Echinoidea - Arbacioida - Arbaciidae

Full reference: A. Agassiz. 1869. Preliminary report on the echini and starfishes dredged in deep water between Cuba and the Florida Reef, by LF de Pourtalès, Assist. US Coast Survey. Bulletin of the Museum of Comparative Zolology at Harvard College 1:253-308

Parent taxon: Arbaciidae according to H. B. Fell and D. L. Pawson 1966

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

Subtaxa: none

Ecology: epifaunal grazer