Tricladida


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Tricladida

[trī′klad·əd·ə]
(invertebrate zoology)
The planarians, an order of the Turbellaria distinguished by diverticulated intestines with a single anterior branch and two posterior branches separated by the pharynx.
References in periodicals archive ?
With regard to food availability, we found individuals from 3 phyla: Platyhelminthes (1 taxon: Family Dugesiidae, Order Tricladida, Class Turbellaria), Annelida (1 taxon: Order Oligochaetha, Class Clitellata), and Arthropoda (16 taxa: Class Arachnida and Class Insecta).