Bivalvia

nominal species Pisidium ovatum Clessin, 1877

Pisidium ovatum Clessin, 1877 = nomen dubium

Clessin, 1877. Conch. Cab. 9(3): 72, pl. 8, figs. 22-24.
Clessin, 1877. Deutsche Excurs. Moll. Fauna: 517, fig. 334.

Taxonomic Opinions

= Pisidium ovatum Clessin — Servain, 1882: 20.

= Pisidium (Gruppe Fossarina) ovatum Clessin — Clessin, 1877: 517, fig. 334.