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Phylum Nemertea
The Phylum Nemertea (1150 spp.) is predominantly marine, but ca. 25 species are known from fresh waters. Three species in two genera are known from North America (Sundberg & Gibson, 2008).
Publisher - University of Wisconsin-Stevens Point
Subjects - Nemertea
http://winvertebrates.uwsp.edu/Nemertea.html
Citation: Graf DL. 2013. Phylum Nemertea. Stevens Point, WI: University of Wisconsin-Stevens Point. http://winvertebrates.uwsp.edu/Nemertea.html
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