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Taxonomy

Species & Genus Richness by
Taxonomy

Geography

Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

nominal species Unio glans Lewis, 1871

Unio glans Lewis, 1871 = Toxolasma cylindrellus

‘Lea’ of Authors.
Lewis, 1871. Amer. J. Conch. 6: 218.
Pilsbry & Rhoads, 1896. Proc. Acad. Nat. Sci. 48: 502.
(misidentified reference to Unio glans Lea, 1831)

= Toxolasma cylindrellus

Taxonomic Opinions

+ Toxolasma lividum Rafinesque, 1831 — Ortmann, 1918

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