131 lines
14 KiB
XML
131 lines
14 KiB
XML
<document id="4DF6B7FC84EBB10EC2E8583B56DF1588" ID-DOI="10.11646/zootaxa.3701.5.3" ID-GBIF-Dataset="b35b6d6e-93ed-4f25-95d6-79023d8ba105" ID-ISSN="1175-5326" ID-Zenodo-Dep="247111" ID-ZooBank="472882BF-6499-47D3-A242-A8D218BE2DFD" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460669155234" checkinUser="plazi" docAuthor="Kånneby, Tobias" docDate="2013" docId="C1146C7C4C2DFF9202CDC21C1F6DFDF3" docLanguage="en" docName="zt03701p588.pdf" docOrigin="Zootaxa 3701 (5)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Chaetonotus (Hystricochaetonotus) euhystrix Schwank 1990" docType="treatment" docVersion="9" lastPageNumber="570" masterDocId="3D2D14044C3FFF81025AC0381C7BFF93" masterDocTitle="New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden" masterLastPageNumber="588" masterPageNumber="551" pageNumber="569" updateTime="1698348028325" updateUser="plazi">
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<mods:title id="F9CB974E6F4527E172A7899276D6A543">New species and records of freshwater Chaetonotus (Gastrotricha: Chaetonotidae) from Sweden</mods:title>
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<mods:namePart id="E8C0EF1E8B46334BEE23CC1C35608F4B">Kånneby, Tobias</mods:namePart>
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<mods:title id="1CC39E191957D2696CE9BF4B7E121E42">Zootaxa</mods:title>
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<mods:part id="0930AB209F62CF7103E0F89A6699627A">
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<mods:date id="6A1281874E391F9DBF43602EE13A606A">2013</mods:date>
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<mods:number id="E2FBA513BBFBFAC0241A45159B25DC39">3701</mods:number>
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<mods:number id="72360C33A27A39819BC03760216D74DA">5</mods:number>
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<mods:identifier id="5ED835300A42718AAE37A563C8311E8B" type="DOI">10.11646/zootaxa.3701.5.3</mods:identifier>
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<treatment id="C1146C7C4C2DFF9202CDC21C1F6DFDF3" ID-DOI="http://doi.org/10.5281/zenodo.5632023" ID-GBIF-Taxon="119579288" ID-Zenodo-Dep="5632023" LSID="urn:lsid:plazi:treatment:C1146C7C4C2DFF9202CDC21C1F6DFDF3" httpUri="http://treatment.plazi.org/id/C1146C7C4C2DFF9202CDC21C1F6DFDF3" lastPageId="19" lastPageNumber="570" pageId="18" pageNumber="569">
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<subSubSection id="01A78EE14C2DFF9302CDC21C1FBAFD58" pageId="18" pageNumber="569" type="nomenclature">
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<paragraph id="4902DD6A4C2DFF9302CDC21C1F05FDAD" blockId="18.[151,894,548,607]" box="[151,894,548,574]" pageId="18" pageNumber="569">
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<heading id="124A6A064C2DFF9302CDC21C1F05FDAD" bold="true" box="[151,894,548,574]" fontSize="11" level="1" pageId="18" pageNumber="569" reason="1">
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<taxonomicName id="8EBDA6E94C2DFF9302CDC21C1F05FDAD" ID-CoL="5XPDY" authority="Schwank, 1990" authorityName="Schwank" authorityYear="1990" box="[151,894,548,574]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="18" pageNumber="569" phylum="Gastrotricha" rank="species" species="euhystrix" subGenus="Hystricochaetonotus">
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<emphasis id="7BC901784C2DFF9302CDC21C1F05FDAD" bold="true" box="[151,894,548,574]" pageId="18" pageNumber="569">
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<emphasis id="7BC901784C2DFF9302CDC21C1EC0FDAD" bold="true" box="[151,699,548,574]" italics="true" pageId="18" pageNumber="569">Chaetonotus (Hystricochaetonotus) euhystrix</emphasis>
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Schwank, 1990
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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="4902DD6A4C2DFF9302CDC27E1C83FDCC" blockId="18.[151,894,548,607]" box="[151,248,582,607]" pageId="18" pageNumber="569">
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(
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<figureCitation id="D186C1EF4C2DFF9302C5C27E1C8AFDCC" box="[159,241,582,607]" captionStart="FIGURE 12" captionStartId="18.[151,250,1884,1906]" captionTargetBox="[306,1281,1164,1863]" captionTargetId="figure@18.[306,1281,1164,1864]" captionTargetPageId="18" captionText="FIGURE 12. Chaetonotus (H.) euhystrix. A) Habitus. B) Dorsal view of anterior body showing distribution and shape of scales and spines. C) Dorsal view of posterior body showing shape of scales and spines. Note the double-keeled scale (arrow) surrounded by three elongated three-lobed scales present in the Swedish specimen. Scale bars: A, 50 µm; B and C, 10 µm." httpUri="https://zenodo.org/record/247124/files/figure.png" pageId="18" pageNumber="569">Fig. 12</figureCitation>
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)
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</paragraph>
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<paragraph id="4902DD6A4C2DFF9302CDC2B61FBAFD58" blockId="18.[151,1436,654,1111]" pageId="18" pageNumber="569">
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<emphasis id="7BC901784C2DFF9302CDC2B61D68FD34" bold="true" box="[151,275,654,679]" pageId="18" pageNumber="569">Localities:</emphasis>
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Storlien W, Jämtland (
