The Polyphagidae is a family of the Blattodea order (cockroaches). They are the Sand Cockroaches. Families Blaberidae Blattellidae Blattidae Cryptocercidae Polyphagidae Ref: ITIS 102427 2002-12-11 A cockroach is an insect of the order Blattodea (or Blattaria). ... Families Blaberidae Blattellidae Blattidae Cryptocercidae Polyphagidae Species American cockroach (Periplaneta americana) Florida woods cockroach (Eurycotis floridana) Oriental cockroach (Blatta orientalis) German cockroach (Blatella germanica) Asian cockroach (Blattella asahinai) Surinam cockroach Binomial name ITIS 102427, 2002-12-11 A cockroach is an insect of the order Blattodea (or Blattaria). ...
Grandcolas, P. Phylogenetic systematics of the subfamily Polyphaginae, with the assignment of Cryptocercus Scudder, 1862 to this taxon (Blatteria, Blaberoidea, Polyphagidae).
Roth, L. Revision of the cockroach genus Ctenoneura Hanitsch (Blattaria, Polyphagidae).
Roth, L. Revision of the cockroach genus Homopteroidea Shelford (Blattaria, Polyphagidae).
Grandcolas (1994), based on morphological analysis, synonymized the family Cryptocercidae with Polyphagidae and placed the genus Cryptocercus in the subfamily Polyphaginae.
(1996), and the homologous sequence from representatives of Polyphagidae were used in the analysis.
Polyphagidae is indicated as a sister group to the Blattidae+Cryptocercus complex, suggesting that Polyphagidae may belong to the superfamily Blattoidea rather than to Blaberoidea as proposed by McKittrick (1964).