Extant: 21 valid subfamilies (21 unavailable), 66 valid tribes (62 synonyms), 308 valid genera (407 synonyms, 17 homonyms, 2 excluded, 7 nomina nuda), 12,779 valid species (2,220 synonyms, 214 homonyms, 10 unavailable, 3 excluded, 100 nomina nuda), 2,184 valid subspecies (2,161 synonyms, 95 homonyms, 711 unavailable, 71 nomina nuda)

Fossil: 4 valid subfamilies, 8 valid tribes (4 synonyms), 137 valid genera (16 synonyms, 5 homonyms, 5 excluded, 1 nomen nudum, 1 ichnotaxon, 4 collective group names), 684 valid species (23 synonyms, 5 homonyms, 4 excluded, 2 nomina nuda, 1 ichnotaxon, 3 collective group names), 5 valid subspecies