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Data last updated
Thu 18 Dec 2025
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Bivalvia
| ... | Unionoidea
| Unionidae
| Ambleminae
| Pleurobemini
| Pleurobema pyriforme
nominal species Unio modicus Lea, 1857
Lea, 1857. Proc. Acad. Nat. Sci. 9: 171. Lea, 1859. Jour. Acad. Nat. Sci. 4 [O. 7]: 204 [22], pl. 24, fig. 86. Type(s): HOLOTYPE USNM_84787, Chattahoochee R., 10 mi above Columbus, Ga.
= Pleurobema pyriforme Taxonomic Opinions+ Pleurobema pyriforme (Lea, 1857) — Williams et al., 2014 + Pleurobema pyriforme (Lea, 1857) — Williams et al., 2011 + Pleurobema pyriforme (Lea, 1857) — Williams et al., 2008 + Pleurobema pyriforme (Lea, 1857) — Brim Box & Williams, 2000 + Pleurobema pyriforme (Lea, 1857) — Burch, 1975 = Pleurobema modicum (Lea, 1857) — Haas, 1969 + Pleurobema pyriforme (Lea, 1857) — Clench & Turner, 1956 = Pleurobema (s.s.) modicum (Lea, 1857) — Frierson, 1927 = Pleurobema modicum (Lea, 1857) — Ortmann, 1923 + Pleurobema simpsoni Vanatta, 1915 — Ortmann & Walker, 1922 = Pleurobema (s.s.) modicum (Lea, 1857) — Simpson, 1914 = Pleurobema (s.s.) modica (Lea, 1857) — Simpson, 1900 = Unio modicus Lea — B.H. Wright, 1888 = Margaron (Unio) modicus (Lea) — Lea, 1870
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