Page last updated
Wed 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!

Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Utterbackiana

species Utterbackiana suborbiculata (Say, 1831): specimens
     2 available nominal species synonyms

Recent Taxonomic Opinions

Utterbackia suborbiculata — Graf & Cummings (2007), Cummings & Graf (2010)
Anodonta suborbiculata — Zanatta et al. (2007), Tiemann et al. (2007), Williams et al. (2008), Watters et al. (2009), Bogan (2010), ... McMurray et al. (2012), Williams et al. (2014), Pfeiffer et al. (2016), Smith et al. (2018), Marshall et al. (2018)
Pyganodon grandis grandis — Watters et al. (2009)
Utterbackiana suborbiculata — Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Whelan et al. (2023), Hopper et al. (2023), Perkins et al. (2025), FMCS (2025)

Range

Widespread in the Interior Basin and rivers draining to the Gulf of Mexico, USA.

Map of Georeferenced Specimens

USA

TYPE_LOCALITY_MP_004. Ponds near the Wabash

TYPE_LOCALITY_MP_005. Sciota R. (Ohio)

Georeferenced Genbank Vouchers

USA

JBFMC_9521_1. (16S: PQ238829, COI: OK562094, go to Genbank) USA: Texas, Neches River.