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

<==o Heterocongrinae (hieta-ankeriaat)? [Nelson: 2 genera, 25 species] [Fishbase: 31 species]
   |--o Gorgesia ()? [12]
   |  |-- G. barnesi Robison & Lancraft, 1984
   |  |-- G. galzini Castle & Randall, 1999 (Speckled garden-eel)
   |  |-- G. hawaiiensis Randall & Chess, 1979
   |  |-- G. inferomaculata (Blache, 1977)
   |  |-- G. japonica Abe, Miki & Asai, 1977
   |  |-- G. klausewitzi Quéro & Saldanha, 1995 (Klausewitz' garden eel)
   |  |-- G. maculata Klausewitz & Eibl-Eibesfeldt, 1959 (Whitespotted garden eel)
   |  |-- G. naeocepaea (Böhlke, 1951)
   |  |-- G. preclara Böhlke & Randall, 1981 (Splendid garden eel)
   |  |-- G. punctata Meek & Hildebrand, 1923 (Dotted garden eel)
   |  |-- G. sillneri Klausewitz, 1962
   |  `-- G. taiwanensis Shao, 1990
   `--o Heteroconger [Nystacichthys, Nystactes, Taenioconger, Xarifania] ()? [19]
      |-- H. balteatus Castle & Randall, 1999
      |-- H. camelopardalis (Lubbock, 1980)
      |-- H. canabus (Cowan & Rosenblatt, 1974) White-ring garden eel)
      |-- H. cobra Böhlke & Randall, 1981 (Garden eel)
      |-- H. digueti (Pellegrin, 1923) (Pale green eel)
      |-- H. enigmaticus Castle & Randall, 1999
      |-- H. halis (Böhlke, 1957) Brown garden eel
      |-- H. hassi (Klausewitz & Eibl-Eibesfeldt, 1959) (Spotted garden-eel)
      |-- H. klausewitzi (Eibl-Eibiesfeldt & Köster, 1983) (Galapagos garden eel)
      |-- H. lentiginosus Böhlke & Randall, 1981
      |-- H. longissimus Günther, 1870
      |-- H. luteolus Smith, 1989
      |-- H. obscurus (Klausewitz & Eibl-Eibesfeldt, 1959)
      |-- H. pellegrini Castle, 1999
      |-- H. perissodon Böhlke & Randall, 1981
      |-- H. polyzona Bleeker, 1868
      |-- H. taylori Castle & Randall, 1995
      |-- H. tomberua Castle & Randall, 1999
      `-- H. tricia Castle & Randall, 1999

Reference(s):