After Gao & Norell, 2000, Nydam, 2001, 2002, and Nydam & Cifelli, 2002a, b

<==o †Polyglyphanodontidae Gilmore, 1943b non Estes, 1983? [Teiidae: Polyglyphanodontinae sensu Nydam & Cifelli, 2002]
   |-- †Dicothodon moorensis Nydam, 1999
   `--+-- †Polyglyphanodontinae genera et species indet. [U. Cret. SWNA.] [Nydam, 2001]
      |-- †Cherminsaurus kozlowskii Sulimski, 1975; U. Cret. EAs.
      `--+?-o †Bicuspidon Nydam & Cifelli, 2002b; L. Cret. NA.
         |  |-- †B. numerosus Nydam & Cifelli, 2002b
         |  `-- †B. hatzegiensis Folie & Codrea, 2005
         `--+--o †Peneteius Estes, 1964 [Manangyasaurus McCord, 1998]
            |  |-- †P. aquilonius Estes, 1964
            |  `-- †P. saueri (McCord, 1998) [Manangyasaurus saueri McCord, 1998]
            `--o †Polyglyphanodon Gilmore, 1940 [incl.? Paraglyphanodon]
               |?- †P. bajaensis
               `-- †P. sternbergi Gilmore, 1940

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