291 lines
43 KiB
XML
291 lines
43 KiB
XML
<document id="878FE03BCCB1FD9AFFFC531C40D91CA5" ID="10.11646/zootaxa.4229.1.1SLASH10052" ID-CLB-Dataset="37164" ID-DOI="10.5281/zenodo.293480" ID-GBIF-Dataset="07873971-1d73-4f3a-b361-179172ec47cf" ID-ISSN="1175-5326" ID-Zenodo-Dep="293480" ID-ZooBank="BCDF8F6F-B8B4-4A9D-A8B8-7EDCEF1100BE" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1486544624914" checkinUser="plazi" docAuthor="Bradford-Grieve, Janet M., Blanco-Bercial, Leocadio & Boxshall, Geoffrey A." docDate="2017" docId="03FC3969BB00FFC401BE660AFC7602BE" docLanguage="en" docName="zootaxa.4229.1.1SLASH10052.pdf" docOrigin="Zootaxa 4229 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Bathycalanus unicornis Bjornberg 1968" docType="treatment" docVersion="8" lastPageNumber="127" masterDocId="FFC54111BB7AFFBB0129672DFFD4026A" masterDocTitle="Revision of Family Megacalanidae (Copepoda: Calanoida)" masterLastPageNumber="183" masterPageNumber="1" pageNumber="123" updateTime="1698436673664" updateUser="ExternalLinkService">
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<mods:title id="9A733531E5ED466B46A3C84FF39BAA3B">Revision of Family Megacalanidae (Copepoda: Calanoida)</mods:title>
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<mods:name id="E49F81177EBA0DE9C8357970F1D13E81" type="personal">
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<mods:namePart id="71141DB71F2D55A905D7E1597F94112A">Bradford-Grieve, Janet M.</mods:namePart>
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</mods:role>
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<mods:namePart id="D34FA0273F758BD92BD200E019F6961C">Blanco-Bercial, Leocadio</mods:namePart>
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<mods:name id="A04F7A7A6E9147E1F7D3E7C4D4ED2C8D" type="personal">
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<mods:namePart id="87198A5A682B9ACC9BB47CD41B5C8759">Boxshall, Geoffrey A.</mods:namePart>
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<mods:typeOfResource id="C9F8F577392AF57AF02A922B4727F8EC">text</mods:typeOfResource>
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<mods:title id="44452079131845CF148563DED7F4B328">Zootaxa</mods:title>
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<mods:part id="C152F66EDCF4D8F922F273ADE4596D96">
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<mods:date id="D937CD62DD4823F801899E2C55E4DDC7">2017</mods:date>
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<mods:number id="E0753F028CB6BBCEEA52760B3BE00988">4229</mods:number>
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<treatment id="03FC3969BB00FFC401BE660AFC7602BE" ID-DOI="http://doi.org/10.5281/zenodo.6029192" ID-GBIF-Taxon="127644088" ID-Zenodo-Dep="6029192" LSID="urn:lsid:plazi:treatment:03FC3969BB00FFC401BE660AFC7602BE" httpUri="http://treatment.plazi.org/id/03FC3969BB00FFC401BE660AFC7602BE" lastPageId="127" lastPageNumber="127" pageId="122" pageNumber="123">
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<subSubSection id="C34FDBF4BB00FFC101BE660AFE850309" pageId="122" pageNumber="123" type="nomenclature">
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<paragraph id="8BEA887FBB00FFC101BE660AFD5F0328" blockId="122.[151,651,295,355]" box="[151,651,295,322]" pageId="122" pageNumber="123">
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<heading id="D0A23F13BB00FFC101BE660AFD5F0328" bold="true" box="[151,651,295,322]" fontSize="11" level="1" pageId="122" pageNumber="123" reason="1">
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<taxonomicName id="4C55F3FCBB00FFC101BE660AFD5F0328" authority="Bjornberg, 1968" authorityName="Bjornberg" authorityYear="1968" box="[151,651,295,322]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="122" pageNumber="123" phylum="Arthropoda" rank="species" species="unicornis">
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<emphasis id="B921546DBB00FFC101BE660AFD5F0328" bold="true" box="[151,651,295,322]" pageId="122" pageNumber="123">
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<emphasis id="B921546DBB00FFC101BE660AFE6C032B" bold="true" box="[151,440,295,321]" italics="true" pageId="122" pageNumber="123">Bathycalanus unicornis</emphasis>
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<bibRefCitation id="EFC4F58EBB00FFC100966605FD5F0328" author="Bjornberg" box="[447,651,296,322]" pageId="122" pageNumber="123" refString="Bjornberg, T. K. S. (1968) Four new species of Megacalanidae (Crustacea: Copepoda). Antarctic Research Series, 11, 73 - 90." type="journal article" year="1968">Björnberg, 1968</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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<paragraph id="8BEA887FBB00FFC101BE6667FE850309" blockId="122.[151,651,295,355]" box="[151,337,330,355]" pageId="122" pageNumber="123">
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(
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<figureCitation id="136E94FABB00FFC101B66667FF210309" box="[159,245,330,355]" captionStart="FIGURE 46" captionStartId="83.[151,250,1071,1093]" captionTargetBox="[184,1407,401,1012]" captionTargetId="figure@83.[151,1436,375,1049]" captionTargetPageId="83" captionText="FIGURE 46. Distribution of Bathycalanus species: filled triangle = Bathycalanus bradyi; open triangle = Ba. milleri n. sp.; filled square = Ba. richardi; open square = Ba. dentatus n. sp.; open circle = Ba. tumidus n. sp.; open diamond = Ba. adornatus n. sp.; filled star = Ba. pustulosus; filled diamond = Ba. unicornis; filled circle = Ba. bucklinae n. sp.; cross = Ba. eximius." httpUri="https://zenodo.org/record/293525/files/figure.png" pageId="122" pageNumber="123">Figs 46</figureCitation>
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,
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<figureCitation id="136E94FABB00FFC100286667FE9D0309" box="[257,329,330,355]" captionStart-0="FIGURE 81" captionStart-1="FIGURE 82" captionStart-2="FIGURE 83" captionStart-3="FIGURE 84" captionStart-4="FIGURE 85" captionStart-5="FIGURE 86" captionStartId-0="122.[151,250,1937,1959]" captionStartId-1="123.[151,250,1453,1475]" captionStartId-2="124.[151,250,1673,1695]" captionStartId-3="125.[151,250,1173,1195]" captionStartId-4="126.[151,250,1576,1598]" captionStartId-5="127.[151,250,1906,1928]" captionTargetBox-0="[151,1436,801,1915]" captionTargetBox-1="[151,1436,194,1437]" captionTargetBox-2="[151,1435,187,1658]" captionTargetBox-3="[169,1413,193,1146]" captionTargetBox-4="[151,1436,193,1555]" captionTargetBox-5="[152,1436,269,1884]" captionTargetId-0="figure@122.[151,1436,801,1916]" captionTargetId-1="figure@123.[151,1436,193,1438]" captionTargetId-2="figure@124.[151,1436,187,1658]" captionTargetId-3="figure@125.[169,1413,193,1146]" captionTargetId-4="figure@126.[151,1436,193,1555]" captionTargetId-5="figure@127.[151,1436,267,1885]" captionTargetPageId-0="122" captionTargetPageId-1="123" captionTargetPageId-2="124" captionTargetPageId-3="125" captionTargetPageId-4="126" captionTargetPageId-5="127" captionText-0="FIGURE 81. Bathycalanus unicornis Björnberg, 1968 female: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, anterior view of leg 1; E, maxilliped. Scale bars 1.0 mm on all figures. Illustrated specimen from MV 73 - 1, Stn 53." captionText-1="FIGURE 82. Bathycalanus unicornis Björnberg, 1968 female antennule ancestral segments: A, segments I – XV; B, segments XVI – XVIII; C, segments XIX – XXII; D, segments XXIII – XXVIII; (E) detail of segment XXVIII. Scale bars represent 1.0 mm on figures A – D; 0.1 mm on remaining figure. Illustrated specimen from MV 73 - 1, Stn 53." captionText-2="FIGURE 83. Bathycalanus unicornis Björnberg, 1968 female: A, antenna; B, mandibular palp; C, mandibular gnathobase; D, maxillule; E, maxilla; F, endopod of maxilla. Scale bars represent 1.0 mm on figure E; 0.1 mm on remaining figures. Illustrated specimen from MV 73 - 1, Stn 53." captionText-3="FIGURE 84. Bathycalanus unicornis Björnberg, 1968 female: A, posterior view of leg 2; B, anterior view of leg 3; C, anterior view of leg 4; D, anterior view of leg 5. Scale bar represents 1.0 mm on all figures. Illustrated specimen from MV 73 - 1, Stn 53." captionText-4="FIGURE 85. Bathycalanus unicornis Björnberg, 1968 male: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, ancestral segments XVIII – XXIII of right antennule; E, posterior view of leg 5; F, inner distal corner modified seta of right exopod segment 2 of leg 5; G, inner distal specialised seta of left exopod segment 2 of leg 5. Scale bars represent 1.0 mm on figures A, B, E; 0.1 mm on remaining figures. Illustrated specimen from MV 73 - 1, Stn 53." captionText-5="FIGURE 86. Bathycalanus unicornis Björnberg, 1968 male ancestral antennule segments. Left antennule: A, segments I – XVIII; B, segments XIX – XXI; C, segments XXII – XXVIII; D, detail of segment XXVIII. Right antennule: F, segments I – XV; G, segments XVI – XXIV; H, segments XXV – XXVIII. Scale bars represent 1.0 mm on figures A – C, F – H; 0.1 mm on remaining figure. Illustrated specimen from MV 73 - 1, Stn 53." httpUri-0="https://zenodo.org/record/311097/files/figure.png" httpUri-1="https://zenodo.org/record/293561/files/figure.png" httpUri-2="https://zenodo.org/record/311102/files/figure.png" httpUri-3="https://zenodo.org/record/311103/files/figure.png" httpUri-4="https://zenodo.org/record/311108/files/figure.png" httpUri-5="https://zenodo.org/record/293565/files/figure.png" pageId="122" pageNumber="123">81–86</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C34FDBF4BB00FFC101BE66BFFCC403C2" box="[151,784,402,424]" pageId="122" pageNumber="123" type="reference_group">
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<paragraph id="8BEA887FBB00FFC101BE66BFFCC403C2" blockId="122.[151,784,402,424]" box="[151,784,402,424]" pageId="122" pageNumber="123">
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<taxonomicName id="4C55F3FCBB00FFC101BE66BFFDE103C2" authority="Bjornberg, 1968" authorityName="Bjornberg" authorityYear="1968" box="[151,565,402,424]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="122" pageNumber="123" phylum="Arthropoda" rank="species" species="unicornis">
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<emphasis id="B921546DBB00FFC101BE66BFFE5303C2" box="[151,391,402,424]" italics="true" pageId="122" pageNumber="123">Bathycalanus unicornis</emphasis>
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<bibRefCitation id="EFC4F58EBB00FFC100A466BFFDE103C2" author="Bjornberg" box="[397,565,402,424]" pageId="122" pageNumber="123" refString="Bjornberg, T. K. S. (1968) Four new species of Megacalanidae (Crustacea: Copepoda). Antarctic Research Series, 11, 73 - 90." type="journal article" year="1968">Björnberg, 1968</bibRefCitation>
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</taxonomicName>
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, pp 73–75, figs 1–14.
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</paragraph>
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</subSubSection>
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<subSubSection id="C34FDBF4BB00FFC601BE66F5FF0E056D" lastPageId="125" lastPageNumber="126" pageId="122" pageNumber="123" type="materials_examined">
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<paragraph id="8BEA887FBB00FFC101BE66F5FDE3039B" blockId="122.[151,1437,468,749]" box="[151,567,468,497]" pageId="122" pageNumber="123">
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<emphasis id="B921546DBB00FFC101BE66F5FEE1039B" bold="true" box="[151,309,472,497]" pageId="122" pageNumber="123">Type locality.</emphasis>
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40.767o S, 76. 800o W.
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</paragraph>
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<paragraph id="8BEA887FBB00FFC101EE66D1FD1100CF" blockId="122.[151,1437,468,749]" pageId="122" pageNumber="123">
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<emphasis id="B921546DBB00FFC101EE66D1FE65007F" bold="true" box="[199,433,508,533]" pageId="122" pageNumber="123">Material examined.</emphasis>
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MV
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<date id="FFEBAEBFBB00FFC100C166D1FDC2007E" box="[488,534,508,532]" bridgedPair="-" pageId="122" pageNumber="123" value="1973-01">73-I</date>
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, Stn 53, IKMT,
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<quantity id="4CAD259ABB00FFC103E566D1FC94007E" box="[716,832,508,532]" metricMagnitude="3" metricUnit="m" metricValue="1.0" metricValueMax="2.0" metricValueMin="0.0" pageId="122" pageNumber="123" unit="m" value="1000.0" valueMax="2000.0" valueMin="0.0">0–2000 m</quantity>
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, 2♀ (9.8,
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<quantity id="4CAD259ABB00FFC1029866D1FBCD007E" box="[945,1049,508,532]" metricMagnitude="-2" metricUnit="m" metricValue="1.02" pageId="122" pageNumber="123" unit="mm" value="10.2">10.2 mm</quantity>
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), 2♂ (8.3,
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<quantity id="4CAD259ABB00FFC105BB66D1FB38007E" box="[1170,1260,508,532]" metricMagnitude="-3" metricUnit="m" metricValue="8.8" pageId="122" pageNumber="123" unit="mm" value="8.8">8.8 mm</quantity>
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). ANTXXIV/1, Stn 8, MOC10, 2990–
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<quantity id="4CAD259ABB00FFC100BD650DFE380052" box="[404,492,544,568]" metricMagnitude="3" metricUnit="m" metricValue="3.992" pageId="122" pageNumber="123" unit="m" value="3992.0">3992 m</quantity>
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, 2♀ (9.3,
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<quantity id="4CAD259ABB00FFC10348650DFD690052" box="[609,701,544,569]" metricMagnitude="-3" metricUnit="m" metricValue="9.6" pageId="122" pageNumber="123" unit="mm" value="9.6">9.6 mm</quantity>
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). Eltanin, Stn 175, IKMT,
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<quantity id="4CAD259ABB00FFC102C7650DFB920052" box="[1006,1094,544,568]" metricMagnitude="3" metricUnit="m" metricValue="2.893" pageId="122" pageNumber="123" unit="m" value="2893.0">2893 m</quantity>
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, 1♀ Holotype USNM
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<date id="FFEBAEBFBB00FFC1046D650DFA4D0053" box="[1348,1433,544,569]" pageId="122" pageNumber="123" value="66-12-25">122566</date>
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. Records from Natural History Museum, London: Discovery Stns, RMT8: 8508#78,
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<quantity id="4CAD259ABB00FFC105176569FB0E0036" box="[1086,1242,580,605]" metricMagnitude="3" metricUnit="m" metricValue="2.8" metricValueMax="3.1" metricValueMin="2.5" pageId="122" pageNumber="123" unit="m" value="2800.0" valueMax="3100.0" valueMin="2500.0">2500–3100 m</quantity>
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, 3♀ (9.3, 9.3,
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<quantity id="4CAD259ABB00FFC104506569FF1000EA" metricMagnitude="-3" metricUnit="m" metricValue="9.4" pageId="122" pageNumber="123" unit="mm" value="9.4">9.4 mm</quantity>
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) BMNH 1993.859-861; 8509#20,
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<quantity id="4CAD259ABB00FFC103796545FD3B00EA" box="[592,751,616,641]" metricMagnitude="3" metricUnit="m" metricValue="3.25" metricValueMax="3.5" metricValueMin="3.0" pageId="122" pageNumber="123" unit="m" value="3250.0" valueMax="3500.0" valueMin="3000.0">3000–3500 m</quantity>
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, 1♀ (
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<quantity id="4CAD259ABB00FFC102196545FC4800EA" box="[816,924,616,641]" metricMagnitude="-3" metricUnit="m" metricValue="9.35" pageId="122" pageNumber="123" unit="mm" value="9.35">9.35 mm</quantity>
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), BMNH 1993.858; 8509#27,
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<quantity id="4CAD259ABB00FFC105D06545FA4300EA" box="[1273,1431,616,641]" metricMagnitude="3" metricUnit="m" metricValue="3.75" metricValueMax="4.0" metricValueMin="3.5" pageId="122" pageNumber="123" unit="m" value="3750.0" valueMax="4000.0" valueMin="3500.0">3500–4000 m</quantity>
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, 2♀ (10.0 mm, 1 damaged) BMNH 1993.862-863.
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</paragraph>
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<paragraph id="8BEA887FBB00FFC101EE659DFD940087" blockId="122.[151,1437,468,749]" pageId="122" pageNumber="123">
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<emphasis id="B921546DBB00FFC101EE659DFDD900A3" bold="true" box="[199,525,688,713]" pageId="122" pageNumber="123">Morphological description.</emphasis>
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Following description based on specimen from MV73-1, Stn 53. As for genus with following specific level features.
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</paragraph>
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<caption id="DF2AD8F7BB00FFC101BE60BCFAEF05AC" httpUri="https://zenodo.org/record/311097/files/figure.png" pageId="122" pageNumber="123" targetBox="[151,1436,801,1915]" targetPageId="122">
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<paragraph id="8BEA887FBB00FFC101BE60BCFAEF05AC" blockId="122.[151,1436,1937,1990]" pageId="122" pageNumber="123">
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<emphasis id="B921546DBB00FFC101BE60BCFECB05CD" bold="true" box="[151,287,1937,1959]" pageId="122" pageNumber="123">FIGURE 81.</emphasis>
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<taxonomicName id="4C55F3FCBB00FFC1000C60BCFD1405CD" authority="Bjornberg, 1968" authorityName="Bjornberg" authorityYear="1968" box="[293,704,1937,1959]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="122" pageNumber="123" phylum="Arthropoda" rank="species" species="unicornis">
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<emphasis id="B921546DBB00FFC1000C60BCFDC105CD" box="[293,533,1937,1959]" italics="true" pageId="122" pageNumber="123">Bathycalanus unicornis</emphasis>
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Björnberg, 1968
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</taxonomicName>
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female: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, anterior view of leg 1; E, maxilliped. Scale bars 1.0 mm on all figures. Illustrated specimen from MV73-1, Stn 53.
