B. I.  Brewin, ?Australian ascidians of the sub-family Holozoinae and a review of the sub-family?, Transactions and Proceedings of the Royal Society of New Zealand, vol. 81, pp. 53-64, 1953.

B. I.  Brewin, ?Ascidians from Otago coastal waters?, Transactions and Proceedings of the Royal Society of New Zealand, vol. 78, pp. 54-63, 1950.