Calyptommatus is a genus of Brazilian lizards in the family Gymnophthalmidae. The genus shows extreme reduction of hind limbs and absence of fore limbs. Also prefrontals, frontals, supraoculars, and frontoparietals are absent.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0