109 lines
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109 lines
12 KiB
XML
<document id="F493CE364191286B1A5760B1F3BE4FA7" ID="10.11646/zootaxa.4147.4.1" ID-DOI="10.11646/zootaxa.4147.4.1" ID-GBIF-Dataset="fd7f8662-9544-4384-8d7e-8d180de6d749" ID-ISSN="1175-5326" ID-Zenodo-Dep="267823" ID-ZooBank="550E60AC-54F6-4FB4-8A79-058A0996B598" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1470377504845" checkinUser="plazi" docAuthor="Bekker, Eugeniya I. & Kotov, Alexey A." docDate="2016" docId="03CD879F9C31FF8056A32C81E3F8FE1E" docLanguage="en" docName="zootaxa.4147.4.1.pdf" docOrigin="Zootaxa 4147 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Eurycercus (Teretifrons) Frey 1975" docType="treatment" docVersion="8" lastPageNumber="353" masterDocId="FFF4FFE79C30FF8256342A5FE271FFCE" masterDocTitle="A revision of the subgenus Eurycercus (Teretifrons) Frey, 1975 (Crustacea: Cladocera) in the Holarctic with description of a new species from Russian Arctic" masterLastPageNumber="376" masterPageNumber="351" pageNumber="352" updateTime="1698366975285" updateUser="plazi">
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<mods:titleInfo id="8EA7BAF5082CBD046BB8ED83F5899500">
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<mods:title id="42392A38E90BAAD3B012366BE084F91B">A revision of the subgenus Eurycercus (Teretifrons) Frey, 1975 (Crustacea: Cladocera) in the Holarctic with description of a new species from Russian Arctic</mods:title>
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<mods:namePart id="32BC1D315CD9E7B1291A76729DEA93CB">Bekker, Eugeniya I.</mods:namePart>
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<mods:name id="BEAFE67AAD9369A31BA4EBF0EEF20693" type="personal">
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<mods:roleTerm id="F097BF25446B164184DF5719EB6EDC56">Author</mods:roleTerm>
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<mods:namePart id="9BB89E6AB1AC5C66AC34041AE5F8AC17">Kotov, Alexey A.</mods:namePart>
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<mods:typeOfResource id="81080689EFAEB1AED3C1E6E4E809C084">text</mods:typeOfResource>
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<mods:title id="F6F9943360001939E1C7C912AD731396">Zootaxa</mods:title>
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<mods:part id="85DCB7A7D35380C8921E3FCCF94CA0BC">
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<mods:date id="FBFEA1A2ED668AA5C96AD5F9F147B63D">2016</mods:date>
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<mods:detail id="9DFC5CDC45BB83DAA5FB66A5E581992A" type="volume">
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<mods:number id="4C0F2E7F26B83DDEC85AA9932BE84D0E">4147</mods:number>
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<mods:detail id="EE7370D1B2C5E2FBA474A475A18AE65E" type="issue">
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<mods:number id="6D7EDC5FE49185FD4EAB6F409EC4019D">4</mods:number>
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<mods:classification id="A5964CA8268A8303ACC9188CC17F0D02">journal article</mods:classification>
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<mods:identifier id="B98086DA2F40E3EBAE2ADCB35F3498BB" type="DOI">10.11646/zootaxa.4147.4.1</mods:identifier>
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<mods:identifier id="1EA18E7E0FECBD8214C5C2A44F84C6CD" type="ISSN">1175-5326</mods:identifier>
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<treatment id="03CD879F9C31FF8056A32C81E3F8FE1E" ID-DOI="http://doi.org/10.5281/zenodo.5631047" ID-GBIF-Taxon="123514193" ID-Zenodo-Dep="5631047" LSID="urn:lsid:plazi:treatment:03CD879F9C31FF8056A32C81E3F8FE1E" httpUri="http://treatment.plazi.org/id/03CD879F9C31FF8056A32C81E3F8FE1E" lastPageId="2" lastPageNumber="353" pageId="1" pageNumber="352">
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<subSubSection id="C37E65029C31FF8356A32C81E0BBF936" box="[151,714,1758,1784]" pageId="1" pageNumber="352" type="nomenclature">
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<paragraph id="8BDB36899C31FF8356A32C81E0BBF936" blockId="1.[151,714,1758,1784]" box="[151,714,1758,1784]" pageId="1" pageNumber="352">
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<heading id="D09381E59C31FF8356A32C81E0BBF936" bold="true" box="[151,714,1758,1784]" fontSize="11" level="1" pageId="1" pageNumber="352" reason="1">
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<emphasis id="B910EA9B9C31FF8356A32C81E0BBF936" bold="true" box="[151,714,1758,1784]" pageId="1" pageNumber="352">
