Bivalvia

nominal species Sphaerium dupplicatum Clessin, 1877

Sphaerium dupplicatum Clessin, 1877 = nomen dubium

Clessin, 1877. Conch. Cab. 9(3): 86, pl. 11, figs. 4-6.

Taxonomic Opinions

= Sphaerium (Grüppe Corneola) dupplicatum Clessin — Clessin, 1877: 489, fig. 316.