Basal and incertae sedis (Extinct)
- Genus †Coriops Estes, 1969 (possible hiodontid affinities)
- Genus †Harenaichthys Kim et al., 2022
- Genus †Paralycoptera Chang & Chou, 1977
- Genus †Jinanichthys Ma & Sun 1988 [Liaoxiichthys Su 1992]
- Genus †Joffrichthys Li & Wilson 1996 (possibly an osteoglossid)
- Genus ?†Kokuraichthys Yabumoto 2013
- Genus ?†Nierrkunia Su 1992
- Genus ?†Shuleichthys Murray, You & Peng 2010
- Genus ?†Suziichthys Su 1992
- Genus ?†Wilsonichthys Murray, Newbrey, Neumand & Brinkmand 2016
- Family †Jiaohichthyidae Ma 1983
- Genus †Jiaohichthys Ma 1983
- Family †Kuyangichthidae Liu, Ma & Liu, 1982
- Genus †Kuyangichthys Liu, Ma & Liu 1982
- Genus †Pulinia Ma 1983
Order †Lycopteriformes Chang & Chou 1977
- Family †Juiquanichthyidae Ma, 1984
- Genus †Jiuquanichthys Ma 1984
- Genus †Changma Ma 1984
- Genus †Qilianichthys Ma 1984
- Family †Lycopteridae Liu, Su, Huang & Chang, 1963
- Genus †Aokiichthys Yabumoto 1994
- Genus †Changichthys Su 1991
- Genus †Manchurichthys Saito 1936
- Genus †Neolycoptera Dolgopol de Saez 1939
- Genus †Pingolepis Chang & Chow 1974
- Genus †Tongxinichthys Ma 1980
- Genus †Yixianichthys Wu 2003
- Genus †Yungkangichthys Chang & Chou 1977
- Genus †Lycoptera Liu et al. 1963 [Asiatolepis Takai 1944; Sungarichthys Takai 1944]
Order Hiodontiformes McAllister 1968 sensu Taverne 1979
- Genus †Chetungichthys Chang & Chou, 1977
- Genus †Plesiolycoptera Zhang & Zhou 1976
- Genus †Yanbiania Li 1987
- Family Hiodontidae Valenciennes 1846 sensu stricto (mooneyes)
- Genus †Eohiodon Cavender 1966
- Genus Hiodon Lesueur 1818
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Order Osteoglossiformes Regan 1909 sensu Zhang 2004
- Genus †Lopadichthys Murray, Zelenitsky, Brinkman & Neuman, 2018
- Genus †Tanolepis Jin 1994 [Tanichthys Jin 1991 non Lin 1932]
- Genus †Wilsonichthys Murray, Newbrey, Neuman & Brinkman, 2016
- Genus †Xixiaichthys Zhang 2004
- Family †Huashiidae Chang & Chou, 1977
- Genus †Kuntulunia Liu, Ma & Liu 1982
- Genus †Huashia Chang & Chou 1977
- Suborder Pantodontoidei
- Suborder Osteoglossoidei Regan 1909
- Genus †Genartina Frizzell & Dante 1965
- Genus †Monopteros Volta 1796
- Genus †Musperia Sanders 1934
- Genus †Phareoides Taverne, 1973
- Genus †Chauliopareion
- Family †Brychaetidae Bonde 1966
- Family †Singididae Greenwood & Patterson 1967
- Genus †Singida Greenwood & Patterson 1967
- Family Phaerodontidae Jordan 1925a
- Family Osteoglossidae Bonaparte 1832 sensu lato (arowanas)
- Suborder Notopteroidei Greenwood 1973
- Family †Ostariostomidae Schaeffer, 1949
- Superfamily Notopteroidea
- Family †Wakinoichthiidae Yabumoto 1994
- Family †Kipalaichthyidae Benveniste 1998
- Genus †Kipalaichthys Casier 1965
- Genus †Paradercetis Casier 1965
- Family Notopteridae Bleeker 1851 (Brown knifefish; featherbacks)
- Superfamily Mormyroidea
- Family Gymnarchidae Bleeker 1859 (Aba, African Knifefish)
- Family Mormyridae Bonaparte 1832 (freshwater elephantfishes)
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