Classification of Villafaña et al. 2020

Or. Hexanchiformes de Buen 1926
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G. Chlamydoselachus Garman 1884
Fm. Hexanchidae Gray 1851 [cow shark]
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G. Notorynchus Ayers 1855
G. Notorhynchus Ayres 1855 [sevengill shark]
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†Notorhynchus primigenius Agassiz 1835
Or. Squaliformes Goodrich 1909
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Fm. Centrophoridae Bleeker 1859 [gulper shark]
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G. Centrophorus Müller and Henle 1837
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†Centrophorus granulosus Bloch and Schneider 1801
G. Deania Jordan and Snyder 1902
Fm. Dalatiidae Gray 1851
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G. Isistius Gill 1864
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†Isistius triangulus Probst 1879
Fm. Squalidae Bonaparte 1834 [dogfish shark]
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G. Squalus Linnaeus 1758
Or. Pristiophoriformes Berg 1958 [saw shark]
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Fm. Pristiophoridae Bleeker 1859
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G. Pristiophorus Bleeker 1859
Or. Squatiniformes Buen 1926
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Fm. Squatinidae Bonaparte 1838 [angel shark]
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G. †Squatina Dumeril 1806
Or. Lamniformes Berg 1958 [mackerel shark]
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Fm. Alopiidae Bonaparte 1838 [thresher shark]
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G. Alopias Rafinesque 1810 [thresher shark]
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†Alopias exigua Probst 1879
Fm. Lamnidae Müller and Henle 1838 [mackerel shark]
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G. Carcharodon Smith 1838 [white shark]
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†Carcharodon hastalis Agassiz 1838
Fm. Mitsukurinidae Jordan 1898 [goblin shark]
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G. Mitsukurina Jordan 1898
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†Mitsukurina lineata Probst 1879
Fm. Odontaspididae Müller and Henle 1839 [sand tiger shark]
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G. †Araloselachus Glikman 1964
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†Araloselachus cuspidatus Agassiz 1843
G. Carcharias Rafinesque 1810 [sand shark]
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†Carcharias acutissimus Agassiz 1843
G. Odontaspis Agassiz 1838 [sand tiger shark]
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†Odontaspis molassica Probst 1879
Or. Carcharhiniformes Compagno 1973 [ground shark]
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Fm. Carcharhinidae Jordan and Evermann 1896 [requiem shark]
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G. Carcharhinus de Blainville 1816
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†Carcharhinus priscus Agassiz 1843
G. Galeocerdo Müller and Henle 1837 [tiger shark]
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†Galeocerdo aduncus Agassiz 1835
G. Isogomphodon Gill 1862 [daggernose shark]
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†Isogomphodon acuarias Probst 1879
G. †Physogaleus Cappetta 1980
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†Physogaleus contortus Gibbes 1847
G. Rhizoprionodon Whitley 1929 [sharpnose shark]
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G. Chaenogaleus Gill 1861
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†Chaenogaleus affinis Probst 1878
G. Paragaleus Budker 1935
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†Paragaleus pulchellus Jonet 1966
Fm. Scyliorhinidae Gill 1862 [cat shark]
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G. †Premontreia Cappetta 1992
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†Premontreia distans Probst 1879
G. Scyliorhinus Blainville 1816
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†Scyliorhinus fossilis Leriche 1927
Fm. Sphyrnidae Gill 1872 [hammerhead shark]
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G. Sphyrna Rafinesque 1810 [hammerhead shark]
Or. Rajiformes Berg 1940 [ray]
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Fm. Rajidae Blainville 1816 [skate]
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G. Raja Linnaeus 1758
Superor. Batomorphii Cappetta 1980
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Or. Myliobatiformes Compagno 1973 [stingray]
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Fm. Dasyatidae Jordan 1888 [whiptail stingray]
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G. Dasyatis Rafinesque 1810
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†Dasyatis rugosa Probst 1877
†Dasyatis strangulata Probst 1877
G. †Taeniurops Garman 1913
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†Taeniurops cavernosus Probst 1877
Fm. Myliobatidae Bonaparte 1838 [eagle ray]
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G. Myliobatis Cuvier 1816
Fm. Rhinopteridae Jordan and Evermann 1896 [cow-nosed ray]
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G. Rhinoptera Cuvier 1829 [cownose ray]
Invalid names: Aetobatidae Agassiz 1861 [empty]
Or. †Rhinopristiformes Last et al. 2016
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Fm. †Rhinidae
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G. Rhynchobatus Müller and Henle 1837