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Arbacina Pomel 1869 (sea urchin)

Echinoidea - Temnopleuroida

PaleoDB taxon number: 33001

Parent taxon: Temnopleuroida according to A. B. Smith 2009

Sister taxa: Ambipleurus, Asaphechinus, Cryptechinus, Gagaria, Hebertia, Medocechinus, Micropsidia, Mirechinus, Pentechinus, Prionechinus, Tatechinus

Subtaxa: none

Ecology: slow-moving low-level epifaunal grazer