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Data last updated
Mon 1 Dec 2025
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Bivalvia
| ... | Unionoidea
| Unionidae
| Ambleminae
| Pleurobemini
| Eurynia dilatata
nominal species Unio stonensis Lea, 1840
Lea, 1840. Proc. Amer. Phil. Soc. 1: 286.
Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 195 [33], pl. 8, fig. 5. Type(s): HOLOTYPE USNM_84969, Stone R., Tenn.
= Eurynia dilatata Taxonomic Opinions+ Elliptio dilatata (Rafinesque, 1820) — Watters et al., 2009 + Elliptio dilatata (Rafinesque, 1820) — Williams et al., 2008 + Elliptio dilatata (Rafinesque, 1820) — Parmalee & Bogan, 1998 + Elliptio (Eurynia) nasutus nasutus (Lamarck, 1819) — Haas, 1969 + Elliptio (Eurynaia [sic]) dilatatus (Rafinesque, 1820) — Frierson, 1927 = Unio (sec. Elliptio) stonensis Lea, 1840 — Simpson, 1914 + — de Gregorio, 1914 = Unio (sec. Elliptio) stonensis Lea, 1840 — Simpson, 1900 + Unio (s.s.) gibbosus Barnes, 1823 — Call, 1900 + Unio gibbosus Barnes, 1823 — Call, 1895 = Unio stonensis Lea — B.H. Wright, 1888 = Margaron (Unio) stonensis (Lea) — Lea, 1870 = Unio stonensis Lea, 1840 — Sowerby, 1868 = Unio (Hyridella) stonensis Lea — Adams & Adams, 1857 = Unio stonensis Lea — Conrad, 1853 = Margaron (Unio) stonensis (Lea) — Lea, 1852
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