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Data last updated
Mon 1 Dec 2025
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Bivalvia
| ... | Unionoidea
| Unionidae
| Ambleminae
| Quadrulini
| Quadrulina
| Quadrula
species Quadrula couchiana (Lea, 1860): synonymy23 specimens
Synonymy
Lea, 1860. Proc. Acad. Nat. Sci. 12: 305.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 371 [53], pl. 66, fig. 196.
Type(s): LECTOTYPE [AS HOLOTYPE] USNM_85728 (by R.I. Johnson, 1974: 38), Rio Salado, Mexico.
Quadrula (sec. Theliderma) couchiana — Simpson (1900), Simpson (1914)
Unio (Pleurobema) couchianus — Martens (1900)
Quadrula (Bullata) couchiana — Frierson (1927)
Quadrula (sec. Amphinaias) couchiana — Thiele (1934)
Quadrula (Pustulosa) couchiana — Haas (1969)
Quadrula (Amphinaias) couchianus — Haas (1969)
Quadrula couchiana — Turgeon et al. (1988), Williams et al. (1993), Howells et al. (1996), Turgeon et al. (1998), R.I. Johnson (1999), ... Czaja et al. (2023), Neemuchwala et al. (2023), Hopper et al. (2023), FMCS (2025), Cummings et al. (2025)
Amphinaias couchiana — IUCN (1996), Graf & Cummings (2007), Cummings & Graf (2010)
Quadrula counchiana [sic] — Contreras-Arquieta (2000)
Taxonomic History (since 1900)Quadrula (sec. Theliderma) couchiana — Simpson (1900), Simpson (1914)
Unio (Pleurobema) couchianus — Martens (1900)
Quadrula (Bullata) couchiana — Frierson (1927)
Quadrula (sec. Amphinaias) couchiana — Thiele (1934)
Quadrula (Pustulosa) couchiana — Haas (1969)
Quadrula (Amphinaias) couchianus — Haas (1969)
Quadrula couchiana — Turgeon et al. (1988), Williams et al. (1993), Howells et al. (1996), Turgeon et al. (1998), R.I. Johnson (1999), ... Czaja et al. (2023), Neemuchwala et al. (2023), Hopper et al. (2023), FMCS (2025), Cummings et al. (2025)
Amphinaias couchiana — IUCN (1996), Graf & Cummings (2007), Cummings & Graf (2010)
Quadrula counchiana [sic] — Contreras-Arquieta (2000)
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