Classification of the order Nektaspida
Or. †Nektaspidida Raymond 1920
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Fm. †Emucarididae Paterson et al. 2010
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Fm. †Naraoiidae Walcott 1912
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G. †Misszhouia Chen et al. 1997
G. †Naraoia Walcott 1912
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†Naraoia compacta Walcott 1912
†Naraoia longicaudata Zhang and Hou 1985
†Naraoia spinosa Zhang and Hou 1985
Subcl. †Petalopleura Hou and Bergstrom 1997
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G. †Tarricoia Hammann et al. 1990
Invalid names: Naraoiida [replaced]