| turbellaria | <zoology> An extensive group of worms which have the body covered externally with vibrating cilia. It includes the Rhabdocoela and Dendrocoela. Formerly, the nemerteans were also included in this group. Source: Websters Dictionary (01 Mar 1998) |
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| turbellarian | <zoology> One of the Turbellaria. Also used adjectively. Source: Websters Dictionary (01 Mar 1998) |