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Gateway to the Paleobiology Database
Family Cidaridae Gray 1825 (pencil urchin)

Echinoidea - Cidaroida

PaleoDB taxon number: 111933

Full reference: J. E. Gray. 1825. An attempt to divide the Echinida, or Sea Eggs, into natural families. Annals of Philosophy, new series 10:423-431

Parent taxon: Cidaridea according to A. Kroh and A. B. Smith 2010

Sister taxa: Ctenocidaridae, Goniocidarinae, Paurocidaris, Plegiocidaris, Psychocidaridae

Subtaxa: Cidarinae, Cidarini, Cidaris, Prionocidaris, Rhabdocidarinae, Stereocidarinae, Triassicidaris

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Ecology: slow-moving low-level epifaunal grazer-omnivore