Remnants of a (colour) pattern on a fossil juvenile left valve of Pseudamussium (Palliolum) gerardi (Nyst, 1835) (Pectinidae) (Pliocene) is attributed to an abnormal response to the process of colouration during the life of the specimen in question rather than to especially favourable fossilization circumstances.

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Basteria

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Nederlandse Malacologische Vereniging

W.J. van der Burg. (1995). Remnants of a colour pattern on Pseudamussium gerardi (Nyst) (Bivalvia: Pectinidae) from the Pliocene of the northern Peel district, the Netherlands. Basteria, 59(1/3), 29–30.