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
Thu 19 March 2026

nominal species Unio lapillus Say, 1831

Unio lapillus Say, 1831 = Paetulunio fabalis

Say, 1831. Transylvania J. Med. Assoc. Sci. 4: 528.
Say, 1832. Amer. Conch. 5: pl. 41.
(new name for Unio capillus Say, 1831)

Taxonomic Opinions

+ Paetulunio fabalis (Lea, 1831) — Watters, 2018: 13.

+ Villosa fabalis (Lea, 1831) — IUCN, 2012: [web].

+ Villosa fabalis (Lea, 1831) — Watters et al., 2009: 326.

+ Villosa fabalis (Lea, 1831) — Williams et al., 2008: 762.

+ Villosa fabalis (Lea, 1831) — Parmalee & Bogan, 1998: 244.

+ Lemiox fabalis (Lea, 1831) — Haas, 1969: 406.

+ Lemiox fabalis (Lea, 1831) — Frierson, 1927: 93.

+ Micromya fabalis (Lea, 1831) — Simpson, 1914: 33.

+ — de Gregorio, 1914: 61.

+ Micromya fabalis Lea — Simpson, 1900: 525.

+ Unio (s.s.) fabalis Lea, 1831 — Call, 1900: 459.

+ Margaron (Unio) fabalis (Lea) — Lea, 1870: 49.

= Unio lapillus Say, 1831 — Conrad, 1853: 251.

= Micromya lapillus — Agassiz, 1852: 47.

+ Margaron (Unio) fabalis (Lea) — Lea, 1852: 31.

= Unio lapillus Say — Küster, 1852: 53, pl. 11, fig. 3.

+ Margarita (Unio) fabalis Lea — Lea, 1838: 21.

= Unio lapillus Say, 1831 — Conrad, 1836: 54, pl. 29, fig. 2.

+ Margarita (Unio) fabalis (Lea, 1831) — Lea, 1836: 28.