MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Quadrulini | Quadrulina | Theliderma
species Theliderma stapes (Lea, 1831): synonymy
Synonymy
Unio stapes Lea, 1831
Lea, 1831. Trans. Amer. Phil. Soc. 4 [O. 1]: 77, pl. 7, fig. 8.
HOLOTYPE (MONOTYPY) USNM_84218, Alabama R., Ala.
Quadrula (s.s.) stapes — Simpson (1900)
Quadrula (s.s.) (Group of Q. metanevra) stapes — Simpson (1914)
Quadrula (Orthonymus) stapes — Frierson (1927)
Orthonymus stapes — Haas (1969)
Quadrula stapes — Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Lydeard et al. (1999), Jones et al. (2005), Williams et al. (2008), Bogan (2010), ITIS (2012), Haag (2012)
Theliderma stapes — IUCN (1996), Graf & Cummings (2007), Cummings & Graf (2010), Williams et al. (2017), Lopes-Lima et al. (2019), Graf & Cummings (2021), FMCS (2021), Neemuchwala et al. (2023), Hopper et al. (2023), FMCS (2025)
Unio retusus Say, 1834
(misidentified reference to Obliquaria (Quadrula) retusa Rafinesque, 1820)
‘R.’ Say, 1834. Amer. Conch. 1(6): sp. 26 [synonymy].
Quadrula (s.s.) stapes — Simpson (1900)
Quadrula (s.s.) (Group of Q. metanevra) stapes — Simpson (1914)
Unio stegarius Küster, 1861
(misidentified reference to Obovaria stegaria Rafinesque, 1820)
‘Rafinesque’ Küster, 1861. Conchyl. Cab. 9(2): 211, pl. 70, fig. 3.
Quadrula (s.s.) stapes — Simpson (1900)
Quadrula (s.s.) (Group of Q. metanevra) stapes — Simpson (1914)
Taxonomic History (since 1900)
Quadrula (s.s.) stapes — Simpson (1900)
Quadrula (s.s.) (Group of Q. metanevra) stapes — Simpson (1914)
Quadrula (Orthonymus) stapes — Frierson (1927)
Orthonymus stapes — Haas (1969)
Quadrula stapes — Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Lydeard et al. (1999), Jones et al. (2005), Williams et al. (2008), Bogan (2010), ITIS (2012), Haag (2012)
Theliderma stapes — IUCN (1996), Graf & Cummings (2007), Cummings & Graf (2010), Williams et al. (2017), Lopes-Lima et al. (2019), Graf & Cummings (2021), FMCS (2021), Neemuchwala et al. (2023), Hopper et al. (2023), FMCS (2025)
