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Dissertations / Theses on the topic 'Perissodactyla'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Danilo, Laure. "Evolution des structures neurocrâniennes des Equoidea (Mammalia, Perissodactyla) européens paléogènes." Thesis, Montpellier 2, 2012. http://www.theses.fr/2012MON20190/document.

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La radiation adaptative des Equoidea est encore mal comprise en raison notamment de la méconnaissance de la phylogénie de cette super-famille. La principale irrésolution de ces relations de parenté porte sur les pachynolophes, Equoidea européens rapprochés des Equidae ou des Palaeotheriidae. Pendant une grande part de l'Éocène, l'Europe est isolée et subit à la fin de cette période de profonds changements climatiques. Lors de la Grande Coupure son isolement s'achève, tandis que l'aridité du climat s'installe, et des faunes migrantes provoquent l'extinction de nombreux groupes endémiques. Un Eq

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2

Colbert, Matthew William. "Patterns of evolution and variation in the Tapiroidea (Mammalia: Perissodactyla) /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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3

Holanda, Elizete Celestino. "Sobre os Tapiritae (Mammalia, Perissodactyla) do quaternário da América do Sul." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/38640.

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O gênero Tapirus (Perissodactyla, Tapiridae) é de origem holártica e entre o Mioceno e Plioceno final é amplamente distribuído na América do Norte, Europa e Ásia. Os tapires aparecem na América do Sul após a formação do Istmo de Panamá, durante o Grande Intercâmbio Biótico Americano, Pleistoceno inicial - médio. Neste trabalho, é revisado o material tipo das espécies atribuídas ao gênero na América do Sul; descrito material inédito proveniente da Venezuela e Brasil; realizado estudo comparativo morfológico e morfométrico; e proposto hipóteses quanto à origem e filogenia dos tapires na América

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4

Xu, Xiufeng. "Studies of mammalian mitochondrial genomes with special emphasis on the perissodactyla." Lund : Lund University, 1996. http://catalog.hathitrust.org/api/volumes/oclc/38161173.html.

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5

Holanda, Elizete Celestino. "Os Tapiridae (Mammalia, Perissodactyla), do pleistoceno superior do estado de Rondônia, Brasil." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2007. http://hdl.handle.net/10183/8799.

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O material aqui estudado provém da Formação Rio Madeira, da localidade de Araras, Município de Nova Mamoré. O espécime UNIR-PLV-M009, um crânio quase completo, apresenta as sinapomorfias do gênero Tapirus, mas difere de todas as espécies conhecidas pelos frontais largos, cuja pneumatização se estende até a sutura fronto-parietal, pela crista sagital alta e pelo P2 pouco molarizado, constituindose numa nova espécie, não nominada, de Tapirus. O espécime UMVT-4075, um palato incompleto com todos os dentes, difere de UNIR-PLV-M009 pelo P2 molarizado, e compartilha com Tapirus terrestris este e os

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6

Zouhri, Samir. "Hipparion molayanensis (mammalia, perissodactyla) du turolien (miocene superieur) de molayan (afghanistan). Descriptoin, comparaison et systematique." Paris 7, 1992. http://www.theses.fr/1992PA077211.

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Tous les restes fossiles d'hipparion de molayan (afghanistan) ont ete rapportes a une seule espece hipparion molayanensis qui combine un effacement presque total de la fosse preorbitaire et des caracteres habituels des hipparions turoliens: taille moyenne, plissement moyen de l'email dentaire, absence d'ectostylide sur les dents jugales inferieures definitives, proportions graciles des metapodes, developpement de la quille sagittale et presence constante d'une facette articulaire pour le petit cuneiforme sur les mt iii. Les proportions craniennes, les caracteres dentaires et post-craniens perm

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7

GATTI, A. "Modelos de nicho, mudanças climáticas e a vulnerabilidade do clado Perissodactyla ao longo do tempo." Universidade Federal do Espírito Santo, 2013. http://repositorio.ufes.br/handle/10/4362.

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Made available in DSpace on 2016-08-29T15:33:48Z (GMT). No. of bitstreams: 1 tese_6556_Tese_GattiA_final.pdf: 4766815 bytes, checksum: ae5e9bc1dc989b63a579138159d20959 (MD5) Previous issue date: 2013-06-20<br>A Terra sofreu várias mudanças climáticas no passado e as mais recentes ocorreram durante os ciclos glacial-interglacial no Quaternário resultando na perda de habitat, em expansões e reduções do nível dos oceanos, produzindo mudanças nos ecossistemas e alterações significativas no habitat disponível para os herbívoros terrestres, principalmente. Muitas extinções dessa época são associad

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8

Mains, Christine Marie. "COMPARATIVE MAPPING: HOMOLOGY WITHIN THE ORDER PERISSODACTYLA OF FOUR GENES LOCATED ON EQUUS CABALLUS CHROMOSOME 20." Connect to this title online, 2004. http://lib.uky.edu/ETD/ukyvesc2004t00198/CMThesis.pdf.

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9

Famoso, Nicholas. "The Evolution of Occlusal Enamel Complexity in Middle Miocene to Recent Equids (Mammalia: Perissodactyla) of North America." Thesis, University of Oregon, 2013. http://hdl.handle.net/1794/13267.

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Four groups of equids, "Anchitheriinae," Merychippine-grade Equinae, Hipparionini, and Equini, coexisted in the middle Miocene, and only the Equini remains after 16 million years of evolution and extinction. Each group is distinct in its occlusal enamel pattern. These patterns have been compared qualitatively but rarely quantitatively. The processes controlling the evolution of these occlusal patterns have not been thoroughly investigated with respect to phylogeny, tooth position, and climate through geologic time. I investigated two methods of quantitative analysis, Occlusal Enamel Index for

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10

Bronnert, Constance. "Origine et premières dichotomies des Périssodactyles (Mammalia, Laurasiatheria) : apport des faunes de l'Éocène inférieur du bassin de Paris A primitive perissodactyl (Mammalia) from the early Eocene of Le Quesnoy (MP7, France) First European ‘Isectolophidae’ (Mammalia, Perissodactyla): Chowliia europea, sp. nov., from the lower Eocene of Le Quesnoy, France." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS563.

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Les périssodactyles (comprenant aujourd’hui les chevaux, les rhinocéros et les tapirs) apparaissent au début de l’Éocène et se dispersent rapidement dans tout l’hémisphère Nord. Leur origine géographique, probablement asiatique, ainsi que leur origine phylogénétique est actuellement débattue. Ce travail présente une étude et une révision des périssodactyles hippomorphes de l’Éocène inférieur (MP7-MP10) d’Europe, ainsi qu’une nouvelle phylogénie pour tenter de répondre à ces questions. La majorité du matériel est inédite et provient du bassin de Paris, ainsi que du sud de la France. Douze espèc

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11

Abernethy, Aaron Randall. "Extreme Variation in the Sagittal Crest of Tapirus polkensis (Mammalia Perissodactyla) at the Gray Fossil Site Northeastern TN." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etd/1348.

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The preservation and quantity of fossil tapirs (Tapirus polkensis) from the Gray Fossil Site in northeastern Tennessee provides a unique opportunity for comparison and analysis of skeletal characters. Intraspecifically, modern tapirs show little to no variation in the morphology of the sagittal crest. However, several different morphologies exist within the sample at Gray. No osteological evidence of sexual dimorphism exists for tapirs, and no correlation between crest shape and sex was observed. Several juveniles display well defined crests, while some adults have only minor thickening of the

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12

Luca, Juliana Ranzani de. "Mosaicos sucessionais em florestas tropicais: efeitos sobre o forrageio e deposição de fezes pela anta Tapirus terrestris (Perissodactyla: Tapiridae)." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/41/41133/tde-17122012-195311/.

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Grandes mamíferos herbívoros exercem papel fundamental para a função e estrutura dos ecossistemas terrestres, através principalmente da herbivoria e da deposição de fezes e urina, que influenciam a germinação e crescimento de plantas, a composição e diversidade de comunidades vegetais, a ciclagem e translocação de nutrientes, o estoque de carbono e a freqüência de distúrbios como o fogo. Entretanto, em florestas tropicais, o papel de grandes mamíferos herbívoros foi pouco estudado até o momento. De acordo com a Teoria de Forrageio Ótimo, a seleção de recursos alimentares é resultado do balanço

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13

Affonso, Renato de Oliveira. "Tapirus terrestris (Linnaeus, 1758) (Mammalia, Perissodactyla) em uma área de floresta subtropical no sul do Brasil : dieta, uso da área e densidade populacional." Universidade Federal do Rio de Janeiro, 1998. http://hdl.handle.net/11422/3998.

