^{1 2} D. J. Varricchio. 1995. Taphonomy of Jack's Birthday Site, a diverse dinosaur bonebed from the Upper Cretaceous Two Medicine Formation of Montana. Palaeogeography, Palaeoclimatology, Palaeoecology 114:297-323 (https://doi.org/10.1016/0031-0182(94)00084-l)
• ↑^{1 2 3 4 5} J. R. Horner. 1992. Cranial morphology of Prosaurolophus (Ornithischia: Hadrosauridae) with descriptions of two new hadrosaurid species and an evaluation of hadrosaurid phylogenetic relationships. Museum of the Rockies Occasional Paper 2:1-119
• ↑¹ D. J. Varricchio. 1993. Bone microstructure of the Upper Cretaceous theropod dinosaur Troodon formosus. Journal of Vertebrate Paleontology 13(1):99-104 (https://doi.org/10.1080/02724634.1993.10011490)
• ↑¹ P. J. Currie and D. J. Varricchio. 2004. A new dromaeosaurid from the Horseshoe Canyon Formation (Upper Cretaceous) of Alberta, Canada. Feathered Dragons. Indiana University Press, Bloomington
• ↑¹ R. Takasaki, A. R. Fiorillo, and Y. Kobayashi, R. S. Tykoski, P. J. McCarthy. 2019. The first definite lambeosaurine bone From the Liscomb Bonebed of the Upper Cretaceous Prince Creek Formation, Alaska, United States. Scientific Reports 9(1):5384:1-11 (https://doi.org/10.1038/s41598-019-41325-8)
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20} J. R. Horner and P. J. Currie. 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
• ↑^{1 2 3 4 5} J. R. Horner, J. G. Schmitt, and F. Jackson, R. Hanna. 2001. Bones and rocks of the Upper Cretaceous Two Medicine-Judith River clastic wedge complex, Montana. In C. L. Hill (ed), Society of Vertebrate Paleontology, 61st Annual Meeting, Bozeman. Guidebook for the Field Trips: Mesozoic and Cenozoic Paleontology in the Western Plains and Rocky Mountains, Museum of the Rockies Occasional Paper 3:3-13
• ↑^{1 2 3 4 5} R. R. Rogers. 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 (https://doi.org/10.2307/3514834)
• ↑^{1 2 3} R. R. Rogers. 1997. Two Medicine Formation. Encyclopedia of Dinosaurs
• ↑^{1 2 3} S. D. Sampson. 1994. Two new horned dinosaurs (Ornithischia: Ceratopsidae) from the Upper Cretaceous Two Medicine Formation, Montana, USA. Journal of Vertebrate Paleontology 14(3, suppl.):44A
• ↑¹ A. T. McDonald and J. R. Horner. 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
• ↑^{1 2} A. T. McDonald. 2011. A subadult specimen of Rubeosaurus ovatus (Dinosauria: Ceratopsidae), with observations on other ceratopsids from the Two Medicine Formation. PLoS ONE 6(8):e22710:1-12 (https://doi.org/10.1371/journal.pone.0022710)
• ↑^{1 2} D. J. Varricchio. 2002. A new bird from the Upper Cretaceous Two Medicine Formation of Montana. Canadian Journal of Earth Sciences 39(1):19-26 (https://doi.org/10.1139/e01-057)
• ↑¹ J. R. Horner. 1983. Cranial osteology and morphology of the type specimen of Maiasaura peeblesorum (Ornithischia: Hadrosauridae), with discussion of its phylogenetic position. Journal of Vertebrate Paleontology 3(1):29-38 (https://doi.org/10.1080/02724634.1983.10011954)
• ↑^{1 2} A. M. Bailleul, B. K. Hall, and J. R. Horner. 2013. Secondary cartilage revealed in a non-avian dinosaur embryo. PLoS ONE 8(2):e56937:1-5 (https://doi.org/10.1371/ journal.pone.0056937)
• ↑^{1 2} J. R. Horner. 1984. Three ecologically distinct vertebrate faunal communities from the Late Cretaceous Two Medicine Formation of Montana, with discussion of evolutionary pressures induced by interior seaway fluctuations. Northwest Montana and Adjacent Canada. Montana Geological Society, 1984 Field Conference and Symposium
• ↑¹ G. C. Nadon. 1993. The association of anastomosed fluvial deposits and dinosaur tracks, eggs, and nests: implications for the interpretation of floodplain environments and a possible survivial strategy for ornithopods. Palaios 8:31-44 (https://doi.org/10.2307/3515220)
