Appendix: Classification

Class Anthozoa

Subclass Octocorallia (or Alcyonaria)

  • Order Stolonifera (organ-pipe coral and tree fern coral)
  • Order Telestacea (Telesto)
  • Order Alcyonacea (soft corals such as leather corals and tree corals)
  • Order Coenothecalia (Indo-Pacific blue coral)
  • Order Gorgonacea (gorgonian corals including sea fans, red coral, sea whips, and sea feathers)
  • Order Pennatulacea (sea pens and sea pansies)

Subclass Zoantharia

  • Order Zoanthidea (anemonelike anthozoans)
  • Order Actiniaria (sea anemones)
  • Order Scleractinia or Madreporaria (reef-building corals such as star corals, brain corals, staghorn corals, mushroom corals, and bubble corals)
  • Order Rugosa or Tetracoralla (extinct solitary corals)
  • Order Corallimorpharia (resemble true corals but lack skeletons)
  • Order Ceriantharia (anemonelike anthozoans)
  • Order Antipatharia (black corals)

Subclass Tabulata (extinct colonial anthozoans)