Chondrichthyes - Pleuracanthidae
Parent taxon: Elasmobranchii according to C. R. Eastman 1903
See also Hay 1902 and Heintz 1934
Sister taxa: Agaleidae, Amelacanthus, Annulicorona, Aporomicrodus, Arduodens, Carcharopsis, Carinasubcorona, Celtiberina, Cestraciontidae, Changxingselache, Cladodontomorphi, Cladodontomorphii, Cladodus hassiacus, Cladodus wildungensis, Cladoselachida, Cladoselachii, Complanicorona, Coniunctio, Coronodontida, Eunemacanthus, Euselachiformes, Euselachii, Eychlaodus, Fragilicorona, Galeiformes, Galeomorphi, Glabrisubcorona, Gondwanodus, Ichthyodorulites, Labascicorona, Labrilancea, Lamna (Sphenodus) longidens, Lamna daviesii, Leonodus, Lesnilomia, Lobaticorona, Lugalepididae, Mcmurdodontidae, Meishanselache, Minuticorona, Oniscina, Ornathiliabrilance, Ornatilabrilancea, Orodontida, Orthacodus, Ostenoselachidae, Osteodonti, Parvicorona, Parvidiabolus, Parviscapha, Physonemus, Plagiostomi, Platylithophycus, Pleuracanthodii, Pristiorajea, Proselachii, Raineria, Rosaodus, Rugosicorona, Sacrisubcorona, Selachii, Serratocorona, Siamodus, Sphenodus, Sphenodus plana, Squalomorphi, Suaviloquentia, Thrinacodontidae, Undulaticorona, Xenacanthida
Subtaxa: none
Type: Pleuracanthus
Ecology: nektonic carnivore
Distribution: found only at Halsell Hill, Ralph Brixic farm (Permian of Texas)