MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Mon 2 March 2026
Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Prolasmidonta heterodon
nominal species Unio heterodon Lea, 1829
Unio heterodon Lea, 1829 = Prolasmidonta heterodon
Lea, 1829. Trans. Amer. Phil. Soc. 3 [O. 1]: 428, pl. 8, fig. 11.
Type(s): SYNTYPES ANSP_41004, Schuylkill [River] and Derby [sic] Creek, Pennsylvania.
Taxonomic Opinions
= Prolasmidonta heterodon (Lea, 1829) — Campbell & Lydeard, 2026: 293.
= Alasmidonta heterodon — Perkins et al., 2025: Table S1.
= Prolasmidonta heterodon (Lea, 1829) — FMCS, 2025: [6].
= Prolasmidonta heterodon — Hou et al., 2025: Table S3.
= Prolasmidonta heterodon — Wang et al., 2025: Table S2.
= Prolasmidonta heterodon — Wu et al., 2024: 6.
= Prolasmidonta heterodon — Wu et al., 2024: Table S3.
= Prolasmidonta heterodon — Hou et al., 2024: Table 2.
= Alasmidonta heterodon (Lea, 1830) — Whelan et al., 2023: 3, Tables 1, S1.
= Alasmidonta heterodon (Lea, 1829) — Hopper et al., 2023.
= Prolasmidonta heterodon — Wu et al., 2023: Table 2.
= Alasmidonta heterodon (Lea) — Hata et al., 2022: 2637.
= Alasmidonta heterodon (Lea, 1829) — Graf & Cummings, 2021: 15.
= Alasmidonta heterodon (Lea, 1829) — FMCS, 2021: [1].
= Alasmidonta heterodon — Wu et al., 2021: attached Table 2.
= Alasmidonta heterodon — Fukata & Iigo, 2020: 1216.
= Alasmidonta heterodon — Sano et al., 2020: 101.
= Alasmidonta heterodon — Chen et al., 2020: 2800.
= Alasmidonta heterodon — Inoue et al., 2018: Table S2.
= Alasmidonta heterodon — Aunins et al., 2018: 1124.
= Alasmidonta heterodon (Lea, 1829) — Williams et al., 2017: 36.
= Alasmidonta heterodon — Nishihara et al., 2016: Table S2.
= Alasmidonta heterodon — Jones, 2015: 318.
= Alasmidonta heterodon (I. Lea, 1830) — ITIS, 2012: [web].
= Alasmidonta heterodon — Haag, 2012: 73.
= Alasmidonta heterodon (Lea, 1830) — IUCN, 2011: [web].
= Alasmidonta heterodon Lea, 1829 — Bogan, 2010: [1].
= Alasmidonta heterodon — Cummings & Graf, 2010: 375.
= Alasmidonta heterodon — Chong et al., 2008: 1307.
= Alasmidonta (Pressodonta) heterodon (Lea, 1829) — Graf & Cummings, 2007: 305.
= Alasmidonta heterodon Lea, 1829 — Shaw et al., 2006: 365.
= Alasmidonta heterodon (Lea, 1829) — Bogan, 2002: 11.
= Alasmidonta heterodon — King et al., 1999: S67.
= Alasmidonta heterodon (Lea, 1829) — Turgeon et al., 1998: 32.
= Alasmidonta heterodon (Lea) — Strayer & Jirka, 1997: 43, pl. 20, figs. 7-8; fig. 13E.
= Alasmidonta heterodon (I. Lea) — Williams et al., 1993: 10.
= Alasmidonta heterodon (Lea, 1829) — Turgeon et al., 1988: 28.
= Alasmidonta (Pressodonta) heterodon (Lea, 1829) — Clarke, 1981: 28, figs. 8-10.
= Alasmidonta heterodon (Lea, 1830) — R.I. Johnson, 1980: 99, List 3, sp. F.
= Alasmidonta (s.s.) heterodon (Lea, 1829) — Burch, 1975: 14.
= Alasmidonta (Prolasmidonta) heterodon (Lea, 1829) — R.I. Johnson, 1970: 347, pl. 13, fig. 2.
= Alasmidonta heterodon (Lea, 1829) — Clarke, 1970: 21.
= Alasmidonta (Prolasmidonta) heterodon (Lea, 1829) — Haas, 1969: 392.
= Alasmidonta (Prolasmidonta) heterodon (Lea, 1829) — Haas, 1969: N448, fig. D41:1.
= Alasmodonta (sec. Prolasmidonta) heterodon (Lea) — Thiele, 1934: 830, [1264].
= Alasmidonta (Prolasmidonta) heterodon (Lea, 1829) — Frierson, 1927: 19, sp. 24.
= Alasmidonta (Pressodonta) heterodon (Lea, 1829) — Simpson, 1914: 499.
= Alasmidonta heterodon (Lea, 1829) — Ortmann, 1912: 295.
= Alasmidonta heterodon (Lea) — Ortmann, 1910: 118.
= Alasmidonta heterodon Lea — Ortmann, 1909: 99.
= Alasmidonta (Pressodonta) heterodon (Lea) — Ortmann, 1909: 207.
= Alasmidonta (Pressodonta) heterodon (Lea, 1829) — Simpson, 1900: 669.
= Unio heterodon Lea — B.H. Wright, 1888: [3].
= Margaron (Unio) heterodon (Lea) — Lea, 1870: 36.
= Unio heterodon Lea, 1829 — Sowerby, 1866: pl. 35, sp. 184.
= Unio heterodon Lea — Küster, 1861: 192, pl. 61, fig. 2.
= Unio (Lampsilis) heterodon Lea — Adams & Adams, 1857: 495.
= Unio heterodon Lea, 1833 — Conrad, 1853: 250.
= Margaron (Unio) heterodon (Lea) — Lea, 1852: 24.
= Unio heterodon Lea — Linsley, 1845: 277.
= Unio heterodon Lea — Hanley, 1843: 183, pl. 21, fig. 42.
= Unio heterodon Lea, 1829 — Conrad, 1838: 90, pl. 49, figs. 3.
= Margarita (Unio) heterodon Lea — Lea, 1838: 16.
= Margarita (Unio) heterodon (Lea, 1829) — Lea, 1836: 18.
= Unio heterodon Lea — Ferussac, 1835: 26.
= Unio heterodon — Jay, 1835: 16.
= Unio heterodon Lea — Lea, 1829: 420, 428, pl. 8, fig. 11.
