Order Chimaeriformes Obruchev 1953 (chimaera)
Chondrichthyes - Chimaeriformes
Parent taxon: Holocephalimorpha according to J. A. Ebersole et al. 2022
See also Applegate 1970, Cvancara and Hoganson 1993, Delsate et al. 2002, Duffin 1981, Duffin and Furrer 1981, Gouiric-Cavalli et al. 2015, Kent 2018, Kriwet and Gazdizicki 2003, Long 2011, Nelson 2006, Nelson et al. 2016, Popov et al. 2020, Popov et al. 2025, Purdy et al. 2001, Sepkoski 2002, Thurmond and Jones 1981 and van der Laan 2019
Sister taxa: Chimaerimorpha, Cochliodontomorpha, Copodontiformes, Psammodontiformes
Subtaxa: Callorhynchidae Chimaeroidei Chimeroidei Echinochimaeroidei Icthypriapus Myracanthiodei Myriacanthoidei Squalorajoidei
Ecology: nektobenthic carnivore