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Arthropods are invertebrate animals having an exoskeleton, a segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and cuticle made of chitin, often mineralised with calcium carbonate. The arthropod body plan consists of segments
Arthropod eyes Head of a wasp with three ocelli (center), and compound eyes at the left and right. Most arthropods have sophisticated visual systems that include one or more usually both of compound eyes and pigment-cup ocelli ("little eyes"). In most cases, ocelli are only capable of detecting the direction from which light is coming, using ...
The following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 33 phyla in this list. However, different sources give different numbers of classes and phyla. For example, Protura, Diplura, and Collembola are often considered to be the three orders in the class Entognatha. This list should by ...
The evolutionary ancestry of arthropods dates back to the Cambrian period. The group is generally regarded as monophyletic, and many analyses support the placement of arthropods with cycloneuralians (or their constituent clades) in a superphylum Ecdysozoa. Overall, however, the basal relationships of animals are not yet well resolved. Likewise ...
The basic ranks are species and genus. When an organism is given a species name it is assigned to a genus, and the genus name is part of the species name. The species name is also called a binomial, that is, a two-term name. For example, the zoological name for the human species is Homo sapiens. This is usually italicized in print or underlined ...
Pages in category "Lists of arthropods" ... This list may not reflect recent changes. 0–9. 2011 in arthropod paleontology; 2012 in arthropod paleontology;
If you are feeling very brave, you may want to improve taxonomical lists such as (this is far from being a comprehensive list): Arachnid taxonomy. Acari taxonomy; Araneae taxonomy; List of amblypygid genera; Crustacean taxonomy (see taxobox) Malacostraca taxonomy; Insect taxonomy. List of Coccinellidae genera; List of subgroups of the order ...
Arthropods are a phylum of animals. See also : WikiProject Arthropods and ... Arthropod common names (1 C, 28 P) Arthropod conservation (2 C, 5 P) E.