Question

in which phylum is leech included?

Answer 1

Leech. Leeches are segmented parasitic or predatory worm-like animals that belong to the phylum Annelida and comprise the subclass Hirudinea. They are closely related to the oligochaetes, which include the earthworms, and like them have soft, muscular, segmented bodies that can lengthen and contract.
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Answer 2

Here is the answer of your question

Leechs are included in ANNELIDA phylum.
The body of leech is soft, elongated and cylindical.

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