Academic literature on the topic 'Fossile Foraminiferen'

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Journal articles on the topic "Fossile Foraminiferen"

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Lesen, Amy E., and Jere H. Lipps. "What have natural and human changes wrought on the foraminifera of San Francisco Bay late Quaternary estuaries?" Quaternary Research 76, no. 2 (September 2011): 211–19. http://dx.doi.org/10.1016/j.yqres.2011.06.005.

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AbstractIn this study we compare the foraminifera of modern South San Francisco Bay with fossils from sediments of a previous estuary at 125 ka to provide a basis for interpreting the impact of natural and human change on the benthic ecosystem. All the species found in the Pleistocene sediments of this study are estuarine and/or shallow-water species occurring commonly in San Francisco Bay today, except for the introduced foraminifer Trochammina hadai, a native of Japan that was not found in samples taken in San Francisco Bay before 1983. The biodiversity and species composition of the fossil and modern assemblages before the introduction of T. hadai are nearly identical, suggesting that the environmental and physical changes in the 125,000-year-old and modern estuaries have not had a significant effect on the meiofauna of the Bay. In contrast, modern anthropogenic change in the form of species introductions has impacted the modern foraminiferal assemblage: T. hadai began to dominate the modern assemblage a decade after its introduction. Similar to the recorded impacts of introductions of marine metazoan invertebrate species, the dominance of T. hadai changed species proportions in the post-1980s foraminiferal assemblage, however no known extinctions in the native foraminiferal fauna occurred.
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Burke, Janet E., Willem Renema, Michael J. Henehan, Leanne E. Elder, Catherine V. Davis, Amy E. Maas, Gavin L. Foster, Ralf Schiebel, and Pincelli M. Hull. "Factors influencing test porosity in planktonic foraminifera." Biogeosciences 15, no. 21 (November 7, 2018): 6607–19. http://dx.doi.org/10.5194/bg-15-6607-2018.

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Abstract. The clustering of mitochondria near pores in the test walls of foraminifera suggests that these perforations play a critical role in metabolic gas exchange. As such, pore measurements could provide a novel means of tracking changes in metabolic rate in the fossil record. However, in planktonic foraminifera, variation in average pore area, density, and porosity (the total percentage of a test wall that is open pore space) have been variously attributed to environmental, biological, and taxonomic drivers, complicating such an interpretation. Here we examine the environmental, biological, and evolutionary determinants of pore characteristics in 718 individuals, representing 17 morphospecies of planktonic foraminifera from 6 core tops in the North Atlantic. Using random forest models, we find that porosity is primarily correlated to test surface area, test volume, and habitat temperature, key factors in determining metabolic rates. In order to test if this correlation arose spuriously through the association of cryptic species with distinct biomes, we cultured Globigerinoides ruber in three different temperature conditions, and found that porosity increased with temperature. Crucially, these results show that porosity can be plastic: changing in response to environmental drivers within the lifetime of an individual foraminifer. This demonstrates the potential of porosity as a proxy for foraminiferal metabolic rates, with significance for interpreting geochemical data and the physiology of foraminifera in non-analog environments. It also highlights the importance of phenotypic plasticity (i.e., ecophenotypy) in accounting for some aspects of morphological variation in the modern and fossil record.
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Gooday, Andrew J. "Some recent advances in the study of deep-sea foraminiferal biology and their palaeoecological significance." Paleontological Society Special Publications 6 (1992): 111. http://dx.doi.org/10.1017/s2475262200006717.

