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Dissertations / Theses on the topic 'Fossil species'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Swisher, Robert E. "Paleobiogeographical and evolutionary analysis of Late Ordovician, C₅ sequence brachiopod species, with special reference to Rhynchonellid taxa." Ohio : Ohio University, 2009. http://www.ohiolink.edu/etd/view.cgi?ohiou1245445583.

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2

Vavrek, Matthew. "Palaeomacroecology: large scale patterns in species diversity through the fossil record." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=96968.

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Palaeomacroecology is the study of large scale patterns of species diversity in the fossil record, encompassing a variety of subtopics. This thesis also addresses a variety of these subtopics, making it difficult to define under one heading.The first portion of the thesis deals with a new package of software tools for the analysis of large scale datasets, with a specific focus towards palaeoecology and palaeogeography. These software tools have been combined into a package called fossil that has been released on the Comprehensive R Archive Network (CRAN), and is already being used by other pal

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3

Short, Rachel A. "A New Species of Teleoceras from the Late Miocene Gray Fossil Site, with Comparisons to Other North American Hemphillian Species." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etd/1143.

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A thorough morphological description of Teleoceras material from the Gray Fossil Site, Gray, Tennessee is provided. This is the only record of a browsing Teleoceras and, as a late Hemphillian locality, represents one of the youngest populations. Linear measurements of post-cranial elements indicate proportional differences between Teleoceras from the Gray Fossil Site and those from other Hemphillian localities. These differences are more pronounced in the elements of the forelimb than in those of the hind limb. Statistical analyses of post-cranial elements from 3 Hemphillian species of Teleoce

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4

James, Helen Frances. "Historical perspectives on the evolution and ecology of Hawaiian birds : part I: phylogeny of the Hawaiian finches (Fringillidae: Drepanidini); part II: palaeoecology of terrestrial communities." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325927.

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5

Brassey, Charlotte. "Biomechanical modelling of long bones and body mass estimation in modern and fossil species." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/biomechanical-modelling-of-long-bones-and-body-mass-estimation-in-modern-and-fossil-species(112da3ec-eb91-4d2e-bde1-64ed5d8b2299).html.

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The thesis presented herein utilizes a variety of methods to address the biomechanical function of vertebrate hind limb bones in both modern and fossil species. In an innovative application of beam theory, the maximum force a long bone is capable of withstanding before yield is calculated under a variety of simplified loading conditions for a phylogenetically diverse sample of modern birds and mammals. In doing so, new insights are gained into the combined role of limb bone geometry and load vector in achieving mass-invariant safety factors under static loading. In particular, the avian femur

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6

Moore, Jason Richard. "Quantifying isotaphonomy and assessing the preservation of species evenness in the terrestrial vertebrate fossil record." Thesis, University of Cambridge, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614182.

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7

Jansky, Kyle J. "Identifying Myotis Species Using Geometric Morphometrics and its Implications for the Fossil Record and Conservation." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etd/1145.

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Dentaries of the 6 species of Myotis that occur in the eastern United States were analyzed using landmark-based geometric morphometrics. The species could be distinguished with a high degree of accuracy. Evidence was found of a phylogenetic signal in the morphology of the Neotropical and Nearctic Myotis sub-clades. There is also evidence of convergence in the morphology of the dentary among Myotis species that feed primarily by gleaning. When analyzed together there was no evidence of sexual dimorphism among the 6 eastern U.S. Myotis, but when analyzed individually some dimorphism may be prese

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8

Emery, Meaghan. "Assessment of Character Variation in the Crania and Teeth of Modern Artiodactyls for Better Species Diagnosis in the Fossil Record." Thesis, University of Oregon, 2016. http://hdl.handle.net/1794/20726.

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Accurately distinguishing species in the fossil record is difficult when the extent of osteological variation in many modern animals is unknown. Research into intraspecific variation has been conducted in a number of groups, but has not been conducted for systematics use in most modern artiodactyls. In this dissertation I quantify intraspecific variation of teeth in 14 species of modern artiodactyl, then test how accurately cranial characters diagnose modern, sympatric species of duikers, and use this information to reassess the artiodactyl diversity of a fossil group: the superfamily Merycoid

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9

Peart, Daniel Chad. "CONTINUOUS OR PULSE? SIMULATING SPECIATION AND EXTINCTION FROM EAST AND SOUTH AFRICAN FAUNA AT PLIO-PLEISTOCENE FOSSIL SITES." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429298292.

