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 | Potamilus

species Potamilus amphichaenus (Frierson, 1898): specimens
     1 available nominal species synonym

Recent Taxonomic Opinions

Potamilus amphichaenus — Graf & Cummings (2007), Bogan (2010), Cummings & Graf (2010), ITIS (2012), Haag (2012), ... Smith et al. (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Leptodea amphichaena — ITIS (2012)

Range

Texas, western Gulf Coastal Plain.

Map of Georeferenced Specimens

USA

Georeferenced Genbank Vouchers

USA

Mp_3951_Pamp2. (28S: MK036116, 5.8S: MK036199, COI: MK044948, ITS1: MK036199, ND1: MK045099, go to Genbank) Grapevine Lake, Trinity drainage (32.9805, -97.0984).

Mp_3951_Pamp6. (COI: MK045015, ND1: MK045167, go to Genbank) ditto.

Mp_3951_Pamp7. (COI: MK045016, ND1: MK045168, go to Genbank) ditto.

UF_438957-6959. (COI: MK045014, ND1: MK045166, go to Genbank) ditto.

UA_2997. (COI: MK045018, ND1: MK045170, go to Genbank) Lake Lewisville, Trinity drainage (33.109, -96.9982).

JBFMC_8043-2. (COI: MK045010, ND1: MK045162, go to Genbank) Neches River, Neches drainage (30.659, -94.1709).

JBFMC_8043-3. (COI: MK045011, ND1: MK045163, go to Genbank) ditto.

JBFMC_8043-4. (COI: MK045012, ND1: MK045164, go to Genbank) ditto.

UF_438920-6849. (COI: MK045009, ND1: MK045161, go to Genbank) Neches River, Neches drainage (31.8852, -95.4317).

UF_439482-237. (28S: MK036118, 5.8S: MK036201, COI: MK044950, ITS1: MK036201, ND1: MK045101, go to Genbank) Sabine River, Sabine drainage (32.3695, -94.4574).

UF_439483-238. (COI: MK045013, ND1: MK045165, go to Genbank) ditto.

JBFMC_8450-1. (COI: MK045031, ND1: MK045183, go to Genbank) Trinity River, Trinity drainage (31.6257, -95.7881).

JBFMC_8450-3. (COI: MK045032, ND1: MK045184, go to Genbank) ditto.

JBFMC_8450-4. (COI: MK045033, ND1: MK045185, go to Genbank) ditto.

UF_439095-9875. (28S: MK036117, 5.8S: MK036200, COI: MK044949, ITS1: MK036200, ND1: MK045100, go to Genbank) Trinity River, Trinity drainage (31.6836, -95.7921).

UF_439095-9876. (COI: MK045017, ND1: MK045169, go to Genbank) ditto.

JBFMC_8444-1. (COI: MK045025, ND1: MK045177, go to Genbank) Trinity River, Trinity drainage (31.9366, -96.0191).

JBFMC_8444-2. (COI: MK045026, ND1: MK045178, go to Genbank) ditto.

JBFMC_8444-3. (COI: MK045027, ND1: MK045179, go to Genbank) ditto.

JBFMC_8444-4. (COI: MK045028, ND1: MK045180, go to Genbank) ditto.

JBFMC_8444-5. (COI: MK045029, ND1: MK045181, go to Genbank) ditto.

JBFMC_8444-6. (COI: MK045030, ND1: MK045182, go to Genbank) ditto.

JBFMC_8442-1. (COI: MK045019, ND1: MK045171, go to Genbank) Trinity River, Trinity drainage (32.0219, -96.0584).

JBFMC_8442-2. (COI: MK045020, ND1: MK045172, go to Genbank) ditto.

JBFMC_8442-3. (COI: MK045021, ND1: MK045173, go to Genbank) ditto.

JBFMC_8442-4. (COI: MK045022, ND1: MK045174, go to Genbank) ditto.

JBFMC_8442-5. (COI: MK045023, ND1: MK045175, go to Genbank) ditto.

JBFMC_8442-6. (COI: MK045024, ND1: MK045176, go to Genbank) ditto.

UF_439483. (SRA: SRR10579073, go to Genbank) USA, Texas/Louisiana, Panola/DeSoto, Sabine River 2.8 km NW of Logansport, LA (31.992389, -94.019922).

UF_439482_237. (16S: PQ238815, 28S: MK036118, 5.8S: MK036201, COI: MK044950, ITS1: MK036201, ND1: MK045101, go to Genbank) USA: Texas, Sabine River.