Literature
- Aartsen, J.J. van 1977. European Pyramidellidae: I. Chrysallida . Conchiglie, 13: 49-64.
- Graham, Alastair F.R.S. 1988. Molluscs: Prosobranch and Pyramidellid Gastropods. Synopses of the British fauna (NS), 2: 1-662.
- Seaward, D.R. 1990. Distribution of the marine molluscs of north west Europe. Nature Conservancy Council.