248 lines
37 KiB
XML
248 lines
37 KiB
XML
<document id="CC408E03A72A6F0D31B633BBA1F89835" ID-DOI="10.11646/zootaxa.2465.1.1" ID-ISSN="11755334" ID-Zenodo-Dep="10093931" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629677578248" checkinUser="felipe" docAuthor="Tandberg, Anne Helene S." docDate="2010" docId="931B5117FB006679FF26AF58FC2BBB4F" docLanguage="en" docName="zt02465p094.pdf" docOrigin="Zootaxa 2465 (1)" docSource="https://biotaxa.org/Zootaxa/article/view/zootaxa.2465.1.1" docStyle="DocumentStyle:D239614CE4198176A422035174489AB1.4:Zootaxa.2009-2012.monograph" docStyleId="D239614CE4198176A422035174489AB1" docStyleName="Zootaxa.2009-2012.monograph" docStyleVersion="4" docTitle="Metopa aequicornis Sars 1879" docType="treatment" docVersion="3" lastPageNumber="6" masterDocId="6F22296FFB04667CFFB1AC05FFFDBF33" masterDocTitle="A redescription of Metopa species (Amphipoda, Stenothoidae) based on the type material. 3. Natural History Museum, Oslo (NHM) 2465" masterLastPageNumber="94" masterPageNumber="1" pageNumber="5" updateTime="1699565791465" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="90868461021646937D2D318C71D6AFC9">A redescription of Metopa species (Amphipoda, Stenothoidae) based on the type material. 3. Natural History Museum, Oslo (NHM) 2465</mods:title>
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<mods:namePart id="DBA722A80DCE60426AFE5BD3A40918A1">Tandberg, Anne Helene S.</mods:namePart>
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<mods:title id="A9821F41D35028D3483A96E38F6F0ACD">Zootaxa</mods:title>
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<mods:date id="0A311A1BDAF6AD7FDD8D7FBE920CDC5F">2010</mods:date>
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<taxonomicName id="DCB29B82FB006678FF26AF58FDF3BC44" ID-CoL="42GJP" authority="Sars, 1879" authorityName="Sars" authorityYear="1879" box="[151,526,861,887]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="aequicornis">
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<emphasis id="29C63C13FB006678FF26AF58FE7ABC44" bold="true" box="[151,391,861,887]" italics="true" pageId="4" pageNumber="5">Metopa aequicornis</emphasis>
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<bibRefCitation id="7F239DF0FB006678FE3FAF58FDF3BC44" author="Sars, G. O." box="[398,526,861,887]" pageId="4" pageNumber="5" pagination="427 - 476" refId="ref21599" refString="Sars, G. O. (1879) Crustacea et Pycnogonida nova, in itinere 2 do et 3 tio expeditionis norvegicae anno 1877 & 78 collecta. (Prodromus descriptionis). Archiv for Mathematik og Naturvidenskab, 4 (4): 427 - 476." type="journal article" year="1879">Sars, 1879</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="53A8B38AFB006678FF26AFA0FD0FBB2F" pageId="4" pageNumber="5" type="reference_group">
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<paragraph id="1B0DE001FB006678FF26AFA0FCB7BC8F" blockId="4.[151,842,933,1052]" box="[151,842,933,956]" pageId="4" pageNumber="5">
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<treatmentCitationGroup id="3BA2C72FFB006678FF26AFA0FCB7BC8F" box="[151,842,933,956]" pageId="4" pageNumber="5">
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<treatmentCitation id="9A13C610FB006678FF26AFA0FDEBBC8F" author="Sars, G. O." box="[151,534,933,956]" page="453" pageId="4" pageNumber="5" year="1879">
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<taxonomicName id="DCB29B82FB006678FF26AFA0FDEBBC8F" ID-CoL="42GJP" authority="Sars 1879: 453" authorityName="Sars" authorityPageNumber="453" authorityYear="1879" box="[151,534,933,956]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="aequicornis">
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<emphasis id="29C63C13FB006678FF26AFA0FE90BC8F" box="[151,365,933,956]" italics="true" pageId="4" pageNumber="5">Metopa aequicornis</emphasis>
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<bibRefCitation id="7F239DF0FB006678FEC5AFA0FDEBBC8F" author="Sars, G. O." box="[372,534,933,956]" pageId="4" pageNumber="5" pagination="427 - 476" refId="ref21599" refString="Sars, G. O. (1879) Crustacea et Pycnogonida nova, in itinere 2 do et 3 tio expeditionis norvegicae anno 1877 & 78 collecta. (Prodromus descriptionis). Archiv for Mathematik og Naturvidenskab, 4 (4): 427 - 476." type="journal article" year="1879">Sars 1879: 453</bibRefCitation>
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</taxonomicName>
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</treatmentCitation>
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;
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<treatmentCitation id="9A13C610FB006678FD90AFA0FD3EBC8F" author="Sars, G. O." box="[545,707,933,956]" page="188" pageId="4" pageNumber="5" year="1885">
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<bibRefCitation id="7F239DF0FB006678FD90AFA0FD3EBC8F" author="Sars, G. O." box="[545,707,933,956]" pageId="4" pageNumber="5" pagination="1 - 280" refId="ref21687" refString="Sars, G. O. (1885) Zoology. Crustacea I. The Norwegian North-Atlantic Expedition 1876 - 1878, VI: 1 - 280." type="journal article" year="1885">Sars 1885: 188</bibRefCitation>
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</treatmentCitation>
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||
, pl.15, fig. 5
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="1B0DE001FB006678FF26AFC0FDA5BCEF" blockId="4.[151,842,933,1052]" box="[151,600,965,988]" pageId="4" pageNumber="5">
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<treatmentCitationGroup id="3BA2C72FFB006678FF26AFC0FDA5BCEF" box="[151,600,965,988]" pageId="4" pageNumber="5">
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<taxonomicName id="DCB29B82FB006678FF26AFC0FE90BCEF" ID-CoL="42GJP" authorityName="Sars" authorityYear="1879" box="[151,365,965,988]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="aequicornis">
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||
<emphasis id="29C63C13FB006678FF26AFC0FE90BCEF" box="[151,365,965,988]" italics="true" pageId="4" pageNumber="5">Metopa aequicornis</emphasis>
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</taxonomicName>
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—
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||
<treatmentCitation id="9A13C610FB006678FE39AFC0FDA5BCEF" author="Stebbing, T. R. R." box="[392,600,965,988]" page="180" pageId="4" pageNumber="5" year="1906">
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<bibRefCitation id="7F239DF0FB006678FE39AFC0FDA5BCEF" author="Stebbing, T. R. R." box="[392,600,965,988]" pageId="4" pageNumber="5" refId="ref21921" refString="Stebbing, T. R. R. (1906) Das Tierreich, Amphipoda 1: Gammaridea. Verlag R. Friedlander und Sohn, Berlin." type="book" year="1906">Stebbing 1906: 180</bibRefCitation>
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</treatmentCitation>
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</treatmentCitationGroup>
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</paragraph>
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||
<paragraph id="1B0DE001FB006678FF26AFE0FD8FBCCF" blockId="4.[151,842,933,1052]" box="[151,626,997,1020]" pageId="4" pageNumber="5">
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<treatmentCitationGroup id="3BA2C72FFB006678FF26AFE0FD8FBCCF" box="[151,626,997,1020]" pageId="4" pageNumber="5">
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<taxonomicName id="DCB29B82FB006678FF26AFE0FE90BCCF" ID-CoL="42GJP" authorityName="Sars" authorityYear="1879" box="[151,365,997,1020]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="aequicornis">
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||
<emphasis id="29C63C13FB006678FF26AFE0FE90BCCF" box="[151,365,997,1020]" italics="true" pageId="4" pageNumber="5">Metopa aequicornis</emphasis>
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</taxonomicName>
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—
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<treatmentCitation id="9A13C610FB006678FE39AFE0FD8FBCCF" author="Stephensen, K." box="[392,626,997,1020]" page="174" pageId="4" pageNumber="5" year="1938">
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<bibRefCitation id="7F239DF0FB006678FE39AFE0FD8FBCCF" author="Stephensen, K." box="[392,626,997,1020]" pageId="4" pageNumber="5" pagination="141 - 278" refId="ref22092" refString="Stephensen, K. (1938) The Amphipoda of N. Norway and Spitsbergen with adjacent waters. Tromso Museums Skrifter, 3 (2): 141 - 278." type="journal article" year="1938">Stephensen 1938: 174</bibRefCitation>
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</treatmentCitation>
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="1B0DE001FB006678FF26A800FD0FBB2F" blockId="4.[151,842,933,1052]" box="[151,754,1029,1052]" pageId="4" pageNumber="5">
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<treatmentCitationGroup id="3BA2C72FFB006678FF26A800FD0FBB2F" box="[151,754,1029,1052]" pageId="4" pageNumber="5">
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<taxonomicName id="DCB29B82FB006678FF26A800FE90BB2F" ID-CoL="42GJP" authorityName="Sars" authorityYear="1879" box="[151,365,1029,1052]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="aequicornis">
