Classification of the order Gnathophiurida

Subor. Gnathophiurina Matsumoto 1915
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Superfm. Amphiuroidea Ljungman 1867
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Fm. Amphiuridae Ljungman 1867
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G. Amphioplus Verrill 1899
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†Amphioplus uchigoensis Ishida 1992
G. Amphiura Forbes 1843
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†Amphiura cretacea Spencer 1907
†Amphiura lymani Waring 1917
†Amphiura plana Kutscher and Jagt 2000
†Amphiura sanctaecrucis Arnold 1908
G. †Bibophiura Bignot et al. 1987
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†Bibophiura operculifera Bignot et al. 1987
G. †Deckersamphiura Jagt 2000
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†Deckersamphiura vitea Jagt 2001
G. Nullamphiura Fell 1962
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†Nullamphiura felli Skwarko 1963
G. Ophiocnida Lyman 1865
G. †Xanthamphiura Hess 1970
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Invalid names: Amphiurinae Matsumoto 1915 [empty], Ophiactininae Matsumoto 1915 [empty]
Invalid names: Amphilepididae Matsumoto 1915 [empty]
Superfm. Ophiactoidea Matsumoto 1915
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Fm. Ophiactidae Matsumoto 1915
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G. Ophiactis Lütken 1856
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†Ophiactis applegatei Martin-Medrano et al. 2009
†Ophiactis sulcata Kutscher and Jagt 2000
Fm. Ophiopholidae O'Hara et al. 2018
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G. Ophiopholis Müller and Troschel 1840
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Fm. Ophiotrichidae Ljungman 1867
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G. Ophiothela Verrill 1867
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†Ophiothela semirotunda Kutscher and Jagt 2000
G. Ophiothrix Müller and Troschel 1840
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†Ophiothrix bongaertsi Kutscher and Jagt 2000
†Ophiothrix cristata Kutscher and Jagt 2000
†Ophiothrix royeri de Loriol 1872
Invalid names: Ophiothamnidae O'Hara et al. 2018 [empty]