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Data last updated
Mon 1 Dec 2025
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Bivalvia
| ... | Unionoidea
| Unionidae
| Ambleminae
| Lampsilini
| Ortmanniana ligamentina
nominal species Mya gravis Wood, 1828
= Ortmanniana ligamentina Taxonomic Opinions+ Actinonaias ligamentina (Lamarck, 1819) — Williams et al., 2008 + Actinonaias ligamentina (Lamarck, 1819) — Parmalee & Bogan, 1998 + Lampsilis (Ortmanniana) carinata carinata (Barnes, 1823) — Haas, 1969 + Lampsilis (Ortmanniana) carinata (Barnes, 1823) — Frierson, 1927 + Lampsilis (Eurynia) ligamentina (Lamarck, 1819) — Simpson, 1914 + Lampsilis (sec. Eurynia) ligamentinus Lamarck — Simpson, 1900 + Margaron (Unio) ligamentinus (Lam.) — Lea, 1870 + Unio crassus Say — Sowerby, 1866 + Margaron (Unio) ligamentinus (Lam.) — Lea, 1852 + Unio crassus Say — Hanley, 1843 + Margarita (Unio) crassus Say. Bar. — Lea, 1838 + Margarita (Unio) crassus (Say, 1817) — Lea, 1836 + Unio crassus Say, Raf. — Ferussac, 1835 = Mya gravis Wood, 1828 — Wood, 1828 + Unio cariosus Say, 1817 — Wood, 1828
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