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Actinopterygii (ray-finned fish)

Taxonomy
Actinopterygii was named by Cope (1887). It is extant.

It was reranked as the order Actinopterygii by Gadow (1898), Woodward (1902), Lambe (1908); it was reranked as the class Actinopterygii by Andrews (1906), Woodward (1916), Daly (1973), Schaeffer and Dalquest (1978), Thurmond and Jones (1981), Kumar and Loyal (1987), Case and Schwimmer (1988), Ahlberg (1991), Cvancara and Hoganson (1993), Weems (1999), Grande and Hilton (2006), Poyato-Ariza (2010); it was reranked as the unranked clade Actinopterygii by Delsate (1997), Cartanyà (1999), Delsate (2003), Previtera and González Riga (2008); it was reranked as the superclass Actinopterygii by Betancur et al. (2013); it was reranked as the subclass Actinopterygii by Casier (1966), Miles (1977), Domning and Clark (1993), Martinelli and Forasiepi (2004), Carnevale (2007), Long et al. (2008), Choo (2012), Denton (2013), Nelson et al. (2016), Carnevale and Godfrey (2018).

It was assigned to Teleostomi by Andrews (1906), Woodward (1916); to Pisces by Lambe (1908), Delsate (1997); to Teleostomi by Gadow (1898), Woodward (1902), Miles (1977), Zalohar et al. (2009); to Osteichthyes by Delsate (2003), Previtera and González Riga (2008), Long (2011), Betancur et al. (2013); to Chordata by Fourriére et al. (2014); and to Osteichthyes by Casier (1966), Daly (1973), Schaeffer and Dalquest (1978), Thurmond and Jones (1981), Kumar and Loyal (1987), Case and Schwimmer (1988), Ahlberg (1991), Domning and Clark (1993), Cvancara and Hoganson (1993), Cartanyà (1999), Weems (1999), Meyer and Zardoya (2003), Martinelli and Forasiepi (2004), Grande and Hilton (2006), Carnevale (2007), Long et al. (2008), Poyato-Ariza (2010), Choo (2012), Denton (2013), Nelson et al. (2016), Carnevale and Godfrey (2018).

Subtaxa
Actinopteri, Aeduelliformes, Aesopichthyidae, Aetheospondyli, Aetheretmon, Aethocephalichthys, Akanolepis, Ameghinichthys, Anapterus, Aneurolepis (syn. Urolepis), Asarotiformes, Atkinsonella, Australichthys, Avamia, Avonichthys, Baoqingichthys, Beagiascus, Bishofia, Bluefieldius, Bobastraniiformes, Burguklia, Cenechoia paramillensis, Cenechoia sulcata, Charleuxiidae, Chichiidae, Chirothrix, Cladistia, Cuneognathus, Diplospondichthys, Discordichthyidae, Echidnocephalus, Engraulis, Eurekichthyoidei, Eurynotiformes, Eurynotus uspallatensis, Eurypoma, Exocoetoides, Fubarichthyiformes, Guaymayenia, Guildayichthyiformes, Guntherichthys, Gyrolepidoides cuyanus, Gyrolepidotidae, Histiothrissa, Holuropsis, Isospondyli, Kalops, Kansasiella, Kenderlichthyidae, Kutaichthys, Lepidotus pectoralis, Lepidotus trotti, Lineagruan, Mallotus, Meemannia, Meisenheimichthys, Ministrella, Moythomasiidae, Neochallaia leonensis, Neuburgichthys, Nozamichthys, Ophiopsis lariensis, Opistopteryx, Oxypteriscus, Pachylebias (syn. Aelia), Palaeobergia, Palaeoneiros, Palaeonisci, Palaeonisciformes (syn. Bobasatraniiformes, Palaeoniscida), Palaeoniscimorpha, Palaeoniscoidae, Palaeoniscoidea, Paleonisciformes, Paramblypteriformes, Phanerosteonoidei, Phoebeannaia, Pholidophorus dentatus, Pholidophorus lepturus, Pholidophorus vallejensis, Piratata, Polypteri, Protaulopsis, Protospondyli, Pseudoberyx, Rhynchorhinus, Roslerichthys, Salmo, Schizospondylus, Semionotus brevis, Semionotus dubius, Semionotus inornatus, Semionotus mendozaensis, Semionotus unicristatus, Semionotus vallejensis, Spinofacia, Stegotrachelus, Tanyrhinichthys, Tarrasiiformes, Terenolepis, Tetragonopterus, Tetraodontiformes, Thryptodus, Trachichthyiformes, Uranichthys, Yaomoshania
Sister taxa
Actinopteri, Cladistia