1. Body dorsoverntally flattened like like a tape.
  2. Coelom absent.
  3. Specific circulatory and respiratory system absent.
  4. Endoparasitic with hooks and suckers for anchorage to the host body.
  5. Excretion by Flame cells, which are attached to branched excretory canals.

Examples: Fasciola, Polystoma

Related posts:

  1. Diagnostic features of phylum Porifera
  2. Cnidaria features

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