†family Lepidesthidae Jackson 1896 (sea urchin)
Echinoidea - Perischoechinoidea
Parent taxon: Echinocystitoida according to A. Boczarowski 2001
Sister taxa: Aptilechinus, Cavanechinus, Devonocidaris, Echinocyctitidae, Echinocystitidae, Fournierechinus, Ledidocidaris, Tornquistellus
Subtaxa: Lepidesthes, Meekechinus
Type: Lepidesthes
Ecology: slow-moving low-level epifaunal detritivore