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 ...
Segmented worms make up the Phylum
An introduction to the biology, classification and ecology of Earthworms,
Ragworms and Leeches the phylum
The annelids include earthworms, polychaete worms, and leeches. All members of the group are to some extent segmented, in other words, made up of ...
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The animals in the
There are about 15000 species in this phylum. The phylum includes earthworms, leeches, and marine worms known as polychaetes. Species in this order have ...