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 ...
An introduction to the biology, classification and ecology of Earthworms,
Ragworms and Leeches the phylum Annelida.
The annelids include earthworms, polychaete worms, and leeches. ... Members
of the Phylum Annelida can be found throughout the world, in marine, freshwater
Phylum Annelida. Segmented Worms. Characteristics. - Segmentation. - Chaetae
(Hairs made of Chitin. - 3 Cell Layers. - True Coelom. - Head develops first ...
Phylum Annelida Tree of Life. ... Phylum Annelida is an extremely diverse group
of animals commonly called segmented Rhaphidiophorus hystrix Mazon Creek ...
Phylum Annelida contains a variety of worms and their relatives. They are found
everywhere from marine and freshwater habitats to damp soil. Learn...
The former phyla Pogonophora and Vestimentifera have also recently become
regarded as a single, clearly annelid, group (Bartolomaeus, 1995; Nielsen, 1995;
The three classes of organisms in the phylum annelida include freshwater worms
and earthworms (oligochaetes), marine worms (polychaetes) and leeches ...
Description, classification, synonyms of Phylum Annelida - Segmented worms.
There are about 15000 species in this phylum. The phylum includes earthworms,
leeches, and marine worms known as polychaetes. Species in this order have ...