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</paragraph>
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</caption>
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<caption id="DF2AD8F7BB01FFC001BE6280FBF5046B" httpUri="https://zenodo.org/record/293561/files/figure.png" pageId="123" pageNumber="124" targetBox="[151,1436,194,1437]" targetPageId="123">
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<paragraph id="8BEA887FBB01FFC001BE6280FBF5046B" blockId="123.[151,1436,1453,1537]" pageId="123" pageNumber="124">
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<emphasis id="B921546DBB01FFC001BE6280FEF507A9" bold="true" box="[151,289,1453,1475]" pageId="123" pageNumber="124">FIGURE 82.</emphasis>
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<taxonomicName id="4C55F3FCBB01FFC000016280FD1307A9" authority="Bjornberg, 1968" authorityName="Bjornberg" authorityYear="1968" box="[296,711,1453,1475]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="unicornis">
|
||
<emphasis id="B921546DBB01FFC000016280FDCD07A9" box="[296,537,1453,1475]" italics="true" pageId="123" pageNumber="124">Bathycalanus unicornis</emphasis>
|
||
Björnberg, 1968
|
||
</taxonomicName>
|
||
female antennule ancestral segments: A, segments I–XV; B, segments XVI–XVIII; C, segments XIX–XXII; D, segments XXIII–XXVIII; (E) detail of segment XXVIII. Scale bars represent 1.0 mm on figures A–D; 0.1 mm on remaining figure. Illustrated specimen from MV73-1, Stn 53.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BEA887FBB01FFC001EE6100FC1F04BC" blockId="123.[151,1436,1581,2038]" pageId="123" pageNumber="124">
|
||
Female (
|
||
<figureCitation id="136E94FABB01FFC000016100FEA3042C" box="[296,375,1581,1606]" captionStart="FIGURE 81" captionStartId="122.[151,250,1937,1959]" captionTargetBox="[151,1436,801,1915]" captionTargetId="figure@122.[151,1436,801,1916]" captionTargetPageId="122" captionText="FIGURE 81. Bathycalanus unicornis Björnberg, 1968 female: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, anterior view of leg 1; E, maxilliped. Scale bars 1.0 mm on all figures. Illustrated specimen from MV 73 - 1, Stn 53." httpUri="https://zenodo.org/record/311097/files/figure.png" pageId="123" pageNumber="124">Fig. 81</figureCitation>
|
||
A–C). Total length
|
||
<quantity id="4CAD259ABB01FFC003666100FD67042F" box="[591,691,1581,1606]" metricMagnitude="-2" metricUnit="m" metricValue="1.05" pageId="123" pageNumber="124" unit="mm" value="10.5">10.5 mm</quantity>
|
||
(mean =
|
||
<quantity id="4CAD259ABB01FFC002356100FCA7042F" box="[796,883,1581,1606]" metricMagnitude="-3" metricUnit="m" metricValue="9.6" pageId="123" pageNumber="124" unit="mm" value="9.6">9.6 mm</quantity>
|
||
, range =
|
||
<quantity id="4CAD259ABB01FFC002F06103FBA4042F" box="[985,1136,1582,1606]" metricMagnitude="-3" metricUnit="m" metricValue="9.75" metricValueMax="10.2" metricValueMin="9.3" pageId="123" pageNumber="124" unit="mm" value="9.75" valueMax="10.2" valueMin="9.3">9.3–10.2 mm</quantity>
|
||
, n = 9). Anterior margin of head in dorsal view produced into single spine-like process, curved ventrally with ventral barb near tip. In lateral view, posterolateral corners of pedigerous somite 5 symmetrical, short and rounded, not extending posterior to widest part of genital double-somite. Genital double-somite symmetrical in dorsal view, widest at about anterior one eighth, 1.2 times longer than wide, seminal receptacles not observed.
|
||
</paragraph>
|
||
<paragraph id="8BEA887FBB01FFC001EE61CCFB7005C4" blockId="123.[151,1436,1581,2038]" pageId="123" pageNumber="124">
|
||
Antennule (
|
||
<figureCitation id="136E94FABB01FFC0006761CCFE760490" box="[334,418,1761,1786]" captionStart="FIGURE 82" captionStartId="123.[151,250,1453,1475]" captionTargetBox="[151,1436,194,1437]" captionTargetId="figure@123.[151,1436,193,1438]" captionTargetPageId="123" captionText="FIGURE 82. Bathycalanus unicornis Björnberg, 1968 female antennule ancestral segments: A, segments I – XV; B, segments XVI – XVIII; C, segments XIX – XXII; D, segments XXIII – XXVIII; (E) detail of segment XXVIII. Scale bars represent 1.0 mm on figures A – D; 0.1 mm on remaining figure. Illustrated specimen from MV 73 - 1, Stn 53." httpUri="https://zenodo.org/record/293561/files/figure.png" pageId="123" pageNumber="124">Fig. 82</figureCitation>
|
||
) extending beyond caudal rami by about 5–6 segments. Lengths of antennule segments (µm) as follows. Measurements taken along posterior border of each segment but two (posterior (shortest) and anterior) measurements taken of ancestral segment I. I (308, 623); II–IV (365); V (217); VI (256); VII (315); VIII (305); IX (303); X–XI (537); XII (345); XIII (367); XIV (429); XV (552); XVI (675); XVII (737); XVIII (892); XIX (926); XX (1032); XXI (1059); XXII (778); XXIII (727);
|
||
<collectionCode id="ED4410BABB01FFC00253605FFC1405E3" box="[890,960,1906,1929]" pageId="123" pageNumber="124">XXIV</collectionCode>
|
||
(872); XXV (842); XXVI (389); XXVII (741); XXVIII (38). Anterior and posterior borders of ancestral segments XVI–XXI smooth.
