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Temporal range: 580–0 Ma
Fower examples o cnidaria :
Scientific classification e
Kinrick: Animalia
Subkinrick: Eumetazoa
Phylum: Cnidaria
Hatschek, 1888
Teep species
Nematostella vectensis[4]
Subphyla[3] and classes

Cnidaria is a phylum containin ower 10,000[5] species o ainimals foond exclusively in aquatic an maistly marine environments.

References[eedit | eedit soorce]

  1. Classes in Medusozoa based on "ITIS Report – Taxon: Subphylum Medusozoa". Universal Taxonomic Services. Retrieved 2018-03-18. 
  2. Collins, A.G. (May 2002). "Phylogeny of Medusozoa and the Evolution of Cnidarian Life Cycles" (PDF). Journal of Evolutionary Biology. 15 (3): 418–432. doi:10.1046/j.1420-9101.2002.00403.x. Archived frae the oreeginal (PDF) on 2006-09-22. Retrieved 2008-11-27. 
  3. Subphyla Anthozoa and Medusozoa based on "The Taxonomicon – Taxon: Phylum Cnidaria". Universal Taxonomic Services. Archived frae the oreeginal on 2007-09-29. Retrieved 2007-07-10. 
  4. Steele, Robert E.; Technau, Ulrich (2011-04-15). "Evolutionary crossroads in developmental biology: Cnidaria". Development (in Inglis). 138 (8): 1447–1458. doi:10.1242/dev.048959. ISSN 0950-1991. PMID 21389047. 
  5. Zhang, Z.-Q. (2011). "Animal biodiversity: An introduction to higher-level classification and taxonomic richness" (PDF). Zootaxa. 3148: 7–12.