Order Scorpiones Koch, 1837 - scorpions
Family Chactidae Pocock, 1893
01 Genus Auyantepuia González-Sponga, 1978
02 Genus Brotheas Koch, 1837
03 Genus Broteochactas Pocock, 1893
04 Genus Cayooca González-Sponga, 1996
see Genus Broteochactas Pocock, 1893
05 Genus Chactas Gervais, 1844
06 Genus Chactopsis Kraepelin, 1912
07 Genus Guyanochactas Lourenço, 1998
08 Genus Hadrurochactas Pocock, 1893
09 Genus Nullibrotheas Williams, 1974
10 Genus Teuthraustes Simon, 1878
11 Genus Vachoniochactas González-Sponga, 1978