Suborder Diademina Duncan 1889 (sea urchin)
Parent taxon: Aulodonta according to G. M. Philip 1963
See also Clark and Twitchell 1915
Sister taxon: Centrechinidae
Subtaxa: Cyphosomatidae
Ecology: epifaunal grazer-deposit feeder
Distribution: found only at Hinglaj Group (Pliocene of Pakistan)