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Topic: Ostracod

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	Fresh Water Ostracod Crustaceans: Introduction with photomicrographs of ostracods (Cypris, etc.).
		Ostracods are very similar in appearance, making it less than easy for the non-expert to distinguish one species from another -- or even one genus from another.
		The ceaseless activity of ostracods can make them something of a nuisance to the microscopist when, under the microscope, they disturb the observation of some other creature.
		This ostracod crustacean (possibly Cypris) is shown in typical feeding mode, with its shell opened to allow the mouth parts to graze along a filament of Oedogonium, propelled by two pairs of legs bearing long claws.
	www.micrographia.com /specbiol/crustac/ostraco/ostr0100.htm (508 words)

	Ostracod - Biocrawler (Site not responding. Last check: )
		Ostracods are small crustaceans, typically around one mm in size, but varying between 0,2 to 30 mm, laterally compressed and protected by a bivalve-like, chitinous or calcareous valve or "shell".
		Ecologically ostracods can be part of the zooplankton, or (most commonly) they are part of the benthos, living on or inside the upper layer of the sea floor.
		Ostracods have been particularly useful for the biozonation of marine strata on a local or regional scale, and they are invaluable indicators of paleo-environments because of their widespread occurrence, small size, easily-preservable generally-moulted calcified bivalve carapaces, the valves are a commonly found microfossil.
	www.biocrawler.com /encyclopedia/Ostracods (354 words)

	Marine Invertebrates - Ostracods (Site not responding. Last check: )
		Ostracods (ostracodes="having a shell"), also known as seed shrimp, are crustaceans that range in size from less than 0.1 cm to 3.2 cm and are enclosed in a hinged, shield-like plate (carapace) consisting of two valves.
		Some ostracods are capable of swimming, employing their antennae for locomotion, but many species simply crawl over the ocean bottom or burrow into it.
		After fertilization, developing ostracod eggs are either deposited on the substrate or brooded between the female's valves until they hatch as juveniles.
	www.arctic.uoguelph.ca /cpl/organisms/inverts/marine_inverts/ostracods.htm (211 words)

	Ostracod distribution in PE—96—1
		Ostracod abundance is very much different in these three parts of the section, being obviously dependant on the type of sediment (Fig.
		This relationship between ostracod abundance and sediment type refers probably both to climatic reasons and peculiarities in the rate of sedimentation during formation of the sediment, and preservation of shells after deposition.
		Although high sand fraction content in a sample tends to be inversely proportional to the ostracod abundance, the first abundantly fossiliferous sample is related to the level with the highest content of sand fraction in a sample (206 g per litre).
	lepo.it.da.ut.ee /~even/PE1.html (996 words)

	Ostracod general biology (Site not responding. Last check: )
		Although an ostracod is a segmented crustacean with head, thorax and abdomen, only the head has the full complement of limbs.
		In the sea where the group is most diverse ostracods walk about on the surface of the sand on the legs slightly protruding from between the shells of the carapace.
		Ostracods are found in most habitats but are especially abundant and rich in the sea.
	www.museum.vic.gov.au /crust/ostbiol.html (356 words)

	Research Loch Ness - Huw Griffiths, David Martin - Spatial Distribution of Benthic Ostracods in the Profundal Zone of ...
		A preliminary analysis by Shine and Martin (1988) indicated that ostracod Crustacea ('seed shrimps') appeared to be an important component of the zoobenthos, numerically comprising almost 60% of the invertebrates in the deepest parts of the loch.
		Ostracods were collected both qualitatively, by dredging, and quantitatively, with a 15 x 15 cm Ekman grab, and a custom-built 10.3 cm diameter gravity corer.
		It is clear that ostracod densities are considerably higher in the South Basin than in the North, and this is believed to reflect the higher sedimentation rate of the South Basin, coupled with quantitative increases in the levels of organic inputs.
	www.lochnessproject.org /adrian_shine_archiveroom/papershtml/LOCH_NESS_benthic_ostracods.htm (1837 words)

	Cloning and Expression of cDNA for the Luciferase from the Marine Ostracod Vargula hilgendorfii -- Thompson et al. 86 ...
		Cloning and Expression of cDNA for the Luciferase from the Marine Ostracod Vargula hilgendorfii -- Thompson et al.
		Cloning and Expression of cDNA for the Luciferase from the Marine Ostracod Vargula hilgendorfii
		The marine ostracod Vargula hilgendorfii ejects luciferin and luciferase into seawater to produce a bright luminous cloud.
	www.pnas.org /cgi/content/short/86/17/6567 (416 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal (Site not responding. Last check: )
		Ostracods have a long and well-documented fossil record from the Cambrian to the present day.
		An outline microfaunal zonal scheme based on both foraminifera and ostracoda was compiled by M.
		These, along with non-marginal pore canals (that are dispersed evenly along the ostracod's valve) connect the vestibulum to the outer world.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=ostracod (583 words)

	Bulletin No.20
		A relatively high density of the total number of ostracods is found in the patches of moderately coarse sediments near the channels, where the living specimens are also found in high density making up 16 to 63% of the total number of specimens, and suggest a high productivity of ostracods in these areas.
		The ostracod density is low in the northern brackish water area and high in the southern marine water area.
		Fluctuations of the indices in the Enshu-nada area, together with the occurrence of allochthonous ostracods, may suggest the strong sieving effect of the wave base and the coastal current on the accumulation of dead ostracod carapaces.
	www.um.u-tokyo.ac.jp /publish_db/Bulletin/no20/no20007.html (759 words)

	Ostracod distribution in PE—96—2
		The ostracod abundance fluctuates greatly, similarly to PE—96—1 (Fig.
		In figure 11, the dynamics of the structure of the assemblage of ostracod fauna in PE—96—2 is shown.
		Analysis of the relation of broken and unbroken carapaces of the ostracod species, was performed on this section as well (fig.
	lepo.it.da.ut.ee /~even/PE2.html (902 words)

	Bulletin No.20 (Site not responding. Last check: )
		Abstract: Marine terraces along the coast of the tectonically uplifted southern Boso Peninsula (Honshu, Japan) are formed by sediments deposited during the Jomon (Flandrian) transgression from 9,000 to 5,000 yr B. Sixty samples of these sediments were taken in the southern Boso, and 20 samples of recent sediments were collected in the adjacent Tateyama Bay.
		Six fossil ostracod biofacies and six recent ostracod biofacies were delineated using cluster analysis and principal component analysis.
		Comparison of the distribution of fossil and recent ostracods was used to infer the environments of deposition during the Jomon transgression.
	www.um.u-tokyo.ac.jp /publish_db/Bulletin/no20/no20009.html (119 words)

	ostracod Search Engine - Directory (Site not responding. Last check: )
		Although an ostracod is a segmented crustacean with head, thorax and abdomen,...
		Ostracod* Ostracod, any member of a class of two-shelled marine and freshwater crustaceans...
		Ostracod abundance is very much different in these three parts of the section,...
	www.dwipage.com /search/ostracod (262 words)

	RESEARCH ACTIVITIES
		Taxonomy and palaeoecology of ostracode assemblages from the Palaeogene and Neogene of southeast
		She is mainly interested in the paradox of sex using nonmarine ostracods as model group and in the evolution and speciation of ostracods from ancient lakes.
		Ostracod assemblages from the Lower Cretaceous of the Basins of Agadir and
	biology.usgs.gov /cro/Ostracode/Cyp04/ResearchActivities.htm (3450 words)

	Arctic Ostracode Database
		Ostracodes are a microfossil group of bivalved Crustacea that secrete a calcareous shell commonly preserved in sediments in the Arctic region.
		Surface sample ostracode assemblages from the 1993 Polarstern cruise to the Barents and Laptev Seas (Fütterer, 1994) are given in Cronin (in press; special volume on Arctic Ocean surface sediments, Stein et al., eds.).
		Much of the ostracode research was supported by the U.S. Geological Survey (USGS) Global Change and Climate History Program, in collaboration with INSTAAR (University of Colorado) and the Institute of Earth Studies, Aberystwyth, (University College, Wales), and with assistance from the Alfred Wegener Institute (Bremerhaven) and GEOMAR (Kiel).
	geochange.er.usgs.gov /data/PRISM/ostracodes/arctic/Core/meta/report.html (1699 words)

