1. Kingdom: Animalia Phylum: Cnidaria

2. Cnidarians Show examples
Sea anemone, jellyfish (jellies), corals, hydra
10,000 marine species
Have specialized tissues can swim and catch prey
Radial symmetry (sliced like a pizza)
2 stages in life
Polyp
Medusa

8. Are carnivorous, digest food in “gut”
Body plan - central mouth/anus surrounded by tentacles
Are carnivorous, digest food in “gut”
Have nerve cells and nerve net - Primitive nervous system (no brain)
Having stinging nematocysts in cnidocytes

16. Portuguese man-of-war

25. Diversity of Cnidarians - Medusozoa
Semaeostomeae
Coronatae
Cubomedusae
Stauromedusae
Rhizostomeae
Actinulida
Limnomedusae
Trachymedusae
Narcomedusae
Anthoathecata
Leptothecata
Laingiomedusae
Siphonophora

26. More Diversity of Cnidarians
Actiniaria
Antipatharia
Ceriantharia
Zoanthidea
Corallimorpharia
Scleractinia

27. Even more Diversity of Cnidarians
O. Alcyonacea
O. Helioporacea
O. Pennatulacea
Blue coral
2 families
Sea pens
14 families
Soft corals & sea fans
29 families

28. 10,000 – 11,000 Species of Cnidarians
Medusozoa
Anthozoa
Scyphozoa
Cubozoa
Hydrozoa
Octocorallia
Hexacorallia
Staurozoa