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<geoCoordinate id="2C89BBAD4C2DFF930040C2B71EB9FD34" box="[538,706,654,679]" direction="north" orientation="latitude" pageId="18" pageNumber="569" precision="15" value="63.318333">N 63º 19’ 06’’</geoCoordinate>
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;
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<geoCoordinate id="2C89BBAD4C2DFF93008AC2B71F08FD34" box="[720,883,654,679]" direction="east" orientation="longitude" pageId="18" pageNumber="569" precision="15" value="12.089444">E 12º 05’ 22’’</geoCoordinate>
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),
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<date id="3D03FBAA4C2DFF9301D0C2B61853FD34" box="[906,1064,654,679]" pageId="18" pageNumber="569" value="2008-07-10">July 10, 2008</date>
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; Wet meadow, Abisko Scientific Research Station, Lapland (
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<geoCoordinate id="2C89BBAD4C2DFF930396C28B1E14FD58" box="[460,623,690,715]" direction="north" orientation="latitude" pageId="18" pageNumber="569" precision="15" value="68.354996">N 68º 21’ 18’’</geoCoordinate>
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;
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<geoCoordinate id="2C89BBAD4C2DFF930026C28B1F61FD58" box="[636,794,691,715]" direction="east" orientation="longitude" pageId="18" pageNumber="569" precision="15" value="18.81111">E 18º 48’ 40’’</geoCoordinate>
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),
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<date id="3D03FBAA4C2DFF93016AC28A1FC5FD58" box="[816,958,690,715]" pageId="18" pageNumber="569" value="2010-07-04">July 4, 2010</date>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="01A78EE14C2DFF92029DC2EE1F6DFDF3" lastPageId="19" lastPageNumber="570" pageId="18" pageNumber="569" type="materials_examined">
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<paragraph id="4902DD6A4C2DFF93029DC2EE1DAAFD7C" blockId="18.[151,1436,654,1111]" box="[199,465,726,751]" pageId="18" pageNumber="569">
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<emphasis id="7BC901784C2DFF93029DC2EE1D42FD7C" bold="true" box="[199,313,726,751]" pageId="18" pageNumber="569">Material:</emphasis>
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<specimenCount id="5FBB16E34C2DFF930365C2EF1DB6FD7C" box="[319,461,726,751]" pageId="18" pageNumber="569" type="generic">2 specimens</specimenCount>
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.
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</paragraph>
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<paragraph id="4902DD6A4C2DFF93029DC2C31DF6FCC8" blockId="18.[151,1436,654,1111]" pageId="18" pageNumber="569">
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TL, 182 µm; FL, 29 µm; AL, 17 µm; PhL, 52 µm; MD, 8 µm; CW, ~10 µm; TNC, 13; DC, 7; DR, 15–17; VLC, 6; HS, 4–
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<date id="3D03FBAA4C2DFF93031DC3261D2FFCA4" box="[327,340,798,823]" pageId="18" pageNumber="569">6</date>
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x 3–8 µm; NS,
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<date id="3D03FBAA4C2DFF93005FC3271E31FCA4" box="[517,586,799,823]" pageId="18" pageNumber="569" value="2010-10-08">8 x 10</date>
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µm; DS,
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<date id="3D03FBAA4C2DFF9300ECC3271F72FCA4" box="[694,777,799,823]" pageId="18" pageNumber="569" value="2012-10-12">12 x 12</date>
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µm; HSp, 6–12 µm; NSp, 20 µm; DSp, 45–60 µm; VC, 7– 8; VTS,
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<date id="3D03FBAA4C2DFF9302ACC37B1D38FCC9" box="[246,323,835,859]" pageId="18" pageNumber="569" value="2010-10-09">9–10 x</date>
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4 µm.
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</paragraph>
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<paragraph id="4902DD6A4C2DFF93029DC35F1F3FFBC4" blockId="18.[151,1436,654,1111]" pageId="18" pageNumber="569">
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A large
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<taxonomicName id="8EBDA6E94C2DFF930371C35E1E68FCED" box="[299,531,870,894]" family="Chaetonotidae" genus="Hystricochaetonotus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Chaetonotida" pageId="18" pageNumber="569" phylum="Gastrotricha" rank="genus">
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<emphasis id="7BC901784C2DFF930371C35E1E68FCED" box="[299,531,870,894]" italics="true" pageId="18" pageNumber="569">Hystricochaetonotus</emphasis>
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</taxonomicName>
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. Head rounded to weakly five-lobed. Two pairs of sensory ciliary tufts, the posterior pair with very long cilia, up to 30 µm in length. Cephalion relatively small. Hypostomium absent. At least posterior dorsal sensory bristles present, emerging from specialized sub-triangular double-keeled scales. Furca straight with adhesive tubes constituting approximately 3/5 of the total furca length. Dorsal surface covered by three-lobed scales with barbed spines. Spines increase drastically in length from anterior to posterior. At least one pair of dorsal spines clearly overshoots the furca and another pair reaches the tip of the furcal branches. Accessory points originate approximately 2/3 up the length of the spine.
