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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!
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Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Actinonaias species Actinonaias sapotalensis (Lea, 1841): synonymy
23 specimens Unio sapotalensis Lea, 1841
 Lea, 1841. Proc. Amer. Phil. Soc. 2: 30.
 Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 233 [71], pl. 21, fig. 47.
Type(s): HOLOTYPE (MONOTYPY) USNM_85072, Sapotal River, near Tlacatalpan, Mexico; 60 mi S of Vera Cruz.
Nephronaias sapotalensis — Simpson (1900), Ortmann (1912), Simpson (1914)
Unio (Lampsilis) sapotalensis — Martens (1900)
Actinonaias sapotalensis — Frierson (1917), Thiele (1934), Haas (1969), Haas (1969), Graf & Cummings (2007), Bogan (2010), Bogan (2013), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025)
Lampsilis (Actinonaias) sapotalensis — Frierson (1927) | |
Unio computatus Crosse & Fischer, 1894
 Crosse & Fischer, 1894. J. de Conch. 41: 295.
Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(16): 601, pl. 67, figs. 2-2a.
Type(s): LECTOTYPE MNHN-IM-2000-1662 (by Cummings et al., 2025: 132), Coatzacoalcos, Vera Cruz, Mexico.
Unio (Lampsilis) computatus — Martens (1900)
— Simpson (1900)
Nephronaias computata — Simpson (1914)
Lampsilis (Actinonaias) computata — Frierson (1927)
Actinonaias computata — Haas (1969), Graf & Cummings (2007), Bogan (2010), Bogan (2013), Graf & Cummings (2021), Czaja et al. (2023)
Actinonaias sapotalensis — Cummings et al. (2025) | |
Lampsilis ruthveni H.B. Baker, 1922
 H.B. Baker, 1922. Occ. Pap. Mus. Zool. Univ. Mich. (106): 29, pl. 11, fig. 53; pl. 12, fig. 53; pl. 13, figs. 51-54.
Type(s): HOLOTYPE UMMZ_34891, Rio San Juan, Mexico.
Lampsilis (Actinonaias) ruthveni — Frierson (1927)
Actinonaias computata — Haas (1969)
Actinonaias sapotalensis — Cummings et al. (2025) | |
Taxonomic History (since 1900)Nephronaias sapotalensis — Simpson (1900), Ortmann (1912), Simpson (1914)
Unio (Lampsilis) sapotalensis — Martens (1900)
Unio (Lampsilis) computatus — Martens (1900)
— Simpson (1900)
Nephronaias computata — Simpson (1914)
Actinonaias sapotalensis — Frierson (1917), Thiele (1934), Haas (1969), Haas (1969), Graf & Cummings (2007), Bogan (2010), Bogan (2013), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025)
Lampsilis (Actinonaias) sapotalensis — Frierson (1927)
Lampsilis (Actinonaias) computata — Frierson (1927)
Lampsilis (Actinonaias) ruthveni — Frierson (1927)
Actinonaias computata — Haas (1969), Graf & Cummings (2007), Bogan (2010), Bogan (2013), Graf & Cummings (2021), Czaja et al. (2023)
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