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10

Lagomarcino, Anne J. "The relationship between genus richness and geographic area in Late Cretaceous marine biotas." University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1298394640.

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11

Walls, Bradley J. "Quantitative Paleobiogeography of Maysvillian (Late Ordovician) Brachiopod Species of the Cincinnati Arch: a Test of Niche Modeling Methods for Paleobiogeographic Reconstruction." Ohio : Ohio University, 2009. http://www.ohiolink.edu/etd/view.cgi?ohiou1243010764.

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12

Lawson, Laté Ayao. "Essays on economic growth energy use and biodiversity loss." Electronic Thesis or Diss., Strasbourg, 2019. http://www.theses.fr/2019STRAB011.

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L'impact de l'activité économique et de l'augmentation de la population sur l'environnement soulève de profondes questions sur l'avenir des sociétés humaines et des ressources environnementales. En ceci, les "Limites de la Croissance" ("Limits to Growth", Meadows, Meadows, Behrens et Randers, 1974) mettent en garde les sociétés humaines contre la possibilité d'un effondrement social si les tendances actuelles d'exploitation de ressources naturelles et de dégradation de l'environnement suivent leur court. La richesse de la nature étant primordiale à la richesse des nations, cette thèse en scien

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13

Jackson, Illiam. "Morphometric analysis of Cambrian fossils and its evolutionary significance." Doctoral thesis, Uppsala universitet, Paleobiologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-319487.

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The Extended Evolutionary Synthesis (EES) is currently emerging as a theoretical alternative to the Modern Synthesis (MS) in which to frame evolutionary observations and interpretations. These alternative frameworks differ fundamentally in their understanding of the relative roles of the genotype, phenotype, development and environment in evolutionary processes and patterns. While the MS represents a gene-centred view of evolution, the EES instead emphasizes the interactions between organism, development and environment. This novel theoretical framework has generated a number of evolutionary p

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14

Isaza, Londoño Carolina. "Late Maastrichtian paleoclimatology and the paleobiology of Raceguembelina fructicosa, Contusotruncana contusa and Rugoglobigerina rugosa inferred from single specimen [delta]¹³C and [delta]¹⁸O data /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p1421145.

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15

Bybee, Seth M. "Phylogenetics, evolution, and systematics of Holodonata with special focus on wing structure evolution morphological, molecular and fossil evidence /." [Gainesville, Fla.] : University of Florida, 2008. http://purl.fcla.edu/fcla/etd/UFE0023589.

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16

Klinken, G. J. van. "Dating and dietary reconstruction by isotopic analysis of amino acids in fossil bone collagen-with special reference to the Caribbean." Amsterdam : Fondation for Scientific Research in the Caribbean Region, 1991. http://catalog.hathitrust.org/api/volumes/oclc/26955816.html.

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17

Merson, Samuel David. "Bushmeat hunting, retaliatory killing, habitat degradation and exotic species as threats to Fosa (Cryptoprocta ferox) conservation." Thesis, University of Oxford, 2017. http://ora.ox.ac.uk/objects/uuid:cae515e4-5b08-4228-a38e-3bb5929887af.

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Large carnivores are in global decline, chiefly resultant of anthropogenic persecution, habitat reduction and disturbance. Fosas represent Madagascar's largest carnivore, occupying much of the island's forest. This thesis examines the threats of bushmeat hunting, retaliatory killing, habitat alteration and exotic species using sociological and remote-sensing methodologies. Habitat degradation was not associated with reduced fosa occupancy, indicating some resilience within large, contiguous forests. However, competition with exotic species (cats, dogs) was associated with reduced fosa occupanc

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18

Katz, Eric Paul. "Measurement of the Cross-Sectional Area of the Nasal Passages of Nine Species of Modern Odontoceti with Implications for Comparative Physiology and the Paleophysiology of the Dinosauria." PDXScholar, 1999. https://pdxscholar.library.pdx.edu/open_access_etds/2247.

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In search of evidence for or against the endothermic dinosaur hypothesis, a recent study by Ruben et al. (1996) revealed that endotherms tend to have larger nasal cross-sectional areas than ectotherms of the same mass. The reason offered for this observation was that larger nasal passages are needed to house the complex respiratory turbinates possessed by endotherms. Whales were excluded from the study on the grounds that they have no nasal turbinates. In the present study, the cross-sectional area of the nasal passages of nine species of Odontoceti were measured by the use of latex casts. The

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19

PARRA, IGOR. "Quantification des précipitations 0 partir des spectres polliniques actuels et fossiles : du tardiglaciaire à l'holocène supérieur de la côte méditerranéenne espagnole." Paris, EPHE, 1994. http://www.theses.fr/1994EPHE3012.

