species Diplodon solisianus (d’Orbigny, 1835): synonymy

Unio solisiana d’Orbigny, 1835

d’Orbigny, 1835. Mag. Zool. 5(61-62): 36. [in part]
d’Orbigny, 1846. Voyage dans l’Amérique Méridionale 5(3): 604, pl. 69, figs. 1-3.
LECTOTYPE BMNH_1854-9-4-48 (by R.I. Johnson, 1971: 94), Rio de la Plata, near Buenos Aires, Argentina.

Diplodon (Cyclomya sec. Bulloideus) solisianus — Simpson (1900), Simpson (1914)
Unio solisiana — Corsi (1900)
Diplodon (Bulloideus) solisianus — Haas (1931), Haas (1969)
Diplodon (Rhipidodonta) variabilis — Bonetto (1965), Figueiras (1965)
Diplodon solisianus — Parodiz (1968), Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021), Nagel (2025)
Rhipidodonta variabilis — Simone (2006)

Diplodon (Bulloideus ?) perfragilis Marshall, 1923

Marshall, 1923. Proc. U.S. Nat. Mus. 63(2485): 2, pl. 1, figs. 3-4; pl. 2, figs. 1-3.
HOLOTYPE (ORIG. DESIG.) USNM_346801, Colonia, Uruguay.

Diplodon (Rhipidodonta) variabilis — Bonetto (1965), Figueiras (1965)
Diplodon variabilis — Parodiz (1968)
Diplodon (Bulloideus) solisianus — Haas (1969)
Rhipidodonta variabilis — Simone (2006)

Unio solsiana Sowerby, 1866

(error for Unio solisiana d’Orbigny, 1835)
‘d’Orbigny’ Sowerby, 1866. Conch. Icon. 16: pl. 51, sp. 268.

Unio soliciana Bonetto, 1965

(error for Unio solisiana d’Orbigny, 1835)
‘d’Orbigny’ Bonetto, 1965. Anais Congr. Lat.-Amer. Zool. 2: 48.