curlytail, Cochran's curlytail lizard Fossil species †Leiocephalus cuneus – Leeward Islands curlytail (extinct, Late Quaternary of Antigua and Barbuda and potentially Anguilla, La Désirade, and Marie-Galante, but might have survived to recent times) †Leiocephalus etheridgei – Morovis curlytail (extinct, Late Pleistocene of Puerto Rico) †Leiocephalus jamaicensis – Jamaican curlytail (extinct, Late Pleistocene of Jamaica) †Leiocephalus partitus – Guánica curlytail (extinct, Pleistocene or Holocene of Puerto Rico) Nota bene: A binomial authority or trinomial authority in parentheses indicates that the species or subspecies was originally described in a genus other than Leiocephalus. References Further reading Gray JE (1827). "A Description of a new Genus and some new species of Saurian Reptiles; with a Revision of the Species of Chameleons". Philosoph. Mag. Ann. Chem. Math. Astron. Nat. Hist. Gen. Sci. 2 (9): 207–214. (Leiocephalus, new genus, p. 207). Schwartz A, Thomas R (1975). A Check-list of West Indian Amphibians and Reptiles. Carnegie Museum of Natural History Special Publication No. 1. Pittsburgh, Pennsylvania: Carnegie Museum of Natural History. 216 pp. (Leiocephalus species, L. barahonensis – L. viniculum, pp. 126–140). Lizard genera Taxa named by John Edward Gray