Williston, S.W. (1900)
Cretaceous fishes. Selachians and Ptychodonts. University Geological Survey of Kansas, 6(2): 237–256, pl. 24–32.
Williston, S.W. (1900)
Some fish teeth from the Kansas Cretaceous. Kansas University Quarterly, 9(1): 27–42, pl. 6–14.
Hay, O.P. (1902)
Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868
Herman, J. (1977)
Les Sélaciens des terrains néocrétacés et paléocènes de Belgique et des contrées limitrophes. Eléments d'une biostratigraphie intercontinentale. Mémoires pour servir à l'explication des Cartes géologiques et minières de la Belgique, 15, 1–401
Evetts, M.J. (1979)
Upper Cretaceous sharks from the Black Hills region, Wyoming and South Dakota. Mountain Geologist, 16(2), 59–66
Schultze, H.-P. & Stewart, J.D. & Neuner, A.M. & Coldiron, R.W. (1982)
Type and figured specimens of fossil vertebrates in the collection of the University of Kansas Museum of Natural History. Part I. Fossil Fishes. University of Kansas, Museum of Natural History, Miscellaneous Publication, 73: 1–53
Wolberg, D. (1985)
Selachians from the Late Cretaceous (Turonian) Atarque Sandstone Member, Tres Hermanos Formation, Sevilleta Grant, Socorro County, New Mexico. New Mexico Geology, 7, 1–7
Wolberg, D. (1985)
Selachians from the Atarque Sandstone Member of the Tres Hermanos Formation (Upper Cretaceous: Turonian), Sevilleta Grant near La Joya, Socorro County, New Mexico. New Mexico Bureau of Mines and Mineral Resources, Circular, 195, 7–19
Welton, B.J. & Farish, R.F. (1993)
The collector's guide to fossil sharks and rays from the Cretaceous of Texas. Before Time, Lewisville, 1993
Trbusek, J. (1999)
Upper Cretaceous Sharks and Rays from the Prokop Opencast Mine at Brezina Near Moravska Trebova. Acta Universitatis Palackianae Olmucensis, Geologica, 36, 51–61
Cicimurri, D.J. (2001)
Cretaceous elasmobranchs of the Greenhorn Formation (Middle Cenomanian-Middle Turonian), western South Dakota Proceedings of the 6th Fossil Resource Conference: National Park Service Geological Resource Division Technical Report NPS/NRGRD/ GRDTR01/01. p. 27–43 in V. L. Santucci and L. McClelland(eds.),
Parkin, J.A. & Palermo, J.M. & Shimada, K. & Schumacher, B.A. (2002)
Fossil fishes from the lowermost Greenhorn Limestone (Upper Cretaceous: Middle Cenomanian) in southeastern Colorado [Abstract]. Geological Society of America Abstracts with Programs
Everhart, M.J. & Caggiano, T. & Shimada, K. (2003)
Note on the occurrence of five species of ptychodontid sharks from a single locality in the Smoky Hill Chalk (Late Cretaceous) of western Kansas [Abstract]. Kansas Academy of Science, Abstracts 22: 29
Johnson, S.C. & Lucas, S.G. (2003)
Middle Turonian (Late Cretaceous) selachian fossil assemblages from central New Mexico [Abstract]. Geological Society of America, Abstracts with Programs, 35: 15
Lucas, S.G. & Johnson, S.C. (2003)
Cretaceous invertebrate and selachian fossil assemblage from the Juana Lopez Member of the Mancos Shale near Herrera, west-central New Mexico. New Mexico Geological Society Guidebook, 54th Field Conference, Geology of the Zuni Plateau: 347–351
Cicimurri, D.J. (2004)
Late Cretaceous Chondrichthyans from the Carlile Shale (Middle Turonian to Early Coniacian) of the Black Hills Region, South Dakota and Wyoming. Mountain Geologist, 41(1), 1–16
Everhart, M.J. & Caggiano, T. (2004)
An associated dentition and calcified vertebral centra of the Late Cretaceous elasmobranch, Ptychodus anonymus Williston 1900. Paludicola, 4(4), 125–136
González-Barba, G. & Espinosa-Chavez, B. (2005)
Cenomanian-Turonian Fish Fauna from the Boquillas Formation at Jaboncillos, North-West Coahuila, Mexico. In Fourth International Meeting On Mesozoic Fishes – Systematics, Homology, And Nomenclature Miraflores De La Sierra, Madrid, Spain August 8th–14th, 2005, Extended Abstracts: 105–108
Cumbaa, S.L. & Schröder-Adams, C. & Day, R.G. & Phillips, A.J. (2006)
Cenomanian bonebed faunas from the northeastern margin, Western Interior seaway, Canada. New Mexico Museum of Natural History and Science, Bulletin, 35, 139–155
Shimada, K. (2006)
Marine vertebrates from the Blue Hill shale Member of the Carlile Shale (Upper Cretaceous: Middle Turonian) in Kansas. New Mexico Museum of Natural History and Science, Bulletin, 35, 165–175
Shimada, K. & Cicimurri, D.J. (2006)
Annotated checklist of fossil fishes from the Smoky Hill Chalk of the Niobrara Chalk (Upper Cretaceous) in Kansas. New Mexico Museum of Natural History and Science, Bulletin, 35, 193–213
Shimada, K. & Schumacher, B.A. & Parkin, J.A. & Palermo, J.M. (2006)
Fossil marine vertebrates from the lowermost Greenhorn Limestone (Upper Cretaceous: Middle Cenomanian) in southeastern Colorado. Journal of Paleontology, 80(sp63), 1–45
DOI: 10.1666/0022-3360(2006)80[1:FMVFTL]2.0.CO;2
Williams, S.C. (2006)
Late Cretaceous selachian biostratigraphy in New Mexico. M.S. thesis: Albuquerque, University of New Mexico, 117 p.
Murphy, J.W. & Lucas, S.G. & Spielmann, J.A. (2007)
Upper Cenomanian selachian assemblage from the Bridge Creek Member of the Mancos Shale, Socorro County, New Mexico [Abstract]. New Mexico Geological Society, Programm with abstracts: 38
Shimada, K. & Kim, S.H. & Rigsby, C.K. (2007)
Partial skull of Late Cretaceous durophagous shark, Ptychodus anonymus (Ptychodontidae), from Nebraska [Abstract]. Journal of Vertebrate Paleontology, 27(Supplement to Number 3), 145A
Hamm, S.A. (2008)
Systematic, stratigraphic, geographic, and paleoecological distribution of the Late Cretaceous shark genus Ptychodus within the Western Interior Seaway. Unpublished MS thesis, University of Texas, Dallas, 434 pp
Shimada, K. & Martin, D.J. (2008)
Fossil fishes from the basal Greenhorn Limestone (Upper Cretaceous: late Cenomanian) in Russell County, Kansas. Fort Hays Studies, (Special Issue 2), 89–103
Lucas, S.G. & Spielmann, J.A. (2009)
Low diversity selachian assemblage from the upper cretaceous Greenhorn Limestone, Socorro County, New Mexico. New Mexico Geological Society Guidebook, 60th Field Conference, Geology of the Chupadera Mesa Region: 311–314
Cumbaa, S.L. & Shimada, K. & Cook, T.D. (2010)
Mid-Cenomanian vertebrate faunas of the WesternInterior Seaway of North America and their evolutionary, paleobiogeographical, and paleoecological implications. Palaeogeography, Palaeoclimatology, Palaeoecology, 295(1–2), 199–214
DOI: 10.1016/j.palaeo.2010.05.038
Nagrodski, M. & Shimada, K. & Schumacher, B.A. (2010)
Fossil marine vertebrates from the Upper Cretaceous Hartland Shale in southeastern Colorado [Abstract]. Journal of Vertebrate Paleontology, 30(Supplement to Number 2), 138A–139A
