After Alifanov, 2000, Zonneveld, Gunnell & Bartels, 2000, and Evans, Prasad & Manhas, 2002, with Recent species from Uetz, Etzold & Chenna, 1995-2015 [“The Reptile Database”]

<==o Acrodonta Cope, 1864 [Chamaeoleonidae sensu Frost & Etheridge, 1989]
   |?- †Bharatagama rebbanensis Evans, Prasad & Manhas, 2002, Jur. Ind.
   |?- †Gueragama sulamericana Simoes, Wilner, Caldwell, Weinschutz & Kellner, 2015; U.Cret. WSAm.
   |?- †Hemishinisaurus latifrons Li, 1991 sensu Conrad, 2006; Eoc. EAs.
   |?- †Xianglong zhaoi Li, Gao, Hou & Xu, 2007; L.Jur. NEAs.
   |--+-- Hoplocercidae Frost & Etheridge, 1989 (morunasaurs)
   |  `--o †Priscagamidae Borsuk-Bialynicka & Moody, 1984
   |     |--o †Priscagaminae Borsuk-Bialynicka & Moody, 1984
   |     |  |-- †Chamaeleognathus iordanskyi Alifanov, 1996, U. Cret. CAs.
   |     |  |-- †Cretagama bialynickae Alifanov, 1996, U. Cret. CAs.
   |     |  `-- †Priscagama gobiensis Borsuk-Bialynicka & Moody, 1984, U. Cret. CAs.
   |     `--o †Flaviagaminae Alifanov, 1996
   |        |-- †Flaviagama dzerzhinskii Alifanov, 1989, U. Cret. CAs.
   |        |-- †Morunasius modestus Alifanov, 1996, U. Cret. CAs.
   |        `-- †Phrynosomistus asper Alifanov, 1996, U. Cret. CAs.
   `--+--o †Isodontosauridae Alifanov, 1993 [Adamidae: Isodontosaurinae Alifanov, 1993]
      |  |-- †Isodontosaurus gracilis Gilmore, 1943, U. Cret. CAs.
      |  |-- †Qianshanosaurus huangpuensis Hou, 1974, U. Paleoc. L. Eoc., CAs.
      |  `-- †Creberidentat henanensis Li, 1991, M. Eoc. CAs.
      `--+?- †Barbaturex morrisoni Head, Gunnell, Holroyd, Hutchison & Ciochon, 2013; M.Eoc. SEAs.
         |== Agamidae Gray, 1827 (agamas; agamat) [paraphyletic: Non-chamaeleonine chamaeleonids]
         `-- Chamaeleonidae Rafinesque, 1815 [Chamaeleontidae lapsus calami?]](chamaeoleonids; kameleontit)

After Simoes, Wilner, Caldwell, Weinschutz & Kellner, 2015

<==o Acrodonta
   |--o †Priscagamidae
   |  |-- †Priscagama gobiensis
   |  `--+-- †Mimeosaurus crassus
   |     `-- †Phrynosomistus asper
   `--+-- †Gueragama sulamericana
      `--+-- Agamidae: Leiolepinae
         `--+-- Chamaeleonidae
            `--o Agamidae
               |-- Physignathus cocincinus
               `--+-- Calotes
                  `--+-- Agama
                     `-- Pogona

Reference(s):

  • Simoes, T. R., Wilner, E., Caldwell, M. W., Weinschutz, L. C. & Kellner, A. W. A., 2015: A stem acrodontan lizard in the Cretaceous of Brazil revises early lizard evolution in Gondwana.
    –Nat Commun: Vol. 6, #8149, pp. 1-8 [doi: 10.1038/ncomms9149]

Reference(s):