After Larson, 1996 [“The Tree of Life”], Gao & Shubin, 2003, and Wang & Evans, 2006, with Recent species from Frost, 2000-2002 [“AMNH Amphibian species of the World”]

<==o Caudata Oppel, 1911 (salamanders, urodeles; pyrstösammakot, salamanterit)
   |?- †Marmonerpeton
   `--+--o †Karauridae Ivakhnenko, 1978 [Karauroidea Estes, 1981]
      |  |-- †Karaurus sharovi Ivakhnenko, 1978
      |  `-- †Kokartus honorarius Nesov, 1988
      `--+--+-- †Jeholotriton paradoxus Wang, 2000
         |  `-- †Pangerpeton sinensis Wang & Evans, 2006
         |--+-- †Laccotriton subsolanus Gao, Cheng & Xu, 1998
         |  `-- †Sinerpeton fengshanensis Gao & Shubin, 2001
         `--o Urodela Duméril, 1806 (Recent salamanders; nykysalamanterit)
            |?-o †Liaoxitriton Dong & Wang, 1998; L.Cret. EAs.
            |  |-- †L. zhongjiani Dong & Wang, 1998
            |  `-- †L. daohugouensis Wang, 2004a
            |-- Sirenidae (sirens; mutaliskot) [2/4] [Sirenoidea; Meantes; Trachystomata]
            `--o Neocaudata Cannatella & Hillis, 1993
               |-- Cryptobranchoidea Dunn, 1922 sensu Larson & Dimmick, 1993 [Cryptobranchiformes Milner, 2000] (giant salamanders, hellbenders; suursalamanterit)
               `-- Salamandroidea sensu Larson & Dimmick, 1993 [Salamandriformes Milner, 2000] (true salamanders; aitosalamanterit)

Caudata incertae sedis:

Prosirenoidea Estes, 1981
        †Prosirenidae Estes, 1969a
            †Prosiren elinorae Goin & Auffenburg, 1958

Reference(s):