Spinulosida

Spinulosida

Spinulosida

Order of starfishes

The Spinulosida are an order of sea stars containing at least 120 species in seven genera and one family.

Quick Facts Scientific classification, Families ...

Spinulosids completely lack pedicellariae and have a delicate skeletal arrangement. Their name comes from the presence of numerous low spines on the aboral (upper) surface.[2] No fossil spinulosids have yet been found.[3]

Taxonomy

The following family is recognised by the World Register of Marine Species:[1]

References

  1. [1]
    Mah, C. (2015). Mah CL (ed.). "Spinulosida Perrier, 1884". World Asteroidea database. World Register of Marine Species. Retrieved 2015-07-23.
  2. [2]
    Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 948. ISBN 0-03-056747-5.
  3. [3]
    "Asterozoa: Fossil groups: SciComms 05-06: Earth Sciences". Palaeo.gly.bris.ac.uk. 2005-11-22. Retrieved 2010-07-30.


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