Osteichthyes - Acipenseriformes
Parent taxon: Chondrostei according to E. J. Hilton and L. Grande 2022
See also Applegate 1970, Betancur et al. 2013, Carnevale and Godfrey 2018, Chhabra and Mishra 2002, Ebersole et al. 2019, Estes 1964, Fierstine et al. 2012, Grande and Bemis 1996, Grande and Hilton 2006, Grande et al. 2002, Long 2011, Meyer and Zardoya 2003, Murray et al. 2023, Nelson 2006, Nelson et al. 2016, Peng et al. 2001, Purdy et al. 2001, Sepkoski 2002, Thurmond and Jones 1981 and Weems 1999
Sister taxa: Asterodontidae, Cheirolepiformes, Chondrosteiformes, Dictyopygidae, Diphyodontidae, Guidayichthyiformes, Luganoiiformes, Neochallaia, Phanerorhynchiformes, Pholidopleuriformes, Polyodonti, Ptycholepiformes, Saurichthyiformes, Sturii
Subtaxa: Acipenseridae Acipenseriodei Acipenseristomi Chondrosteoidei Eochondrosteus Errolichthyidae Polyodontidae Saurichthidae
Ecology: nektobenthic carnivore