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Data last updated
Thu 1 January 2026
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Bivalvia
| ... | Unionoidea
| Unionidae
| Ambleminae
| Quadrulini
| Megalonaias nervosa
nominal species Unio eighti Paetel, 1890
‘Lea’ Paetel, 1890. Cat. Conch.-Samml. 3: 151. (error for Unio eightsii Lea, 1860)
= Megalonaias nervosa Taxonomic Opinions+ Megalonaias nervosa (Rafinesque, 1820) — Watters et al., 2009 + Megalonaias nervosa (Rafinesque, 1820) — Parmalee & Bogan, 1998 + Quadrula (sec. Crenodonta) heros (Say, 1829) — Simpson, 1914 + Quadrula (sec. Crenodonta) heros (Say, 1829) — Simpson, 1900 + Unio (Plectomerus) eightsii I. Lea, 1860 — Fischer & Crosse, 1894
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