species Nephronaias goascoranensis (Lea, 1858): synonymy

Unio goascoranensis Lea, 1858

Lea, 1858. Proc. Acad. Nat. Sci. 10: 118.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 258 [76], pl. 41, fig. 139.
LECTOTYPE [AS HOLOTYPE] USNM_85086 (by Johnson & Baker, 1973: 156), Goascoran R., Honduras.

Nephronaias goascoranensis — Simpson (1900), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025), Nagel (2025), Martínez et al. (2026), Barraza et al. (2026)
Unio (Sphenonaias) goascoranensis — Martens (1900)
Nephronaias calamitarum — Ihering (1901)
Nephronaias (Group of N. macnielii) goascoranensis — Simpson (1914)
Elliptio (Nephronaias) goascoranensis — Frierson (1927), Haas (1929)
Nephronaias (s.s.) goascoranensis — Haas (1969)

Unio (Elliptio) guatemalanus Martens, 1900

Martens, 1900. Biol. Centr.-Amer., Moll.: 519, pl. 38, figs. 7-8a.
LECTOTYPE ZMB_220175 (by Cummings et al., 2025: 260), Rio Michatoya, bei Paso San Antonio, Guatemala.

Unio (Elliptio) guatemalanus — Martens (1900)
Nephronaias (Group of N. macnielii) goascoranensis — Simpson (1914)
Elliptio (Nephronaias) guatemalensis [sic] — Frierson (1927)
Elliptio (Nephronaias) rowellii — Haas (1929)
Nephronaias (s.s.) goascoranensis — Haas (1969)
Nephronaias goascoranensis — Cummings et al. (2025), Nagel (2025)

Unio (Simonaias) championi Martens, 1900

Martens, 1900. Biol. Centr.-Amer., Moll.: 508, pl. 38, figs. 9-9a.
LECTOTYPE ZMB_220174 (by Cummings et al., 2025: 260), Paso San Antonio, in the Pacific Coast Region, Guatemala.

Unio (Simonaias) championi — Martens (1900)
Nephronaias (Group of N. macnielii) championi — Simpson (1914)
Elliptio (Nephronaias) championi — Frierson (1927)
Elliptio (Nephronaias) macnielii — Haas (1929)
Nephronaias (s.s.) championi — Haas (1969)
Nephronaias championi — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)
Nephronaias goascoranensis — Cummings et al. (2025)

Unio (Elliptio) radiatulus Martens, 1900

Martens, 1900. Biol. Centr.-Amer., Moll.: 518, pl. 39, figs. 8a-b.
LECTOTYPE ZMB_108851 (by Cummings et al., 2025: 260), Rio Michatoya, bei Paso San Antonio, Guatemala.

Unio (Elliptio) radiatulus — Martens (1900)
Nephronaias (Group of N. macnielii) oregonensis — Simpson (1914)
Elliptio (Nephronaias) oregonensis — Frierson (1927)
Nephronaias (s.s.) oregonensis — Haas (1969)
Nephronaias goascoranensis — Cummings et al. (2025)

Unio goascoranensis Martens, 1900

(reference to Unio goascoranensis Lea, 1858)
Martens, 1900. Biol. Centr.-Amer., Moll.: 501, pl. 38, figs. 10-10a.

Nephronaias (Group of N. macnielii) goascoranensis — Simpson (1914)
Elliptio (Nephronaias) guatemalensis [sic] — Frierson (1927)

Nephronaias lempensis Marshall, 1926

Marshall, 1926. Proc. U.S. Nat. Mus. 69(2638): 4, pl. 2, figs. 4, 6; pl. 3, fig. 4.
HOLOTYPE (ORIG. DESIG.) USNM_361764, Rio Lempe at R.R. Bridge, Salvador.

Nephronaias (s.s.) lempensis — Haas (1969)
Nephronaias lempensis — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)
Nephronaias goascoranensis — Cummings et al. (2025), Martínez et al. (2026), Barraza et al. (2026)

Unio goascoraensis B.H. Wright, 1888

(error for Unio goascoranensis Lea, 1858)
‘Lea’ B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [3].

Elliptio (Nephronaias) guatemalensis Frierson, 1927

(error for Unio (Elliptio) guatemalanus Martens, 1900)
‘von Martens’ Frierson, 1927. Check List N. Amer. Naiades: 36.