MUSSELpdb

Taxonomy

all genera

Summary

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
Fri 13 February 2026

nominal species Unio delumbis Conrad, 1834

Unio delumbis Conrad, 1834 = Villosa delumbis

Conrad, 1834. New Fresh-Water Shells: 35, pl. 5, fig. 3.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 248.

Taxonomic Opinions

= Villosa delumbis (Conrad, 1834) — FMCS, 2025: [8].

= Villosa delumbis (Conrad, 1834) — Hopper et al., 2023.

= Villosa delumbis (Conrad, 1834) — Graf & Cummings, 2021: 18.

= Villosa delumbis (Conrad, 1834) — FMCS, 2021: [7].

= Villosa delumbis (Conrad, 1834) — Watters, 2018: 8, pl. 2.

= Villosa delumbis (Conrad, 1834) — Williams et al., 2017: 44.

= Villosa delumbis (Conrad, 1834) — ITIS, 2012: [web].

= Villosa delumbis — Haag, 2012: 74.

= Villosa delumbis Conrad, 1834 — IUCN, 2012: [web].

= Villosa delumbis Conrad, 1834 — Bogan, 2010: [web].

= Villosa delumbis — Cummings & Graf, 2010: 375.

= Villosa delumbis (Conrad, 1834) — Graf & Cummings, 2007: 307.

= Villosa delumbis — Krebs et al., 2003: 311.

= Villosa delumbis (Conrad, 1834) — Huang et al., 2002: 360.

= Villosa delumbis (Conrad, 1834) — Bogan, 2002: 12.

= Villosa delumbis — Turner et al., 2000: 781.

= Villosa delumbis (Conrad, 1834) — Turgeon et al., 1998: 37.

= Villosa delumbis — Lydeard et al., 1996: 1595.

= Villosa delumbis (Conrad) — Williams et al., 1993: 14.

= Villosa delumbis (Conrad, 1834) — Turgeon et al., 1988: 33.

= Villosa delumbis — Kat, 1983: 301, fig. 3D.

= Villosa delumbis (Conrad) — Davis & Fuller, 1981: 219.

= Villosa delumbis (Conrad, 1834) — Burch, 1975: 22.

= Villosa delumbis (Conrad, 1834) — R.I. Johnson, 1970: 375, pl. 18, figs. 4-8.

= Ligumia delumbis (Conrad, 1834) — Haas, 1969: 441.

= Lampsilis (Ligumia) delumbis (Conrad, 1834) — Frierson, 1927: 75, sp. 327.

= Lampsilis (s.s.) delumbis (Conrad, 1834) — Simpson, 1914: 52.

= Lampsilis (s.s.) delumbis Conrad — Simpson, 1900: 531.

= Unio delumbis Con. — B.H. Wright, 1888: [2].

+ Margaron (Unio) modioliformis (Lea) — Lea, 1870: 44.

= Unio delumbis Conrad — Küster, 1861: 207, pl. 69, fig. 1.

= Unio delumbis Con. — Conrad, 1853: 248.

+ Margaron (Unio) modioliformis (Lea) — Lea, 1852: 39.

+ Unio modioliformis Lea — Hanley, 1843: 209.

+ Margarita (Unio) modioliformis Lea — Lea, 1838: 25.

+ Margarita (Unio) modioliformis (Lea, 1834) — Lea, 1836: 39.