nominal species Cyclas duplicata Pfeiffer, 1821

Cyclas duplicata Pfeiffer, 1821

Pfeiffer, 1821. Natur. Deutsch. Land Sussw. Moll. 1: 230.

= nomen dubium

Taxonomic Opinions

= Pisidium duplicatum Pfeiffer — Prime, 1895

= Pisidium duplicatum Pfeiffer — Prime, 1870

= Pisidium duplicatum Pfeiffer — Prime, 1852

= Cyclas (Pisidium) duplicatum Pf. — C.B. Adams, 1847