Superfamily Stephanoidea Leach 1815 (wasp)
Synonym: Ephialtitoidea Handlirsch 1906
Parent taxon: Apocrita according to L. F. Li et al. 2013
See also Heraty et al. 2011, Rasnitsyn 1975, Rasnitsyn and Zhang 2010, Sharkey et al. 2012, Zhang et al. 2002 and Zhang et al. 2014
Sister taxa: Aculeata, Apiaria lapidea, Apocritites, Armaniidae, Asiacynipites, Brachycleistogastromorpha, Ceraphronoidea, Dendrocerus dubitatus, Eucynipites, Evanioidea, Evaniomorpha, Ichneumonoidea, Khutelchalcididae, Kuafuidae, Limnetidae, Longhuaia, Megalyroidea, Panguoidea, Proctotrupomorpha, Stephanomorpha, Trigonalyoidea
Subtaxa: Aptenoperissidae Eostephanitidae Ephialtitidae Myanmarinidae Ohlhoffiidae Stephanidae
Ecology: