Iguanas
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Order:Squamata
Sub-order:Sauria
Family:Iguanidae

Frost et al. (1989) redefined this family. The genera belonging to the different subfamilies were assigned to separate families. This view is not generally accepted.

Classification of iguanas (after Frost et al.)

Family Iguanidae

Traditional classification

Family Iguanidae

  • Subfamily Corytophaninae: casquehead lizards
  • Subfamily Crotaphytinae: collared and leopard lizards
  • Subfamily Hoplocercinae: wood lizards, clubtails
  • Subfamily Iguaninae: iguanas and spinytail iguanas
  • Subfamily Leiocephalinae
  • Subfamily Leiosaurinae
  • Subfamily Liolaeminae
  • Subfamily Oplurinae: Madagascar iguanids
  • Subfamily Phrynosomatinae: earless, spiny, tree, side-blotched and horned lizards)
    • Subfamily Polychrotinae: anoles
  • Subfamily Tropidurinae: neotropical ground lizards

References
  1. Frost, D.E. and R.E. Etheridge (1989) A Phylogenetic Analysis and Taxonomy of Iguanian Lizards (Reptilia: Squamata). Univ. Kansas Mus. Nat. Hist. Misc. Publ. 81
  2. Frost, D.R., R. Etheridge, D. Janies and T.A. Titus (2001) Total evidence, sequence alignment, evolution of Polychrotid lizards, and a reclassification of the Iguania (Squamata: Iguania). American Museum Novitates 3343: 38 pp.