Page last updated
Thu 3 September 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 | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Lampsilis

species Lampsilis sietmani Keogh & Simons, 2019: specimens
     1 available nominal species synonym

Recent Taxonomic Opinions

Lampsilis sietmani — Keogh & Simons (2019), Graf & Cummings (2021), FMCS (2021), Stodola et al. (2021), Hopper et al. (2023), FMCS (2025), Campbell & Lydeard (2026)

Range

Widespread in rivers of the Interior Basin and western Gulf Coastal Plain, USA.

Map of Georeferenced Specimens

USA

JFBM_22433. Embarras River at Fox Ridge State Park, 11 km south of Charleston, IL (39.408800, -88.170600)

Georeferenced Genbank Vouchers

USA

JFBM_22433. (5.8S: MK391912, COI: MK391850, ITS1: MK391912, go to Genbank) Embarrass River (Upper Mississippi) (39.4088, -88.1706).

JFBM_22438_1. (5.8S: MK391910, COI: MK391843, ITS1: MK391910, go to Genbank) Embarrass River (Upper Mississippi) (39.409556, -88.171051).

JFBM_22438_2. (5.8S: MK391911, COI: MK391844, ITS1: MK391911, go to Genbank) ditto.

JFBM_22438_3. (COI: MK391845, go to Genbank) ditto.

JFBM_22438_4. (COI: MK391846, go to Genbank) ditto.

JFBM_22438_5. (COI: MK391847, go to Genbank) ditto.

JFBM_22438_6. (COI: MK391848, go to Genbank) ditto.

JFBM_22438_7. (COI: MK391849, go to Genbank) ditto.

INHS_32502. (COI: MK391853, go to Genbank) Illinois River (Upper Mississippi (39.729788, -90.629918).

INHS_32555. (COI: MK391855, go to Genbank) Illinois River (Upper Mississippi) (39.632209, -90.606099).

INHS_27760. (COI: MK391851, go to Genbank) Illinois River (Upper Mississippi) (39.7049, -90.6449).

INHS_32440. (COI: MK391852, go to Genbank) Illinois River (Upper Mississippi) (39.797858, -90.592985).

INHS_32542. (COI: MK391854, go to Genbank) Illinois River (Upper Mississippi) (39.81948, -90.577144).

JFBM_22439. (COI: MK391856, go to Genbank) Iowa River (Upper Mississippi (41.672157, -91.562415).

JFBM_22439_photo. (COI: MK391857, go to Genbank) ditto.

INHS_25524. (COI: MK391842, go to Genbank) Mississippi River (Upper Mississippi) (39.54019, -91.1461).

JFBM_14984_1. (COI: MK391840, go to Genbank) Mississippi River (Upper Mississippi) (39.723876, -91.360834).

JFBM_14984_2. (COI: MK391841, go to Genbank) ditto.

TAMU-NRI_8052_2. (5.8S: MK391908, COI: MK391838, ITS1: MK391908, go to Genbank) Neches River (Sabine/Trinity) (30.643163, -94.051707).

TAMU-NRI_8052_3. (5.8S: MK391909, COI: MK391839, ITS1: MK391909, go to Genbank) ditto.

ASUMZ_1820_1. (16S: PQ238836, go to Genbank) USA: Arkansas, White River.

JBFMC_9526_1. (16S: PQ238828, go to Genbank) USA: Texas, Neches River.

Mp_3935_photo_1. (5.8S: MK391913, COI: MK391858, ITS1: MK391913, go to Genbank) Wisconsin River (Upper Mississippi) (43.200412, -90.428356).