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Des estimations quantifiées des précipitations sont proposées dans le secteur ibérique durant la transition glaciaire-interglaciaire. Une calibration pollen/précipitations a été effectuée pour la première fois sur une banque de données aéropolliniques. Deux fonctions analytiques différentes ont été formulées et appliquées simultanément aux données fossiles. Les variations des précipitations estimées couvrent les derniers 20 000 ans

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20

Mengistu, Azemeraw Tadesse. "Modeling and Analysis of Long-Term Shifts in Bioenergy Use-With Special Reference to Ethiopia : Improving Sustainable Development." Thesis, KTH, Energi och klimatstudier, ECS, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-129541.

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Ethiopia is one of the sub-Saharan Africa countries whose energy depends on traditional use of biomass such as wood, charcoal, agricultural residues and animal dung. The traditional use of biomass mainly wood and charcoal leads the country to massive deforestation and forest degradation. Negative environmental impacts from poorly managed municipal solid waste are also serious problems in the country. Moreover, there is a wide range of fossil fuels demand in the country fully covered by importing which results to a significant expenditure from the country’s budget. This study investigates the l

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21

Rothe, Andrea Kerstin [Verfasser], Martin [Akademischer Betreuer] Banse, Scott [Gutachter] McDonald, and Harald [Gutachter] Grethe. "Impact of the Exit from Nuclear and Fossil-fuel Energy on the German Economy : A General Equilibrium Analysis with Special Emphasis on Agriculture and Electricity / Andrea Kerstin Rothe ; Gutachter: Scott McDonald, Harald Grethe ; Betreuer: Martin Banse." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2018. http://d-nb.info/1162339691/34.

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22

Rothe, Andrea Kerstin Verfasser], Martin [Akademischer Betreuer] [Banse, Scott [Gutachter] McDonald, and Harald [Gutachter] Grethe. "Impact of the Exit from Nuclear and Fossil-fuel Energy on the German Economy : A General Equilibrium Analysis with Special Emphasis on Agriculture and Electricity / Andrea Kerstin Rothe ; Gutachter: Scott McDonald, Harald Grethe ; Betreuer: Martin Banse." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2018. http://d-nb.info/1162339691/34.

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23

Olson, Carina. "Neolithic Fisheries : Osteoarchaeology of Fish Remains in the Baltic Sea Region." Doctoral thesis, Stockholm : Department of Archaeology and Classical Studies, Stockholm University, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-8215.

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24

OKŘINOVÁ, Isabela. "Paleoecology of fossil species of canids (Canidae, Carnivora, Mammalia)." Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-166262.

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There were reconstructed phylogeny of recent and fossil species of subfamily Caninae in this study. Resulting phylogeny was used for examining possible causes of cooperative behaviour in Caninae. The study tried tu explain evolution of social behavior in canids.

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25

Dykes, Susan Jane. "Shape and size variability in lower second molars of extant hominoids and extinct hominin species with particular reference to modern homo sapiens and its potential for use as an analogue species in the context of fossil hominin dental variability comparisons." Thesis, 2018. https://hdl.handle.net/10539/25804.

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Thesis is submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the Faculty of Science, School of Geosciences, University of the Witwatersrand, Johannesburg, 2018<br>Teeth make up the bulk of hominin fossil material and are useful in taxonomic assessments. In this thesis, discriminant function, principal components and randomised CV analyses on large samples of lower second molars (n=778) from five extant reference species, both sexually dimorphic and non-dimorphic, provide estimates of ranges of size-shape variability to be expected within a single species. How

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26

Dykes, Susan J. "A morphometric analysis of hominin teeth attributed to different species of australopithecus, paranthropus and homo." Thesis, 2015. http://hdl.handle.net/10539/16841.

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A dissertation submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in fulfilment of requirements for the degree of Master of Science. Johannesburg, October 29, 2014.<br>Teeth are the most common element in the fossil record and play a critical role in taxonomic assessments. Size, relative width and cusp arrangements on enamel crown surfaces are used to help assess relationships between specimens. In this exploratory study, a model is developed for the placement of landmarks on images of lower first molars to maximise key information from crown surfaces of molars

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27

Paull, Rosemary. "Cenozoic cupressaceae macrofossils from Southeastern Australia: comparisons with extant genera/species." 2007. http://hdl.handle.net/2440/57421.

