The curly-tailed lizards are a family, Leiocephalidae, of lizards which are widely distributed throughout much of the Caribbean, but are relatively unstudied. They were previously regarded as members of subfamily Leiocephalinae within the family Tropiduridae. There are presently 29 known species. Leiocephalus is the only genus in the family Leiocephalidae.

The curly-tailed lizards are a family, Leiocephalidae, of lizards which are widely distributed throughout much of the Caribbean, but are relatively unstudied. They were previously regarded as members of subfamily Leiocephalinae within the family Tropiduridae. There are presently 29 known species. Leiocephalus is the only genus in the family Leiocephalidae.