†family Nenoticidaridae Vadet 1988 (pencil urchin)
Parent taxon: Cidaroida according to A. Vadet et al. 2002
Sister taxa: Cidaridea, Delocidaris, Diplocidaridae, Dorocidaris, Fellius, Hirudocidaris, Histocidaridea, Leurocidaris, Menocidaris, Mesodiadema, Mikrocidari, Minicidaris, Miocidaridae, Oedematocidaris, Palmerius, Polycidaridae, Prophyllacanthus, Rhabdocidaridae, Serpianotiaridae, Tretocidaris, Triadotiaridae
Subtaxa: Nudicidaris
Ecology: slow-moving low-level epifaunal grazer-omnivore