	Monterey Bay Aquarium: Online Field Guide
		Since they look like a shrimp inside a seed pod, ostracods are sometimes called seed shrimp.
		Their bodies are hinged, like a clam’s, and they can disappear into their pods with only their antennae showing.
		The giant ostracod is bright orange-red and has two large, mirrored eyes.
	www.mbayaq.org /efc/living_species/default.asp?hOri=1&inhab=190 (135 words)

	Definition of ostracod - Merriam-Webster Online Dictionary
		Learn more about "ostracod" and related topics at Britannica.com
		Find more about "ostracod" instantly with Live Search
		See a map of "ostracod" in the Visual Thesaurus
	www.m-w.com /cgi-bin/dictionary?book=Dictionary&va=ostracod (58 words)

	Natuurinformatie - The ostracod collection of Dom Remacle Rome (Site not responding. Last check: )
		on the ostracods of Lake Tanganyika, and on the anatomy of Ostracoda.
		Schematic representation of Herpetocypris reptans, a freshwater ostracod, drawn by Rome in 1947 (length of the animal: 1.1 mm).
		Microscopic preparations of marine Mediterranean ostracods, made by Dom Rome in 1938, and kept in the collections of the Royal Belgian Institute of Natural Sciences.
	www.natuurinformatie.nl /ndb.kbin.en/natuurdatabase.nl/i000322.html (279 words)

	Ostracoda: Fossil Record (Site not responding. Last check: )
		Ostracods provide one of the most complete and consistent fossil records of any animal.
		Sometime ostracod deposits are so extensive they form rocks referred to as coquinas which are often used for building.
		Coquinas are soft, light colored limestones that are made up of the mineralized remains of animals such as ostracod carapaces, broken shells, coral, and algal remains.
	www.ucmp.berkeley.edu /arthropoda/crustacea/maxillopoda/ostracodafr.html (184 words)

	Inter Research » MEPS » v142 » p215-223
		The ostracod Cyprideis torosa, Jones 1850 is one of the most abundant species of benthic fauna in the shallow water areas of the Baltic Sea, even in sulphidic habitats.
		Investigations of the physiological basis of the high resistance to hypoxia and hydrogen sulphide show that the ostracod is indeed able to oxidize penetrating sulphide to non-toxic thiosulphate and sulphite and to eliminate the oxidation products rather quickly.
		This detoxification, however, is not effective enough to prevent an increase of sulphide in the ostracod's body.
	www.int-res.com /abstracts/meps/v142/p215-223 (253 words)

	Ostracod faunal response to global climate change during the Late Ordovician and Early Silurian
		Ostracods are small aquatic crustaceans with a bivalved calcium carbonate carapace.
		Throughout the Ordovician ostracods were global in their distribution, but their diversity and abundance were severely curtailed during the Late Ordovician and Early Silurian and this is linked to a fundamental reorganisation of the Earth climate system.
		The student will integrate large datasets of ostracod, isotope and other geological data to determine the effects of a developing Icehouse climate on ostracod ecology, distribution and evolution.
	www.le.ac.uk /geology/teach/PhDprojects/WilliamsSiveterOstracod07.html (431 words)

	SICB - 2001 meeting- Abstract Details
		The timing of these events are coincident with the origin of myodocopids and therefore the putative origin of ostracod compound eyes.
		The ultrastructure of the facets of ostracod compound eyes deviates from the common arthropod structure of eight retinular cells and four crystalline cone cells.
		Finally, the oldest known fossil ostracod with a compound eye is also the oldest myodocopid.
	www.sicb.org /meetings/2001/schedule/abstractdetails.php3?id=843 (265 words)

	CSIRO PUBLISHING - Marine & Freshwater Research
		In a survey for conservation of non-marine aquatic systems, the ostracod compositions of 43 water bodies sampled in central Spain were analysed by multivariate ordination (DCA) and classification (TWINSPAN) methods, showing a clear division in lake typology.
		The wide variety of life modes and habitat requirements of non-marine ostracod species yields assemblages of species of value as ecological indicators.
		Between these two extremes, the study of ostracod assemblages permits the distinction, on a finer scale, of a gradient of lake types with different disturbance conditions, resulting from a combination of hydrological, climatic, chemical and anthropogenic factors.
	www.publish.csiro.au /nid/126/paper/MF99103.htm (234 words)