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During the past two decades, biologists have become increasingly aware of the diversity and abundance of foraminifera in marine benthic ecosystems. These protists are probably the most important eukaryotes present in ocean floor communities. In some areas, particularly central oceanic regions, foraminiferal assemblages are dominated by newly discovered, soft-bodied forms with morphologies quite unlike those of “conventional” foraminifers and with little fossilisation potential. However, despite the presumed loss of these delicate forms from the fossil record, foraminiferal tests are still the only microfossils to occur commonly in ancient deep-sea sediments. Thus, they are a focus of attention for both geologists and biologists. This presentation will concentrate on two main areas of biological research which have palaeontological significance.Foraminiferal microhabitats. Recent research indicates that particular species tend to live infaunally (deep or shallow), epifaunally or suprabenthically. Growth above or below the sediment-water interface has major implications for the stable isotope chemistry of calcareous tests, an important tool in palaeooceanography. Other species inhabit organic detritus composed of phytoplankton material rapidly sedimented from the euphotic zone. This “phytodetritus” arrives suddenly on the ocean floor following the spring bloom and is quickly colonized by foraminiferal species which feed on it, reproduce and rapidly develop large populations. These populations collapse when the food source is exhausted. The direct consumption of phytodetritus (and other organic matter inputs) by benthic foraminifers may be a widespread phenomenon which influences their population dynamics, regional distribution patterns and isotope chemistry.Recolonization. The defaunation of large tracts of ocean floor by turbidity currents or anoxic events must have happened on countless occasions over geological time, particularly along ocean margins and in basinal areas. Evidence from sediment tray experiments suggests that it may take several years for a stable community (including foraminifers) to become reestablished in small areas of defaunated sediment. Large devastated areas may require substantially longer to recover. However, on the Madeira Abyssal Plain, a normal foraminiferal assemblage occurs on the surface of a turbidite deposited several hundred years ago, suggesting that large-scale recolonization may occupy decades rather than centuries. The fossil foraminiferal assemblages present in deep-water flysch sequences are presumably the product of similar recolonization (?successional) events.These and other biological processes often operate on time scales (days, months, years) which usually can not be resolved in the stratigraphic record. This inevitably complicates the application of biological research to palaeontology.
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Pint, Anna, Max Engel, Sandra Melzer, Peter Frenzel, Birgit Plessen, and Helmut Brückner. "How To Discriminate Athalassic and Marginal Marine Microfaunas: Foraminifera and Other Fossils from an Early Holocene Continental Lake in Northern Saudi Arabia." Journal of Foraminiferal Research 47, no. 2 (April 1, 2017): 175–87. http://dx.doi.org/10.2113/gsjfr.47.2.175.

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Abstract The occurrence of athalassic foraminiferal species, along with the brackish-water ostracod Cyprideis torosa, the barnacle Amphibalanus amphitrite, and brackish-water gastropods, prove the existence of a saline lake at Tayma, northern Saudi Arabia, during the early to mid-Holocene. Outcrops at the former shoreline, as well as a single sediment core, allow a reconstruction of the history of the main lake phase. Whereas these outcrops contain masses of calcareous micro- and macrofossils, the core from the modern sabkha does not. Four foraminiferal species were identified: Ammonia tepida is dominant, Quinqueloculina seminula is common, Flintinoides labiosa and Discorinopsis aguayoi are rare. Sieve-pore analysis and shell chemistry of C. torosa, as well as varying but generally high proportions of test anomalies (up to 50%) in foraminifers, indicate fluctuating, mostly hypersaline lacustrine conditions. We suggest, based on these results and on a literature overview on the worldwide distribution of Quaternary athalassic foraminifer taxa, that a combination of low diversity, exclusively marginal marine taxa, combined with occurrences of test anomalies >10% can be used to recognize athalassic saline waters in the fossil record.
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Langer, Martin R., and Harmeet Bagi. "Tubicolous polychaetes as substrates for epizoic foraminifera." Journal of Micropalaeontology 13, no. 2 (December 1, 1994): 132. http://dx.doi.org/10.1144/jm.13.2.132.

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Abstract. Associations of epizoic foraminifera and invertebrates are widespread and have been reported from polar to tropical and shallow to bathyal environments (Zumwalt & DeLaca, 1980). Their fossil record stretches far back into Palaeozoic times as documented by agglutinated foraminifera attached to crinoids in Silurian and Devonian reef deposits of Morocco and Gotland (Franzen, 1974). Strong preferences for filter-feeding hosts suggest that epizoic foraminifera benefit from increased nutritional resources accumulated in the immediate flow microhabitat (Langer & Long, 1994).In the course of a broader study on foraminifera/invertebrate associations, several hundred foraminifera attached to the outer wall of agglutinated tubes of various polychaetes (e.g. Sabella sp., Potamilla sp.) were collected from sediment samples dredged at 61 m depth off the University of California, Moss Landing Marine Laboratory (NW Pacific). Attached foraminifera display a remarkable mode to obtain and differentially cement grains from the host tube that previously has not been reported. Agglutinated polychaete tubes and fragments thereof may reach 2 cm or more in length and are composed of fine sand, silt and micas cemented together by secreted organic material (Fig. 1). Tubes are typically orientated vertically in the mud and project above the sediment surface into the water column.NEW OBSERVATIONSExamination of agglutinated polychaete tubes revealed that their outer walls were commonly colonized by one to three foraminiferans (Figs 1–3, tube diameter 1.5–2.0 mm). The epizoic foraminiferal fauna comprised exclusively agglutinated taxa and included the following species: Alveophragmium advenum (Cushman), Textularia abbreviata Lalicker & McCulloch, Textularia schencki . . .
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Hayward, Bruce W., François Le Coze, Leen Vandepitte, and Bart Vanhoorne. "Foraminifera in the World Register of Marine Species (Worms) Taxonomic Database." Journal of Foraminiferal Research 50, no. 3 (July 1, 2020): 291–300. http://dx.doi.org/10.2113/gsjfr.50.3.291.

