Corydiidae

Corydiidae, previously known as Polyphagidae, is a family of the order Blattodea (cockroaches). Many are known as sand cockroaches. The family is divided into five subfamilies, comprising some 40 genera. One prominent species is the desert cockroach, Arenivaga investigata.

Compsodes is a genus of hooded cockroaches in the family Corydiidae. There are at least four described species in Compsodes.

Ctenoneura is a genus of small cockroaches in the family Corydiidae found in Southeast Asia.

Homopteroidea is a genus of cockroaches in the family Polyphagidae found in Malesia.

Melyroidea is a genus of cockroaches in the family Corydiidae found in tropical South America.

Ipisoma coleoptratum is a species of cockroach in the family Corydiidae. It is the only species in the monotypic genus Ipisoma, and has been recorded from Africa.

Ipolatta paradoxa is a species of cockroach in the subfamily Latindiinae of the family Corydiidae. It is the only species in the monotypic genus Ipolatta, and has been recorded from Myanmar and India (Assam).

Tivia is a genus of cockroaches in the family Corydiidae. There are about 15 described species in Tivia, found in Sub-Saharan Africa and Western Australia. thumb|Tivia, Namibia

Oulopteryx is a genus of medium-small cockroaches in the family Corydiidae found in tropical South America.