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cnidaria
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Characteristics of Cnidaria (hydras, jellyfish, corals,
and sea anemones)
coralhub.info
Mouth/Anus
Cnidaria have a mouth. They do not have an anus.
Example of radial symmetry - bio1152.nicerweb.com
Symmetry
Cnidaria have radial symmetry.
University of Alaska Southeast
Skeleton
Cnidaria have soft skeletons. Hard corals secrete CaCO
3.
Jellyfish Tentacles - c2.staticflickr.com
Other external recognition features
Cnidaria have tentacles arranged in rings around the mouth, with stinging cells (jellyfish).
Home
Plant Phyla
Bryophyta
Filicinophyta
Coniferophyta
Angiospermophyta
Animal Phyla
Invertebrates
>
Porifera
Cnidaria
Platyhelminthes
Mollusca
Annelida
Arthropoda
Vertebrates - Chordates
>
Ray-finned Fish
Reptiles
Mammals
Amphibians
Birds