Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Pyganodon

Lea, 1836. Synopsis Fam. Naiades: 52. [nomen nudum]
Lea, 1841. Proc. Amer. Phil. Soc. 2: 31.
Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 241 [79], pl. 24, fig. 56.
Type(s): HOLOTYPE USNM_86701, Concha Lake, 20 leagues S Vera Cruz near Tlocatalpan, Mexico.
Anodonta globosa — Simpson (1900), Simpson (1914), Thiele (1934), Contreras-Arquieta (2000)
Anodonta (Patularia) globosa — Martens (1900)
Anodonta (Pyganodon) grandis-globosa — Frierson (1927)
Anodonta grandis globosa — Haas (1929)
Anodonta (Pyganodon) grandis globosa — Haas (1969)
Anodonta (Pyganodon) globosa — Haas (1969)
Pyganodon grandis — Graf & Cummings (2007), Graf & Cummings (2021)
Pyganodon globosa — Cummings et al. (2025)

Sowerby, 1867. Conch. Icon. 17: pl. 16, sp. 58.
Type(s): HOLOTYPE BMNH_1965189, Rio Nopalata, Mexico.
Anodonta globosa — Simpson (1900), Simpson (1914)
Anodonta (Patularia) nopalatensis — Martens (1900)
Anodonta (Pyganodon) grandis-globosa — Frierson (1927)
Anodonta (Pyganodon) grandis globosa — Haas (1969)
Pyganodon globosa — Cummings et al. (2025)

Morelet, 1884. J. de Conch. 32: 123.
Type(s): LECTOTYPE BMNH_1893-2-4-2009 (by R.I. Johnson, 1971: 85), Rio dos Idolos, un des bras du fleuve Grijalva, Tabasco [Mexico].
Glabaris (s.s.) grijalvae — Simpson (1900)
Anodonta (Patularia) grijalvae — Martens (1900)
Anodontites (s.s.) grijalvae — Simpson (1914)
Anodonta grandis grijalvae — Frierson (1922)
Anodonta (Pyganodon) grandis-grijalvae — Frierson (1927)
Anodonta grandis grijvalvae [sic] — Haas (1929)
Anodonta (Pyganodon) grandis tabascensis — Haas (1969)
Pyganodon globosa — Cummings et al. (2025)

Morelet, 1884. J. de Conch. 32: 124.
Type(s): HOLOTYPE BMNH_93-2-4-2006, Tabasco, Mexico.
Anodonta tabascoensis [sic] — Simpson (1900)
Anodonta (Patularia) tabascensis — Martens (1900)
Anodonta tabascensis — Simpson (1914)
Anodonta (Pyganodon) grandis-tabascensis — Frierson (1927)
Anodonta (Pyganodon) grandis tabascensis — Haas (1969)
Pyganodon globosa — Cummings et al. (2025)
‘Sow.’ Lea, 1870. Synopsis Fam. Naiades: 81.
(error for Anodon nopalatensis Sowerby, 1867)
‘Morl.’ Paetel, 1890. Cat. Conch.-Samml. 3: 180.
(error for Anodonta grijalvae Morelet, 1884)
Glabaris (s.s.) grijalvae — Simpson (1900)
Anodontites (s.s.) grijalvae — Simpson (1914)
‘Morelet’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 646.
(error for Anodonta tabascensis Morelet, 1884)
Anodonta tabascensis — Simpson (1914)
Anodonta (Pyganodon) grandis-tabascensis — Frierson (1927)
‘Morelet’ Haas, 1929. Senckenbergiana 11: 319.
(error for Anodonta grijalvae Morelet, 1884)
Anodonta globosa — Simpson (1900), Simpson (1914), Thiele (1934), Contreras-Arquieta (2000)
Anodonta (Patularia) globosa — Martens (1900)
Anodonta (Patularia) nopalatensis — Martens (1900)
Glabaris (s.s.) grijalvae — Simpson (1900)
Anodonta (Patularia) grijalvae — Martens (1900)
Anodonta tabascoensis [sic] — Simpson (1900)
Anodonta (Patularia) tabascensis — Martens (1900)
Anodontites (s.s.) grijalvae — Simpson (1914)
Anodonta tabascensis — Simpson (1914)
Anodonta grandis grijalvae — Frierson (1922)
Anodonta (Pyganodon) grandis-globosa — Frierson (1927)
Anodonta (Pyganodon) grandis-grijalvae — Frierson (1927)
Anodonta (Pyganodon) grandis-tabascensis — Frierson (1927)
Anodonta grandis globosa — Haas (1929)
Anodonta grandis grijvalvae [sic] — Haas (1929)
Anodonta (Pyganodon) grandis globosa — Haas (1969)
Anodonta (Pyganodon) globosa — Haas (1969)
Anodonta (Pyganodon) grandis tabascensis — Haas (1969)
Pyganodon grandis — Graf & Cummings (2007), Graf & Cummings (2021)
Pyganodon globosa — Cummings et al. (2025)