Chondrichthyes - Elasmobranchii
Full reference: W. E. Reif. 1978. Tooth enameloid as a taxonomic criterion 2. Is "Dalatias" barnstonensis Sykes, 1971 (Triassic, England) a squalomorphic shark?. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte 1978(1):42-58
Parent taxon: Elasmobranchii according to H. Botella et al. 2009
Sister taxa: Adamantina, Annulicorona, Antarctilamniformes, Arduodens, Carcharopsis, Carinasubcorona, Celtiberina, Changxingselache, Cladodontida, Cladodontomorphi, Cladoselachida, Cladoselachii, Cladoselachimorpha, Coronodontida, Euselachiformes, Fragilicorona, Galea, Galeiformes, Glabrisubcorona, Gondwanodus, Holocephali, Ichtyotomi, Jalodontidae, Kannathalepididae, Labrilancea, Leonodus, Lesnilomia, Lobaticorona, Meishanselache, Omalodontiformes, Ornathiliabrilance, Orodontida, Osteodonti, Parvicorona, Phoebodontiformes, Plesioselachus, Pleuracanthidae, Pleuracanthodii, Pristiorajea, Protodontidae, Sacrisubcorona, Serratocorona, Siamodus, Xenacanthida, Xenacanthimorpha
Subtaxa: Pseudodalatias
Ecology: nektonic carnivore