ammonites
Arbaciella Mortensen 1910 (sea urchin)

Echinoidea - Arbacioida - Arbaciidae

Full reference: T. Mortensen. 1910. Arbaciella elegans. Eine neue Echiniden-Gattung aus der Familie Arbaciidae. Mitteilungen aus dem Naturhistorischen Museum in Hamburg 27:327-334

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

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

Subtaxa: none

Ecology: epifaunal grazer