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ABSTRACT Most foraminiferal research is founded on sound taxonomy. To clearly communicate such research, similar species concepts and consistent use of names is desirable. As a contribution to this larger goal, the World Foraminifera Database (http://www.marinespecies.org/foraminifera) was set up in 2010 as a subset within the World Register of Marine Species (WoRMS). The purpose is to provide an authoritative, open-access inventory of all foraminiferal taxonomic names. The inventory is almost complete for both fossil and Recent foraminiferal taxa, containing 4932 generic and 55,884 species (including infraspecies) names. There are ∼61,000 genus-species combinations of which ∼54,600 are currently “accepted” species and infraspecies (with 9600 extant). Associated data includes 14,700 linked foraminiferal literature sources, ∼6600 images, and species-level links to many other databases and images, such as the Cushman Collection (Smithsonian Institution), American Museum of Natural History, Mikrotax (planktic foraminifera), GenBank, and Zootaxon. The WoRMS database is owned by the global taxonomic community and hosted and serviced by the Flanders Marine Institute (VLIZ), Belgium. We recommend that all researchers working with foraminifera both use and contribute to the World Foraminifera Database, as that will improve the accuracy of the database's content and save investigators many hours of searching elsewhere.
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Lowenstein, Tim K., and Bärbel Hönisch. "The Use of Mg/Ca as a Seawater Temperature Proxy." Paleontological Society Papers 18 (November 2012): 85–100. http://dx.doi.org/10.1017/s1089332600002564.

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The underlying basis for Mg/Ca paleothermometry is that the amount of magnesium in calcite precipitated from seawater is dependent on temperature. Here we review the state of the art of the Mg/Ca seawater paleotemperature proxy, summarized by the following: 1) Calcite, whether formed abiotically or biologically as foraminifera and ostracode shells, incorporates variable amounts of magnesium into the crystal structure. 2) Uptake of Mg varies positively with temperature. 3) The relationship between temperature and the amount of Mg in calcite has been quantified by experiments on synthetic calcite growth and by culture, core top, and sediment trap experiments using living organisms. 4) The most careful calibrations of the Mg/Ca paleothermometer have been done for planktic foraminifera, then benthic foraminifera; there are species-specific variations in the amount of Mg incorporated into foraminifera shells. 5) The Mg/Ca ratio of calcite from planktic foraminifera in deep-sea cores has been widely used to interpret sea surface temperatures. 6) Measurement of both Mg/Ca and δ18O in planktic foraminifera have been used to calculate δ18O in seawater, and after correction for global ice volume, salinity could be inferred. 7) Mg/Ca from benthic foraminifera have been used to reconstruct deep-sea temperatures and cooling of ~12° over the last 50 million years. 8) One problem with the Mg/Ca seawater temperature proxy is partial dissolution of foraminifer shells, which lowers the Mg/Ca, and leads to an underestimation of ocean temperature. Benthic foraminifers appear to be more resistant to partial dissolution. 9) Past changes in the Mg/Ca ratio of seawater are an important factor in determining the amount of Mg in fossil skeletal calcite, and thus add another variable to the Mg/Ca temperature proxy. All Mg/Ca paleotemperature studies on fossil calcite older than Pleistocene should take into account the Mg/Ca of the seawater from which it precipitated.
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Aurahs, Ralf, Markus GÖker, Guido W. Grimm, Vera Hemleben, Christoph Hemleben, Ralf Schiebel, and Michal Kučera. "Using the Multiple Analysis Approach to Reconstruct Phylogenetic Relationships among Planktonic Foraminifera from Highly Divergent and Length-polymorphic SSU rDNA Sequences." Bioinformatics and Biology Insights 3 (January 2009): BBI.S3334. http://dx.doi.org/10.4137/bbi.s3334.

