1. Kingdom:Animalia
Subkingdom1 :
Parazoa
Subkingdom2 :
Metazoa

2. Multicellular animals
Kingdom:Animalia
Multicellular animals
Subkingdom2 :
Metazoa
Tissue ,organ or system level of organization

3. 1-Tissue level of organization
Phylum:Cnidaria
1-Tissue level of organization

4. Phylum:Cnidaria
2-Diploblastica
Ectoderm
Mesogloea
Endoderm

5. 3-Have stinging cells (Nematocysts)

6. 3-Have a phenomena of alternation of generation
Polyp
Medusa

8. Polyp Medusa sessile Free swimming Reproduce a sexually
Reproduce sexually
Solitary or Colonial
Solitary

9. Phylum:Cnidaria
Four classes
According to:
Polyp and Medusa
Gonads

10. Phylum:Cnidaria
Class1:Hydrozoa
Class2:Scyphozoa
Class3:Cubozoa
Class4:Anthozoa

11. Polyp and Medusa are present during the life cycle
Class1:Hydrozoa
Polyp and Medusa are present during the life cycle
Gonads develop from ectoderm

12. Class1:Hydrozoa Order1: Order2: Hydroida Hydrocorallina Order3:
Siphonophora

13. Skeleton may be present or absent and if present it is exo- skeleton
Order1:
Hydroida
Polyp is permanent during the life cycle meanwhile Medusa may be present or absent
Skeleton may be present or absent and if present it is exo- skeleton
Polyp may be solitary or colonial

14. Order1:
Hydroida
Suborder1:
Gymnoblastea
Suborder2:
Calyptoblastea

15. Skeleton is absent Suborder1: Polyp only present Polyp is solitary
Gymnoblastea
Polyp only present
Polyp is solitary
Skeleton is absent

16. Suborder1:
Gymnoblastea
Hydra sp.

17. Hydra sp.

18. Hydra sp.

19. Skeleton is present it is exo- skeleton
Suborder2:
Calyptoblastea
Polyp and medusa present
Skeleton is present it is exo- skeleton
Polyp colonial

20. Suborder2:
Calyptoblastea
Obelia sp.

21. Obelia sp.

22. Order 2: Hydrocorallina (Milliporina)
Colonial state
Calcareous exoskeleton
Ex. :Millipora sp.
(Fire corals)

23. Order 3: Siphonophora Ex: Physalia physalis Without exoskeleton
Medusa carrying polyps
Polyps are ( gastozoaid – gonozoaid – dactylozoaid)
Ex: Physalia physalis
(portogus man of war)

25. Class2:Scyphozoa
Medusa only present
Gonads from endoderm

26. Medusa has four oral arms
Class2:Scyphozoa
Order1: Discomedusae
Medusa has disc or umbrella shape
Medusa has four oral arms
Medusa has marginal tentacles

27. Aurelia sp (moon jelly fish(
Order1: Discomedusae
Aurelia sp (moon jelly fish(

28. Aurelia sp (moon jelly fish)

29. Order2: Rhizostomea Ex: Rhizostoma sp Ex: Cassiopia sp
Bowl shape or dome shape medusa
8 Oral arms
8-16 Rhobilia
No marginal tentacles
Numerous suctorial mouths on oral arms
Ex: Rhizostoma sp
Ex: Cassiopia sp

30. Rhizostoma sp Dome shape (hat shape )medusa
8 oral arms with suctorial mouths
Presence of terminal tips

31. Cassiopia sp Bowl shape (saucer) medusa
8 oral arms with suctorial mouths
flat terminal tip

32. Medusa only present (box shape)
Class3:Cubozoa
Medusa only present (box shape)
Gonads from endoderm
Have 4 eyes

33. Ex: Chironex sp

34. Class4:Anthozoa
Polyp only present
Gonads from endoderm

35. Number of tentacles is six or multiply
Subclass:
Zoantharia
Number of tentacles is six or multiply
Skeleton is may be present or absent

36. Subclass:
Zoantharia
Order1: Actiniaria
(soft coral)
Order2:
Madreporaria
(stony corals)

37. Order1: Actiniaria
Has no skeleton
Polyp is solitary
Ex1: Sea anemone

38. Ex1: Sea anemone

39. Ex1: Stony corals Order2: Madreporaria Has exo-skeleton from Caco3
Polyp is solitary or colonial
Ex1: Stony corals

40. Ex1: Fungia sp

41. Ex2: Acropora sp

42. Ex3: Coelaria sp

43. Ex4: Favia sp

44. Ex5: Galaxia sp