Echinoidea - Perischoechinoidea

Parent taxon: Echinocystitoida according to A. Boczarowski 2001

Sister taxa: Aptilechinus, Cavanechinus, Devonocidaris, Echinocyctitidae, Echinocystitidae, Fournierechinus, Ledidocidaris, Tornquistellus

Subtaxa: Lepidesthes, Meekechinus

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Type: Lepidesthes

Ecology: slow-moving low-level epifaunal detritivore