Page last updated
Wed 1 October 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Ortmanniana

species Ortmanniana ligamentina (Lamarck, 1819): specimens
     19 available nominal species synonyms (29 total synonyms)

Recent Taxonomic Opinions

Actinonaias ligamentina — Graf & Cummings (2007), Williams et al. (2008), Chapman et al. (2008), Elderkin et al. (2008), Chapman et al. (2008), ... Gasparini et al. (2020), FMCS (2021), Walters et al. (2021), Jeratthitikul et al. (2022), Hopper et al. (2023)
Sphenonaias callosa — Graf & Cummings (2007), Graf & Cummings (2021)
Actinonaias ligamentina ligamentina — Watters et al. (2009)
Actinonaias ligamentina carinata — Watters et al. (2009)
Actinonaias carinata — Jadhav & Jamkhedkar (2009), Hoeh et al. (2009)
Actinonaias carinata carinata — ITIS (2012)
Actinonaias carinata gibba — ITIS (2012)
Ortmanniana ligamentina — Pfeiffer et al. (2019), Lor et al. (2020), Graf & Cummings (2021), Stodola et al. (2021), Layer et al. (2022), FMCS (2025)
Ortmanniana (Actinonaias) ligamentina — Porto-Hannes et al. (2021)
— Cummings et al. (2025)

Range

Widespread in the Interior and Great Lakes basins, North America.

Map of Georeferenced Specimens

USA

Georeferenced Genbank Vouchers

USA

UMMZ_265715. (28S: DQ191420, COI: AF156517, go to Genbank) Cannon River, Fairbault, MN.

UA_1941. (28S: MK036068, 5.8S: MK036152, COI: MK044901, ITS1: MK036152, ND1: MK045051, go to Genbank) Green River, Ohio drainage (37.17, -85.89).

UAUC_241. (16S: AY655027, ND1: AY655085, go to Genbank) Kankakee River, Aroma Park, T30N R13W Sec 23, Kankakee Co. IL.