Phylum Annelida, segmented worms
Taxonomy of annelids may not be universally agreed upon. However, often 2 classes are proposed:
Class Polychaeta
Class Clitellata
Clitellata is further subdivided into 2 subclasses, Subclass Oligochaeta (earthworms) and Subclass Hirudinea (leeches).
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Annelids are classified into three main classes: Polychaeta, Oligochaeta, and Hirudinea. Polychaetes are primarily marine worms with bristles, Oligochaetes include earthworms and freshwater worms, and Hirudineans are known as leeches.
The three classes of annelids are Polychaeta (marine worms with bristle-like structures called chaetae), Oligochaeta (terrestrial and freshwater worms like earthworms), and Hirudinea (leeches, which are typically found in freshwater environments).
There are more than 22,000 recognized species of annelids, which are segmented worms commonly found in marine, freshwater, and terrestrial environments.
earthworms, polychaete worms, and leeches, rag-worms and phylum nematoda hope i helped :D
Annelids are the first animal phyla to have a true body cavity (coelom), which is enclosed by mesoderm. This cavity enables more complex organ systems and allows for greater specialization of body functions.
The scientific name for annelids is Annelida. This phylum includes organisms such as earthworms and leeches.