| Page last updatedWed 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! 
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 Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Potamilus species Potamilus metnecktayi R.I. Johnson, 1998: specimens1 available nominal species synonym (2 total synonyms)
 Recent Taxonomic OpinionsPotamilus metnecktayi — Graf & Cummings (2007), Bogan (2010), Cummings & Graf (2010), Breton et al. (2011), Williams et al. (2017), ... FMCS (2021), Czaja et al. (2023), Hopper et al. (2023), FMCS (2025), Cummings et al. (2025) RangeRio Grande Basin, Texas and Mexico. Map of Georeferenced Specimens
 Mexico|  UMMZ_255018
 Rio Salado, 45 mi S Nuevo Laredo, Tamaulipas, Mexico
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 Georeferenced Genbank Vouchers
 MexicoUF_438911-6813. (28S: MK036123, 5.8S: MK036206, COI: MK044955, ITS1: MK036206, ND1: MK045106, go to Genbank) Rio Grande River, Rio Grande drainage (29.802, -102.1372). UF_438911-6814. (28S: MK036122, 5.8S: MK036205, COI: MK044954, ITS1: MK036205, ND1: MK045105, go to Genbank) ditto. UF_438911-6816. (28S: MK036124, 5.8S: MK036207, COI: MK044956, ITS1: MK036207, ND1: MK045107, go to Genbank) ditto. 
 USAUF_438911. (SRA: SRR10579070, go to Genbank) USA, Texas, Terrell County, Rio Grande, 1200 m downstream of Drydens Crossing (29.801988, -102.13723). |