Tridactylidea

The infraorder Tridactylidea^[1] has a single extant superfamily which includes pygmy mole crickets; they are thought to represent living representatives of the most basal Caelifera: the Orthopteran suborder that includes grasshoppers.^[2]

Tridactylidea
Tridactylus sp.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Orthoptera
Suborder:	Caelifera
Infraorder:	Tridactylidea Brullé, 1835

Superfamilies and families

The infraorder consists of two superfamilies, one living and one extinct; the Orthoptera Species File lists the following:^[3]

• †Dzhajloutshelloidea Gorochov, 1994
  • †Dzhajloutshellidae Gorochov, 1994
  • †Regiatidae Gorochov, 1995
• Tridactyloidea Brullé, 1835
  • Cylindrachetidae Giglio-Tos, 1914
  • Ripipterygidae Ander, 1939
  • Tridactylidae Brullé, 1835