• ↑^{1 2} D. J. Varricchio. 2001. Gut contents from a Cretaceous tyrannosaurid: implications for theropod dinosaur digestive tracts. Journal of Paleontology 75(2):401-406 (https://doi.org/10.1017/s0022336000018199)
• ↑^{1 2 3 4 5 6} C. W. Gilmore. 1930. On dinosaurian reptiles from the Two Medicine Formation of Montana. Proceedings of the United States National Museum 77(16):1-39 (https://doi.org/10.5479/si.00963801.77-2839.1)
• ↑^{1 2 3} K. Carpenter. 1990. Ankylosaur systematics: example using Panoplosaurus and Edmontonia (Ankylosauria: Nodosauridae). Dinosaur Systematics: Approaches and Perspectives (https://doi.org/10.1017/cbo9780511608377.024)
• ↑¹ W. P. Coombs, Jr. 1990. Teeth and taxonomy in ankylosaurs. In K. Carpenter & P. J. Currie (eds.), Dinosaur Systematics: Perspectives and Approaches. Cambridge University Press, Cambridge
• ↑^{1 2} W. P. Coombs. 1978. The families of the ornithischian dinosaur order Ankylosauria. Palaeontology 21(1):143-170
• ↑¹ L. S. Russell. 1940. Edmontonia rugosidens (Gilmore), an armored dinosaur from the Belly River Series of Alberta. University of Toronto Studies, Geology Series 43:3-27
• ↑^{1 2 3 4 5 6 7} V. M. Arbour and P. J. Currie. 2013. Euoplocephalus tutus and the diversity of ankylosaurid dinosaurs in the Late Cretaceous of Alberta, Canada, and Montana, USA. PLoS ONE 8(5):e62421:1.-39 (https://doi.org/10.1371/journal.pone.0062421)
• ↑^{1 2 3 4} P. Penkalski. 2018. Revised systematics of the armoured dinosaur Euoplocephalus and its allies. Neues Jahrbuch für Geologie und Paläontologie Abhandlungen 287(3):261-306 (https://doi.org/10.1127/njgpa/2018/0717)
• ↑^{1 2} R. S. Lull. 1933. A revision of the Ceratopsia or horned dinosaurs. Memoirs of the Peabody Museum of Natural History 3(3):1-175 (https://doi.org/10.5962/bhl.title.5716)
• ↑^{1 2} C. W. Gilmore. 1914. A new ceratopsian dinosaur from the Upper Cretaceous of Montana, with note on Hypacrosaurus. Smithsonian Miscellaneous Collections 63(3):1-10
• ↑¹ C. W. Gilmore. 1922. The smallest known horned dinosaur, Brachyceratops. Proceedings of the United States National Museum 61(3):1-4 (https://doi.org/10.5479/si.00963801.61-2424.1)
• ↑^{1 2 3 4 5 6 7 8 9} C. W. Gilmore. 1917. Brachyceratops, a ceratopsian dinosaur from the Two Medicine Formation of Montana, with notes on associated fossil reptiles. United States Geological Survey Professional Paper 103:1-45 (https://doi.org/10.3133/pp103)
• ↑^{1 2 3 4 5} J. R. Horner. 1989. The Mesozoic terrestrial ecosystems of Montana. Geologic Resources of Montana. 1989 Montana Geological Society Field Conference and Symposium Guidebook
• ↑^{1 2} J. P. Wilson, M. J. Ryan, and D. C. Evans. 2020. A new, transitional centrosaurine ceratopsid from the Upper Cretaceous Two Medicine Formation of Montana and the evolution of the 'Styracosaurus-line' dinosaurs. Royal Society Open Science 7:200284 (https://doi.org/10.1098/rsos.200284)
• ↑¹ A. M. Bailleul, W. Zheng, and J. R. Horner, B. K. Hall, C. M. Holliday, M. H. Schweitzer. 2020. Evidence of proteins, chromosomes and chemical markers of DNA in exceptionally preserved dinosaur cartilage. National Science Review 7(4):815-822 (https://doi.org/10.1093/nsr/nwz206)
• ↑¹ L. N. Cooper, A. H. Lee, and M. L. Taper, J. R. Horner. 2008. Relative growth rates of predator and prey dinosaurs reflect effects of predation. Proceedings of the Royal Society of London B (https://doi.org/10.1098/rspb.2008.0912)
• ↑¹ K. S. Brink, D. K. Zelenitsky, and D. C. Evans, J. R. Horner, F. Therrien. 2014. Cranial morphology and variation in Hypacrosaurus stebingeri (Ornithischia: Hadrosauridae). Hadrosaurs
• ↑^{1 2} C. W. Gilmore. 1937. On the detailed skull structure of a crested hadrosaurian dinosaur. Proceedings of the United States National Museum 84(3023):481-491 (https://doi.org/10.5479/si.00963801.84-3023.481)
