1. Cnidarians
General Features
of the Major Classes

2. Representative of Cnidarians

3. Parts of Obelia hydroids –
Obelia hydroids

4. Medusa versus Polyp

5. Comparison of Medusa and Polyp forms of Cnidaria

6. Detailed anatomy of a Hydrozoa-
Hydra sp

7. Germ layers of Diploblastic animal- Cnidaria

8. Cross Section of a Hydra- Hydrozoa

9. Parts of an Obelia

10. Life Cycle of Obelia Hydroids

11. Details of a Cnidaria anatomy

12. Cross Section of a Scyphozoan

13. Anatomy of a Scyphozoan

14. Crosss section of a Scyphozoan

15. Internal anatomy of Metridium
Anthozoa

16. Aglaophenia sp

17. • Aglaophenia spp

18. Anatomy of Sea Anemone

19. Sea-Pens

20. Mentridium spp- sea anemone