Synonyms:
Bradyidius Giesbrecht, 1897 (19. VII): 253; Markhaseva, 1996: 68-69.
Bradyanus Vanhöffen, 1897a (13. IX): 322 (type species: Bradyanus armatus Vanhöffen, 1897), by monotypy.
Undinopsis Sars, 1902: 31 (type species: Undinopsis bradyi Sars, 1902, by monotypy); Rose, 1933: 91; Brodsky, 1950: 148.