Family Diadematidae Gray 1855 (sea urchin)

Echinoidea - Diadematoida - Diadematidae

Full reference: J. E. Gray. 1855. Catalogue of the Recent Echinida, or Sea Eggs, in the Collection of the British Museum. Part I. Echinida Irregularia. Woodfall & Kinder, London 1-69

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

See also Fell 1966 and Philip 1963

Sister taxa: Ancylocidaris, Endeodiadema, Engelia, Helodiadema, Heteropedina, Macrodiadema

Subtaxa: Centrostephanus Echinothrix Eodiadema Kierechinus Mesodiadema Palaeodiadema Pedinothuria

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Type: Diadema

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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