Practical One

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Across
  1. 4. order of hard corals
  2. 6. calcareous sponge genus
  3. 7. genus of sea fan
  4. 9. glass sponges
  5. 10. sponge phylum
  6. 14. calcareous sponges
  7. 16. subclass of 8 fold symmetry corals
  8. 17. genus of moon jellyfish
  9. 18. genus of hydra
  10. 20. order of soft corals
  11. 22. class of hydra
Down
  1. 1. subclass of six fold symmetry corals
  2. 2. common sponges
  3. 3. genus of wine glass hydrioids
  4. 4. order of colonial zooid hydrozoans
  5. 5. order of anemones
  6. 8. order of true jellyfish
  7. 11. corals and anemones
  8. 12. jelly fish phylum
  9. 13. glass sponge genus
  10. 15. class of true jellyfish
  11. 19. class of hydra
  12. 21. genus of Portuguese man o war