Genus: Omocerus Chevrolat, 1835
Omocerus Chevrolat, 1835: 119 (type species: Cassida bicornis Linnaeus, 1763, designated by Duponchel and D'Orbigny, 1843: 211; Blackwelder, 1946: 735; Hincks, 1952: 332; Takizawa, 1980: 46; Seeno and Wilcox, 1982 : 172; Pape, 1992: 157; Borowiec, 1999 d: 51.
Omocera: Chevrolat, 1835: unnumbered addition (emend. of Omocerus), 1836: 367, 1837: 391; Chevrolat in D'Orbigny, 1842: 285; Chapuis, 1875: 373 (as subgenus of Tauroma); Viana, 1964 a: 27, 84.
Tauroma Hope, 1840: 97 (type species: Cassida taurus Fabricius, 1787, by original designation); Boheman, 1850: 113; 1856: 19; 1862: 52; Chapuis, 1875: 372; Gemminger and Harold, 1876: 3624; Wagener, 1881: 31; Champion, 1893: 131; Spaeth, 1913 b: 126; 1914 g: 20; 1931: 306; 1942: 15.
Paratauroma Spaeth, 19 13 b: 127 (type species: Tauroma casta Boheman, 1862, by original designation), 1914 g: 22 (as subgenus); Hincks, 1952: 332; Viana, 1964 a: 91; Seeno and Wilcox, 1982: 172, subgenus.
Platytauroma Spaeth, 1913 b: 127 (type species: Tauroma coracina Boheman, 1850, designated by Hincks, 1952: 332), 1914 g: 22 (as subgenus); Hincks, 1952: 332; Soares, 1962: 219 (key); Viana, 1964 a: 29, 94; Seeno and Wilcox, 1982: 172, subgenus.
Nebroma Spaeth, 1913 b: 126 (type species: Cassida malachitica Germar, 1824, designated by Hincks, 1952: 332), 1914 g: 22 (as genus); Hincks, 1952: 332; Viana, 1964 a: 33, 96; Seeno and Wilcox, 1982: 172, subgenus.
Species (39, species with colour photos marked with an asterisk):
Subgenus: Omocerus s. str. (19):
- aeruginosus*
- arietinus*
- aureicornis*
- azureicornis*
- bicornis*
- caucanus
- championi
- clavareaui*
- ignava*
- insculptus*
- kaboureki*
- masoni*
- purpureus*
- reichei*
- relucens
- similis*
- taurus*
- tenebrosus*
Subgenus: Nebroma (5):
Subgenus: Paratauroma (11):
- angulicollis*
- burakowskii*
- caeruleopunctatus
- casta*
- creberrimus*
- doeberli*
- janthinus*
- reticulatus*
- rugosicollis*
- smaragdinus*
- viridicoeruleus
Subgenus: Platytauroma (5):