Parent taxon: Neoptera according to F. M. Carpenter 1992
Sister taxa: Ampelipteridae, Apheloneuridae, Archaemiopteridae, Archipanorpidae, Asiuropidae, Baryshnyalidae, Blattoneoptera, Boltonocostidae, Choristosialidae, Clareocercaria, Controversala, Dictyodipteridae, Dictyophara scudderi, Endoneoptera, Eopanorpella, Gelasopteridae, Glosselytrodea, Hemineoptera, Holometabola, Mesophthiridae, Metropatoridae, Metropatorites, Micropalentomidae, Mixotermitoidea, Naucoris crassus, Oiophassus, Orthoneoptera, Palaeoheteroptera, Palaeonepidoideus, Paraneoptera, Perielytridae, Permembiidae, Permosialidae, Polyneoptera, Prosigara, Psocodea, Saurodectidae, Sibosmylina, Sinembiidae, Sphalmatoblattina, Sycopteridae, Sycopteron, Synomaloptilidae, Tillyardites, Trachopterygidae, Triadochorista, Trichorthophlebia, Uninervidae
Subtaxa: Blattaria Protelytroptera
Ecology: