Echinacea (animal)
The Echinacea are a superorder of sea urchins. They are distinguished by the presence of a rigid test, with ten buccal plates around the mouth, and solid spines. Unlike some other sea urchins, they also possess gills. The group is a large one, with species found worldwide.
| Echinacea Temporal range: | |
|---|---|
| Echinus melo | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Infraclass: | Carinacea |
| Superorder: | Echinacea Claus, 1876 |
| Orders | |
|
(See text) | |
Child taxa
According to World Register of Marine Species:[1]
- Order Arbacioida (Gregory, 1900) -- 1 extant family and 2 fossils
- Order Camarodonta (Jackson, 1912)
- Infraorder Echinidea (Kroh & Smith, 2010) -- 5 extant families
- Infraorder Temnopleuridea (Kroh & Smith, 2010) -- 2 extant families and 2 fossils
- Order Stomopneustoida (Kroh & Smith, 2010) -- 2 extant families and 1 fossil
- Family Glyphopneustidae Smith & Wright, 1993 †
References
- "Echinacea WoRMS taxon details". World Register of Marine Species. Retrieved 29 July 2014.
- Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 980. ISBN 0-03-056747-5.
- Kroh, A.; Smith, A.B. (2010). "The phylogeny and classification of post-Palaeozoic echinoids". Journal of Systematic Palaeontology. 8 (2): 147–212. doi:10.1080/14772011003603556.
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