Class Anthozoa includes Cnidaria that have no jellyfish stage. This is the largest class of cnidarians, containing over 6,000 species. A gullet extends for a short distance into the gastrovascular cavity, and septa are present, which increase the surface for digestion and absorption. Anthozoa are flower animals, including a great many beautiful and colorful organisms, e.g., the sea anemone, sea pansy, sea fan, and coral. Anthozoans are colonial or solitary organisms.
Read more: Cnidaria: Class Anthozoa http://www.infoplease.com/encyclopedia/science/cnidaria-class-anthozoa.html#ixzz3YelpX3Oz
Read more: Cnidaria: Class Anthozoa http://www.infoplease.com/encyclopedia/science/cnidaria-class-anthozoa.html#ixzz3YelpX3Oz