Literature

• 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.
• Inventaire National du Patrimoine Naturel. [link]
• Neckheim, C.M. & Hovestadt, A. 2016. Land- en zoetwatermollusken verzameld op Sint Maarten (Nederlandse Antillen) en Saint Martin. Spirula 409: 18-24.

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)
• Haas, F. 1960. Caribbean land molluscs: Vertiginidae. Studies on the fauna of Curaçao and other Caribbean Islands 10: 1-17. (Gastrocopta pellucida)
• Hovestadt, A. & Neckheim, C.M. 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 pellucida)
• MolluscaBase. MolluscaBase. [link] (Pupilloidea)
• WoRMS. World Register of Marine Species. www.marinespecies.org. [link] (Heterobranchia)