Literature
- Massy, A.L. 1909. The Pteropoda and Heteropoda of the coast of Ireland Fisheries, Ireland. Scientific Investigations. Dept. of Agriculture and Techn. Instruct. for Ireland, 2: 1-52, pl. 1.
- Spoel, S. van der, 1972. A taxonomic outline of the Gymnosomata (Mollusca). Basteria 36 (2-5): 75-88. .