41. What Is An Isopod? Classification and systematics, anatomy, and evolutionary history. http://tolweb.org/tree/eukaryotes/animals/arthropoda/crustacea/isopoda/accessory

Table of Contents 1. Isopod Classification and Systematics 2. Isopod Anatomy 3. Isopod Evolutionary History . Classification and Systematics Phylum Arthropoda Subphylum Crustacea Class Malacostraca Subclass Eumalacostraca Superorder Peracarida Order Isopoda Suborder Anthuridea Leach, 1814 Suborder Asellota Latreille, 1803 Suborder Calabozoidea Van Lieshout, 1983 Suborder Epicaridea Latreille, 1831 Suborder Flabellifera G.O. Sars, 1882 Suborder Gnathiidea Leach, 1814 Suborder Microcerberidea Lang, 1961 Suborder Oniscidea Latreille, 1803 ( image Suborder Phreatoicidea Stebbing, 1893 Buz Wilson's homepage Suborder Valvifera G.O. Sars, 1882 Click here for a Key to the Isopod Suborders There are ten suborders of the order Isopoda (above). The family Cirolanidae is one of 17 families in the non-monophyletic suborder Flabellifera. A complete list of all marine isopod species has been compiled by Brian Kensley and Marilyn Schotte. Click here to view the original Kensley/Schotte world isopod list. This list has been updated and put in database format (tab-delimited) by this PEET project. This database can be downloaded by clicking on the link below. Kensley/Schotte Marine Isopods of the World: tab-delimited Microsoft Word text file Phylogeny Isopod page of Tree of Life Tree Base Back to top . General Isopod Anatomy (Definitions of colored terms can be found in the Glossary of Technical Terms The order Isopoda Latreille, 1817, is distinguished from the other six orders of Peracarida by the following combination of characters:

42. CRUSTACEA‚Æ‚Í The summary for this Japanese page contains characters that cannot be correctly displayed in this language/character set. http://www.h2.dion.ne.jp/~capcr/page002.html

CRUSTACEA ‚P‚X‚X‚T”N‚ÉûM’J—R”üŽq‚ðŽåÉ‚ɁA‰·˜a‚ȃpƒ“ƒNŽuŒüPerformance Unit‚Æ‚µ‚āA“Œ‹žE‘åãE‹ž“s‚̏— «ƒ_ƒ“ƒT[‚ÅŒ‹¬BŠÖ“ŒEŠÖ¼‚ð‰•œ‚·‚鉓‹——£—öˆ¤“IŠˆ“®‚ð‚S”N‚É“n‚肨‚±‚È‚¢A‚X‚X”N‚ÉûM’J—R ƒA[ƒeƒBƒXƒgƒo ƒ“ƒN «‚Å‚ ‚邱‚Æ‚ð‘O’ñ‚ɁA‰ß‹Ž‚Å‚à–¢—ˆ‚Å‚à‚È‚¢¡Aˆê”Ô‘åØ‚¾‚ÆŽv‚¤‚±‚Ƃ𖾊m‚É‚µAƒJƒ‰ƒ_‚©‚çŸø‚ݏo ‚鐺‚ð•‚‚«’¤‚è‚É‚·‚邽‚߁Ag‘̐«‚ɏœ_‚ði‚éB ‚·‚ׂĂðŽhŒƒ‚·‚é•‘‘ä‚ð“WŠJ‚·‚éB uISHvƒVƒŠ[ƒY‚𒆐S‚Æ‚µ‚½ Œ€ê‚ł̍ì•i ã‰‰ˆÈŠO‚ɁA˜HãEclubECME–ìŠO‚Ȃǂ֏oŒü‚«A•L‚¢ –³·•Ê‚ÈŠÏ‹q‚Ì‘O‚Å‚Ì ƒCƒxƒ“ƒgƒ_ƒ“ƒXŠˆ“® ‚ð‚¨‚±‚È‚Á‚Ä‚¢‚éB ƒCƒxƒ“ƒg‚̃_ƒ“ƒX‚́Aƒ_ƒ“ƒX‚ªŽ‚ƒGƒ“ƒ^ƒeƒCƒƒ“ƒg«‚ð‚Ó‚ñ‚¾‚ñ‚ɐ·‚荞‚݁A’ZŽžŠÔ‚Å‹­—ó‚ȃCƒ“ƒpƒN ‚±‚È‚¤Šˆ“®‚Å‚ ‚éB

