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and Medusozoa. There are around 3800 species within the clade Medusozoa and it consists of Cubozoans, Scyphozoans, and Hydrozoans.

Hydroidolina are small predatory animals, ranging in 8-30 millimeters in size, exhibiting radial symmetry and are diploblastic (developed from two embryonic layers: ectoderm and endoderm).

The

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