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Crustaceans (Crustacea) form a large, diverse arthropod taxon which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill, woodlice, and barnacles. [1]

193 relations: Abdomen, Abludomelita obtusata, Academic Press, Adaptation, Adaptive radiation, Aeschronectida, Amphipoda, Animal, Anostraca, Antarctic, Antenna (biology), Anus, Appendage, Aptera in the 10th edition of Systema Naturae, Aquatic animal, Argulidae, Arthropod, Arthropod leg, Australian Antarctic Division, Australian Museum, Barnacle, Biomass (ecology), Brachiopod, Branchiopoda, Branchiura, Brill Publishers, Brine shrimp, Brood pouch (Peracarida), Burgess Shale, Calanoida, Cambrian, Cambrian Series 3, Cambridge University Press, Canadaspis, Carapace, Carboniferous, Carcinology, Caridea, Carl Linnaeus, Cephalocarida, Cephalothorax, Chelicerata, Chinese mitten crab, Christmas Island red crab, Chthamalus stellatus, Circulatory system, Clade, Cladocera, Clam shrimp, Coenobita, ..., Contributions to Zoology, Copepod, Crab, Crayfish, Cretaceous, Crustacean larva, Cumacea, Cylindroleberididae, Cymothoa exigua, Cytherellidae, Daphnia pulex, Decapod anatomy, Decapoda, Dendrobranchiata, Ecdysis, Encarta, Encyclopædia Britannica, Eumalacostraca, Exoskeleton, Food and Agriculture Organization, Fossil, Fresh water, Gammarus roeseli, Genome Biology and Evolution, Georgia State University, Gonochorism, Goose barnacle, Guillaume Rondelet, Halocyprida, Head, Heart, Hemigrapsus sanguineus, Hemocyanin, Hemoglobin, Hermaphrodite, Hexapoda, Holocene, Hoplocarida, Insect, Integrative and Comparative Biology, International Union for Conservation of Nature, Isopoda, Japanese spider crab, Journal of Evolutionary Biology, Journal of Natural History, Journal of Paleontology, Journal of the Marine Biological Association of the United Kingdom, Journal of Zoological Systematics and Evolutionary Research, Jurassic, Krill, Larva, Lepidocaris, Leptostraca, List of carcinologists, Living fossil, Lobster, Malacostraca, Mandible (arthropod mouthpart), Mantis shrimp, Marbled crayfish, Maxilla (arthropod mouthpart), Maxillopoda, Micrometre, Microsoft, Ministry for Culture and Heritage, Ministry of Fisheries and Agriculture (Iceland), Molecular Biology and Evolution, Morten Thrane Brünnich, Motility, Myodocopa, Myodocopida, Myriapoda, Mystacocarida, Natural History Museum of Los Angeles County, Nature (journal), Notostraca, Nucleic acid sequence, Ordovician, Osteichthyes, Ostracod, Oxford University Press, Pain in crustaceans, Pancrustacea, Paraphyly, Parasitism, Parthenogenesis, PDF, Pentastomida, Peracarida, Perspicaris, Philosophical Transactions of the Royal Society, Phyllocarida, Pierre Belon, Podocopa, Podocopida, Polychelida, Proceedings of the Royal Society, Remipedia, Rhizocephala, Salinity, Science (journal), Scientist, Sea louse, Sessilia, Sessility (motility), Sexual reproduction, Shrimp, Sister group, Smithsonian Contributions and Studies Series, Somite, Species, Springer Science+Business Media, Sternum (arthropod anatomy), Stygotantulus, Subphylum, Systema Naturae, Talitridae, Tantulocarida, Taxon, Te Ara: The Encyclopedia of New Zealand, Telson, Tergum, Terrestrial animal, Terrestrial crab, Tesnusocaris, The Canadian Encyclopedia, Thecostraca, Thorax, Thylacocephala, Ton, Tree of Life Web Project, Triassic, Trilobite, Triops cancriformis, Undescribed taxon, University College London, University of Bristol, University of California, Berkeley, University of Edinburgh, Water column, Whale louse, Woodlouse, Zootaxa. Expand index (143 more) »


The abdomen (less formally called the belly, stomach, tummy or midriff) constitutes the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates.

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Abludomelita obtusata

Abludomelita obtusata is a brown colored species of amphipod crustacean.

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Academic Press

Academic Press is an academic book publisher.

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In biology, adaptation has three related meanings.

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Adaptive radiation

In evolutionary biology, adaptive radiation is a process in which organisms diversify rapidly from an ancestral species into a multitude of new forms, particularly when a change in the environment makes new resources available, creates new challenges, or opens new environmental niches.

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Aeschronectida is an extinct order of mantis shrimp-like crustaceans which lived in the Mississippian subperiod in what is now Montana.

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Amphipoda is an order of malacostracan crustaceans with no carapace and generally with laterally compressed bodies.

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Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia.

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Anostraca is one of the four orders of crustaceans in the class Branchiopoda; its members are also known as fairy shrimp.

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The Antarctic (US English, UK English or and or) is a polar region around the Earth's South Pole, opposite the Arctic region around the North Pole.

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Antenna (biology)

Antennae (singular: antenna), sometimes referred to as "feelers," are paired appendages used for sensing in arthropods.

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The anus (from Latin anus meaning "ring", "circle") is an opening at the opposite end of an animal's digestive tract from the mouth.

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In invertebrate biology, an appendage (or outgrowth) is an external body part, or natural prolongation, that protrudes from an organism's body (in vertebrate biology, an example would be a vertebrate's limbs).

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Aptera in the 10th edition of Systema Naturae

In the 10th edition of Systema Naturae, Carl Linnaeus classified the arthropods, including insects, arachnids and crustaceans, among his class "Insecta".

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Aquatic animal

A aquatic animal is an animal, either vertebrate or invertebrate, which lives in the water for most or all of its lifetime.

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The family Argulidae contains the carp lice or fish lice – a group of parasitic crustaceans of uncertain position within the Maxillopoda.

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An arthropod (from Greek ἄρθρον arthron, "joint" and πούς pous, "foot") is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and paired jointed appendages.

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Arthropod leg

The arthropod leg is a form of jointed appendage of arthropods, usually used for walking.

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Australian Antarctic Division

The Australian Antarctic Division (AAD) is a division of the Department of the Environment.

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Australian Museum

The Australian Museum is the oldest museum in Australia, with an international reputation in the fields of natural history and anthropology.

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A barnacle is a type of arthropod constituting the infraclass Cirripedia in the subphylum Crustacea, and is hence related to crabs and lobsters.

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Biomass (ecology)

Biomass is the mass of living biological organisms in a given area or ecosystem at a given time.

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Brachiopods, phylum Brachiopoda, are a group of lophotrochozoan animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs.

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Branchiopoda is a class of crustaceans.

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Branchiura is a group of crustaceans ranked as a subclass of the class Maxillopoda.

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Brill Publishers

Brill (known as E. J. Brill, Koninklijke Brill, Brill Academic Publishers) is a Dutch international academic publisher founded in 1683 in Leiden, Netherlands.

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Brine shrimp

Artemia is a genus of aquatic crustaceans also known as brine shrimp.

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Brood pouch (Peracarida)

The marsupium or brood pouch, is a characteristic feature of Peracarida, including the orders Amphipoda, Isopoda and Cumacea.

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Burgess Shale

The Burgess Shale is a fossil-bearing deposit exposed in the Canadian Rockies of British Columbia, Canada.

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Calanoida is an order of copepods, a kind of zooplankton.

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The Cambrian Period was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon.

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Cambrian Series 3

Cambrian Series 3 is the still unnamed 3rd Series of the Cambrian.

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Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

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Canadaspis ("Shield of Canada") was a Cambrian genus of crustacean or euarthropod, a benthic feeder that moved mainly by walking and possibly used its biramous appendages to stir mud in search of food.

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A carapace is a dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises.

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The Carboniferous is a geologic period and system that spans 60 million years from the end of the Devonian Period million years ago (Mya), to the beginning of the Permian Period, Mya.

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Carcinology is a branch of zoology that consists of the study of crustaceans, a group of arthropods that includes lobsters, crayfish, shrimp, krill, barnacles and crabs.