DOI: 10.1080/02724634.2010.10411819
Myers, C.E. & Lieberman, B.S. (2011)
Sharks that pass in the night: using Geographical Information Systems to investigate competition in the Cretaceous Western Interior Seaway. Proceedings of the Royal Society of London, Series B, 278(1706), 681–689
DOI: 10.1098/rspb.2010.1617
Bice, K.N. & Shimada, K. & Kirkland, J.I. (2012)
Late Cretaceous marine fishes from the Upper Greenhorn Limestone in southeastern Nebraska, USA [Abstract]. Journal of Vertebrate Paleontology, 32(Suppl. 1), 64
Nagrodski, M. & Shimada, K. & Schumacher, B.A. (2012)
Marine vertebrates from the Hartland Shale (Upper Cretaceous: Upper Cenomanian) in southeastern Colorado, USA. Cretaceous Research, 37, 76–88
DOI: 10.1016/j.cretres.2012.03.007
Albright, L.B. & Gillette, D.D. & Titus, A. (2013)
Fossil vertebrates from the tropic shale (Upper cretaceous), southern Utah. In Titus, A.L., Loewen, M.A. (Eds.), At the Top of the Grand Staircaes, The Late Cretaceous of Southern Utah. Indiana University Press.
Bice, K.N. & Shimada, K. & Kirkland, J.I. (2013)
Late Cretaceous Marine Fishes from the Upper Greenhorn Limestone in Southeastern Nebraska. Transactions of the Kansas Academy of Science, 116(1–2), 22–26
DOI: 10.1660/062.116.0104
Cook, T.D. & Wilson, M.V.H. & Murray, A.M. & Plint, A.G. & Newbrey, M.G. & Everhart, M.J. (2013)
A high latitude euselachian assemblage from the early Turonian of Alberta, Canada. Journal of Systematic Palaeontology, 11(5), 555–587
DOI: 10.1080/14772019.2012.707990
Ouroumova, O. & Shimada, K. & Kirkland, J.I. (2016)
Fossil Marine Vertebrates from the Blue Hill Shale Member (Middle Turonian) of the Upper Cretaceous Carlile Shale in Northeastern Nebraska. Transactions of the Kansas Academy of Science, 119(2), 211–221
DOI: 10.1660/062.119.0213
Hamm, S.A. (2019)
First Associated Tooth Set of Ptychodus anonymus (Elasmobranchii: Ptychodontidae) in North America from the Jetmore Chalk in Kansas. Transactions of the Kansas Academy of Science, 122(1–2), 1–18
DOI: 10.1660/062.122.0101
Hamm, S.A. (2020)
Stratigraphic, Geographic, and Paleoecological Distribution of the Late Cretaceous Shark Genus Ptychodus within the Western Interior Seaway, North America. New Mexico Museum of Natural History and Science, Bulletin, 81, 1–94
Amadori, M. & Solonin, S.V. & Vodorezov, A.V. & Shell, R. & Niedzwiedzki, R. & Kriwet, J. (2022)
The extinct shark, Ptychodus (Elasmobranchii, Ptychodontidae) in the Upper Cretaceous of central-western Russia. - The road to easternmost peri-Tethyan seas. Journal of Vertebrate Paleontology, 42(2), Article e2162909
DOI: 10.1080/02724634.2022.2162909
Amadori, M. & Kovalchuk, O. & Barkaszi, Z. & Giusberti, L. & Kindlimann, R. & Kriwet, J. (2023)
A diverse assemblage of Ptychodus species (Elasmobranchii: Ptychodontidae) from the Upper Cretaceous of Ukraine, with comments on possible diversification drivers during the Cenomanian, Cretaceous Research, 151, Article 105659
DOI: 10.1016/j.cretres.2023.105659
Guinot, G. & Condamine, F.L. (2023)
Global impact and selectivity of the Cretaceous-Paleogene mass extinction among sharks, skates, and rays. Science, 379, 802–806
DOI: 10.1126/science.abn2080