	CYPRIS No. 17 (1999) Announcements
		Brandon Curry, An environmental tolerance index for ostracodes as indicators of physical and chemical factors in aquatic habitats, p.
		A Stereo-Atlas of Ostracod Shells (ISSN 0952-7451) was launched in 1973 with the late Peter Sylvester-Bradley and his then postdoctoral associate, David Siveter, as editors.
		The original aims of A Stereo-Atlas of Ostracod Shells were simple enough, to harness and disseminate the scientific revolution which the scanning electron microscope (SEM) provides to micropalaeontology.
	biology.usgs.gov /cro/Ostracode/Cyp99/99cyannc.htm (1299 words)

	Identification Key Of Marine Ostracod
		the ostracod fauna during the Holocene in the Baltic Sea; (3) marine stratigraphy...
		Checklist: Southern African Ostracods (Ostracoda) - The Non-marine Ostracods (Ostracoda) of Southern Africa.
		226 The Ostracod fauna from the Santonian Chalk Upper...
	www.boats-to-buy.com /identification-key-of-marine-ostracod.html (686 words)

	Ostracoda Research Group (Site not responding. Last check: )
		Using in-house developed statistics to separate allochthonous from authochthonous components and recently the % of filter feeding ostracods to determine past oxygen levels.
		4] Evolutionary studies of ostracods isolated on the summits of guyots and seamounts in the Indo-Pacific, in an isolated brackish Neogene lake in the Upper Amazon basin, and in deep sea Cainozoic and shallow Mesozoic sequences both marine and freshwater.
		Karyotyping, isoenzyme analysis and PCR studies of ostracod DNA are designed to determine evolutionary relationships, genetic distance, inter and intra specific relationships, and speciation patterns.
	users.aber.ac.uk /alm/web/ostrweb2.html (458 words)

	Ostracod (Site not responding. Last check: )
		The word "ostracod" uses 8 letters: A C D O O R S T.
		Words within ostracod not shown as it has more than seven letters.
		All words formed from ostracod by changing one letter
	www.morewords.com /word/ostracod (159 words)

	Ostracod gallery (Site not responding. Last check: )
		A feature that distinguishes an ostracod from other crustaceans is the carapace that enloses the body.
		Geologists rely on the fossilized carapaces of ostracods to date sediments.
		Ostracods are often overlooked because they are so small but can be very common.
	www.mov.vic.gov.au /crust/ostragal.html (165 words)

	Aeon: Bekijk onderwerp - Ostracod
		Ostracod - Geplaatst: Za 10 Dec 2005, 21:19 - Naar boven
		Hallo Ostracod, van harte welkom op Aeon, dat je maar veel lees- en postplezier mag hebben hier.
		Welkom Ostracod, ik zie dat je al in de Herberg bent gearriveerd dus dat is mooi, verder nog veel lees- en postplezier beleeft.
	www.planet-aeon.nl /viewtopic.php?t=2454&start=0 (599 words)

	Sky News: Hung Like An Ostracod (Site not responding. Last check: )
		There's a reason why the ostracod was so well endowed.
		It had the longest sperm in the animal kingdom and needed serious equipment to deliver its goods.
		At only 1mm in length, the ostracod may not be the largest romeo in the animal world.
	news.sky.com /skynews/article/0,,31500-12120024,00.html (244 words)

	Pigmentation of an Ostracod, Heterocypris Incongruens -- GREEN 36 (3): 575 -- Journal of Experimental Biology
		Pigmentation of an Ostracod, Heterocypris Incongruens -- GREEN 36 (3): 575 -- Journal of Experimental Biology
		when the ostracod is feeding on algae containing abundant xanthophylls
		after extraction, is widespread in the body of the ostracod,
	jeb.biologists.org /cgi/content/abstract/36/3/575 (151 words)

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