Classification of Siverson 1997
Or. Lamniformes Berg 1958 [mackerel shark]
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Fm. †Anacoracidae Casier 1947
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G. †Squalicorax Whitley 1939 [crow shark]
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†Squalicorax dalinkevichiusi Glikman and Shvazhaite 1971
†Squalicorax primaevus Dalinkevičius 1935
†Squalicorax primigenius Landemaine 1991
†Squalicorax pristodontus Agassiz 1835 [crow shark]
Invalid names: Eoanacorax Glikman and Shvazhaite 1971 [synonym]
Fm. Odontaspididae Müller and Henle 1839 [sand tiger shark]
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Or. †Synechodontiformes Duffin and Ward 1993
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Fm. †Palaeospinacidae Regan 1906
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G. †Paraorthacodus Glikman 1957
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†Paraorthacodus conicus Davis 1890
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Invalid names: Paraorthacodus nerviensis Leriche 1929 [synonym]
†Paraorthacodus recurvus Trautschold 1877
†Pseudocorax granti Cappetta and Case 1975
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Invalid names: Pseudocorax primulus Müller and Diedrich 1991 [synonym]
G. †Pseudoisurus Glikman 1957
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