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?Nansenia ahlstromi Kawaguchi & Butler, 1984
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Nansenia antarctica Kawaguchi & Butler, 1984
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Nansenia ardesiaca Jordan & Thompson, 1914
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Nansenia atlantica Blache & Rossignol, 1962
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Nansenia candida Cohen, 1958
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Nansenia crassa Lavenberg, 1965
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Nansenia groenlandica Jordan & Evermann, 1896
- Microstomus groenlandicus Reinhardt, 1840; (valid as)
- Nansenia groenlandica Cohen, 1973
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Nansenia iberica Matallanas, 1985
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Nansenia indica Kobylyansky, 1992
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Nansenia longicauda Kawaguchi & Butler, 1984
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Nansenia macrolepis Cohen, 1986
- Bathymacrops macrolepis Gilchrist, 1922; (valid as)
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Nansenia megalopa Kawaguchi & Butler, 1984
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Nansenia oblita Cohen, 1973
- Microstoma argenteum oblitum Facciol , 1887; (valid as)
- Nansenia rissoanum Sarato, 1887; (synonym)
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Nansenia obscura Kobylyansky & Usachev, 1992
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Nansenia pelagica Kawaguchi & Butler, 1984
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Nansenia problematica Lloris & Rucabado, 1985
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?Nansenia robusta Abe, 1976
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Nansenia sanrikuensis Kanayama & Amaoka, 1983
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Nansenia tenera Kawaguchi & Butler, 1984
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Nansenia tenuicauda Kawaguchi & Butler, 1984