Strong, A. M., Hanna, G. D. & Hertlein, L. G. (1933). The Templeton Crocker Expedition of the California Academy of Sciences, 1932 Marine Mollusca from Acapulco, Mexico with notes on other species. Proceedings of the California Academy of Sciences, 4th series. 21(10): 117-130, pls. 5-6.
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Strong, A. M., Hanna, G. D. & Hertlein, L. G.
1933
The Templeton Crocker Expedition of the California Academy of Sciences, 1932 Marine Mollusca from Acapulco, Mexico with notes on other species
Proceedings of the California Academy of Sciences, 4th series