Euechinoidea

Euechinoidea Temporal range: Late Triassic – Recent PreꞒ Ꞓ O S D C P T J K Pg N
Paracentrotus lividus
Scientific classification
Domain:	Eukaryota
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, with fossil forms going back as far as the Triassic.[1][2]

Taxonomy

List of orders according to World Register of Marine Species:

• Infraclass Acroechinoidea
  • Order Aspidodiadematoida
  • Order Diadematoida
  • Order Micropygoida
  • Order Pedinoida
• Infraclass Carinacea
  • Superorder Calycina
    • Order Phymosomatoida†
    • Order Salenioida
  • Superorder Echinacea
    • Order Arbacioida
    • Order Camarodonta
    • Order Stomopneustoida
• Order Echinothurioida
• Infraclass Irregularia
  • Superorder Atelostomata
    • Order Holasteroida
    • Order Spatangoida
  • Order Echinoneoida
  • Order Holectypoida†
  • Superorder Neognathostomata
    • Order Cassiduloida
    • Order Clypeasteroida
    • Order Echinolampadoida
    • Order Nucleolitidae†

• 
  Spatangus purpureus
• 
  Astropyga radiata
• 
  Paracentrotus lividus
• 
  Echinocyamus pusillus
• 
  Asthenosoma varium.

References

1. Radwańska, Urszula (2014-12-10). "A Monograph of the Polish Oxfordian Echinoids: Part 2, Subclass Euechinoidea Bronn, 1860". Acta Geologica Polonica. 64 (3): 325–349. Bibcode:2014AcGeP..64..325R. doi:10.2478/agp-2014-0017. ISSN 2300-1887.
2. Collard, Marie; Dery, Aurélie; Dehairs, Frank; Dubois, Philippe (2014-08-01). "Euechinoidea and Cidaroidea respond differently to ocean acidification". Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology. 174: 45–55. doi:10.1016/j.cbpa.2014.04.011. ISSN 1095-6433. PMID 24786105.