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

<==o Chiasmodontidae (nielijätähystäjät) [4/15]
   |--o Chiasmodon [4]
   |  |-- C. bolangeri Osório, 1909
   |  |-- C. braueri Weber, 1913
   |  |-- C. niger Johnson, 1864 (Black swallower)
   |  `-- C. subniger Garman, 1899
   |--o Dysalotus [2]
   |  |-- D. alcocki MacGilchrist, 1905
   |  `-- D. oligoscolus Johnson & Cohen, 1974
   |--o Kali [Gargaropteron] [5]
   |  |-- K. indica Lloyd, 1909
   |  |-- K. macrodon (Norman, 1929)
   |  |-- K. macrura (Parr, 1933)
   |  |-- K. normani (Parr, 1931)
   |  `-- K. parri Johnson & Cohen, 1974
   `--o Pseudoscopelus [4]
      |-- P. altipinnis Parr, 1933
      |-- P. sagamianus Tanaka, 1908
      |-- P. scriptus Lütken, 1892
      `-- P. scutatus Krefft, 1971

Reference(s):