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 | |
|---|---|
 | |
| Echinocardium cordatum | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Subclass: | Euechinoidea |
| Infraclass: | Irregularia |
| Superorder: | Atelostomata von Zittel, 1879 |
| Orders | |
List of orders
- order Holasteroida (Durham & Melville, 1957)
- order Spatangoida (L. Agassiz, 1840)
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References
- 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.
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