Echinoidea - Perischoechinoidea - Echinocystitidae

Parent taxon: Echinocystitidae according to P. M. Kier 1966

Sister taxa: Echinocystites, Perischocidaris, Pronechinus, Rhenechinus

Subtaxa: none

Ecology: slow-moving low-level epifaunal detritivore