Synonym: Endopterygota Sharp 1899
Parent taxon: Neoptera according to B. Misof et al. 2014
See also Beckemeyer and Hall 2007, Beutel and Pohl 2006 and Carpenter 1992
Sister taxa: Ampelipteridae, Apheloneuridae, Archaemiopteridae, Archipanorpidae, Asiuropidae, Baryshnyalidae, Blattoneoptera, Boltonocostidae, Choristosialidae, Clareocercaria, Controversala, Dictyophara scudderi, Endoneoptera, Eopanorpella, Exopterygota, Gelasopteridae, Glosselytrodea, Hemineoptera, 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: Aparaglossata Cavalarva Hymenopterida Metabolarva Srokalarvidae
Ecology: