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nouncolonial coelenterates having the polyp phase dominant
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Definition that contains hydrozoan
- jellyfish any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans
- hydra small tubular solitary freshwater hydrozoan polyp
- siphonophora marine colonial hydrozoans
- planula the flat ciliated free-swimming larva of hydrozoan coelenterates
- zooid one of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan
- order siphonophora marine colonial hydrozoans