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Title page, abstract and table of contents only. The complete thesis in print form is available from the University of Adelaide Library.<br>Tasmanian fossil sites are rich in Cupressaceae genera and species and yet only three genera (Artrotaxis, Diselma, Callitris) survive there today. The aim of this study is the identification of some new and previously undescribed Cupressacea-related Tasmanian fossils. This is achieved by comprehensive morphological reviews of the foliage and cones (ovulate and pollen) of six extant Southern Hemisphere Cupressaceae genera.<br>http://proxy.library.adelaide.e

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28

Taru, Phillip. "Identification of mammalian species represented by fossil hairs in Parahyaena Brunnea coprolites from middle pleistocene deposits at Gladysvale Cave, South Africa." Thesis, 2013. http://hdl.handle.net/10539/12318.

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This research focuses on scale pattern and cross sectional morphology of hair to identify fossil hairs from Parahyaena brunnea (brown hyaena) coprolites, from Gladysvale cave in the Sterkfontein Valley, South Africa. The coprolites are part of a brown hyaena latrine preserved in calcified cave sediment dated to the Middle Pleistocene (257- 195 ka). Forty-eight fossil hairs were extracted from a 75 x 30 x 15 cm block using fine tweezers and a binocular microscope. They were ultrasonic cleaned in analar ethanol and examined using scanning electron microscopy. Hair identification was based on con

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29

CAPOCCI, MAURO. "La fine delle specie. Fossili e estinzione nell'Histoire naturelle." Doctoral thesis, 2003. http://hdl.handle.net/11573/495839.

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30

Estraviz, López Darío. "Quaternary fossil vertebrates from continental Portugal: Paleobiodiversity, revision of specimens and new localities." Master's thesis, 2019. http://hdl.handle.net/10362/74150.

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The Quaternary fossil record of Portugal is important for our understanding of the paleobiodiversity in Iberia. In the present master thesis a series of studies augment our knowledge about this topic. A census of Quaternary paleobiodiversity is carried out in order to test how reliable the fossil record is for detecting living species, resulting in that ~38% of living terrestrial tetrapods are recognized in the fossil record for Portugal, although the number of species recognized varies between groups. The body mass of a Portuguese proboscidean (Palaeoloxodon antiquus) is calculated via numer

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31

Benade, Maria Magdalena. "Thoracic and lumbar vertebrae of African hominids ancient and recent: morphological and fuctional aspects with special reference to upright posture." Thesis, 2016. http://hdl.handle.net/10539/20646.

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A Dissertation Submitted to the Faculty of Science University of the Witwatersrand, Johannesburg for the Degree of Master of Science January, 1990<br>This is a study of the morphological and functional aspects of A. africanus thoracic and lumbar vertebrae in comparison with those of modern human and anthropoid ape vertebrae. The purpose is to determine if any derived features in the morphology of hominids, as distinct from primitive features shared with non-hominids, were present and if so to what stage of attainment of full erectness such features point. The major results of this st

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32

Stocker, Michelle Renae. "Conceptualizing vertebrate faunal dynamics : new perspectives from the Triassic and Eocene of Western North America." 2013. http://hdl.handle.net/2152/22086.

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Conceptualizations of actual biological patterns as preserved in the fossil record must accommodate the results of biotic and abiotic drivers of faunal dynamics. However, those conceptualizations also may reflect cognitive biases resulting from foundational philosophical stances. Whether fossils are conceptualized as the remains of biological entities or as geological objects will affect both taxonomic identifications and secondary inferences derived from those identifications. In addition, operational research bias centered on relativistic views of ‘importance’ of particular components (i.e.,

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33

Maia, Anabela Rodrigues. "O trabalho colaborativo entre o docente de educação especial e os docentes do ensino regular : ponte ou fosso?" Master's thesis, 2016. http://hdl.handle.net/10400.14/21471.

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A presente investigação parte do contexto profissional da investigadora e da convicção de que um trabalho colaborativo entre o docente de Educação Especial e os professores do ensino regular poderá acarretar inúmeros benefícios. Deste modo, a constatação do que efetivamente acontece no terreno assume toda a centralidade da nossa investigação - de que forma é que os professores descrevem e interpretam a forma como se operacionaliza, ou não (e porquê), uma cultura de colaboração entre o docente de ensino regular e o docente de Educação Especial, de modo a contribuir, não só para práticas mais i

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