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Topic: Echinodermata


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  Echinodermata on Encyclopedia.com   (Site not responding. Last check: 2007-11-07)
A new distribution record and notes on the biology of the brittle star Ophiactis simplex (Echinodermata: Ophiuroidea) in Texas.
Larval morphometrics and influence of adults on settlement in the gregarious ophiuroid Ophiothrix fragilis (Echinodermata).
New cladid crinoid (phylum echinodermata) from the Middle Devonian Delaware Limestone, Franklin County, Ohio (1).
www.encyclopedia.com /html/E/Echinode.asp   (545 words)

  
 UIUC Paleontology - Recent Publications
The Asteroidea (Echinodermata) of the Muschelkalk (Triassic of Germany).
Evaluation of the Mississippian asteroid (Echinodermata) Compsaster formosus Worthen and Miller: A Paleozoic homeomorph of the post-Paleozoic Asteriidae.
(Asteroidea: Echinodermata), from the Pennsylvanian of Texas, and its homeomorphy with the extant genus Luidia Forbes.
www.geology.uiuc.edu /~fossils/recentpubs.html   (944 words)

  
 Directory - Science: Biology: Flora and Fauna: Animalia: Echinodermata
Phylum Echinodermata  · iweb · cached · Some characteristics of the phylum that includes starfish, sea cucumbers, sea urchins, crinoids and brittle stars.
Introduction to the Echinodermata  · cached · Overview of the systematics and ecology of starfish, brittle stars, sea cucumbers, sea urchins, and sand dollars.
Echinodermata  · iweb · cached · Characteristics and phylogeny of the spiny-skinned animals: sea urchins, starfish, and their allies.
www.incywincy.com /default?p=71086   (134 words)

  
 Phylum Echinodermata   (Site not responding. Last check: 2007-11-07)
In fact, the word Echinodermata means "like a sea urchin's skin" in Greek.
There are at least 2,000 tube feet, which can penetrate the body wall and skeleton in places called ambulacral grooves, in most echinoderms.
There are five major classes in the phylum Echinodermata.
www.sidwell.edu /us/science/vlb6/labs/Classification_Lab/Eukarya/Animalia/Echinodermata   (347 words)

  
 sea stars   (Site not responding. Last check: 2007-11-07)
Effects of dixc and arm loss on regeneration by Microphiopholis gracillima (Echinodermata: Ophiuroidea) in nutrient-free sea water.
Chemical defense in the eggs and embryos of Antarctic sea stars (Echinodermata).
Effects of kelp forests Macrocystis pyrifera on the larval distribution and settlement of red and purple sea urchins strongylocentrotus franciscans and S. purpuratus.
biology.fullerton.edu /courses/biol_317/web/Murray/Fall97/sea_stars.html   (1450 words)

  
 ADW: Echinodermata: Information
Echinodermata has approximately 7000 described living species and about 13,000 extinct species known from the fossil record.
A traditional hypothesis of the Echinodermata using only extant taxonomic groups places the Asteroidea and Ophiuroidea as sister groups based on the shared derived characteristic of a five-rayed body plan.
An alternative hypothesis including fossil groups places Asteroidea as a more primitive group with the derived characteristic of five arms connected to a central disc.
animaldiversity.ummz.umich.edu /site/accounts/information/Echinodermata.html   (1193 words)

  
 Introduction to the Echinodermata   (Site not responding. Last check: 2007-11-07)
These and many other organisms, living and extinct, make up the Echinodermata, the largest phylum to lack any freshwater or land representatives.
Echinoderms have a system of internal water-filled canals, which in many echinoderms form suckered "tube feet", with which the animal may move or grip objects.
Images and information about various living California echinoderms are available through the DELTA Project of the California State University system.
www.ucmp.berkeley.edu /echinodermata/echinodermata.html   (181 words)

  
 CGM - Publications
Messing, C. A key to the genera of Comasteridae (Echinodermata: Crinoidea) with the description of a new genus.
Messing, C.G. Comatulid crinoids (Echinodermata) of Madang, Papua New Guinea, and environs: Diversity and ecology.
Messing, C.G. A revision of the comatulid genus Comactinia A.H. Clark (Echinodermata: Crinoidea).
www.nova.edu /ocean/messing/cgmpublications.html   (611 words)

  
 Nearctica - Natural History - Echinodermata
An introduction to the Echinodermata with a gallery of pictures of various species.
A classification and phylogeny of the Echinodermata including a couple of nice photographs.
A general introduction to the Echinodermata with descriptions and photographs.
www.nearctica.com /nathist/echino/echino.htm   (332 words)

