Timasius Distant, 1909a: 498. Type species by subsequent designation (Distant, 1911a: 135): Timasius splendens Distant, 1909, Ceylon.
Timasiellus Lundblad, 1933a: 283 (downgraded to subgenus by Miyamoto, 1965c: 284; syn. Andersen, 1981a: 390). Type species by monotypy: Timasiellus chinai Lundblad, 1933, Java.