After Pepin, 199?, Caldwell, 1999, Lee & Caldwell, 2000, Balsai, 2001, and Conrad, Rieppel & Grande, 2008

<==o Platynota Baur, 1890 (non Camp, 1923?) (varaanintapaiset liskot; Varanus-like lizards)
   |?- †Pachyvaranus crassispondylus Arambourgh, 1952
   |?- †Platynota gen. et sp. indet. Augé, 2003 [Varanoidea indet. Augé et al., 1997] L.Eoc. WEu.
   |?- †Proplatynota longirostrata (Borsuk-Bialynicka, 1984) [Proplatynotia Borsuk-Bialynicka, 1984]
   |?-o †Parviraptor Evans, 1994 [treated as basal snakes by Caldwell et al., 2015]
   |  |-- †P. estesi Evans, 1994
   |  `-- †P. gilmorei Evans, 1996 [= Diablophis gilmorei (Evans) Caldwell, Nydam, Palci & Apesteguía, 2015]
   |?- †“Saniwafeisti Stritzke, 1983
   |--o †“Necrosauridae” Hoffstetter, 1943 [Parasaniwidae Estes, 1964] [paraphyletic?]
   |  |?- †Provaranosaurus acutus Gilmore 1942
   |  |-- †Colpodontosaurus cracens Estes, 1964
   |  |-- †Eosaniwa koehni Haubold, 1977; M.Eoc. CEu.
   |  |-- †Parviderma inexacta Borsuk-Bialynicka, 1984
   |  |-- †Necrosaurus cayluxi Filhol 1873 [Melanosauroides; Odontomophis; Palaeosaurus; Palaeovaranus]
   |  `-- †Parasaniwa wyomingensis Gilmore 1928
   `--+?- †Gobiderma pulchrum Borsuk-Bialynicka, 1984 [Gobidermatidae]
      `--o Thecoglossa
         `--o Varanoidea Boulenger, 1891 [non Camp, 1923] sensu Belsai, 2001 [last common ancestor of Lanthanotus, Heloderma & Varanus]
            |?- †Aiolosaurus oriens Gao & Norell, 2000
            |?- †Ovoo gurvel  Norell, Gao & Conrad, 2007
            |--+--+?- †Palaeosaniwa canadensis Gilmore, 1928 [Megasaurus]
            |  |  `-- Monstersauria Norell & Gao, 1997 [Estesioidea]
            |  `--o Lanthanotinae [Lanthanotidae] (kuurovaraanit)
            |     |-- †Cherminotus longifrons Borsuk-Bialynicka, 1984
            |     `-- Lanthanotus borneensis Steindachner, 1878 (kuurovaraani; earless monitor)
            `--o Varanoidea Camp, 1923 sensu tradionalis [all platynotans closer to Varanus than to Heloderma]
               |-- Pythonomorpha Cope, 1869 sensu Lee & Caldwell, 2000 (käärmeet & meriliskot; snakes & mosasaurids)
               `--o Varanidae Merrem, 1820 (varaanit, monitor lizards) ["Varanoinea"]
                  |?- †Iberovaranus catalaunicus Hoffstetter, 1969; Mioc. Eu. [=? Varanus Delfino, Rage, Bolet & Alba (in press)]
                  |?- †Chilingosaurus chingshankouensis Young, 1961
                  |--+-- †Telmasaurus grangeri Gilmore, 1943
                  |  `-- †Saniwides mongoliensis Borsuk-Bialynicka, 1984
                  `--+--o †Saniwa Leidy, 1870 [Thinosaurus Marsh 1872] [Saniwinae Camp, 1923]
                     |  |-- †S. ensidens Leidy, 1870 [taxonomic history]
                     |  |-- †S. orsmaelensis Dollo, 1923; Estes, 1983
                     |  `-- †S. edura Smith, 2006
                     `-- Varanus Merrem, 1820 [Hydrosaurus Wagler, 1830] ?L.Eoc. As., Olig.-R. Aust., M.Mioc.-R. As.; L.Mioc.-R. Af., Mioc. Eu. (varaanit, monitor lizards)

Alternative phylogenies of Platynota:

After Conrad, Rieppel & Grande, 2008

<==o Platynota
   |-- †“Saniwafeisti
   `--+-- †Necrosaurus
      `--+--+-- †Saniwides
         |  `-- †Telmasaurus
         `--+-- †Aiolosaurus
            |-- Lanthanotus
            |-- †Cherminotus
            |-- †Ovoo
            `--+-- †Saniwa
               `-- Varanus

Reference(s):

  • Conrad, J. L., Rieppel, O. C. & Grande, L., 2008: Re-assessment of varanid evolution based on new data from Saniwa ensidens Leidy, 1870 (Squamata, Reptilia).
    –American Museum Novitates: #3630, pp. 1-15

After Norell, Gao & Conrad, 2007 (fig. 7b)

<==o Platynota
   |-- †Mosasauria
   `--+-- †“Saniwafeisti
      |-- †Necrosaurus
      `--+--+-- †Saniwides
         |  `-- †Telmasaurus
         `--+-- †Aiolosaurus
            |--+-- Lanthanotus
            |  `-- †Cherminotus
            `--+-- †Ovoo
               `--+-- †Saniwa
                  `-- Varanus

Reference(s):

  • Norell, M. A., Gao, K.-Q. & Conrad, J. L., 2007: A New Platynotan Lizard (Diapsida: Squamata) from the Late Cretaceous Gobi Desert (Ömnögov), Mongolia.
    –American Museum Novitates: #3605, pp. 1-22

After Rieppel, Conrad & Maisano, 2007

<==o Platynota
   |-- †Parasaniwa
   `--+-- †Parviderma
      `--o Varanoidea
         |-- Monstersauria
         `--+-- †Necrosaurus
            `--+-- †“Saniwafeisti
               `--+-- †Proplatynotia
                  `--+--+-- †Telmasaurus
                     |  `--+-- †Saniwides
                     |     `-- Varanidae
                     `--+-- †Eosaniwa
                        `--+-- †Parasaniva
                           `--+-- †Dolichosauridae
                              `-- †Mosasauroidea

Reference(s):

After Nydam, 2000, and Balsai, 2001

<==o Platynota
   |?- †Parviraptor
   `--o ?Thecoglossa
      |--+?- †Palaeosaniwa
      |  `-- Monstersauria
      `--o Varanoidea
         |?- †Proplatynota
         |==o †Necrosauridae
         |  |?- †Provaranosaurus
         |  |-- †Colpodontosaurus
         |  |-- †Eosaniwa
         |  |-- †Parviderma
         |  |-- †Necrosaurus
         |  `-- †Parasaniwa
         `--o Varanidae
            |?- †Pachyvaranus
            |?- †Iberovaranus
            |?- †Chilingosaurus
            `--+-- †Telmasaurus
               `--+-- †Saniwa
                  `--+--o Lanthanotinae
                     |  |-- †Cherminotus
                     |  `-- Lanthanotus
                     `--o Varaninae
                        |?- †Saniwides
                        `-- Varanus

 

Reference(s):