species Polymesoda mexicana (Broderip & Sowerby, 1829): synonymy

Cyrena mexicana Broderip & Sowerby, 1829

Broderip & Sowerby, 1829. Zool. Jour. 4: 364.

Polymesoda (Egeta) mexicana — Martens (1900)
Polymesoda mexicana — H.B. Baker (1930), WoRMS (2012), OBIS (2012), Czaja et al. (2023)
Polymesoda (s.s.) mexicana — Olsson (1961), Keen (1971)

Cyrena aequilateralis Deshayes, 1853

Deshayes, 1853. Cat. Bivalves Brit. Mus. part 1: 255 [as ‘æquilateralis’].
(new name for Cyrena aequilatera Deshayes, 1854)

Cyrena aequilatera Deshayes, 1854

Deshayes, 1854. Proc. Zool. Soc. London 22: 20, sp. 31 [as ‘æquilatera’].
(renamed Cyrena aequilateralis Deshayes, 1853)

Polymesoda aequilatera — H.B. Baker (1930), Pereira et al. (2014)

Cyrena (Anomala) nitidula Deshayes, 1854

Deshayes, 1854. Proc. Zool. Soc. London 22: 21, sp. 34.

Polymesoda (s.s.) mexicana — Keen (1971)
Cyanocyclas nitidula — Simone (2006)

Cyrena varians Carpenter, 1857

Carpenter, 1857. Maz. Shells: 115. [nomen nudum]

Cyrena inaequilateralis Deshayes of Authors

Deshayes of Authors.

Cyrena fragilis Sowerby, 1878

Deshayes, Mus. Cuming Sowerby, 1878. Conch. Icon. 20: ??.

Polymesoda (s.s.) mexicana — Keen (1971)