|
||
<emphasis id="29C63C13FB006678FF26A800FE90BB2F" box="[151,365,1029,1052]" italics="true" pageId="4" pageNumber="5">Metopa aequicornis</emphasis>
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||
</taxonomicName>
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||
—
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||
<treatmentCitation id="9A13C610FB006678FE39A800FD68BB2F" author="Gurjanova, E. F." box="[392,661,1029,1052]" page="429" pageId="4" pageNumber="5" year="1951">
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<bibRefCitation id="7F239DF0FB006678FE39A800FD68BB2F" author="Gurjanova, E. F." box="[392,661,1029,1052]" pageId="4" pageNumber="5" pagination="1 - 1029" refId="ref21393" refString="Gurjanova, E. F. (1951) Amphipods of the USSR seas and adjacent waters (Amphipoda - Gammaridea). Opredeliteli po Faune SSSR Izdavaemye Zoologicheskim Institutom Akademii Nauk SSSR, 41, 1 - 1029. (in Russian)" type="journal article" year="1951">Gurjanova 1951: 429–30</bibRefCitation>
|
||
</treatmentCitation>
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||
, fig. 273
|
||
</treatmentCitationGroup>
|
||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="53A8B38AFB006679FF26A84FFAE7BCD4" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5" type="materials_examined">
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<paragraph id="1B0DE001FB006678FF26A84FFBEABBB9" blockId="4.[151,1437,1098,2020]" pageId="4" pageNumber="5">
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<emphasis id="29C63C13FB006678FF26A84FFE67BB57" bold="true" box="[151,410,1098,1124]" pageId="4" pageNumber="5">Material examined.</emphasis>
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<materialsCitation id="ABDAEA5CFB006678FE15A84FFBEABBB9" collectingDate="1874-07-08" collectorName="G. O. Sars Station" latitude="76.566666" location="Sars Station" longLatPrecision="950" longitude="12.85" municipality="North Atlantic Expedition" pageId="4" pageNumber="5" specimenCount="1" typeStatus="holotype">
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||
Morphological examination: F1806 (det:
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<collectorName id="B64785D7FB006678FC1EA84FFB82BB57" box="[943,1151,1098,1124]" pageId="4" pageNumber="5">
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G.O.
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<location id="1E6DB6DAFB006678FC54A84FFB82BB57" LSID="urn:lsid:plazi:treatment:931B5117FB006679FF26AF58FC2BBB4F:1E6DB6DAFB006678FC54A84FFB82BB57" box="[997,1151,1098,1124]" latitude="76.566666" longLatPrecision="950" longitude="12.85" municipality="North Atlantic Expedition" name="Sars Station" pageId="4" pageNumber="5">Sars Station</location>
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</collectorName>
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343 Norwegian
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<collectingMunicipality id="FB697A7BFB006678FAE2A84FFE7DBBB9" pageId="4" pageNumber="5">North Atlantic Expedition</collectingMunicipality>
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,
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<geoCoordinate id="7E8686C6FB006678FE3DA875FE0EBBB9" box="[396,499,1136,1162]" degrees="76" direction="north" minutes="34" orientation="latitude" pageId="4" pageNumber="5" precision="925" value="76.566666">76°34’N</geoCoordinate>
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,
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<geoCoordinate id="7E8686C6FB006678FDB1A875FD9EBBB9" box="[512,611,1136,1162]" degrees="12" direction="east" minutes="51" orientation="longitude" pageId="4" pageNumber="5" precision="925" value="12.85">12°51’E</geoCoordinate>
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,
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<date id="6F0CC6C1FB006678FDC1A875FD0BBBB9" box="[624,758,1136,1162]" pageId="4" pageNumber="5" value="1874-07-08">
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<collectingDate id="7F483F29FB006678FDC1A875FD0BBBB9" box="[624,758,1136,1162]" pageId="4" pageNumber="5" value="1874-07-08">07.08.1874</collectingDate>
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</date>
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) Male.
|
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.
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<typeStatus id="C4095EA3FB006678FC13A875FBEEBBB9" box="[930,1043,1136,1162]" pageId="4" pageNumber="5" type="holotype">Holotype</typeStatus>
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.
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</materialsCitation>
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</paragraph>
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<paragraph id="1B0DE001FB006678FF77A890FB16BB9C" blockId="4.[151,1437,1098,2020]" box="[198,1259,1173,1199]" pageId="4" pageNumber="5">The specimen had been dried out some time during its museum-history, and was quite flat.</paragraph>
|
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<paragraph id="1B0DE001FB006678FF77A8BFFAC0BBE7" blockId="4.[151,1437,1098,2020]" box="[198,1341,1210,1236]" pageId="4" pageNumber="5">
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<materialsCitation id="ABDAEA5CFB006678FF77A8BFFB26BBE7" box="[198,1243,1210,1236]" elevation="1359" latitude="76.566666" location="Norwegian North Atlantic Expedition" longLatPrecision="950" longitude="12.85" municipality="North Atlantic Expedition" pageId="4" pageNumber="5" specimenCount="1" typeStatus="holotype">
|
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<emphasis id="29C63C13FB006678FF77A8BFFE8DBBE7" bold="true" box="[198,368,1210,1236]" pageId="4" pageNumber="5">
|
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<typeStatus id="C4095EA3FB006678FF77A8BFFEF9BBE7" box="[198,260,1210,1236]" pageId="4" pageNumber="5">Type</typeStatus>
|
||
locality:
|
||
</emphasis>
|
||
St. 343
|
||
<location id="1E6DB6DAFB006678FE60A8BFFC6CBBE7" LSID="urn:lsid:plazi:treatment:931B5117FB006679FF26AF58FC2BBB4F:1E6DB6DAFB006678FE60A8BFFC6CBBE7" box="[465,913,1210,1236]" latitude="76.566666" longLatPrecision="950" longitude="12.85" municipality="North Atlantic Expedition" name="Norwegian North Atlantic Expedition" pageId="4" pageNumber="5">
|
||
Norwegian
|
||
<collectingMunicipality id="FB697A7BFB006678FDEAA8BFFC6CBBE7" box="[603,913,1210,1236]" pageId="4" pageNumber="5">North Atlantic Expedition</collectingMunicipality>
|
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</location>
|
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:
|
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<geoCoordinate id="7E8686C6FB006678FC2DA8BFFBFEBBE7" box="[924,1027,1210,1236]" degrees="76" direction="north" minutes="34" orientation="latitude" pageId="4" pageNumber="5" precision="925" value="76.566666">76°34’N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="7E8686C6FB006678FBA1A8BFFB8EBBE7" box="[1040,1139,1210,1236]" degrees="12" direction="east" minutes="51" orientation="longitude" pageId="4" pageNumber="5" precision="925" value="12.85">12°51’E</geoCoordinate>
|
||
,
|
||
<quantity id="DC4A4DE4FB006678FB31A8BFFB26BBE7" box="[1152,1243,1210,1236]" metricMagnitude="3" metricUnit="m" metricValue="1.359" pageId="4" pageNumber="5" unit="m" value="1359.0">
|
||
<elevation id="909F0732FB006678FB31A8BFFB26BBE7" box="[1152,1243,1210,1236]" metricMagnitude="3" metricUnit="m" metricValue="1.359" pageId="4" pageNumber="5" unit="m" value="1359.0">1359 m</elevation>
|
||
</quantity>
|
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</materialsCitation>
|
||
, -1.2°C.
|
||
</paragraph>
|
||
<paragraph id="1B0DE001FB006678FF77A8E5FE02BBC9" blockId="4.[151,1437,1098,2020]" box="[198,511,1248,1274]" pageId="4" pageNumber="5">See figures 1, 2, 3, 4 and 5</paragraph>
|
||
<paragraph id="1B0DE001FB006678FF77A900FCB9BA2C" blockId="4.[151,1437,1098,2020]" box="[198,836,1285,1311]" pageId="4" pageNumber="5">
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||
<emphasis id="29C63C13FB006678FF77A900FCB9BA2C" bold="true" box="[198,836,1285,1311]" pageId="4" pageNumber="5">
|
||
Morphological redescription of male
|
||
<typeStatus id="C4095EA3FB006678FD24A900FD36BA2C" box="[661,715,1285,1311]" pageId="4" pageNumber="5">type</typeStatus>
|
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material.
|
||
</emphasis>
|
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</paragraph>
|
||
<paragraph id="1B0DE001FB006678FF75A92FFE80B8A9" blockId="4.[151,1437,1098,2020]" pageId="4" pageNumber="5">
|
||
Head (
|
||
<figureCitation id="8389FC84FB006678FEA0A92FFEABBA77" box="[273,342,1322,1348]" captionStart="FIGURE 1" captionStartId="26.[151,256,1981,2005]" captionTargetBox="[251,1323,220,1920]" captionTargetId="figure-43@26.[223,1365,197,1958]" captionTargetPageId="26" captionText="FIGURE 1. Photo of Metopa aequicornis Sars, 1879, male, 6 mm, F1806 holotype (A). Photo of Metopa tenuimana Sars, 1892, 3 mm, female, F13730 syntype (B)." figureDoi="http://doi.org/10.5281/zenodo.10093935" httpUri="https://zenodo.org/record/10093935/files/figure.png" pageId="4" pageNumber="5">Fig. 1</figureCitation>
|
||
): epistome projected and rounded, cephalic lobe rounded; eye 1/4 of head length, round, well defined. Antenna 1 (
|
||
<figureCitation id="8389FC84FB006678FE39A955FE2FBA59" box="[392,466,1360,1386]" captionStart="FIGURE 2" captionStartId="27.[151,256,1971,1995]" captionTargetBox="[210,1362,194,1946]" captionTargetId="figure-43@27.[210,1363,194,1946]" captionTargetPageId="27" captionText="FIGURE 2. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): antenna 1, antenna 2, labrum, mandible, labium, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093937" httpUri="https://zenodo.org/record/10093937/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
|
||
): long and slender, almost as long as body length; second peduncle article slightly longer than first; flagellum 17-articulate, with minute seta on the articles; no accessory flagellum observed. Antenna 2 (
|
||
<figureCitation id="8389FC84FB006678FE94A99FFE8DBA87" box="[293,368,1434,1460]" captionStart="FIGURE 2" captionStartId="27.[151,256,1971,1995]" captionTargetBox="[210,1362,194,1946]" captionTargetId="figure-43@27.[210,1363,194,1946]" captionTargetPageId="27" captionText="FIGURE 2. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): antenna 1, antenna 2, labrum, mandible, labium, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093937" httpUri="https://zenodo.org/record/10093937/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
|
||
): as long as A1; peduncle almost 3x length of flagellum; flagellum 12-articulate, naked. Labium (
|
||
<figureCitation id="8389FC84FB006678FEB5A9C5FEB2BAE9" box="[260,335,1472,1498]" captionStart="FIGURE 2" captionStartId="27.[151,256,1971,1995]" captionTargetBox="[210,1362,194,1946]" captionTargetId="figure-43@27.[210,1363,194,1946]" captionTargetPageId="27" captionText="FIGURE 2. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): antenna 1, antenna 2, labrum, mandible, labium, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093937" httpUri="https://zenodo.org/record/10093937/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
|
||
): rounded with minute setae at distal edge. Mandible (
|
||
<figureCitation id="8389FC84FB006678FC6FA9C5FBD4BAE9" box="[990,1065,1472,1498]" captionStart="FIGURE 2" captionStartId="27.[151,256,1971,1995]" captionTargetBox="[210,1362,194,1946]" captionTargetId="figure-43@27.[210,1363,194,1946]" captionTargetPageId="27" captionText="FIGURE 2. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): antenna 1, antenna 2, labrum, mandible, labium, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093937" httpUri="https://zenodo.org/record/10093937/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
|
||
): mandibular palp 3-articulate, circular in cross-section, apical article well developed, middle article longer than first and third combined, long, thin, simple setae along middle and apical article; incisor and lacinia mobilis serrate and well developed; single row of raker setae; no molar. Maxilla 1 (
|
||
<figureCitation id="8389FC84FB006678FD0CAA35FCF8B979" box="[701,773,1584,1610]" captionStart="FIGURE 2" captionStartId="27.[151,256,1971,1995]" captionTargetBox="[210,1362,194,1946]" captionTargetId="figure-43@27.[210,1363,194,1946]" captionTargetPageId="27" captionText="FIGURE 2. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): antenna 1, antenna 2, labrum, mandible, labium, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093937" httpUri="https://zenodo.org/record/10093937/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
|
||
): inner plate with one simple distal seta; outer plate with four cuspidate setae, two of which marginally serrate, two teeth at apical edge, approximately 10 thin simple setae along inner margin; palp 1-articulate, reaching 1.5x length of outer plate, with nine simple setae and one tooth apically, and deep serrations along the apical-inner margin. Maxilla 2 (
|
||
<figureCitation id="8389FC84FB006678FB8BAAA5FB78B989" box="[1082,1157,1696,1722]" captionStart="FIGURE 2" captionStartId="27.[151,256,1971,1995]" captionTargetBox="[210,1362,194,1946]" captionTargetId="figure-43@27.[210,1363,194,1946]" captionTargetPageId="27" captionText="FIGURE 2. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): antenna 1, antenna 2, labrum, mandible, labium, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093937" httpUri="https://zenodo.org/record/10093937/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
|
||
): outer plate in normal position to inner plate; both plates with several simple setae (outer with 15 and inner with five). Labrum (
|
||
<figureCitation id="8389FC84FB006678FADDAAC0FF54B837" captionStart="FIGURE 2" captionStartId="27.[151,256,1971,1995]" captionTargetBox="[210,1362,194,1946]" captionTargetId="figure-43@27.[210,1363,194,1946]" captionTargetPageId="27" captionText="FIGURE 2. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): antenna 1, antenna 2, labrum, mandible, labium, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093937" httpUri="https://zenodo.org/record/10093937/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
|
||
): rounded and smooth. Maxilliped (
|
||
<figureCitation id="8389FC84FB006678FDEBAAEFFD58B837" box="[602,677,1770,1796]" captionStart="FIGURE 2" captionStartId="27.[151,256,1971,1995]" captionTargetBox="[210,1362,194,1946]" captionTargetId="figure-43@27.[210,1363,194,1946]" captionTargetPageId="27" captionText="FIGURE 2. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): antenna 1, antenna 2, labrum, mandible, labium, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093937" httpUri="https://zenodo.org/record/10093937/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
|
||
): long and slim; inner plates separate, with few simple setae at distal margin; outer plate reduced, with a very small nob reaching less than 1/4 of first article of palp, which is 4-articulate; palp with several simple setae along inner margin of articles 1 and 2, article 3 with several simple and
|
||
<specimenCount id="0DB42B88FB006678FF79AB5FFED6B847" box="[200,299,1882,1908]" pageId="4" pageNumber="5" type="generic" typeStatus="type">one type</specimenCount>
|
||
A seta (
|
||
<bibRefCitation id="7F239DF0FB006678FE3BAB5FFD58B847" author="Tandberg, A. H. S. & Vader, W." box="[394,677,1882,1908]" pageId="4" pageNumber="5" pagination="1 - 36" refId="ref22280" refString="Tandberg, A. H. S. & Vader, W. (2009) A redescription of Metopa species (Amphipoda, Stenothoidae) based on the type material. 1. Zoological Museum, Copenhagen (ZMUC). Zootaxa, 2093: 1 - 36." type="journal article" year="2009">Tandberg & Vader 2009</bibRefCitation>
|
||
) at distal margin, article 4 with a single row of short simple setae along inner margin.
