Echinoidea - Arbacioida - Arbaciidae

Full reference: C. A. White. 1887. Contribuicoes a paleontologia do Brazil. Archivos do Museu Nacional do Rio de Janiero 7:1-273

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, Magnosia, Pleiocyphus, Podocidaris

Subtaxa: none

Ecology: epifaunal grazer