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Thu 3 September 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

Bivalvia | ... | Unionidae | Ambleminae | Quadrulini | Quadrulina | Pustulosa succissa

nominal species Quadrula (sec. Fusconaia) wrightii Simpson, 1914

= Pustulosa succissa

Taxonomic Opinions

+ Cyclonaias succissa (Lea, 1852) — Lopes-Lima et al., 2019

+ Quadrula succissa (Lea, 1852) — Williams et al., 2014

+ Quadrula succissa (Lea, 1852) — Williams et al., 2011

+ Fusconaia succissa (Lea, 1852) — Burch, 1975

= Fusconaia succissa wrightii (Simpson, 1914) — Haas, 1969

+ Fusconaia succissus (Lea, 1852) — Clench & Turner, 1956

= Quadrula (Fusconia [sic]) succissa-wrightii Simpson, 1914 — Frierson, 1927

= Quadrula (sec. Fusconaia) wrightii n. s. — Simpson, 1914