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Lampsilis fimbriata Frierson, 1907

Frierson, 1907. Nautilus 21(8): 86, pl. 12, two upper figs. & lower left one.
Frierson, 1927. Check List N. Amer. Naiades: 83, sp. 363.
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_91161, Valles River, Mexico.

Lampsilis fimbriata — Pilsbry (1910)
Paraptera fimbriata — Ortmann (1912)
Lampsilis (Proptera) fimbriata — Simpson (1914)
Lampsilis (Disconaias) fimbriata — Frierson (1927), Haas (1929), Haas (1969)
Potamilus salinasensis — Howells et al. (1996)
Disconaias disca — R.I. Johnson (1998)
Potamilis [sic] salinasensis — Contreras-Arquieta (2000)
Disconaias fimbriata — Graf & Cummings (2007), Bogan (2010), Cummings & Graf (2010), Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Czaja et al. (2023), FMCS (2025), Cummings et al. (2025)

Lampsilis (Proptera) salinasensis Dall, 1908

‘Simpson’ Dall, 1908. Proc. U.S. Nat. Mus. 35: 181, pl. 30, fig. 3.
Type(s): LECTOTYPE USNM_163156 (by R.I. Johnson, 1998: 435), Salinas R., Coahuila, Mexico.

Lampsilis fimbriata — Pilsbry (1910)
Lampsilis (Proptera) fimbriata — Simpson (1914)
Lampsilis (Disconaias) fimbriata — Frierson (1927), Haas (1969)
Disconaias salinasensis — Turgeon et al. (1988), Williams et al. (1993), IUCN (1996), Turgeon et al. (1998), Bogan (2010), ITIS (2012)
Potamilus salinasensis — Howells et al. (1996), Haag (2012)
Disconaias disca — R.I. Johnson (1998)
Potamilis [sic] salinasensis — Contreras-Arquieta (2000)
Disconaias fimbriata — Williams et al. (2017), Cummings et al. (2025)

Lampsilis moctezumensis Pilsbry, 1910

Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 534, pl. 25, figs. 1-4.
Type(s): LECTOTYPE ANSP_99517 (by Johnson & Baker, 1973: 162), Moctezuma R., Mex.

Lampsilis moctezumensis — Pilsbry (1910), Simpson (1914)
Lampsilis (Actinonaias) moctezumensis — Frierson (1927)
Actinonaias moctezumensis — Haas (1969), Graf & Cummings (2007), Bogan (2010), Bogan (2013), Graf & Cummings (2021), Czaja et al. (2023)
Disconaias fimbriata — Cummings et al. (2025)

Lampsilis (Disconaias) pilsbryana Frierson, 1927

‘Say’ Frierson, 1912. Nautilus 26(2): pl. 3, fig. 4 [as ‘Lampsilis purpuriatus’].
Frierson, 1927. Check List N. Amer. Naiades: 83, sp. 368.
Type(s): LECTOTYPE [AS HOLOTYPE] UMMZ_91175 (by R.I. Johnson, 1972: 147), Valles River, Mecos, Mexico.

Lampsilis (Disconaias) pilsbryana — Frierson (1927)
Lampsilis (Disconaias) purpuriata — Haas (1929), Haas (1969)
Disconaias fimbriata — Cummings et al. (2025)

Lampsilis purpuriatus Frierson, 1912

‘Say’ Frierson, 1912. Nautilus 26(2): pl. 3, fig. 4.
(misidentified reference to Unio purpuriatus Say, 1831)

Unio purpuriatus — Simpson (1914)
Lampsilis (Disconaias) pilsbryana — Frierson (1927)
Lampsilis (Disconaias) purpuriata — Haas (1929)