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The high sequence divergence within the small subunit ribosomal RNA gene (SSU rDNA) of foraminifera makes it difficult to establish the homology of individual nucleotides across taxa. Alignment-based approaches so far relied on time-consuming manual alignments and discarded up to 50% of the sequenced nucleotides prior to phylogenetic inference. Here, we investigate the potential of the multiple analysis approach to infer a molecular phylogeny of all modern planktonic foraminiferal taxa by using a matrix of 146 new and 153 previously published SSU rDNA sequences. Our multiple analysis approach is based on eleven different automated alignments, analysed separately under the maximum likelihood criterion. The high degree of congruence between the phylogenies derived from our novel approach, traditional manually homologized culled alignments and the fossil record indicates that poorly resolved nucleotide homology does not represent the most significant obstacle when exploring the phylogenetic structure of the SSU rDNA in planktonic foraminifera. We show that approaches designed to extract phylogenetically valuable signals from complete sequences show more promise to resolve the backbone of the planktonic foraminifer tree than attempts to establish strictly homologous base calls in a manual alignment.
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Washington, Kirstin E., A. Joshua West, Boriana Kalderon-Asael, Joachim A. R. Katchinoff, Emily I. Stevenson, and Noah J. Planavsky. "Lithium isotope composition of modern and fossilized Cenozoic brachiopods." Geology 48, no. 11 (July 13, 2020): 1058–61. http://dx.doi.org/10.1130/g47558.1.

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Abstract Seawater lithium stable isotope ratios, represented by δ 7 Li sw (‰), hold key information about the evolution of global climate and the carbon cycle over geologic time. Reconstructions based on foraminifera suggest an ∼9‰ increase in δ 7 Li sw over the past 60 m.y., interpreted as reflecting changes in the silicate weathering regime that may have contributed to global cooling over this time. However, culture experiments suggest that vital effects in foraminifers might cause varied δ 7 Li fractionation that could have affected past records. Thus, other archives are needed to determine whether the observed rise in foraminifer δ 7 Li values over the Cenozoic indeed reflects secular changes in δ 7 Li sw . Such archives would also open possibilities for robust determination of δ 7 Li sw deeper in geologic time. We analyzed δ 7 Li compositions in modern brachiopods ( n = 34) and found a relatively narrow range of +24.2 ‰ to +28.8‰ (mean = +26.8‰; 1σ = 0.5‰), similar to the range reported for inorganic calcite precipitated from seawater. These results confirm that brachiopods are good candidates for providing a representative record of δ 7 Li sw . We present data from fossil specimens dating from 65 Ma to ca. 700 ka, finding that fossilized brachiopods record a similar magnitude of change in δ 7 Li sw as foraminifers. These results are the first to corroborate the ∼9‰ increase in Cenozoic δ 7 Li sw and open possibilities for generating robust records of δ 7 Li sw in deep time, prior to foraminifer evolution.
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Norris, Richard D. "Symbiosis as an evolutionary innovation in the radiation of Paleocene planktic foraminifera." Paleobiology 22, no. 4 (1996): 461–80. http://dx.doi.org/10.1017/s0094837300016468.

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Symbioses are often regarded as an important means for the creation of evolutionary novelty as well as a trigger for the abrupt appearance of higher taxa. The fossil record of foraminifer-algal symbiosis suggests that the appearance of this ecological association contributed to the radiation of Paleogene planktic foraminifera. Isotopic evidence shows that photosymbiosis evolved in synchrony with a major diversification of trochospiral planktic foraminifera about 3.5 m.y. after the end-Cretaceous extinction. In modern planktic foraminifera, photosymbiotic species tend to have more cosmopolitan distributions than asymbiotic foraminifera and a greater ability to withstand periods of nutrient stress. The simultaneous taxonomic radiation and acquisition of photosymbiosis are evidence that the ecological strategy permitted Paleocene foraminifera to expand their niche in pelagic environments by diversifying into low-nutrient surface waters.A comparison of the species longevities of Neogene and Paleogene symbiotic clades suggests that photosymbiosis does not regulate the characteristic rate of taxonomic turnover in clades after they appear. Species longevities are much shorter in Paleocene and Eocene photosymbiotic morphospecies than they are among photosymbiotic Neogene clades; apparently photosymbiosis does not exert a significant control over long-term evolutionary rates. In addition, the absence of a characteristic morphology associated with photosymbiosis in Cenozoic planktic foraminifera suggests that morphology, as with rate of evolutionary turnover, is linked to symbiosis only because of common inheritance instead of a functional relationship. Although the coincidence between the acquisition of photosymbiosis and generic diversification does suggest a linkage between this ecology and the appearance of foraminiferal higher taxa, there is little indication at the present that symbioses control long-term morphological or ecological patterns within these groups after their appearance. Photosymbiosis, and other evolutionary innovations, may be more a catalyst for the differentiation of major groups than a predictable governor on evolutionary rates.
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Dissertations / Theses on the topic "Fossile Foraminiferen"

