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

<==o Aploactinidae (samettisimput; velvetfishes)
   |-- †Eocynanceja Eoc. Eu.
   |-- Acanthosphex leurynnis (Jordan & Seale, 1905)
   |-- Adventor elongatus (Whitley, 1952) (Visitor)
   |-- Aploactis aspera (Richardson, 1845)
   |-- Aploactisoma milesii (Richardson, 1850)
   |-- Bathyaploactis curtisensis Whitley, 1933
   |--o Cocotropus
   |  |-- C. dermacanthus (Bleeker, 1852)
   |  |-- C. larvatus Poss & Allen, 1987 (Ghost velvetfish)
   |  |-- C. masudai Matsubara, 1943
   |  |-- C. monacanthus (Gilchrist, 1906) (Roughskin scorpionfish)
   |  |-- C. roseus Day, 1875
   |  `-- C. steinitzi Eschmeyer & Dor, 1978
   |--o Erisphex
   |  |-- E. philippinus (Fowler, 1938)
   |  `-- E. pottii (Steindachner, 1896)
   |--o Kanekonia
   |  |-- K. aniara Thompson, 1968 (Dark-finned velvetfish)
   |  |-- K. florida Tanaka, 1915
   |  |-- K. pelta Poss, 1982
   |  `-- K. queenslandica Whitley, 1952
   |-- Karumba ornatissimus (Whitley, 1933)
   |-- Neoaploactis tridorsalis Eschmeyer & Allen, 1978 (Threefin velvetfish)
   |--o Paraploactis
   |  |-- P. intonsa Poss & Eschmeyer, 1978
   |  |-- P. kagoshimensis (Ishikawa, 1904)
   |  |-- P. pulvinus Poss & Eschmeyer, 1978
   |  `-- P. trachyderma Bleeker, 1865
   |-- Peristrominous dolosus Whitley, 1952
   |--o Ptermus
   |  |-- P. gallus (Kossmann & Räuber, 1877)
   |  `-- P. jubatus (Smith, 1935) (Crested scorpionfish)
   `-- Xenoploactis

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