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

<==o Photichthyidae [Phosichthyidae] (valokalat) [7/18]
   |--o Ichthyococcus [6]
   |  |-- I. australis Mukhacheva, 1980
   |  |-- I. elongatus Imai, 1941 Slim lightfish
   |  |-- I. intermedius Mukhacheva, 1980
   |  |-- I. irregularis Rechnitzer & Böhlke, 1958 (Bulldog lightfish)
   |  |-- I. ovatus (Cocco, 1838) (Lightfish)
   |  `-- I. polli Blache, 1963
   |--o Photichthys [Phosichthys] Mioc. Eu. Plioc. NAf. R. Oc. [1 Recent species]
   |  |-- †P. larteti
   |  `-- P. argenteus Hutton, 1872
   |-- Pollichthys mauli (Poll, 1953) (Stareye lightfish)
   |--o Polymetne [3]
   |  |-- P. corythaeola (Alcock, 1898)
   |  |-- P. elongata (Matsubara, 1938)
   |  `-- P. thaeocoryla Parin & Borodulina, 1990
   |--o Vinciguerria Olig. R. Eu. Oc. [4]
   |  |-- V. attenuata (Cocco, 1838)
   |  |-- V. lucetia (Garman, 1899) (Panama lightfish)
   |  |-- V. nimbaria (Jordan & Williams, 1895) (Oceanic lightfish)
   |  `-- V. poweriae (Cocco, 1838) (Power's deep-water bristle-mouth fish)
   |--o Woodsia [2]
   |  |-- W. meyerwaardeni Krefft, 1973
   |  `-- W. nonsuchae (Beebe, 1932) (Bigeye lightfish)
   `-- Yarrella blackfordi Goode & Bean, 1896

Reference(s):