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</paragraph>
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<caption id="1DC28DE24C2DFF9302CDC7641914F823" httpUri="https://zenodo.org/record/247124/files/figure.png" pageId="18" pageNumber="569" targetBox="[306,1281,1164,1863]" targetPageId="18">
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<paragraph id="4902DD6A4C2DFF9302CDC7641914F823" blockId="18.[151,1435,1884,1968]" pageId="18" pageNumber="569">
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<emphasis id="7BC901784C2DFF9302CDC7641D64F8E1" bold="true" box="[151,287,1884,1906]" pageId="18" pageNumber="569">FIGURE 12.</emphasis>
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<emphasis id="7BC901784C2DFF93037EC7641E4DF8E1" box="[292,566,1884,1906]" italics="true" pageId="18" pageNumber="569">
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<taxonomicName id="8EBDA6E94C2DFF93037EC7641DDFF8E1" box="[292,420,1884,1906]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="18" pageNumber="569" phylum="Gastrotricha" rank="genus">Chaetonotus</taxonomicName>
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(H.)
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<taxonomicName id="8EBDA6E94C2DFF930383C7641E4DF8E1" box="[473,566,1884,1906]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="18" pageNumber="569" phylum="Gastrotricha" rank="species" species="euhystrix">euhystrix</taxonomicName>
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</emphasis>
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. A) Habitus. B) Dorsal view of anterior body showing distribution and shape of scales and spines. C) Dorsal view of posterior body showing shape of scales and spines. Note the double-keeled scale (arrow) surrounded by three elongated three-lobed scales present in the Swedish specimen. Scale bars: A, 50 µm; B and C, 10 µm.
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</paragraph>
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</caption>
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<paragraph id="4902DD6A4C2CFF92029DC0AF1E94FF6B" blockId="19.[151,1437,151,608]" pageId="19" pageNumber="570">Ventrolateral scales similar in shape to the dorsal scales but smaller in size. Ventrolateral spines finer than the dorsal spines. Interciliary area covered by keeled to smooth rounded scales. A pair of ventral terminal keeled scales, apparently without spines in the posterior end.</paragraph>
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<paragraph id="4902DD6A4C2CFF92029DC13C1899FE8F" blockId="19.[151,1437,151,608]" box="[199,1250,260,285]" pageId="19" pageNumber="570">Mouth terminal. Pharynx widens towards the PhIJ at U30. Intestine straight with anus at U81.</paragraph>
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<paragraph id="4902DD6A4C2CFF92029DC11F1EBDFDAE" blockId="19.[151,1437,151,608]" pageId="19" pageNumber="570">
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The Swedish material consisted of one adult specimen in parthenogenetic phase and one juvenile specimen. The Swedish specimen disagrees with the original description by Schwank (1990) in that they have two rounded double-keeled scales on the base of each furcal branch. These scales are in turn surrounded by three pairs of elongated three-lobed scales much like in
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<emphasis id="7BC901784C2CFF92002DC1AC1F67FE3F" box="[631,796,404,428]" italics="true" pageId="19" pageNumber="570">
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C. (H.)
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<taxonomicName id="8EBDA6E94C2CFF92008AC1AC1F67FE3F" box="[720,796,404,428]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="19" pageNumber="570" phylum="Gastrotricha" rank="species" species="hystrix">hystrix</taxonomicName>
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</emphasis>
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. Moreover, in the posterior trunk region a pair of threelobed keeled scales without spines present just anterior to the double-keeled scales anchoring the posterior sensory bristles. The Swedish adult specimen is larger than the
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<collectingCountry id="31AA9DFA4C2CFF92015FC1E41F24FE67" box="[773,863,476,500]" name="Germany" pageId="19" pageNumber="570">German</collectingCountry>
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specimens. According to Schwank (1990),
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<emphasis id="7BC901784C2CFF920717C1E41C85FD8B" italics="true" pageId="19" pageNumber="570">
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C. (H.)
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<taxonomicName id="8EBDA6E94C2CFF9202CDC2381C85FD8B" box="[151,254,512,536]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="19" pageNumber="570" phylum="Gastrotricha" rank="species" species="euhystrix">euhystrix</taxonomicName>
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</emphasis>
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is a variable species, so, notwithstanding the foregoing deviations from Schwank’s description, these specimens are tentatively assigned to that species.
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</paragraph>
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<paragraph id="4902DD6A4C2CFF92029DC27F1F6DFDF3" blockId="19.[151,1437,151,608]" box="[199,790,583,608]" pageId="19" pageNumber="570">
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Previously reported from
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<collectingCountry id="31AA9DFA4C2CFF9203BDC2701E34FDF3" box="[487,591,584,608]" name="Germany" pageId="19" pageNumber="570">Germany</collectingCountry>
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(Schwank 1990).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |