After Frost, 2000- [“AMNH Amphibian species of the World”], and Parra-Olea, Carcía-París, Hanken & Wake, 2005

<==o Pseudoeurycea Taylor, 1944 [incl. Ixalotriton Wake & Johnson, 1989; Lineatriton Tanner, 1950]
   |-- P. ahuitzotl
   |-- P. altamontana
   |-- P. anitae
   |-- P. aurantia
   |-- P. bellii
   |-- P. brunnata
   |-- P. cephalica
   |-- P. conanti
   |-- P. exspectata
   |-- P. firscheini
   |-- P. galeanae
   |-- P. goebeli
   |-- P. longicauda
   |-- P. melanomolga
   |-- P. mixcoatl
   |-- P. nigromaculata
   |-- P. parva
   |-- P. praecellens
   |-- P. rex
   |-- P. robertsi
   |-- P. saltator
   |-- P. scandens
   |-- P. tenchalli
   |-- P. teotepec
   |-- P. tlahcuiloh
   |-- P niger [Ixalotriton niger Wake & Johnson, 1989]
   |--o P. gadovii -group
   |  |-- P. aquatica Wake & Campbell, 2001
   |  |-- P. cochranae
   |  |-- P. gadovii
   |  |--+-- P. papenfussi Parra-Olea, Carcía-París, Hanken & Wake, 2005 (Muscular Salamander; Salamandra Escaladora)
   |  |  `-- P. smithi
   |  `-- P. unguidentis
   |--o P. juarezi -group
   |  |-- P. juarezi
   |  `-- P. ruficauda
   `--o P. leprosa -group
      |-- P. leprosa
      |-- P. lineolus [Lineatriton lineolus]
      |-- P. mystax
      |-- P. obesa Parra-Olea, Carcía-París, Hanken & Wake, 2005 (Ridge Tailö Salamander; Salamandra de Cola Estriada)
      `-- P. werleri


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