Cnidaria is a phylum containin mair nor 10,000[5] species o ainimals fand anely in aquatic an maistly marine environments, exceptin for hydras an some speices o loch-livers.

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


  1. Classes in Medusozoa based on "ITIS Report – Taxon: Subphylum Medusozoa". Universal Taxonomic Services. Retrieved 18 Mairch 2018.
  2. Collins, A.G. (Mey 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 original (PDF) on 22 September 2006. Retrieved 27 November 2008. Unknown parameter |dead-url= ignored (help)
  3. Subphyla Anthozoa and Medusozoa based on "The Taxonomicon – Taxon: Phylum Cnidaria". Universal Taxonomic Services. Archived frae the original on 29 September 2007. Retrieved 10 Julie 2007. Unknown parameter |deadurl= ignored (help)
  4. Steele, Robert E.; Technau, Ulrich (15 Apryle 2011). "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.