species Nephronaias ortmanni (Frierson, 1913): synonymy

Unio (Nephronaias) ortmanni Frierson, 1913

Frierson, 1913. Nautilus 27(2): 14, pl. 2.
Frierson, 1927. Check List N. Amer. Naiades: 36 [as ‘E. (Nephronaias) sphenorhynchus Cr. & Fisch. 1893’].
Type(s): LECTOTYPE [AS HOLOTYPE] ANSP_117544 (by R.I. Johnson, 1971: 90), [Conchins] Cochins R., Guatemala.

Nephronaias ortmanni — Frierson (1917), Cummings et al. (2025)
Elliptio ortmanni — Ortmann (1921)
Elliptio (Nephronaias) sphenorhynchus — Frierson (1927), Haas (1929)