Clade Cidarinae Gray 1825 (pencil urchin)
Echinoidea - Cidaroida - Cidaridae
PaleoDB taxon number: 141952
Alternative spelling: Cidarina
Parent taxon: Cidaridae according to A. Kroh and A. B. Smith 2010
Sister taxa: Centrocidaris, Cidarini, Cidaris, Dorocidaris, Hesperocidaris, Prionocidaris, Rhabdocidarinae, Stereocidarinae, Stylocidarinae, Triassicidaris
Subtaxa: Alpicidaris, Cyathocidaris, Leiocidaris, Phyllacanthus, Stylocidaris
Type: Cidaris
Ecology: slow-moving low-level epifaunal grazer-omnivore