Family Tridactylidae Brulle 1835 (pygmy mole cricket)
Parent taxon: Orthoptera according to D. Azar and A. Nel 2008
Sister taxa: Aboilodea, Anelcanidae, Blattacea, Caelifera, Capnobotes, Clathrotitanidae, Crinoedischia, Ensifera, Eospilopteronidae, Eremobiinae, Locustidae, Locustoidea, Loxoedischia, Neoblattariae, Parelcanidae, Phasgonuridae, Pinegia, Prophilaenites, Proscopiodea, Sinopalaeocossus, Thnetodes, Tillyardiella, Titanoptera, Yinpingia
Subtaxa: Cratodactylus, Dentridactylinae, Mongoloxyinae, Tridactylinae, Tridactylus, Xya
Ecology: