jackdaw
jackdaw Gregarious black-and-grey bird that frequents open country near buildings or cliffs. Smaller than its relative, the
crow, it has a grey head and white-rimmed eyes. It lives in colonies. Family Corvidae; species Corvus monedula.
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Nemertinea
Book article from: The Columbia Encyclopedia, Sixth Edition
Nemertinea , phylum of elongated, often flattened, marine Worms , sometimes called...grooves are believed to have a chemoreceptive or endocrine function. Nemertinea is the most primitive phylum that has developed a closed circulatory system...
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Nemertini
Book article from: A Dictionary of Zoology
Nemertini ( Rhyncocoela , Nemertea , Nemertinea , proboscis worms , ribbon worms ) A phylum of unsegmented, nonparasitic worms which are bilaterally symmetrical and elongate...
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ribbon worm
Book article from: The Columbia Encyclopedia, Sixth Edition
ribbon worm see Nemertinea .
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worm
Book article from: The Columbia Encyclopedia, Sixth Edition
...well as the parasitic flukes (class Trematoda) and tapeworms (class Cestoda). The nemertines, or ribbon worms (phylum Nemertinea ), are often colorful marine carnivores with an extensible proboscis. The smallest species are only a fraction of an inch...
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