43. Introduction To Branchiopoda Overview of the group containing the Anostraca (fairy shrimp or sea monkeys ), Notostraca (tadpole shrimp), Cladocera (water fleas), and Conchostraca (clam shrimp). http://www.ucmp.berkeley.edu/arthropoda/crustacea/branchiopoda.html

Introduction to Branchiopoda Sea monkeys, tadpole shrimp, water fleas, and clam shrimp Left: A mirrored right lateral view of Daphnia magna , courtesy of www.splash.org Right: A right lateral view of a fairy shrimp, courtesy of U.S. Fish and Wildlife Service The Branchiopoda consist of four living groups: the Anostraca ("fairy shrimp" or "sea monkeys"), Notostraca ("tadpole shrimp"), Cladocera ("water fleas"), and Conchostraca ("clam shrimp'). There are also two fossil groups that belong to the Branchiopoda, but it is unresolved whether they are subgroups within the living groups or evolved separately. Here the fossil groups will be discussed within the living groups to which they are most similar. With almost 800 described species, it is difficult to generalize about the branchipods. Most live in fresh or brackish (slightly salty) water and a few are found in marine habitats. Many are found exclusively in temporary ponds, where their eggs survive long periods of drought. You often find packages of dried eggs for sale in pet and toy stores. When the eggs are placed in water with an airstone, they hatch in just a couple days and you can watch them grow and swim. They are often used as food for aquarium animals. It is even more difficult to generalize about the body form of branchiopods. The thorax and abdomen are fused or indistinguishable in most but the Anostraca. Their

44. Welcome To Crustacea Web Services: Find It All On Crustacea.citeweb.net! Welcome to crustacea. Welcome to crustacea Web Services Find it allon crustacea.citeweb.net! crustacea Services on crustacea.citeweb http://crustacea.citeweb.net/

Welcome to crustacea Welcome to crustacea Web Services: Find it all on crustacea.citeweb.net! crustacea Services on crustacea.citeweb.net Search crustacea, Find crustacea, Online crustacea Tools

45. Introduction To The Crustaceamorpha Introduction to the crustaceamorpha. Seafood special and other crusties.The crustaceamorpha includes lobsters, crabs, shrimp, pill http://www.ucmp.berkeley.edu/arthropoda/crustacea/crustaceamorpha.html

Introduction to the Crustaceamorpha Seafood special and other crusties The Crustaceamorpha includes lobsters, crabs, shrimp, pill bugs, krill, barnacles, water fleas, brine shrimp (sea monkeys) copepods ostracods There are many more that remain to be named, particularly in the deep sea. A number of species are economically important to humans as sources of food, and many serve as the main source of food for many fish and whales. If you aren't yet convinced how important crustaceans are, think about this: Crustaceamorpha are the dominant arthropods, and very often the most numerically abundant type of animal in aquatic environments. They make up a significant portion of animal communities in all aquatic habitats, from the most extreme (glacial ice or temporary desert ponds) to the largest (deep ocean) and everywhere in between. The Crustaceamorpha are arguably the most well known of the arthropods because of their contributions to aquatic, aerial, and terrestrial food webs. Crustaceans have an extremely wide variety of body shapes. In fact, body form is so varied throughout the crustacean groups that the only feature all crustaceans share is the possession of two pairs of antennae at some stage of their life cycle. Their colorful exoskeletons and active habits make them favorites to watch at aquariums and when

46. Crustacés De Polynésie Française - Polynesian Crustacea (Decapoda And Stomato Translate this page crustacea_polynesia introduction sujet crabs bandeau crustacea_polynesia. http://biomar.free.fr/

crustacea_polynesia introduction sujet crabs bandeau

47. Turkish Journal Of Zoology Ostracod (crustacea) Fauna of Lake Eðirdir (Isparta). Oya ÖZULUÐ, Nerdin KUBANÇ,Dinçer GÜLEN Department of Biology, Zoology Section, Faculty of Science http://mistug.tetm.tubitak.gov.tr/~bdyim/abs.php3?dergi=zoo&rak=0010-7

48. BIS: Crustacea > Introduction crustacea Ostracoda. crustacea. The crustacean body is segmented andorganised into distinct regions. The segments, or somites http://ip30.eti.uva.nl/bis/crustacea.php

Crustacea Ostracoda Crustacea The crustacean body is segmented and organised into distinct regions. The segments, or somites, are typically compressed or depressed to a varying degree, but the dorsal tergum, the ventral sternum and the lateral pleuron are usually recognisable. The body wall is basically chitinous and is most usually reinforced by calcium carbonate to form a rigid exoskeleton. Growth involves periodic moulting of the exoskeleton, involving resorption of calcium salts, and their redeposition in the new-formed outer chitinous skeleton. The body regions comprise a head, thorax (or pereon, mesosome, pereion or peraeon) and abdomen (or pleon or metasome) and an additional tailpiece, the telson. In many taxa a number of the anterior thoracic segments is fused with the head. Although in this case the term head is normally accepted, the name cephalothorax is strictly more correct. In many groups a fold derived from the head extends posteriorly to form a carapace , which covers most or the entire thorax. Primitively, each body segment bears a pair of

49. Class Crustacea (ERMS Taxonomic Hierarchy) European Register of Marine Species Taxonomic hierarchy for the class crustacea.class crustacea Taxonomic position of the class crustacea http://erms.biol.soton.ac.uk/cgi-bin/hierarchy.pl?rank=class&taxon=Crustacea

50. Class Crustacea Class crustacea Domain Eukarya Kingdom Animalia Phylum Arthropoda Class crustacea.Image below curtesy of Marine crustacea of Southern Australia http://www.sidwell.edu/us/science/vlb5/Labs/Classification_Lab/Eukarya/Animalia/

Class Crustacea Domain Eukarya Kingdom Animalia Phylum Arthropoda Class Crustacea Image below curtesy of Marine Crustacea of Southern Australia Crustacea is a class of arthropods consisting mainly of aquatic species. Crustaceans have two pairs of antennae, a pair of eyestalks with compound eyes, and a pair of mandibles on the head as well as a pair of legs on each body segment. These legs are biramous, or two branches, meaning that the each leg has a joint in it. All crustaceans respire via gills. Crustaceans are found all over Earth, particularly in aquatic environments. Back to Phylum Arthropoda Back to Classification Lab Home Page

51. Crustacea image from Biomedia Zoology Museum. With around 35,000 known speciesthe crustacea are a diverse group. Are Insects and crustacea related? http://www.palaeos.com/Invertebrates/Arthropods/Crustacea.htm

Palæos: Arthropoda INVERTEBRATES Crustacea Home Palaeont- ology Evolution ... Vertebrates Index Crustacea Arthropoda Home Introduction Classification Phylogeny ... Hexapoda image from Biomedia - Zoology Museum With around 35,000 known species the Crustacea are a diverse group. They are so incredibly abundant in marine and freshwater habitats are they that they have been called the insects of the water. A majority of zooplankton are Crustacea - either larvae or tiny adults. A few Crustacea (slaters or sow bugs) even live on land, usually under old logs and leaf litter. The majority of crustaceans are marine and are herbivores, although there are also many species which are carnivores or scavengers Most crustaceans have jointed appendages which serve as either walking or swimming legs, and some of which have been modified in some way to serve a special function, such as the claws of lobsters and crabs. The number of body segments varies widely among the different groups. Crustacea are characterized by two pairs of antennae, three pairs of mouthparts, and a special type of larvae called the nauplius (see photo on left) Crustacea generally also have a carapace and compound eyes Most species are filter-feeders or scavengers.

52. CRUSTACEA crustacea. This page is primarily concerned with the group of Invertebratesclassed as the crustacea. crustacea LINKS. The crustacean Society Homepage. http://www.bio.hw.ac.uk/marine/DIR/crust.HTM

CRUSTACEA This page is primarily concerned with the group of Invertebrates classed as the Crustacea. This particular page deals with links to the Crustacea in general, however it contains links to the more specific classes that constitute the main marine types. Other types of crustacean are included in the general links below. The three Classes are: Ostracoda Decapoda Malacostraca Copepoda CRUSTACEA LINKS The Crustacean Society Homepage Links to the Branchiopoda (A class of the Crustacea) List of Crustacean Links. Very Comprensive covering many aspects. Crustacean Research in Paleontology Crustacea page. No Links Just Comprehensive Descriptions. Awards Program of the Crustacea Society Recognised species of Parasitic (on Crustacea) Dinoflagellates Parasitic (on Crustacea) Isopods RETURN TO TOP OF CRUSTACEA PAGE RETURN TO INVERTEBRATES RETURN TO HOME PAGE OSTRACODA LINKS Contact for investigation into the Ostracoda Ostracod Fossil Images Ostracod Electron Microscopy Images Arctic Ostracod Database Gopher Menu on International Research Into Ostracods Ostracod Research Page Taxonomic Listing of the Ostracod Genera RETURN TO TOP OF CRUSTACEA PAGE RETURN TO INVERTEBRATES RETURN TO HOME PAGE DECAPODA LINKS Hermit crabs . Information and Photographs Information on Crab Fisheries in Maryland Krill

53. SENCKENBERG - FIS - Crustacea Translate this page Sektion crustacea, In English. Projekt Bau und Evolution macrurer Decapoda(crustacea) Dr. Dr. M. Gutmann/Marburg, Dr. M. Türkay. Michael Türkay. http://www.senckenberg.de/fis/crust.htm

Sektion Crustacea Sammlung Geschichte Forschung Leitung: Dr. Telefon: 069/ 7542-240 Fax: 069/ 746238 E-Mail Technischer Assistent: Andreas Allspach Telefon: 069/ 7542-247 Fax: 069/ 746238 E-Mail Sekretariat (zus. mit Abt. Zoologie II): Petra Friesleber Telefon: 069/ 7542-354 E-Mail Wissenschaftliche Mitarbeiter/innen: Dr. Michael Apel Telefon: 069/ 7542-344 E-Mail Dr. Dirk Brandis (Postdoc) Telefon: 069 / 7542-251 E-Mail Dipl.-Biol. Holger Hesemann (Doktorand) Telefon: 069/ 7542-344 E-Mail Dr. Jens Stecher Telefon: 069/ 7542-251 E-Mail Sammlung Anzahl klassischer Publikationen Geschichte Forschung Die nachfolgend aufgelisteten Projekte werden von verschiedenen Sektionsmitarbeitern betrieben, die jeweils genannt sind. Einige erfolgen in Zusammenarbeit mit externen Partnern. Arbeiten mit Revisionscharakter ohne regionale Begrenzung Projektgruppe: Terrestrische und semiterrestrische Krabbenfamilien Die Landkrabbe Cardisoma guanhumi Projekt: Taxonomische Revision der Gattung Ocypode Projekt: Taxonomische Revision der Grapsidengattungen Helice und Chasmagnathus Projektgruppe: Projekt: Projekt: Potamon magnum Regional begrenzte Projekte Projektgruppe: Decapoda des westlichen Indischen Ozeans sowie seiner Nebenmeere Projekt: Taxonomie und Zoogeographie der Brachyura und Paguridea des Persisch-Arabischen Golfes [Dr. M. Apel]

54. Invertebrate Zoology - Crustaceans - Crabs, Lobsters And Relatives collections. The collection includes about 60,000 lots of crustacea fromAustralia and the IndoPacific and more than 4,700 type lots. http://www.amonline.net.au/invertebrates/cru/

