Schwengel, J. S. (1938). Zoological results of the George Vanderbilt South Pacific Expedition, 1937. Part I,-Galapagos Mollusca. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 90: 1-3.[details]
MolluscaBase eds. (2024). MolluscaBase. Daphnella thalia Schwengel, 1938. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1595530 on 2024-05-01
original descriptionSchwengel, J. S. (1938). Zoological results of the George Vanderbilt South Pacific Expedition, 1937. Part I,-Galapagos Mollusca. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 90: 1-3.[details]