|
||
</paragraph>
|
||
<paragraph id="1B0DE001FB006679FF75ABA0FC3ABD8F" blockId="4.[151,1437,1098,2020]" lastBlockId="5.[151,1436,152,1148]" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
|
||
Pereon: smooth. Pereopod 1 (
|
||
<figureCitation id="8389FC84FB006678FD97ABA0FD92B88C" box="[550,623,1957,1983]" captionStart="FIGURE 3" captionStartId="28.[151,255,1943,1967]" captionTargetBox="[164,1423,194,1921]" captionTargetId="figure-41@28.[164,1423,194,1922]" captionTargetPageId="28" captionText="FIGURE 3. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): gnathopod 1, gnathopod 2, pereopod 3. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093939" httpUri="https://zenodo.org/record/10093939/files/figure.png" pageId="4" pageNumber="5">Fig. 3</figureCitation>
|
||
): subchelate; coxa rounded quadrate; basis linear, with a flat frontal margin with long simple setae; ischium subquadrate, with two simple setae distally; merus with posterodistal corner semi-free and with a row of long simple setae along distal margin; carpus subtriangular with a flat posterior margin lined with long simple setae; propodus subrectangular, slightly shorter and less broad than carpus, more than twice as long as broad, palm oblique with no distinct palmar corner, palm lined with short simple setae; dactylus inner margin with short simple setae, as long as palm. Pereopod 2 (
|
||
<figureCitation id="8389FC84FB016679FB4AAD0DFAB5BE11" box="[1275,1352,264,290]" captionStart="FIGURE 3" captionStartId="28.[151,255,1943,1967]" captionTargetBox="[164,1423,194,1921]" captionTargetId="figure-41@28.[164,1423,194,1922]" captionTargetPageId="28" captionText="FIGURE 3. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): gnathopod 1, gnathopod 2, pereopod 3. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093939" httpUri="https://zenodo.org/record/10093939/files/figure.png" pageId="5" pageNumber="6">Fig. 3</figureCitation>
|
||
): coxa covering coxa 1, directed forwards; merus posterior margin lined with a few simple setae, distal margin with a row of simple setae; carpus subtriangular with stridulatory knobs along anterior margin and a row of simple setae along posterodistal margin; propodus subrectangular, palm almost transverse, with a strong tooth at palmar corner, palm crenulate, and with a few short plumose and a few short simple setae; dactylus curved and smooth, almost as long as palm, not reaching the tooth at palmar corner. Pereopod 3 (
|
||
<figureCitation id="8389FC84FB016679FB0AADC7FAF9BEEF" box="[1211,1284,450,476]" captionStart="FIGURE 3" captionStartId="28.[151,255,1943,1967]" captionTargetBox="[164,1423,194,1921]" captionTargetId="figure-41@28.[164,1423,194,1922]" captionTargetPageId="28" captionText="FIGURE 3. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): gnathopod 1, gnathopod 2, pereopod 3. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093939" httpUri="https://zenodo.org/record/10093939/files/figure.png" pageId="5" pageNumber="6">Fig. 3</figureCitation>
|
||
): simple and slender; coxa subrectangular; dactylus 0.5x length of propodus, slim and simple. Pereopod 4 (
|
||
<figureCitation id="8389FC84FB016679FB5CADEDFACABD31" box="[1261,1335,488,514]" captionStart="FIGURE 4" captionStartId="29.[151,255,1953,1977]" captionTargetBox="[196,1390,194,1944]" captionTargetId="figure-37@29.[196,1391,194,1944]" captionTargetPageId="29" captionText="FIGURE 4. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): pereopod 4, pereopod 5, ursome. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093941" httpUri="https://zenodo.org/record/10093941/files/figure.png" pageId="5" pageNumber="6">Fig. 4</figureCitation>
|
||
): simple and slender; coxa subtriangular; a few simple setae along posterior margin of merus, carpus and propodus; dactylus 0.3x length of propodus, slim and simple. Pereopod 5 (
|
||
<figureCitation id="8389FC84FB016679FC01AE37FC02BD7F" box="[944,1023,562,588]" captionStart="FIGURE 4" captionStartId="29.[151,255,1953,1977]" captionTargetBox="[196,1390,194,1944]" captionTargetId="figure-37@29.[196,1391,194,1944]" captionTargetPageId="29" captionText="FIGURE 4. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): pereopod 4, pereopod 5, ursome. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093941" httpUri="https://zenodo.org/record/10093941/files/figure.png" pageId="5" pageNumber="6">Fig. 4</figureCitation>
|
||
): basis slender; meral lobe 1/4 of carpus; very few simple setae along anterior margin; dactylus slim and simple. Pereopods 6 and 7 (
|
||
