| Page last updatedWed 1 October 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! 
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 Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Arotonaias species Arotonaias gabbiana (Lea, 1868): synonymy36 specimens
 | Unio gabbianus Lea, 1868
  Lea, 1868. Proc. Acad. Nat. Sci. 20: 95. 
  Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 295 [55], pl. 43, fig. 106. Type(s): LECTOTYPE USNM_84387 (by Johnson & Baker, 1973: 156), L. Nicaragua.
 
 Plagiola (Ptychoderma) nicaraguensis — Simpson (1900)
 Unio (Arotonaias) gabbianus — Martens (1900)
 Plagiola (Arotonaias) nicaraguensis — Simpson (1914)
 Arotonaias gabbiana — Frierson (1927), Cummings et al. (2025)
 — Haas (1969)
 Arotonaias gabbianus — Bogan (2010), Graf & Cummings (2021)
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 | Unio nicaraguensis Lea, 1868
  Lea, 1868. Proc. Acad. Nat. Sci. 20: 95. 
  Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 296 [56], pl. 43, fig. 107. Type(s): LECTOTYPE USNM_84390 (by Johnson & Baker, 1973: 163), Lake Nicaragua.
 
 Plagiola (Ptychoderma) nicaraguensis — Simpson (1900)
 Unio (Arotonaias) gabbianus — Martens (1900)
 Plagiola (Arotonaias) nicaraguensis — Simpson (1914)
 Arotonaias gabbiana — Frierson (1927), Cummings et al. (2025)
 Plagiola nicaraguensis — Goodrich & van der Schalie (1937)
 — Haas (1969)
 Arotonaias nicaraguensis — Graf & Cummings (2007)
 Arotonaias gabbianus — Bogan (2010), Graf & Cummings (2021)
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 Taxonomic History (since 1900)Plagiola (Ptychoderma) nicaraguensis — Simpson (1900)Unio (Arotonaias) gabbianus — Martens (1900)
 Plagiola (Arotonaias) nicaraguensis — Simpson (1914)
 Arotonaias gabbiana — Frierson (1927), Cummings et al. (2025)
 Plagiola nicaraguensis — Goodrich & van der Schalie (1937)
 — Haas (1969)
 Arotonaias nicaraguensis — Graf & Cummings (2007)
 Arotonaias gabbianus — Bogan (2010), Graf & Cummings (2021)
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