| Page last updated
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!
Search the database pages:
Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Pachynaias species Pachynaias spheniopsis (Morelet, 1849): synonymy
32 specimens + 2 Genbank vouchers Unio spheniopsis Morelet, 1849
 Morelet, 1849. Test. Nov. 1: 29.
Type(s): LECTOTYPE [AS HOLOTYPE] BMNH_93-2-4-2028 (by R.I. Johnson, 1971: 94), flumen Usumacinta, Guatemala.
Quadrula (sec. Pachynaias) spheniopsis — Simpson (1900), Simpson (1914)
Unio (Pleurobema) spheniopsis — Martens (1900)
Nephronaias spheniopsis — Ihering (1901)
Elliptio (Pachynaias) spheniopsis — Frierson (1927)
Pachynaias spheniopsis — Haas (1929), Thiele (1934), Haas (1969), Haas (1969), Graf & Cummings (2007), ... Smith et al. (2020), Graf & Cummings (2021), Czaja et al. (2023), Freeman et al. (2025), Cummings et al. (2025)
Pavhynaias [sic] spheniopsis — Contreras-Arquieta (2000) | |
Unio rugososulcatus Lea, 1866
 Lea, 1866. Proc. Acad. Nat. Sci. 18: 33.
 Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 266 [26], pl. 34, fig. 81.
Type(s): LECTOTYPE [AS HOLOTYPE] USNM_84392 (by R.I. Johnson, 1974: 127), Central America.
Quadrula (sec. Pachynaias) rugososulcata — Simpson (1900), Simpson (1914)
— Martens (1900)
Elliptio (Pachynaias) rugososulcatus — Frierson (1927)
Pachynaias rugososulcata — Haas (1929), Haas (1969), Graf & Cummings (2021)
Pachynaias rugosulcata [sic] — Graf & Cummings (2007), Bogan (2010)
Pachynaias spheniopsis — Cummings et al. (2025) | |
Unio sallei var. grossus Martens, 1900
 Martens, 1900. Biol. Centr.-Amer., Moll.: 517, pl. 34, figs. 2-2b.
(intro'd as intra-sp. of Unio sallei Crosse & Fischer, 1894)
Type(s): HOLOTYPE (MONOTYPY) ZMB_108850, Rio Salinas, Guatemala.
Unio (Elliptio) sallei var. grossus — Martens (1900)
Plagiola (Arotonaias) sallei var. grossa — Simpson (1914)
Elliptio (Barynaias) sallei-grossus — Frierson (1927)
Elliptio (Barynaias) sallei — Haas (1929)
Barynaias sallei — Haas (1969)
Pachynaias spheniopsis — Cummings et al. (2025) | |
Pachynaias rugosulcata Graf & Cummings, 2007
‘Lea’ Graf & Cummings, 2007. J. Moll. Studies 73: 309.
‘Lea’ Bogan, 2010. FADA: [24].
(error for Unio rugososulcatus Lea, 1866) | |
Taxonomic History (since 1900)Quadrula (sec. Pachynaias) spheniopsis — Simpson (1900), Simpson (1914)
Unio (Pleurobema) spheniopsis — Martens (1900)
Quadrula (sec. Pachynaias) rugososulcata — Simpson (1900), Simpson (1914)
— Martens (1900)
Unio (Elliptio) sallei var. grossus — Martens (1900)
Nephronaias spheniopsis — Ihering (1901)
Plagiola (Arotonaias) sallei var. grossa — Simpson (1914)
Elliptio (Pachynaias) spheniopsis — Frierson (1927)
Elliptio (Pachynaias) rugososulcatus — Frierson (1927)
Elliptio (Barynaias) sallei-grossus — Frierson (1927)
Pachynaias spheniopsis — Haas (1929), Thiele (1934), Haas (1969), Haas (1969), Graf & Cummings (2007), ... Smith et al. (2020), Graf & Cummings (2021), Czaja et al. (2023), Freeman et al. (2025), Cummings et al. (2025)
Pachynaias rugososulcata — Haas (1929), Haas (1969), Graf & Cummings (2021)
Elliptio (Barynaias) sallei — Haas (1929)
Barynaias sallei — Haas (1969)
Pavhynaias [sic] spheniopsis — Contreras-Arquieta (2000)
Pachynaias rugosulcata [sic] — Graf & Cummings (2007), Bogan (2010)
|
