Phyla/class names

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Across
  1. 4. squids, cuttlefish, octopus, and nautilus are all this kind of animal, a kind of mollusk
  2. 5. Some of the most numerous animals and have significance as parasites aka roundworm (singl.)
  3. 7. known for having a retractable lophophore, these colonial feeding animals can be confused with algae (singular)
  4. 9. known for their ciliated corona for feeding, strong jaws and toes, we observed these tiny animals in class (plural)
  5. 13. you can tell the difference between a bivalve and this by its lophophore and the way it is hinged (dorso-ventral flattening), and the pedicle (singular)
  6. 15. phylum characterized by nematocysts
  7. 17. Phyla name of sponges, where demosponges have the greatest diversity
  8. 19. Class; sea cucumbers
  9. 20. Class; true sea stars
  10. 23. known for its grasping spines, this is a pelagic animal that is an ambush predator (singl.)
  11. 25. a kind of animal that can be in the class
  12. 26. Phyla that is characterized by jointed appendages and an exoskeleton
  13. 27. the bivalve that we dissected in class, part of the phyla Molllusca
Down
  1. 1. Class; urchins, sand dollars
  2. 2. _____ jelly, Aurelia aurita, is a live scyphozoan that we sketched.
  3. 3. comb jellies are in this phylum, and known for their rows of ctenes
  4. 6. spider a kind of pycnogonid in which males carry the eggs! Use a proboscis for feeding.
  5. 8. Nemerteans are known as _______ worms and pretty on polychaetes with their proboscis and stylet
  6. 10. common name for animals of Platyhelminthes (singular)
  7. 11. Water bears are in this phyla, and are some of the most extreme animals—have even visited outer space!
  8. 12. corals and sea anemones are part of this class of Cnidaria
  9. 14. fire worms (have many sharp chaetae that cause burning skin irritation)
  10. 16. phoronida, also known as _______________ worms, also have a beautiful lophophore for feeding
  11. 18. Hydrozoans include this kind of colonial animal which includes Portuguese man o’ war and velella velella (by the wind sailors)
  12. 21. made famous by the Bobbit worm Eunice, these raptorial worms have large jaws
  13. 22. includes feather duster worms and Christmas tree worms
  14. 24. Class; brittle stars, serpent stars, basket stars