143 lines
17 KiB
XML
143 lines
17 KiB
XML
<document id="52B493AFAD03C66D9E665EDF61E27498" ID-CLB-Dataset="30743" ID-DOI="10.11646/zootaxa.4379.3.2" ID-GBIF-Dataset="53bc58e1-f1e6-4bd7-8480-eb5b9ef12da0" ID-ISSN="1175-5326" ID-Zenodo-Dep="1174394" ID-ZooBank="EEF541E1-F91C-411E-9B65-2C79ED2A2706" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1518814523546" checkinUser="plazi" docAuthor="Korovchinsky, Nikolai M." docDate="2018" docId="60573E65D15BFFAE6EC26476D1EF02F4" docLanguage="en" docName="zootaxa.4379.3.2.pdf.imf" docOrigin="Zootaxa 4379 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Bythotrephes Cederstromii Schodler 1877" docType="key" docVersion="7" lastPageNumber="380" masterDocId="9C6E461DD17BFF8F6E55630AD473015C" masterDocTitle="Further revision of the genus Bythotrephes Leydig (Crustacea: Cladocera: Onychopoda): redescription of B. brevimanus Lilljeborg, reevaluation of B. cederströmii Schödler, and description of a new species of the genus" masterLastPageNumber="387" masterPageNumber="347" pageNumber="379" updateTime="1698521469985" updateUser="ExternalLinkService">
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<mods:title id="F4F228A51809C2BDD305424F27E6A352">Further revision of the genus Bythotrephes Leydig (Crustacea: Cladocera: Onychopoda): redescription of B. brevimanus Lilljeborg, reevaluation of B. cederströmii Schödler, and description of a new species of the genus</mods:title>
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<mods:namePart id="37BBEC1561F4F5F92D33B5D08EB02013">Korovchinsky, Nikolai M.</mods:namePart>
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<mods:title id="982EBA63E1B41011B2545F92F4CEA709">Zootaxa</mods:title>
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<mods:part id="4C79B238C4623EAE31368FF473BFB47C">
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<mods:date id="71FC629E5189745406DA1F196F55540B">2018</mods:date>
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<mods:number id="D033FE36235EF15F279585B237AEFC74">2018-02-15</mods:number>
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<mods:number id="3B5A38A233548361CC56460BEE3589F5">4379</mods:number>
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<mods:identifier id="828553BD71A4BF0C9D1CF28BC46460EE" type="DOI">10.11646/zootaxa.4379.3.2</mods:identifier>
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<treatment id="60573E65D15BFFAE6EC26476D1EF02F4" ID-DOI="http://doi.org/10.5281/zenodo.5962982" ID-GBIF-Taxon="141116925" ID-Zenodo-Dep="5962982" LSID="urn:lsid:plazi:treatment:60573E65D15BFFAE6EC26476D1EF02F4" httpUri="http://treatment.plazi.org/id/60573E65D15BFFAE6EC26476D1EF02F4" lastPageId="33" lastPageNumber="380" pageId="32" pageNumber="379">
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<subSubSection id="A0E4DCF8D15BFFAF6EC26476D73706CA" box="[151,836,1916,1942]" pageId="32" pageNumber="379" type="nomenclature">
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<paragraph id="E8418F73D15BFFAF6EC26476D73706CA" blockId="32.[151,836,1916,1942]" box="[151,836,1916,1942]" pageId="32" pageNumber="379">
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<heading id="B309381FD15BFFAF6EC26476D73706CA" bold="true" box="[151,836,1916,1942]" fontSize="11" level="1" pageId="32" pageNumber="379" reason="1">
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<emphasis id="DA8A5361D15BFFAF6EC26476D73706CA" bold="true" box="[151,836,1916,1942]" pageId="32" pageNumber="379">
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Key for species identification of the genus
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<taxonomicName id="2FFEF4F0D15BFFAF6CF06476D73706CA" ID-CoL="62JQB" ID-ENA="77747" authorityName="Cederstromii Schodler" authorityYear="1877" box="[677,836,1916,1942]" class="Branchiopoda" family="Cercopagidae" genus="Bythotrephes" kingdom="Animalia" order="Diplostraca" pageId="32" pageNumber="379" phylum="Arthropoda" rank="genus">
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<emphasis id="DA8A5361D15BFFAF6CF06476D73706CA" bold="true" box="[677,836,1916,1942]" italics="true" pageId="32" pageNumber="379">Bythotrephes</emphasis>
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</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="A0E4DCF8D15BFFAE6EC264C8D1EF02F4" lastPageId="33" lastPageNumber="380" pageId="32" pageNumber="379" type="key">
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<keyStep id="530A97D6D15BFFAE6EC264C8D1E80058" lastPageId="33" lastPageNumber="380" pageId="32" pageNumber="379">
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<paragraph id="E8418F73D15BFFAF6EC264C8D1EF06A8" blockId="32.[151,1436,1986,2036]" pageId="32" pageNumber="379">
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<keyLead id="530F2C46D15BFFAF6EC264C8D1EF06A8" pageId="32" pageNumber="379">1 Claws of postabdomen and caudal process are normally long and massive (rarely comparatively small) with apical end curved forward. Caudal process long and usually possesses a prominent denticulated bend (sometimes it may be either weekly devel-</keyLead>
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</paragraph>
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<paragraph id="E8418F73D15AFFAE6EB4639DD1E80058" blockId="33.[151,1436,151,936]" pageId="33" pageNumber="380">
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oped or absent, in latter case its place is marked only with few or solitary enlarged denticles, in single specimens the bend may be absent at all)...............................................................
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<taxonomicName id="2FFEF4F0D15AFFAE6A2563BFD1EF0196" authority="Schodler, 1877" authorityName="Schodler, Karesuando" authorityYear="1877" box="[1136,1436,180,202]" class="Branchiopoda" family="Cercopagidae" genus="Bythotrephes" kingdom="Animalia" order="Diplostraca" pageId="33" pageNumber="380" phylum="Arthropoda" rank="species" species="cederstromii">
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<emphasis id="DA8A5361D15AFFAE6A2563BFD1760196" box="[1136,1285,180,202]" italics="true" pageId="33" pageNumber="380">B. cederströmii</emphasis>
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<bibRefCitation id="8C6FF282D15AFFAE6B5963BFD1EF0196" author="Schodler" box="[1292,1436,181,202]" pageId="33" pageNumber="380" refId="ref26401" refString="Schodler, J. E. (1877) Zur Naturgeschichte der Daphniden. Jahresbericht uber die Dorotheenstadtische Realschule Berlin, 1877, 1 - 24." type="journal article" year="1877">Schödler, 1877</bibRefCitation>
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</taxonomicName>
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<keyLead id="530F2C46D15AFFAE6EC263D8D1E80058" pageId="33" pageNumber="380">- Claws of postabdomen and caudal process are not long and massive with apical end not curved forward. Caudal process always straight without a denticulated bend................................................................. 2</keyLead>
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</paragraph>
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</keyStep>
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<keyStep id="530A97D6D15AFFAE6EC26207D1E800E8" pageId="33" pageNumber="380">
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<paragraph id="E8418F73D15AFFAE6EC26207D1EF0026" blockId="33.[151,1436,151,936]" pageId="33" pageNumber="380">
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<keyLead id="530F2C46D15AFFAE6EC26207D1EF0026" pageId="33" pageNumber="380">
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2 Adult specimens have only two pairs of straight claws situated closely on postabdomen and basal part of caudal process. Thoracic limbs of first pair (tl I) and their distal segment are very long (80–132 % of body length and 80–122 % of length of proximal segment of endopodite of tl I, respectively). The apical setae of second segment of endopodite of tl I are reduced or may be absent at all..................................................................
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<taxonomicName id="2FFEF4F0D15AFFAE6ADE626FD1EF0026" ID-CoL="P3NM" authority="Leydig, 1860" authorityName="Leydig" authorityYear="1860" box="[1163,1436,356,378]" class="Branchiopoda" family="Cercopagidae" genus="Bythotrephes" kingdom="Animalia" order="Diplostraca" pageId="33" pageNumber="380" phylum="Arthropoda" rank="species" species="longimanus">
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<emphasis id="DA8A5361D15AFFAE6ADE626FD1650026" box="[1163,1302,356,378]" italics="true" pageId="33" pageNumber="380">B. longimanus</emphasis>
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Leydig, 1860
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</taxonomicName>
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</keyLead>
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</paragraph>
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<paragraph id="E8418F73D15AFFAE6EC26288D1E800E8" blockId="33.[151,1436,151,936]" pageId="33" pageNumber="380">
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<keyLead id="530F2C46D15AFFAE6EC26288D1E800E8" pageId="33" pageNumber="380">- Adult specimens have two or three pairs of claws. Thoracic limbs of first pair (tl I) and their distal segment are not very long, sometimes comparatively short. The apical setae of second segment of endopodite of tl I normally are well developed..... 3.</keyLead>
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</paragraph>
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</keyStep>
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<keyStep id="530A97D6D15AFFAE6EC262B7D1E803DE" pageId="33" pageNumber="380">
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<paragraph id="E8418F73D15AFFAE6EC262B7D1E80350" blockId="33.[151,1436,151,936]" pageId="33" pageNumber="380">
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<keyLead id="530F2C46D15AFFAE6EC262B7D1E80350" pageId="33" pageNumber="380">
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3 The body length of adult specimens is large (
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), the first segment of endopodite of tl I bears 6–10 anterior lateral setae. Caudal process comparatively short (80–216 % of body length) and thick at its base. Claws of postabdomen and caudal process are long and stout, inserted rather closely and normally curved backwards..................................4.
