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