Echinoidea - Arbacioida

Alternative spelling: Arbaciadae

Synonym: Coelopleuridae Märkel 1969 [invalid subgroup]

Full reference: J. E. Gray. 1855. Catalogue of the Recent Echinida, or Sea Eggs, in the Collection of the British Museum. Part I. Echinida Irregularia. Woodfall & Kinder, London 1-69

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

Sister taxa: Acropeltidae, Dialithocidaris, Glypticidae, Pygmaeocidaris, Tetrapygus

Subtaxa: Acropeltis, Acrosaster, Arbacia, Arbaciella, Arbia, Atopechinus, Baueria, Codiopsis, Coelopleurus, Cottaldia, Glypticus, Goniopygus, Heteropodia, Magnosia, Pleiocyphus, Podocidaris

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Type: Arbacia

Ecology: epifaunal grazer