Most ribborn worms (phylum Nemertea) are marine and only 22 of the currently named around 1,200 species are known from freshwater habitats (mainly lakes/ponds). They are all free-living benthic forms found in all continents except Antarctica. The vast majority of species have been recorded from the Palearctic region, but this may reflect sampling efforts rather than biogeography. © 2007 Springer Science+Business Media B.V.
CITATION STYLE
Sundberg, P., & Gibson, R. (2008, January). Global diversity of nemerteans (Nemertea) in freshwater. Hydrobiologia. https://doi.org/10.1007/s10750-007-9004-6
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