Literature

Authors	Year	Title
T. Tokioka	1952	Ascidians collected by Messrs. Renzi Wada and Seizi Wada from the pearl oyster bed in the Arafura Sea in 1940
T. Tokioka	1961	Ascidians collected during the Melanesia Expedition of the Osaka Museum of Natural History. I. Ascidians presented by Dr. R.L. A. Catala of the Aquarium of Noumea
T. Tokioka	1950	Ascidians from the Palao Is. 1
T. Tokioka	1963	Constributions to Japanese ascidian fauna XX. The outline of Japanese ascidian fauna as compared with that of the Pacific coast of North America
T. Tokioka	1955	Contributions to Japanese ascidian fauna. XI: Sporadic memoranda (2)
T. Tokioka	1949	Contributions to the Japanese ascidian fauna II. Notes on some ascidians collected chiefly along the coast of Kii Peninsula
T. Tokioka	1958	Contributions to the Japanese ascidian fauna XII. Sporadic memoranda (3)
T. Tokioka	1959	Contributions to the Japanese ascidian fauna XIV. Sporadic memorandum (5) On two large colonies of compound ascidians dredged in the Tyosen Straits
T. Tokioka	1962	Contributions to the Japanese ascidian fauna XIX. Additions to Japanese ascidian fauna, with notes on two already known species
T. Tokioka	1954	Invertebrate fauna of the intertidal zone of the Tokara Islands. VII Ascidians. (Contributions to Japanese fauna)
Y. Saito, Mukai, H., Watanabe, H.	1981	Studies of Japanese compound Styelid ascidians I. Two new species of Botryllus from the vicinity of Shimoda
Y. Saito, Watanabe H.	1985	Studies of Japanese compound Styelid ascidians IV. Three new species of the genus Botrylloides from the vicinity of Shimoda
Y. Saito, Mukai, H., Watanabe, H.	1981	Studies on Japanese compound Styelid ascidians II. a new species of the genus Botrylloides and redescription of B. violaceus Oka
T. Nishikawa	1990	The ascidians of the Japan Sea
H. Watanabe, Tokioka T.	1972	Two new species and one possibly new race of social styelids from Sagami Bay with remarks on their life history especially the mode of budding