Classification of Duncan 2004
Cl. Chondrichthyes Huxley 1880 [cartilaginous fish]
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Subcl. Elasmobranchii Bonaparte 1838 [elasmobranch]
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Or. Euselachii Hay 1902
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Superfm. †Hybodontoidea Agassiz 1834
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Fm. †Lonchidiidae Herman 1977
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G. †Lissodus Brough 1935
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†Lissodus africanus Broom 1913
Invalid names: Lonchidion Estes 1964 [synonym]