Bivalvia

nominal species Pisidium acuminatum Clessin in Martens, 1874

Pisidium acuminatum Clessin in Martens, 1874 = nomen dubium

Clessin in Martens, 1874. Puteshestvie v Turkestan. Tom II 11(1): 37, pl. 3, fig. 32.
Clessin, 1877. Conch. Cab. 9(3): 44, pl. 5, figs. 4-6.

Taxonomic Opinions

= Pisidium acuminatum Clessin — Clessin, 1877: 44, pl. 5, figs. 4-6.

= Pisidium acuminatum nov. sp. Cless. — Martens, 1874: 37, pl. 3, fig. 32.