111 lines
20 KiB
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111 lines
20 KiB
XML
<document id="206E95F26BB4262733BF5807E90F6D5B" ID-DOI="10.5281/zenodo.273458" ID-GBIF-Dataset="cc127856-8a66-42e8-b854-f0eaca6792d6" ID-ISSN="11755326" ID-Zenodo-Dep="273458" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459764636435" checkinUser="plazi" docAuthor="Sørensen, Martin Vinther" docDate="2006" docId="03A9F574FFBDB557FEFEFEE8FDACF961" docLanguage="en" docName="zt01241p049.pdf" docOrigin="Zootaxa 1241" docStyle="DocumentStyle:FA7E419B012A62B0FC3AC15A186C3DAF.3:Zootaxa.2001-2006.journal_article" docStyleId="FA7E419B012A62B0FC3AC15A186C3DAF" docStyleName="Zootaxa.2001-2006.journal_article" docStyleVersion="3" docTitle="Eothinia elongata Ehrenberg 1832" docType="treatment" docVersion="8" lastPageNumber="40" masterDocId="FF908D0CFFBEB554FFF6FF8EFFF1FFE0" masterDocTitle="On the rotifer fauna of Disko Island, Greenland, with notes on selected species from a stagnant freshwater lake" masterLastPageNumber="49" masterPageNumber="37" pageNumber="40" updateTime="1698216313499" updateUser="plazi">
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<mods:titleInfo id="245CC10869FAE1A13F4C98EC24B47661">
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<mods:title id="1B256D5EEE929121B2E05E620D9FE6CA">On the rotifer fauna of Disko Island, Greenland, with notes on selected species from a stagnant freshwater lake</mods:title>
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<mods:name id="39E8596D76B4D4CDF1BCA6000F0C1E07" type="personal">
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<mods:namePart id="AA6832789A847DFFA7859D289F6F90AF">Sørensen, Martin Vinther</mods:namePart>
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<mods:typeOfResource id="06920FADCEC9F32A3FDFC5827C8AA95D">text</mods:typeOfResource>
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<mods:title id="16DE7B47EBC600540BE8B922AFEAD7B6">Zootaxa</mods:title>
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<mods:part id="AEA2037DAAC871FFEB93A922A1065EFE">
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<mods:date id="35ED8E7B6558352CAA7A595DAD8AAA3C">2006</mods:date>
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<mods:detail id="A3F4A08EE200F1E7E944B2E43136A0C1" type="volume">
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<mods:number id="B1A7907C96CC45150BE882918F86E2B1">1241</mods:number>
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<mods:start id="0A89FEFF2B3B1207C6E5568A90A6DFC4">37</mods:start>
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<mods:identifier id="295621110FE8229B105F9118BDCF5E47" type="DOI">10.5281/zenodo.273458</mods:identifier>
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<mods:identifier id="84D1FFC287FCCDA10F5B974829CD53B6" type="ISSN">11755326</mods:identifier>
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<treatment id="03A9F574FFBDB557FEFEFEE8FDACF961" ID-DOI="http://doi.org/10.5281/zenodo.5680520" ID-GBIF-Taxon="119345643" ID-Zenodo-Dep="5680520" LSID="urn:lsid:plazi:treatment:03A9F574FFBDB557FEFEFEE8FDACF961" httpUri="http://treatment.plazi.org/id/03A9F574FFBDB557FEFEFEE8FDACF961" lastPageNumber="40" pageId="3" pageNumber="40">
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<subSubSection id="C31A17E9FFBDB557FEFEFEE8FD9FFD21" pageId="3" pageNumber="40" type="nomenclature">
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<paragraph id="8BBF4462FFBDB557FEFEFEE8FD3DFE60" blockId="3.[264,716,358,384]" box="[264,716,358,384]" pageId="3" pageNumber="40">
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<heading id="D0F7F30EFFBDB557FEFEFEE8FD3DFE60" bold="true" box="[264,716,358,384]" fontSize="11" level="1" pageId="3" pageNumber="40" reason="1">
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<taxonomicName id="4C003FE1FFBDB557FEFEFEE8FD3DFE60" ID-CoL="6FLNW" authority="Ehrenberg, 1832" authorityName="Ehrenberg" authorityYear="1832" box="[264,716,358,384]" class="Eurotatoria" family="Notommatidae" genus="Eothinia" kingdom="Animalia" order="Ploima" pageId="3" pageNumber="40" phylum="Rotifera" rank="species" species="elongata">
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<emphasis id="B9749870FFBDB557FEFEFEE8FD3DFE60" bold="true" box="[264,716,358,384]" pageId="3" pageNumber="40">
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<emphasis id="B9749870FFBDB557FEFEFEE8FE10FE60" bold="true" box="[264,481,358,384]" italics="true" pageId="3" pageNumber="40">Eothinia elongata</emphasis>
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(Ehrenberg, 1832)
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8BBF4462FFBDB557FEFEFE39FD9FFD21" blockId="3.[264,1325,439,1665]" pageId="3" pageNumber="40">
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Several fairly large specimens were found in the sample. All investigated specimens had trophi of bdelloid rotifers in their stomach. The species has not been recorded from
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<collectingCountry id="F31704F2FFBDB557FB2FFE51FECBFDC1" name="Greenland" pageId="3" pageNumber="40">Greenland</collectingCountry>
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previously, but has been found in Europe (
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<bibRefCitation id="EF913993FFBDB557FCDBFD89FC24FDC1" author="Glascott" box="[813,981,519,545]" pageId="3" pageNumber="46" refString="Glascott, L. S. (1893) A list of some of the Rotifera of Ireland. Scientific Proceedings of the Royal Dublin Society, 8, 29 - 86." type="journal article" year="1893">Glascott 1893</bibRefCitation>
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; Berzins 1949, 1978;
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<bibRefCitation id="EF913993FFBDB557FB27FD89FEB7FDA9" author="Wulfert" pageId="3" pageNumber="47" refString="Wulfert, K. (1960) Die Radertiere saurer Gewasser der Dubener Heide. II. Die Rotatorien des Krebsscherentumpels bei Winkelmuhle. Archiv fur Hydrobiologie, 56, 311 - 333." type="journal article" year="1960">Wulfert 1960</bibRefCitation>
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),
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<collectingCountry id="F31704F2FFBDB557FEAAFDA1FE5BFDA9" box="[348,426,559,585]" name="Russia" pageId="3" pageNumber="40">Russia</collectingCountry>
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and former Soviet Union (
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<bibRefCitation id="EF913993FFBDB557FD1FFDA1FC6FFDA9" author="Kutikova" box="[745,926,559,585]" lastPageId="3" lastPageNumber="47" pageId="3" pageNumber="46" refString="Kutikova, L. A. (1962) List of Rotatoria of the Luga district of the Leningrad region. Academy of Sciences of the USSR, Zoological Section, 31, 463 - 492." type="journal article" year="1962">Kutikova 1962</bibRefCitation>
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,
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<bibRefCitation id="EF913993FFBDB557FC5CFDA1FC18FDA9" author="Kutikova" box="[938,1001,559,585]" pageId="3" pageNumber="47" refString="Kutikova, L. A. (1970) The Rotifer Fauna of USSR. Nauka Publishers, Leningrad, 744 pp." type="book" year="1970">1970</bibRefCitation>
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), Asia (
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<bibRefCitation id="EF913993FFBDB557FBB5FDA1FEB7FD91" author="Fernando" pageId="3" pageNumber="46" refString="Fernando, C. H. & Zankai, N. P. (1981) The Rotifera of Malaysia and Singapore, with remarks on some species. Hydrobiologia, 78, 205 - 219." type="journal article" year="1981">Fernando & Zankai 1981</bibRefCitation>
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;
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<bibRefCitation id="EF913993FFBDB557FEA5FDD9FDBEFD91" author="Sharma" box="[339,591,599,625]" pageId="3" pageNumber="47" refString="Sharma, P. C. & Pant, M. C. (1985) Species composition of zooplankton in two Kumaun Himalayan Lakes (U. P.), India. Archiv fur Hydrobiologie, 102, 387 - 403." type="journal article" year="1985">Sharma & Pant 1985</bibRefCitation>
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),
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<collectingCountry id="F31704F2FFBDB557FD93FDD9FD20FD91" box="[613,721,599,625]" name="Australia" pageId="3" pageNumber="40">Australia</collectingCountry>
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(
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<bibRefCitation id="EF913993FFBDB557FD17FDD9FC23FD91" author="Koste" box="[737,978,599,625]" pageId="3" pageNumber="46" refString="Koste, W. & Shiel, R. J. (1980) New Rotifera from Australia. Transactions of the Royal Society of South Australia, 104, 133 - 144." type="journal article" year="1980">Koste & Shiel 1980</bibRefCitation>
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,
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<bibRefCitation id="EF913993FFBDB557FC29FDD9FBECFD91" author="Koste" box="[991,1053,599,625]" pageId="3" pageNumber="46" refString="Koste, W. & Shiel, R. J. (1991) Rotifera from Australian inland waters. VII Notommatidae (Rotifera: Monogononta). Transactions of the Royal Society of South Australia, 115, 111 - 159." type="journal article" year="1991">1991</bibRefCitation>
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), North
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<collectingCountry id="F31704F2FFBDB557FB76FDD9FB14FD91" box="[1152,1253,599,625]" name="United States of America" pageId="3" pageNumber="40">America</collectingCountry>
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(
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<bibRefCitation id="EF913993FFBDB557FB03FDD9FE1EFD79" author="Harring" pageId="3" pageNumber="46" refString="Harring, H. K. & Myers, F. J. (1922) The rotifer fauna of Wisconsin. Transactions of the Wisconsin Academy of Science, Arts and Letters, 20, 553 - 662." type="journal article" year="1922">Harring & Myers 1922</bibRefCitation>
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;
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<bibRefCitation id="EF913993FFBDB557FE0AFDF1FCC0FD79" author="Chengalath" box="[508,817,639,665]" pageId="3" pageNumber="46" refString="Chengalath, R. & Koste, W. (1989) Composition and distributional patterns in arctic rotifers. Hydrobiologia, 189 / 187, 191 - 200." type="journal article" year="1989">Chengalath & Koste 1989</bibRefCitation>
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) and
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<collectingCountry id="F31704F2FFBDB557FC82FDF1FC4AFD79" box="[884,955,639,665]" name="Brazil" pageId="3" pageNumber="40">Brazil</collectingCountry>
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(
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<bibRefCitation id="EF913993FFBDB557FC3AFDF1FB1BFD79" author="Segers" box="[972,1258,639,665]" pageId="3" pageNumber="47" refString="Segers, H. & Dumont, H. J. (1995) 102 + rotifer species (Rotifera: Monogononta) in Broa reservoir (SP., Brazil) on 26 August 1994, with the description of three new species. Hydrobiologia, 316, 183 - 197." type="journal article" year="1995">Segers & Dumont 1995</bibRefCitation>
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). It is considered a rare cosmopolite.
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</paragraph>
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</subSubSection>
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<subSubSection id="C31A17E9FFBDB557FECEFD41FDACF961" pageId="3" pageNumber="40" type="description">
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<paragraph id="8BBF4462FFBDB557FECEFD41FC08FCD9" blockId="3.[264,1325,439,1665]" pageId="3" pageNumber="40">The species is distinguished by its trophi morphology combined with the presence of one large salivary gland, and one cerebral and two frontal eyes. The recorded specimens were generally typical but deviated in some details in the trophi.</paragraph>
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<paragraph id="8BBF4462FFBDB557FECEFCC9FDACF961" blockId="3.[264,1325,439,1665]" pageId="3" pageNumber="40">
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Trophi from two specimens were prepared for SEM (
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<figureCitation id="133B58E7FFBDB557FC4EFCC9FBF3FC81" box="[952,1026,839,865]" captionStart="FIGURE 2" captionStartId="4.[264,368,1447,1471]" captionTargetBox="[270,1319,316,1416]" captionTargetId="figure@4.[265,1321,315,1421]" captionTargetPageId="4" captionText="FIGURE 2. Eothinia elongata. SEMphotos of trophi. A: lateral view. B: rami, ventral view. C: frontal view. D: ventrocaudal view. E: detail showing basal hinge on ventral side of rami. F: uncus. bf – basifenestra; ep – epipharynx; mm – aperture from medial manubrium chamber; op – oral plates; pm – aperture from posterior manubrium chamber; sf – subbasifenestra; ul – uncus lamellae; ut – principal uncus tooth." httpUri="https://zenodo.org/record/273460/files/figure.png" pageId="3" pageNumber="40">Fig. 2</figureCitation>
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). The rami are large and slightly asymmetrical, with long, pointed alulae (
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<figureCitation id="133B58E7FFBDB557FCBEFCE1FC7FFC69" box="[840,910,879,905]" captionStart="FIGURE 2" captionStartId="4.[264,368,1447,1471]" captionTargetBox="[270,1319,316,1416]" captionTargetId="figure@4.[265,1321,315,1421]" captionTargetPageId="4" captionText="FIGURE 2. Eothinia elongata. SEMphotos of trophi. A: lateral view. B: rami, ventral view. C: frontal view. D: ventrocaudal view. E: detail showing basal hinge on ventral side of rami. F: uncus. bf – basifenestra; ep – epipharynx; mm – aperture from medial manubrium chamber; op – oral plates; pm – aperture from posterior manubrium chamber; sf – subbasifenestra; ul – uncus lamellae; ut – principal uncus tooth." httpUri="https://zenodo.org/record/273460/files/figure.png" pageId="3" pageNumber="40">Fig. 2</figureCitation>
