N. Vidal og S.B. Hedges (2009). «The molecular evolutionary tree of lizards, snakes, and amphisbaenians». C. R. Biologies. 332 (2–3): 129–139. ISSN1631-0691. doi:10.1016/j.crvi.2008.07.010.
N. Vidal og S.B. Hedges (2009). «The molecular evolutionary tree of lizards, snakes, and amphisbaenians». C. R. Biologies. 332 (2–3): 129–139. ISSN1631-0691. doi:10.1016/j.crvi.2008.07.010.