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bootlace worm

noun
1.
a brownish-black, ribbonlike nemertean, Lineus longissimus.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for bootlace worm

bootlace worm

noun
1.
a nemertean worm, Linens longissimus, that inhabits shingly shores and attains lengths of over 6 m (20 ft)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for bootlace worm

Nemertinea

any member of the invertebrate phylum Nemertea (sometimes called Nemertinea, or Rhynchocoela), which includes mainly free-living forms but also a few parasites of crustaceans, mollusks, and sea squirts. The majority of the approximately 900 known nemertean species are found in marine habitats. Some, however, live in freshwater or on land. The name proboscis worm derives from the muscular eversible proboscis, which is housed in a chamber above the gut. This tube-shaped organ, which in many aquatic forms has a needlelike stylet, is typically used to trap the prey; in land-dwelling species it may be used for rapid movement

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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