• ↑^{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22} R. S. Lull and N. E. Wright. 1942. Hadrosaurian dinosaurs of North America. Geological Society of America Special Paper 40:1-242 (https://doi.org/10.1130/spe40-p1)
• ↑^{1 2} C. W. Gilmore. 1936. Fossil hunting in Montana and Wyoming. Explorations and Field-Work of the Smithsonian Institution in 1935 3382:1-4
• ↑^{1 2 3} C. W. Gilmore. 1939. Ceratopsian dinosaurs from the Two Medicine Formation, Upper Cretaceous of Montana. Proceedings of the United States National Museum 87(3066):1-18 (https://doi.org/10.5479/si.00963801.87-3066.1)
• ↑^{1 2 3 4} B. J. Chinnery and J. R. Horner. 2003. New basal neoceratopsian from the lower Two Medicine Formation of Montana provides a link between Asian and North American taxa. Journal of Vertebrate Paleontology 23(3, suppl.):40A
• ↑^{1 2 3 4} B. J. Chinnery and J. R. Horner. 2007. A new neoceratopsian dinosaur linking North American and Asian taxa. Journal of Vertebrate Paleontology 27(3):625-641 (https://doi.org/10.1671/0272-4634(2007)27[625:anndln]2.0.co;2)
• ↑^{1 2} B. Scherzer and D. Varricchio. 2005. Taphonomy of a juvenile lambeosaur bonebed from the Two Medicine Formation of Montana. Journal of Vertebrate Paleontology 25(3, suppl.):110A
• ↑¹ B. A. Scherzer and D. J. Varricchio. 2010. Taphonomy of a juvenile lambeosaurine bonebed from the Two Medicine Formation (Campanian) of Montana, United States. Palaios 25(12):780-795 (https://doi.org/10.2110/palo.2009.p09-143r)
• ↑¹ W. J. Morris. 1978. Hypacrosaurus altispinus? Brown from the Two Medicine Formation, Montana a taxonomically indeterminate specimen. Journal of Paleontology 52(1):200-205
• ↑^{1 2} P. J. Currie and J. R. Horner. 1988. Lambeosaurine hadrosaur embryos (Reptilia: Ornithischia). Journal of Vertebrate Paleontology 8(3 (suppl.)):13A
• ↑¹ D. J. Varricchio. 2001. Late Cretaceous oviraptorosaur (Theropoda) dinosaurs from Montana. D. H. Tanke and K. Carpenter (eds.), Mesozoic Vertebrate Life, Indiana University Press, Bloomington
• ↑¹ N. R. Longrich, K. Barnes, and S. Clark, L. Millar. 2013. Caenagnathidae from the upper Campanian Aguja Formation of west Texas, and a revision of the Caenagnathinae. Bulletin of the Peabody Museum of Natural History 54(1):23-49 (https://doi.org/10.3374/014.054.0102)
• ↑^{1 2} M. Brandvold and J. Brandvold. 1996. Taphonomy of the Jones' Site, Two Medicine Formation (Campanian) of north-central Montana with evidence of theropod feeding techniques based on bioturbation. Journal of Vertebrate Paleontology 16(3, suppl.):23A
• ↑¹ D. A. Burnham, K. L. Derstler, and P. J. Currie, R. T. Bakker, Z. Zhou, J. H. Ostrom. 2000. Remarkable new birdlike dinosaur (Theropoda: Maniraptora) from the Upper Cretaceous of Montana. University of Kansas Paleontological Contributions 13:1-14
• ↑¹ D. Trexler. 2001. Two Medicine Formation, Montana: geology and fauna. Mesozoic Vertebrate Life: New Research Inspired by the Paleontology of Philip J. Currie
• ↑¹ J. Brandvold and F. G. Sweeney. 1996. Breakage and wear patterns in Campanian theropod teeth suggesting hammering to crush bones. Journal of Vertebrate Paleontology 16(3, suppl.) (https://doi.org/23A)
• ↑^{1 2} K. Carpenter and K. Alf. 1994. Global distribution of dinosaur eggs, nests, and babies. Dinosaur Eggs and Babies, Cambridge University Press, Cambridge
• ↑^{1 2} P. J. Currie, D. Trexler, and E. B. Koppelhus, K. Wicks, N. Murphy. 2005. An unusual multi-individual bonebed in the Two Medicine Formation (Late Cretaceous, Campanian) of Montana (USA). The Carnivorous Dinosaurs. Indiana University Press, Bloomington
• ↑¹ A. L. Titus, K. Knoll, and J. J. W. Sertich, D. Yamamura, C. A. Suarez, I. J. Glasspool, J. E. Ginouves, A. K. Lukacic, E. M. Roberts. 2021. Geology and taphonomy of a unique tyrannosaurid bonebed from the upper Campanian Kaiparowits Formation of southern Utah: implications for tyrannosaurid gregariousness. PeerJ 9:e11013:1-50 (https://doi.org/10.7717/peerj.11013)
