User:Pooja srivastava/E-Museum/Coelentrata

General characters of Coelenterata

• Coelenterata includes two animal phyla, the Ctenophora (comb jellies) and the Cnidaria (coral animals, true jellies, sea anemones, sea pens, and their allies).
  
• The term coelenterate is no longer recognized as scientifically valid, as the Cnidaria and Ctenophora are placed at equal rank under the Metazoa with the other phyla of animals.
  
• Phylum cnidaria contains over 10,000 species of animals found exclusively in aquatic and mostly marine environments.
  
• Coelentrates  are multicellular animals.
  
• They contain  hollow body cavity  known as coelom
  
• They are aquatic and mostly marine in nature.
  

Some Common Examples 4. Study of, Obelia, Sertularia, Physalia, Millepora, Aurelia, Scyphistoma and Ephyra larvae, Tubipora, Metridium (including T.S. and L.S).