Crustacean - Wikipedia
网页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 (/ k r ə ˈ s t eɪ ʃ ə /), a large, diverse group of mainly aquatic arthropods including decapods (shrimps, prawns, crabs, lobsters and crayfish), seed shrimp ...
Crustacean | Definition, Characteristics, Evolution, & Facts
网页crustacean, any member of the subphylum Crustacea (phylum Arthropoda), 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: INFORMATION
网页Read about Crustacea (shrimps, crabs, lobsters, water fleas, and relatives) on the Animal Diversity Web.
Crustaceans: Species, Characteristics, and Diet - ThoughtCo
网页2019年12月13日 · Crustaceans include commonly-known marine life such as crabs, lobsters, barnacles, and shrimp. These animals are in the Phylum Arthropoda (the same phylum as insects) and Subphylum Crustacea. According to the Natural History Museum of Los Angeles County, there are over 52,000 species of crustaceans.
Crustacean - Anatomy, Adaptations, Diversity | Britannica
网页crustacean: anatomy Anatomy of male decapod crustacean. The crustacean nervous system consists basically of a brain, or supraesophageal ganglion, connected to a ventral nerve cord of ganglia, or nerve centres. In primitive forms, like the anostracan fairy shrimp s, the brain has nerve connections with the eyes and antennules, but the nerves to ...
Crustaceans - Encyclopedia of Life
网页The Crusty Ones. The Latin root, crustaceus, "having a crust or shell," really doesn’t entirely narrow it down to crustaceans. They belong to the phylum Arthropoda, as do insects, arachnids, and many other groups; all arthropods have hard exoskeletons or shells, segmented bodies, and jointed limbs.
Characteristics of crustaceans | Britannica
网页crustacean , Any member of the 45,000 arthropod species in the subphylum Crustacea. Distributed worldwide, crustaceans are distinguished by having two pairs of antenna-like appendages in front of the mouth and other paired appendages near …
What Is a Crustacean - Information on Crustaceans - ThoughtCo
网页2017年3月17日 · Crustaceans are a very diverse group of invertebrate animals which includes active animals such as the crabs, lobsters, shrimp, krill, copepods, amphipods and more sessile creatures like barnacles. Characteristics of Crustaceans. All crustaceans have: A hard, but flexible exoskeleton or shell. Two pairs of antennae.
What are crustaceans? – INHS Crustacean Collection
网页Crustaceans are invertebrate animals in the phylum Arthropoda, subphylum Crustacea, and include the barnacle, crab, crayfish, lobster, shrimp, water flea, and pill bug. Although largely aquatic, a few crustaceans are found in terrestrial habitats.
Crustaceans (Crustacea) Facts & More - Animal Corner
网页Crustaceans are animals that usually have a hard covering, or exoskeleton, and two pairs of antennas, or feelers. People around the world eat many types of crustacean—for example, crabs, lobsters, shrimps, and crayfish. Barnacles, water fleas, and pill bugs are also crustaceans.