Subfamily Rhabdocidarinae Lambert 1900 (pencil urchin)
Echinoidea - Cidaroida - Cidaridae
Full reference: J. Lambert. 1900. Étude sur quelques échinides de l’infra-Lias et du Lias. Bulletin de la Société des Sciences Historiques et Naturelles de l’Yonne 53(2):3-57
Parent taxon: Cidaridae according to P. M. Kier 1980
See also Fell 1966, Lambert 1900 and Nisiyama 1966
Sister taxa: Centrocidaris, Cidarinae, Cidarini, Cidaris, Dorocidaris, Goniocidarinae, Hesperocidaris, Phyllacanthina, Prionocidaris, Stereocidarinae, Stylocidarinae, Triassicidaris
Subtaxa: Chondrocidaris Megacidaris Parhabdocidaris Plococidaris Porocidaris
Ecology: slow-moving low-level epifaunal grazer-omnivore
Distribution: