1. Starfish

2. Dried Specimens

3. Common Starfish Class Asteroidea
Aboral
view

4. trivium
bivium

5. anterior arm
central disc
arms

6. Madreporite

7. bivium
madreporite
stone canal
trivium

8. madreporite
peristome
stone canal

9. radial canal
circular canal
peristome

10. Arms
Oral view
Ambulacral
Grooves
Mouth

11. Spines
Tube
feet

12. Preserved Specimens

13. madreporite
anterior
arm

14. bivium
central
disk

15. ambulacral
grooves
mouth

16. mouth
tube feet
peristome

17. intestine
pyloric stomach
anus
intestinal caecum

18. pyloric stomach
pyloric caecum
pyloric duct

19. Pyloric stomach
Pyloric caecum

20. Pyloric
stomach

21. Pyloric
caecae

22. Gonads

23. Cardiac
stomach

24. cardiac stomach
peristome

25. Cardiac stomach

26. ampulla
circular canal
radial canal
polian vesicle

27. ampulla
tube feet
radial canal