An animal is dorsoventrally flattened,has three embryonic germ layers,and is acoelomate. Which phylum does it belong to? What are they commonly called? Give one example.

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(N/A) The animal belongs to the phylum $Platyhelminthes$.
They are commonly called 'flatworms' because of their dorsoventrally flattened bodies.
One example is $Planaria$ (or $Fasciola$ / Liver fluke,or $Taenia$ / Tapeworm).

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