Classification of González-Rodríguez et al. 2004
Cl. Pisces Linnaeus 1758
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Infracl. Neopterygii Regan 1923
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Unr. Halecostomi Regan 1903
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Fm. †Macrosemiidae Thiollière 1858
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G. †Macrosemiocotzus González-Rodríguez et al. 2004
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†Macrosemiocotzus americanus González-Rodríguez et al. 2004