After Conrad & Norell, 2007, with Recent species from Uetz, Etzold & Chenna, 1995-2000 [“The TIGR Reptile Database ” (former EMBL Reptile Database)]

<==o Iguania Gray, 1827 sensu Cope, 1864 (iguaanimaiset liskot)
   |-- Acrodonta Cope, 1864 sensu Alifanov, 2000, Zonneveld, Gunnell & Bartels, 2000, and Evans, Prasad & Manhas, 2002 (agamat ja kameleontit; agamas & chamaeleonids)
   `--o Pleurodonta Cope, 1864 sensu Conrad & Norell, 2007
      |-- Phrynosomatidae (konnaliskot)
      `--+-- Hoplocercidae Frost & Etheridge, 1989 (morunasaurs) [treated as Acrodonts by Alifanov, 2000, Zonneveld, Gunnell & Bartels, 2000, and Evans, Prasad & Manhas, 2002]
         `--+--o †Gobiguania Conrad & Norell, 2007
            |  |-- †Saichengurvel davidsoni Conrad & norell, 2007; U. Cret. EAs.
            |  `--+-- †Ctenomastax parva Gao & Norell, 2000; U. Cret. EAs.
            |     `--+-- †Temujinia ellisoni Gao & Norell, 2000; U. Cret. EAs.
            |        `--+-- †Anchaurosaurus gilmorei Gao & Hou, 1995; U. Cret. CAs.
            |           `-- †Zapsosaurus sceliphros Gao & Norell, 2000; U. Cret. EAs.
            `--+--+--+--o Oplurus R. Mad. [paraphyletic Opluridae]
               |  |  |  |-- O. cuvieri
               |  |  |  |-- O. cyclurus
               |  |  |  |-- O. fierinensis
               |  |  |  |-- O. grandidieri
               |  |  |  |-- O. quadrimaculatus
               |  |  |  `-- O. saxicola
               |  |  `--o Tropiduridae
               |  |     |-- Leiocephalinae
               |  |     `--+-- Liolaeminae [Liolaemidae Frost, Etheridge, Janies & Titus, 2001]
               |  |        `-- Tropidurinae
               |  `--+-- Chalarodon madagascariensis [paraphyletic Opluridae]
               |     `--+-- †Polrussia mongoliensis Borsuk-Bialynicka & Alifanov, 1991; U. Cret. EAs
               |        `-- †Igua minuta Borsuk-Bialynicka & Alifanov, 1991; U. Cret. EAs.
               `--+-- Iguanidae Gray, 1827 sensu stricto (leguaanit)
                  `--+--o Crotaphytidae [Iguanidae: Crotaphytinae] (Collared and Leopard Lizards)
                     |  |?-o Gambelia
                     |  |  |-- G. copeii
                     |  |  |-- G. sila
                     |  |  `-- G. wislizenii
                     |  `--o Crotaphytus [Gambelia] ?L. Olig. Pleist. R. NA. 
                     |     |-- C. antiquus
                     |     |-- C. collaris
                     |     |-- C. grismeri
                     |     |-- C. insularis
                     |     |-- C. nebrius
                     |     |-- C. reticulatus
                     |     `-- C. vestigium
                     `--+-- Corytophanidae [Iguanidae: Corytophaninae] (Casquehead Lizards)
                        `-- Polychrotidae (Fitzinger, 1843) [Iguanidae: Anolinae, Polychrinae] (anoles, para-anoles, and relatives; anolisliskot)

Iguania incertae sedis :

(iguanians not yet added to the phylogenetic framework)

Arretosaurus Gilmore, 1943, U. Eoc. EAs. [Arretosauridae]Cypressaurus L.Olig. NA. 
    †Euposaurus cerinensis U.Jur. Eu. [Euposauridae]Cadurciguana Auge, 1987; U.Eoc. WEu.
    †Harrisonsaurus fossilis Holman, 1981
    †Paradipsosaurus Eoc. or Olig. NA. 
    †Parasauromalus olseni Gilmore, 1928, L.-M. Eoc. NA. 
    †Pristiguana U. Cret. SA. 
    †Swainiguanoides M. Paleoc. NA.
    †Xihaina aquilonia Gao & Hou, 1995; U. Cret. CAs.


Reference(s):