61. Echinodermata - Definition From Biology-Online.org Definition and other additional information on echinodermata from BiologyOnline.org dictionary. http://www.biology-online.org/dictionary/Echinodermata

Login Welcome to biology-online.org! Please login to access all site features. Create account Log me on automatically each visit Join for Free! 14762 members Answers to all your Questions Search dictionary Search site wide Edit page Page history Printable version ... Echinodermata Echinodermata Echinodermata (Science: marine biology) phylum of exclusively marine animals . The phylum is divided into 5 classes: the Asteroidea (starfish), the echinoidea sea urchins), the ophiuroidea (brittle stars and basket stars ), the Holothuroidea (the sea cucumbers) and the Crinoidea ( sea lilies and feather stars Please contribute to this project, if you have more information about this term feel free to edit this page This page was last modified 21:16, 3 October 2005. This page has been accessed 1,382 times. What links here Related changes Permanent link addthis_url = location.href; addthis_title = document.title; addthis_pub = 'biology-online'; Register Login About Us Contact Us ... Link to Us Science Network - Braintrack.com Chemicool.com EquationSheet.com - Equations

62. Echinoderm Phylum (Echinodermata) Chemical Toxicity Studies Echinoderm phylum (echinodermata) Toxicity Studies Toxicology studies from the primary scientific literature on aquatic organisms http://www.pesticideinfo.org/List_AquireAll.jsp?Species=2168

63. Class Asteroidea (Echinodermata): Fossils And The Base Of The Crown Group, The | class asteroidea (echinodermata) Fossils and the base of the crown group, The from American Zoologist in Reference provided free by Find Articles. http://findarticles.com/p/articles/mi_qa3746/is_200006/ai_n8882221

@import url(/css/us/pub_page_article.css); @import url(/css/us/template_503.css); @import url(/css/us/tabs_503.css); @import url(/css/us/fa_bnet.css); @import url(http://i.bnet.com/css/base.css); @import url(http://i.bnet.com/css/fa.css); @import url(http://i.bnet.com/css/temp.css); On GameSpot: Optimize your PC for Unreal Tournament 3 CNET Networks Business: BNET TechRepublic ZDNet All Bnet ... Dictionary Search Advanced Search in free and premium articles free articles only premium articles only Arts Autos Business Health News Reference Sports Technology Search Login Newsletters Today Management ... My BNET Find Articles in: all Arts Autos Business ... Technology Content from our trusted partner BNET Get your own CNET Networks Widget. Content provided in partnership with print share link class asteroidea (Echinodermata): Fossils and the base of the crown group, The American Zoologist Jun 2000 by Blake, Daniel B The Class Asteroidea (Echinodermata): Fossils and the Base of the Crown Group1 SYNOPSIS. Because of limited research, a generally accepted hypothesis has not emerged for the phylogeny of the Asteroidea. The fossil record is a potential source of needed data, although fossil asteroids are rare, and they tend to be poorly preserved. Emphasis in the taxonomy of both recent and fossil asteroids has been on characters visible from the exterior, and paleontologists have sought to fit even the most ancient (i.e., Ordovician) specimens into taxonomic ordinal schemes devised for recent asteroids. Animal form and arrangement of body wall ossicles of Paleozoic asteroids can be similar to those of younger species, thereby suggesting close affinities, yet ambulacral arrangements indicate clear separation of Paleozoic stem groups from the crown group.

64. Echinodermata Translate this page Stamm echinodermata ( Stachelhäuter ). Allgemein Lebensraum -marin. Charakteristisch Pentamerie (fünfstrahlige Radiärsymmetrie) http://www.zoologie-online.de/Systematik/Metazoa/Echinodermata/echinodermata.htm

CD-ROM Zoologie Umfassendes zoologisches Grundwissen + Bilder + Animationen + Audioausgabe + praktischer Teil! + Präparations- anleitung zu den Praktikums- tagen! hier bestellen Zoologie- Klausurfragen CD-ROM 350 originale Klausurfragen im Multiple-Choice Quiz-System mit online Zertifikat hier bestellen Lernposterset Zoologie gesammeltes theoretisches Anatomiewissen übersichtlichauf zwei Postern + ein Extraposter mit den Parasiten im Überblick! Hier bestellen Lernposterset Botanik drei Poster mit zahlreichen histologischen Fotografien, Kennzeichen der wichtigsten Blütenpflanzen- familien und einem völlig neuartigem systematischen Überblick über die Gefäßpflanzen Hier bestellen Systematik theoretische Beschreibungen der einzelnen Tiergruppen zoologie-online.de powered by FreeFind Stamm Klasse Stamm: Echinodermata ( Stachelhäuter ) Allgemein: Lebensraum: -marin Charakteristisch: Pentamerie (fünfstrahlige Radiärsymmetrie) (Achtung: die Pentamerie ist sekundär, die Larve ist noch bilateral-symmetrisch)

65. Intute: Health And Life Sciences - Browse Echinodermata The collection is accessed through their gallery, which is organised under Crustacea; Chelicerata; echinodermata; Echinoidea; Bryozoa; Cnidaria; Porifera, http://www.intute.ac.uk/healthandlifesciences/cgi-bin/browse.pl?id=255699&gatewa

66. Phylum Echinodermata - Classification - Systema Naturae 2000 Phylum echinodermata . Biota Domain Eukaryota - eukaryotes Kingdom Animalia - animals Subkingdom Bilateria - bilaterians;triploblastic animals Branch http://www.taxonomy.nl/Main/Classification/40663.htm

Systema Naturae 2000 / Classification - Phylum Echinodermata Biota Domain Eukaryota - eukaryotes Kingdom Animalia - animals Subkingdom Bilateria - bilaterians;triploblastic animals Branch Deuterostomia - deuterostomes Infrakingdom Coelomopora Phylum Echinodermata Klein, 1734 ex De Brugière, 1789 - echinoderms H N P R ... L Ref: ®[np]Cavalier-Smith, 1998:237; Count: [f]5c;33o;154f;368g;338s;6ss;2v; †9c;6o;3f;76g;5s Class †Bothriocidara H N P R ... L Ref: [o]1997 Class †Camptostromatoidea H N P R ... L Ref: [o]1998 Class †Coronoidea H N P ... L Ref: [o]1997; Count: †2o Subphylum Crinozoa H N P ... L Ref: ®[d]Fell, 1982:786; Count: [f]1c;5o;24f;77g;47s;2ss; †1c;1f;17g;3s Subphylum †Blastozoa H N P ... L Ref: [o]1987; Count: †22g Class Concentricycloidea H N P ... L Ref: [u]Nielsen, 1995; Count: [*]1g;2s Subphylum Asterozoa H N P ... L Ref: ®[d]Fell, 1982:794; Count: [f]1c;9o;57f;114g;133s;4ss;2v; †1f;2g Subphylum †Homalozoa Whitehouse, 1941

67. Image Quest Marine Stock Photo Library : Echinodermata echinodermata. Top aquatic echinode.. Browse by Subject Browse Taxonomically Return to Home Page View Keywords View Lightbox View Newly Added http://www.imagequest3d.com/cgi-bin/ImageFolio4/imageFolio.cgi?direct=aquatic/ec

68. The Starfish Sea-urchins And Allies (Phylum Echinodermata) An introduction to the biology, classification and ecology of Seacucmbers, Sea-stars, Sea-urchins and Starfish of the phylum echinodermata. http://www.earthlife.net/inverts/echinodermata.html

The Phylum Echinodermata Etymology:- From the Greek Echinos for half and Derma for skin. Characteristics of Echinodermata:- 1)Possess 5-rayed symmetry, mostly radial, sometimes bilateral. 2)Body has more than two cell layers, tissues and organs. 3)Body cavity a true coelom. 4)Most possesses a through gut with an anus. 5)Body shape highly variable, but with no head. 6)Nervous system includes a circum-oesophageal ring. 7)Has a poorly defined open circulatory system. 8)Possesses a water vascular system, which hydraulically operates the tube feet or feeding tentacles. 9)Without excretory organs. 10)Normally possesses a subepidermal system of calcareous plates 11)Reproduction normally sexual and gonochoristic. 12)Feeds on fine particles in the water, detritus or other animals. 13)All live marine environments. Because of their calcareous skeleton many echinoderms fossilize well and we have a good record of their evolutionary history derived from more than 20,000 fossil species. They first evolved about 600 million years ago in the Precambrian along with many of the other major phyla. The first echinoderms (called carpoids) did not have any radial symmetry which shows that this characteristic was acquired later in the group's evolutionary history. Echinoderms are often difficult animals to kill and many have well developed powers of regeneration. Early attempts to control the Crown-of-Thorns starfish by chopping it up into several pieces merely resulted in helping it disperse as each piece grew into a new animal. Echinoderms are protected from most predators by their spines, nevertheless some are eaten by other echinoderms and some by human beings. The gonads of Sea Urchins are eaten in several places around the world, both raw and cooked and are considered to be very tasty. Also in Asia the body wall of certain Sea Cucumbers is eaten, this contains over 50% digestible protein so it is valuable nutrition wise as well as tasty, it is called Trepang.

69. Natural History Collections: Echinodermata The name echinodermata, i.e. animals with spiny skin, derives from the spines and tubercles, which project from calcareous ossicles embedded in the skin. http://www.nhc.ed.ac.uk/index.php?page=24.25.312.320

70. South Oahu Harbor Project - Echinodermata Phylum echinodermata Unidentified echinodermata. 1997 - Current Project Spec (Honolulu Harbor). Class Asteroidea Order Valvatida http://www.bishopmuseum.org/research/natsci/invert/nomenclature/sohechinodermata

South Oahu Harbor Project Phylum: Echinodermata - Unidentified Echinodermata 1997 - Current Project Spec (Honolulu Harbor) Class: Asteroidea Order: Valvatida Family: Ophidiasteridae Leiaster leachi hawaiiensis Fisher, 1925 1973 - BPBM-W 2223 (Honolulu Harbor) Linckia sp. Forbes, 1839 1979 - Environmental Consultants Inc., 1979 (Keehi Lagoon) Class: Ophiuroidea Order: Ophiurida Family: Ophiactidae Ophiactis savignyi 1997 - Current Project Spec (Honolulu Harbor) 1997 - Current Project Spec (Keehi Lagoon) 1998 - Current Project Spec (Ala Wai Harbor) 1998 - Current Project Spec (Barbers Point Harbor) 1998 - Current Project Spec (Kewalo Basin) Family: Ophiocomidae Ophiocoma brevipes (Peters [or Agassiz?], 1851 [or 1835?]) 1975 - Thomas, W. J., 1979 (Honolulu Harbor) Ophiocoma sp. Agassiz, 1835 1979 - Environmental Consultants Inc., 1979 (Keehi Lagoon) Class: Echinoidea Order: Cidariida Family: Cidaridae Eucidaris metularia Lamarck, 1816 1997 - Current Project Obs (Honolulu Harbor) 1997 - Current Project Spec (Honolulu Harbor) 1998 - Current Project Spec (Kewalo Basin) Order: Diadematida Family: Diadematidae Diadema paucispinum Agassiz, 1863

71. Echinodermata Free Encyclopedia Articles At Questia.com Online Research echinodermata and other related topics by using the free encyclopedia at the Questia.com online library. http://www.questia.com/library/encyclopedia/echinodermata.jsp

72. Late Miocene Asterozoans (Echinodermata) From The James Ross Island Volcanic Gro Asterozoans (echinodermata) of Late Miocene age (6.02 ± 0.12 Ma) are preserved as external moulds in waterlain tuffs of the James Ross Island Volcanic http://nora.nerc.ac.uk/160/

@import url(http://nora.nerc.ac.uk/style/auto.css); @import url(http://nora.nerc.ac.uk/style/print.css); @import url(http://nora.nerc.ac.uk/style/nojs.css); nerc.ac.uk Help Contact us Home ... Login Late Miocene asterozoans (Echinodermata) from the James Ross Island Volcanic Group Williams, Mark Smellie, John L. Johnson, Joanne S. Blake, Daniel B. . 2006 Late Miocene asterozoans (Echinodermata) from the James Ross Island Volcanic Group. Antarctic Science , 18 (1). 117-122. doi:10.1017/S0954102006000113 Full text not available from this repository. Official URL: http://dx.doi.org/10.1017/S0954102006000113 Abstract/Summary Asterozoans (Echinodermata) of Late Miocene age (6.02 ± 0.12 Ma) are preserved as external moulds in water-lain tuffs of the James Ross Island Volcanic Group (JRIVG), James Ross Island, Antarctic Peninsula. The asterozoans are complete, and appear to represent specimens suffocated after having been pinioned by rapid sedimentation on the distal fringe of an erupting sub-aqueous tuff cone. Although the coarse nature of the host sediments has obliterated the fine morphological detail of the specimens, at least one suggests evidence of entrainment by a turbidity current. A second shows evidence of detachment of the distal tip of one of its arms. In addition to fossil discoveries from glaciomarine sediments, the volcanic tuffs of the JRIVG represent a new source of fossil data that can be used to interpret the ecology and environment of the Antarctic marine shelf biota during the Neogene.

73. Echinodermata echinodermata are a highly unique invertebrate group. Among a whole series of their morphological specifics, the following three basic characteristics may http://www.fegi.ru/prim/sea/igl.htm

ECHINODERMATA phylum ECHINODERMATA (Klein, 1734) Sea lilies Starfishes Sea urchins Ophiuroidea ... Holothurians or sea cucumbers Echinodermata are a highly unique invertebrate group. Among a whole series of their morphological specifics, the following three basic characteristics may be distinguished: (1) five-ray radial symmetry, (2) lime mesoderm skeleton with highly diverse skeletal elements, and (3) ambulacral or water-vascular, coelomic system. The life cycle of all echinoderms, except adult benthos forms, includes (plankton) larvae freely swimming deep in the water, likewise highly diversified morphologically in various groups of recent echinoderms. Today, recent echinoderm world fauna is represented by 6,250 species. The current diversity of this group is considerably less than before, say in Paleozoic. Today, only six of twenty-four classes remain from this formerly vast group of invertebrate animals. According to our counts, Southern Primorye is inhabited by 74 echinoderm species representing five classes. A. ADRIANOV, Doctor Sci. (Biology)

74. Echinodermata Collection echinodermata Collection The single source for the highest quality Biology, Biotechnology, Earth Science, Environmental Science, Forensics, http://www.wardsci.com/product.asp_Q_pn_E_IG0004341_A_Echinodermata Collection

var cmJv="1.1"; var cmJv="1.2"; var cmJv="1.3"; var cmJv="1.4"; var cmJv="1.5"; var cmJv="1.1"; var cmJv="1.2"; var cmJv="1.3"; var cmJv="1.4"; var cmJv="1.5"; Your Shopping Cart: Your Cart Contains 0 Items Total $0.00 100% SECURE SHOPPING Biology Earth Science Chemistry ... and Lab January 24, 2008 Your email address: New Products Web Specials Professional Development International Customers ... About WARD's Products Catalog Earth Science Echinodermata Collection Thursday, January 24, 2008 var hasCoreMetricsTag = true; //not needed since Product View Tag is an implicit Page View Tag //cmCreatePageviewTag("Product: ", null, ""); cmCreateProductviewTag('IG0004341', 'Product: Echinodermata Collection', ''); Echinodermata Collection The set includes cystoid, blastoid, crinoid calyx and stem, and both regular and irregular echinoids. Paleozoic to Cenozoic. Set of 12. Item # Description Price Qty 50 V 2130 Echinodermata Collection Home Site Map Order a Catalog Help ... FAQ

75. A New Class Of Echinodermata From New Zealand echinodermata (Geological Society of America and University of Kansas Press, 1966 68). 3. Blake, D. B. Palaeontology 25, 167 191 (1982). http://www.nature.com/nature/journal/v321/n6073/abs/321862a0.html

nature.com about npg news@nature.com naturejobs ... register SEARCH JOURNAL Journal Home Current Issue AOP Archive THIS ARTICLE Download PDF References Export citation Export references ... Table of Contents Nature , 862 - 864 (26 June 1986); doi:10.1038/321862a0 A new class of Echinodermata from New Zealand Alan N. Baker , Francis W. E. Rowe National Museum of New Zealand, Wellington WN1, New Zealand Australian Museum, Sydney, New South Wales 2000, Australia During examination of echinoderms from sunken wood collected from depths between 1,057 and 1,208 m off the New Zealand coast, we discovered nine specimens of a small flattened discoidal invertebrate. These animals, briefly described here, superficially resemble a cnidarian medusa, but their pentamerous morphology is distinctly echinoderm-like. We consider that the features of these newly discovered echinoderms warrant the recognition of a new class. Xyloplax medmiformis n.gen. and n.sp. represents a radical departure in morphology from any other known extant echinoderm. Its obvious tube feet, clearly pentamerous body pattern, and calcite skeleton leave no doubt that the animal is an echinoderm. However, its concentrically arranged skeletal structures and single series of tube feet arranged in a ring are novel. The water vascular system of Xyloplax consists of a double ring of canals which service the tube feet in inter-radial positions; in all other living echinoderms the vascular ring (circum-oral) is single, and the tube feet are serviced from it in radial positions. These specimens represent the first new class of living echinoderms to be described since 1821. A full description of the new taxon is in preparation.

76. KGS--Comanchean And "Dakota" Formations--COELENTERATA, ANNELIDA, ECHINODERMATA echinodermata. Salenia kansasense, n. sp. (Plate VII, figure 7.) The test is small, 18 mm. in diameter (which may be a little too great, as there is some http://www.kgs.ku.edu/Publications/Bulletins/9/07_paleo.html

Skip Navigation Start Contents Introduction ... Structure Paleontology Plates Bibliography Prev PageStructure, Correlation Next PageBRACHIOPODA, GASTROPODA, SCAPHOPODA Invertebrate Paleontology and Faunal Summary In the descriptions which follow, a total of seventy-eight species and varieties is described. These embrace species described by Meek, Cragin, White and others, and new species described by the writer. An effort was made to see the material on which Cragin worked, but it could not be found. He listed many species which are doubtfully present, and he listed species by one name which he subsequently described under another. As he was far removed from large libraries and collections, it is obvious that he labored under extreme difficulties. It has been extremely difficult at times to decide what forms Cragin had in mind; but so far as the writer has been able, he has retained all names given by Cragin. Some of the names have been omitted as obviously in error. The fauna described by Meek from the "Dakota" sandstone has been included. All the types of the species described in this article for the first time are in the museum of the University of Kansas. The writer has cotypes of all species of which material is abundant.

77. BOTW Directory - Science > Biology > Plants And Animals > Animalia > Echinoderma Finding the best echinodermata websites since 1994. Research the Sciences, find astronomical facts, discover the wonders of biological processes, http://botw.org/top/Science/Biology/Plants_and_Animals/Animalia/Echinodermata/

Directory Submit Site Free Advertising Sign In ... Sponsor This Category Free for 60 Days - Customize your message and appear alongside search results. Start your Free Trial today! Top: Science: Biology: Animalia: ... Animal Diversity Web Phylum Echinodermata - Information on the largest group of fauna without any freshwater or land representatives includes habitat, distribution, unique features and taxonomic history. BioLib Echinodermata Echinoderms - Photographs of various representatives of this phylum. With names of authors. Biological Bulletin: Echinoderms - Offers various scientific researches and studies about this phylum and its species. With abstracts and full texts. Biological Diversity: Animals III - Features an overview and descriptions of classes. With photos and a graphical representation of the anatomy of an adult sea star. Biology of Echinoderms - Presents a video detailing the distinguishing characteristics of the different classes of this phylum. Includes photos. Black Hills State University Echinoderms - Presents the anatomical and physiological features of species under the classes Asteroidea, Ophiuroidea, Echinoidea, and Holothuroidea. British Chalk Echinoderms - Information about fossil members of the phylum. With images.

78. Alfred Wegener Institute For Polar And Marine Research (AWI) Echinodermata Home.Research.Research Programme.Topic CO.CO2 Coastal diversity key species and food webs.List of Species.echinodermata. Printversion of this page http://www.awi.de/en/research/research_programme/topic_co/co2_coastal_diversity_

Directly to mainnavigation Directly to content Directly to search Special pages: Sitemap Contact FAQ Imprint ... Calendar Choose the language of the website: Mainnavigation: Home News Institute Research ... Discover Search in www.awi.de Suche Subnavigation: Overview Research Research Overview Research Programme Research Programme Overview Topic CO Topic CO Overview CO2: Coastal diversity: key species and food webs CO2: Coastal diversity: key species and food webs Overview List of Species List of Species Diatoms Dinoflagellates Cnidaria ... Crustacea Echinodermata Tunicata Turbellaria Crustacea Pisces ... Mammals You are here: Home Research Research Programme Topic CO ... List of Species Echinodermata List of Species: Zooplankton - Echinodermata Table 2: Zooplankton 2.8 Echinodermata Species Location Habitat Remarks References Asterias rubens (Linnaeus, 1758) m K¼nne 1952 Special pages: Sitemap Contact FAQ Imprint ... Calendar Choose the language of the website:

79. Echinodermata - Wiktionary edit Proper noun. Wikipedia has an article on. echinodermata Wikipedia. echinodermata Retrieved from http//en.wiktionary.org/wiki/echinodermata http://en.wiktionary.org/wiki/Echinodermata

Echinodermata From Wiktionary Jump to: navigation search Contents Translingual Etymology Proper noun Related terms ... edit Translingual edit Etymology Latin echino sea-urchin edit Proper noun Wikipedia has an article on: Echinodermata Wikipedia Echinodermata the echinoderms ; a taxonomic phylum , within superphylum Deuterostomia - various sea creatures edit Related terms Wikispecies has information on: Echinodermata Wikispecies Eleutherozoa Pelmatozoa Retrieved from " http://en.wiktionary.org/wiki/Echinodermata Category Echinoderms Views Article Discussion Edit History Personal tools Log in / create account Navigation Main Page Community portal Requested entries Recent changes ... Contact us Search Toolbox What links here Related changes Upload file Special pages ... Permanent link This page was last modified 15:16, 30 January 2007. Content is available under GNU Free Documentation License About Wiktionary

80. MBL :: Marine Organisms:: Marine Organisms Database MBL Biological Discovery in Woods Hole Contact Us Directions Text Size Small Medium Large. Home About the MBL Education Research Support http://www.mbl.edu/marine_org/marine_org.php?func=stats

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