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Crustacean - Wikipedia, the Free Encyclopedia
Crustaceans form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles.
https://en.wikipedia.org/wiki/Crustacean
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Crustacea - Encyclopedia of Earth
Crustaceans are invertebrates belonging to the phylum Arthropoda and include such familiar groups as barnacles, crabs, crayfish, lobster, water fleas and pill bugs.
http://www.eoearth.org/view/article/151549/
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Crustacean - Arthropod - Britannica
Crustacean, any member of the subphylum Crustacea (phylum Arthropoda), a group of invertebrate animals consisting of some 45,000 species distributed worldwide.
http://www.britannica.com/animal/crustacean
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Crustacean - Encyclopedia
Get information, facts, and pictures about crustacean at Encyclopedia.com. Make research projects and school reports about crustacean easy with credible articles from our FREE, online encyclopedia and dictionary.
http://www.encyclopedia.com/topic/crustacean.aspx
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ADW: Crustacea
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.
http://animaldiversity.org/accounts/Crustacea/
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Crustaceans - Easy Science For Kids
Easy Science for Kids All About Crustaceans, Lobsters, Crabs and More. Learn more about Fun Facts about Crustaceans with our Fun Kids Science Website!
http://easyscienceforkids.com/all-about-crustaceans/
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Ten Fascinatingly Bizarre Crustaceans
A list of some of the strangest crustaceans that go well beyond your typical crab or lobster
http://listverse.com/2013/06/28/10-fascinatingly-bizarre-crustaceans/
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List of Crustaceans - PhotographicDictionary
Easy to follow list of crustaceans with pictures for each one
https://photographicdictionary.com/crustaceans
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Crab - HowStuffWorks
Crab is a land- or water-dwelling crustacean with a short, flat body that is nearly circular. Learn more about the crab at HowStuffWorks.
http://animals.howstuffworks.com/marine-life/crustaceans.htm
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Crustacean - HowStuffWorks
Introduction to Crustacean - Crustacean is a member of a large class of animals with segmented bodies. Learn more about the crustaceans at HowStuffWorks.
http://animals.howstuffworks.com/marine-life/crustacean-info.htm
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Crustacea - Crabs, Shrimps, Barnacles, Woodlice - Animalia
List of different crustaceans and basic information about what they are
http://www.darwinsgalapagos.com/animals/custacea_crustaceans.htm
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What Is a Crustacean? - Marine Life
The group of marine life known as crustaceans includes crabs, lobsters and shrimp - some of the most important marine life to humans. It also includes other animals such as amphipods and isopods.
http://marinelife.about.com/od/invertebrates/g/crustaceans.htm