Classification of Underwood 2002

Or. Heterodontiformes Berg 1940 [bullhead shark]
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Fm. Heterodontidae Gray 1851
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G. Heterodontus de Blainville 1816 [bullhead shark]
G. †Paracestracion Koken in Zittel 1911
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†Paracestracion falcifer Wagner 1857
Or. Orectolobiformes Applegate 1972 [carpet shark]
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G. †Cantioscyllium Woodward 1889
Or. Carcharhiniformes Compagno 1973 [ground shark]
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Fm. Scyliorhinidae Gill 1862 [cat shark]
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G. †Palaeoscyllium Wagner 1857
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†Palaeoscyllium formosum Wagner 1857
Or. Rajiformes Berg 1940 [ray]
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Fm. Rhinobatidae Müller and Henle 1837
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G. †Spathobatis Thiollière 1849
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†Spathobatis bugesiacus Thiollière 1854
Or. Chimaeriformes Obruchev 1953 [chimaera]
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G. †Ischyodus Egerton 1843
Fm. Hemiscylliidae Gill 1862
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G. †Pseudospinax Müller and Diedrich 1991
Fm. Squatinidae Bonaparte 1838 [angel shark]
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G. †Squatina Dumeril 1806
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†Squatina alifera Münster 1842
†Squatina frequens Underwood 2002
Or. †Synechodontiformes Duffin and Ward 1993
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Fm. †Palaeospinacidae Regan 1906
Superor. †Hypnosqualea Carvalho and Maisey 1996
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Fm. †Protospinacidae Woodward 1919
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G. †Protospinax Woodward 1919
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†Protospinax planus Underwood 2002
Fm. †Hybodontidae Agassiz 1834
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G. †Hybodus Agassiz 1834
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†Hybodus obtusus Agassiz 1839
Fm. †Paleospinacidae Regan 1906
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G. †Synechodus Woodward 1888
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†Synechodus plicatus Underwood 2002