Euechinoidea

Updated on Dec 24, 2023

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Kingdom Animalia Scientific name Euechinoidea Rank Subclass		Phylum Echinodermata Higher classification Sea urchin

Lower classifications Sand dollar, Spatangoida, Echinoida, Paracentrotus, Psammechinus miliaris

The subclass Euechinoidea includes almost all living species of sea urchin, and fossil forms going back as far as the Triassic.

Taxonomy

List of orders according to World Register of Marine Species :

Infra-classis Acroechinoidea

Order Aspidodiadematoida

Order Diadematoida

Order Micropygoida

Order Pedinoida

Infra-classis Carinacea

Super-order Calycina

Order Phymosomatoida †

Order Salenioida

Super-order Echinacea

Order Arbacioida

Order Camarodonta

Order Stomopneustoida

Order Echinothurioida

Infra-classis Irregularia

Super-order Atelostomata

Order Holasteroida

Order Spatangoida

Order Echinoneoida

Order Holectypoida †

Super-order Neognathostomata

Order Cassiduloida

Order Clypeasteroida

Order Echinolampadoida

Order Nucleolitidae †

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