Polycladida
plural noun
Poly·clad·i·da
| \ ˌpälēˈkladədə, -lə̇ˈk-\
Definition of Polycladida
: an order of Turbellaria comprising broad flattened often brightly colored marine flatworms in which the alimentary tract has many primary branches radiating from a central cavity, the ovaries and testes are numerous, and no vitellarium is developed
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