<==o Ipnopidae ()? [N: 6/29] [FB: 5/24]
   |--o Bathymicrops ()? [2]
   |  |-- B. brevianalis Nielsen, 1966
   |  `-- B. regis Hjort & Koefoed, 1912
   |--o Bathypterois [Benthosaurus] ()? [16]
   |  |-- B. andriashevi Sulak & Shcherbachev, 1988
   |  |-- B. atricolor Alcock, 1896 (Attenuated spider fish)
   |  |-- B. dubius Vaillant, 1888 (Spiderfish)
   |  |-- B. filiferus Gilchrist, 1906
   |  |-- B. grallator (Goode & Bean, 1886) (Tripodfish)
   |  |-- B. guentheri Alcock, 1889
   |  |-- B. longicauda Günther, 1878
   |  |-- B. longifilis Günther, 1878 (Feeler fish)
   |  |-- B. longipes Günther, 1878 (Abyssal spiderfish)
   |  |-- B. oddi Sulak, 1977
   |  |-- B. pectinatus Mead, 1959
   |  |-- B. perceptor Sulak, 1977
   |  |-- B. phenax Parr, 1928 (Blackfin spiderfish)
   |  |-- B. quadrifilis Günther, 1878
   |  |-- B. ventralis Garman, 1899
   |  `-- B. viridensis (Roule, 1916)
   |--o Bathytyphlops [Macristiella] ()? [2]
   |  |-- B. marionae Mead, 1958
   |  `-- B. sewelli (Norman, 1939)
   |?- Discoverichthys
   |--o Ipnops ()? [2]
   |  |-- I. agassizii Garman, 1899 (Grideye fish)
   |  `-- I. murrayi Günther, 1878
   `--o Parasudis ()? [2]
      |-- P. fraserbrunneri (Poll, 1953)
      `-- P. truculenta (Goode & Bean, 1896) (Longnose greeneye)


Reference(s):

Froese, R. & Pauly, D. (eds), 2001: FishBase.

–iNet: www.fishbase.org

Lahti, S., Malmström, K. K., Koli, L., Leikola, A., Syrjämäki, J. & Lahti, J., 1980: Zoo, Suuri Eläinkirja 5: Kalat, sammakkoeläimet, matelijat.

–Werner Söderström Osakeyhtiö, Porvoo-Helsinki-Juva, 1980.

      Original work [in French]: Beauté Du Monde Animal: IX Reptiles/Amphibiens & X Poissons.

–Rizzoli Editore, Milano, 1968
Nelson, J. S., 1994: Fishes of the world.

–John Wiley & Sons Inc., New York, 1994, xx-600