Literature

• Inventaire National du Patrimoine Naturel. [link]
• Coomans, H.E. 1967. The non-marine Mollusca of St. Martin (Lesser Antilles). Studies on the fauna of Curaçao and other Caribbean Islands 24: 118-145.
• Haas, F. 1960. Caribbean land molluscs: Vertiginidae. Studies on the fauna of Curaçao and other Caribbean Islands 10: 1-17.

Literature references linked to higher taxa

• Encyclopedia of Life. [link] (Vertiginidae)
• Coomans, H.E. 1970. Volksnamen voor weekdieren op de Nederlandse Antillen. Nieuwe West-Indische gids 47(2): 158-186. (Mollusca)
• Hovestadt, A & C.M. Neckheim 2020. A critical checklist of the non-marine molluscs of St. Martin, with notes on the terrestrial malacofauna of Anguilla and Saint- Barthélemy, and the description of a new subspecies. Folia Conchyliologica 57: 1-38. (Gastrocopta servilis)
• Hovestadt, A. 1980. De Landmollusken van Sint Eustatius. Correspondentie blad Nederlandse Malacologische Vereniging 195: 1042-1044. (Gastrocopta servilis)
• Hovestadt, A. 1987. De landslakken van Aruba, Curaçao en Bonaire. Correspondentie blad Nederlandse Malacologische Vereniging 235: 245-251. (Gastrocopta servilis)
• Hovestadt, A., Leeuwen, S. van 2017. Terrestrial molluscs of Aruba, Bonaire and Curaçao in the Dutch Caribbean: an updated checklist and guide to identification. Vita Malacologica 16: 1-39. (Gastrocopta servilis)
• Leeuwen, S. van, Hewitt, S.J. 2016. Molluscs of St. Eustatius. In: Marine biodiversity survey of St. Eustatius, Dutch Caribbean, 2015. 83-112. Naturalis Biodiversity Center, Leiden, and ANEMOON Foundation, Bennebroek. (Gastrocopta servilis)
• MolluscaBase. MolluscaBase. [link] (Pupilloidea)
• Neckheim, C.M., Hovestadt, A. 2016. Land- en zoetwatermollusken verzameld op Sint Maarten (Nederlandse Antillen) en Saint Martin. Spirula 409: 18-24. (Gastrocopta servilis)
• WoRMS. WoRMS, World Register of Marine Species. www.marinespecies.org. [link] (Heterobranchia)