Phaseolus guilonardi n. sp. is described from the southern North Sea Basin; the species is considered Recent and is known from beach drift and Holocene deposits in the SW. part of The Netherlands, a boring in the North Sea off the province of Noord-Holland, The Netherlands, and dredgings off Belgium and N. France.

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Nederlandse Malacologische Vereniging

D.F. Hoeksema. (1993). Phaseolus guilonardi n. sp., a new species of Phaseolidae (Bivalvia: Protobranchia) from the southern North Sea Basin. Basteria, 57(4/6), 95–102.