Crustacean - Wikipedia
Crustaceans (from Latin meaning: "those with shells" or "crusted ones") are invertebrate animals that constitute one group of arthropods that are a part of the subphylum Crustacea (/ krəˈsteɪʃə /), a large, diverse group of mainly aquatic arthropods including decapods (shrimps, prawns, crabs, lobsters and crayfish), seed shrimp, branchiopods, fi...
Crustacean | Definition, Characteristics, Evolution, & Facts
Nov 8, 2024 · Crustacean, any member of the subphylum Crustacea, a group of invertebrate animals consisting of some 45,000 species distributed worldwide. Crabs, lobsters, shrimps, and wood lice are among the best-known crustaceans, but the group also includes an enormous variety of other forms without popular names.
ADW: Crustacea: CLASSIFICATION
Confused by a class within a class or an order within an order? Please see our brief essay.
Crustacean - Definition, Types, List, Anatomy, and Picture
May 15, 2024 · Under the current classification, the 67,000 described species (1/10 to 1/100 of all existing crustacean species) are divided into ten to twelve classes, including the former maxillopod subclasses Thecostraca, Tantulocarida, Mystacocarida, Copepoda, and Branchiura. Class: Ostracoda (Seed Shrimps) Class: Mystacocarida (Mystococaridans)
list of crustaceans - Encyclopedia Britannica
This is a list of significant crustaceans, which are members of the subphylum Crustacea. They are grouped taxonomically by class, with notable members of each class ordered alphabetically. (See also invertebrate;
Thorax comprises eight segments, abdomen six segment, rarely seven. Exoskeleton of head unite with few or segment to form cephalothoracic carapace. Compound eye usually stalked.
Crustacea - an overview | ScienceDirect Topics
The Crustacea are a large class divided into 8 subclasses and about 30 orders. Most species of Crustacea are aquatic and are found especially in salt water. Many crustaceans, including crayfish, lobsters, and prawns, serve as important human food.
Crustacean - Arthropod, Aquatic, Decapod | Britannica
Nov 8, 2024 · Two pairs of sensory appendages in front of mouth, and 3 pairs of jaws behind mouth; some parasitic and lack all appendages when adult; mostly aquatic; about 45,000 species known.
Crustacean - Encyclopedia.com
May 14, 2018 · The crustacea (subphylum Mandibulata, class Crustacea) are a diverse group of animals. This class includes some of the more familiar arthropods, including barnacles, copepods, crabs, prawns, lobsters, and wood lice. More than 30,000 species have been identified, the majority of which are marine-dwelling. Terrestrial species such as woodlice and ...
Crustaceans - Encyclopedia.com
Jun 11, 2018 · The crustaceans are a group of animals that belong to the class Crustacea in the phylum Arthropoda (organisms with segmented bodies, jointed legs or wings, and an external skeleton). The class includes a wide variety of familiar animals, such as barnacles, crabs, crayfish, copepods, shrimp, prawns, lobsters, water fleas, and wood lice.