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 Eophreatoicus, a freshwater isopod from Australia
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Anthuridea |
Isopods are one of the most diverse orders of crustaceans, with many species living in all environments, but are most common in shallow marine waters. For a topic outline on this subject see List of basic Australia topics. Arthropods are Animals belonging to the Phylum Arthropoda (from Greek ἄρθρον arthron, " Joint " Structure of crustaceans As Arthropods crustaceans have a stiff Exoskeleton, which must be shed to allow the animal to grow ( Ecdysis or molting The Malacostraca (Greek "soft shell" are the largest class of Crustaceans and include most of the animals that non-experts recognize as crustaceans including Pierre André Latreille ( November 20, 1762 - February 6, 1833) was a French entomologist. This article is about the taxonomic rank for the sequence of species in a taxonomic list see Taxonomic order In scientific classification used Anthuridea is a suborder of isopod Crustaceans Epicaridea is a Suborder of Isopods They are Ectoparasites that inhabit other Crustaceans namely Ostracods Copepods Flabellifera is a Suborder of isopod Crustaceans Families Aegidae Ancinidae Woodlice (known by many Common names see below) are Crustaceans with a rigid segmented long Exoskeleton and fourteen jointed limbs Members of the suborder Valvifera are crustaceans resembling Woodlice. Structure of crustaceans As Arthropods crustaceans have a stiff Exoskeleton, which must be shed to allow the animal to grow ( Ecdysis or molting Unlike most crustaceans, isopods are successful on land (suborder Oniscidea, woodlice, which also includes sea slaters), although their greatest diversity remains in the deep sea (suborder Asellota). Woodlice (known by many Common names see below) are Crustaceans with a rigid segmented long Exoskeleton and fourteen jointed limbs Ligia oceanica, the sea slater or common sea slater or sea roach, is a marine Crustacean which is closely related There are also several parasitic species within the genus Cymothoa, commonly known as "tongue-biters" for their habit of nibbling off fishes' tongues and attaching themselves to the floor of the host's mouth. A genus (plural genera from Γένος Latin genus "descent family type gender" is a low-level Taxonomic Cymothoa exigua is a parasitic Crustacean of the family Cymothoidae. The isopods are an ancient group with fossils known from the Carboniferous (suborder Phreatoicidea, family Paleophreatoicidae) that only differ slightly from modern southern hemisphere freshwater phreatoicideans. FOSSIL is a standard protocol for allowing serial communication for Telecommunications programs under the DOS Operating system. The Carboniferous is a geologic period and system that extends from the end of the Devonian period about 359 Southern Hemisphere is the half of a Planet that is South of the Equator —the word hemisphere literally means 'half ball' Freshwater is a word that refers to bodies of water such as Ponds lakes rivers and streams containing low concentrations of dissolved Salts and other Total dissolved There are 4000 known species[1].
Appearance
Isopods have three main body parts; the head, thorax, and abdomen. They have one prominent pair of antennae which are used to search and taste and smell food and have a second pair which are not seen, and seven pairs of crippled legs. Isopods have seven separate appendages on the thorax and paired appendages at the end of the abdomen called uropods. Isopods vary in colour from dark gray to white, with and without pattern. Isopods eat leaves and fish when they have a chance. Isopods live under water in the crab habitat.
References
- ^ Walters, Martin & Johnson, Jinny. The World of Animals. Bath, Somerset: Parragon, 2007. Bath is a city in Somerset in the south west of England It is situated west of London and south-east of Bristol. Parragon is a publishing company based in Bath, UK with offices in Australia, Germany, Hong Kong, India and Year 2007 ( MMVII) was a Common year starting on Monday of the Gregorian calendar in the 21st century.
External links
- Smithsonian Institution World List of Marine, Freshwater and Terrestrial Isopod Crustaceans
- Buz Wilson's Isopod Sites Page
- suborder Phreatoicidea
- suborder Asellota
- suborder Oniscidea
- Prof. Chuck Holliday's Research Page, Prof. Chuck Holliday, Dept. of Biology, Lafayette College. Contains links to articles on osmoregulation in isopods and other crustaceans.
- Australian Isopoda
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