Annelid - Wikipedia Annelids ( ˈænəlɪdz ), also known as segmented worms, are animals that comprise the phylum Annelida ( əˈnɛlɪdə ; from Latin anellus 'little ring') [4][a] The phylum contains over 22,000 extant species, including ragworms, earthworms, and leeches The species exist in and have adapted to various ecologies – some in marine environments as distinct as tidal zones and hydrothermal
Annelid | Definition, Characteristics, Habitat, Reproduction, Diet . . . 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 segments by transverse rings, or annulations, from which they take their name The coelom is reduced in leeches, and
Annelid - Examples, Characteristics, Anatomy, Pictures An annelid’s body is segmented into a linear series of rings called annuli Each segment contains the same set of organs (metamerism), though they share a common gut, as well as nervous and circulatory systems
11 Characteristics of Annelids (Worms, Leeches) - Wildlife Informer Annelids are classified as segmented worms that belong to the invertebrate phylum of animals There are over 20,000 species of annelids with a variety of individual characteristics that have been discovered so far, but zoologists suspect hundreds of annelids exist in remote jungles and ocean depths that have yet to be identified Annelids are divided into three classes: earthworms, leeches
Types of Annelids – Examples of Annelid Species With Photos Types of annelids When many people think of annelids, they limit themselves to earthworms But there are many examples of annelid species and we provide some of them with information and photos
ANNELID Definition Meaning - Merriam-Webster The meaning of ANNELID is any of a phylum (Annelida) of usually elongated segmented coelomate invertebrates (such as earthworms and leeches)
Phylogenomic analyses unravel annelid evolution | Nature Annelids are found throughout the world’s terrestrial, aquatic and marine habitats They represent one of three major animal groups with segmentation, so understanding annelid body-plan
Annelid - an overview | ScienceDirect Topics The general annelid body plan is relatively simple, comprising an anterior mouth and posterior anus separated by a variable number of segments Polychaetes display segmental parapodia (lateral extensions which can be quite ornate) containing many bristle-like structures called chaetae, while clitellates (excluding leeches) have reduced