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 triangulata (Lea, 1858): specimens
     1 available nominal species synonym

Recent Taxonomic Opinions

Alasmidonta (s.s.) triangulata — Graf & Cummings (2007), Williams et al. (2014)
Alasmidonta triangulata — Williams et al. (2008), Bogan (2010), Cummings & Graf (2010), Williams et al. (2011), ITIS (2012), ... FMCS (2021), Whelan et al. (2023), Hopper et al. (2023), Perkins et al. (2025), FMCS (2025)

Range

Apalachicola and Chipola rivers, Alabama, Georgia, and Florida, USA.

Map of Georeferenced Specimens

USA

Georeferenced Genbank Vouchers

USA

UF_438251.6267. (COI: ON157873, ND1: ON164887, go to Genbank) USA, Florida, Calhoun County, Chipola River at SR20 (30.43084, -85.17185).

UF_439089.9865. (18S: ON197395, 5.8S: ON197395, ITS1: ON197395, go to Genbank) USA, Florida, Gulf County, Lower Chipola River, 2.8 km downstream of Dead Lake confluence; SCUBA surveys with quadrate excavation (30.102761, -85.176429).

UF_439089.9866. (COI: ON157874, ITS1: ON197396, ND1: ON164888, go to Genbank) ditto.

UF_441077.001. (18S: ON197398, 5.8S: ON197398, COI: ON157876, ITS1: ON197398, ND1: ON164890, go to Genbank) USA, Georgia, Decatur County, Inlet on RDB about 4 km upstream of Flint River Heights boat landing (31.00521, -84.52261).

UF_441077.003. (COI: ON157877, ITS1: ON197399, ND1: ON164891, go to Genbank) ditto.