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</keyLead>
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</paragraph>
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<paragraph id="E8418F73D15AFFAE6EC2611FD1E803DE" blockId="33.[151,1436,151,936]" pageId="33" pageNumber="380">
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<keyLead id="530F2C46D15AFFAE6EC2611FD1E803DE" pageId="33" pageNumber="380">
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- The body length of adult specimens is comparatively small (
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). The first segment of endopodite of tl I bears 4–6 anterior lateral setae. Caudal process comparatively long (120–306 % of body length) and thin at its base. Claws of postabdomen and caudal process are comparatively short (sometimes rudimentary), inserted rather sparsely and normally straight, being directed either backwards or downwards................................................................... 5
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</keyLead>
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</paragraph>
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<keyStep id="530A97D6D15AFFAE6EC26180D1EF026E" pageId="33" pageNumber="380">
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<paragraph id="E8418F73D15AFFAE6EC26180D1EF0386" blockId="33.[151,1436,151,936]" pageId="33" pageNumber="380">
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<keyLead id="530F2C46D15AFFAE6EC26180D1EF0386" pageId="33" pageNumber="380">
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4 The thickness of caudal process at its base is large (5.5–14.8 % of body length). Claws of postabdomen and caudal process are long (4.5–19.3 % of body length) and inserted comparatively sparsely (interclaw distance 8.0–17.0 % of body length)......................................................................................
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<taxonomicName id="2FFEF4F0D15AFFAE6AC661CFD1EF0386" ID-CoL="P3NB" authority="Lilljeborg, 1901" authorityName="Lilljeborg" authorityYear="1901" box="[1171,1436,709,730]" class="Branchiopoda" family="Cercopagidae" genus="Bythotrephes" kingdom="Animalia" order="Diplostraca" pageId="33" pageNumber="380" phylum="Arthropoda" rank="species" species="arcticus">
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<emphasis id="DA8A5361D15AFFAE6AC661CFD0890386" box="[1171,1274,709,730]" italics="true" pageId="33" pageNumber="380">B. arcticus</emphasis>
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<bibRefCitation id="8C6FF282D15AFFAE6B5561CFD1EF0386" author="Lilljeborg" box="[1280,1436,709,730]" pageId="33" pageNumber="380" refId="ref25381" refString="Lilljeborg, W. (1901) Cladocera Sueciae oder Beitrage sur Kenntnis der in Schweden lebenden von der Ordnung der Branchiopoden und der Unterordnung der Cladoceren. Nova acta regiae societatis scientatis scientiarum upsaleinsis, Series 3, 19, 1 - 701." type="journal article" year="1901">Lilljeborg, 1901</bibRefCitation>
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</taxonomicName>
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</keyLead>
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</paragraph>
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<paragraph id="E8418F73D15AFFAE6EC261E8D1EF026E" blockId="33.[151,1436,151,936]" pageId="33" pageNumber="380">
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<keyLead id="530F2C46D15AFFAE6EC261E8D1EF026E" pageId="33" pageNumber="380">
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- The thickness of caudal process at its base is moderate (4.4–7.2 % of body length). Claws of postabdomen and caudal process are comparatively short (5.0–11.0 % of body length) and inserted comparatively densely (interclaw distance 7.6–10.0 % of body length)...............................................................