<figureCitation id="8389FC84FB016679FAF3AE5DFA71BD41" box="[1346,1420,600,626]" captionStart="FIGURE 5" captionStartId="30.[151,255,1981,2005]" captionTargetBox="[225,1356,194,1961]" captionTargetId="figure-46@30.[225,1356,194,1961]" captionTargetPageId="30" captionText="FIGURE 5. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): pereopod 6, pereopod 7, uropod 1, uropod 2, uropod 3, telson. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093943" httpUri="https://zenodo.org/record/10093943/files/figure.png" pageId="5" pageNumber="6">Fig. 5</figureCitation>
|
||
): coxae small, coxa 7 subcircular; basis posteriorly expanded; meral lobe short, less than 1/3 of carpus; very few simple setae along anterior and posterior margins, dactyli simple.
|
||
</paragraph>
|
||
<paragraph id="1B0DE001FB016679FF75AECDFD44BCF1" blockId="5.[151,1436,152,1148]" pageId="5" pageNumber="6">
|
||
Urosome (
|
||
<figureCitation id="8389FC84FB016679FEF1AECDFE74BDD1" box="[320,393,712,738]" captionStart="FIGURE 4" captionStartId="29.[151,255,1953,1977]" captionTargetBox="[196,1390,194,1944]" captionTargetId="figure-37@29.[196,1391,194,1944]" captionTargetPageId="29" captionText="FIGURE 4. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): pereopod 4, pereopod 5, ursome. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093941" httpUri="https://zenodo.org/record/10093941/files/figure.png" pageId="5" pageNumber="6">Fig. 4</figureCitation>
|
||
): smooth. Epimeral plate 3 (
|
||
<figureCitation id="8389FC84FB016679FD68AECDFCDEBDD1" box="[729,803,712,738]" captionStart="FIGURE 4" captionStartId="29.[151,255,1953,1977]" captionTargetBox="[196,1390,194,1944]" captionTargetId="figure-37@29.[196,1391,194,1944]" captionTargetPageId="29" captionText="FIGURE 4. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): pereopod 4, pereopod 5, ursome. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093941" httpUri="https://zenodo.org/record/10093941/files/figure.png" pageId="5" pageNumber="6">Fig. 4</figureCitation>
|
||
): posterodistal corner acute with rounded tip. Uropod 1 (
|
||
<figureCitation id="8389FC84FB016679FF07AEE8FF03BC34" box="[182,254,749,775]" captionStart="FIGURE 5" captionStartId="30.[151,255,1981,2005]" captionTargetBox="[225,1356,194,1961]" captionTargetId="figure-46@30.[225,1356,194,1961]" captionTargetPageId="30" captionText="FIGURE 5. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): pereopod 6, pereopod 7, uropod 1, uropod 2, uropod 3, telson. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093943" httpUri="https://zenodo.org/record/10093943/files/figure.png" pageId="5" pageNumber="6">Fig. 5</figureCitation>
|
||
): longer than uropod 2; biramous; peduncle with several short simple setae, almost double length of rami, rami subequal in length; outer ramus with three small simple setae, inner ramus naked. Uropod 2 (
|
||
<figureCitation id="8389FC84FB016679FADDAF17FF55BC61" captionStart="FIGURE 5" captionStartId="30.[151,255,1981,2005]" captionTargetBox="[225,1356,194,1961]" captionTargetId="figure-46@30.[225,1356,194,1961]" captionTargetPageId="30" captionText="FIGURE 5. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): pereopod 6, pereopod 7, uropod 1, uropod 2, uropod 3, telson. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093943" httpUri="https://zenodo.org/record/10093943/files/figure.png" pageId="5" pageNumber="6">Fig. 5</figureCitation>
|
||
): longer than uropod 3; biramous; peduncle longer than rami, inner ramus longer than outer ramus; outer ramus with one small simple seta. Uropod 3 (
|
||
<figureCitation id="8389FC84FB016679FD0AAF58FCF8BC44" box="[699,773,861,887]" captionStart="FIGURE 5" captionStartId="30.[151,255,1981,2005]" captionTargetBox="[225,1356,194,1961]" captionTargetId="figure-46@30.[225,1356,194,1961]" captionTargetPageId="30" captionText="FIGURE 5. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): pereopod 6, pereopod 7, uropod 1, uropod 2, uropod 3, telson. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093943" httpUri="https://zenodo.org/record/10093943/files/figure.png" pageId="5" pageNumber="6">Fig. 5</figureCitation>
|
||
): uniramous; ramus with two articles, peduncle shorter than article 1; peduncle with four short simple setae, inner article of ramus with one tiny seta. Telson (
|
||
<figureCitation id="8389FC84FB016679FAF5AF87FA71BCAF" box="[1348,1420,898,924]" captionStart="FIGURE 5" captionStartId="30.[151,255,1981,2005]" captionTargetBox="[225,1356,194,1961]" captionTargetId="figure-46@30.[225,1356,194,1961]" captionTargetPageId="30" captionText="FIGURE 5. Metopa aequicornis Sars, 1879, male, 6 mm, F1806 (holotype): pereopod 6, pereopod 7, uropod 1, uropod 2, uropod 3, telson. All scale bars are 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10093943" httpUri="https://zenodo.org/record/10093943/files/figure.png" pageId="5" pageNumber="6">Fig. 5</figureCitation>
|
||
): rounded, tongue-shaped; three pairs of setules.
