What is nereis called?

What is nereis called?

rag worm, also called clam worm (genus Nereis), any of a group of mostly marine or shore worms of the class Polychaeta (phylum Annelida). Other common names include mussel worm, pileworm, and sandworm.

Is Polychaeta a class?

polychaete, any worm of the class Polychaeta (phylum Annelida). About 8,000 living species are known. Polychaetes, which include rag worms, lugworms, bloodworms, sea mice, and others, are marine worms notable for well-defined segmentation of the body.

Is nereis dioecious?

Nereis are osmoconformers. They are dioecious (individuals are male or female) and they release their haploid gametes into the water, a process called spawning.

Is Annelida bilateral?

The Annelids are bilaterally symmetrical, triploblastic, coelomate, invertebrate organisms. They also have parapodia for locomotion. The basic annelid form consists of multiple segments. Each segment has the same sets of organs and, in most polychates, has a pair of parapodia that many species use for locomotion.

What class is a bristle worm in?

Polychaetes
Polychaetes belong the phylum Annelida, the segmented worms. The phylum also includes the classes Hirudinea, which contain the leeches, and the Oligochaeta, the earthworms. The class Polychaeta are the marine worms, such as the nereids (sandworms) and glycerids (bloodworms).

Is Nereis segmented?

Leech and Nereis belong to the phylum Annelida because they have metamerically segmented body.

Is Nereis monoecious?

Earthworms and Nereis are monoecious and dioecious, respectively.

Which class belongs to phylum Annelida?

class Polychaeta
Phylum Annelida contains the class Polychaeta (the polychaetes) and the class Oligochaeta (the earthworms, leeches and their relatives).

What is the genus and species name of the Nereis?

Family: Nereididae. Genus: Nereis. Linnaeus, 1758. Type species. Nereis pelagica. Linnaeus, 1758. Nereis is a genus of polychaete worms in the family Nereididae.

What phylum does the Nereis vexillosa belong to?

Nereis vexillosa belongs to the phylum Annelida, a group known as the segmented worms.

What kind of animal is a netnereis?

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.

What type of locomotion does a netnereis have?

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. They may have two types of setae, which are found on the parapodia.