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Submitted by Alberto Vieira (martins_vieira@ibest.com.br) on 2018-05-24T20:01:45Z No. of bitstreams: 1 273272.pdf: 10845502 bytes, checksum: e0fb087ca900b9dbb7bf9e10bedd25d3 (MD5)<br>Made available in DSpace on 2018-05-24T20:01:45Z (GMT). No. of bitstreams: 1 273272.pdf: 10845502 bytes, checksum: e0fb087ca900b9dbb7bf9e10bedd25d3 (MD5) Previous issue date: 1998<br>CAPES<br>Este estudo apresenta uma análise de dados referentes ao uso do habitat, dieta, dispersão de sementes, e densidade populacional de Tapirus terrestris no Parque Florestal Estadual do Turvo, localizado em uma área de flores

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14

Pinedo, Vicente Rosa Ysabel. "Detección de anticuerpos y factores de riesgo asociados con Toxoplasma gondii en animales silvestres en cautiverio del orden carnivora, primates, perissodactyla, cetartiodactyla y rodentia." Master's thesis, Universidad Nacional Mayor de San Marcos, 2018. https://hdl.handle.net/20.500.12672/8651.

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Publicación a texto completo no autorizada por el autor<br>Determina la presencia de anticuerpos contra Toxoplasma gondii en algunos animales silvestres en cautiverio de los ordenes Carnivora, Primates, Perissodactyla, Cetartiodactyla y Rodentia, así como identificar los factores de riesgo que intervienen en su presentación; estableciendo el rol que cumplen felinos domésticos (Felis silvestris f. catus) y roedores del género Rattus sp. libres en el centro en cautiverio en la transmisión del parásito. El trabajo se desarrolló en el zoológico del Patronato del Parque de las Leyendas, distrito de

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15

Absolon, Bruno Araujo. "Pan-biogeografia dos ungulados viventes (Mammalia: Cetartiodactyla e Perissodactyla) da região Neotropical, da Zona de Transição Sul-americana e região Andina: aspectos históricos e conservacionistas." Universidade do Estado do Rio de Janeiro, 2013. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=6497.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Os ungulados viventes (Cetartiodactyla e Perissodactyla), nas regiões estudadas, são representados por 11 gêneros e 24 espécies. O presente estudo propõe reconhecer os padrões de distribuição destas espécies, a partir da aplicação do método pan-biogeográfico de análise de traços. Este método auxilia no entendimento a priori dos padrões congruentes de distribuição e numa compreensão de padrões e processos de diferenciação geográfica no tempo e no espaço, reconstruindo a biogeografia de táxons. Em relação a aspectos conservacionistas

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16

Sautet, Jean-Yves. "Etude histoenzymologique, ultrastructurale et morphométrique de trois muscles laryngés du cheval : modifications expérimentales et pathologiques." Toulouse 3, 1986. http://www.theses.fr/1986TOU30076.

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17

Almahbobi, Ghanim. "Evolution morphologique et fonctionnelle des tissus steroidogenes des gonades equines." Caen, 1987. http://www.theses.fr/1987CAEN2018.

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Au stade du follicule preovulatoire, la granulosa qui presente tous les caracteres ultrastructuraux des cellules steroidogenes, serait capable de synthetiser les steroides, tout en gardant sa capacite d'aromatisation. Chez le male, deux types de cellules de leydig resultant de deux differenciations postnatales (puberte et age adulte) ont pu etre mis en evidence

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18

LEE, KANG-MIN. "Enzymes en milieux heterogenes." Université Louis Pasteur (Strasbourg) (1971-2008), 1989. http://www.theses.fr/1989STR13051.

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L'emploi des enzymes en synthese organique pose quelque probleme du fait de la faible solubilite des produits organiques dans l'eau. C'est pourquoi l'alcool dehydrogenase a ete cristallisee; les microemulsions offrent des proprietes favorables a l'activite enzymatique

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19

Zhu, Henan. "Coevolutionary history of ERVs and Perissodactyls inferred from the retroviral fossil record." Thesis, University of Glasgow, 2018. http://theses.gla.ac.uk/30669/.

