Euechinoidea

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Euechinoidea Temporal range: Late Triassic – Recent PreꞒ Ꞓ O S D C P T J K Pg N
Paracentrotus lividus
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Subclass:	Euechinoidea Bronn, 1860
Superorders
Diadematacia Echinacea Gnathostomata Atelostomata

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
  • Order Aspidodiadematoida
  • Order Diadematoida
  • Order
  • 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
    • Order †

• 

  Spatangus purpureus

• 

  Astropyga radiata

• 

  Paracentrotus lividus

• 

  Echinocyamus pusillus

• 

  Asthenosoma varium.

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