Bivalvia | Unionida | Etherioidea | Mycetopodidae | Anodontitinae | Anodontites trapezea

nominal species Anodon rotundus Spix in Wagner, 1827

Anodon rotundus Spix in Wagner, 1827 = Anodontites trapezea

(renamed Unio (Anodontes) spixii d’Orbigny, 1835)
Spix in Wagner, 1827. Test. Fluv. Brasil.: 28, pl. 20, figs. 2-4.
LECTOTYPE ZSM_MOL_20041233 (by Fechter, 1983: 233), Brasilien, Staat Sao Paulo.

Taxonomic Opinions

+ Anodontites trapezea (Spix, 1827) — Nagel, 2025: 222.

lectotype ZSM Mol 20041233 (by Fechter, 1983: 233, pl. C, figs. 3-4) — Brazil, “habitat in Provincia S. Pauli” (Zoologische Staatssammlung München)

paralectotypes SMF 3809/2 (ex Museum München, leg. J.B. von Spix)

+ Anodontites trapezeus (Spix, 1827) — Simone, 2006: 283.

+ Anodontites trapezeus (Spix, 1827) — Ramírez et al., 2003: 273.

+ Anodontites trapezeus (Spix, 1827) — Mansur et al., 1988: 96.

+ Anodontites (s.s.) trapezeus (Spix, 1827) — Mansur, 1970: 42.

+ Anodontites (s.s.) trapezeus (Spix) — Haas, 1969: 568.

+ Anodontites (s.s.) trapezeus (Spix) — Figueiras, 1965: 251.

+ Anodontites (s.s.) trapezeus (Spix, 1827) — Haas, 1931: 97.

paratypes SMF_3809 — Sao Paulo.

+ Anodontites (s.s.) trapezea (Spix, 1827) — Ortmann, 1921: 598.

= Anodontites (s.s.) rotundus (Spix, 1827) — Simpson, 1914: 1410.

= Glabaris (s.s.) rotundus Spix — Simpson, 1900: 918.

= Glabaris rotunda Spix — Ihering, 1893: 59.

= Anodonta rotunda Spix — Ihering, 1890: 142, fig. 5.

= Margaron (Anodonta) rotunda (Spix) — Lea, 1870: 81, 82.

+ Anodonta membranaceus (Maton) — Hupé, 1857: 86.

+ Margaron (Anodonta) lato-marginata (Lea) — Lea, 1852: 51.

+ Anodonta trapezeum Spix — d’Orbigny, 1846: 619.

+ Anodonta latomarginata Lea — Hanley, 1843: 221.

+ Margarita (Anodonta) lato-marginata Lea. D’Orb. — Lea, 1838: 31.

+ Anodonta spixii d’Orb. — Moricand, 1837: 147.

+ Margarita (Anodonta) lato-marginata (Lea, 1834) — Lea, 1836: 53.

+ Unio (Anodontes) spixii d’Orb. — d’Orbigny, 1835: 39.

= Anodon rotundus Spix & Wagner, 1827 — Wagner, 1827: 28, sp. 3, fig. 20, figs. 2-4.