Imaoka, T., Irimura, S., Okutani, T., Oguro, C., Shigei, M. & Horikawa, H. (1990). Echinoderms from the Continental Shelf and Slope around Japan. Vol. I. The Intensive Research of Unexploited Fishery Resources on Continental Slopes. Tokyo: Japan Fisheries Resource Conservation Association. 1-159.
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Imaoka, T., Irimura, S., Okutani, T., Oguro, C., Shigei, M. & Horikawa, H.
1990
<em>Echinoderms from the Continental Shelf and Slope around Japan. Vol. I. The Intensive Research of Unexploited Fishery Resources on Continental Slopes.</em> Tokyo: Japan Fisheries Resource Conservation Association
