
Tricladida (triclads) is an order of turbellarians, a group of free-living flatworms. They are also known as planarians, although this common name is also used for a wide number of free-living platyhelminthes. The triclads are characterized by triply branched intestine and anteriorly situated ovaries, next to the brain. Today the order Tricladida ...
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http://en.wikipedia.org/wiki/Tricladida

Tricladida is an order of Turbellaria with an intestine having three main branches. The sense organs are frequently well developed.
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http://www.probertencyclopaedia.com/browse/BT.HTM
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