species Nephronaias hjalmarsoni (Dunker, 1858): synonymy

Unio hjalmarsoni Dunker, 1858

Dunker, 1858. Malak. Blatt. 5: 227.
Type(s): HOLOTYPE (MONOTYPY) ZMB_108719, Rio Chamelicon, on the confines of Guatemala, Honduras.

Unio (Simonaias) hjalmarsoni — Martens (1900)
Nephronaias (Group of N. macnielii) hjalmarsoni — Simpson (1914)
Elliptio (Nephronaias) hjalmarsoni — Frierson (1927)
Elliptio (Nephronaias) goascoranensis — Haas (1929)
Nephronaias (s.s.) hjalmarsoni — Haas (1969)
Nephronaias hjalmarsoni — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Cummings et al. (2025), Martínez et al. (2026)

Unio hjalmarssoni Haas, 1929

(error for Unio hjalmarsoni Dunker, 1858)
‘Dunker’ Haas, 1929. Senckenbergiana 11: 321.