grouped into orders. Authors who treat Dicyemida as an order and separate the family Conocyemidae into a different order (Heterocyemida) prefer 'Rhombozoa' as a more inclusive and unambiguous name to cover all three families.

Anatomy

Adult dicyemids range in length from 0.5 to 7 mm, and they can be easily viewed through a light microscope. They display eutely, a condition in which each adult individual of a given

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