What is the genus and species of Annelida?
earthworm, also called angleworm, any one of more than 1,800 species of terrestrial worms of the class Oligochaeta (phylum Annelida)—in particular, members of the genus Lumbricus.
How many classes are in phylum Annelida?
three classes
There are three classes of annelids: Class Polychaeta: marine annelids; Class Oligochaeta: marine, freshwater and terrestrial annelids including earthworms; Class Hirudinea: marine, fresh water and terrestrial leeches.
What are the four classes of phylum Annelida?
Following are the different classification of Annelida:
- Polychaeta.
- Oligochaeta.
- Hirudinea.
- Archiannelida.
What are the general characteristics of the phylum Annelida?
Characteristics of Phylum Annelida They have a long and segmented body. Annelids are bilaterally symmetrical. They are triploblastic. Also, they exhibit organ system grade of organisation, showing organ differentiation.
What do you know about phylum Annelida?
Phylum Annelida includes segmented worms. These animals are found in marine, terrestrial, and freshwater habitats, but a presence of water or humidity is a critical factor for their survival, especially in terrestrial habitats. The name of the phylum is derived from the Latin word annellus, which means a small ring.
What are the 3 classes in phylum Annelida?
Critical appraisal. Most authors accept the annelids as having three major classes: Polychaeta, Oligochaeta, and Hirudinea. Older systems would place the polychaetes and oligochaetes under the class Chaetopoda because both groups possess setae.
What is the characteristics of phylum Annelida?
What makes an annelid an annelid?
annelid, phylum name Annelida, also called segmented worm, any member of a phylum of invertebrate animals that are characterized by the possession of a body cavity (or coelom), movable bristles (or setae), and a body divided into segments by transverse rings, or annulations, from which they take their name.
What is the phylum of an earthworm?
AnnelidEarthworm / Phylum
What are examples of phylum Annelida?
Polychaete
EarthwormLeechEarthwormsClitellata
Annelid/Lower classifications
Which animals belong to the Annelida phylum?
Earthworm.
Which phylum is most closely related to Annelida?
Phylum Arthropoda (373-376) largest animal phylum – has colonized most habitats, including aerial habs. closely related to annelids. General characteristics. 1) triploblastic, bilaterally symmetric, protostome. 2) paired, uniramous – biramous – 3) mostly external, e.g. arrangement of appendages. no internal septa prob. because of exoskeleton
What are some common examples of phylum Annelida?
(1) Polychaeta Examples:Nereis (sandworm),Chaetopterus (paddle worm),Aphrodite (sea mouse),Polynoe (scale worm),etc.
What are the three classes of the phylum Annelida?
Class Polychaeta: marine annelids;