Pseudoloxops Kirkaldy, 1905a: 268. New name for Loxops Fieber, 1858.
Loxops Fieber, 1858: 314 (junior homonym of Loxops Cabanis, 1847, Aves). Type species by monotypy: Capsus coccineus Meyer-Dür, 1843.
Aretas Distant, 1909g: 450 (syn. Carvalho, 1952a: 78). Type species by monotypy: Aretas imperatorius Distant, 1909.
Zonodorellus Poppius, 1915a: 68 (syn. Carvalho, 1980b: 658). Type species by original designation: Zonodorellus lateralis Poppius, 1915.