Page last updated
Fri 17 Jan 2020

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!

Search the database pages:

nominal species Unio zig-zag var. illius de Gregorio, 1914

de Gregorio, 1914, Il Nat. Siciliano 2: 41, pl. 4, figs. 3a-c.
(intro'd as intra-sp. of Unio zigzag Lea, 1829)

= Truncilla donaciformis

Taxonomic Opinions

+ Truncilla donaciformis (Lea, 1828) — (Watters et al., 2009)
= Unio zig-zag var. illius de Greg. — (de Gregorio, 1914)

Page updated: 10:07:56 Fri 17 Jan 2020

NSF icon MUSSEL icon
"Making the world a better place, one mollusk at a time."