Nereis is a genus of polychaete worms in the family Nereididae. It comprises many species, most of which are marine. Nereis possess setae and parapodia for locomotion and gas exchange. [1] . They may have two types of setae, which are found …

Nereis or Neanthes is a marine polychaete annelid that lives in burrows in sea bottom and comes out in night to prey upon small animals. N. virens (Sandworm), N. pelagica (Type-species) and N. succinea (Clam worm) are common species of Nereis.

Nereis is a genus of polychaete worms in the family Nereidae. It comprises many species, most of which are marine. Nereis possess setae and parapodia for locomotion.

External features of nereis (clam worm) Procedure. For studying external feature take a formaline preserved animal. Fix it in a dissecting tray and study the following : Body form: Worm like. Body divided into head and similar 200 segments. Head: It consist of prostomium or pre-oral lobe and peristomium. Prostomium is the first segment and ...

Nereis vexillosa (common name: Mussel worm) belongs to the phylum Annelida, a group known as the segmented worms. It is generally iridescent green and can reach 30 cm in length. It can be distinguished by the size of the upper ligules on the notopodia of the posterior region of the body. The upper ligules are much larger than the lower ligules.

Believed to be named after the name of the nymphs in Greek mythology. The Nereids (Greek: Νηρηΐδες Nereides, sg. Νηρηΐς Nereis) are sea nymphs, female spirits of sea waters, the 50 …

Nereis virens , the ragworm, clamworm, or sandworm, is a large species that may reach almost a meter in length but is usually considerably smaller, around 20-40 cm. It is a shallow-water, marine, benthic species occurring from the shoreline to depths of about 150 m.

Subspecies Nereis pelagica occidentalis Hartman, 1945 accepted as Nereis occidentalis Hartman, 1945 (superseded original combination; rank upgraded to species) Environment marine, brackish , fresh , terrestrial

Nereis pelagica Overview Scientific Name: Nereis pelagica Phylum: Annelida Class: Polychaeta Order: Phyllodocida Family: Nereididae Genus: Nereis Species: pelagica [Describe here as A. iricolor] Native Distribution Origin Realm:

In this article we will discuss about the T. S. body and p arapodium of nereis. 1. It is the slide of T. S. of Nereis. 2. The body wall is comprised of a’ outermost thin cuticle, a layer c epidermis and a thick layer of circular muscles. 3.