|
||
</paragraph>
|
||
<paragraph id="1B0DE001FB016679FF77AFC8FAE7BCD4" blockId="5.[151,1436,152,1148]" box="[198,1306,973,999]" pageId="5" pageNumber="6">
|
||
Sexual differences: only
|
||
<specimenCount id="0DB42B88FB016679FE5BAFC8FD74BCD4" box="[490,649,973,999]" pageId="5" pageNumber="6" type="generic">one specimen</specimenCount>
|
||
was found in the museums collections, this was a male.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="53A8B38AFB016679FF77AFF7FED1BB01" pageId="5" pageNumber="6" type="distribution">
|
||
<paragraph id="1B0DE001FB016679FF77AFF7FED1BB01" blockId="5.[151,1436,152,1148]" pageId="5" pageNumber="6">
|
||
<emphasis id="29C63C13FB016679FF77AFF7FE94BB3F" bold="true" box="[198,361,1010,1036]" pageId="5" pageNumber="6">Distribution:</emphasis>
|
||
SV of Spitsbergen, deep basin (
|
||
<quantity id="DC4A4DE4FB016679FD5CAFF7FCB0BB3F" box="[749,845,1010,1036]" metricMagnitude="3" metricUnit="m" metricValue="1.3599999999999999" pageId="5" pageNumber="6" unit="m" value="1360.0">1360 m</quantity>
|
||
). Not registered from any other stations, see map
|
||
<figureCitation id="8389FC84FB016679FF26A81DFED5BB01" box="[151,296,1048,1074]" captionStart="FIGURE 63" captionStartId="87.[151,255,1957,1981]" captionTargetBox="[226,1360,204,1933]" captionTargetId="figure-29@87.[226,1360,194,1936]" captionTargetPageId="87" captionText="FIGURE 63. Distribution map of A: Metopa aequicornis Sars, 1879 and B: Metopa affinis Boeck, 1871" figureDoi="http://doi.org/10.5281/zenodo.10094059" httpUri="https://zenodo.org/record/10094059/files/figure.png" pageId="5" pageNumber="6">Figure 63 A</figureCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="53A8B38AFB016679FF77A838FC2BBB4F" pageId="5" pageNumber="6" type="biology_ecology">
|
||
<paragraph id="1B0DE001FB016679FF77A838FC35BB64" blockId="5.[151,1436,152,1148]" box="[198,968,1085,1111]" pageId="5" pageNumber="6">
|
||
<emphasis id="29C63C13FB016679FF77A838FECEBB64" bold="true" box="[198,307,1085,1111]" pageId="5" pageNumber="6">Ecology:</emphasis>
|
||
the specimen was found in cold water (-1.2°C), on clay.
|
||
</paragraph>
|
||
<paragraph id="1B0DE001FB016679FF77A867FC2BBB4F" blockId="5.[151,1436,152,1148]" box="[198,982,1122,1148]" pageId="5" pageNumber="6">
|
||
The name
|
||
<taxonomicName id="DCB29B82FB016679FEF3A866FE31BB4F" authorityName="Sars" authorityYear="1879" box="[322,460,1123,1148]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="aequicornis">
|
||
<emphasis id="29C63C13FB016679FEF3A866FE31BB4F" box="[322,460,1123,1148]" italics="true" pageId="5" pageNumber="6">aequicornis</emphasis>
|
||
</taxonomicName>
|
||
refers to the antennae being of equal length.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |