1. Anan’eva, N.B., Phylogeny and biogeography of agamid lizards (Agamidae, Lacertilia, Reptilia): A review of concepts and results of molecular and morphological studies, Usp. Sovrem. Biol., 2004, vol. 124, no. 1, pp. 44–56.
2. Anan’eva, N.B. and Orlov, N.L., Structure and development of egg teeth in squamate reptiles and some aspects of their phylogeny, in Sistematika i ekologiya amfibii i reptilii (Systematics and Ecology of Amphibians and Reptiles), Tr. Zool. Inst. Akad. Nauk SSSR, Leningrad, 1986, vol. 157, pp. 34–43.
3. Bandali, H., Buchtova, M., Richman, J.M., and Tucker, A.S., Egg tooth development in the snake, Eur. Cells Materials, 2007, vol. 14, Suppl. 2, pp. 134–135.
4. Bogert, C.M., Little snakes with hands: Amphisbaenids are a taxonomic enigma, Nat. Hist. (New York), 1964, vol. 73, no. 7, pp. 16–25.
5. Camp, C.L., Classification of the lizards, Bul. Am. Mus. Nat. Hist., 1923, vol. 48, pp. 289–481.