Annelids are considered members of the Lophotrochozoa, a "super-phylum" of protostomes that also includes molluscs, brachiopods, and nemerteans. The basic annelid form consists of multiple …

Dec 16, 2025 · annelid, any member of a phylum of invertebrate animals that are characterized by the possession of a body cavity (or coelom), movable bristles (or setae), and a body divided into …

Nov 5, 2025 · Annelids, commonly known as segmented worms, are soft-bodied, bilaterally symmetrical invertebrates of the phylum Annelida. They constitute the earthworms, leeches, and ragworms, …

Jun 23, 2025 · By breaking down organic detritus, annelids in all habitats make nutrients available to other organisms. Annelids also form a meaningful link in many food webs. They are a food source for …

The annelids include earthworms, polychaete worms, and leeches. All members of the group are to some extent segmented, in other words, made up of segments that are formed by subdivisions that …

Aug 3, 2023 · Annelida definition Annelids are defined as triploblastic, bilaterally symmetrical, metamerically segmented, a coelomate worm with a thin flexible cuticle around the body.

4 days ago · English: annelids español: Anélido eesti: Rõngussid, Anneliidid suomi: Nivelmadot Nordfriisk: Wirmer français: Annélides galego: Anélido हिन्दी: वलयिन hrvatski: Kolutićavci …

Annelida means ‘little ring’ in Latin. Annelids are far from being lowly worms: They are impressively powerful and capable animals that have adapted to live in most habitats on earth. Annelids include: …

Annelids show the presence of a true coelom, derived from embryonic mesoderm and protostomy. Hence, they are the most advanced worms. A well-developed and complete digestive system is …

Dec 1, 2025 · All annelids have a worm-shaped, segmented body, but one main difference among them is the number and organization of bristles and appendages. Annelids are bilaterally symmetrical, …