Barnard, K. H. (1927). South African nudibranch mollusca, with descriptions of new species, and a note on some specimens from Tristan d'Acunha. Annals of the South African Museum. 25(1): 171-215.
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Barnard, K. H.
1927
South African nudibranch mollusca, with descriptions of new species, and a note on some specimens from Tristan d'Acunha