John Edward Gray (1831). "A synopsis of the species of Class Reptilia Volume IX: The Class Reptilia". In Edward Griffith; Edward Pidgeon (eds.). The animal kingdom arranged in conformity with its organisation by the Baron Cuivier with additional descriptions of all the species hither named, and of many before noticed. Whittaker, Treacher, and Co., London. p. 72. ISBN9780127826226. {{cite book}}: ISBN / Date incompatibility (help)
Linville, Brent J.; Stewart, James R.; Ecay, Tom W.; Herbert, Jacquie F.; Parker, Scott L.; Thompson, Michael B. (2010). "Placental calcium provision in a lizard with prolonged oviductal egg retention". Journal of Comparative Physiology B. 180 (2): 221–227. doi:10.1007/s00360-009-0400-2. PMID19727762.
Reeder, Tod W. (2003). "A phylogeny of the Australian Sphenomorphus group (Scincidae: Squamata) and the phylogenetic placement of the crocodile skinks (Tribolonotus): Bayesian approaches to assessing congruence and obtaining confidence in maximum likelihood inferred relationships". Molecular Phylogenetics and Evolution. 27 (2003): 384–397. doi:10.1016/S1055-7903(02)00448-7. PMID12742744.
de Fraipont, M.; Clobert, J.; Barbault, R. (1996). "The evolution of oviparity with egg guarding and viviparity in lizards and snakes: A phylogenetic analysis". Evolution. 50 (1): 391–400. doi:10.1111/j.1558-5646.1996.tb04501.x. JSTOR2410809. PMID28568867.
de Fraipont, M.; Clobert, J.; Barbault, R. (1996). "The evolution of oviparity with egg guarding and viviparity in lizards and snakes: A phylogenetic analysis". Evolution. 50 (1): 391–400. doi:10.1111/j.1558-5646.1996.tb04501.x. JSTOR2410809. PMID28568867.
Linville, Brent J.; Stewart, James R.; Ecay, Tom W.; Herbert, Jacquie F.; Parker, Scott L.; Thompson, Michael B. (2010). "Placental calcium provision in a lizard with prolonged oviductal egg retention". Journal of Comparative Physiology B. 180 (2): 221–227. doi:10.1007/s00360-009-0400-2. PMID19727762.
Reeder, Tod W. (2003). "A phylogeny of the Australian Sphenomorphus group (Scincidae: Squamata) and the phylogenetic placement of the crocodile skinks (Tribolonotus): Bayesian approaches to assessing congruence and obtaining confidence in maximum likelihood inferred relationships". Molecular Phylogenetics and Evolution. 27 (2003): 384–397. doi:10.1016/S1055-7903(02)00448-7. PMID12742744.
de Fraipont, M.; Clobert, J.; Barbault, R. (1996). "The evolution of oviparity with egg guarding and viviparity in lizards and snakes: A phylogenetic analysis". Evolution. 50 (1): 391–400. doi:10.1111/j.1558-5646.1996.tb04501.x. JSTOR2410809. PMID28568867.