species Diplodon besckeanus (Dunker, 1849): synonymy

Unio besckeanus Dunker, 1849

Dunker, 1849. Zeitschr. f. Malakozool. 5(12): 182.
Type(s): LECTOTYPE ZMB_108714 (by Haas, 1930: 194, fig. 18), Parahiba porta da Cunha, Minas Geraes.

Diplodon (s.s.) beskeanus [sic] — Simpson (1900), Simpson (1914)
Diplodon beskeanus [sic] — Ihering (1910), Figueiras (1965), Parodiz (1968)
Diplodon besckeanus — Haas (1930), Simone (2006), Graf & Cummings (2007), Bogan (2010), Nagel (2025)
Diplodon (s.s.) besckeanus besckeanus — Morretes (1949), Haas (1969)
Diplodon (s.s.) besckeanus — Pereira et al. (2014)
Diplodon ellipticus — Miyahira et al. (2019), Mansur et al. (2020), Graf & Cummings (2021)

Diplodon beskeanus ‘Dunker’ of Authors

(error for Unio besckeanus Dunker, 1849)
‘Dunker’ of Authors.
Lea, 1852. Synopsis Fam. Naiades: 39, Corrigenda et Addenda.
Lea, 1870. Synopsis Fam. Naiades: 61.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 875.
Ihering, 1910. Abh. Senckenb. Naturf. Ges. 32: 139.
Figueiras, 1965. Comm. Soc. Malac. Uruguay 1(8): 238.
Parodiz, 1968. Sterkiana 30: 3.

Diplodon ellipticus — Miyahira et al. (2019)

Diplodon panco Ihering, 1910

Ihering, 1910. Abh. Senckenb. Naturf. Ges. 32: 132, pl. 12, figs. 6a-b.
Type(s): TYPE SMF_3920, Rio Doce, Staat Espirito Santo, Bras.

Diplodon panco — Ihering (1910), Simpson (1914)
Diplodon besckeanus — Haas (1930), Simone (2006)
Diplodon (s.s.) panco — Morretes (1949)
Diplodon beskeanus [sic] — Parodiz (1968)
Diplodon (s.s.) besckeanus besckeanus — Haas (1969)

Diplodon ellipticus santanus Ihering, 1910

(intro'd as intra-sp. of Diplodon ellypticum Spix in Wagner, 1827)
Ihering, 1910. Abh. Senckenb. Naturf. Ges. 32: 134.
Type(s): TYPE SMF_3893, Rio Santa Maria, Nebenfl. d. Rio Doce, Esp. Santo, Bras.

Diplodon ellipticus santanus — Ihering (1910)
Diplodon (s.s.) wagnerianus var. santanus — Simpson (1914)
Diplodon (s.s.) ellipticus — Ortmann (1921)
Diplodon besckeanus — Haas (1930), Simone (2006)
Diplodon (s.s.) wagnerianus santanus — Morretes (1949)
Diplodon ellipticus var. santanus — Bonetto (1959)
Diplodon (s.s.) rhuacoicus — Figueiras (1965)
Diplodon rhombeus — Parodiz (1968)
Diplodon (s.s.) besckeanus besckeanus — Haas (1969)
Diplodon ellipticus — Miyahira et al. (2019)

Unio boscianus Lea, 1852

(error for Unio besckeanus Dunker, 1849)
‘Dunker’ Lea, 1852. Synopsis Fam. Naiades: 39.