Cnideria (Coelenterata)

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Cnideria (Coelenterata)
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Phylum Cnideria

• Scyphozoa True Jellyfish (all marine)
• Anthozoa Anemones, corals (all marine)
• Hydrozoa Hydroids, Hydra, Craspedacusta

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Hydra
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Zoochlorellae in body wall
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Tentacle with nematocysts
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Craspedacusta sowerbyi
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Life Cycle of Craspedacusta sowerbyi
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New medusa
Mature medusa with gonads
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Frustule
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Cordylophora lacustris

• colonial polyp
• mostly brackish
• also found inland