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Reichelt, Kerstin. "Late Aptian-Albian of the Vocontian Basin (SE-France) and Albian of NE-Texas biostratigraphic and paleoceanographic implications by planktic foraminifera faunas /." [S.l. : s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=974321591.

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Heuser, Alexander. "Variations of calcium isotopes (d44Ca) [delta 44 Ca] in foraminifers over the past 24 Ma." [S.l.] : [s.n.], 2002. http://e-diss.uni-kiel.de/diss_713/d713.pdf.

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Rückheim, Sylvia. "The onset of planktic foraminifera in the mid-Cretaceous of the Boreal Realm." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=975763350.

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Buchan, Olivia Claire Lewis Ronald D. "Relationships between large benthic foraminifera and their seagrass habitats, San Salvador, Bahamas." Auburn, Ala., 2006. http://repo.lib.auburn.edu/2006%20Spring/master's/BUCHAN_OLIVIA_31.pdf.

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Young, Melinda. "The foraminiferal and sedimentological dynamics of a Portuguese submarine canyon system." Thesis, University of Southampton, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295866.

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Ferdinando, Darren. "Ostracode and foraminiferal taxonomy and palaeoecology of the Fossil Cliff Member of the Holmwood Shale, northern Perth Basin, Western Australia." University of Western Australia. Dept. of Geology and Geophysics, 2001. http://theses.library.uwa.edu.au/adt-WU2003.0019.

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The Sakmarian (Cisuralian, Permian) Fossil Cliff Member of the Holmwood Shale is situated in the northern Perth Basin, Western Australia, and consists of alternating beds of shale and silty calcarenite forming three parasequences. Within this member a diverse fauna of ostracodes and foraminifera are present. During the Cisuralian the northern Perth Basin formed part of the Gondwanan supercontinent and was linked to Greater India via an epeiric sea that opened to the north. The ostracode fauna is restricted to the calcareous beds of the member and consists of a diverse benthic fauna comprising 31 new species and 13 previously recorded species. Species from the Healdioidea, Bairdioidea, Youngielloidea, and Thlipsuroidea dominate the assemblage and suggest a normal-marine environment during the period represented by the calcareous beds, with an overall shallowing trend up the sequence. The fauna shows some similarity to faunas from the Tethyan deposits of North America and the Boreal deposits of Russia during the Late Carboniferous and Cisuralian. Twenty-eight species of foraminifera were recorded from the Fossil Cliff Member and underlying Holmwood Shale and comprise two distinct faunas, an agglutinated benthic foraminiferal fauna found within the shale beds and a calcareous benthic foraminiferal fauna present in the calcarenite units. The agglutinated foraminifera are inferred to represent deposition in dysoxic to suboxic (0.1-1.5 mL/LO2;), poorly circulated bottom waters below wave base. The calcareous foraminifera are inferred to represent deposition in normal-marine conditions. Both foraminiferal assemblages show a shallowing trend in their distribution that matches the trend identified in the ostracode fauna. Based upon the palaeoecology of the ostracode and foraminiferal faunas, the depositional environment for the Fossil Cliff Member is inferred to have been within shallow water in an epeiric basin during an overall marine regression that is overprinted by eustatic and isostatic oscillations resulting from deglaciation that occurred during the early Sakmarian (Cisuralian). These sea-level oscillations raised and lowered the oxic surface waters of the epeiric sea above and below the substrate resulting in a sparse agglutinated foraminiferal fauna or an abundant and diverse ostracode and calcareous foraminiferal fauna respectively.
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Stewart, Iain A. "The molecular evolution of planktic foraminifera and its implications for the fossil record." Thesis, University of Edinburgh, 2000. http://hdl.handle.net/1842/13020.

