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nominal species Elliptio (Nephronaias) sajensis Frierson, 1927

Elliptio (Nephronaias) sajensis Frierson, 1927 = Nephronaias dysonii

Frierson, 1927. Check List N. Amer. Naiades: 37, sp. 139.
Frierson, 1928. Nautilus 41(4): 139, pl. 2, fig. 2.
Type(s): LECTOTYPE [AS HOLOTYPE] UMMZ_108010, Rio Saja, 5 mi W Esmeralda, Guatemala.

= Nephronaias dysonii

Taxonomic Opinions

+ Nephronaias dysonii (Lea, 1859) — Cummings et al., 2025

= Nephronaias sajensis (Frierson, 1927) — Graf & Cummings, 2021

= Nephronaias sajensis Frierson, 1927 — Bogan, 2010

= Nephronaias sajensis (Frierson, 1927) — Graf & Cummings, 2007

= Nephronaias (s.s.) sajensis (Frierson, 1927) — Haas, 1969

= Elliptio (Nephronaias) sajensis (Frierson, 1927) — Frierson, 1927