Halys Fabricius, 1803: 180. Type species by subsequent designation (Kirkaldy, 1900c: 263): Halys dentatus Fabricius, 1803 (= Halys serrigera Westwood, 1837).
Halis Rafinesque, 1815: 119. Incorrect subsequent spelling.
Halysius Rafinesque, 1815: 119. Unjustified emendation.