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Dissertations / Theses on the topic 'Annelids'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Ogino, Tetsuya. "Environmental adaptation mechanism in marine annelids." Kyoto University, 2019. http://hdl.handle.net/2433/242707.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第21830号<br>農博第2343号<br>新制||農||1068(附属図書館)<br>学位論文||H31||N5202(農学部図書室)<br>京都大学大学院農学研究科応用生物科学専攻<br>(主査)教授佐藤健司, 教授澤山茂樹, 准教授豊原治彦<br>学位規則第4条第1項該当

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2

Tilic, Ekin [Verfasser]. "Ultrastructure, Formation and Evolution of Chaetae in Annelids / Ekin Tilic." Bonn : Universitäts- und Landesbibliothek Bonn, 2016. http://d-nb.info/1096329972/34.

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3

McDougall, Carmel. "Comparative biology of Pomatoceros lamarckii and Dix evolution in annelids." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.497051.

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4

Jennings, Robert M. (Robert Michael). "Mitochondrial genomics and northwestern Atlantic population genetics of marine annelids." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/39191.

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Thesis (Ph. D.)--Joint Program in Biological Oceanography (Massachusetts Institute of Technology, Dept. of Biology; and the Woods Hole Oceanographic Institution), 2005.<br>Includes bibliographical references.<br>The overarching goal of this thesis was to investigate marine benthic invertebrate phylogenetics and population genetics, focused on the phylum Annelida. Recent expansions of molecular methods and the increasing diversity of available markers have allowed more complex and fine-scale questions to be asked at a variety of taxonomic levels. At the phylogenetic level, whole mitochondrial g

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5

Parry, Luke Alexander. "A palaeontological perspective on the early evolution and phylogeny of annelids." Thesis, University of Bristol, 2017. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.738261.

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6

Elsworth, Benjamin Lloyd. "Unearthing the genome of the earthworm Lumbricus rubellus." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/7596.

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The earthworm has long been of interest to biologists, most notably Charles Darwin, who was the first to reveal their true role as eco-engineers of the soil. However, to fully understand an animal one needs to combine observational data with the fundamental building blocks of life, DNA. For many years, sequencing a genome was an incredibly costly and time-consuming process. Recent advances in sequencing technology have led to high quality, high throughput data being available at low cost. Although this provides large amounts of sequence data, the bioinformatics knowledge required to assemble a

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7

Georgieva, Magdalena Nikolaeva. "Tube-building annelids from hydrothermal vents and cold seeps : tube morphology, fossilisation, and evolutionary history." Thesis, University of Leeds, 2016. http://etheses.whiterose.ac.uk/15492/.

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Problems with the identification of tubular fossils from ancient hydrothermal vent and cold seep deposits have hindered understanding of the evolutionary history of vent and seep communities. This thesis aims to (1) improve knowledge of lesser-studied tubicolous annelids occupying vents and seeps, (2) study the diversity of tubes at vents and seeps, (3) investigate the fossilisation of tubes within modern vents and seeps, (4) better interpret the fossil record, and (5) provide insights into the palaeoecology these environments. Results presented here on investigations of Sclerolinum contortum,

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8

Tanaka, Sota. "Behavior of radioactive cesium through the food chain in arthropods and annelids after the Fukushima Dai-ichi nuclear power plant accident." Kyoto University, 2019. http://hdl.handle.net/2433/242703.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第21826号<br>農博第2339号<br>新制||農||1067(附属図書館)<br>学位論文||H31||N5198(農学部図書室)<br>京都大学大学院農学研究科地域環境科学専攻<br>(主査)准教授髙橋知之, 教授北山兼弘, 准教授刑部正博<br>学位規則第4条第1項該当

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9

Thamm, Katrin [Verfasser]. "Involvement of the Notch-signaling pathway in the development of the two polychaete annelids Capitella sp. I and Platynereis dumerilii / Katrin Thamm." Gießen : Universitätsbibliothek, 2007. http://d-nb.info/1058561766/34.

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10

Vullien, Aurore. "Conservation évolutive et rôles de la signalisation par les ROS durant l'initiation de la régénération. Apport du cnidaire Nematostella vectensis et de l'annélide Platynereis dumerilii." Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ6013.

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La régénération, ie la capacité à reformer une partie du corps perdue suite à une blessure ou une amputation, est un phénomène répandu chez les métazoaires. Toutefois les capacités régénératives varient selon les espèces, de quelques types cellulaires à l'intégralité du corps à partir d'un fragment. Bien que des étapes stéréotypiques (cicatrisation, mobilisation de précurseurs, morphogénèse) soient retrouvées chez toutes les espèces étudiées, on ignore encore largement si la régénération repose sur des mécanisme moléculaires et cellulaires conservés chez les métazoaires, ou si plusieurs aspect

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11

Zhong, Min Halanych Kenneth M. "Applicability of mitochondrial genome data to annelid phylogeny and the evolution of group II introns." Auburn, Ala, 2009. http://hdl.handle.net/10415/1765.

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12

Müller-Kelwing, Karin. "Anneliese Hanisch (Anneliese Rohne)." Böhlau Verlag, 2020. https://slub.qucosa.de/id/qucosa%3A75083.

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13

Sor, Ratha. "Modélisation des changements spatio-temporels des communautés de macroinvertébrés benthiques dans les rivières d'Asie et d'Europe." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30148/document.

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Objectifs généraux: les systèmes fluviaux tropicaux et tempérés d'eau douce sont connus pour soutenir différentes communautés biotiques. Dans cette étude, menée dans une région d'Asie tropicale et dans une région d'Europe tempérée, j'ai étudié la composition et la diversité de la communauté des macro-invertébrés benthiques ainsi que leurs variations spatiales et temporelles. J'ai également examiné les influences des variables physico-chimiques de la qualité de l'eau sur les variations et la diversité de la composition de la communauté et j'ai modélisé l'occurrence d'espèces sélectionnées. Loca

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14

Bioy, Alexis. "Histoire évolutive et influence de la sélection sur la diversité génétique des annélides polychètes d’environnements extrêmes." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS156.

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La question de la variabilité des environnements disponibles pour une population donnée s’est déjà posée par le passé. Levene (1953) a cherché à voir dans quelle mesure il est possible d’avoir un maintien du polymorphisme dans une situation où plus d’une niche écologique est disponible. Par la suite, d’autres se sont intéressés aux conditions (forces de sélection, taille de la niche, etc) dans lesquelles un environnement variable dans l’espace, c’est-à-dire un environnement regroupant plusieurs niches, pouvait induire ou maintenir du polymorphisme. En revanche la variabilité intrinsèque de l’e

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15

Bezerra, Emerson de Azevedo Silva. "Análise filogenética dos Glossoscolecidae (ANNELIDA, EUCLITELLATA)." Universidade Federal da Paraíba, 2013. http://tede.biblioteca.ufpb.br:8080/handle/tede/4114.

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Made available in DSpace on 2015-04-17T14:55:22Z (GMT). No. of bitstreams: 1 ArquivoTotal.pdf: 4257522 bytes, checksum: d45abd8f3cfc70a19e357fa718af6208 (MD5) Previous issue date: 2013-02-25<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>We conducted a study on the phylogenetic relationships of Glossoscolecidae through the henniguian method of data processing. We used morphological characters obtained from references and through observation of animals deposited in collections. A total of 45 characters were selected from 61 terminal taxa. Multiple outgroups wer

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16

Aguado, M. Teresa, Christopher J. Glasby, Paul C. Schroeder, Anne Weigert, and Christoph Bleidorn. "The making of a branching annelid." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-175573.

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Ramisyllis multicaudata is a member of Syllidae (Annelida, Errantia, Phyllodocida) with a remarkable branching body plan. Using a next-generation sequencing approach, the complete mitochondrial genomes of R. multicaudata and Trypanobia sp. are sequenced and analysed, representing the first ones from Syllidae. The gene order in these two syllids does not follow the order proposed as the putative ground pattern in Errantia. The phylogenetic relationships of R. multicaudata are discerned using a phylogenetic approach with the nuclear 18S and the mitochondrial 16S and cox1 genes. Ramisyllis multic

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17

Paterson, Lesley Ann. "Reinitiation of meiosis in polychaete (annelida) oocytes." Thesis, University of St Andrews, 1999. http://hdl.handle.net/10023/14564.

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This thesis presents ultrastructural and biochemical information on meiotic reinitiation during oocyte maturation in the polychaetes, Arenicola marina, A. defodiens and Nereis virens. The ultrastructural changes during meiotic maturation was characterised in the oocytes of Arenicola marina and Nereis virens using transmission electron microscopy in addition to germinal vesicle breakdown, release of the prophase I block was signified by major cortical changes in both species. The ultrastructure of fertilization in A. marina was independent of whether the oocytes were matured in vivo and spawned

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18

Dawod, Virginia. "Population sizes of Enchytraeidae in agricultural plots in NE Scotland and their effect on soil structure." Thesis, University of Aberdeen, 1993. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=186008.

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The Enchytraeidae (Annelida, Oligochaeta) are small whitish worms especially prevalent in moorland and coniferous forest soils. They are less abundant but show varying densities in agricultural soils. They are important in soil decomposition processes and soil structure formation. This thesis reports the results of a study into the population sizes of the enchytraeids in agricultural plots at Craibstone Farm, five miles west of Aberdeen, Scotland, and the reasons for the variations in population size. It also describes the effects of the enchytraeids on soil structure, as determined from caref

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19

Kieselbach, Dominik [Verfasser]. "Untersuchungen zur Phylogenie sedentärer Polychaeten (Annelida) / Dominik Kieselbach." Bonn : Universitäts- und Landesbibliothek Bonn, 2012. http://d-nb.info/1044082879/34.

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20

Brauer, Saskia [Verfasser]. "Untersuchungen zur Phylogenie der Cirratulidae (Annelida) / Saskia Brauer." Bonn : Universitäts- und Landesbibliothek Bonn, 2014. http://d-nb.info/1047622661/34.

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21

Rosa, Renaud de. "Origine et évolution de la segmentation et de la croissance postérieure chez les bilateria." Paris 11, 2002. http://www.theses.fr/2002PA112240.

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Sous l'influence des phylogénies moléculaires, notre conception de l'histoire évolutive des animaux à symétrie bilatérale (Bilateria) a fondamentalement changé au cours de la dernière décennie. Une conséquence majeure de cette nouvelle conception est que les groupes simples, autrefois vus comme des "intermédiaires évolutifs" sont maintenant considérés comme apparentés à des espèces plus complexes. Pour chacun des caractères autrefois définis comme avancés se pose donc la question de savoir si ce caractère est apparu plusieurs fois indépendamment, ou bien s'il était présent chez le dernier ancê

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22

Sousa, Rossana Cristina de Azevedo. "Distribuição espacial dos poliquetas (ANNELIDA, POLYCHAETA) dos Recifes de arenito na praia da Pedra Rachada (Paracaru - Ceará)." http://www.teses.ufc.br/, 2006. http://www.repositorio.ufc.br/handle/riufc/1576.

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SOUSA, Rossana Cristina de Azevedo. Distribuição espacial dos poliquetas (ANNELIDA, POLYCHAETA) dos Recifes de arenito na praia da Pedra Rachada (Paracaru - Ceará). 2005. 70 f. Dissertação (Mestrado em Ciências Marinhas Tropicais) - Instituto de Ciências do Mar, Universidade Federal do Ceará, Fortaleza, 2005.<br>Submitted by Debora Oliveira (deby_borboletinha@hotmail.com) on 2011-12-22T14:36:28Z No. of bitstreams: 1 2006_dis_rcdasousa.pdf: 1654091 bytes, checksum: ed9b68df546408f9b1d3e4ab3341285d (MD5)<br>Approved for entry into archive by Nadsa Cid(nadsa@ufc.br) on 2012-01-23T17:05:51Z (GMT)

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LE-LEPESCHEUX, LE LIEN. "Le collagene cuticulaire des annelides : organisation tridimensionnelle et autoassemblage." Paris 6, 1989. http://www.theses.fr/1989PA066692.

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La cuticule des annelides est une matrice extracellulaire constituee d'un reseau fibrillaire en contreplaque quasi-orthogonal. Le constituant proteique majeur est le collagene qui se presente sous la forme de longues fibrilles helicoidales non striees, constituees de faisceaux de microfibrilles egalment helicoidaux. L'etude ultrastructurale et geometrique de la cuticule montre la presence d'un twist cholesterique cylindrique entre microfibrilles au sein de chaque fibrille. L'organisation tridimensionnelle du collagene cuticulaire est comparable a celle des molecules dans les phases bleues (eta

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24

Hourdez, Stéphane. "Adaptations respiratoires des annelides polychetes de milieux abyssaux hypoxiques." Paris 6, 2000. http://www.theses.fr/2000PA066215.

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Les animaux vivant au niveau des sources hydrothermales et des suintements froids se trouvent dans des conditions contraignantes pour la respiration (peu d'oxygene, presence d'importantes quantites de sulfures et de dioxyde de carbone). Nous nous sommes interesses aux annelides polychetes de ces milieux, prenant trois modeles : alvinella pompejana, du pole chaud hydrothermal, branchipolynoe spp. , commensal des moules du pole froid des sources hydrothermales et un orbiniide provenant des suintements froids du golfe du mexique. Nous avons recherche les adaptations anatomiques et physiologiques

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Herzog, Annelies [Verfasser]. "Öffentlichkeits- und Medienarbeit des Strafverteidigers (Litigation-PR). / Annelies Herzog." Berlin : Duncker & Humblot, 2014. http://d-nb.info/1238432220/34.

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26

Clarke, S. "Long term biological rhythmicity and reproduction : An experimental study of Harmothoe imbricata (L.) (Polychaeta : Polynoidae)." Thesis, University of Newcastle Upon Tyne, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379707.

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27

Breidenbach, Josef. "Normalanatomie und -histologie des Lumbriciden Lumbricus terrestris L. (Annelida, Oligochaeta)." [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=967450195.

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28

Bleidorn, Christoph. "Phylogenetic relationships of sedentary polychaetes (Annelida) inferred from molecular data." [S.l. : s.n.], 2004. http://www.diss.fu-berlin.de/2004/248/index.html.

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29

Pacey, Allan Anthony. "Sperm activation and spawning in Arenicola marina (L.) (Annelida: Polychaeta)." Thesis, University of St Andrews, 1991. http://hdl.handle.net/10023/14562.

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The spermatozoa of Arenicola marina are unlike those of most marine invertebrates, in that they become motile in the body cavity prior to spawning. This occurs in response to a Sperm Maturation Factor (SMF) which is released from the prostomium. Prior to activation, spermatozoa are held as morulae with several hundred spermatozoa connected by a common mass of cytoplasm called the cytophore. Sperm activation by SMF is characterised in vitro, in terms of the ultrastructural changes which occur as the sperm become motile, and an active role for the cytophore during sperm activation is suggested.

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30

Assis, José Eriberto de. "Análise filogenética dos poliquetas portadores de tori: a linhagem dos Enterocoela." Universidade Federal da Paraíba, 2013. http://tede.biblioteca.ufpb.br:8080/handle/tede/4127.

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Made available in DSpace on 2015-04-17T14:55:26Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 8341348 bytes, checksum: 3c793b10a08a57a4fe65df46346e7385 (MD5) Previous issue date: 2013-03-15<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>The first classifications for the annelids were presented within a peculiar group of worms grouped within Class Vermes. The group was initially divided into Errant Annelides, Tubicolous or Sedentary Annelides, Terricolous Annelids, and Freshwater Annelids. These classifications did not reflect common ancestry. With the advent of ph

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31

Sjölin, Erica. "Tubificids with trifid chaetae : morphology and phylogeny of Heterodrilus (Clitellata, Annelida) /." Stockholm : Department of Zoology, Stockholm university, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-7182.