|
||
</paragraph>
|
||
<paragraph id="8BEA887FBB01FFC001EE6097FEFE059C" blockId="123.[151,1436,1581,2038]" pageId="123" pageNumber="124">
|
||
Antenna (
|
||
<figureCitation id="136E94FABB01FFC0001C6094FE5205B8" box="[309,390,1977,2002]" captionStart="FIGURE 83" captionStartId="124.[151,250,1673,1695]" captionTargetBox="[151,1435,187,1658]" captionTargetId="figure@124.[151,1436,187,1658]" captionTargetPageId="124" captionText="FIGURE 83. Bathycalanus unicornis Björnberg, 1968 female: A, antenna; B, mandibular palp; C, mandibular gnathobase; D, maxillule; E, maxilla; F, endopod of maxilla. Scale bars represent 1.0 mm on figure E; 0.1 mm on remaining figures. Illustrated specimen from MV 73 - 1, Stn 53." httpUri="https://zenodo.org/record/311102/files/figure.png" pageId="123" pageNumber="124">Fig. 83</figureCitation>
|
||
A) exopod segment IV with short seta extending to distal border of segment VIII and bearing short setules.
|
||
</paragraph>
|
||
<caption id="DF2AD8F7BB06FFC701BE61A4FE3404B6" httpUri="https://zenodo.org/record/311102/files/figure.png" pageId="124" pageNumber="125" targetBox="[151,1435,187,1658]" targetPageId="124">
|
||
<paragraph id="8BEA887FBB06FFC701BE61A4FE3404B6" blockId="124.[151,1436,1673,1756]" pageId="124" pageNumber="125">
|
||
<emphasis id="B921546DBB06FFC701BE61A4FEF404F5" bold="true" box="[151,288,1673,1695]" pageId="124" pageNumber="125">FIGURE 83.</emphasis>
|
||
<taxonomicName id="4C55F3FCBB06FFC7000F61A4FD1004F5" authority="Bjornberg, 1968" authorityName="Bjornberg" authorityYear="1968" box="[294,708,1673,1695]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="unicornis">
|
||
<emphasis id="B921546DBB06FFC7000F61A4FDC304F5" box="[294,535,1673,1695]" italics="true" pageId="124" pageNumber="125">Bathycalanus unicornis</emphasis>
|
||
Björnberg, 1968
|
||
</taxonomicName>
|
||
female: A, antenna; B, mandibular palp; C, mandibular gnathobase; D, maxillule; E, maxilla; F, endopod of maxilla. Scale bars represent 1.0 mm on figure E; 0.1 mm on remaining figures. Illustrated specimen from MV73-1, Stn 53.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BEA887FBB06FFC701EE6029FCBD050E" blockId="124.[151,1437,1796,2037]" pageId="124" pageNumber="125">
|
||
Maxillule (
|
||
<figureCitation id="136E94FABB06FFC7006D6029FE420576" box="[324,406,1796,1821]" captionStart="FIGURE 83" captionStartId="124.[151,250,1673,1695]" captionTargetBox="[151,1435,187,1658]" captionTargetId="figure@124.[151,1436,187,1658]" captionTargetPageId="124" captionText="FIGURE 83. Bathycalanus unicornis Björnberg, 1968 female: A, antenna; B, mandibular palp; C, mandibular gnathobase; D, maxillule; E, maxilla; F, endopod of maxilla. Scale bars represent 1.0 mm on figure E; 0.1 mm on remaining figures. Illustrated specimen from MV 73 - 1, Stn 53." httpUri="https://zenodo.org/record/311102/files/figure.png" pageId="124" pageNumber="125">Fig. 83</figureCitation>
|
||
D) praecoxal arthrite with 14 setae including 3 on posterior surface and 2 setae on anterior surface, one of them small; coxal endite without setae, basal endites 1 and 2 with 2 and 4 setae respectively; endopod segments with 2/3, 2, 5+1 smaller anterior surface seta.
|
||
</paragraph>
|
||
<paragraph id="8BEA887FBB06FFC701EE605DFEC405C6" blockId="124.[151,1437,1796,2037]" pageId="124" pageNumber="125">
|
||
Maxilliped (
|
||
<figureCitation id="136E94FABB06FFC7007F605DFE7D05E2" box="[342,425,1904,1929]" captionStart="FIGURE 81" captionStartId="122.[151,250,1937,1959]" captionTargetBox="[151,1436,801,1915]" captionTargetId="figure@122.[151,1436,801,1916]" captionTargetPageId="122" captionText="FIGURE 81. Bathycalanus unicornis Björnberg, 1968 female: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, anterior view of leg 1; E, maxilliped. Scale bars 1.0 mm on all figures. Illustrated specimen from MV 73 - 1, Stn 53." httpUri="https://zenodo.org/record/311097/files/figure.png" pageId="124" pageNumber="125">Fig. 81</figureCitation>
|
||
E) syncoxal endite 4 longest, toothed seta extending beyond distal border of endopod segment 2.
|
||
</paragraph>
|
||
<paragraph id="8BEA887FBB06FFC701EE6094FD94059F" blockId="124.[151,1437,1796,2037]" pageId="124" pageNumber="125">
|
||
Leg 1 (
|
||
<figureCitation id="136E94FABB06FFC700366095FEA605BA" box="[287,370,1976,2001]" captionStart="FIGURE 81" captionStartId="122.[151,250,1937,1959]" captionTargetBox="[151,1436,801,1915]" captionTargetId="figure@122.[151,1436,801,1916]" captionTargetPageId="122" captionText="FIGURE 81. Bathycalanus unicornis Björnberg, 1968 female: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, anterior view of leg 1; E, maxilliped. Scale bars 1.0 mm on all figures. Illustrated specimen from MV 73 - 1, Stn 53." httpUri="https://zenodo.org/record/311097/files/figure.png" pageId="124" pageNumber="125">Fig. 81</figureCitation>
|
||
D) exopod with articulation between exopod segments 2 and 3 well developed; distolateral corner of endopod segment 1 bilobed.
|
||
</paragraph>
|
||
<caption id="DF2AD8F7BB07FFC601BE63B8FA4F06A0" httpUri="https://zenodo.org/record/311103/files/figure.png" pageId="125" pageNumber="126" targetBox="[169,1413,193,1146]" targetPageId="125">
|
||
<paragraph id="8BEA887FBB07FFC601BE63B8FA4F06A0" blockId="125.[151,1436,1173,1226]" pageId="125" pageNumber="126">
|
||
<emphasis id="B921546DBB07FFC601BE63B8FECB06C1" bold="true" box="[151,287,1173,1195]" pageId="125" pageNumber="126">FIGURE 84.</emphasis>
|
||
<taxonomicName id="4C55F3FCBB07FFC6000C63B8FD1506C1" authority="Bjornberg, 1968" authorityName="Bjornberg" authorityYear="1968" box="[293,705,1173,1195]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="125" pageNumber="126" phylum="Arthropoda" rank="species" species="unicornis">
|
||
<emphasis id="B921546DBB07FFC6000C63B8FDC106C1" box="[293,533,1173,1195]" italics="true" pageId="125" pageNumber="126">Bathycalanus unicornis</emphasis>
|
||
Björnberg, 1968
|
||
</taxonomicName>
|
||
female: A, posterior view of leg 2; B, anterior view of leg 3; C, anterior view of leg 4; D, anterior view of leg 5. Scale bar represents 1.0 mm on all figures. Illustrated specimen from MV73-1, Stn 53.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BEA887FBB07FFC601EE63DBFC7F073D" blockId="125.[151,1437,1270,2015]" pageId="125" pageNumber="126">
|
||
Male (
|
||
<figureCitation id="136E94FABB07FFC6003B63DBFEB10765" box="[274,357,1270,1295]" captionStart="FIGURE 85" captionStartId="126.[151,250,1576,1598]" captionTargetBox="[151,1436,193,1555]" captionTargetId="figure@126.[151,1436,193,1555]" captionTargetPageId="126" captionText="FIGURE 85. Bathycalanus unicornis Björnberg, 1968 male: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, ancestral segments XVIII – XXIII of right antennule; E, posterior view of leg 5; F, inner distal corner modified seta of right exopod segment 2 of leg 5; G, inner distal specialised seta of left exopod segment 2 of leg 5. Scale bars represent 1.0 mm on figures A, B, E; 0.1 mm on remaining figures. Illustrated specimen from MV 73 - 1, Stn 53." httpUri="https://zenodo.org/record/311108/files/figure.png" pageId="125" pageNumber="126">Fig. 85</figureCitation>
|
||
A–C). Total length 8.8,
|
||
<quantity id="4CAD259ABB07FFC6035263DAFD020765" box="[635,726,1271,1295]" metricMagnitude="-3" metricUnit="m" metricValue="8.3" pageId="125" pageNumber="126" unit="mm" value="8.3">8.3 mm</quantity>
|
||
. Anterior margin of head in dorsal view produced into single spine-like process curved ventrally, with ventral barb near tip. In lateral view, posterior corners of pedigerous somite 5 rounded, extending almost to posterior border of urosomite I.
|
||
</paragraph>
|
||
<paragraph id="8BEA887FBB07FFC601EE624EFF260461" blockId="125.[151,1437,1270,2015]" pageId="125" pageNumber="126">
|
||
Antennule (
|
||
<figureCitation id="136E94FABB07FFC60063624EFE740716" box="[330,416,1379,1404]" captionStart="FIGURE 85" captionStartId="126.[151,250,1576,1598]" captionTargetBox="[151,1436,193,1555]" captionTargetId="figure@126.[151,1436,193,1555]" captionTargetPageId="126" captionText="FIGURE 85. Bathycalanus unicornis Björnberg, 1968 male: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, ancestral segments XVIII – XXIII of right antennule; E, posterior view of leg 5; F, inner distal corner modified seta of right exopod segment 2 of leg 5; G, inner distal specialised seta of left exopod segment 2 of leg 5. Scale bars represent 1.0 mm on figures A, B, E; 0.1 mm on remaining figures. Illustrated specimen from MV 73 - 1, Stn 53." httpUri="https://zenodo.org/record/311108/files/figure.png" pageId="125" pageNumber="126">Figs 85</figureCitation>
|
||
D, 86) extends beyond caudal rami by about 5–6 segments on left. Left antennule similar to that of female. Right ancestral segment XVIII widened by anterior border ridge—2ms, 1a; XIX with proximal ridge—1ms, 1 fused element with free tip, 1a; XX—with 1 long fused element with free tip, 1ms, 1a; XXI–XXIII—2 fused elements with free tips (proximal element largely overlapping distal element), 1a, 1 vestigial s?, 1ms.