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The marine microfossils of planktic foraminifers are widely used for investigating palaeoceanographic and palaeoclimatic conditions. The objective of this project was to investigate genotypic variation within planktic foraminiferal morphospecies and the spatial distribution of genotypes in the subpolar, transitional and subtropical North Atlantic. Foraminiferal genomic DNA was extracted and the ~1000 base pair 3' terminal region of the small subunit ribosomal RNA gene was amplified using the polymerase chain reaction. Using distance-based molecular phylogenetic analysis, a neighbour-joining phylogeny was reconstructed based on 31 planktic and15 benthic previously sequenced foraminifera and extended to include 15 genotype sequences obtained from the North Atlantic during this study. Bulk plankton samples were collected for preliminary examination of genotype/morphotype relationships. The molecular phylogeny is largely consistent with the foraminiferal fossil record. It supports the suggestion that the origins of planktic foraminifers are polyphyletic, as the spinose planktic foraminifers cluster separately from the non-spinose planktic foraminifers within the phylogeny. Brachn length variation within the planktic cluster reflects large differences in evolution rate between morphospecies. Within the North Atlantic, genotypic variation has been identified within the morphospecies, Globigerina bulloides, Turborotalita quinqueloba, Globigerinella siphonifera, Globigerinella calida, Globigerinoides ruber and Neogloboquadrina pachyderma. The distribution of genotypes is complex, and it has been found that genotypes, representing a single morphospecies, often co-exist within the water column. This could be indicative of cryptic speciation, suggesting that North Atlantic planktic foraminiferal diversity is much higher than fossil record interpretations have indicated. The genotypes within G. bulloides, G. siphonifera, G. calida and T. quinqueloba have different geographic distributions within the North Atlantic. It is apparent that G. bulloides Types IIa and IIb and G. siphonifera Types IIa and IIb have extensive distributions suggesting that they are more generalist in adaptation, and tolerant to a wide range of oceanic conditions.
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Brombacher, Jenneke Fopke Antonia. "High-resolution evolution : calibration and application of fossil foraminifera in evolutionary time series." Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/416830/.

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Many evolutionary processes are well-studied on generational and macroevolutionary time scales, but much less is known about the processes bridging short- and long-term biotic change. This is commonly due to a lack of sufficiently-high-resolution fossil records over long microevolutionary time scales. The work presented in this thesis describes new calibrations and applications of planktonic foraminifera in evolutionary biology. The high-resolution fossil archives of planktonic foraminifera enable construction of continuous, long-term microevolutionary time series of large numbers (>10,000) of individuals. In Chapter 2 I study the repeatability of traits commonly used in studies describing foraminifera evolution. The results show that some traits are reliable, whereas others are very susceptible to small mounting-induced errors and should be used with caution. Chapter 3 deals with various representations of foraminifera body size, and whether these proxies remain accurate in a lineage undergoing morphological change. This was shown to be the case for foraminifera shell area as measured from a two-dimensional image, but less so for shell diameter. In Chapter 4 I study within- and among-population allometries during an interval of global climatic upheaval. When climate remains constant the within-population allometries predict evolutionary change from one time-step to the next. However, the evolutionary allometry measured across step-wise environmental change deviates significantly from the static evolutionary allometries. Changes in biodiversity are often linked to climate change, usually represented by global temperature. However, climate consists of many interacting variables, and species likely respond to the entire climate system as opposed to individual variables. In Chapter 5 I show that evolutionary response in two species of planktonic foraminifera is indeed best explained by combinations of environmental parameters. Chapter 6 presents evolutionary time series of two species of planktonic foraminifera from six sites along an Atlantic transect over 600,000 years. The results show that temporal dynamics do not match spatial variation, implying that care should be taken when extrapolating one population’s predicted response to another location.
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Burbidge, Susan M. (Susan Margot) Carleton University Dissertation Geology. "Late quaternary benthic foraminifera of the Patton-Murray Seamount group, Gulf of Alaska." Ottawa, 1992.

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Abke, Rodney Alan. "A fossil assemblage of ostracoda, foraminifera, and gastropoda of the West Texas salt flats." Virtual Press, 1994. http://liblink.bsu.edu/uhtbin/catkey/897497.

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The salt flats of west Texas are large ephemeral lakes, Pleistocene to Holocene in age. The evaporite material in these lakes represents the sedimentary history of the lake and the surrounding area. Recently, a fossil assemblage was found in the sediments of this deposit. This assemblage includes four species of ostracoda (Limnocvthere staplini, Candona rawsoni, Candona thomasi, and Cvprideis salbrosa), two species of gastropoda, (Amnicola decepta, and Amnicola pilsbrvi), and discovery is significant because this assemblage has not been previously reported, and it provides an opportunity to reconstruct part of the physical and chemical environment of the salt flats during a portion of its history. Autecological comparison of these species indicate that they lived in a shallow, alkaline, brackish water environment. The known paleoclimate of the area, and the sedimentology support this interpretation.
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Books on the topic "Fossile Foraminiferen"

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Evolution and geological significance of larger benthic foraminifera. Amsterdam: Elsevier, 2008.

