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Definition of Ribbon worm
1. Noun. Soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract. 
Exact synonyms: Nemertean, Nemertine, Proboscis Worm
Generic synonyms: Worm
Group relationships: Nemertea, Nemertina, Phylum Nemertea, Phylum Nemertina
Generic synonyms: Worm
Group relationships: Nemertea, Nemertina, Phylum Nemertea, Phylum Nemertina



