MolluscaBase name details
original description
(of Calyptraea foliacea Broderip, 1834) Broderip, W. J. (1834). Characters of new genera and species of Mollusca and Conchifera, collected by Mr. Cuming. Descriptions of new species of Calyptraeidae. <em>Proceedings of the Zoological Society of London.</em> 2: 35-40., available online at https://www.biodiversitylibrary.org/page/30568340 [details]
additional source
Hoagland, K.E. 1977. Systematic review of fossil and recent <i>Crepidula</i> and discussion of the evolution of the Calyptraeidae. <i>Malacologia</i>, 16(2): 353-420., available online at http://biodiversitylibrary.org/page/13131436
note: treated as a synonym of Calyptraea aculeata (Gmelin, 1791), a view rebutted by Collins (2005) [details]