These animals belong to the phylum Arthropoda (which includes crustaceans, insects and spiders). Crustaceans include lobsters, crayfish, prawns,crabs, prawns, seed shrimps, amphipods, isopods, ostracods, barnacles, slaters, pill bugs. These animals are among the most widespread and diverse group of invertebrates, and the larger malacostracan crustaceans (crabs, lobsters, prawns) are economically valuable. Although originally aquatic, many crustaceans, such as slaters and beachhoppers, are adapted to life on land. Characteristics of crustaceans body segmented with a hardened shellLimbs Limbs generally with two branches Two pairs of antennae Body with 7 or more pairs of sometimes very different appendages for feeding, locomotion and sex Respiration by gills Research The research programs are mainly concerned with the systematics, phylogeny, biology and zoogeography of crustaceans of Australia, the Indo-Pacific region and the Southern Ocean. Projects Systematics and phylogeny of lysanassoid amphipods Systematics of the cerapodine amphipods in the Indo-West Pacific Systematics of Australian Cypridinid ostracods Systematics and Phylogeny of Stomatopod and Decapod Crustaceans Taxonomy, biology and distribution of scavenging crustaceans

55. Crustacea Books Aquaculture Technology Fishfarming Equipment. Books. crustacea. Clickon the title to know more about and to buy it online! crustacean http://members.magnet.at/aquaculture/shrimpbooks.htm

Books Crustacea Click on the title to know more about and to buy it online! Crustacean Farming Crustacean Biogeography Crustacean Sexual Biology The Crustacean Integument: Morphology and Biochemistry ... Ecology of Mysidacea We deliver publications related to any species or subject, ask us or search below: Books Video Music Electronics Top Back Home Systems ... Contact

56. Bromeliad Biota - Phytotelmata - Crustacea crustacea in Bromeliad Phytotelmata. Wolfgang Janetzky. Colonization of bromeliadsby crustacea. Classification and distribution of bromeliadinhabiting crustacea. http://bromeliadbiota.ifas.ufl.edu/crbrom.htm

Bromeliad Biota Bromeliad Phytotelmata Bromeliad Terraria Carnivorous Bromeliads Crustacea in Bromeliad Phytotelmata Wolfgang Janetzky D-26111 Oldenburg, Germany The information on these pages should be cited as follows: Janetzky, W. 1997. Crustacea in bromeliad phytotelmata. Published on WWW at http://BromeliadBiota.ifas.ufl.edu/crbrom.htm Anyone wishing to use any part of the following Wolfgang Janetzky: JANETZKY@hrz2.uni-oldenburg.de Ostracoda - seed shrimps Cladocera - waterfleas Copepoda - copepods Brachyura - crabs ... References Next Page Return to Bromeliad Phytotelmata Return to Bromeliad Biota

57. Crustaceans: Shrimps, Lobsters, Crabs, Barnacles crustaceans; crustaceans II This is a good site for elementaryschoolstudents; crustacea, Decapoda and Stomatopoda of French Polynesia; http://www.floridasmart.com/subjects/ocean/animals_ocean_crust.htm

Your Florida Web Guide Advertise Sponsor Be an Editor Attractions ... Local You are here: Home Subjects Oceans Sea Life Crustaceans Sponsor this page This space available. Sea Life Index Crustaceans Shrimp Lobsters Crabs Barnacles Related Directories: Ocean Studies Animal Studies Florida Fishing Natural Florida ... FL Aquariums This Page Edited By Debbie Lennon Sea Turtle Volunteer Do you know of a Marine Life site that we missed? Click here to add a link Crustaceans: Shrimp Lobster Crabs Barnacles ... Astacology General crustacean info Cladoceran Web Site Information about water fleas, tiny aquatic crustaceans Crustaceans Crustaceans II This is a good site for elementary-school students Crustacea, Decapoda and Stomatopoda of French Polynesia Crustaceans Drawer Crustacean Information-Fl Marine Research Institute Cumacean Taxonomy and Evolution ... The Epicaridea Parasitic isopods of crustacea Index to Crustaceans of S.Australia

58. Phylum Arthropoda-Subphylum Crustacea crustaceans Phylum Arthropoda (Subphylum crustacea). species. TheSubphylum crustacea are a large group of mainly marine species. http://www.woodbridge.tased.edu.au/mdc/Species Register/phylum_arthropoda_crusta

