The following phylogenetic tree shows the internal relationships of the superorder as a clade of Hymenoptera and the orders that comprise Panorpida .[ 3] [ 4]
More recent molecular analyses find a different arrangement within Holometabola , with Hymenoptera as the earliest branching group.[ 5]
^ Weaver J.S.I. The Evolution And Classification Of Trichoptera, With A Revision Of The Lepidostomatidae And A North American Synopsis Of This Family. Degree: Ph.D. Degree Year: 1983 Institute: Clemson University
^ Grimaldi, David; Engel, Michael S. Evolution of the Insects . Cambridge University Press. p. 147.
^ Yeates, David K.; Wiegmann, Brian. "Endopterygota Insects with complete metamorphosis" . Tree of Life . Retrieved 24 May 2016 .
^ Whiting, Michael F. (2005). "Phylogenetic Position of Diptera: Review of the Evidence" . In Yeates, David K.; Wiegmann, Brian (eds.). The Evolutionary Biology of Flies . Columbia University Press. p. 5. ISBN 978-0-231-50170-5 .
^ Kjer, Karl M.; Simon, Chris ; Yavorskaya, Margarita & Beutel, Rolf G. (2016). "Progress, pitfalls and parallel universes: a history of insect phylogenetics" . Journal of the Royal Society Interface . 13 (121): 121. doi :10.1098/rsif.2016.0363 . PMC 5014063 . PMID 27558853 .