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Pedersen, Anette Mønsted. The Lower Pleistocene in the North Sea. Copenhagen: Ministry of Environment and Energy, 1995.

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3

Mackensen, Andreas. Zur Paläoozeanographie hoher Breiten: Stellvertreterdaten aus Foraminiferen = Foraminiferal proxies : constraints on their use in high latitude paleoceanography. Bremerhaven: Alfred-Wegener-Institut, 1997.

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4

Jenkins, D. G. Stratigraphical atlas of fossil foraminifera. 2nd ed. Hemel Hempstead: Ellis Horwood, 1989.

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5

Graham, Jenkins D., Murray John William, and British Micropalaeontological Society, eds. Stratigraphical atlas of fossil Foraminifera. 2nd ed. Chichester, West Sussex, England: E. Horwood for the British Micropalaeontological Society, 1989.

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Conkin, James Elvin. Permian Foraminifera of Tasmania. Louisville, KY: May be purchased from the University of Louisville Campus Store or from the Dept. of Geography and Geosciences, University of Louisville, 1993.

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Kouwenhoven, Tanja J. Survival under stress: Benthic foraminiferal patterns and Cenozoic biotic crises = Overleven onder stress : benthonische foraminiferen en Cenozoische biotische crises. [Utrecht]: Faculteit Aardwetenschappen, Universiteit Utrecht, 2000.

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Kouwenhoven, Tanja J. Survival under stress: Benthic foraminiferal patterns and Cenozoic biotic crises = Overleven onder stress : benthonische foraminiferen en Cenozoische biotische crises. [Utrecht]: Faculteit Aardwetenschappen, Universiteit Utrecht, 2000.

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1835-1891, Brady Henry Bowman, and Natural History Museum (London, England), eds. The Challenger foraminifera. Oxford: Oxford University Press, 1994.

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Caus, E. Macroforaminífers: Estructura, paleoecología, i biostratrigrafía. [Catalunya]: Generalitat de Catalunya, Departament de Política Territorial i Obres Públiques, Servei Geològic de Catalunya, Secretaria General, 1992.

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Book chapters on the topic "Fossile Foraminiferen"

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Blackwell, Bonnie A. B. "Molluscs, Foraminifera, and Other Carbonate Fossils." In Encyclopedia of Scientific Dating Methods, 1–12. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-6326-5_8-1.

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Blackwell, Bonnie A. B. "Molluscs, Foraminifera, and Other Carbonate Fossils." In Encyclopedia of Marine Geosciences, 597–605. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-007-6304-3_8.

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Culver, Stephen J., and Jere H. Lipps. "Predation on and by Foraminifera." In Predator—Prey Interactions in the Fossil Record, 7–32. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/978-1-4615-0161-9_2.

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Robbins, Lisa L., and Julie E. Donachy. "Mineral Regulating Proteins from Fossil Planktonic Foraminifera." In ACS Symposium Series, 139–48. Washington, DC: American Chemical Society, 1991. http://dx.doi.org/10.1021/bk-1991-0444.ch010.

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Medioli, Franco S., David B. Scott, Eric S. Collins, and Francine M. G. McCarthy. "Fossil Thecamoebians: Present Status and Prospects for the Future." In Paleoecology, Biostratigraphy, Paleoceanography and Taxonomy of Agglutinated Foraminifera, 813–39. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-011-3350-0_30.

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Gasinski, M. Adam. "Albian and Cenomanian foraminifera from the Pieniny Klippen Belt (Carpathians, Poland)." In New Aspects on Tethyan Cretaceous Fossil Assemblages, 187–200. Vienna: Springer Vienna, 1992. http://dx.doi.org/10.1007/978-3-7091-5644-5_11.

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Forli, Maurizio, and Andrea Guerrini. "Nummulites: Are they Stone Lentils, Frumentaries Stone or Devil’s Coins? No, are Giant Foraminifers." In The History of Fossils Over Centuries, 143–53. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04687-2_9.