• ↑¹ B. J. Chinnery. 2004. Description of Prenoceratops pieganensis gen. et sp. nov. (Dinosauria: Neoceratopsia) from the Two Medicine Formation of Montana. Journal of Vertebrate Paleontology 24(3):572-590 (https://doi.org/10.1671/0272-4634(2004)024[0572:doppge]2.0.co;2)
• ↑¹ M. J. Ryan, L. Micucci, and H. Rizo, C. Sullivan, Y.-N. Lee, D. C. Evans. 2023. A new Late Cretaceous leptoceratopsid (Dinosauria: Ceratopsia) from the Oldman Formation (Campanian) of Alberta, Canada. Windows into Sauropsid and Synapsid Evolution: Essays in Honor of Prof. Louis L. Jacobs
• ↑¹ P. Dodson. 1975. Taxonomic implications of relative growth in lambeosaurine dinosaurs. Systematic Zoology 24:37-54 (https://doi.org/10.2307/2412696)
• ↑¹ A. Prieto-Márquez. 2010. Glishades ericksoni, a new hadrosauroid (Dinosauria: Ornithopoda) from the Late Cretaceous of North America. Zootaxa 2452:1-17 (https://doi.org/10.11646/zootaxa.2452.1.1)
• ↑¹ P. R. Bell and K. S. Brink. 2013. Kazaklambia convincens comb. nov., a primitive juvenile lambeosaurine from the Santonian of Kazakhstan. Cretaceous Research 45:265-274 (https://doi.org/10.1016/j.cretres.2013.05.003)
• ↑¹ N. E. Campione, K. S. Brink, and E. A. Freedman, C. T. McGarrity, D. C. Evans. 2013. ‘Glishades ericksoni’, an indeterminate juvenile hadrosaurid from the Two Medicine Formation of Montana: implications for hadrosauroid diversity in the latest Cretaceous (Campanian-Maastrichtian) of western North America. Palaeobiodiversity and Palaeoenvironments 93:65-75 (https://doi.org/10.1007/s12549-012-0097-1)
• ↑¹ F. D. Jackson and D. J. Varricchio. 2010. Fossil eggs and eggshell from the lowermost Two Medicine Formation of western Montana, Sevenmile Hill locality. Journal of Vertebrate Paleontology 30(4):1142-1156 (https://doi.org/10.1080/02724634.2010.483537)
• ↑^{1 2} T. A. Gates, J. R. Horner, and R. R. Hanna, C. R. Nelson. 2011. New unadorned hadrosaurine hadrosaurid (Dinosauria, Ornithopoda) from the Campanian of North America. Journal of Vertebrate Paleontology 31(4):798-811 (https://doi.org/10.1080/02724634.2011.577854)
• ↑^{1 2} P. Penkalski. 2014. A new ankylosaurid from the late Cretaceous Two Medicine Formation of Montana, USA. Acta Palaeontologica Polonica (https://doi.org/10.4202/app.2012.0125)
• ↑¹ M. T. Carrano. 2025. Taxonomic opinions on the Dinosauria.
• ↑¹ J. S. McIntosh. 1981. Annotated catalogue of the dinosaurs (Reptilia, Archosauria) in the collections of the Carnegie Museum of Natural History. Bulletin of Carnegie Museum of Natural History 18:1-67 (https://doi.org/10.5962/p.228597)
• ↑¹ M. T. Carrano. 2015. Fossil Vertebrate Collections, Carnegie Museum of Natural History
• ↑¹ A. Prieto-Márquez. 2012. The skull and appendicular skeleton of Gryposaurus latidens, a saurolophine hadrosaurid(Dinosauria: Ornithopoda) from the early Campanian (Cretaceous) of Montana, USA. Canadian Journal of Earth Sciences 49(3):510-532 (https://doi.org/10.1139/E11-069)
• ↑^{1 2} W. P. Coombs. 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 (https://doi.org/10.1139/e95-075)
• ↑^{1 2} K. S. Brink, D. K. Zelenitsky, and D. C. Evans, F. Therrien, J. R. Horner. 2011. A sub-adult skull of Hypacrosaurus stebingeri (Ornithischia: Lambeosaurinae): anatomy and comparison. Historical Biology 23(1):63-72 (https://doi.org/10.1080/08912963.2010.499169)
• ↑^{1 2} A. J. Martin and D. J. Varricchio. 2011. Paleoecological utility of insect trace fossils in dinosaur nesting sites of the Two Medicine Formation (Campanian), Choteau, Montana. Historical Biology 23(1):15-25 (https://doi.org/10.1080/08912963.2010.505285)
• ↑¹ P. J. Currie, W. Langston, and D. H. Tanke. 2008. A new species of Pachyrhinosaurus (Dinosauria, Ceratopsidae) from the Upper Cretaceous of Alberta, Canada. in A New Horned Dinosaur from an Upper Cretaceous Bone Bed in Alberta