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The Caridea, commonly known as caridean shrimp, are an infraorder of shrimp within the order Decapoda.

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Carl Linnaeus

Carl Linnaeus (23 May 1707 – 10 January 1778), also known after his ennoblement as Carl von LinnéBlunt (2004), p. 171.

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The Cephalocarida are a class in the subphylum Crustacea comprising only 12 benthic species.

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The cephalothorax, also called prosoma in some groups, is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind.

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The subphylum Chelicerata (New Latin, from French chélicère, from Greek khēlē "claw, chela" and kéras "horn") constitutes one of the major subdivisions of the phylum Arthropoda.

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Chinese mitten crab

The Chinese mitten crab (Eriocheir sinensis; Chinese: t 大閘蟹, s 大闸蟹, p dàzháxiè, "big sluice crab"), also known as the Shanghai hairy crab (上海毛蟹, p Shànghǎi máoxiè), is a medium-sized burrowing crab that is named for its furry claws, which resemble mittens.

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Christmas Island red crab

The Christmas Island red crab (Gecarcoidea natalis) is a species of land crab that is endemic to Christmas Island and Cocos (Keeling) Islands in the Indian Ocean.

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Chthamalus stellatus

Chthamalus stellatus, common name Poli's stellate barnacle, is a species of acorn barnacle common on rocky shores in South West England, Ireland, and Southern Europe.

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Circulatory system

The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis.

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A clade (from κλάδος, klados, "branch"), also known as monophyletic group, is a group of organisms that consists of a common ancestor and all its lineal descendants, and represents a single "branch" on the "tree of life".

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The Cladocera are an order of small crustaceans commonly called water fleas.

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Clam shrimp

Clam shrimp are a taxon of bivalved branchiopod crustaceans that resemble the unrelated bivalved molluscs.

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The genus Coenobita contains the sixteen species of terrestrial hermit crabs.

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Contributions to Zoology

Contributions to Zoology (formerly known as Bijdragen tot de Dierkunde) is a scientific journal that started in 1848 as a publication of the Committee in charge of the library of the Dutch Royal Zoological Society "Natura Artis Magistra" and became integrated in the library of the University of Amsterdam in 1939.

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Copepods (meaning "oar-feet") are a group of small crustaceans found in the sea and nearly every freshwater habitat.

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Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) (translit.

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Crayfish, also known as crawfish, crawdads, crawldads, freshwater lobsters, mountain lobsters, mudbugs or yabbies, are freshwater crustaceans resembling small lobsters, to which they are related; taxonomically, they are members of the superfamilies Astacoidea and Parastacoidea.

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The Cretaceous is a geologic period and system that spans 79 million years from the end of the Jurassic Period million years ago (mya) to the beginning of the Paleogene Period mya.

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Crustacean larva

Crustaceans may pass through a number of larval and immature stages between hatching from their eggs and reaching their adult form.

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Cumacea is an order of small marine crustaceans of the superorder Peracarida, occasionally called hooded shrimp or comma shrimp.

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Cylindroleberididae is a family of ostracods that shows remarkable morphological diversity.

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Cymothoa exigua

Cymothoa exigua, or the tongue-eating louse, is a parasitic isopod of the family Cymothoidae.

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Cytherellidae is a family of ostracods, and is the only living family in the order, Platycopida, although the family Punciidae is also sometimes included.

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Daphnia pulex

Daphnia pulex is the most common species of water flea.

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Decapod anatomy

The decapod crustacean, such as a crab, lobster, shrimp or prawn, is made up of 20 body segments grouped into two main body parts, the cephalothorax and the pleon (abdomen).

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The Decapoda or decapods (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crayfish, crabs, lobsters, prawns, and shrimp.

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Dendrobranchiata is a suborder of decapod shrimps, commonly known as prawns.

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Ecdysis is the moulting of the cuticle in many invertebrates of the clade Ecdysozoa.

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Microsoft Encarta was a digital multimedia encyclopedia published by Microsoft Corporation from 1993 to 2009.

