Literature
- Hoeksema, D.F. 1993. Phaseolus guilonardi n. sp., a new species of Phaseolidae (Bivalvia: Protobranchia) from the southern North Sea Basin. Basteria, 57: 95-102.
- Seaward, D.R. 1990. Distribution of the marine molluscs of north west Europe. Nature Conservancy Council.