Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Amblemini | Reginaia
1 specimen + 3 GenBank vouchers

B.H. Wright, 1899. Nautilus 13(2): 22.
Type(s): HOLOTYPE USNM_159969, Escambia R., Escambia Co., Fla.
Obovaria (s.s.) rotulata — Simpson (1900), Simpson (1914), Frierson (1927), Haas (1969)
Obovaria rotulatus — Simpson (1900)
Obovaria rotulata — R.I. Johnson (1967), Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), ... Serb et al. (2003), Campbell et al. (2005), Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012)
Fusconaia rotulata — Williams et al. (2008), Bogan (2010)
Fusconaia rotulatus — Williams et al. (2011)
Reginaia rotulata — Campbell & Lydeard (2012), Campbell & Lydeard (2012), Haag (2012), Inoue et al. (2013), Williams et al. (2014), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025), Campbell & Lydeard (2026)
Obovaria (s.s.) rotulata — Simpson (1900), Simpson (1914), Frierson (1927), Haas (1969)
Obovaria rotulatus — Simpson (1900)
Obovaria rotulata — R.I. Johnson (1967), Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), ... Serb et al. (2003), Campbell et al. (2005), Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012)
Fusconaia rotulata — Williams et al. (2008), Bogan (2010)
Fusconaia rotulatus — Williams et al. (2011)
Reginaia rotulata — Campbell & Lydeard (2012), Campbell & Lydeard (2012), Haag (2012), Inoue et al. (2013), Williams et al. (2014), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025), Campbell & Lydeard (2026)