Tyler, Seth Department of Zoology, University of Maine, Orono, Maine.
- Growth and asexual reproduction
- Body form
- Head and nervous system
- Sexual reproduction
- Links to Primary Literature
- Additional Readings
A small group of turbellarian worms, constituting one of the two major groups of the phylum Platyhelminthes. The Catenulida comprises about 100 species, whereas the Rhabditophora, the other major group of the Platyhelminthes, comprises thousands of species, including the rest of the turbellarians and the major parasitic groups, the flukes and tapeworms. See also: Platyhelminthes; Turbellaria
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