1. Phylum Echinodermata Spiny skin

2. Crown of Thorns Sea Star

3. Phylum Echinodermata Spiny skin Pentamerous radial symmetry

4. Central Disk Arms

5. Phylum Echinodermata Spiny skin Pentamerous radial symmetry Water Vascular System - Tube feet

6. Tube Feet

8. Sea Star Feeding

10. Phylum Echinodermata Spiny skin Pentamerous radial symmetry Water Vascular System - Tube feet Regenerate lost body parts

11. Regeneration

12. Class Asteroidea Sea stars – five wide arms connected to central disk

13. Cushion Sea Star

14. Crown of Thorns Sea Star

16. Class Ophiuroidea Brittle Stars

17. Distinct separation between central disk and arms

19. Sponge Brittle Star

21. Basket Star

23. Class Echinoidea Sea Urchins – central “test” with spines

25. Long Spined Sea Urchin

27. Pencil Sea Urchin

29. Sand Dollar

30. Sea Biscuit

31. Class Crinoidea Feather Stars

32. Mouth on top surrounded by feeding appendages

33. Feather Star (Crinoids)

34. Crinoids

38. Class Holothuroidea Sea Cucumbers

39. Donkey Dung Sea Cucumber

40. Chocolate Chip Sea Cucumber

42. Sticky Skin Sea Cucumber