Crustaceans - Phylum Arthropoda (Subphylum Crustacea) Species Home Introduced Species The Arthropods are the largest phylum of free living animals, including millions of species. The Subphylum Crustacea are a large group of mainly marine species. They differ from other arthropods by having two pairs of antennae in front of the mouth. About 40 000 species have been named, however this represents only a small proportion of the total (likely to be more than 100 000 species). The body has a basic plan, being subdivided into head, thorax and abdomen. Quite often, some of the thoracic segments are fused to the head, forming the carapace. Most crustacean groups have a planktonic larval stage that differs greatly in appearance to the adult. The most common larval form is a nauplius, a rounded animal with three pairs of appendages, including large antennae. Crustaceans occur in virtually all marine and most freshwater environments. They range in size from copepods (usually less than 1 mm) to crabs with a maximum leg span of more than 2 m. CRUSTACEANS AT THE MDC The following Crustaceans live at the Marine Discovery Centre: Barnacles Copepods Ostracods Mysids ... Crabs

59. Singapore Zoological Gardens - Docent CORAL REEF CREATURES crustacea (crustacea http://www.szgdocent.org/ff/f-reef7.htm

CORAL REEF CREATURES CRUSTACEA Crustacea Crustacea: Crustacea are the dominant lifeforms in coral reefs. With about 30,000 species, they are the most successful animals in the sea. The same way their cousins, the insects, are on land. Both crustacea and insects are arthropods. Crusty crustacea: As those of us who have tackled a crab dinner realise, crustacea have a rigid external skeleton. Like other arthropods, their exoskeleton is made up of chitin. Unlike other arthropods, this may be reinforced with calcium for added strength. But parts which need to remain flexible have less calcium. Crustacea features: Like all other arthropods, crustacea have a segmented body and appendages. Like other arthropods, crustacea undergo metamorphosis. Crustacea are the only other arthropods besides insects which have compound eyes. Most have 1 pair, on stalks, sometimes plus one unpaired simple eye. Females usually care for the eggs until they hatch. They have 5-7 pairs of segmented legs (10-14 legs), 2 pairs antennae, breathe through gills, and have a heart which pumps the colourless blood through the body. Like land-dwelling arthropods, they have to moult to grow bigger. Just after moulting, they absorb sea water to inflate their new shell so it hardens with space to grow into. They often eat their moult to recycle the calcium. Unlike most insects, crustacea keep moulting even when they reach adult size and can replace lost appendages during a moult. Thus many crustacea drop their appendages when threatened (autotomy). They have special "breaking points" in their limbs and seal off the wound quickly.

60. CSIRO PUBLISHING - Books & CDs Zoological Catalogue of Australia Volume 19.2A. crustacea Malacostraca Syncarida,Peracarida Isopoda, Tanaidacea, Mictacea, Thermosbaenacea, Spelaeogriphacea. http://www.publish.csiro.au/nid/18/pid/3533.htm

appPath = "http://www.publish.csiro.au"; Home Journals About Us Contact Us ... Shopping Cart You are here: Search All content Journals Generic info Advanced Search New Releases Forthcoming Releases Series ... For Authors Zoological Catalogue of Australia Volume 19.2A Crustacea: Malacostraca: Syncarida, Peracarida: Isopoda, Tanaidacea, Mictacea, Thermosbaenacea, Spelaeogriphacea GCB Poore Museum Victoria Illustrations 448 pages Publishers: CSIRO PUBLISHING / Australian Biological Resources Study (ABRS) Hardback - ISBN: 0643069011 - AU $140.00 Description Features Contents Sample ... Related Categories Description Volume 19.2A presents valuable nomenclatural and biological facts on the syncarids, isopods, tanaidaceans and other minor peracarid orders of Crustacea known from Australia. It offers full taxonomic information for 89 families, 351 genera and 1076 described species, with the original literature as well as museum data on the type specimens. Each family introduction is accompanied by a line drawing of a representative species. The volume gives ready access to distributional details for all species known to occur in the Australian fauna, both inside and outside Australian waters, along with a short summary of known ecological data where possible. All taxonomic groups down to families and subfamilies are fully diagnosed and the latest literature discussing their status is reviewed and summarised. Additionally, there are references to key works that can help identify the fauna at all taxonomic levels.

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