Echinoidea - Spatangoida - Schizasteridae
Alternative spelling: Dipneustes
Parent taxon: Schizaster according to K. J. McNamara and G. M. Philip 1980
Sister taxa: Schizaster (Ova), Schizaster (Paraster), Schizaster (Schizaster), Schizaster alcaldei, Schizaster americana, Schizaster bathypetalus, Schizaster beckeri, Schizaster brachypetalus, Schizaster californicus, Schizaster camagueyensis, Schizaster cartagensis, Schizaster cojimarensis, Schizaster compactus, Schizaster cordiformis, Schizaster costaricensis, Schizaster cristatus, Schizaster cubensis, Schizaster cubitabellae, Schizaster delgadoi, Schizaster diabloensis, Schizaster doederleini, Schizaster dumblei, Schizaster egozcuei, Schizaster fernandezi, Schizaster floridanus, Schizaster formelli, Schizaster gerthi, Schizaster habanensis, Schizaster lecontei, Schizaster llagunoi, Schizaster martinezensis, Schizaster moronensis, Schizaster munozi, Schizaster neuvitasensis, Schizaster panamensis, Schizaster pastelilloensis, Schizaster rimosus, Schizaster rojasi, Schizaster salutis, Schizaster sanctamariae, Schizaster sandiegensis, Schizaster santanae, Schizaster schlosseri, Schizaster sierrai, Schizaster sphenoides, Schizaster stalderi, Schizaster studeri, Schizaster subcylindricus
Subtaxa: Schizaster (Dipneustes) aturicus Schizaster (Dipneustes) fosteri
Distribution: found only at Swan Reach, Murray River (Miocene of Australia)