  
 Open Directory - Science: Biology: Flora and Fauna: Animalia: Echinodermata   (Site not responding. Last check: 2007-11-07)
Echinodermata - Characteristics and phylogeny of the spiny-skinned animals: sea urchins, starfish, and their allies.
Introduction to the Echinodermata - Overview of the systematics and ecology of starfish, brittle stars, sea cucumbers, sea urchins, and sand dollars.
Phylum Echinodermata - Some characteristics of the phylum that includes starfish, sea cucumbers, sea urchins, crinoids and brittle stars.
dmoz.org /Science/Biology/Flora_and_Fauna/Animalia/Echinodermata   (166 words)

  
 Echinodermata   (Site not responding. Last check: 2007-11-07)
Echinodermata Press here to search all DOP site.
Phylum Echinodermata To: Down load Echinodermata power point presentation Class: Crinoidea Class: Asteroidea Class: Ophiuroid...
Echinodermata Subphylum Echinozoa Class Echinoidea (regular) Phymosoma () Cidarus () (irregular) Eupatagus () Encope () E...
www.searchreel.com /echinodermata.htm   (113 words)

  
 adhesion
Functional morphology of the podia and ambulacral grooves of the comatulid crinoid, Antedon bifida (Echinodermata).
VANDENSPIEGEL D. Fine structure and behaviour of the Cuvierian organs of the holothuroid Microthele nobilis (Echinodermata).
FLAMMANG P., WALKER G. Measurement of the adhesion of the podia in the asteroid Asterias rubens (Echinodermata).
www.ulb.ac.be /sciences/biomar/html/adhesion.html   (966 words)

  
 Echinodermata - Introduction   (Site not responding. Last check: 2007-11-07)
The Echinodermata, (from the Greek meaning spiny skin), is a phylum containing about 6000 species, and constitutes the only major group of deuterostome* invertebrates.
Since most echinoderms possess some form of calcareous* skeleton, we have a very good fossil record of the evolution of this group, although many aspects of their evolution are far from clear.
However, most workers divide the living echinoderms into four classes; Crinoidea, Stelleroidea, Echinoidea and Holothuroidea.
www-biol.paisley.ac.uk /courses/Tatner/biomedia/units/echi1.htm   (225 words)

  
 Screening of second messengers involved in photocyte bioluminescence control of three ophiuroid species (Ophiuroidea: ...
Involvement of cyclic nucleotides and IP in the regulation of luminescence in the brittlestar Amphipholis squamata (Echinodermata).
Luminescence in ophiuroids (Echinodermata) does not share a common nervous control in all species.
Lippe, C. and Ardizzone, C. Actions of vasopressin and isoprenaline on the ionic transport across the isolated frog skin in the presence and the absence of adenylyl cyclase inhibitors MDL 12330 and SQ22536.
jeb.biologists.org /cgi/content/full/206/17/3007   (3100 words)

  
 Wirshing, H
Fet, V. and Messing, C.G. Case 3270: Isometrinae Clark, 1917 (Echinodermata, Crinoidea): proposed emendation of spelling to Isometrainae to remove homonymy with Isometrinae Kraepelin, 1891 (Arachnida, Scorpiones).
Kirkendale, L. and Messing C.G. An annotated checklist and key to the Crinoidea of Guam and the Commonwealth of the Northern Mariana Islands.
Messing, C.G., Amèziane, N. and Eleaume, M. Echinodermata Crinoidea: Comatulid crinoids of the KARUBAR Expedition to Indonesia.
www.nova.edu /ocean/messing/cgmpubs.html   (697 words)

  
 Echinodermata Sea Stars Feather Stars Sea Urchins Phuket coral reef ecology guide - Thailand Similan Burma
Echinodermata Sea Stars Feather Stars Sea Urchins Phuket coral reef ecology guide - Thailand Similan Burma
The phylum Echinodermata consists of 5 main classes – sea stars, brittle stars, sea urchins, sea cucumbers and feather stars.
We would like to thank Willy for his outstanding graphic design, Helmut Debelius for his ongoing support and Jens Zubke and Jonny Gallick for their great pictures.
www.diveasia.com /reef-guide/echinoderms.htm   (760 words)

  
 BIS: Macrobenthos of the North Sea - Echinodermata > Introduction
BIS: Macrobenthos of the North Sea - Echinodermata > Introduction
Members of the phylum Echinodermata are exclusively marine and most of them are bottom dwellers.
The most striking characteristic of most species of this group is the pentamerous radial symmetry.
ip30.eti.uva.nl /bis/echinodermata.php   (161 words)

  
 Nearctica - Paleontology - Invertebrates - Echinodermata
The Echinodermata includes the starfish (sea stars), sea urchins, sand dollars, crinoids, blastoids, and some less well known fossil groups.
The geological record stretches from the Cambrian to the Recent.
A great introduction to the living and fossil Echinodermata with sections on the fossil record, life history and ecology, systematics, and morphology.
www.nearctica.com /paleo/inverts/echino.htm   (280 words)

  
 Phylum Echinodermata
Phylum Echinodermata is the phylum most closely related to phylum Chordata, our own phylum.
The 6,000 species that make up this phylum do not show body segmentation, and are radially symmetrical when fully grown for the most part.
These tube feet, and in many echinoderms arms and even organs, can be regenerated.
www.sidwell.edu /us/science/vlb5/Labs/Classification_Lab/Eukarya/Animalia/Echinodermata   (344 words)

  
 Echinodermata
The name of this phylum, Echinodermata, refers to the "spiny skin" made of calcium carbonate ossicles.
These ossicles are embedded in the body wall for support.
This Cape Cod research facility deals with the fauna of the North Atlantic, so the species listed here are the locals you'd find in Long Island Sound or at Jones Beach.
www.mercy.edu /faculty/knizeski/echino.html   (829 words)

  
 Sea Urchins are a member of the Phylum Echinodermata, Class Echinoidea   (Site not responding. Last check: 2007-11-07)
Sea Urchins are a member of the Phylum Echinodermata, Class Echinoidea
Sea urchins populate the ocean floor from the beach down to abyssal depths.
They belong to the phylum Echinodermata; the spiny skinned invertebrate animals.
www.wipsppc.com /Sea+urchin.htm   (1467 words)

  
 Echinodermata   (Site not responding. Last check: 2007-11-07)
The phylum Echinodermata gets its name from the fact that members have a spiny endoskeleton (echino, hedgehog [spiny] + derma, skin).
Echinoderms are strictly marine and can be found from tide lines to great depths.
Sea urchins eat plants, small animals, and waste material.
www.ccet.ua.edu /expedition/scsstarsurcbrit.htm   (416 words)

  
 Omniseek: Pets and Animals: /Pets & Animals /Echinodermata
Luiz Roberto Tommasi Instituto Oceanográfico da USP (março, 1999) Introdução Classificação dos Echinodermata Os Pedicelários Observaandcce...
Oral Contribution PHYLOGENETIC ANALYSIS OF ECHINODERMATA BASED ON PRIMITIVE FOSSIL TAXA Colin D. Sumrall James Sprinkle* Dept. of Geological Sciences, Univ. of Texas,...
Observations on Induced Spawning and Ovulation in the Snake Star Astrobrachion constrictum (Echinodermata: Ophiuroidea).
petsandanimals.omniseek.com /srch/{47359}   (359 words)

  
 ECHINODERMATA   (Site not responding. Last check: 2007-11-07)
The Phylum Echinodermata is named for the hard, often spiny outer covering.
Uniquely they have tube feet controlled by a water vascular system.
They feed on detritus and often disgorge there stomachs when disturbed.
www.ldeo.columbia.edu /users/gregory/echinodermata.html   (140 words)

  
 Echinodermata
A brief summary of the characteristics of Phylum Echinodermata and a collection of photographs.
Introduction to the Echinodermata, from starfish to sea cucumbers.
A brief description of the phylum followed by a long list of annotated photographs.
www.fiu.edu /~biolab/10w.htm   (78 words)

  
 LISTADO TAXONÓMICO DE ASTEROIDEOS (ECHINODERMATA) EN LOS ISLOTES   (Site not responding. Last check: 2007-11-07)
Este trabajo representa el primer registro (listado taxonómico y claves taxonómicas para la identificación de los ejemplares recolectados) de asteroideos (Echinodermata: Asteroidea) para Los Islotes, Bahía de La Paz, Baja California Sur, México.
This work represents the first record (a taxonomic list and a taxonomic key for the identification of the specimens) of the asteroids (Echinodermata: Asteroidea) from Los Islotes, Bahia de La Paz, Baja California Sur, Mexico.
New character states (ontogenetic) for some species of the study area are given and the proposal of it inclusion in the respective diagnosis.
aimac.ens.uabc.mx /aim/conferencias/Biol-Ecol/formatoHTML/lr-025.htm   (239 words)

  
 abalone --  Encyclopædia Britannica   (Site not responding. Last check: 2007-11-07)
The inside of the shell is always nacreous, often in iridescent...
any aquatic invertebrate animal having a shell and belonging to the phylum Mollusca, the class Crustacea (phylum Arthropoda), or the phylum Echinodermata.
The term is often used for the edible species of the groups, especially those that are fished or raised commercially.
www.britannica.com /eb/article?tocId=9003222   (748 words)

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