Extant: 21 valid subfamilies, 299 valid genera (410 synonyms, 9 homonyms, 1 unavailable, 2 unidentifiable, 2 excluded, 7 nomina nuda), 12,199 valid species (4,740 synonyms, 237 homonyms, 935 unavailable, 174 unidentifiable, 47 unresolved homonyms, 2,979 transferred out of this genus), 2,126 valid subspecies

Fossil: 4 valid subfamilies, 132 valid genera (15 synonyms, 5 homonyms, 5 excluded, 1 unresolved homonym, 1 nomen nudum), 620 valid species (30 synonyms, 2 homonyms, 3 unavailable, 31 unidentifiable, 9 unresolved homonyms, 103 transferred out of this genus), 3 valid subspecies