|
||
</paragraph>
|
||
<paragraph id="8BEA887FBB07FFC601EE6135FF0E056D" blockId="125.[151,1437,1270,2015]" pageId="125" pageNumber="126">
|
||
Leg 5 (
|
||
<figureCitation id="136E94FABB07FFC60035613BFEBB0445" box="[284,367,1558,1583]" captionStart="FIGURE 85" captionStartId="126.[151,250,1576,1598]" captionTargetBox="[151,1436,193,1555]" captionTargetId="figure@126.[151,1436,193,1555]" captionTargetPageId="126" captionText="FIGURE 85. Bathycalanus unicornis Björnberg, 1968 male: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, ancestral segments XVIII – XXIII of right antennule; E, posterior view of leg 5; F, inner distal corner modified seta of right exopod segment 2 of leg 5; G, inner distal specialised seta of left exopod segment 2 of leg 5. Scale bars represent 1.0 mm on figures A, B, E; 0.1 mm on remaining figures. Illustrated specimen from MV 73 - 1, Stn 53." httpUri="https://zenodo.org/record/311108/files/figure.png" pageId="125" pageNumber="126">Fig. 85</figureCitation>
|
||
E–G) extending just beyond third free urosomite, asymmetrically developed; left leg slightly longer than right leg, outer borders of exopod segments without surface thickenings. Right exopod segment 2, inner border seta in form of short thickened proximal part and apparently articulated tapering distal part. Inner border of right exopod segment 3 naked apart from proximal setules. Left exopod segment 2 inner border specialised seta in form of spherical proximal part with outer naked rounded lobe and inner pair of long lashes clothed in very long setules. Inner border of left exopod segment 3 irregular in shape, bordered by setules from proximal to near inner spine.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34FDBF4BB07FFC601EE603EFE1205B5" pageId="125" pageNumber="126" type="discussion">
|
||
<paragraph id="8BEA887FBB07FFC601EE603EFAC6051E" blockId="125.[151,1437,1270,2015]" pageId="125" pageNumber="126">
|
||
<emphasis id="B921546DBB07FFC601EE603EFEEF0546" bold="true" box="[199,315,1811,1836]" pageId="125" pageNumber="126">Remarks.</emphasis>
|
||
This is the second time
|
||
<taxonomicName id="4C55F3FCBB07FFC603716039FD250541" box="[600,753,1812,1835]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="125" pageNumber="126" phylum="Arthropoda" rank="species" species="unicornis">
|
||
<emphasis id="B921546DBB07FFC603716039FD250541" box="[600,753,1812,1835]" italics="true" pageId="125" pageNumber="126">Ba. unicornis</emphasis>
|
||
</taxonomicName>
|
||
has been recorded since its original discovery off Valdivia,
|
||
<collectingCountry id="F342C8EFBB07FFC601BE601BFF000525" box="[151,212,1846,1871]" name="Chile" pageId="125" pageNumber="126">Chile</collectingCountry>
|
||
(
|
||
<bibRefCitation id="EFC4F58EBB07FFC601C6601BFE650525" author="Bjornberg" box="[239,433,1846,1871]" pageId="125" pageNumber="126" refString="Bjornberg, T. K. S. (1968) Four new species of Megacalanidae (Crustacea: Copepoda). Antarctic Research Series, 11, 73 - 90." type="journal article" year="1968">Björnberg 1968</bibRefCitation>
|
||
). Here, we have corrected some observations, highlighted additional characters distinguishing the female of this species from other
|
||
<taxonomicName id="4C55F3FCBB07FFC603F56076FCA00519" box="[732,884,1883,1907]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="125" pageNumber="126" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B921546DBB07FFC603F56076FCA00519" box="[732,884,1883,1907]" italics="true" pageId="125" pageNumber="126">Bathycalanus</emphasis>
|
||
</taxonomicName>
|
||
and added a description of the male.
|
||
</paragraph>
|
||
<paragraph id="8BEA887FBB07FFC601EE6053FE1205B5" blockId="125.[151,1437,1270,2015]" pageId="125" pageNumber="126">
|
||
<emphasis id="B921546DBB07FFC601EE6053FE2605FD" bold="true" box="[199,498,1918,1943]" pageId="125" pageNumber="126">Morphological variation.</emphasis>
|
||
There appears to be some variation in the setation of the maxillule as there may be 2 or 3 setae on endopod segment
|
||
<quantity id="4CAD259ABB07FFC60332608EFD9C05D6" box="[539,584,1955,1980]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="125" pageNumber="126" unit="in" value="1.0">1 in</quantity>
|
||
the same individual, although it is not possible to be sure if this observed variation is due to damage.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF2AD8F7BB04FFC501BE6105FBF204F0" httpUri="https://zenodo.org/record/311108/files/figure.png" pageId="126" pageNumber="127" targetBox="[151,1436,193,1555]" targetPageId="126">
|
||
<paragraph id="8BEA887FBB04FFC501BE6105FBF204F0" blockId="126.[151,1436,1576,1690]" pageId="126" pageNumber="127">
|
||
<emphasis id="B921546DBB04FFC501BE6105FEF40454" bold="true" box="[151,288,1576,1598]" pageId="126" pageNumber="127">FIGURE 85.</emphasis>
|
||
<taxonomicName id="4C55F3FCBB04FFC5000E6105FD120454" authority="Bjornberg, 1968" authorityName="Bjornberg" authorityYear="1968" box="[295,710,1576,1598]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="126" pageNumber="127" phylum="Arthropoda" rank="species" species="unicornis">
|
||
<emphasis id="B921546DBB04FFC5000E6105FDCC0454" box="[295,536,1576,1598]" italics="true" pageId="126" pageNumber="127">Bathycalanus unicornis</emphasis>
|
||
Björnberg, 1968
|
||
</taxonomicName>
|
||
male: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, ancestral segments XVIII–XXIII of right antennule; E, posterior view of leg 5; F, inner distal corner modified seta of right exopod segment 2 of leg 5; G, inner distal specialised seta of left exopod segment 2 of leg 5. Scale bars represent 1.0 mm on figures A, B, E; 0.1 mm on remaining figures. Illustrated specimen from MV73-1, Stn 53.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C34FDBF4BB04FFC401EE61ECFC7602BE" lastPageId="127" lastPageNumber="128" pageId="126" pageNumber="127" type="distribution">
|
||
<paragraph id="8BEA887FBB04FFC501EE61ECFB0F054B" blockId="126.[151,1436,1729,2007]" pageId="126" pageNumber="127">
|
||
<emphasis id="B921546DBB04FFC501EE61ECFEB404B0" bold="true" box="[199,352,1729,1754]" pageId="126" pageNumber="127">Distribution.</emphasis>
|
||
