Echinoidea - Temnopleuroida

Parent taxon: Temnopleuroida according to J. J. Sepkoski 2002

Sister taxa: Ambipleurus, Arbacina, Asaphechinus, Cryptechinus, Echinopsis, Gagaria, Hebertia, Medocechinus, Micropsidia, Pentechinus, Prionechinus, Tatechinus

Subtaxa: none

Ecology: slow-moving low-level epifaunal grazer