Tokioka, T. (1954). Contribution to Japanese ascidian fauna. 9. Re-description of Oka's species found in 'Figuraro de Japanoj Bestoj'. Publ. Seto Mar. Biol. Lab. 4(1): 69-74.
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Tokioka, T.
1954
Contribution to Japanese ascidian fauna. 9. Re-description of Oka's species found in 'Figuraro de Japanoj Bestoj'