Apocrita Gerstaecker, 1867 Superfamily Cynipoidea Latreille, 1802 Family Liopteridae Ashmead, 1895 Subfamily †Proliopterinae Z. Liu & M.S. Engel, in Z. Liu et al., 2007 Genus †Proliopteron Z. Liu & M.S. Engel, in Z. Liu et al., 2007 †Proliopteron redactus Z. Liu & M.S. Engel, in Z. Liu et al., 2007