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The horse (Equus caballus) is an economically and scientifically important species of mammal. The horse genome (and that of other mammals) contains thousands of sequences derived from retroviruses, called endogenous retroviruses (ERVs). These sequences are highly informative about the long-term interactions of retroviruses and hosts. They are also interesting because they have influenced the evolution of mammalian genomes in various ways. Horses belong to the family Equidae in the order Perissodactyla - comprising 16 extant species of strict herbivores adapted for running and dietary specialis

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20

Zwain, Ismaïl. "Production et aromatisation gonadique des androgenes dans l'espece equine." Caen, 1988. http://www.theses.fr/1988CAEN2018.

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21

Garrett, Nicole Diane. "Isotope analyses of two perissodactyls from the Bridgerian-Uintan transition in the Bridger Formation, greater Green River basin, Wyoming." Connect to online resource, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1442956.

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22

Telford, William Lawrence Jr. "Rigging skeletal perissodactyl and artiodactyl ungulate limbs using analytic inverse kinematic-based solutions for a feature film production environment." Texas A&M University, 2006. http://hdl.handle.net/1969.1/4943.

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The goal of this thesis is to develop and construct a repeatable, scalable, and portable rigging solution for the skeletal limbs of ungulates, maximizing functionality while streamlining intuitive interface controls for a feature film production pipeline. The research presents a methodology for breaking down character reference materials commonly available to feature film productions like artwork, anatomical drawings, photographs, and client provided performance criteria. It then presents a modular methodology and approach for successfully evaluating and applying the character reference to the

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23

Mihlbachler, Matthew Christian. "Phylogenetic systematics of the Brontotheriidae (Mammalia, Perissodactyla) /." 2005. http://digitalcommons.libraries.columbia.edu/dissertations/AAI3174856/.

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Thesis (Ph. D.)--Columbia University, 2005.<br>Department: Earth and Environmental Sciences. Includes bibliographical references. Proquest Digital Dissertations Online ; Also available via the World Wide Web; Subscription required.

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24

Bartley, Katherine Jean. "A taphonomic study of Clarendonian (Miocene) Teleoceras (Perissodactyla, Rhinocerotoidea) from the Ogallala Formation, northwestern Kansas." 2005. http://proquest.umi.com/pqdweb?did=1027485121&sid=12&Fmt=2&clientId=39334&RQT=309&VName=PQD.

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Thesis (M.S.)--State University of New York at Buffalo, 2005.<br>Title from PDF title page (viewed on May 11, 2006) Available through UMI ProQuest Digital Dissertations. Thesis adviser: Korth, William W. Includes bibliographical references.

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25

Rounds, Carolyn. "A New Species of Moropus (Mammalia, Perissodactyla, Chalicotheriodea) in the Batesland Formation, Great Plains Area of North America." 2011. https://scholarworks.umass.edu/theses/559.

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The chalicothere Moropus was a rare perissodactyl present in the Great Plains region of North America through much of the Miocene. A temporal gap in named species of Moropus is present in the early Hemingfordian North American Land Mammal Age. This gap is filled by specimens currently referred to as Moropus sp. from the Batesland Formation in southwest South Dakota, and unnamed specimens of Moropus in the Runningwater Formation in northwestern Nebraska. A comparison of the fossils of Moropus nsp. from the Batesland Formation with those of previously described chalicothere species from the G

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26

Holbrook, Luke Thomas. "Comparative osteology of tapiromorph perissodactyls and its phylogenetic implications." 1997. https://scholarworks.umass.edu/dissertations/AAI9737539.

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Despite a rich fossil record and much attention from paleontologists, the phylogeny of mammalian order Perissodactyla (including extant horses, rhinoceroses, and tapirs) is poorly understood. There are at present no well-supported phylogenetic hypotheses of the interrelationships of perissodactyls, nor has the position of this order among other eutherian orders been established. The main hindrance to this understanding is a lack of thorough and rigorous analysis of characters and taxa. This study attempts to overcome this problem by analyzing characters from all aspects of the skeleton in a br

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