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

<==o Hoplostethus [Korsogaster, Leiogaster] Plioc. Eu. R. Oc. [26]
   |-- H. abramovi Kotlyar, 1986
   |-- H. atlanticus Collett, 1889 (Orange roughy)
   |-- H. cadenati Quéro, 1974 (Black slimehead)
   |-- H. confinis Kotlyar, 1980
   |-- H. crassispinus Kotlyar, 1980
   |-- H. druzhinini Kotlyar, 1986
   |-- H. fedorovi Kotlyar, 1986
   |-- H. fragilis (de Buen, 1959)
   |-- H. gigas McCulloch, 1914
   |-- H. intermedius (Hector, 1875) (Common sawbelly)
   |-- H. japonicus Hilgendorf, 1879 (Flintperch)
   |-- H. latus McCulloch, 1914 (Giant sawbelly)
   |-- H. marisrubri Kotlyar, 1986
   |--o H. mediterraneus Cuvier, 1829
   |  |-- H. m. mediterraneus Cuvier, 1829 (Mediterranean slimehead)
   |  |-- H. m. sonodae Kotylar, 1986
   |  `-- H. m. trunovi Kotylar, 1986
   |-- H. melanopterus Fowler, 1938
   |-- H. melanopus (Weber, 1913) (Smallscale slimehead)
   |-- H. mento (Garman, 1899) (Slimy head)
   |-- H. metallicus Fowler, 1938
   |-- H. mikhailini Kotlyar, 1986
   |-- H. occidentalis Woods, 1973
   |-- H. pacificus Garman, 1899
   |-- H. rifti Kotlyar, 1986
   |-- H. rubellopterus Kotlyar, 1980
   |-- H. shubnikovi Kotlyar, 1980
   |-- H. tenebricus Kotlyar, 1980
   `-- H. vniro Kotlyar, 1995

Reference(s):