After Nelson, 1994, with Recent species from Froese & Pauly, 2001 [“The Fishbase”]

<==o Myrophinae (worm eels; matoankeriaat) [Norton: 11 genera, 40 species]
   |-- Ahlia egmontis (Jordan, 1884) Key worm eel
   |-- Asarcenchelys longimanus McCosker, 1985
   |-- Benthenchelys cartieri Fowler, 1934
   |-- Glenoglossa wassi McCosker, 1982
   |-- Mixomyrophis pusillipinna McCosker, 1985
   |-- Muraenichthys [Aotea] ()? [25]
   |--o Myrophis ()? [7]
   |  |-- M. anterodorsalis McCosker, Böhlke & Böhlke, 1989 (Longfin worm eel)
   |  |-- M. microchir (Bleeker, 1865)
   |  |-- M. platyrhynchus Breder, 1927 (Broadnose worm eel)
   |  |-- M. plumbeus (Cope, 1871) (Leaden worm eel)
   |  |-- M. punctatus Lütken, 1852 (Speckled worm eel)
   |  |-- M. uropterus (Temminck & Schlegel, 1846) (Finned worm eel)
   |  `-- M. vafer Jordan & Gilbert, 1883 (Pacific worm eel)
   |--o Neenchelys ()? [4]
   |  |-- N. buitendijki Weber & de Beaufort, 1916 (Fintail serpent eel)
   |  |-- N. daedalus McCosker, 1982
   |  |-- N. microtretus Bamber, 1915
   |  `-- N. retropinna Smith & Böhlke, 1983
   |--o Pseudomyrophis ()? [5]
   |  |-- P. atlanticus Blache, 1975
   |  |-- P. frio (Jordan & Davis, 1891)
   |  |-- P. fugesae McCosker, Böhlke & Böhlke, 1989
   |  |-- P. micropinna Wade, 1946 (Smallfin worm-eel)
   |  `-- P. nimius Böhlke, 1960
   |-- Schismorhynchus labialis (Seale, 1917) (Grooved-jaw worm eel)
   `--o Schultzidia ()? [2]
      |-- S. johnstonensis (Schultz & Woods, 1949) (Johnston snake eel)
      `-- S. retropinnis (Fowler, 1934) (Fringe-lipped worm eel)

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