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Megacidaris (pencil urchin)

Echinoidea - Cidaroida - Cidaridae

PaleoDB taxon number: 32805

Parent taxon: Rhabdocidarinae according to H. B. Fell 1966

Sister taxa: Chondrocidaris, Parhabdocidaris, Plococidaris, Porocidaris

Subtaxa: none

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