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32

Rowe, Grant A. "Interactive processes in a Lanice conchilega (Annelida: Polychaeta) dominated intertidal community." Thesis, University of Southampton, 1999. https://eprints.soton.ac.uk/42167/.

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An investigation was conducted into the factors influencing a soft-sediment intertidal benthic community dominated by the large tube building polychaete Lanice conchilega (Pallas, 1766). The environmental and biological characteristics of a mid-shore sampling site on a relatively sheltered sandflat were monitored over a two year period. A total of 115 taxa were recorded. Temporal variability in the community is discussed in relation to the sporadic occurrence of macroalgae, harsh winter conditions and physical disturbance to the sedimentary environment. Lanice conchilega had a significantly co

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33

Envall, Ida. "Evolutionary perspectives on Naidinae (Annelida, Clitellata, Naididae): molecular and morphological Revelations /." Stockholm : Department of Zoology, Stockholm University, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-27533.

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34

Penry, Deborah Lynn. "Digestion theory and applications to deposit feeders /." Thesis, Connect to this title online; UW restricted, 1988. http://hdl.handle.net/1773/10992.

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Kicklighter, Cynthia Ellen. "Antipredation strategies of marine worms : geographic, ecological, and taxonomic patterns." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/25206.

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Ramos, Lierge [UNESP]. "Estudos biofísicos da Hemoproteína extracelular de Amynthas gracilis (HbAg) na ausência e na presença de surfactantes." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/151572.

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Kuper, Michael. "Ultrastrukturuntersuchungen der Segmentalorgane, der Spermien und der Brutpflegestrukturen der Syllidae (Annelida: Polychaeta)." [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=964507099.

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Röhl, Ingo. "Isolierung und Identifizierung von Sexualpheromonen des marinen Polychaeten Platynereis dumerilii (Annelida, Polychaeta)." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=960378480.

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Locke, Jan Maureen. "Systematics and biology of Grania (Annelida: clitellata: Enchytraeidae) of the Bermuda Islands." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0003/MQ45419.pdf.

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Kaller, Tobias [Verfasser]. "Molekulare und ultrastrukturelle Charakterisierung von Photorezeptorzellen und Augen bei Annelida / Tobias Kaller." Berlin : Freie Universität Berlin, 2011. http://d-nb.info/1026357659/34.

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Cardia, Daniel Fontana Ferreira [UNESP]. "Helmintos de quirópteros da região Centro-Oeste do estado de São Paulo." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/103789.

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Made available in DSpace on 2014-06-11T19:32:51Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-12-07Bitstream added on 2014-06-13T20:24:14Z : No. of bitstreams: 1 cardia_dff_dr_jabo.pdf: 2910916 bytes, checksum: 3f70fd080a4c82de31b109a17ad81f6b (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O Brasil possui uma das maiores diversidades de quirópteros do planeta, entretanto apesar do grande número de espécies distribuídas por todo território nacional, pouco se sabe sobre alguns aspectos da biologia destes mamíferos. Pesquisas referentes à fauna parasitá

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Cardia, Daniel Fontana Ferreira. "Helmintos de quirópteros da região Centro-Oeste do estado de São Paulo /." Jaboticabal, 2012. http://hdl.handle.net/11449/103789.

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Orientador: Katia Denise Saraiva Bresciani<br>Coorientador: Adjair Antônio do Nascimento<br>Banca: Carlos Noriyuki Kaneto<br>Banca: Estevam Guilherme Lux Hoppe<br>Banca: Karin Werther<br>Banca: Jancarlo Ferreira Gomes<br>Resumo: O Brasil possui uma das maiores diversidades de quirópteros do planeta, entretanto apesar do grande número de espécies distribuídas por todo território nacional, pouco se sabe sobre alguns aspectos da biologia destes mamíferos. Pesquisas referentes à fauna parasitária destes animais, especialmente de seus helmintos, ainda são escassas no país. Diante disso, o presente

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Sjölin, Erica. "Tubificids with trifid chaetae: morphology and phylogeny of Heterodrilus (Clitellata, Annelida)." Doctoral thesis, Stockholms universitet, Zoologiska institutionen, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-7182.

