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crustacea    
n. 甲壳类

甲壳类

Crustacea
n 1: class of mandibulate arthropods including: lobsters; crabs;
shrimps; woodlice; barnacles; decapods; water fleas [synonym:
{Crustacea}, {class Crustacea}]


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  • Crustacean - Wikipedia
    Crustaceans (from Latin word "crustacea" meaning: "those with shells" or "crusted ones") are mandibulate arthropods that are traditionally a part of the paraphyletic subphylum Crustacea ( krəˈsteɪʃə )
  • Crustacean - Definition, Types, List, Anatomy, and Picture
    Crustaceans are mainly a group of free-living aquatic arthropods that belong to the subphylum Crustacea 1 This subphylum includes prawns, crabs, lobsters, shrimp, krill, barnacles, and seed shrimp, among others
  • Definition, Characteristics, Evolution, Facts - Britannica
    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
  • Crustacea (shrimps, crabs, lobsters, water fleas, and relatives . . . - ADW
    Approximately 30,000 species make up this Subphylum Most are aquatic; of these, the majority are marine but some are found in fresh water Members of the Subphylum include lobsters, crabs, crayfish, shrimp, copepods, barnacles, and several other groups of organisms
  • Crustacea - Natural History Museum
    Research in the Crustacea lab focuses on the systematics, phylogeny, and evolutionary morphology of decapod crustaceans (crabs, shrimps, lobsters, and their relatives), and on their larval development and the use of larval morphology in reconstructing decapod relationships
  • Subphylum Crustacea - SeaNet
    Crustaceans dominate the seas while insects and chelicerates dominate the land Characterized by a segmented body covered with a rigid exoskeleton made of chitin and paired jointed appendages Animals must shed their exoskeleton periodically in order to grow >1 million living species; 40-50,000 living species of crustaceans alone
  • Types of Crustaceans with their Pictures
    Crustaceans are a large group of animals that live mostly in water and have jointed legs, hard outer shells, and many legs These creatures come in many shapes and sizes and belong to a group called arthropods Some swim, some crawl, and many are important in oceans, rivers, and even on dinner plates
  • What Are Crustaceans? Definition, Traits Facts - ScienceInsights
    Crustaceans belong to the subphylum Crustacea within the phylum Arthropoda That places them alongside insects, arachnids, and myriapods (centipedes and millipedes) as fellow arthropods, all sharing the signature traits of an external skeleton and jointed legs
  • Crustacea - an overview | ScienceDirect Topics
    Crustacea is defined as a subphylum of Arthropoda that primarily includes marine arthropods, such as crabs and shrimp, while also containing freshwater species like crayfish These organisms are significant components of aquatic ecosystems, serving as food for various marine animals
  • Crustacean - New World Encyclopedia
    Crustaceans (subphylum Crustacea) comprise the group of arthropods (phylum Arthropoda) that includes the familiar crabs, lobsters, shrimps, barnacles, copepods, krill, water fleas, and crayfish





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