| Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Lampsilis abrupta nominal species Unio abruptus Say, 1831
     Say, 1831, Amer. Conch. 2: pl. 17.
 Type(s): TYPE LOCALITY TYPE_LOCALITY_MP_013, Wabash River.
 = Lampsilis abrupta Taxonomic Opinions
	= Lampsilis abrupta (Say, 1831) — FMCS, 2025= Lampsilis abrupta (Say, 1831) — Hopper et al., 2023
 = Lampsilis abrupta (Say, 1831) — Graf & Cummings, 2021
 = Lampsilis abruptus (Say, 1831) — FMCS, 2021
 = Lampsilis abrupta (Say, 1831) — Stodola et al., 2021
 = Lampsilis abrupta  — Klymus et al., 2020
 = Lampsilis abrupta (Say, 1831) — Williams et al., 2017
 = Lampsilis abrupta  — Jones, 2015
 = Lampsilis abrupta (Say, 1831) — IUCN, 2012
 = Lampsilis abrupta (Say, 1831) — ITIS, 2012
 = Lampsilis abrupta  — Haag, 2012
 = Lampsilis abrupta (Say, 1831) — McMurray et al., 2012
 = Lampsilis abrupta Say, 1831 — Bogan, 2010
 = Lampsilis abrupta  — Cummings & Graf, 2010
 = Lampsilis abrupta (Say, 1831) — Watters et al., 2009
 = Lampsilis abrupta (Say, 1831) — Williams et al., 2008
 = Lampsilis abrupta  — Zanatta & Murphy, 2008
 = Lampsilis abrupta (Say, 1831) — Graf & Cummings, 2007
 = Lampsilis abrupta (Say, 1831) — Tiemann et al., 2007
 = Lampsilis abrupta  — Zanatta & Murphy, 2006
 = Lampsilis abrupta (Say, 1831) — Cicerello & Schuster, 2003
 = Lampsilis abrupta (Say, 1831) — Graf, 2002
 = Lampsilis abrupta  — Eackles & King, 2002
 = Lampsilis abrupta (Say) — Lydeard et al., 1999
 = Lampsilis abrupta (Say, 1831) — Turgeon et al., 1998
 = Lampsilis abrupta (Say, 1831) — Parmalee & Bogan, 1998
 = Lampsilis abrupta (Say, 1831) — Turgeon et al., 1998
 = Lampsilis abrupta (Say) — Strayer & Jirka, 1997
 = Lampsilis abrupta (Say, 1831) — Cummings & Mayer, 1997
 = Lampsilis abrupta (Say) — Williams et al., 1993
 = Lampsilis abrupta (Say, 1831) — Vidrine, 1993
 = Lampsilis abrupta (Say, 1831) — Cummings & Mayer, 1992
 = Lampsilis abrupta (Say, 1831) — Turgeon et al., 1988
 = Lampsilis abrupta (Say, 1831) — R.I. Johnson, 1980
 = Lampsilis (Ortmanniana) abrupta (Say, 1831) — Haas, 1969
 = Lampsilis abruptus Say, 1831 — Morrison, 1969
 = Lampsilis (Ortmanniana) abruptus (Say, 1831) — Frierson, 1927
 + Lampsilis (Eurynia) orbiculata (Hildreth, 1828) — Simpson, 1914
 + Lampsilis (sec. Eurynia) orbiculatus Hildreth — Simpson, 1900
 + Unio ligamentinus Lm. — Paetel, 1890
 + Margaron (Unio) orbiculatus (Hild.) — Lea, 1870
 + Unio orbiculatus Hildreth, 1828 — Sowerby, 1866
 + Unio orbiculatus Hild., 1828 — Conrad, 1853
 = Unio (Elliptio) abruptus Say — Mörch, 1853
 + Margaron (Unio) orbiculatus (Hild.) — Lea, 1852
 + Unio ligamentinus Lamarck — Küster, 1848
 + Unio orbiculatus Hildr. — Hanley, 1843
 + Margarita (Unio) orbiculatus Hild. — Lea, 1838
 + Unio crassus Say, 1817 — Conrad, 1836
 + Margarita (Unio) orbiculatus (Hildreth, 1828) — Lea, 1836
 + Unio cyclips Raf. — Ferussac, 1835
 
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