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Encyclopædia Britannica

The Encyclopædia Britannica (Latin for "British Encyclopaedia"), published by Encyclopædia Britannica, Inc., is a general knowledge English-language encyclopaedia.

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Eumalacostraca is a subclass of crustaceans, containing almost all living malacostracans, or about 40,000 described species.

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An exoskeleton (from Greek έξω, éxō "outer" and σκελετός, skeletós "skeleton") is the external skeleton that supports and protects an animal's body, in contrast to the internal skeleton (endoskeleton) of, for example, a human.

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Food and Agriculture Organization

The Food and Agriculture Organization of the United Nations (FAO; Organisation des Nations unies pour l'alimentation et l'agriculture, Organizzazione delle Nazioni Unite per l'Alimentazione e l'Agricoltura) is a specialized agency of the United Nations that leads international efforts to defeat hunger.

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A fossil (from Classical Latin fossilis; literally, "obtained by digging") is any preserved remains, impression, or trace of any once-living thing from a past geological age.

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Fresh water

Fresh water (or freshwater) is any naturally occurring water except seawater and brackish water.

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Gammarus roeseli

Gammarus roeseli is a species of freshwater amphipod found across Europe from the Benelux countries to European Turkey.

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Genome Biology and Evolution

Genome Biology and Evolution is a monthly peer-reviewed open access scientific journal published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.

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Georgia State University

Georgia State University (commonly referred to as Georgia State, State, or GSU) is a public research university in downtown Atlanta, Georgia, United States.

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In biology, gonochorism (Greek offspring + disperse) or unisexualism or gonochory describes the state of having just one of at least two distinct sexes in any one individual organism.

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Goose barnacle

Goose barnacles (order Pedunculata), also called stalked barnacles or gooseneck barnacles, are filter-feeding crustaceans that live attached to hard surfaces of rocks and flotsam in the ocean intertidal zone.

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Guillaume Rondelet

Guillaume Rondelet (27 September 150730 July 1566), known also as Rondeletus (Rondeletius), was Regius professor of medicine at the University of Montpellier in southern France and Chancellor of the University between 1556 and his death in 1566.

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The Halocyprida is one of the two orders within the Myodocopa, in turn a subclass of the ostracods.

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A head is the part of an organism which usually includes the eyes, ears, nose, and mouth, each of which aid in various sensory functions such as sight, hearing, smell, and taste, respectively.

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The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.

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Hemigrapsus sanguineus

Hemigrapsus sanguineus, the Japanese shore crab or Asian shore crab, is a species of crab from East Asia.

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Hemocyanins (also spelled haemocyanins and abbreviated Hc) are proteins that transport oxygen throughout the bodies of some invertebrate animals.

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Hemoglobin (American) or haemoglobin (British); abbreviated Hb or Hgb, is the iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates (with the exception of the fish family Channichthyidae) as well as the tissues of some invertebrates.

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In biology, a hermaphrodite is an organism that has complete or partial reproductive organs and produces gametes normally associated with both male and female sexes.

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The subphylum Hexapoda (from the Greek for six legs) constitutes the largest number of species of arthropods and includes the insects as well as three much smaller groups of wingless arthropods: Collembola, Protura, and Diplura (all of these were once considered insects).

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The Holocene is the current geological epoch.

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Hoplocarida is a subclass of crustaceans.

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Insects or Insecta (from Latin insectum) are hexapod invertebrates and the largest group within the arthropod phylum.

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Integrative and Comparative Biology

Integrative and Comparative Biology is the scientific journal for the Society for Integrative and Comparative Biology (formerly the American Society of Zoologists).

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International Union for Conservation of Nature

The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natural resources.

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Isopoda is an order of crustaceans that includes woodlice and their relatives.

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Japanese spider crab

The, Macrocheira kaempferi, is a species of marine crab that lives in the waters around Japan.

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Journal of Evolutionary Biology

The Journal of Evolutionary Biology is a bimonthly peer-reviewed scientific journal covering the field of evolutionary biology.

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Journal of Natural History

The Journal of Natural History is a scientific journal published by Taylor & Francis focusing on entomology and zoology.

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Journal of Paleontology

The Journal of Paleontology is a peer-reviewed scientific journal covering the field of paleontology.

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Journal of the Marine Biological Association of the United Kingdom

The Journal of the Marine Biological Association of the United Kingdom is a scientific journal published by Cambridge University Press on behalf of the Marine Biological Association.

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Journal of Zoological Systematics and Evolutionary Research

Journal of Zoological Systematics and Evolutionary Research is a quarterly, peer reviewed, scientific journal, published by Wiley-Blackwell.

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The Jurassic (from Jura Mountains) was a geologic period and system that spanned 56 million years from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period Mya.

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Krill are small crustaceans of the order Euphausiacea, and are found in all the world's oceans.

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A larva (plural: larvae) is a distinct juvenile form many animals undergo before metamorphosis into adults.

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Lepidocaris rhyniensis is an extinct species of crustacean.

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Leptostraca (from the Greek words for thin and shell) is an order of small, marine crustaceans.

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List of carcinologists

A carcinologist is a scientist who studies crustaceans or is otherwise involved in carcinology (the science of crustaceans).

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Living fossil

A living fossil is an extant taxon that closely resembles organisms otherwise known only from the fossil record.

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Lobsters comprise a family (Nephropidae, sometimes also Homaridae) of large marine crustaceans.

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Malacostraca is the largest of the six classes of crustaceans, containing about 40,000 living species, divided among 16 orders.

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Mandible (arthropod mouthpart)

The mandibles of a bull ant The mandible (from mandibula or mandĭbŭ-lum, a jaw) of an arthropod is a pair of mouthparts used either for biting or cutting and holding food.

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Mantis shrimp

Mantis shrimps, or stomatopods, are marine crustaceans of the order Stomatopoda.

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Marbled crayfish

The marbled crayfish or Marmorkrebs, is a parthenogenetic crayfish that was discovered in the pet trade in Germany in the 1990s.

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Maxilla (arthropod mouthpart)

In arthropods, the maxillae (singular maxilla) are paired structures present on the head as mouthparts in members of the clade Mandibulata, used for tasting and manipulating food.

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Maxillopoda is a diverse class of crustaceans including barnacles, copepods and a number of related animals.

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The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is an SI derived unit of length equaling (SI standard prefix "micro-".

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Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.

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Ministry for Culture and Heritage

The Ministry for Culture and Heritage (MCH) (Māori: Manatū Taonga) is the public service department of New Zealand charged with advising the government on policies and issues involving the arts, culture, heritage, sport and recreation, and broadcasting sectors, and participating in functions that advance or promote those sectors.

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Ministry of Fisheries and Agriculture (Iceland)

The Icelandic Ministry of Fisheries and Agriculture (Icelandic: Sjávarútvegs- og Landbúnaðarráðuneytið) is a cabinet-level ministry.

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Molecular Biology and Evolution

Molecular Biology and Evolution is a monthly peer-reviewed scientific journal published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.

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Morten Thrane Brünnich

Morten Thrane Brünnich (30 September 1737 – 19 September 1827) was a Danish zoologist and mineralogist.

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Motility is the ability of an organism to move independently, using metabolic energy.

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Traditionally, the Myodocopa and Podocopa have been classified as subclasses within the class Ostracoda, although there is some question about how closely related the two groups actually are.

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The Myodocopida is one of the two orders within the Myodocopa, in turn a subclass of the Ostracoda.

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Myriapoda is a subphylum of arthropods containing millipedes, centipedes, and others.

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Mystacocarida is a subclass of crustaceans, that form part of the meiobenthos.

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Natural History Museum of Los Angeles County

The Natural History Museum of Los Angeles County is the largest natural and historical museum in the western United States.

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Nature (journal)

Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.

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The order Notostraca comprises the single family Triopsidae, containing the tadpole shrimp or shield shrimp.

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Nucleic acid sequence

A nucleic acid sequence is a succession of letters that indicate the order of nucleotides forming alleles within a DNA (using GACT) or RNA (GACU) molecule.

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The Ordovician is a geologic period and system, the second of six periods of the Paleozoic Era.

