Pisidium maasseni n. sp. is described from abundant material from Lake Prespa (Prespansko Jezero) in southern Jugoslavia. A noticeably compressed shell with flat beaks and a regular, dense striation distinguishes the new taxon from the other European species.

taxonomy, Pisidium, Bivalvia, Jugoslavia, Sphaeriidae
Basteria

CC BY-NC 4.0 NL ("Naamsvermelding-NietCommercieel")

Nederlandse Malacologische Vereniging

J.G.J. Kuiper. (1987). Pisidium maasseni n. sp., a new species from Lake Prespa, Jugoslavia (Bivalvia, Sphaeriidae). Basteria, 51(4/6), 163–165.