After Carroll, 1988, and Nelson, 1994, with Recent species from Froese & Pauly, 2001 [“The Fishbase”]

<==o Neobythitinae [36/140]
   |-- Abyssobrotula galatheae Nielsen, 1977
   |?- Acanthonomus
   |-- Bassogigas gilli Goode & Bean, 1896
   |--o Bassozetus [11]
   |  |-- B. compressus (Günther, 1878) (Abyssal assfish)
   |  |-- B. elongatus Smith & Radcliffe, 1913
   |  |-- B. glutinosus (Alcock, 1890)
   |  |-- B. levistomatus Machida, 1989
   |  |-- B. multispinis Shcherbachev, 1980
   |  |-- B. nasus Garman, 1899
   |  |-- B. normalis Gill, 1883
   |  |-- B. oncerocephalus (Vaillant, 1888)
   |  |-- B. robustus Smith & Radcliffe, 1913
   |  |-- B. taenia (Günther, 1887)
   |  `-- B. zenkevitchi Rass, 1955
   |--o Dicrolene [15]
   |  |-- D. filamentosa Garman, 1899
   |  |-- D. gregoryi Trotter, 1926
   |  |-- D. hubrechti Weber, 1913
   |  |-- D. intronigra Goode & Bean, 1883 (Digitate cusk eel)
   |  |-- D. kanazawai Grey, 1958
   |  |-- D. longimana Smith & Radcliffe, 1913
   |  |-- D. mesogramma Shcherbachev, 1980
   |  |-- D. multifilis (Alcock, 1889) (Slender brotula)
   |  |-- D. nigra Garman, 1899
   |  |-- D. nigricaudis (Alcock, 1891)
   |  |-- D. pallidus Hureau & Nielsen, 1981
   |  |-- D. pullata Garman, 1899
   |  |-- D. quinquarius (Günther, 1887)
   |  |-- D. tristis Smith & Radcliffe, 1913
   |  `-- D. vaillanti (Alcock, 1890)
   |-- Eretmichthys pinnatus Garman, 1899
   |--o Glyptophidium Mioc. EAs. R. Oc. [7]
   |  |-- G. argenteum Alcock, 1889
   |  |-- G. effulgens Nielsen & Machida, 1988
   |  |-- G. japonicum Kamohara, 1936
   |  |-- G. longipes Norman, 1939 (Bigeye brotula)
   |  |-- G. lucidum Smith & Radcliffe, 1913
   |  |-- G. macropus Alcock, 1894
   |  `-- G. oceanium Smith & Radcliffe, 1913
   |-- Homostolus acer Smith & Radcliffe, 1913
   |--o Lamprogrammus [5]
   |  |-- L. brunswigi (Brauer, 1906)
   |  |-- L. exutus Nybelin & Poll, 1958 (Legless cuskeel)
   |  |-- L. fragilis Alcock, 1892
   |  |-- L. niger Alcock, 1891
   |  `-- L. shcherbachevi Cohen & Rohr, 1993
   |--o Monomitopus [14]
   |  |-- M. agassizi (Goode & Bean, 1896)
   |  |-- M. americanus (Nielsen, 1971)
   |  |-- M. conjugator (Alcock, 1896)
   |  |-- M. garmani (Smith & Radcliffe, 1913)
   |  |-- M. kumae Jordan & Hubbs, 1925
   |  |-- M. longiceps Smith & Radcliffe, 1913
   |  |-- M. magnus Carter & Cohen, 1985
   |  |-- M. malispinosus (Garman, 1899)
   |  |-- M. metriostoma (Vaillant, 1888)
   |  |-- M. microlepis Smith & Radcliffe, 1913
   |  |-- M. nigripinnis (Alcock, 1889)
   |  |-- M. pallidus Smith & Radcliffe, 1913
   |  |-- M. torvus Garman, 1899
   |  `-- M. vityazi (Nielsen, 1971)
   |-- Neobythites Eoc. Eu. R. Oc. [35]
   |--o Petrotyx [2]
   |  |-- P. hopkinsi Heller & Snodgrass, 1903 (Velvetnose brotula)
   |  `-- P. sanguineus (Meek & Hildebrand, 1928) (Redfin brotula)
   |--o Porogadus [13]
   |  |-- P. abyssalis Nybelin, 1957
   |  |-- P. atripectus Garman, 1899
   |  |-- P. catena (Goode & Bean, 1885)
   |  |-- P. gracilis (Günther, 1878) (Cavernous assfish)
   |  |-- P. guentheri Jordan & Fowler, 1902
   |  |-- P. longiceps Garman, 1899
   |  |-- P. melampeplus (Alcock, 1896)
   |  |-- P. melanocephalus (Alcock, 1891)
   |  |-- P. miles Goode & Bean, 1885 (Slender cuskeel)
   |  |-- P. nudus Vaillant, 1888
   |  |-- P. silus Carter & Sulak, 1984
   |  |-- P. subarmatus Vaillant, 1888
   |  `-- P. trichiurus (Alcock, 1890)
   |--o Sirembo [3]
   |  |-- S. imberbis (Temminck & Schlegel, 1846)
   |  |-- S. jerdoni (Day, 1888) (Brown-banded cusk-eel)
   |  `-- S. metachroma Cohen & Robins, 1986
   |-- Spectrunculus grandis (Günther, 1877) (Pudgy cuskeel)
   `== other 21 genera of neobythitines

Reference(s):