Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Strophitus
1 available nominal species synonym (2 total synonyms)
Strophitus undulatus — Smith et al. (2018), Gasparini et al. (2020), Whelan et al. (2023), Perkins et al. (2025)
Strophitus howellsi — Smith et al. (2023), FMCS (2025)
Colorado River, Texas, USA.

There are no specimens for this species in the MUSSELpdb.
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).