But scientists have had a limited understanding of the toxic compounds deployed by the more than 1,300 ribbon-worm species (phylum Nemertea). Finally, we found another similar video showing a ...

A brief history and some fundamentals / Craig M. Young -- Phylum Porifera / Manuel Maldonado and Patricia R. Bergquist -- Phylum Cnidaria / Vicki J. Martin and Ron Koss -- Phylum Ctenophora / Mark Q.

Ribbon worm, 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, ...

The new species that was first spotted during sport dives at Ría de Arosa, Spain, belongs to the phylum Nemertea, a group of predatory worms that use venom to immobilize their prey. It has been ...

The phylum Nemertea, commonly known as ribbon worms, has long presented taxonomic challenges due to their morphological similarities and cryptic diversity. Recent advances in molecular ...

A worm of the phylum Nemertea. In the study, researchers compiled data on 35 species of ribbon worms in this phylum, snipping heads and tails from individuals in 22 species. (iStock) ...

With more than 1,000 species of ribbon worms (phylum Nemertea), most found in the ocean, there is a huge range of sizes and lifestyles among the various types.

Contracting like an instrument isn’t the accordion worm’s only talent. As a member of Nemertea, a phylum of predatory worms that use venom to subdue their prey, it’s also a proficient hunter.

Triploblastic relationships were examined in the light of molecular and morphological evidence. Representatives for all triploblastic "phyla" (except Loricifera) were represented by both sources of ...