M. Kearney og B.L. Stuart (2004). «Repeated evolution of limblessness and digging heads in worm lizards revealed by DNA from old bones». Proc. R. Soc. Lond. B. 271 (1551): 1677–1683. ISSN1471-2954. doi:10.1098/rspb.2004.2771.
G.F. Maschio, A.L. da C. Prudente og T. Mott (2009). «Water dispersal of Amphisbaena alba and Amphisbaena amazonica (Squamata: Amphisbaenia: Amphisbaenidae) in Brazilian Amazonia». Zoologia (Curitiba). 26 (3): 567–570. ISSN1984-4670. doi:10.1590/S1984-46702009005000007.
D.V. Andrade, L.B. Nascimento og A.S Abe (2006). «Habits hidden underground: a review on the reproduction of the Amphisbaenia with notes on four neotropical species». Amphibia-Reptilia. 27 (2): 207–217. ISSN1568-5381. doi:10.1163/156853806777239995.
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.
J. Müller m.fl. (2011). «Eocene lizard from Germany reveals amphisbaenian origins». Nature (473): 364–367. ISSN1476-4687. doi:10.1038/nature09919.
N.R. Longrich m.fl. (2015). «Biogeography of worm lizards (Amphisbaenia) driven by end-Cretaceous mass extinction». Proc. Royal Soc. B. 282 (1806). ISSN1471-2954. doi:10.1098/rspb.2014.3034.
N. Vidal m.fl. (2008). «Origin of tropical American burrowing reptiles by transatlantic rafting». Biol. Lett. 4 (1): 115–118. ISSN1744-957X. doi:10.1098/rsbl.2007.0531.
M.B. Mateus m.fl. (2011). «A cobra-de-duas-cabeças na percepção dos moradores do povoado de Itatiaia, Minas Gerais». Biotemas. 24 (3): 111–117. ISSN2175-7925. doi:10.5007/2175-7925.2011v24n3p111.
F.G. Lemos og K.G. Facure (2007). «New record of Amphisbaena fuliginosa (Squamata, Amphisbaenidae) for the Cerrado Biome, in an area of extensive cattle ranching». Biota Neotropica. 7 (1). ISSN1676-0603. doi:10.1590/S1676-06032007000100031.
G.R. Colli og D.S. Zamboni (1999). «Ecology of the worm-lizard Amphisbaena alba in the cerrado of central Brazil». Copeia (3): 733–742. ISSN0045-8511. JSTOR1447606.
D.S. Berman (1977). «Spathorhynchus natronicus, a new species of rhineurid amphisbaenian (Reptilia) from the Early Oligocene of Wyoming». J. Paleo. 51 (5): 986–991. ISSN0022-3360. JSTOR1303771.
R.M. Sullivan (1985). «A new Middle Paleocene (Torrejonian) rhineurid amphisbaenian, Plesiorhineura tsentasi new genus, new species, from the San Juan Basin, New Mexico». J. Paleo. 59 (6): 1481–1485. ISSN0022-3360. JSTOR1304960.
S.E. Torres og R. Montero (1998). «Leiosaurus marellii Rusconi 1937, is a South American Amphisbaenid». Journal of Herpetology. 32 (4): 602–604. ISSN0022-1511. JSTOR1565221.
M. Kearney og B.L. Stuart (2004). «Repeated evolution of limblessness and digging heads in worm lizards revealed by DNA from old bones». Proc. R. Soc. Lond. B. 271 (1551): 1677–1683. ISSN1471-2954. doi:10.1098/rspb.2004.2771.
G.F. Maschio, A.L. da C. Prudente og T. Mott (2009). «Water dispersal of Amphisbaena alba and Amphisbaena amazonica (Squamata: Amphisbaenia: Amphisbaenidae) in Brazilian Amazonia». Zoologia (Curitiba). 26 (3): 567–570. ISSN1984-4670. doi:10.1590/S1984-46702009005000007.
G.R. Colli og D.S. Zamboni (1999). «Ecology of the worm-lizard Amphisbaena alba in the cerrado of central Brazil». Copeia (3): 733–742. ISSN0045-8511. JSTOR1447606.
D.V. Andrade, L.B. Nascimento og A.S Abe (2006). «Habits hidden underground: a review on the reproduction of the Amphisbaenia with notes on four neotropical species». Amphibia-Reptilia. 27 (2): 207–217. ISSN1568-5381. doi:10.1163/156853806777239995.
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.
J. Müller m.fl. (2011). «Eocene lizard from Germany reveals amphisbaenian origins». Nature (473): 364–367. ISSN1476-4687. doi:10.1038/nature09919.
N.R. Longrich m.fl. (2015). «Biogeography of worm lizards (Amphisbaenia) driven by end-Cretaceous mass extinction». Proc. Royal Soc. B. 282 (1806). ISSN1471-2954. doi:10.1098/rspb.2014.3034.
N. Vidal m.fl. (2008). «Origin of tropical American burrowing reptiles by transatlantic rafting». Biol. Lett. 4 (1): 115–118. ISSN1744-957X. doi:10.1098/rsbl.2007.0531.
D.S. Berman (1977). «Spathorhynchus natronicus, a new species of rhineurid amphisbaenian (Reptilia) from the Early Oligocene of Wyoming». J. Paleo. 51 (5): 986–991. ISSN0022-3360. JSTOR1303771.
R.M. Sullivan (1985). «A new Middle Paleocene (Torrejonian) rhineurid amphisbaenian, Plesiorhineura tsentasi new genus, new species, from the San Juan Basin, New Mexico». J. Paleo. 59 (6): 1481–1485. ISSN0022-3360. JSTOR1304960.
S.E. Torres og R. Montero (1998). «Leiosaurus marellii Rusconi 1937, is a South American Amphisbaenid». Journal of Herpetology. 32 (4): 602–604. ISSN0022-1511. JSTOR1565221.
M.B. Mateus m.fl. (2011). «A cobra-de-duas-cabeças na percepção dos moradores do povoado de Itatiaia, Minas Gerais». Biotemas. 24 (3): 111–117. ISSN2175-7925. doi:10.5007/2175-7925.2011v24n3p111.
F.G. Lemos og K.G. Facure (2007). «New record of Amphisbaena fuliginosa (Squamata, Amphisbaenidae) for the Cerrado Biome, in an area of extensive cattle ranching». Biota Neotropica. 7 (1). ISSN1676-0603. doi:10.1590/S1676-06032007000100031.