After Gardner, 2000, 2002, McGowan, 2002, Gardner, Evans & Sigogneau-Russell, 2003, and Venczel & Gardner, 2005

<==o †Allocaudata Fox & Naylor, 1982
   `--o †Albanerpetontidae Fox & Naylor, 1982
      |--o †Anoualerpeton Gardner, Evans & Sigogneau-Russell, 2003; M. Jur. WEu. E. Cret. NWAf.
      |  |-- †A. priscus Gardner, Evans & Sigogneau-Russell, 2003; M. Jur. WEu. ["Kirtlington sp."]
      |  `-- †A. unicus Gardner, Evans & Sigogneau-Russell, 2003; E. Cret. NWAf. ["Anoual sp."]
      `--+--o †Celtedens McGowan & Evans, 1995 [Albanerpeton] U. Jur. L. Cret. WEu.
         |  |-- †C. megacephalus (Costa, 1864) [Triton megacephalus Costa, 1864; Heteroclitotriton megacephalus Kuhn, 1938; Triturus megacephalus Kuhn, 1960; Albanerpeton megacephalus Estes, 1981]
         |  `-- †C. ibericus McGowan & Evans, 1995
         `--o †Albanerpeton Estes & Hoffstetter, 1976 [Heteroclitotriton]
            |?- †A. sp. [Hateg Basin, Romania] [Folie & Codrea, 2005]
            |-- †A. arthridion Fox & Naylor, 1982; U.Cret. NAm.
            `--+--+-- †A. gracilis Gardner, 2000; U.Cret. NAm.
               |  |-- †A. cifellii Gardner, 1999; U.Cret. NAm.
               |  `-- †A. galaktion Fox & Naylor, 1982; U.Cret. NAm.
               `--+-- †A. nexuosus Estes, 1981; U.Cret. NAm.
                  `--+-- †A. pannonicus Venczel & Gardner, 2005; L.Plioc. CEu.
                     `--+-- †A. sp. [U. Palaoc. Alberta, Paskapoo fr.]
                        `-- †A. inexpectatum Estes & Hoffstetter, 1976; L.-M.Mio. WEu.

Allocaudata incertae sedis:

    ?†Ramonellus longispinus [misassignated, is a prosirenoid caudate??]
    †Nukusurus Nesov, 1981 [nomen dubium]
        †N. insuetus Nesov, 1981
        †N. sodalis Nesov, 19997
    †Bishara backa Nesov, 1997 [nomen dubium]

Reference(s):