What are in the clade Clitellata?
What are in the clade Clitellata?
The Clitellata are a class of annelid worms, characterized by having a clitellum – the ‘collar’ that forms a reproductive cocoon during part of their life cycles. The clitellates comprise around 8,000 species. Unlike the class of Polychaeta, they do not have parapodia and their heads are less developed.
What is a earthworms family?
Family: Lumbricidae The common earthworm belongs to Lumbricidae which is one of the largest earthworm family. About 33 species of earthworms are identified under this family. Genus: Lumbricus. Species: Terrestris.
What are the characteristics of Clitellata?
Clitellate annelids are distinguished from other worms by their characteristic reproductive structure, the clitellum, whose function is to secrete an egg capsule, or cocoon. The clitellum appears as a thickened sleeve or saddle a few segments in length within the anterior third region of the worm.
Why does earthworm belong to Clitellata?
Class: Clitellata The name of the class of earthworms owes itself to their clitellum: the collar that serves as a reproductive center during the adult phase of the earthworm’s life.
Is Clitellata a class?
Source: Wikipedia The Clitellata are a class of annelid worms, characterized by having a clitellum – the ‘collar’ that forms a reproductive cocoon during part of their life cycles. The clitellates comprise around 8,000 species.
What kingdom does a worm belong to?
Animal
Annelid/Kingdom
Both worms and insects are classified under the Kingdom Animalia. The animal kingdom is split into two groups: vertebrate, animals with a backbone, and invertebrate, animals without a backbone. Both worms and insects are invertebrates.
What is the function of clitellum?
animal reproduction Sexually mature oligochaetes have a clitellum, which is a modification of a section of the body wall consisting of a glandular, saddlelike thickening near the gonopores. During copulation, the clitellum secretes a mucus that keeps the worms paired while sperm are being exchanged.
What are characteristics of oligochaeta?
Characteristics of Oligochaeta Oligochaete worms have long, segmented, tubular bodies, giving them the appearance of a piece of thick spaghetti. They can range in length from just a few millimeters to over 10 feet!
What do you mean by oligochaeta?
Oligochaeta (/ˌɒlɪɡəˈkiːtə, -ɡoʊ-/) is a subclass of animals in the phylum Annelida, which is made up of many types of aquatic and terrestrial worms, including all of the various earthworms. These worms usually have few setae (chaetae) or “bristles” on their outer body surfaces, and lack parapodia, unlike polychaeta.
What is Clitellata scientific name?
Clitellata
Clitellata/Scientific names
