Baker, F. & Hanna, G. D. (1927). Expedition of the California Academy of Sciences to the Gulf of California in 1921. Marine Mollusca of the order Opisthobranchia. Proceedings of the California Academy of Sciences. ser. 4, 16(5): 123-135, pl. 4.
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Baker, F. & Hanna, G. D.
1927
Expedition of the California Academy of Sciences to the Gulf of California in 1921. Marine Mollusca of the order Opisthobranchia.