Bivalvia

nominal species Cyclas lacustris Pfeiffer, 1821

Cyclas lacustris Pfeiffer, 1821 = nomen dubium

Pfeiffer, 1821. Naturgesch. Dtsch. Land-Süßw. Moll. 1: 122, pl. 5, figs. 6-7.
(misidentified reference to Tellina lacustris Müller, 1774)

Taxonomic Opinions

+ Sphaerium (Grüppe Corneola) draparnaldii [sic] Clessin — Clessin, 1877: 487.

+ Cyclas calyculata Draparnaud — Benoit, 1875: 163.