Order Diadematoida Duncan 1889 (sea urchin)

Echinoidea - Diadematoida

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

See also Fell 1966, Sepkoski 2002 and Smith 1995

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

Subtaxa: Ancylocidaris Diadematidae Endeodiadema Engelia Helodiadema Heteropedina Macrodiadema

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Ecology: slow-moving low-level epifaunal grazer

Distribution:

• Miocene of Cuba (1 collection), Germany (1), Spain (1)

• Oligocene of Germany (1)

• Eocene of Somalia (1)

• Cretaceous of Belgium (1), France (1), Germany (1), the Netherlands (1), Spain (1)

• Jurassic of France (1), the United Kingdom (3)

• Triassic of Hungary (1), Italy (1)

Total: 16 collections each including a single occurrence

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