The infraorder Tridactylidea has a single extant superfamily which includes pygmy mole crickets; they are thought to represent living representatives of the most basal Caelifera: the

Orthoptera Orthoptera () is an order of insects that comprises the grasshoppers, locusts, and crickets, including closely related insects, such as the bush crickets or katydids and wētā. The order is subdivided into two suborders: Caelifera – grass ...

n suborder that includes grasshoppers.

Superfamilies and families

The infraorder consists of two superfamilies, one living and one extinct; the ''Orthoptera Species File'' lists the following:Orthoptera Species File (Version 5.0/5.0)
/ref> * † Dzhajloutshelloidea Gorochov, 1994 ** † Dzhajloutshellidae Gorochov, 1994 ** †

Regiatidae Regiatidae is an extinct family of grasshoppers in the order Orthoptera. There are at least three genera and four described species in Regiatidae. Genera These three genera belong to the family Regiatidae: * † '' Micromacula'' Whalley, 1985 Ch ...

Gorochov, 1995 * Tridactyloidea Brullé, 1835 **

Cylindrachetidae Sandgropers are wholly subterranean apterous insects of the family Cylindrachetidae that may grow up to 7 cm (3 in) long. Three genera are currently recognised: '' Cylindracheta'', '' Cylindraustralia'' and '' Cylindroryctes''. Like man ...

Giglio-Tos, 1914 **

Ripipterygidae Ripipterygidae is a family of insects in the order Orthoptera. Members of the family are commonly known as mud crickets. Description Ripipterygids are small, often dark-colored, cricket-like orthopterans, between 3 and 14 mm in length. Th ...

Ander, 1939 ** Tridactylidae Brullé, 1835

References

External links

* {{taxonbar, from=Q21060983 Caelifera Insect infraorders Taxa named by Gaspard Auguste Brullé