Phylum Annelida.
The phylum Platyhelminthes, which includes flatworms, consists of worms that are bilaterally symmetrical.
platyhelminthes
platyhelminthes
platyhelminthes
The marine annelids that have many setae and parapodia are called polychata. They usually have antennae on the front of their heads and they live in marine environments.
There are three different groups of animals known as "worms": flatworms (phylum: Platyhelminthes), roundworms (phylum: nematoda), and segmented worms (phylum: annelida).
Parapodia are paired appendages found on polychetes, or marine worms, which are used for movement. Tube feet are found on echinoderms, like sea stars, which are also used for movement.
The segmented worms are classified in the phylum Pogonophora.
A leech belongs to the phylum Annelida, which includes segmented worms.
It is the phylum of kinds of worms known as the roundworms.
Sandworms belong to the phylum Annelida, which includes segmented worms with a cylindrical body shape.
It's belong to the phylum: NEMATODA . some examples for round worms : _Ascrais _Necator americans .