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 | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Alasmidonta

species Alasmidonta mccordi Athearn, 1964: specimens
     1 available nominal species synonym (2 total synonyms)

Recent Taxonomic Opinions

Alasmidonta (Alasmidens) mccordi — Graf & Cummings (2007)
Alasmidonta mccordi — Williams et al. (2008), Bogan (2010), Cummings & Graf (2010), IUCN (2011), ITIS (2012), ... FMCS (2021), Williams et al. (2022), Whelan et al. (2023), Hopper et al. (2023), FMCS (2025)

Range

Coosa River, Alabama, USA. Extinct.

Map of Georeferenced Specimens

USA

NMC_20094. Coosa River, Ten Island Shoals, just below old Lock 2 Dam, three and two-tenths miles south of Greenport, St. Clair County, Alabama