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2. Phylum PORIFERA

3. Phylum CNIDARIA

4. Phylum
CTENOPHORA

5. Phylum PLATYHELMENTHIES

6. Phylum NEMERTEA

7. Phylum NEMATODA

8. Phylum ANNELIDA

9. SIPUNCULA

10. ECHIURA

11. GASTROPODA
(class)

12. BIVALVIA/
PELECYPODA

13. Class CEPHALAPODA

14. POLYPLACOPHORA

15. Class CRUSTACEANS

16. MEROSTOMATA

17. ECTOPROCTA

18. PHORONIDA

19. BRACHIOPODA

20. CHAETOGNATHA

21. ASTEROIDEA

22. ECHINOIDEA

23. OPHIUROIDEA

24. HOLOTHURIAN

25. CRINOIDEA

26. HEMICHORDATE

27. AGNATHA

28. Phylum CHONDRICHTHYES

29. Class OSTEICHTHYES

30. AMPHIBIA – crab-eating frog is only known marine amphibian

31. REPTILIA

32. AVES

33. MAMMALIA