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A–D). Most posteriorly on the ventral side, two extensions from each ramus form a small hinge (
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<figureCitation id="133B58E7FFBDB557FC1FFC19FBC0FC51" box="[1001,1073,919,945]" captionStart="FIGURE 2" captionStartId="4.[264,368,1447,1471]" captionTargetBox="[270,1319,316,1416]" captionTargetId="figure@4.[265,1321,315,1421]" captionTargetPageId="4" captionText="FIGURE 2. Eothinia elongata. SEMphotos of trophi. A: lateral view. B: rami, ventral view. C: frontal view. D: ventrocaudal view. E: detail showing basal hinge on ventral side of rami. F: uncus. bf – basifenestra; ep – epipharynx; mm – aperture from medial manubrium chamber; op – oral plates; pm – aperture from posterior manubrium chamber; sf – subbasifenestra; ul – uncus lamellae; ut – principal uncus tooth." httpUri="https://zenodo.org/record/273460/files/figure.png" pageId="3" pageNumber="40">Fig. 2</figureCitation>
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E). Basifenestrae and subbasifenestrae are present. The apical rami parts bend dorsally and have a dense row of fine teeth (
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<figureCitation id="133B58E7FFBDB557FE70FC69FE3CFBE1" box="[390,461,999,1025]" captionStart="FIGURE 2" captionStartId="4.[264,368,1447,1471]" captionTargetBox="[270,1319,316,1416]" captionTargetId="figure@4.[265,1321,315,1421]" captionTargetPageId="4" captionText="FIGURE 2. Eothinia elongata. SEMphotos of trophi. A: lateral view. B: rami, ventral view. C: frontal view. D: ventrocaudal view. E: detail showing basal hinge on ventral side of rami. F: uncus. bf – basifenestra; ep – epipharynx; mm – aperture from medial manubrium chamber; op – oral plates; pm – aperture from posterior manubrium chamber; sf – subbasifenestra; ul – uncus lamellae; ut – principal uncus tooth." httpUri="https://zenodo.org/record/273460/files/figure.png" pageId="3" pageNumber="40">Fig. 2</figureCitation>
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C). Each ramus has approximately 20 teeth. A pair of small, twisted, fanshaped oral plates is attached on the ventral side of rami (
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<figureCitation id="133B58E7FFBDB557FC44FB81FC08FBC9" box="[946,1017,1039,1065]" captionStart="FIGURE 2" captionStartId="4.[264,368,1447,1471]" captionTargetBox="[270,1319,316,1416]" captionTargetId="figure@4.[265,1321,315,1421]" captionTargetPageId="4" captionText="FIGURE 2. Eothinia elongata. SEMphotos of trophi. A: lateral view. B: rami, ventral view. C: frontal view. D: ventrocaudal view. E: detail showing basal hinge on ventral side of rami. F: uncus. bf – basifenestra; ep – epipharynx; mm – aperture from medial manubrium chamber; op – oral plates; pm – aperture from posterior manubrium chamber; sf – subbasifenestra; ul – uncus lamellae; ut – principal uncus tooth." httpUri="https://zenodo.org/record/273460/files/figure.png" pageId="3" pageNumber="40">Fig. 2</figureCitation>
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B). The fulcrum is clearly divided into a dorsal and a ventral part (
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<figureCitation id="133B58E7FFBDB557FD28FBB9FCD5FBB1" box="[734,804,1079,1105]" captionStart="FIGURE 2" captionStartId="4.[264,368,1447,1471]" captionTargetBox="[270,1319,316,1416]" captionTargetId="figure@4.[265,1321,315,1421]" captionTargetPageId="4" captionText="FIGURE 2. Eothinia elongata. SEMphotos of trophi. A: lateral view. B: rami, ventral view. C: frontal view. D: ventrocaudal view. E: detail showing basal hinge on ventral side of rami. F: uncus. bf – basifenestra; ep – epipharynx; mm – aperture from medial manubrium chamber; op – oral plates; pm – aperture from posterior manubrium chamber; sf – subbasifenestra; ul – uncus lamellae; ut – principal uncus tooth." httpUri="https://zenodo.org/record/273460/files/figure.png" pageId="3" pageNumber="40">Fig. 2</figureCitation>
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A, C–D). The dorsal part is broadened laterally and composed of relatively thick sclerofibrillae that are arranged both sidebyside and on top of each other. The ventral fulcrum part is much narrower laterally, composed of one horizontal row of thick sclerofibrillae. Each uncus has one tooth with a basal lamella (
