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 | Strophitus

species Strophitus howellsi Smith, Kiser, Johnson & Randklev, 2023: specimens
     1 available nominal species synonym (2 total synonyms)

Recent Taxonomic Opinions

Strophitus howellsi — Smith et al. (2023), FMCS (2025)

Range

Colorado River, Texas, USA.

Map of Georeferenced Specimens

There are no specimens for this species in the MUSSELpdb.

Georeferenced Genbank Vouchers

USA

UF_438106.SundCol004. (COI: OQ739069, ITS1: OQ745773, ND1: OQ744138, go to Genbank) USA, Texas, Mason County, Llano River about 66m upstream of Rach Rd 1871 (30.658673, -99.3245).

UF_438106.SundCol005. (COI: OQ739070, ITS1: OQ745774, ND1: OQ744139, go to Genbank) ditto.

UF_438744.SundCol014. (5.8S: MG199935, COI: MG199681, ITS1: MG199935, ND1: MG199808, go to Genbank) USA, Texas, Mason County, Llano River at FM1871, ~12 miles SW of Mason, TX (30.658673, -99.3245).

UF_438744.SundCol015. (5.8S: MG199936, COI: MG199682, ITS1: MG199936, ND1: MG199809, go to Genbank) ditto.

UF_438744.SundCol016. (COI: OQ739074, ITS1: OQ745776, ND1: OQ744143, go to Genbank) ditto.

UF_438744.SundCol017. (5.8S: MG199937, COI: MG199683, ITS1: MG199937, ND1: MG199810, go to Genbank) ditto.

UF_438744.SundCol018. (5.8S: MG199938, COI: MG199684, ITS1: MG199938, ND1: MG199811, go to Genbank) ditto.

UF_438744.SundCol019. (COI: OQ739075, ITS1: OQ745777, ND1: OQ744144, go to Genbank) ditto.

UF_438191.SundCol003. (5.8S: MG199880, COI: MG199626, ITS1: MG199880, ND1: MG199753, go to Genbank) USA, Texas, Mason County, Llano River at FM1871, about 50m upstream of bridge (30.65781, -99.32435).