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The annelids also known as the ringed worms or segmented worms, are a large phylum, with over 17,000 extant species including ragworms, earthworms, and ...

The Annelids (Phylum Annelida) - The Earth Life Web


An introduction to the biology, classification and ecology of Earthworms, Ragworms and Leeches the phylum Annelida.

Phylum Annelida Segmented Worms Characteristics


Phylum Annelida. Segmented Worms. Characteristics. - Segmentation. - Chaetae (Hairs made of Chitin. - 3 Cell Layers. - True Coelom. - Head develops first ...

Phylum Annelida: Characteristics, Classes & Examples - Video ...


Phylum Annelida contains a variety of worms and their relatives. They are found everywhere from marine and freshwater habitats to damp soil. Learn...

Coelomate Protostomes- Phylum Annelida


PHYLUM ANNELIDA. The annelids are generally referred to as the segmented worms to distinguish them from the non-segmented flatworms and roundworms.

Annelida - Segmented Worms | Wildlife Journal Junior


There are about 15000 species in this phylum. The phylum includes earthworms, leeches, and marine worms known as polychaetes. Species in this order have ...

Annelida - Tree of Life Web Project


The former phyla Pogonophora and Vestimentifera have also recently become regarded as a single, clearly annelid, group (Bartolomaeus, 1995; Nielsen, 1995;  ...

Phylum Annelida - Boundless


Learn more about phylum annelida in the Boundless open textbook.

Phylum Annelida - Marine Species Identification Portal


Description, classification, synonyms of Phylum Annelida - Segmented worms.

What are the three classes of the phylum Annelida? | Reference.com


The three classes of organisms in the phylum annelida include freshwater worms and earthworms (oligochaetes), marine worms (polychaetes) and leeches ...

phylum Annelida | Define phylum Annelida at Dictionary.com
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Introduction to the Annelida


Segmented worms make up the Phylum Annelida. The phylum includes earthworms and their relatives, leeches, and a large number of mostly marine worms ...

Annelida Facts, information, pictures | Encyclopedia.com articles ...


Annelida [Lat., anellus=a ring], phylum of soft-bodied, bilaterally symmetrical (see symmetry, biological), segmented animals, known as the segmented, ...



The annelids include earthworms, polychaete worms, and leeches. ... Members of the Phylum Annelida can be found throughout the world, in marine, freshwater  ...