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<figureCitation id="133B58E7FFBDB557FEE7FB59FEA9FB11" box="[273,344,1239,1265]" captionStart="FIGURE 2" captionStartId="4.[264,368,1447,1471]" captionTargetBox="[270,1319,316,1416]" captionTargetId="figure@4.[265,1321,315,1421]" captionTargetPageId="4" captionText="FIGURE 2. Eothinia elongata. SEMphotos of trophi. A: lateral view. B: rami, ventral view. C: frontal view. D: ventrocaudal view. E: detail showing basal hinge on ventral side of rami. F: uncus. bf – basifenestra; ep – epipharynx; mm – aperture from medial manubrium chamber; op – oral plates; pm – aperture from posterior manubrium chamber; sf – subbasifenestra; ul – uncus lamellae; ut – principal uncus tooth." httpUri="https://zenodo.org/record/273460/files/figure.png" pageId="3" pageNumber="40">Fig. 2</figureCitation>
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F). Each manubrium is composed of a long distal cauda and a small proximal head. The head is formed by the walls of the medial and posterior manubrium chambers. Apertures from both chambers are located 1/3 from the proximal end of the manubrium (
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<figureCitation id="133B58E7FFBDB557FB0DFAA9FEE6FA89" captionStart="FIGURE 2" captionStartId="4.[264,368,1447,1471]" captionTargetBox="[270,1319,316,1416]" captionTargetId="figure@4.[265,1321,315,1421]" captionTargetPageId="4" captionText="FIGURE 2. Eothinia elongata. SEMphotos of trophi. A: lateral view. B: rami, ventral view. C: frontal view. D: ventrocaudal view. E: detail showing basal hinge on ventral side of rami. F: uncus. bf – basifenestra; ep – epipharynx; mm – aperture from medial manubrium chamber; op – oral plates; pm – aperture from posterior manubrium chamber; sf – subbasifenestra; ul – uncus lamellae; ut – principal uncus tooth." httpUri="https://zenodo.org/record/273460/files/figure.png" pageId="3" pageNumber="40">Fig. 2</figureCitation>
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A, D). A paired epipharynx composed of two large, fanshaped plates is present (
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<figureCitation id="133B58E7FFBDB557FB0AFAC1FEE9FA71" captionStart="FIGURE 2" captionStartId="4.[264,368,1447,1471]" captionTargetBox="[270,1319,316,1416]" captionTargetId="figure@4.[265,1321,315,1421]" captionTargetPageId="4" captionText="FIGURE 2. Eothinia elongata. SEMphotos of trophi. A: lateral view. B: rami, ventral view. C: frontal view. D: ventrocaudal view. E: detail showing basal hinge on ventral side of rami. F: uncus. bf – basifenestra; ep – epipharynx; mm – aperture from medial manubrium chamber; op – oral plates; pm – aperture from posterior manubrium chamber; sf – subbasifenestra; ul – uncus lamellae; ut – principal uncus tooth." httpUri="https://zenodo.org/record/273460/files/figure.png" pageId="3" pageNumber="40">Fig. 2</figureCitation>
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A). Both
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<bibRefCitation id="EF913993FFBDB557FE71FAF9FD4EFA71" author="Harring" box="[391,703,1399,1425]" pageId="3" pageNumber="46" refString="Harring, H. K. & Myers, F. J. (1922) The rotifer fauna of Wisconsin. Transactions of the Wisconsin Academy of Science, Arts and Letters, 20, 553 - 662." type="journal article" year="1922">Harring and Myers (1922)</bibRefCitation>
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and
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<bibRefCitation id="EF913993FFBDB557FD0DFAF9FC5DFA71" author="Wulfert" box="[763,940,1399,1425]" pageId="3" pageNumber="47" refString="Wulfert, K. (1960) Die Radertiere saurer Gewasser der Dubener Heide. II. Die Rotatorien des Krebsscherentumpels bei Winkelmuhle. Archiv fur Hydrobiologie, 56, 311 - 333." type="journal article" year="1960">Wulfert (1960)</bibRefCitation>
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illustrate the epipharyngeal elements as rodshaped sclerites with expanded distal terminals. However, their descriptions are probably based on a misinterpretation. Most of the epipharyngeal fans are extremely delicate and feebly visible with LM whereas the central parts are more robust. This may cause the sclerites to appear more rodshaped in LM. Measurements: Body: 504 µm; toes 37 µm; trophi 64 µm; rami 38 µm; fulcrum 37 µm; manubria 47 µm; unci 17 µm; epipharynx 15 µm; oral plates 6 µm.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |