Zaher, Hussam et al.: Large-scale molecular phylogeny, morphology, divergence-time estimation, and the fossil record of advanced caenophidian snakes (Squamata: Serpentes). PLOS ONE, 10.5.2019, 14. vsk, nro 5, s. e0216148. Public Library of Science. PubMed:31075128. doi:10.1371/journal.pone.0216148. Artikkelin verkkoversio. Viitattu 1.6.2020. (englanniksi)
google.fi
books.google.fi
Wallach, Van & Williams, Kenneth L. & Boundy, Jeff: Snakes of the World: A Catalogue of Living and Extinct Species, s. xi. Boca Raton: CRC Press, 2014. ISBN 978-1-4822-0847-4. Kirja Googlen teoshaussa (viitattu 1.6.2020).
Sues, Hans-Dieter: The Rise of Reptiles: 320 Million Years of Evolution, s. 153. Baltimore: Johns Hopkins University Press, 2019. ISBN 9781421428680. Kirja Googlen teoshaussa (viitattu 1.6.2020). (englanniksi)
nih.gov
pubmed.ncbi.nlm.nih.gov
Zaher, Hussam et al.: Large-scale molecular phylogeny, morphology, divergence-time estimation, and the fossil record of advanced caenophidian snakes (Squamata: Serpentes). PLOS ONE, 10.5.2019, 14. vsk, nro 5, s. e0216148. Public Library of Science. PubMed:31075128. doi:10.1371/journal.pone.0216148. Artikkelin verkkoversio. Viitattu 1.6.2020. (englanniksi)
plos.org
journals.plos.org
Zaher, Hussam et al.: Large-scale molecular phylogeny, morphology, divergence-time estimation, and the fossil record of advanced caenophidian snakes (Squamata: Serpentes). PLOS ONE, 10.5.2019, 14. vsk, nro 5, s. e0216148. Public Library of Science. PubMed:31075128. doi:10.1371/journal.pone.0216148. Artikkelin verkkoversio. Viitattu 1.6.2020. (englanniksi)