Family Tetracampidae Forster 1856 (parasitoid wasp)
Parent taxon: Chalcidoidea according to M. J. Sharkey 2007
Sister taxa: Agaonidae, Brachyceritidae, Chalcididae, Encyrtidae, Eucharitidae, Eulophidae, Eupelmidae, Eurytomidae, Expansicornidae, Khutelchalcididae, Leucospidae, Mymaridae, Perilampidae, Pteromalidae, Tanaostigmatidae, Torymidae, Trichogrammatidae
Subtaxa: Baeomorphinae, Bouceklytinae, Distylopinae, Tetracampinae
Ecology: