Corals are marine invertebrates in the class Anthozoa o phylum Cnidaria. Thay teepically live in compact colonies o mony identical individual polyps. The group includes the important reef biggers that inhabit tropical oceans an secrete calcium carbonate tae form a haurd skelet.

ReferencesEedit

  1. Hoeksema, Bert (2015). "Octocorallia". WoRMS. World Register of Marine Species. Retrieved 24 Apryle 2015.
  2. Hoeksema, Bert (2015). "Hexacorallia". WoRMS. World Register of Marine Species. Retrieved 24 Apryle 2015.