Bivalvia

nominal species Cyclas duplicata Pfeiffer, 1821

Cyclas duplicata Pfeiffer, 1821 = nomen dubium

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

Taxonomic Opinions

= Pisidium duplicatum Pfeiffer — Prime, 1895: 59.

= Pisidium duplicatum Pfeiffer — Prime, 1870: 169.

= Pisidium duplicatum Pfeiffer — Prime, 1852: 367.

= Cyclas (Pisidium) duplicatum Pf. — C.B. Adams, 1847: 15.