Infraclass Chondrostei Müller 1844
Parent taxon: Actinopterygii according to E. J. Hilton and L. Grande 2022
See also Applegate 1970, Betancur et al. 2013, Carnevale and Godfrey 2018, Daly 1973, Dunkle 1946, Ebersole et al. 2019, Fierstine et al. 2012, Gadow 1898, Grande and Hilton 2006, Grande et al. 2002, Hay 1902, Heintz 1934, Jaekel 1911, Jordan 1963, Long 2011, Murray et al. 2023, Nelson 2006, Nelson et al. 2016, Thurmond and Jones 1981 and van der Laan 2019
Sister taxa: none
Subtaxa: Acipenseriformes Asterodontidae Cheirolepiformes Chondrosteiformes Dictyopygidae Diphyodontidae Guidayichthyiformes Neochallaia Polyodonti Sturii