USGS: Science Topics: segmented worms

Science Topics

Segmented worms

Worms belonging to the phylum Annelida, with soft bodies divided into segments and distinct heads. Includes leeches, earthworms, and marine worms.

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Insects, arachnids, & annelids [New Window]: Website for links to USGS and non-USGS websites with information on insects, arachnids, and annelids suitable for students and arranged by grade levels.
Nonindigenous annelid distribution information [New Window]: Descriptions of annelids and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on annelids.

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U.S. Department of the Interior | U.S. Geological Survey
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