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Osteichthyes, popularly referred to as the bony fish, is a diverse taxonomic group of fish that have skeletons primarily composed of bone tissue, as opposed to cartilage.

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Ostracods, or ostracodes, are a class of the Crustacea (class Ostracoda), sometimes known as seed shrimp.

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Oxford University Press

Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.

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Pain in crustaceans

The question of whether crustaceans experience pain is a matter of scientific debate.

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Pancrustacea is a clade, comprising all crustaceans and hexapods.

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In taxonomy, a group is paraphyletic if it consists of the group's last common ancestor and all descendants of that ancestor excluding a few—typically only one or two—monophyletic subgroups.

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In evolutionary biology, parasitism is a relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm, and is adapted structurally to this way of life.

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Parthenogenesis (from the Greek label + label) is a natural form of asexual reproduction in which growth and development of embryos occur without fertilization.

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The Portable Document Format (PDF) is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

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Pentastomida are an enigmatic group of parasitic crustaceans commonly known as tongue worms due to the resemblance of the species of the genus Linguatula to a vertebrate tongue.

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The superorder Peracarida is a large group of malacostracan crustaceans, having members in marine, freshwater, and terrestrial habitats.

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Perspicaris is a fossil arthropod from the Cambrian period.

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Philosophical Transactions of the Royal Society

Philosophical Transactions, titled Philosophical Transactions of the Royal Society (often abbreviated as Phil. Trans.) from 1776, is a scientific journal published by the Royal Society.

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Phyllocarida is a subclass of crustaceans, comprising the extant order Leptostraca and the extinct orders Hymenostraca and Archaeostraca.

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Pierre Belon

Pierre Belon (1517–1564) was a French traveler, naturalist, writer and diplomat.

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The Podocopa are a subclass of ostracods.

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The Podocopida are an order of ostracods in the subclass Podocopa.

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Polychelida is a group of decapod crustaceans.

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Proceedings of the Royal Society

Proceedings of the Royal Society is the parent title of two scientific journals published by the Royal Society.

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Remipedia is a class of blind crustaceans found in coastal aquifers which contain saline groundwater, with populations identified in almost every ocean basin so far explored, including in Australia, the Caribbean Sea, and the Atlantic Ocean.

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Rhizocephala are derived barnacles that parasitise decapod crustaceans.

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Salinity is the saltiness or amount of salt dissolved in a body of water (see also soil salinity).

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Science (journal)

Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.

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A scientist is a person engaging in a systematic activity to acquire knowledge that describes and predicts the natural world.

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Sea louse

A sea louse (plural sea lice), often confused with sea fleas, is a member of a family of copepods (small crustaceans) within the order Siphonostomatoida, the Caligidae.

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Sessilia is an order of barnacles, comprising the barnacles without stalks, or acorn barnacles.

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Sessility (motility)

In biology, sessility (in the sense of positional movement or motility) refers to organisms that do not possess a means of self-locomotion and are normally immobile.

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Sexual reproduction

Sexual reproduction is a form of reproduction where two morphologically distinct types of specialized reproductive cells called gametes fuse together, involving a female's large ovum (or egg) and a male's smaller sperm.

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The term shrimp is used to refer to some decapod crustaceans, although the exact animals covered can vary.

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Sister group

A sister group or sister taxon is a phylogenetic term denoting the closest relatives of another given unit in an evolutionary tree.

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Smithsonian Contributions and Studies Series

The Smithsonian Contributions and Studies Series is a collection of serial periodical publications produced by the Smithsonian Institution, detailing advances in various scientific and societal fields to which the Smithsonian Institution has made contributions.

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Somites (outdated: primitive segments) are divisions of the body of an animal or embryo.

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In biology, a species is the basic unit of classification and a taxonomic rank, as well as a unit of biodiversity, but it has proven difficult to find a satisfactory definition.

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Springer Science+Business Media

Springer Science+Business Media or Springer, part of Springer Nature since 2015, is a global publishing company that publishes books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.

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Sternum (arthropod anatomy)

The sternum (pl. "sterna") is the ventral portion of a segment of an arthropod thorax or abdomen.

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Stygotantulus stocki is a species of crustacean, living as an ectoparasite on harpacticoid copepods of the families Tisbidae and Canuellidae.

