Echinacea_(animal)

Echinacea (animal)

Echinacea (animal)

Superorder of sea urchins

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.

Quick Facts Scientific classification, Orders ...

Echinacea are part of Animalia (kingdom), Echinodermata (phylum), Echinozoa (subphylum), Echinoidea (class), Euechinoidea (subclass), Carinacea (infraclass).

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

  1. [1]
    "Echinacea WoRMS taxon details". World Register of Marine Species. Retrieved 29 July 2014.


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