Atelostomata

The Atelostomata are a superorder of sea urchins. They are distinguished from other sea urchins by their irregular shape and the absence of a feeding lantern. The group includes the well known heart urchins, as well as some less familiar and extinct forms.

Atelostomata
Temporal range: Lower Jurassic–recent
Echinocardium cordatum.jpg
Echinocardium cordatum
Scientific classification e
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Subclass: Euechinoidea
Infraclass: Irregularia
Superorder: Atelostomata
von Zittel, 1879
Orders

Cassiduloida
Holasteroida
Spatangoida

List of ordersEdit

ReferencesEdit

  • Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 981. ISBN 0-03-056747-5.
  • Kroh A, Mooi R (eds.). "Atelostomata". World Echinoidea Database. World Register of Marine Species.