Trachymedusae
cnidarian suborder
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annotated classification
- In cnidarian: Annotated classification
Suborder Trachymedusae Smooth bell margin; gonads on radial canals arising from the stomach. Polyp and asexual reproduction absent. Class Scyphozoa Exclusively marine group in which acraspedote medusae predominate. Life histories commonly involve alternation of a very small polyp, the scyphistoma, with a medusa, which develops from
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