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Subgenus
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<taxonomicName id="4C644D0A9C31FF8357232C81E0BBF936" ID-CoL="8GGZ" authority="Frey, 1975" authorityName="Frey" authorityYear="1975" box="[279,714,1758,1784]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="1" pageNumber="352" phylum="Arthropoda" rank="subGenus" subGenus="Teretifrons">
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<emphasis id="B910EA9B9C31FF8357232C81E3D0F936" bold="true" box="[279,417,1758,1784]" italics="true" pageId="1" pageNumber="352">Eurycercus</emphasis>
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(
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<emphasis id="B910EA9B9C31FF8357862C81E047F936" bold="true" box="[434,566,1758,1784]" italics="true" pageId="1" pageNumber="352">Teretifrons</emphasis>
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)
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<bibRefCitation id="EFF54B789C31FF8354732C81E0BBF936" author="Frey" box="[583,714,1758,1784]" pageId="1" pageNumber="352" refString="Frey, D. G. (1975) Subgeneric differentiation within Eurycercus (Cladocera, Chydoridae) and a new species from Northern Sweden. Hydrobiologia, 46, 263 - 300. http: // dx. doi. org / 10.1007 / BF 00043144" type="journal article" year="1975">Frey, 1975</bibRefCitation>
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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="C37E65029C31FF8356A32D7AE1E9F8F0" box="[151,920,1829,1854]" pageId="1" pageNumber="352" type="materials_examined">
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<paragraph id="8BDB36899C31FF8356A32D7AE1E9F8F0" blockId="1.[151,1436,1829,2034]" box="[151,920,1829,1854]" pageId="1" pageNumber="352">
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<emphasis id="B910EA9B9C31FF8356A32D7AE343F8F0" bold="true" box="[151,306,1829,1854]" pageId="1" pageNumber="352">Type species.</emphasis>
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<taxonomicName id="4C644D0A9C31FF83570D2D79E009F8F0" authority="Lilljeborg, 1887" authorityName="Lilljeborg" authorityYear="1887" box="[313,632,1829,1854]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="1" pageNumber="352" phylum="Arthropoda" rank="species" species="glacialis">
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<emphasis id="B910EA9B9C31FF83570D2D79E3C8F8F0" box="[313,441,1829,1854]" italics="true" pageId="1" pageNumber="352">E. glacialis</emphasis>
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<bibRefCitation id="EFF54B789C31FF83578B2D7AE009F8F0" author="Lilljeborg" box="[447,632,1829,1854]" pageId="1" pageNumber="352" refString="Lilljeborg, W. (1887) On the Entomostraca collected by Mr. Leonard Stejneger, on Bering Islands, 1882 - 83. Proceedings of the United States National Museum, 10, 154 - 156. http: // dx. doi. org / 10.5479 / si. 00963801.621.154" type="journal article" year="1887">Lilljeborg, 1887</bibRefCitation>
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</taxonomicName>
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. Typified by
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<bibRefCitation id="EFF54B789C31FF83553F2D79E1E5F8F0" author="Frey" box="[779,916,1829,1854]" pageId="1" pageNumber="352" refString="Frey, D. G. (1975) Subgeneric differentiation within Eurycercus (Cladocera, Chydoridae) and a new species from Northern Sweden. Hydrobiologia, 46, 263 - 300. http: // dx. doi. org / 10.1007 / BF 00043144" type="journal article" year="1975">Frey (1975)</bibRefCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C37E65029C31FF8356F32D16E367F83C" pageId="1" pageNumber="352" type="diagnosis">
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<paragraph id="8BDB36899C31FF8356F32D16E367F83C" blockId="1.[151,1436,1829,2034]" pageId="1" pageNumber="352">
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<emphasis id="B910EA9B9C31FF8356F32D16E3C6F8AC" bold="true" box="[199,439,1865,1890]" pageId="1" pageNumber="352">Amended diagnosis.</emphasis>
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Body uncompressed laterally, without a median dorsal keel. Dorsal head pores located on a flat head shield (no bubble-like projection or a transverse fold in this portion); ring of major head pore not elevated or elevated above head shield surface. Labral keel long, with angled apex reaching tip of antenna I or projecting beyond it. Intestine has a doubled loop; a posterior intestinal caecum absent. Entire shell serves as ephippium.
