Koltun, V.M. (1962). Four rayed and siliceous horny sponges from the Pacific shallow waters of Paramushir and Shumshu Islands. Issledovaniya dal'nevostochnykh morei SSSR. 8: 181-199 [In Russian].
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Koltun, V.M.
1962
Four rayed and siliceous horny sponges from the Pacific shallow waters of Paramushir and Shumshu Islands