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Data last updated
Sun 2 Nov 2025

Bivalvia | ... | 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

+ 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

 
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