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</paragraph>
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</subSubSection>
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<subSubSection id="C37E65029C32FF8056F32AC8E3F8FE1E" pageId="2" pageNumber="353" type="discussion">
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<paragraph id="8BDB36899C32FF8056F32AC8E3F8FE1E" blockId="2.[151,1437,151,464]" pageId="2" pageNumber="353">
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<emphasis id="B910EA9B9C32FF8056F32AC8E33EFF7E" bold="true" box="[199,335,151,176]" pageId="2" pageNumber="353">Comments.</emphasis>
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According to
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<bibRefCitation id="EFF54B789C32FF8057CD2AC7E0ADFF7E" author="Frey" box="[505,732,151,176]" pageId="2" pageNumber="353" refString="Frey, D. G. (1975) Subgeneric differentiation within Eurycercus (Cladocera, Chydoridae) and a new species from Northern Sweden. Hydrobiologia, 46, 263 - 300. http: // dx. doi. org / 10.1007 / BF 00043144" type="journal article" year="1975">Frey (1975, P. 293)</bibRefCitation>
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, the diagnosis of this subgenus was: “shell broadly rounded, without a keel except in ephippial females; head pore not projecting at all, which makes the dorsal profile as seen from the side completely smooth and evenly rounded; head shield broadly rounded behind; labral keel large, expanded, acuminate in the middle; intestine with a double loop; no posterior intestinal caecum. In
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<emphasis id="B910EA9B9C32FF8053212B5BE70DFED3" box="[1301,1404,260,285]" italics="true" pageId="2" pageNumber="353">
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<taxonomicName id="4C644D0A9C32FF8053212B5BE709FED3" box="[1301,1400,260,285]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="2" pageNumber="353" phylum="Arthropoda" rank="species" species="glacialis">glacialis</taxonomicName>
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,
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</emphasis>
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in contrast to the other described species, the entire shell serves as the ephippium, with closure of the anterior portion accomplished by a complicated system of transverse infolding. If this occurs also in the other
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<emphasis id="B910EA9B9C32FF80529E2B13E762FEAB" box="[1194,1299,332,357]" italics="true" pageId="2" pageNumber="353">glacialis-</emphasis>
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like species, it can be elevated to a subgeneric character”.
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<bibRefCitation id="EFF54B789C32FF8054912B2FE147FE46" author="Hann" box="[677,822,368,392]" pageId="2" pageNumber="353" refString="Hann, B. J. (1990) Redescription of Eurycercus (Teretifrons) glacialis (Cladocera, Chydoridae) and description of a new species E. (T.) nigracanthus, from Newfoundland, Canada. Canadian Journal of Zoology, 68, 2146 - 2157. http: // dx. doi. org / 10.1139 / z 90 - 298" type="journal article" year="1990">Hann (1990)</bibRefCitation>
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accepted such diagnosis. But after our re-study of
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<taxonomicName id="4C644D0A9C32FF8053B02B2EE35AFE63" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="2" pageNumber="353" phylum="Arthropoda" rank="species" species="nigracanthus">
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<emphasis id="B910EA9B9C32FF8053B02B2EE35AFE63" italics="true" pageId="2" pageNumber="353">E. nigracanthus</emphasis>
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</taxonomicName>
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and description of
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<taxonomicName id="4C644D0A9C32FF80543C2BCAE0FBFE63" box="[520,650,404,429]" class="Branchiopoda" family="Eurycercidae" genus="Eurycercus" kingdom="Animalia" order="Diplostraca" pageId="2" pageNumber="353" phylum="Arthropoda" rank="species" species="chernovi" status="sp. nov.">
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<emphasis id="B910EA9B9C32FF80543C2BCAE0FBFE63" box="[520,650,404,429]" italics="true" pageId="2" pageNumber="353">E. chernovi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22357E09C32FF8054A72BCBE09DFE62" box="[659,748,404,429]" pageId="2" pageNumber="353" rank="species">
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<emphasis id="B910EA9B9C32FF8054A72BCBE097FE63" bold="true" box="[659,742,404,429]" pageId="2" pageNumber="353">sp. nov</emphasis>
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.
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</taxonomicNameLabel>
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, the diagnosis needed updating, in particular regarding head pores and ephippium.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |