Tokioka, T. (1959). Contribution to Japanese ascidian fauna. 14. Sporadic memorandum (5). On two large colonies of compound ascidians dredged in the Tyosen Straits. Publ. Seto Mar. Biol. Lab. 7: 237-239.
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Tokioka, T.
1959
Contribution to Japanese ascidian fauna. 14. Sporadic memorandum (5). On two large colonies of compound ascidians dredged in the Tyosen Straits