The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

The MUSSEL Project Database has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=nomsp&id=8273

Search the database pages:

Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Pisidium johnsoni

nominal species Pisidium pauliani Kuiper, 1953

Kuiper, 1953, J. de Conch. 93: 28, pl. 2, figs. 1-5.

= Pisidium johnsoni

Taxonomic Opinions

+ Pisidium johnsoni Smith, 1882 — Daget, 1998
+ Pisidium johnsoni E.A. Smith, 1882 — Kuiper, 1966

Page updated: 11:53:55 Mon 08 Sep 2025