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Pleničar, Mario, Katica Drobne, and Bojan Ogorelec. "Rudists and Larger Foraminifera below the Cretaceous-Tertiary Boundary in the Dolenja Vas Section." In New Aspects on Tethyan Cretaceous Fossil Assemblages, 231–40. Vienna: Springer Vienna, 1992. http://dx.doi.org/10.1007/978-3-7091-5644-5_14.

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Meilijson, Aaron, Sarit Ashckenazi-Polivoda, and Peter Illner. "Fossil Benthic Foraminifera Morphologic Adaptation (Kleptoplastidy) Within Low-Oxygen-Bottom Water Environments, Coupled with Geochemical Insights from the Late Cretaceous in the Levant Basin." In Morphogenesis, Environmental Stress and Reverse Evolution, 245–87. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47279-5_12.

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Schieber, Jürgen. "Styles of Agglutination in Benthic Foraminifera from Modern Santa Barbara Basin Sediments and the Implications of Finding Fossil Analogs in Devonian and Mississippian Black Shales." In Cellular Origin, Life in Extreme Habitats and Astrobiology, 573–89. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1896-8_30.

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Conference papers on the topic "Fossile Foraminiferen"

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Cann, John H., and Colin V. Murray-Wallace. "LATE PLEISTOCENE PALEOSEALEVELS INFERRED FROM FOSSIL FORAMINIFERA, GULF ST VINCENT, SOUTHERN AUSTRALIA." In 113th Annual GSA Cordilleran Section Meeting - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017cd-291968.

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Ning, Chaozhong, Xili Deng, Xuan Liao, Youjing Wang, Guangya Zhu, Haiying Han, Jing Yang, et al. "Development Mechanism of Ultra-Low Permeability Limestone Reservoirs: A Case Study of the Cretaceous S-Reservoir in H Oilfield, Iraq." In ADIPEC. SPE, 2022. http://dx.doi.org/10.2118/211591-ms.

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Abstract Ultra-low permeability limestone reservoirs in the Middle East have huge untapped reserves. In Iraq, Field H has nearly one quarter of reserves in the S-Reservoir with permeabilities of (0.02-0.4 mD). It is difficult to identify optimal drilling locations, or sweet spots, that maximize recovery factors due to poor understanding of reservoir characteristics. Using the S-limestone reservoir, this study aims to clarify the environment of deposition, diagenetic evolution, reveal the development mechanism of ultra-low permeability, and predict the distribution of more favorable areas. Whole core, thin sections, scanning electron microscope (SEM), mercury injection (MICP), well logs, and seismic data were utilized for the analysis. Through core and thin section observation, lithology, biostratigraphic sequences, pore type, and sedimentary structures were determined. Through these observations the environment of deposition of the S-Formation is interpreted as mid to outer carbonate ramp. The lithology is mainly wackestone to packstone deposited in a low energy environment below fair weather wave base. Primary fossils are planktonic foraminifera tests as grains and coccolith microfossils in the matrix. Thin sections and MICP analysis helped delineate the porosity classes and diagenetic history. The pore throat size, determined by MICP data, was 0.03 - 0.1 μm. Primary porosity is around 10-25% and is driven by intragranular voids in foraminifera tests, followed by intergranular, and intercrystalline microporosity of the matrix. Foraminifera tests are generally intact and float in the mud matrix. As a result, large intragranular pores are well developed but not connected, causing overall medium-high porosity but ultra-low permeability. Early marine calcite cement is the primary diagenetic process which destroyed porosity and permeability. Little to no evidence of secondary dissolution was observed.
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Brombacher, Anieke, Alex Searle-barnes, Wenshu Zhang, and Thomas H. G. Ezard. "WHEN IN ONTOGENY DO SPECIES DIFFERENCES EMERGE? A CASE STUDY OF A FOSSIL PLANKTONIC FORAMINIFERA LINEAGE." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-380056.

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Shmorhun, Nina M. E., Stephen J. Culver, Kathleen M. Farrell, David J. Mallinson, and Stanley R. Riggs. "MODERN AND FOSSIL FORAMINIFERAL ASSEMBLAGES OF ONSHORE AND OFFSHORE SUBENVIRONMENTS FROM BEAR ISLAND AND BOGUE BANKS, NORTH CAROLINA, USA." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-303222.

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Reports on the topic "Fossile Foraminiferen"

1

McNeil, D. H., D. R. Issler, and L. R. Snowdon. Colour alteration, thermal maturity, and burial diagenesis in fossil foraminifers. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1996. http://dx.doi.org/10.4095/208174.

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