What animals belong to the annelids group?

What animals belong to the annelids group?

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 partially transect the body cavity.

What are the four major groups of annelida?

Class Polychaeta: marine annelids; Class Oligochaeta: marine, freshwater and terrestrial annelids including earthworms; Class Hirudinea: marine, fresh water and terrestrial leeches.

Are centipedes annelids?

The Annelid phylum contains three classes of organisms: Polychaeta, Oligochaeta and Hirudinea. The Arthropoda phylum contains five classes: Crustacea (shrimp and lobster), Arachnida (spiders and scorpions), Chilopoda (centipedes), Diplopoda (millipedes) and Insecta (roaches and beetles).

Are leeches insects?

The leech is not a slug. Nor is it a bug, reptile or insect. 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.

Are annelids insects?

The Annelids are a Phylum of invertebrates. Annelids are soft-bodied organisms and have bodies that are comprised of numerous segments – this gives them their alternative name of ringed worms. There are more than 10,000 species of annelid. Earthworms, ragworms and leeches are some of the most well known annelids.

Is a starfish an arthropod?

is that starfish is any of various asteroids or other echinoderms (not in fact fish) with usually five arms, many of which eat bivalves or corals by everting their stomach while arthropod is an invertebrate animal of the phylum arthropoda , characterized by a chitinous exoskeleton and multiple jointed appendages.

What are the types of annelids?

There are four classes of annelids: polychaete worms, marine annelids which make up the majority of all species (more than 10,000), clitellates, a large group which includes leeches and earthworms, haplodrils, simple marine worms, and myzostomids, small parasites of sea lilies.

What are examples of annelids?

Earthworms, leeches and lugworms are examples of annelids. Annelids are found worldwide from the deepest marine sediments to the soils in our parks.

What are marine annelids?

Marine Worms – Annelids (Segmented worms) The annelids or Annelida (also called “ringed worms”), are a large phylum of segmented worms, with over 17,000 modern species including polychaetes, clitellates, ragworms, earthworms and leeches.