Aurelia : draw and labelled diagram
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Aurelia
1. It is a cosmopolitan jelly fish which is found in coastal waters.
2. The adults are exclusively medusoia forms.3. The polyp is represented by schyphistoma and hydra tuba stages.
3. The polyp is represented by schyphistoma and hydra tuba stages
4. The body is like an inverted bowl or umbrella and is radially symmetrical. The margins of umbrella bear tentacles and is notched at 8 points.
5. Each notch has a pair of soft & leaf – like marginal lappet and one tentaculocyst in between the lappets.
6. The outer convex surface of bowl is known as umbrella surface and the lower concave surface as subumbrellar surface.
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