Copepoda source details
Ito, Takashi. (1953). Subterranean water Copepoda from Japan (III). Suido Kyokai Zasshi 13(228):20-26, figs.1-47. (In Japanese).
91573
Ito, Takashi
1953
Subterranean water Copepoda from Japan (III).
Suido Kyokai Zasshi
13(228):20-26, figs.1-47. (In Japanese).
Publication
Available in Wilson Copepod Library (non-digital)
Available for editors 
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Speocyclops yezoensis Ito, 1953 accepted as Diacyclops yezoensis (Ito Tak, 1953) accepted as Itocyclops yezoensis (Ito, 1953) (original description)