The annelids (/ ˈænəlɪdz /), also known as the segmented worms, are animals that comprise the phylum Annelida (/ əˈnɛlɪdə /; from Latin anellus 'little ring'). [4][a] The phylum contains over …

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 …

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

Members of the Phylum Annelida can be found throughout the world, in marine, freshwater, and terrestrial environments. Ecologically, they range from passive filter feeders to voracious and …

Aug 3, 2023 · About 8,700 known species of Annelida are divided into four main classes, primarily on the basis of presence and absence of parapodia, setae, metameres, and other …

Jun 23, 2025 · The phylum Annelida represents a vast group of invertebrate animals, commonly known as segmented worms. With over 22,000 known species, these creatures have adapted …

Phylum Annelida includes segmented worms. These animals are found in marine, terrestrial, and freshwater habitats, but a presence of water or humidity is a critical factor for their survival, …

Oct 2, 2024 · In summary, phylum Annelida encompasses a diverse array of segmented worms found in marine, terrestrial, and freshwater habitats. These animals exhibit metamerism, or …

Phylum Annelida is a very broad phylum belonging to the kingdom Animalia. The Annelids are found in aquatic as well as terrestrial environments. These are bilaterally symmetrical …

Dec 16, 2025 · The body of an annelid is often described as a tube within a tube. The inner tube, or digestive tract, is separated from the outer tube, or body wall, by the coelom. The head …