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Heterodrilus is a marine group of small (3-25 mm) clitellates that occur interstitially in sandy sediments from the intertidal zone down to about 150 m depths. The taxon includes 42 valid species and has been recorded from localities in the Mediterranean Sea, the North-west Atlantic Ocean (including the Caribbean), the Galapagos Islands, and the Indo-Pacific Region. A majority of the species of Heterodrilus are characterized by having trifid anterior chaetae (i.e., chaetae with three teeth at the distal end). A few species have bifid chaetae, but these are regarded as having lost the third too

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Teodoro, Nálita Maria Scamparle. "Dados moleculares revelam que pharyngocirrus gabriellae (Saccocirridae: Annelida) é uma anfiatlântica e anfiamericana." reponame:Repositório Institucional da UFPR, 2016. http://hdl.handle.net/1884/46160.

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Orientador : Dr. Paulo Cunha Lana<br>Coorientador : Drª. Karin Hoch Fehlauer Ale<br>Coorientador : Dr. Maikon Di Domenico<br>Dissertação (mestrado) - Universidade Federal do Paraná, Setor de Ciências Biológicas, Programa de Pós-Graduação em Zoologia. Defesa: Curitiba, 21/03/2016<br>Inclui referências : f. 35-48<br>Resumo: O saccocirrídeo intersticial Pharyngocirrus gabriellae (Du Bois-Reymond Marcus, 1946), originalmente descrito para o sudeste do Brasil, tem sido reportado para águas rasas de todo o mundo. O padrão de distribuição reportado poderia estar mascarando um complexo de espécies crí

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Pocklington, Patricia. "Systematics and ecology of the Polychaeta (Annelida) of a seagrass bed in Bermuda." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ63241.pdf.

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Zakrzewski, Anne-Christin [Verfasser]. "Molecular characterization of chaetae formation in annelida and other lophotrochozoa / Anne-Christin Zakrzewski." Berlin : Freie Universität Berlin, 2011. http://d-nb.info/1026359600/34.

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Ackermann-Piek, Daniela [Verfasser], and Annelies G. [Akademischer Betreuer] Blom. "Interviewer effects in PIAAC Germany 2012 / Daniela Ackermann-Piek ; Betreuer: Annelies G. Blom." Mannheim : Universitätsbibliothek Mannheim, 2018. http://d-nb.info/1153338874/34.

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Ananias, Carlos Diego Neves. "Diversidade de Serpulidae (Annelida, Polychaeta) entre as regiões Sul e Nordeste do Brasil." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/41/41133/tde-11042017-151718/.

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Serpulidae Rafinesque, 1815 é uma das famílias de poliquetas mais facilmente reconhecíveis, por viverem em tubos calcários e possuírem o corpo dividido em três regiões bem definidas, coroa branquial, tórax e abdômen, geralmente com um opérculo, que fecha a abertura do tubo quando a coroa branquial é retraída, e uma membrana torácica, que é um prolongamento do colar, estendendo-se ao longo do tórax dorsalmente por número variável de setígeros. São muito abundantes no litoral brasileiro e importantes na comunidade incrustante, que reveste pedras, algas e demais estruturas que forneçam o substrat

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Fresneau, Chantal. "Étude comparative des émissions intermittentes de luminescence chez un Dinoflagellé et un Annelidé." Paris 11, 1986. http://www.theses.fr/1986PA112107.

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L’étude de la régulation de la bioluminescence sous forme d’éclairs a été entreprise sur des systèmes, l’un végétal: l’algue dinoflagellée Pyrocystis lunula, l’autre animal: l’annélide Acholoe astericola. Le système d’émission lumineuse est constitué chez Pyrocystis lunula, d’une enzyme: la luciférase, d’un substrat: la luciférine et d’oxygène probablement sous forme de radicaux superoxydes. C’est un système soluble, qui n’est pas lié à des structures membranaires particulières. La purification et la caractérisation de la luciférase et de la luciférine ont été réalisées. Nous avons mis en évid

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Gillet, Patrick. "Contribution à l'étude écologique des annelides polychètes de l'estuaire du Bou Regreg, Maroc." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb375979007.

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