South American Lesser Iguanas
320 species of which 269 (84.1%) are endemic -
3 genera of which 1 (33.3%) is endemic
(as of December 31st, 2018).
The genera contained in this family were previously included in
Iguanidae (e.g., Peters & Donoso-Barros 1970). Subsequently, they were assigned to
Tropiduridae (subfamily Liolaeminae) by Frost & Etheridge (1989). Separate family status was given by Frost, Etheridge, Janies & Titus (2001).