Anisops sardea Herrich-Schaeffer, 1849: 41. ST(S): Italy, Sardinia.
?Notonecta alba Forskål, 1775: xxiii (syn. Kirkaldy, 1904a: 114, suspected). ST(S): Egypt, Alexandria; lost.
Anisops niveus (non Fabricius, 1775): Spinola, 1837: 58. Misidentification.
Anisops productus Fieber, 1851c: 60 (syn. Baerensprung, 1860: 24). STS: Italy, Spain, Ukraine (Crimea; in error), Egypt, India, America (in error); ZMHB, NHRS.
Anisops natalensis Stål, 1855a: 89 (syn. Kirkaldy, 1904a: 115). ST(S): S Africa, "terra Natalensi" [= Natal]; unknown (not in NHRS).