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<taxonomicName id="2FFEF4F0D15AFFAE6A076017D1EF026E" ID-CoL="P3NR" authority="Behning, 1941" authorityName="Behning" authorityYear="1941" box="[1106,1436,797,818]" class="Branchiopoda" family="Cercopagidae" genus="Bythotrephes" kingdom="Animalia" order="Diplostraca" pageId="33" pageNumber="380" phylum="Arthropoda" rank="species" species="transcaucasicus">
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<emphasis id="DA8A5361D15AFFAE6A076017D17A026E" box="[1106,1289,797,818]" italics="true" pageId="33" pageNumber="380">B. transcaucasicus</emphasis>
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<bibRefCitation id="8C6FF282D15AFFAE6B5B6017D1EF026E" author="Behning, A. L." bookContentInfo="384 pp." box="[1294,1436,797,818]" journalOrPublisher="Tbilisi" pageId="33" pageNumber="380" refId="ref24155" refString="Behning, A. L. (1941) Cladocera of the Caucasus. Gruzmedgiz, Tbilisi, 384 pp. [in Russian]" title="Cladocera of the Caucasus. Gruzmedgiz" type="book" year="1941">Behning, 1941</bibRefCitation>
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</taxonomicName>
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</keyLead>
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</paragraph>
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</keyStep>
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<keyStep id="530A97D6D15AFFAE6EC26030D1EF02F4" pageId="33" pageNumber="380">
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<paragraph id="E8418F73D15AFFAE6EC26030D1EF0230" blockId="33.[151,1436,151,936]" pageId="33" pageNumber="380">
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<keyLead id="530F2C46D15AFFAE6EC26030D1EF0230" pageId="33" pageNumber="380">
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5 Claws of postabdomen and caudal process are usually short (0.8–8.3 % of body length) and directed backwards........................................................................................
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<taxonomicName id="2FFEF4F0D15AFFAE6A256052D1EF0230" ID-CoL="695H7" authority="Lilljeborg, 1901" authorityName="Lilljeborg" authorityYear="1901" box="[1136,1436,855,877]" class="Branchiopoda" family="Cercopagidae" genus="Bythotrephes" kingdom="Animalia" order="Diplostraca" pageId="33" pageNumber="380" phylum="Arthropoda" rank="species" species="brevimanus">
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<emphasis id="DA8A5361D15AFFAE6A256052D0890231" box="[1136,1274,855,877]" italics="true" pageId="33" pageNumber="380">B. brevimanus</emphasis>
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<bibRefCitation id="8C6FF282D15AFFAE6B55605DD1EF0230" author="Lilljeborg" box="[1280,1436,855,876]" pageId="33" pageNumber="380" refId="ref25381" refString="Lilljeborg, W. (1901) Cladocera Sueciae oder Beitrage sur Kenntnis der in Schweden lebenden von der Ordnung der Branchiopoden und der Unterordnung der Cladoceren. Nova acta regiae societatis scientatis scientiarum upsaleinsis, Series 3, 19, 1 - 701." type="journal article" year="1901">Lilljeborg, 1901</bibRefCitation>
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</taxonomicName>
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</keyLead>
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||
</paragraph>
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<paragraph id="E8418F73D15AFFAE6EC2607FD1EF02F4" blockId="33.[151,1436,151,936]" pageId="33" pageNumber="380">
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<keyLead id="530F2C46D15AFFAE6EC2607FD1EF02F4" pageId="33" pageNumber="380">
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- Claws of postabdomen and caudal process are comparatively long (5.4–12.1 % of body length) and directed downwards.........................................................................................
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<taxonomicName id="2FFEF4F0D15AFFAE6A9A6098D13A02FB" authority="Korovchinsky, 2018" authorityName="Korovchinsky" authorityYear="2018" box="[1231,1353,913,935]" class="Branchiopoda" family="Cercopagidae" genus="Bythotrephes" kingdom="Animalia" order="Diplostraca" pageId="33" pageNumber="380" phylum="Arthropoda" rank="species" species="lilljeborgi" status="sp. nov.">
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<emphasis id="DA8A5361D15AFFAE6A9A6098D13A02FB" box="[1231,1353,913,935]" italics="true" pageId="33" pageNumber="380">B. lilljeborgi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="C1B9EE1AD15AFFAE6B1A6098D1EF02F4" box="[1359,1436,914,936]" pageId="33" pageNumber="380" rank="species">
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<emphasis id="DA8A5361D15AFFAE6B1A6098D1EF02F4" bold="true" box="[1359,1436,914,936]" pageId="33" pageNumber="380">sp. nov.</emphasis>
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</taxonomicNameLabel>
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</keyLead>
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</paragraph>
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