Species from Froese & Pauly, 2001– [“The Fishbase”]

<==o Heterenchelyidae
   |--o Panturichthys
   |  |-- P. fowleri (Ben-Tuvia, 1953)
   |  |-- P. isognathus Poll, 1953
   |  |-- P. longus (Ehrenbaum, 1915)
   |  `-- P. mauritanicus Pellegrin, 1913 (Mauritanian shortface eel)
   `--o Pythonichthys [Heterenchelys] Mioc. Aust. R. Oc.
      |-- P. sp.
      |-- P. macrurus (Regan, 1912)
      |-- P. microphthalmus (Regan, 1912)
      `-- P. sanguineus Poey, 1868

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