2 subfamilies (Cryptopinae being by far the largest), with 8-9 spp. in 2 genera in our area(1)
and ~190 spp. in 6 genera worldwide(2)(3)
Note (per Rowland Shelley): the subfamily Plutoniuminae containing the genera Plutonium and Theatops, previously in family Cryptopidae, has been elevated to family level - Plutoniumidae. There are no longer any subfamilies in Cryptopidae.