MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Mon 2 March 2026
nominal species Sphaerium corneum var. firmum Clessin in Westerl. Fauna Moll. Suec. of Authors
Sphaerium corneum var. firmum Clessin in Westerl. Fauna Moll. Suec. of Authors = nomen dubium
Clessin in Westerl. Fauna Moll. Suec. of Authors.
(intro'd as intra-sp. of Tellina cornea Linnaeus, 1758)
Taxonomic Opinions
= Sphaerium (Grüppe Corneola) corneum var. firmum Clessin — Clessin, 1877: 483, figs. 312a-c.
