Classification of Shimada et al. 2006

Or. †Pycnodontiformes Berg 1937
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Fm. †Nursalliidae Blot 1987
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G. †Abdobalistum Poyato-Ariza and Wenz 2002
G. †Nursallia Blot 1987
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Nursallia veronae Blot 1987
G. †Palaeobalistum Blainville 1818
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Palaeobalistum orbiculatum Blainville 1818
Fm. †Pycnodontidae Agassiz 1833
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G. †Micropycnodon Hibbard and Graffham 1945
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Micropycnodon kansasensis Hibbard and Graffham 1941
Or. †Pachycormiformes Berg 1940
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Fm. †Pachycormidae Woodward 1895
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G. †Protosphyraena Leidy 1857
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Protosphyraena bentoniana Stewart 1898
Protosphyraena nitida Cope 1873
Or. Elopiformes Sauvage 1875
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Fm. †Pachyrhizodontidae Cope 1872
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G. †Pachyrhizodus Agassiz 1850
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Pachyrhizodus basalis Dixon 1850
Pachyrhizodus minimus Stewart 1899
Fm. †Sclerorhynchidae Capetta 1974
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G. †Ptychotrygon Jaekel 1894
Fm. †Anacoracidae Casier 1947
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G. †Microcorax Cappetta and Case 1975
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Microcorax crassus Cappetta and Case 1975
G. †Squalicorax Whitley 1939 [crow shark]
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Squalicorax curvatus Williston 1900
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Invalid names: Corax baharijensis Stromer 1927 [synonym]
Squalicorax falcatus Agassiz 1843
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Invalid names: Corax boreaui Coquand 1860 [synonym], Corax elongatus Coquand 1860 [synonym], Corax heterodon Reuss 1845 [synonym], Corax obliquus Reuss 1845 [synonym], Galeocerdo hartwellii Cope 1872 [synonym]
Fm. Odontaspididae Müller and Henle 1839 [sand tiger shark]
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G. Carcharias Rafinesque 1810 [sand shark]
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Carcharias amonensis Cappetta and Case 1975
Carcharias saskatchewanensis Case et al. 1990
Carcharias tenuiplicatus Cappetta and Case 1975
Invalid names: Cenocarcharias Cappetta and Case 1999 [synonym]
G. †Johnlongia Siverson 1996
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Johnlongia parvidens Cappetta 1973
Fm. †Cretoxyrhinidae Glückman 1958
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G. †Archaeolamna Siverson 1992
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G. †Cretalamna Glikman 1958
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Cretalamna appendiculata Agassiz 1835
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Invalid names: Otodus latus Agassiz 1838 [synonym]
G. †Cretodus Sokolov 1965
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Cretodus semiplicatus Agassiz 1843
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Invalid names: Otodus crassus Woodward 1888 [synonym], Otodus divaricatus Leidy 1872 [synonym], Otodus michoni Coquand 1860 [synonym], Otodus sulcatus Geinitz 1843 [synonym], Scyllium rugosus Williston 1900 [synonym]
G. †Cretoxyrhina Glikman 1958
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Cretoxyrhina mantelli Agassiz 1835
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Invalid names: Oxyrhina extenta Leidy 1873 [synonym]
Fm. Rhinobatidae Müller and Henle 1837
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G. Rhinobatos Link 1790
Subor. Albuloidei
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Fm. Albulidae Bleeker 1859
Or. †Ichthyodectiformes Bardack and Sprinkle 1969
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Fm. †Ichthyodectidae Crook 1892
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G. †Ichthyodectes Cope 1870
G. †Xiphactinus Leidy 1870
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Xiphactinus audax Leidy 1870
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Invalid names: Portheus lestrio Cope 1873 [synonym], Portheus lowii Stewart 1898 [synonym], Portheus molossus Cope 1871 [synonym], Portheus mudgei Cope 1874 [synonym], Saurocephalus thaumas Cope 1870 [synonym], Xiphactinus brachygnathus Stewart 1898 [synonym]
Xiphactinus vetus Leidy 1856
Subor. Enchodontoidei Berg 1937
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Fm. †Enchodontidae Woodward 1901
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G. †Enchodus Agassiz 1835
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Enchodus gladiolus Cope 1872
Enchodus lewesiensis Mantell 1822
Enchodus petrosus Cope 1874
Enchodus shumardi Leidy 1856
G. †Cretomanta Case et al. 1990
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Cretomanta canadensis Case et al. 1990
Or. †Tselfatiiformes Nelson 1994
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Fm. †Plethodidae Loomis 1900
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G. †Bananogmius Whitley 1940
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G. †Ptychodus Agassiz 1834
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Ptychodus anonymus Williston 1900
Ptychodus decurrens Agassiz 1838
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Invalid names: Ptychodus depressus Dixon 1850 [synonym], Ptychodus multistriatus Woodward 1889 [synonym], Ptychodus oweni Dixon 1850 [synonym]
Ptychodus occidentalis Leidy 1868
Fm. Parascylliidae Gill 1862 [collared carpetshark]
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G. †Pararhincodon Herman 1975
G. †Callodus Thurmond 1974
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Callodus coronatus Thurmond 1974