The present records extend the distribution into the Atlantic Ocean over the abyssal plain off
|
||
<collectingCountry id="F342C8EFBB04FFC501BE61C8FF2C0494" box="[151,248,1765,1790]" name="Namibia" pageId="126" pageNumber="127">Namibia</collectingCountry>
|
||
and northwards into the eastern Pacific to off the coast of
|
||
<collectingRegion id="4991469DBB04FFC502B661C8FC200494" box="[927,1012,1765,1790]" country="Mexico" name="Mexico" pageId="126" pageNumber="127">
|
||
<collectingCountry id="F342C8EFBB04FFC502B661C8FC200494" box="[927,1012,1765,1790]" name="Mexico" pageId="126" pageNumber="127">Mexico</collectingCountry>
|
||
</collectingRegion>
|
||
(
|
||
<figureCitation id="136E94FABB04FFC5052F61C8FB880494" box="[1030,1116,1765,1790]" captionStart="FIGURE 46" captionStartId="83.[151,250,1071,1093]" captionTargetBox="[184,1407,401,1012]" captionTargetId="figure@83.[151,1436,375,1049]" captionTargetPageId="83" captionText="FIGURE 46. Distribution of Bathycalanus species: filled triangle = Bathycalanus bradyi; open triangle = Ba. milleri n. sp.; filled square = Ba. richardi; open square = Ba. dentatus n. sp.; open circle = Ba. tumidus n. sp.; open diamond = Ba. adornatus n. sp.; filled star = Ba. pustulosus; filled diamond = Ba. unicornis; filled circle = Ba. bucklinae n. sp.; cross = Ba. eximius." httpUri="https://zenodo.org/record/293525/files/figure.png" pageId="126" pageNumber="127">Fig. 46</figureCitation>
|
||
,
|
||
<tableCitation id="C6D7BDC4BB04FFC5054061C8FB680494" box="[1129,1212,1765,1790]" captionStart="TABLE 1" captionStartId="6.[121,197,553,573]" captionTargetBox="[119,1865,736,1449]" captionTargetPageId="6" captionText="TABLE 1. Station data and capture circumstances for Megacalanidae newly studied here. BN = Benthic net; EBS-S = Epibenthic Sledge — supranet (top); IKMT = Isaacs-Kidd Midwater Trawl; = Multinet; MOC 10 = 10 m 2 MOCNESS net; MOC 1 = 1 m 2 MOCNESS net; mwo = metres of wire out; N 100 = 1 m diameter net with stramin mesh (Sewell 1935); N 200 = 2 m diameter" httpUri="http://table.plazi.org/id/DF2AD8F7BB7CFFBD01506504F8E5003D" pageId="126" pageNumber="127" tableUuid="DF2AD8F7BB7CFFBD01506504F8E5003D">Table 1</tableCitation>
|
||
) (
|
||
<bibRefCitation id="EFC4F58EBB04FFC505F161C8FA440494" author="Bjornberg" box="[1240,1424,1765,1790]" pageId="126" pageNumber="127" refString="Bjornberg, T. K. S. (1968) Four new species of Megacalanidae (Crustacea: Copepoda). Antarctic Research Series, 11, 73 - 90." type="journal article" year="1968">Björnberg 1968</bibRefCitation>
|
||
).
|
||
<taxonomicName id="4C55F3FCBB04FFC501BE6027FE74054B" box="[151,416,1802,1826]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="126" pageNumber="127" phylum="Arthropoda" rank="species" species="unicornis">
|
||
<emphasis id="B921546DBB04FFC501BE6027FE74054B" box="[151,416,1802,1826]" italics="true" pageId="126" pageNumber="127">Bathycalanus unicornis</emphasis>
|
||
</taxonomicName>
|
||
is an upper abyssopelagic species taken from depths <2000 to>
|
||
<quantity id="4CAD259ABB04FFC505566027FB03054B" box="[1151,1239,1802,1826]" metricMagnitude="3" metricUnit="m" metricValue="3.0" pageId="126" pageNumber="127" unit="m" value="3000.0">3000 m</quantity>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BEA887FBB04FFC401EE6000FC7602BE" blockId="126.[151,1436,1729,2007]" lastBlockId="127.[151,1436,151,213]" lastPageId="127" lastPageNumber="128" pageId="126" pageNumber="127">
|
||
<emphasis id="B921546DBB04FFC501EE6000FE17052C" bold="true" box="[199,451,1837,1862]" pageId="126" pageNumber="127">Species comparisons.</emphasis>
|
||
<taxonomicName id="4C55F3FCBB04FFC500E36003FD07052C" box="[458,723,1838,1862]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="126" pageNumber="127" phylum="Arthropoda" rank="species" species="unicornis">
|
||
<emphasis id="B921546DBB04FFC500E36003FD07052C" box="[458,723,1838,1862]" italics="true" pageId="126" pageNumber="127">Bathycalanus unicornis</emphasis>
|
||
</taxonomicName>
|
||
is unique amongst
|
||
<taxonomicName id="4C55F3FCBB04FFC502846003FB91052C" box="[941,1093,1838,1862]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="126" pageNumber="127" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B921546DBB04FFC502846003FB91052C" box="[941,1093,1838,1862]" italics="true" pageId="126" pageNumber="127">Bathycalanus</emphasis>
|
||
</taxonomicName>
|
||
in several respects (
|
||
<tableCitation id="C6D7BDC4BB04FFC504016000FA5A052C" box="[1320,1422,1837,1862]" captionStart="TABLE 10" captionStartId="90.[119,193,525,545]" captionTargetBox="[119,1868,604,1214]" captionTargetPageId="90" captionText="TABLE 10. Comparison of key differences among female Bathycalanus species. A 1 = antennule; B 2 = basal endite 2; C = coxal endite; Gns = Genital double-somite; Mx 1 = maxillule; no. = number; = praecoxal arthrite; Pd 5 = pedigerous somite 5; P 1 = leg 1; Re 2 — 3 = exopod segments 2 — 3; seg (s) = segment (s)." httpUri="http://table.plazi.org/id/DF2AD8F7BB20FFE1015E6520FBBA0056" pageId="126" pageNumber="127" tableUuid="DF2AD8F7BB20FFE1015E6520FBBA0056">Table 10</tableCitation>
|
||
): 1) the anterior head has 1 large barbed spine-like process projecting anteriorly and curving ventrally; 2) the genital double-somite, in dorsal view, is 1.2 times longer than wide and the widest part is at the anterior one eighth; 3) the posterolateral borders of pedigerous somite 5 are very short and rounded in lateral view; 4) the maxillule has 3 posterior surface setae on the praecoxal arthrite; 5) the male leg 5 is unique among currently known
|
||
<taxonomicName id="4C55F3FCBB04FFC5042D6093FA4805BC" box="[1284,1436,1982,2006]" class="Maxillopoda" family="Megacalanidae" genus="Bathycalanus" kingdom="Animalia" order="Calanoida" pageId="126" pageNumber="127" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B921546DBB04FFC5042D6093FA4805BC" box="[1284,1436,1982,2006]" italics="true" pageId="126" pageNumber="127">Bathycalanus</emphasis>
|
||
</taxonomicName>
|
||
in having a setal remnant on the inner border of the right exopod segment 2; and 6) in having 2 moderately long setulose lashes on the inner specialised seta of left exopod segment 2.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |