|Polyphaga pellucida in the Saint Petersburg Zoological Museum|
The Corydiidae, previously known as Polyphagidae, are 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.
- Beccaloni, G. W.; Eggleton, P. (2011). Zhang, Z.-Q., ed. "Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness". Zootaxa (3148): 199–200.
- "synonym Polyphagidae Saussure, 1864: Cockroach Species File".
- 蟑螂圖鑑 (in Chinese). 2014-09-19. Retrieved 2014-10-13.
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