After Nydam, 2000 and Balsai, 2001
<==o Platynota (varaanintapaiset liskot, Varanus-like lizards) |?- †Parviraptor `--o ?Thecoglossa |--+?- †Palaeosaniwa canadensis [Megasaurus] | `-- Monstersauria Norell & Gao, 1997 [Estesioidea] `--o Varanoidea [all platynotans closer to Varanus than to Heloderma] |?- †Proplatynota longirostrata ( Borsuk-Bialynicka, 1984) [Proplatynotia Borsuk-Bialynicka, 1984] |--o †Necrosauridae [paraphyletic?] | |?- †Provaranosaurus | |-- †Colpodontosaurus | |-- †Eosaniwa | |-- †Parviderma inexacta Borsuk-Bialynicka, 1984 | |-- †Necrosaurus [Melanosauroides, Odontomophis, Palaeosaurus, Palaeovaranus] | `-- †Parasaniwa wyomingensis `--o Varanidae (varaanit, monitor lizards) [“Varanoinea”] |?- †Pachyvaranus |?- †Iberovaranus |?- †Chilingosaurus `--+-- †Telmasaurus grangeri Gilmore, 1943 `--+-- †Saniwa [Thinosaurus] `--+--o Lanthanotinae [Lanthanotidae] (earless monitors; kuurovaraanit) | |-- †Cherminotus longifrons Borsuk-Bialynicka, 1984 | `-- Lanthanotus borneensis Steindachner, 1878 (kuurovaraani; earless monitor) `--o Varaninae [Varanidae] (aitovaraanit) |?- †Saniwides mongoliensis Borsuk-Bialynicka, 1984 `-- Varanus (varaanit, monitor lizards) [46 species]
Reference(s):
- Alifanov, V. R., 2000: The fossil record of Cretaceous lizards from Mongolia. 368-389
in Benton, M. J., Shishkin, M. A., Unvin, D. M. & Kurochkin, E. N., (eds.) 2000: The Age of Dinosaurs in Russia and Mongolia.
–Cambridge University Press, Cambridge, 2000 xxxix-696 - Balsai, M. J., 2001: Redescription and revised taxonomy of Palaeosaniwa canadensis based upon new more complete material.
–Journal of Vertebrate Paleontology: Vol. 21, #3, Supplement to #3, pp. 31A - Caldwell, M. W., 1999: Squamate phylogeny and the relationships of snakes and mosasauroids.
–Zoological Journal of the Linnean Society; Vol. 125, pp. 115-147 - Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698 - Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L. 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698 - Evans, S. E. & Barbadillo, J., 1997: Early Cretaceous lizards from Las Hoyas, Spain.
–Zoological Journal of the Linnean Society: Vol. 119, #1, pp. 23-49 - Nydam, R. L., 2000: A new taxon of helodermatid-like lizard from the Albian-Cenomanian of Utah.
–Journal of Vertebrate Paleontology: Vol. 20, #2, pp. 285-294 - Pepin, D. J., 199?: The origin of monitor lizards based on a review of the fossil evidence.
–iNet: http://artsci.wustl.edu/~djpepin/fossil.html - Pianka, E. R., 199?: Evolution of varanid lizards.
–iNet: http://uts.cc.utexas.edu/~varanus/varanus.html - Uetz, P., Etzold, T. & Chenna, R. (eds.), 1995-2000: The Reptile Database [former “EMBL Reptile Database”].
–iNet: http://www.reptile-database.org/