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!

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Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Fusconaia masoni

nominal species Unio pumilus Lea, 1838

Lea, 1836, Synopsis Fam. Naiades: 20 [as ‘pumilis’]. [nomen nudum]
Lea, 1838, Trans. Amer. Phil. Soc. 6 [O. 2]: 23, pl. 7, fig. 17.
Type(s): HOLOTYPE USNM_84545, Black Cr., N.C.

= Fusconaia masoni

Taxonomic Opinions

+ Fusconaia masoni (Conrad, 1834) — Burch, 1975
+ Pleurobema (Lexingtonia) masoni (Conrad, 1834) — R.I. Johnson, 1970
+ Lexingtonia subplana (Conrad, 1834) — Haas, 1969
+ Pleurobema (Lexingtonia) subplanum (Conrad, 1837) — Frierson, 1927
= Quadrula (sec. Fusconaia) pumila (Lea, 1838) — Simpson, 1914
- NO OPINION — de Gregorio, 1914
= Quadrula (sec. Fusconaia) pumila (Lea, 1838) — Simpson, 1900
= Unio pumilus Lea — B.H. Wright, 1888
= Margaron (Unio) pumilus Lea. Chenu. Han. — Lea, 1870
= Unio pumilus Lea, 1838 — Sowerby, 1866
= Unio (Lampsilis) pumilus Lea — Adams & Adams, 1857
= Unio pumilis [sic] Lea, 1838 — Conrad, 1853
= Margaron (Unio) pumilis [sic] Lea. Chenu — Lea, 1852
= Unio pumilus Lea — Hanley, 1843
= Margarita (Unio) pumilis [sic] Lea — Lea, 1838
= Margarita (Unio) pumilis [sic] — Lea, 1836

Page updated: 12:06:33 Tue 03 Jun 2025