BioStor
 | Report on a collection of shells from Peru, with a summary of the littoral marine Mollusca of the Peruvian zoological province William Healey Dall (1909) Proceedings of The United States National Museum 37: 147-294 |
 | The Templeton Crocker Expedition of the California Academy of Sciences, 1932. No. 10. Marine Mollusca from Acapulco,Mexico with notes on other species A M Strong, G Dallas Hanna and Leo George Hertlein (1933) Proceedings of the California Academy of Sciences 21: 117-130 |