Literature references linked to higher taxa

• Catalogue of Life. Species 2000 & ITIS. [link] (Cepolidae)
• Coomans, H.E. 1970. Volksnamen voor weekdieren op de Nederlandse Antillen. Nieuwe West-Indische gids 47(2): 158-186. (Mollusca)
• MolluscaBase. MolluscaBase. [link] (Helicoidea)
• WoRMS. World Register of Marine Species. www.marinespecies.org. [link] (Heterobranchia)