Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Amblemini | Reginaia
Williams & Fradkin, 1999. Tulane Stud. Zool. Bot. 31(1): 51, fig. 2.
Fusconaia apalachicola — Williams et al. (2008), Bogan (2010), Williams et al. (2011)
Reginaia apalachicola — Campbell & Lydeard (2012), Williams et al. (2014), Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Fusconaia apalachicola — Williams et al. (2008), Bogan (2010), Williams et al. (2011)
Reginaia apalachicola — Campbell & Lydeard (2012), Williams et al. (2014), Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)