Paleontological Journal

, Volume 52, Issue 12, pp 1432–1435 | Cite as

A New Platynotan Lizard (Parasaniwidae, Anguimorpha) from the Late Paleocene of Southern Mongolia

  • V. R. AlifanovEmail author


A new lizard, Tsagansaurus nemegetensis gen. et sp. nov., from the Late Paleocene of southern Mongolia is described. It is assigned to the extinct family Parasaniwidae (Platynota, Anguimorpha). The new taxon is the latest representative of this group in the fossil record.


Lizards Parasaniwidae Platynota Anguimorpha Late Paleocene Mongolia southern Gobi 



This study was supported by the Russian Foundation for Basic Research, project no. 16-05-00408.


  1. 1.
    Alifanov, V.R., Macrocephalosaurs and early stages of the evolution of lizards of Mongolia, Tr. Paleontol. Inst. Ross. Akad. Nauk, 2000, vol. 272, pp. 1–126.Google Scholar
  2. 2.
    Alifanov, V.R., Order Lacertilia, in Iskopaemye pozvonochnye Rossii i sopredel’nykh stran. Iskopaemye reptilii i ptitsy. Chast’ 2 (Fossil Vertebrates of Russia and Adjacent Countries: Fossil Reptiles and Birds: Part 2), Kurochkin, E.N. and Lopatin, A.V., Eds., Moscow: Geos, 2012, pp. 7–136.Google Scholar
  3. 3.
    Badamgarav, D. and Reshetov, V.Yu., Paleontology and stratigraphy of Paleogene of Transaltai Gobi, Tr. Sovm. Sovet.-Mongol. Paleontol. Eksped., 1985, vol. 25, pp. 1–104.Google Scholar
  4. 4.
    Borsuk-Białynicka, M., Anguimorphans and related lizards, Palaeontol. Polon., 1984, no. 46, pp. 5–105.Google Scholar
  5. 5.
    Conrad, J.L., Phylogeny and systematics of Squamata (Reptilia) based on morphology, Bull. Am. Mus. Natur. Hist., 2008, no. 310, pp. 1–182.Google Scholar
  6. 6.
    Dong, L., Evans, S.E., and Wang, Y., Taxonomic revision of lizards from the Paleocene deposits of the Qianshan Basin, Anhui, China, Vertebr. PalAsiat., 2016, vol. 54, no. 3, pp. 243–268.Google Scholar
  7. 7.
    Estes, R., Fossil vertebrates from the Late Cretaceous Lance Formation of Eastern Wyoming, Publ. Geol. Sci. Univ. California, 1964, vol. 49, pp. 1–180.Google Scholar
  8. 8.
    Estes, R., Handbuch der Paläoherpetologie: Encyclopedia of Paleoherpetology, vol. 10A: Sauria terrestria, Amphisbaenia, Stuttgart–New York: G. Fisher, 1983.Google Scholar
  9. 9.
    Gauthier, J.A., Kearney, M., Maisano, J.A., et al., Assembling the Squamate tree of life: Perspectives from the phenotype and the fossil record, Bull. Peabody Mus. Natur. Hist., 2012, vol. 53, no. 1, pp. 3–308.CrossRefGoogle Scholar
  10. 10.
    Lee, M.S.Y., The phylogeny of varanoid lizards and affinities of snakes, Philos. Transact. R. Soc. B Biol. Sci., 1997, vol. 352, no. 1349, pp. 53–91.Google Scholar
  11. 11.
    Lopatin, A.V., Early Paleogene insectivore mammals of Asia and establishment of the major groups of Insectivora, Paleontol. J., 2006, vol. 40, suppl. no. 3, pp. 205–405.CrossRefGoogle Scholar
  12. 12.
    Maisano, J.A., Bell, C.J., Gauthier, J.A., and Rowe, T., The osteoderms and palpebral in Lanthanotus borneensis (Squamata: Anguimorpha), J. Herpetol., 2002, vol. 36, no. 4, pp. 679–682.CrossRefGoogle Scholar
  13. 13.
    Norell, M.A. and Gao, K., Braincase and phylogenetic relationships of Estesia mongoliensis from the Late Cretaceous of the Gobi Desert and the recognition of a new clade of lizards, Am. Mus. Novit., 1997, no. 3211, pp. 1–25.Google Scholar

Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Borissiak Paleontological Institute, Russian Academy of SciencesMoscowRussia

Personalised recommendations