After Liu, Engel & Grimaldi, 2007

<==o Cynipidae Latreille, 1802 (äkämäpistiäiset)
   |?- †“Cynipssuccinea Presl, 1822; Eoc. NEu.
   |?- †Tanaoknemus ecarinatus Liu & Engel, in Liu, Engel & Grimaldi, 2007
   |--o †Hodiernocynips Kovalev, 1994; Eoc.-Mioc. NAm. As. Eu. [Hodiernocynipinae Kovalev, 1994]
   |  |-- †H. primigenius Kovalev, 1994
   |  |-- †H. planus (Statz, 1938)
   |  |-- †H. rotundatus (Statz, 1938)
   |  |-- †H. spiniger (Statz, 1938)
   |  |-- †H. progenitrix (Kinsey, 1919)
   |  `-- †H. ampliforma (Kinsey, 1919)
   `--o Cynipinae Latreille, 1802
      |?-o Andricus Hartig, 1840; Olig.-R.
      |  |-- †A. vectensis Cockerell, 1921
      |  `== other Andricus -species
      |--o Aylacini Ashmead, 1903
      |  |-- †Kinseycynips succinea (Kinsey, 1919) Liu & Engel, in Liu, Engel & Grimaldi, 2007 [Aulacidea succinea Kinsey, 1919]
      |  `== other Aylacines
      |--o Diplolepidini Latreille, 1802
      |  |--o Diplolepis Geoffroy, 1762; Olig.-R.
      |  |  |-- †D. vetus (Cockerell, 1921)
      |  |  `== other Diplolepis -species
      |  `== other Diplolepidines
      |-- Eschstocerini Ashmead, 1903
      |-- Pediaspidini Ashmead, 1903
      |-- Cynipini Latreille, 1802
      `-- Synergini Ashmead, 1896

Reference(s:)