Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Pseudodontoideus
5 available nominal species synonyms (8 total synonyms)
Strophitus subvexus — Graf & Cummings (2007), Williams et al. (2008), Chong et al. (2008), Bogan (2010), Cummings & Graf (2010), ITIS (2012), Haag (2012), Inoue et al. (2014), Williams et al. (2017), Inoue et al. (2018), Hauck et al. (2023)
Strophitus connasaugaensis — Williams et al. (2008)
Pseudodontoideus subvexus — Smith et al. (2018), Graf & Cummings (2021), Bieler (2021), FMCS (2021), Whelan et al. (2023), Hopper et al. (2023), Perkins et al. (2025), FMCS (2025)
From the Sabine River, Texas to the Apalachicola, Florida, USA.

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UAUC_2715. (16S: AY655077, COI: AY655021, ND1: AY655122, go to Genbank) Tombigbee River, Sucarnoochie Creek, Old Scooba Crossing, Kemper Co. MS.