Alternative spelling: Galeomorphii
Synonym: Selachimorpha Nelson 1984
Parent taxon: Elasmobranchii according to R. van der Laan 2019
See also Cicimurri et al. 2025, Cicimurri et al. 2022, Delsate 2003, Ebersole et al. 2024, Kent 2018, Kriwet et al. 2009, Kriwet et al. 2007, Long 2011, Nelson et al. 2016 and Sepkoski 2002
Sister taxa: Agaleidae, Amelacanthus, Annulicorona, Aporomicrodus, Arduodens, Batomorphi, Carcharopsis, Carinasubcorona, Celtiberina, Cestraciontidae, Changxingselache, Cladodontomorphi, Cladodontomorphii, Cladodus hassiacus, Cladodus wildungensis, Cladoselachida, Cladoselachii, Complanicorona, Coniunctio, Coronodontida, Eunemacanthus, Euselachiformes, Eychlaodus, Fragilicorona, Galeiformes, Glabrisubcorona, Gondwanodus, Ichthyodorulites, Labascicorona, Labrilancea, Lamna (Sphenodus) longidens, Leonodus, Lesnilomia, Lobaticorona, Lugalepididae, Mcmurdodontidae, Meishanselache, Minuticorona, Oniscina, Ornathiliabrilance, Ornatilabrilancea, Orodontida, Orthacodus, Ostenoselachidae, Osteodonti, Parvicorona, Parvidiabolus, Parviscapha, Physonemus, Plagiostomi, Platylithophycus, Pleuracanthidae, Pleuracanthodii, Pristiorajea, Proselachii, Raineria, Rosaodus, Rugosicorona, Sacrisubcorona, Selachii, Serratocorona, Siamodus, Sphenodus, Sphenodus plana, Squalomorphi, Suaviloquentia, Thrinacodontidae, Undulaticorona, Xenacanthida
Subtaxa: Erquitaia Heterodontiformes Hypsobatis Onchopristus Orectolobiformes Rajorhina Reifia Synechodontiformes Youssoubatis
Ecology: nektonic carnivore