After Froese & Pauly, 2001 [“The Fishbase”]

<==o Muraenichthys [Aotea] ()? [25]
   |-- M. australis Macleay, 1881 (Shortfinned worm eel)
   |-- M. borealis Machida & Shiogaki, 1990
   |-- M. breviceps Günther, 1876 (Short-headed worm eel)
   |-- M. chilensis McCosker, 1970
   |-- M. cookei Fowler, 1928
   |-- M. elerae Fowler, 1934
   |-- M. erythraensis Bauchot & Maugé, 1980
   |-- M. gymnopterus (Bleeker, 1853)
   |-- M. gymnotus Bleeker, 1857 (Slender worm eel)
   |-- M. hattae Jordan & Snyder, 1901
   |-- M. iredalei Whitley, 1927
   |-- M. japonicus Machida & Ohta, 1993
   |-- M. laticaudatus (Ogilby, 1897) (Redfin worm-eel)
   |-- M. macropterus Bleeker, 1857 (Slender snake eel)
   |-- M. macrostomus Bleeker, 1865
   |-- M. nicholsae Waite, 1904
   |-- M. okamurai Machida & Ohta, 1996
   |-- M. philippinensis Schultz & Woods, 1949
   |-- M. profundorum McCosker & Parin, 1995
   |-- M. puhioilo McCosker, 1979
   |-- M. schultzei Bleeker, 1857 (Maimed snake eel)
   |-- M. sibogae Weber & de Beaufort, 1916 (Siboga worm eel)
   |-- M. tasmaniensis McCulloch, 1911
   |-- M. thompsoni Jordan & Richardson, 1908
   `-- M. xorae Smith, 1958 (Orangehead worm-eel)

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