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Gateway to the Paleobiology Database
Order Diadematoida Duncan 1889 (sea urchin)

Echinoidea - Euechinoidea

PaleoDB taxon number: 32851

Full reference: P. M. Duncan. 1889. A revision of the genera and great groups of the Echinoidea. Journal of the Linnean Society, Zoology 23:1-311

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

Sister taxa: Aspidodiadematoida, Carinacea, Micropygoida, Nicolleaumatidae, Orthopsida, Pedinoida

Subtaxa: Ancylocidaris, Diadematidae, Endeodiadema, Engelia, Helodiadema, Heteropedina, Macrodiadema

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Ecology: slow-moving low-level epifaunal grazer