Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Quadrulini | Quadrulina | Pustulosa
2 specimens + 24 GenBank vouchers

Lea, 1852. Trans. Amer. Phil. Soc. 10 [O. 5]: 275 [31], pl. 21, fig. 32.
Lea, 1852. Proc. Amer. Phil. Soc. 5: 252. [nomen nudum]
Type(s): HOLOTYPE USNM_84574, W Florida.
Quadrula (sec. Fusconaia) succissa — Simpson (1900), Simpson (1914)
Fusconaia succissa — Ortmann (1923), Ortmann (1925), Burch (1975), Davis et al. (1981), Davis (1984), ... Graf & Cummings (2007), Zhou et al. (2007), Cummings & Graf (2010), ITIS (2012), Szumowski et al. (2012)
Quadrula (Fusconia [sic]) succissa — Frierson (1927)
Fusconaia succissus — Clench & Turner (1956)
Fusconaia succissa succissa — Haas (1969)
Quadrula succissa — Serb et al. (2003), Williams et al. (2008), Bogan (2010), IUCN (2011), Williams et al. (2011), Haag (2012), Williams et al. (2014)
Rotundaria succissa — Campbell & Lydeard (2012), Campbell & Lydeard (2012)
Amphinaias succissa — ITIS (2013)
Cyclonaias succissa — Williams et al. (2017), Johnson et al. (2018), Lopes-Lima et al. (2019), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), Hauck et al. (2023)
Pustulosa succissa — Neemuchwala et al. (2023), FMCS (2025)

Lea, 1859. Proc. Acad. Nat. Sci. 11: 154.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 344, pl. 56, fig. 169.
Type(s): HOLOTYPE USNM_85724, Choctahatchee R., W. Florida.
Quadrula (sec. Fusconaia) succissa — Simpson (1900), Simpson (1914)
Quadrula (Fusconia [sic]) succissa — Frierson (1927)
Fusconaia succissus — Clench & Turner (1956)
Fusconaia succissa succissa — Haas (1969)
Fusconaia succissa — Burch (1975)
Quadrula succissa — Williams et al. (2008), Williams et al. (2011), Williams et al. (2014)
Cyclonaias succissa — Lopes-Lima et al. (2019)
Simpson, 1914. Descr. Cat. Naiades: 868.
Quadrula (sec. Fusconaia) wrightii — Simpson (1914)
Quadrula (Fusconia [sic]) succissa-wrightii — Frierson (1927)
Fusconaia succissus — Clench & Turner (1956)
Fusconaia succissa wrightii — Haas (1969)
Fusconaia succissa — Burch (1975)
Quadrula succissa — Williams et al. (2011), Williams et al. (2014)
Cyclonaias succissa — Lopes-Lima et al. (2019)
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 33, sp. 174.
(reference to Unio succissus Lea, 1852; error for Unio succissus Lea, 1852)
Quadrula (sec. Fusconaia) succissa — Simpson (1900)
Quadrula (Fusconia [sic]) hebetata — Frierson (1927)
Quadrula (sec. Fusconaia) succissa — Simpson (1900), Simpson (1914)
Quadrula (sec. Fusconaia) wrightii — Simpson (1914)
Fusconaia succissa — Ortmann (1923), Ortmann (1925), Burch (1975), Davis et al. (1981), Davis (1984), ... Graf & Cummings (2007), Zhou et al. (2007), Cummings & Graf (2010), ITIS (2012), Szumowski et al. (2012)
Quadrula (Fusconia [sic]) succissa — Frierson (1927)
Quadrula (Fusconia [sic]) hebetata — Frierson (1927)
Quadrula (Fusconia [sic]) succissa-wrightii — Frierson (1927)
Fusconaia succissus — Clench & Turner (1956)
Fusconaia succissa succissa — Haas (1969)
Fusconaia succissa wrightii — Haas (1969)
Quadrula succissa — Serb et al. (2003), Williams et al. (2008), Bogan (2010), IUCN (2011), Williams et al. (2011), Haag (2012), Williams et al. (2014)
Rotundaria succissa — Campbell & Lydeard (2012), Campbell & Lydeard (2012)
Amphinaias succissa — ITIS (2013)
Cyclonaias succissa — Williams et al. (2017), Johnson et al. (2018), Lopes-Lima et al. (2019), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), Hauck et al. (2023)
Pustulosa succissa — Neemuchwala et al. (2023), FMCS (2025)