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In zoological nomenclature, a subphylum is a taxonomic rank below the rank of phylum.

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Systema Naturae

(originally in Latin written with the ligature æ) is one of the major works of the Swedish botanist, zoologist and physician Carl Linnaeus (1707–1778) and introduced the Linnaean taxonomy.

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Talitridae is a family of amphipods.

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Tantulocarida is a highly specialised group of parasitic crustaceans that consists of about 33 species, treated as a subclass of the class Maxillopoda (copepods and barnacles).

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In biology, a taxon (plural taxa; back-formation from taxonomy) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit.

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Te Ara: The Encyclopedia of New Zealand

Te Ara: The Encyclopedia of New Zealand is an online encyclopedia created by the Ministry for Culture and Heritage of the New Zealand Government.

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The telson is the posterior-most division of the body of an arthropod.

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A tergum (Latin for "the back"; plural terga, associated adjective tergal) is the dorsal ('upper') portion of an arthropod segment other than the head.

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Terrestrial animal

Terrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, spiders), as compared with aquatic animals, which live predominantly or entirely in the water (e.g., fish, lobsters, octopuses), or amphibians, which rely on a combination of aquatic and terrestrial habitats (e.g., frogs, or newts).

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Terrestrial crab

A number of lineages of crabs have evolved to live predominantly on land.

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Tesnusocaris goldichi is an extinct species of remipedian crustacean that lived in the Pennsylvanian period, the one of the two representatives of the extinct remipedian Order Enantiopoda.

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The Canadian Encyclopedia

The Canadian Encyclopedia (abbreviated as TCE) is a source of information on Canada published by Historica Canada of Toronto.

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Thecostraca is a subclass of marine invertebrates containing about 1,320 described species.

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The thorax or chest (from the Greek θώραξ thorax "breastplate, cuirass, corslet" via thorax) is a part of the anatomy of humans and various other animals located between the neck and the abdomen.

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The Thylacocephala (from the Greek θύλακος or thylakos, meaning "pouch", and κεφαλή or cephalon meaning "head") are a unique group of extinct arthropods, with possible crustacean affinities.

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The ton is a unit of measure.

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Tree of Life Web Project

The Tree of Life Web Project is an Internet project providing information about the diversity and phylogeny of life on Earth.

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The Triassic is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.9 million years ago (Mya), to the beginning of the Jurassic Period Mya.

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Trilobites (meaning "three lobes") are a fossil group of extinct marine arachnomorph arthropods that form the class Trilobita.

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Triops cancriformis

Triops cancriformis, or tadpole shrimp, is a species of tadpole shrimps found in Europe to the Middle East and India.

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Undescribed taxon

In taxonomy, an undescribed taxon is a taxon (for example, a species) that has been discovered, but not yet formally described and named.

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University College London

University College London (UCL) is a public research university in London, England, and a constituent college of the federal University of London.

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University of Bristol

The University of Bristol (simply referred to as Bristol University and abbreviated as Bris. in post-nominal letters, or UoB) is a red brick research university located in Bristol, United Kingdom.

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University of California, Berkeley

The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public research university in Berkeley, California.

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University of Edinburgh

The University of Edinburgh (abbreviated as Edin. in post-nominals), founded in 1582, is the sixth oldest university in the English-speaking world and one of Scotland's ancient universities.

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Water column

A water column is a conceptual column of water from the surface of a sea, river or lake to the bottom sediment.

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Whale louse

A whale louse is a commensal crustacean of the family Cyamidae.

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A woodlouse (plural woodlice) is a terrestrial isopod crustacean with a rigid, segmented, long exoskeleton and fourteen jointed limbs.

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Zootaxa is a peer-reviewed scientific mega journal for animal taxonomists.

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Crustacea, Crustacean Louse, Crustacean louse, Crustaceans, Crustacen, Edible crustaceans, Eucrustacea, Fossil crustaceans, Gastric mill, Life cycle of crustaceans, Masticatory stomach, Pleuron (crustacean anatomy), Urcrustacea.


[1] https://en.wikipedia.org/wiki/Crustacean

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