Ijima, I. & Ikeda, S. (1895). Description of Opisthoteuthis depressa n. sp. The journal of the College of Science, Imperial University, Japan. 8: 323–337.
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Ijima, I. & Ikeda, S.
1895
Description of <i>Opisthoteuthis depressa</i> n. sp.
The journal of the College of Science, Imperial University, Japan