polychaete

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polychaete

any marine ANNELID worm of the order Polychaeta, including both errant (moving) and tubicolous (mainly sedentary) forms. They are characterized by the presence of CHAETAE carried on parapodia (projections from the body) and in errant forms the head is well developed. Fertilization is external. The group includes Nereids (bristle worms such as the ragworm), tube worms and fan worms.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
The artist's last two major bodies of work were somewhat more connected: The 1967 group of works "Elementi naturali" (Elements of Nature) was based on features of the landscape such as rivers, irrigation channels, plowed fields, and seas; the "Ricostruzione della natura" (Reconstruction of Nature), 1968, included bristle worms made of scouring brushes, and wire-wool sculptures based on objects from Tarzan movies and the comic B.C., such as an animal trap and a rope bridge.
The leech is an invertebrate animal belonging to the phylum Annelida, a zoological category that includes more than 15,000 species of segmented bristle worms and 650 species of leeches in the subclass Hirudinea.
"At least three living groups of animals have paired appendages (represented by arthropods such as bumblebees, annelids such as bristle worms, and tetrapods such as humans).