Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Arotonaias

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)
Arotonaias gabbianus — Bogan (2010), Graf & Cummings (2021)

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)
Arotonaias nicaraguensis — Graf & Cummings (2007)
Arotonaias gabbianus — Bogan (2010), Graf & Cummings (2021)
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)
Arotonaias nicaraguensis — Graf & Cummings (2007)
Arotonaias gabbianus — Bogan (2010), Graf & Cummings (2021)