<==o LACERTOIDEA (sisiliskonsukuiset liskot)
   |?- †Pachygenys thlastesa
   |-- Xantusiidae (yöliskot)
   `--o LACERTIFORMES (sisiliskomaiset liskot)
      |-- Lacertidae (sisiliskot)
      `--+--o †Meyasaurus Vidal, 1915 [Ilerdaesaurus]
         |  |-- †M. faurai Vidal, 1915 (emend. von Huene, 1952)
         |  |-- †M. diazromeri Evans & Barbadillo, 1997
         |  |-- †M. crusafonti (Hoffstetter, 1966)
         |  `-- †M. unensis (Richter, 1994)
         `-- TEIIOIDEA (teijunsukuiset liskot)


Reference(s):

Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698

Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L. 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698.

Evans, S. E. & Barbadillo, J.,1997: Early Cretaceous lizards from Las Hoyas, Spain. –Zoological Journal of the Linnean Society: Vol. 119, #1, pp. 23-49 Gao, K. & Cheng, Z., 1999: A new lizard from the Lower Cretaceous of Shandong, China. –Journal of Vertebrate Paleontology: Vol. 19, #3, pp. 456 - 465 Rieppel, O. 1994: The Lepidosauromorpha: an overview with special emphasis on the Squamata. 23-37. In Fraser, N. C. & Sues, H-D. 1994: In the Shadow of the Dinosaurs. --Cambridge University Press, New York. 1994