288 lines
47 KiB
XML
288 lines
47 KiB
XML
<document id="26DFC24968E9D2A6900027BF698CF7CD" ID-DOI="10.5281/zenodo.157876" ID-GBIF-Dataset="b599bfa1-2dd5-4af3-9f06-39716463af6d" ID-ISSN="11755326" ID-Zenodo-Dep="157876" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461012943975" checkinUser="plazi" docAuthor="Bird, Graham" docDate="2004" docId="422787BBFFEEE45E3F67690EFC7FF8D3" docLanguage="en" docName="zt00471.pdf" docOrigin="Zootaxa 471" docStyle="DocumentStyle:FA7E419B012A62B0FC3AC15A186C3DAF.3:Zootaxa.2001-2006.journal_article" docStyleId="FA7E419B012A62B0FC3AC15A186C3DAF" docStyleName="Zootaxa.2001-2006.journal_article" docStyleVersion="3" docTitle="Thorkelius latiremis Hansen 1913, comb. nov." docType="treatment" docVersion="10" lastPageNumber="26" masterDocId="BE1EFFC3FFFAE4473E6F6C12FFF2FFB3" masterDocTitle="Tanaidacea (Crustacea) of the Northeast Atlantic: nonfiliform species of Anarthruridae Lang from the Atlantic Margin" masterLastPageNumber="44" masterPageNumber="1" pageNumber="21" updateTime="1698567921015" updateUser="plazi">
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<mods:title id="0EB5C806E0A64E50F04C8AF93B9E5F0F">Tanaidacea (Crustacea) of the Northeast Atlantic: nonfiliform species of Anarthruridae Lang from the Atlantic Margin</mods:title>
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<mods:name id="28CD099DCCA58E7EFDC4D0EF276F378F" type="personal">
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<mods:namePart id="F24C8831AAAC56470BECF57C101E4D71">Bird, Graham</mods:namePart>
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<mods:typeOfResource id="7FEA39E93EDFDA53D756A7BA7E059AE2">text</mods:typeOfResource>
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<mods:title id="06B75E4FFF4C2CF0DF2FDA5F013DA705">Zootaxa</mods:title>
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<mods:part id="63C98B5AB4F92A2AE6EB3D18BBEE1455">
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<mods:date id="CB708A5BC6CE67BD2E3CA8FEE6440D70">2004</mods:date>
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<mods:detail id="9875F4633209924178FBEBA657BF39A7" type="volume">
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<mods:number id="01AD98857F9311ACFF8EE8DB04CB70CE">471</mods:number>
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<mods:start id="7FA17F86169EB23096FEC82491CB9E7B">1</mods:start>
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<mods:classification id="374BEC592DAE0082A677490751F787C1">journal article</mods:classification>
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<mods:identifier id="669599E4F2B78F91C5F7E58C0E003D50" type="DOI">10.5281/zenodo.157876</mods:identifier>
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<treatment id="422787BBFFEEE45E3F67690EFC7FF8D3" ID-DOI="http://doi.org/10.5281/zenodo.5621930" ID-GBIF-Taxon="119600802" ID-Zenodo-Dep="5621930" LSID="urn:lsid:plazi:treatment:422787BBFFEEE45E3F67690EFC7FF8D3" httpUri="http://treatment.plazi.org/id/422787BBFFEEE45E3F67690EFC7FF8D3" lastPageId="25" lastPageNumber="26" pageId="20" pageNumber="21">
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<subSubSection id="82946526FFEEE4533F67690EFC2CFA85" box="[264,990,1308,1334]" pageId="20" pageNumber="21" type="nomenclature">
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<paragraph id="CA3136ADFFEEE4533F67690EFC2CFA85" blockId="20.[264,990,1308,1334]" box="[264,990,1308,1334]" pageId="20" pageNumber="21">
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<heading id="917981C1FFEEE4533F67690EFC2CFA85" bold="true" box="[264,990,1308,1334]" fontSize="11" level="1" pageId="20" pageNumber="21" reason="1">
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<emphasis id="F8FAEABFFFEEE4533F67690EFC2CFA85" bold="true" box="[264,990,1308,1334]" pageId="20" pageNumber="21">
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<taxonomicName id="0D8E4D2EFFEEE4533F67690EFD4AFA85" ID-CoL="56KTL" authority="Hansen (1913)" authorityName="Hansen" authorityYear="1913" box="[264,696,1308,1334]" class="Malacostraca" family="Anarthruridae" genus="Thorkelius" kingdom="Animalia" order="Tanaidacea" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="latiremis" status="comb. nov.">
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<emphasis id="F8FAEABFFFEEE4533F67690EFE0FFA85" bold="true" box="[264,509,1308,1334]" italics="true" pageId="20" pageNumber="21">Thorkelius latiremis</emphasis>
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<bibRefCitation id="AE1F4B5CFFEEE4533C6B690EFD4AFA85" author="Hansen" box="[516,696,1308,1334]" pageId="20" pageNumber="43" refString="Hansen, H. J. (1913) Crustacea Malacostraca, II, IV, The order Tanaidacea. Danish Ingolf Expedition, 3 (3), 1 - 145." type="journal article" year="1913">Hansen (1913)</bibRefCitation>
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</taxonomicName>
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<taxonomicNameLabel id="E3C957C4FFEEE4533CAF690EFCB4FA85" box="[704,838,1308,1334]" pageId="20" pageNumber="21">comb. nov.</taxonomicNameLabel>
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(
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<figureCitation id="52B52A28FFEEE4533D39690EFC24FA85" box="[854,982,1308,1334]" captionStart-0="FIGURE 8" captionStart-1="FIGURE 9" captionStart-2="FIGURE 10" captionStartId-0="22.[264,367,1600,1624]" captionStartId-1="23.[264,368,1624,1648]" captionStartId-2="25.[264,368,1517,1541]" captionTargetBox-0="[426,1178,576,1578]" captionTargetBox-1="[409,1177,562,1598]" captionTargetBox-2="[419,1159,429,1460]" captionTargetId-0="figure@22.[388,1198,561,1598]" captionTargetId-1="figure@23.[388,1198,545,1613]" captionTargetId-2="figure@25.[388,1198,409,1491]" captionTargetPageId-0="22" captionTargetPageId-1="23" captionTargetPageId-2="25" captionText-0="FIGURE 8. Thorkelius latiremis. Nonovigerous female A, dorsal view; B, pleon, lateral view; C, antennule; D, antenna; E, labrum, ventral view; F – G, mandibles; H, maxillule; J, maxilla; K, cheliped. Scale bar 1 mm (A – B), 0.27 mm (C – D, K), 0.2 mm (E – J)." captionText-1="FIGURE 9. Thorkelius latiremis. Nonovigerous female A, maxilliped; B, anterior of cheliped propodus and dactylus; C – H, pereopods 1 – 6 respectively; J, pleopod; K, uropod. Scale bar 0.27 mm (A – K)." captionText-2="FIGURE 10. Thorkelius latiremis. MancaII A, dorsal; B, posterior abdomen, lateral; mancaIII C, dorsal; D, posterior abdomen, lateral; preparatory male E, dorsal; F, antennule; G, pleopod. Scale bar 1 mm (A – E), 0.27 mm (F – G)." httpUri-0="https://zenodo.org/record/157884/files/figure.png" httpUri-1="https://zenodo.org/record/157885/files/figure.png" httpUri-2="https://zenodo.org/record/157886/files/figure.png" pageId="20" pageNumber="21">Figs. 8–10</figureCitation>
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)
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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="82946526FFEEE4533F676975FD59FA0E" pageId="20" pageNumber="21" type="reference_group">
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<paragraph id="CA3136ADFFEEE4533F676975FD59FA0E" blockId="20.[264,1002,1382,1470]" pageId="20" pageNumber="21">
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<treatmentCitationGroup id="EA9E1183FFEEE4533F676975FD59FA0E" pageId="20" pageNumber="21">
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<taxonomicName id="0D8E4D2EFFEEE4533F676975FD21FACE" authority="Hansen, 1913: 100" authorityName="Hansen" authorityPageNumber="100" authorityYear="1913" box="[264,723,1382,1406]" class="Malacostraca" family="Leptognathiidae" genus="Leptognathia" kingdom="Animalia" order="Tanaidacea" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="latiremis">
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<emphasis id="F8FAEABFFFEEE4533F676975FE08FACD" box="[264,506,1383,1406]" italics="true" pageId="20" pageNumber="21">Leptognathia latiremis</emphasis>
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:
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<treatmentCitation id="4B2F10BCFFEEE4533C666974FD21FACE" author="Hansen" box="[521,723,1382,1405]" page="100" pageId="20" pageNumber="21" year="1913">
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<bibRefCitation id="AE1F4B5CFFEEE4533C666974FD6DFACE" author="Hansen" box="[521,671,1382,1405]" pageId="20" pageNumber="43" refString="Hansen, H. J. (1913) Crustacea Malacostraca, II, IV, The order Tanaidacea. Danish Ingolf Expedition, 3 (3), 1 - 145." type="journal article" year="1913">Hansen, 1913</bibRefCitation>
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: 100
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</treatmentCitation>
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</taxonomicName>
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–103, plate X figure 2a–n.
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<taxonomicName id="0D8E4D2EFFEEE4533F676995FD48FA2E" authority="Lang, 1968: 159" authorityName="Lang" authorityPageNumber="159" authorityYear="1968" box="[264,698,1414,1438]" class="Malacostraca" family="Leptognathiidae" genus="Leptognathia" kingdom="Animalia" order="Tanaidacea" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="latiremis">
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<emphasis id="F8FAEABFFFEEE4533F676995FE08FA2D" box="[264,506,1415,1438]" italics="true" pageId="20" pageNumber="21">Leptognathia latiremis</emphasis>
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:
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<treatmentCitation id="4B2F10BCFFEEE4533C666994FD48FA2E" author="Lang" box="[521,698,1414,1437]" page="159" pageId="20" pageNumber="21" year="1968">
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<bibRefCitation id="AE1F4B5CFFEEE4533C666994FD74FA2E" author="Lang" box="[521,646,1414,1437]" pageId="20" pageNumber="44" refString="Lang, K. (1968) Deep-sea Tanaidacea. Galathea Report 9, 23 - 209." type="book chapter" year="1968">Lang, 1968</bibRefCitation>
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: 159
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</treatmentCitation>
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</taxonomicName>
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, table II, figure
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<quantity id="0D769B48FFEEE4533D0A6994FC66FA2E" box="[869,916,1414,1437]" metricMagnitude="-2" metricUnit="kg" metricValue="9.8" pageId="20" pageNumber="21" unit="g" value="98.0">98 g</quantity>
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–h.
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<taxonomicName id="0D8E4D2EFFEEE4533F6769B5FD55FA0E" authority="Bird, 2001: 28" authorityName="Bird" authorityPageNumber="28" authorityYear="2001" box="[264,679,1446,1470]" class="Malacostraca" family="Leptognathiidae" genus="Leptognathia" kingdom="Animalia" order="Tanaidacea" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="latiremis">
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<emphasis id="F8FAEABFFFEEE4533F6769B5FE08FA0D" box="[264,506,1447,1470]" italics="true" pageId="20" pageNumber="21">Leptognathia latiremis</emphasis>
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:
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<treatmentCitation id="4B2F10BCFFEEE4533C6669B4FD55FA0E" author="Bird" box="[521,679,1446,1469]" page="28" pageId="20" pageNumber="21" year="2001">
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||
<bibRefCitation id="AE1F4B5CFFEEE4533C6669B4FD8CFA0E" author="Bird" box="[521,638,1446,1469]" pageId="20" pageNumber="43" refString="Bird, G. J. (2001) Tanaidacea of the Atlantic Margin: The AFEN surveys of 1996 and 1998, unpublished report to AFEN and UKOOA, February 2001." type="journal article" year="2001">Bird, 2001</bibRefCitation>
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: 28
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</treatmentCitation>
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</taxonomicName>
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.
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection id="82946526FFEEE4533F6769FCFE37F9EA" pageId="20" pageNumber="21" type="diagnosis">
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<paragraph id="CA3136ADFFEEE4533F6769FCFE37F9EA" blockId="20.[264,1324,1518,1905]" pageId="20" pageNumber="21">
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<emphasis id="F8FAEABFFFEEE4533F6769FCFE72F9BB" bold="true" box="[264,384,1518,1544]" pageId="20" pageNumber="21">Diagnosis</emphasis>
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. Slender
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<taxonomicName id="0D8E4D2EFFEEE4533F9969FDFD81F9BB" box="[502,627,1519,1544]" class="Malacostraca" family="Anarthruridae" genus="Thorkelius" kingdom="Animalia" order="Tanaidacea" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
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<emphasis id="F8FAEABFFFEEE4533F9969FDFD81F9BB" box="[502,627,1519,1544]" italics="true" pageId="20" pageNumber="21">Thorkelius</emphasis>
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</taxonomicName>
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with pereonites 3–5 almost as long as broad; pleotelson with almost truncate apex; cheliped fixed finger broadly triangular, with distinctly convex incisive margin.
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</paragraph>
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</subSubSection>
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<subSubSection id="82946526FFEEE45F3F576A74FD5EFBC0" lastPageId="24" lastPageNumber="25" pageId="20" pageNumber="21" type="materials_examined">
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<paragraph id="CA3136ADFFEEE4523F576A74FD30FC6D" blockId="20.[264,1324,1518,1905]" lastBlockId="21.[264,1323,284,1870]" lastPageId="21" lastPageNumber="22" pageId="20" pageNumber="21">
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<emphasis id="F8FAEABFFFEEE4533F576A74FDD7F933" bold="true" box="[312,549,1638,1664]" pageId="20" pageNumber="21">Material examined</emphasis>
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.
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<typeStatus id="1535880FFFEEE4533C5B6A75FD66F932" box="[564,660,1639,1665]" pageId="20" pageNumber="21" type="syntype">Syntype</typeStatus>
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from Ingolf Stn. 58 (Zoologisk Museum, Copenhagen);
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<collectionCode id="AC9FAE68FFEEE4533F676A9DFEA7F91A" box="[264,341,1679,1705]" pageId="20" pageNumber="21">AFEN</collectionCode>
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1996 Stn 53713#2, one early prep. male?; 53758#1, one neuter; 53766#2, one mancaII, one neuter; 53770#2. one prep. male; 53821#1, one mancaIII; 53821#2, one mancaII, one early prep. male?; 53838#1, one mancaIII; 53899#1, one mancaII, one early prep. male?;
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<collectionCode id="AC9FAE68FFEEE4533F876B15FDC7F892" box="[488,565,1799,1825]" pageId="20" pageNumber="21">AFEN</collectionCode>
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1998 Stn 54549#1, one mancaII, (
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<collectionCode id="AC9FAE68FFEEE4533DB16B15FBC6F892" box="[990,1076,1799,1825]" pageId="20" pageNumber="21">NMSZ</collectionCode>
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:1999.218.1758); Stn 54550#3, one mancaIII, one prep. male; DTI 2000 Stn 55265#1, one mancaII; 55282#2, one prep. male; 55283#1, one mancaII; 55286#1, one early prep. male?; 55292#1,2, one mancaIII; 55302#1, two mancaeIII; 55308#1, one mancaIII, one neuter; 55324#1, one mancaII, one neuter, one early prep. male?; 55336#2, one mancaIII; 55338#1, one early prep. male?; 55339#1, one mancaII, one mancaIII, one neuter; 55342#2, one mancaIII; 55344#1, one early prep. male?; 55344#2, one mancaIII; 55349#1, one mancaII; 55350#1, one neuter; 55350#2, one neuter; 55372#2, one mancaII; 55358#2, one manca II; 55383#1, one mancaIII; 55386#1, one mancaII, one neuter?; 55396#1,2, one neuter; 55402#1,2, one mancaII; 55429#1, one early prep. male?; 55431#2,3, one mancaIII; 55433#1,2, one neuter; 55443#1,2, one mancaII; 55444#3,4, one mancaIII; 55450#1, one neuter; 55452#1, one mancaII; 55452#2, one mancaII, one mancaIII; 55453#1, two mancaeIII, one prep. male; 55454#1, one mancaII; (accession nos.
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<collectionCode id="AC9FAE68FFEFE4523F676EBEFEA9FD75" box="[264,347,684,710]" pageId="21" pageNumber="22">NMSZ</collectionCode>
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:2000.249.00090033 for DTI 2000); SEA4 Stn 57004#1&2, one mancaIII (
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<collectionCode id="AC9FAE68FFEFE4523F7F6EC6FE96FD5D" box="[272,356,724,750]" pageId="21" pageNumber="22">NMSZ</collectionCode>
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:2003.114.0037); 57006#1&2, one mancaIII, one neuter (
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<collectionCode id="AC9FAE68FFEFE4523A626EC6FB90FD5D" box="[1037,1122,724,750]" pageId="21" pageNumber="22">NMSZ</collectionCode>
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:2003.106.0180); 57008#13, one neuter, two prep. males, (
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<collectionCode id="AC9FAE68FFEFE4523C986EEEFCBEFCA5" box="[759,844,764,790]" pageId="21" pageNumber="22">NMSZ</collectionCode>
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:2003.106.0181); BIOICE Stn 2087, one early prep. male?; 2117, one mancaII; 2124, one mancaII; 2136, one prep. male; 2315, two mancaeII, one mancaIII, one neuter, one prep. male; 2317, two neuters; 2318, one early prep. male?; 2323, one prep. male; 2324, one mancaII, two mancaeIII, one neuter, one early prep. male?; 2364, one mancaII, one prep. male; 2591, one mancaII; 2655, two mancaeII, one mancaIII, one neuter.
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</paragraph>
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<paragraph id="CA3136ADFFEFE4523F576FFEFBC4FBB5" blockId="21.[264,1323,284,1870]" box="[312,1078,1004,1030]" pageId="21" pageNumber="22">Also seen BIOFAR Stns 172, two specimens; 722, one specimen.</paragraph>
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<paragraph id="CA3136ADFFEFE4523F576806FCFDFADD" blockId="21.[264,1323,284,1870]" pageId="21" pageNumber="22">
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<emphasis id="F8FAEABFFFEFE4523F576806FE14FB9D" bold="true" box="[312,486,1044,1070]" pageId="21" pageNumber="22">Redescription</emphasis>
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.
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<emphasis id="F8FAEABFFFEFE4523F926806FCAEFB9E" box="[509,860,1044,1069]" italics="true" pageId="21" pageNumber="22">Neuter/nonovigerous female</emphasis>
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. Body (
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<figureCitation id="52B52A28FFEFE4523DA26806FBEBFB9D" box="[973,1049,1044,1070]" captionStart="FIGURE 8" captionStartId="22.[264,367,1600,1624]" captionTargetBox="[426,1178,576,1578]" captionTargetId="figure@22.[388,1198,561,1598]" captionTargetPageId="22" captionText="FIGURE 8. Thorkelius latiremis. Nonovigerous female A, dorsal view; B, pleon, lateral view; C, antennule; D, antenna; E, labrum, ventral view; F – G, mandibles; H, maxillule; J, maxilla; K, cheliped. Scale bar 1 mm (A – B), 0.27 mm (C – D, K), 0.2 mm (E – J)." httpUri="https://zenodo.org/record/157884/files/figure.png" pageId="21" pageNumber="22">Fig. 8</figureCitation>
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A) slender, 8.5 times longer than broad. Length
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<quantity id="0D769B48FFEFE4523C3F682EFCF3FBE5" box="[592,769,1084,1110]" metricMagnitude="-3" metricUnit="m" metricValue="2.54" metricValueMax="2.88" metricValueMin="2.2" pageId="21" pageNumber="22" unit="mm" value="2.54" valueMax="2.88" valueMin="2.2">2.20–2.88 mm</quantity>
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. Cephalothorax comparatively small (13% of body length) and round, 0.9 times as long as broad; with concave caudal margin. Pereon over half of body length; pereonite1 trapezoidal, 0.44 times as long as broad, narrower caudally, with anterolateral setae; pereonites 2–6 weakly subhexagonal or subrectangular, 0.83, 0.9, 0.93, 0.96 and 0.78 times as long as broad respectively. Pleon (
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<figureCitation id="52B52A28FFEFE4523A3168CEFB51FB45" box="[1118,1187,1244,1270]" captionStart="FIGURE 8" captionStartId="22.[264,367,1600,1624]" captionTargetBox="[426,1178,576,1578]" captionTargetId="figure@22.[388,1198,561,1598]" captionTargetPageId="22" captionText="FIGURE 8. Thorkelius latiremis. Nonovigerous female A, dorsal view; B, pleon, lateral view; C, antennule; D, antenna; E, labrum, ventral view; F – G, mandibles; H, maxillule; J, maxilla; K, cheliped. Scale bar 1 mm (A – B), 0.27 mm (C – D, K), 0.2 mm (E – J)." httpUri="https://zenodo.org/record/157884/files/figure.png" pageId="21" pageNumber="22">Fig. 8</figureCitation>
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B) 19–23% of body length, with low rounded sternal processes, pleonite5 with one lateral seta each side. Pleotelson short, not much longer than preceding pleonite, round caudal margin with slightly concave apex, bearing several setae.
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</paragraph>
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<paragraph id="CA3136ADFFEFE4523F57696EFD97F91D" blockId="21.[264,1323,284,1870]" pageId="21" pageNumber="22">
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Antennule (
|
||
<figureCitation id="52B52A28FFEFE4523FAD696EFDFAFA25" box="[450,520,1404,1430]" captionStart="FIGURE 8" captionStartId="22.[264,367,1600,1624]" captionTargetBox="[426,1178,576,1578]" captionTargetId="figure@22.[388,1198,561,1598]" captionTargetPageId="22" captionText="FIGURE 8. Thorkelius latiremis. Nonovigerous female A, dorsal view; B, pleon, lateral view; C, antennule; D, antenna; E, labrum, ventral view; F – G, mandibles; H, maxillule; J, maxilla; K, cheliped. Scale bar 1 mm (A – B), 0.27 mm (C – D, K), 0.2 mm (E – J)." httpUri="https://zenodo.org/record/157884/files/figure.png" pageId="21" pageNumber="22">Fig. 8</figureCitation>
|
||
C) as long as cephalothorax, article1 40–45% of total length, twice as long as broad; article2 almost square in plan view; article3 twothirds length of article 2, almost square; article4 twice as long as article3, with five terminal setae and one aesthetasc; setation of antennule otherwise as figured. Antenna (
|
||
<figureCitation id="52B52A28FFEFE4523D8169E6FBC4F9BD" box="[1006,1078,1524,1550]" captionStart="FIGURE 8" captionStartId="22.[264,367,1600,1624]" captionTargetBox="[426,1178,576,1578]" captionTargetId="figure@22.[388,1198,561,1598]" captionTargetPageId="22" captionText="FIGURE 8. Thorkelius latiremis. Nonovigerous female A, dorsal view; B, pleon, lateral view; C, antennule; D, antenna; E, labrum, ventral view; F – G, mandibles; H, maxillule; J, maxilla; K, cheliped. Scale bar 1 mm (A – B), 0.27 mm (C – D, K), 0.2 mm (E – J)." httpUri="https://zenodo.org/record/157884/files/figure.png" pageId="21" pageNumber="22">Fig. 8</figureCitation>
|
||
D) more than threequarters length of antennule; articles 1–3 similar in length, about as long as deep, articles 2 and 3 with dorsal seta; article4 more than four times longer than broad, with distal setae and sensory setae; article5 about half length of article4, with long distal seta; article6 small, with six terminal setae.
|
||
</paragraph>
|
||
<paragraph id="CA3136ADFFEFE4513F576AAEFD49FE65" blockId="21.[264,1323,284,1870]" lastBlockId="22.[264,1323,284,470]" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22">
|
||
Labrum (
|
||
<figureCitation id="52B52A28FFEFE4523FC86AAEFE1CF965" box="[423,494,1724,1750]" captionStart="FIGURE 8" captionStartId="22.[264,367,1600,1624]" captionTargetBox="[426,1178,576,1578]" captionTargetId="figure@22.[388,1198,561,1598]" captionTargetPageId="22" captionText="FIGURE 8. Thorkelius latiremis. Nonovigerous female A, dorsal view; B, pleon, lateral view; C, antennule; D, antenna; E, labrum, ventral view; F – G, mandibles; H, maxillule; J, maxilla; K, cheliped. Scale bar 1 mm (A – B), 0.27 mm (C – D, K), 0.2 mm (E – J)." httpUri="https://zenodo.org/record/157884/files/figure.png" pageId="21" pageNumber="22">Fig. 8</figureCitation>
|
||
E) broadly conical with setose distal margin. Mandible (
|
||
<figureCitation id="52B52A28FFEFE4523AF66AAEFB19F965" box="[1177,1259,1724,1750]" captionStart="FIGURE 8" captionStartId="22.[264,367,1600,1624]" captionTargetBox="[426,1178,576,1578]" captionTargetId="figure@22.[388,1198,561,1598]" captionTargetPageId="22" captionText="FIGURE 8. Thorkelius latiremis. Nonovigerous female A, dorsal view; B, pleon, lateral view; C, antennule; D, antenna; E, labrum, ventral view; F – G, mandibles; H, maxillule; J, maxilla; K, cheliped. Scale bar 1 mm (A – B), 0.27 mm (C – D, K), 0.2 mm (E – J)." httpUri="https://zenodo.org/record/157884/files/figure.png" pageId="21" pageNumber="22">Figs. 8</figureCitation>
|
||
F–G) incisor process a thin plate supported by a thickened ridge. Maxillule endite (
|
||
<figureCitation id="52B52A28FFEFE4523AFF6AF6FB3EF94D" box="[1168,1228,1764,1790]" captionStart="FIGURE 8" captionStartId="22.[264,367,1600,1624]" captionTargetBox="[426,1178,576,1578]" captionTargetId="figure@22.[388,1198,561,1598]" captionTargetPageId="22" captionText="FIGURE 8. Thorkelius latiremis. Nonovigerous female A, dorsal view; B, pleon, lateral view; C, antennule; D, antenna; E, labrum, ventral view; F – G, mandibles; H, maxillule; J, maxilla; K, cheliped. Scale bar 1 mm (A – B), 0.27 mm (C – D, K), 0.2 mm (E – J)." httpUri="https://zenodo.org/record/157884/files/figure.png" pageId="21" pageNumber="22">Fig.8</figureCitation>
|
||
H) with five (or six?) unequal terminal setae, palp with two terminal setae. Maxilla (
|
||
<figureCitation id="52B52A28FFEFE4523AE76B1EFB3CF895" box="[1160,1230,1804,1830]" captionStart="FIGURE 8" captionStartId="22.[264,367,1600,1624]" captionTargetBox="[426,1178,576,1578]" captionTargetId="figure@22.[388,1198,561,1598]" captionTargetPageId="22" captionText="FIGURE 8. Thorkelius latiremis. Nonovigerous female A, dorsal view; B, pleon, lateral view; C, antennule; D, antenna; E, labrum, ventral view; F – G, mandibles; H, maxillule; J, maxilla; K, cheliped. Scale bar 1 mm (A – B), 0.27 mm (C – D, K), 0.2 mm (E – J)." httpUri="https://zenodo.org/record/157884/files/figure.png" pageId="21" pageNumber="22">Fig. 8</figureCitation>
|
||
J) small and ovoid. Maxilliped (
|
||
<figureCitation id="52B52A28FFEFE4523C4D6B26FD9BF8FD" box="[546,617,1844,1870]" captionStart="FIGURE 9" captionStartId="23.[264,368,1624,1648]" captionTargetBox="[409,1177,562,1598]" captionTargetId="figure@23.[388,1198,545,1613]" captionTargetPageId="23" captionText="FIGURE 9. Thorkelius latiremis. Nonovigerous female A, maxilliped; B, anterior of cheliped propodus and dactylus; C – H, pereopods 1 – 6 respectively; J, pleopod; K, uropod. Scale bar 0.27 mm (A – K)." httpUri="https://zenodo.org/record/157885/files/figure.png" pageId="21" pageNumber="22">Fig. 9</figureCitation>
|
||
A) bases and endites together cardiform, bases each with a long seta near articulation with palp; endite with distomedial seta and distolateral rounded process; palps relatively large, article1 without setae, article2 broad, with two inner setae, article3 longer than broad, with inner row of four long setae, with smaller seta inserted on dorsal aspect; article4 subrectangular, three times longer than broad, with four long setae and a weaker, shorter seta.
|
||
</paragraph>
|
||
<caption id="9EF16625FFECE4513F676A52FC5EF92E" httpUri="https://zenodo.org/record/157884/files/figure.png" pageId="22" pageNumber="23" targetBox="[426,1178,576,1578]" targetPageId="22">
|
||
<paragraph id="CA3136ADFFECE4513F676A52FC5EF92E" blockId="22.[264,1323,1600,1693]" pageId="22" pageNumber="23">
|
||
<emphasis id="F8FAEABFFFECE4513F676A52FE78F9EB" bold="true" box="[264,394,1600,1624]" pageId="22" pageNumber="23">FIGURE 8.</emphasis>
|
||
<emphasis id="F8FAEABFFFECE4513FFC6A53FD83F9EB" box="[403,625,1601,1624]" italics="true" pageId="22" pageNumber="23">
|
||
<taxonomicName id="0D8E4D2EFFECE4513FFC6A53FD9FF9EB" box="[403,621,1601,1624]" class="Malacostraca" family="Anarthruridae" genus="Thorkelius" kingdom="Animalia" order="Tanaidacea" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="latiremis">Thorkelius latiremis</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
Nonovigerous female A, dorsal view; B, pleon, lateral view; C, antennule; D, antenna; E, labrum, ventral view; F–G, mandibles; H, maxillule; J, maxilla; K, cheliped. Scale bar 1mm (A–B), 0.27 mm (C–D,K), 0.2 mm (E–J).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="CA3136ADFFECE4503F576AFCFCAAFE4D" blockId="22.[264,1323,1774,1880]" lastBlockId="23.[264,1323,284,510]" lastPageId="23" lastPageNumber="24" pageId="22" pageNumber="23">
|
||
Cheliped (
|
||
<figureCitation id="52B52A28FFECE4513FDE6AFCFE07F8BB" box="[433,501,1774,1800]" captionStart="FIGURE 8" captionStartId="22.[264,367,1600,1624]" captionTargetBox="[426,1178,576,1578]" captionTargetId="figure@22.[388,1198,561,1598]" captionTargetPageId="22" captionText="FIGURE 8. Thorkelius latiremis. Nonovigerous female A, dorsal view; B, pleon, lateral view; C, antennule; D, antenna; E, labrum, ventral view; F – G, mandibles; H, maxillule; J, maxilla; K, cheliped. Scale bar 1 mm (A – B), 0.27 mm (C – D, K), 0.2 mm (E – J)." httpUri="https://zenodo.org/record/157884/files/figure.png" pageId="22" pageNumber="23">Fig. 8</figureCitation>
|
||
K) typical of family, stout and with surface ornamentation of microtrichia; basis about half length of large pseudocoxa, with long dorsolateral seta; merus 1.3 times longer than broad, with ventral seta; carpus very broad, with dorsal margin about three times longer than ventral, these each with two setae; propodus larger than carpus, 1.75 times longer than broad, with one large seta on anterior surface distal to a shallow ridge (
|
||
<figureCitation id="52B52A28FFEDE4503F3A6D7EFE6FFE35" box="[341,413,364,390]" captionStart="FIGURE 9" captionStartId="23.[264,368,1624,1648]" captionTargetBox="[409,1177,562,1598]" captionTargetId="figure@23.[388,1198,545,1613]" captionTargetPageId="23" captionText="FIGURE 9. Thorkelius latiremis. Nonovigerous female A, maxilliped; B, anterior of cheliped propodus and dactylus; C – H, pereopods 1 – 6 respectively; J, pleopod; K, uropod. Scale bar 0.27 mm (A – K)." httpUri="https://zenodo.org/record/157885/files/figure.png" pageId="23" pageNumber="24">Fig. 9</figureCitation>
|
||
B); fixed finger with two ventral setae, one seta near articulation with dactylus, incisive margin strongly convex with about six teeth and three associated setae; distal spine strong and triangular; dactylus crescentic, with strong anterior seta and small rounded process bearing a seta on incisive margin.
|
||
</paragraph>
|
||
<caption id="9EF16625FFEDE4503F676A4AFEA6F906" httpUri="https://zenodo.org/record/157885/files/figure.png" pageId="23" pageNumber="24" targetBox="[409,1177,562,1598]" targetPageId="23">
|
||
<paragraph id="CA3136ADFFEDE4503F676A4AFEA6F906" blockId="23.[264,1323,1624,1717]" pageId="23" pageNumber="24">
|
||
<emphasis id="F8FAEABFFFEDE4503F676A4AFE79F9C3" bold="true" box="[264,395,1624,1648]" pageId="23" pageNumber="24">FIGURE 9.</emphasis>
|
||
<emphasis id="F8FAEABFFFEDE4503FFF6A4BFD9CF9C3" box="[400,622,1625,1648]" italics="true" pageId="23" pageNumber="24">
|
||
<taxonomicName id="0D8E4D2EFFEDE4503FFF6A4BFD98F9C3" box="[400,618,1625,1648]" class="Malacostraca" family="Anarthruridae" genus="Thorkelius" kingdom="Animalia" order="Tanaidacea" pageId="23" pageNumber="24" phylum="Arthropoda" rank="species" species="latiremis">Thorkelius latiremis</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
Nonovigerous female A, maxilliped; B, anterior of cheliped propodus and dactylus; C–H, pereopods 1–6 respectively; J, pleopod; K, uropod. Scale bar 0.27 mm (A–K).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="CA3136ADFFEDE45F3F576AF1FAFBFE15" blockId="23.[264,1323,1763,1901]" lastBlockId="24.[264,1324,284,1867]" lastPageId="24" lastPageNumber="25" pageId="23" pageNumber="24">
|
||
Pereopods 1–3 similar, but pereopod1 largest. Pereopod1 (
|
||
<figureCitation id="52B52A28FFEDE4503A766AF1FB96F94E" box="[1049,1124,1763,1789]" captionStart="FIGURE 9" captionStartId="23.[264,368,1624,1648]" captionTargetBox="[409,1177,562,1598]" captionTargetId="figure@23.[388,1198,545,1613]" captionTargetPageId="23" captionText="FIGURE 9. Thorkelius latiremis. Nonovigerous female A, maxilliped; B, anterior of cheliped propodus and dactylus; C – H, pereopods 1 – 6 respectively; J, pleopod; K, uropod. Scale bar 0.27 mm (A – K)." httpUri="https://zenodo.org/record/157885/files/figure.png" pageId="23" pageNumber="24">Fig. 9</figureCitation>
|
||
C) basis curved; ischium small, with seta; merus longer than carpus, with two unequal ventral setae; carpus rectangular, 1.7 times longer than broad, with three distal setae; propodus subrectangular, 3.3 times longer than broad and 1.5 times longer than carpus, with strong distoventral seta; dactylus and unguis together longer than propodus, dactylus with distal seta. Pereopod2 (
|
||
<figureCitation id="52B52A28FFE2E45F3F7E6D53FEA5FEE8" box="[273,343,321,347]" captionStart="FIGURE 9" captionStartId="23.[264,368,1624,1648]" captionTargetBox="[409,1177,562,1598]" captionTargetId="figure@23.[388,1198,545,1613]" captionTargetPageId="23" captionText="FIGURE 9. Thorkelius latiremis. Nonovigerous female A, maxilliped; B, anterior of cheliped propodus and dactylus; C – H, pereopods 1 – 6 respectively; J, pleopod; K, uropod. Scale bar 0.27 mm (A – K)." httpUri="https://zenodo.org/record/157885/files/figure.png" pageId="24" pageNumber="25">Fig. 9</figureCitation>
|
||
D) with shorter basis; merus shorter, as long as carpus; propodus 2.6 times longer than broad; dactylus and unguis as long as propodus; setation as for pereopod1. Pereopod 3 (
|
||
<figureCitation id="52B52A28FFE2E45F3F486D9EFE9EFE15" box="[295,364,396,422]" captionStart="FIGURE 9" captionStartId="23.[264,368,1624,1648]" captionTargetBox="[409,1177,562,1598]" captionTargetId="figure@23.[388,1198,545,1613]" captionTargetPageId="23" captionText="FIGURE 9. Thorkelius latiremis. Nonovigerous female A, maxilliped; B, anterior of cheliped propodus and dactylus; C – H, pereopods 1 – 6 respectively; J, pleopod; K, uropod. Scale bar 0.27 mm (A – K)." httpUri="https://zenodo.org/record/157885/files/figure.png" pageId="24" pageNumber="25">Fig. 9</figureCitation>
|
||
E) as pereopod2 but with proportionately shorter merus, carpus and propodus.
|
||
</paragraph>
|
||
<paragraph id="CA3136ADFFE2E45F3F576DA3FC62FD50" blockId="24.[264,1324,284,1867]" pageId="24" pageNumber="25">
|
||
Pereopods 4–5 (
|
||
<figureCitation id="52B52A28FFE2E45F3F966DA3FDBEFE78" box="[505,588,433,459]" captionStart="FIGURE 9" captionStartId="23.[264,368,1624,1648]" captionTargetBox="[409,1177,562,1598]" captionTargetId="figure@23.[388,1198,545,1613]" captionTargetPageId="23" captionText="FIGURE 9. Thorkelius latiremis. Nonovigerous female A, maxilliped; B, anterior of cheliped propodus and dactylus; C – H, pereopods 1 – 6 respectively; J, pleopod; K, uropod. Scale bar 0.27 mm (A – K)." httpUri="https://zenodo.org/record/157885/files/figure.png" pageId="24" pageNumber="25">Figs. 9</figureCitation>
|
||
F–G) basis broader than pereopods 1–3, 2.7–2.8 times longer than broad, with sensory seta; ischium with one seta; merus curved, shorter than carpus, with two strong ventral setae; carpus subrectangular, 1.8 times longer than broad, with three spiniform distal setae and one dorsodistal seta; propodus 1.2 times longer than carpus, subrectangular, with three strong distal setae; dactylus and unguis about half length of propodus, unguis short, with minutely hooked tip. Pereopod6 (
|
||
<figureCitation id="52B52A28FFE2E45F3D806E6BFBC6FD20" box="[1007,1076,633,659]" captionStart="FIGURE 9" captionStartId="23.[264,368,1624,1648]" captionTargetBox="[409,1177,562,1598]" captionTargetId="figure@23.[388,1198,545,1613]" captionTargetPageId="23" captionText="FIGURE 9. Thorkelius latiremis. Nonovigerous female A, maxilliped; B, anterior of cheliped propodus and dactylus; C – H, pereopods 1 – 6 respectively; J, pleopod; K, uropod. Scale bar 0.27 mm (A – K)." httpUri="https://zenodo.org/record/157885/files/figure.png" pageId="24" pageNumber="25">Fig. 9</figureCitation>
|
||
H) as pereopod5 but basis stouter, 2.5 times longer than broad, propodus with additional distal seta and dactylus/unguis only just over one third as long as propodus.
|
||
</paragraph>
|
||
<paragraph id="CA3136ADFFE2E45F3F576EE3FC56FCE8" blockId="24.[264,1324,284,1867]" pageId="24" pageNumber="25">
|
||
Pleopod (
|
||
<figureCitation id="52B52A28FFE2E45F3FC56EE3FE00FCB8" box="[426,498,753,779]" captionStart="FIGURE 9" captionStartId="23.[264,368,1624,1648]" captionTargetBox="[409,1177,562,1598]" captionTargetId="figure@23.[388,1198,545,1613]" captionTargetPageId="23" captionText="FIGURE 9. Thorkelius latiremis. Nonovigerous female A, maxilliped; B, anterior of cheliped propodus and dactylus; C – H, pereopods 1 – 6 respectively; J, pleopod; K, uropod. Scale bar 0.27 mm (A – K)." httpUri="https://zenodo.org/record/157885/files/figure.png" pageId="24" pageNumber="25">Fig. 9</figureCitation>
|
||
J) with small article preceding main basal article, the latter relatively large in comparison to the rami; endopod 2.5 times longer than broad, with five terminal plumose setae; exopod longer, with seven terminal setae.
|
||
</paragraph>
|
||
<paragraph id="CA3136ADFFE2E45F3F576F7BFB96FC60" blockId="24.[264,1324,284,1867]" pageId="24" pageNumber="25">
|
||
Uropod (
|
||
<figureCitation id="52B52A28FFE2E45F3FC86F7BFE03FC30" box="[423,497,873,899]" captionStart="FIGURE 9" captionStartId="23.[264,368,1624,1648]" captionTargetBox="[409,1177,562,1598]" captionTargetId="figure@23.[388,1198,545,1613]" captionTargetPageId="23" captionText="FIGURE 9. Thorkelius latiremis. Nonovigerous female A, maxilliped; B, anterior of cheliped propodus and dactylus; C – H, pereopods 1 – 6 respectively; J, pleopod; K, uropod. Scale bar 0.27 mm (A – K)." httpUri="https://zenodo.org/record/157885/files/figure.png" pageId="24" pageNumber="25">Fig. 9</figureCitation>
|
||
K) often largely beneath pleotelson, but as long. Basal article half length of endopod, with short exopod bearing three terminal setae; endopod about four times longer than broad, with four long terminal setae and one weak seta.
|
||
</paragraph>
|
||
<paragraph id="CA3136ADFFE2E45F3F576FF3FD5EFBC0" blockId="24.[264,1324,284,1867]" pageId="24" pageNumber="25">
|
||
<emphasis id="F8FAEABFFFE2E45F3F576FF3FE54FC49" box="[312,422,993,1018]" italics="true" pageId="24" pageNumber="25">MancaII</emphasis>
|
||
. Body (
|
||
<figureCitation id="52B52A28FFE2E45F3C6C6FF3FDA4FC48" box="[515,598,993,1019]" captionStart="FIGURE 10" captionStartId="25.[264,368,1517,1541]" captionTargetBox="[419,1159,429,1460]" captionTargetId="figure@25.[388,1198,409,1491]" captionTargetPageId="25" captionText="FIGURE 10. Thorkelius latiremis. MancaII A, dorsal; B, posterior abdomen, lateral; mancaIII C, dorsal; D, posterior abdomen, lateral; preparatory male E, dorsal; F, antennule; G, pleopod. Scale bar 1 mm (A – E), 0.27 mm (F – G)." httpUri="https://zenodo.org/record/157886/files/figure.png" pageId="24" pageNumber="25">Fig. 10</figureCitation>
|
||
A) generally similar to neuter but with shorter and more angular pereonites 2–5 and very short pereonite6; pleon (
|
||
<figureCitation id="52B52A28FFE2E45F3DEE681BFC24FB90" box="[897,982,1033,1059]" captionStart="FIGURE 10" captionStartId="25.[264,368,1517,1541]" captionTargetBox="[419,1159,429,1460]" captionTargetId="figure@25.[388,1198,409,1491]" captionTargetPageId="25" captionText="FIGURE 10. Thorkelius latiremis. MancaII A, dorsal; B, posterior abdomen, lateral; mancaIII C, dorsal; D, posterior abdomen, lateral; preparatory male E, dorsal; F, antennule; G, pleopod. Scale bar 1 mm (A – E), 0.27 mm (F – G)." httpUri="https://zenodo.org/record/157886/files/figure.png" pageId="24" pageNumber="25">Fig. 10</figureCitation>
|
||
B) only 14.2–18.0% of body length; chela slightly more gracile and with only one ventral seta; pereopod6 and pleopods absent. Length
|
||
<quantity id="0D769B48FFE2E45F3F94684BFD5BFBC0" box="[507,681,1113,1139]" metricMagnitude="-3" metricUnit="m" metricValue="1.77" metricValueMax="2.11" metricValueMin="1.43" pageId="24" pageNumber="25" unit="mm" value="1.77" valueMax="2.11" valueMin="1.43">1.43–2.11 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="82946526FFE2E45F3F576893FC65FA68" pageId="24" pageNumber="25" type="description">
|
||
<paragraph id="CA3136ADFFE2E45F3F576893FCDBFB58" blockId="24.[264,1324,284,1867]" pageId="24" pageNumber="25">
|
||
<emphasis id="F8FAEABFFFE2E45F3F576893FE42FB29" box="[312,432,1153,1178]" italics="true" pageId="24" pageNumber="25">MancaIII</emphasis>
|
||
. Body (
|
||
<figureCitation id="52B52A28FFE2E45F3C7E6893FD94FB28" box="[529,614,1153,1179]" captionStart="FIGURE 10" captionStartId="25.[264,368,1517,1541]" captionTargetBox="[419,1159,429,1460]" captionTargetId="figure@25.[388,1198,409,1491]" captionTargetPageId="25" captionText="FIGURE 10. Thorkelius latiremis. MancaII A, dorsal; B, posterior abdomen, lateral; mancaIII C, dorsal; D, posterior abdomen, lateral; preparatory male E, dorsal; F, antennule; G, pleopod. Scale bar 1 mm (A – E), 0.27 mm (F – G)." httpUri="https://zenodo.org/record/157886/files/figure.png" pageId="24" pageNumber="25">Fig. 10</figureCitation>
|
||
C) generally similar to mancaII but with longer pereonites; pleon (
|
||
<figureCitation id="52B52A28FFE2E45F3F3568BBFE5DFB70" box="[346,431,1193,1219]" captionStart="FIGURE 10" captionStartId="25.[264,368,1517,1541]" captionTargetBox="[419,1159,429,1460]" captionTargetId="figure@25.[388,1198,409,1491]" captionTargetPageId="25" captionText="FIGURE 10. Thorkelius latiremis. MancaII A, dorsal; B, posterior abdomen, lateral; mancaIII C, dorsal; D, posterior abdomen, lateral; preparatory male E, dorsal; F, antennule; G, pleopod. Scale bar 1 mm (A – E), 0.27 mm (F – G)." httpUri="https://zenodo.org/record/157886/files/figure.png" pageId="24" pageNumber="25">Fig. 10</figureCitation>
|
||
D) 17.6–21.7% of body length; pereopods6 and pleopods present but rudimentary, lacking setae. Length
|
||
<quantity id="0D769B48FFE2E45F3C1868C3FCD7FB58" box="[631,805,1233,1259]" metricMagnitude="-3" metricUnit="m" metricValue="2.26" metricValueMax="2.47" metricValueMin="2.05" pageId="24" pageNumber="25" unit="mm" value="2.26" valueMax="2.47" valueMin="2.05">2.05–2.47 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="CA3136ADFFE2E45F3F5768EBFCD2FA88" blockId="24.[264,1324,284,1867]" pageId="24" pageNumber="25">
|
||
<emphasis id="F8FAEABFFFE2E45F3F5768EBFD76FAA1" box="[312,644,1273,1298]" italics="true" pageId="24" pageNumber="25">Early preparatory male (?)</emphasis>
|
||
. As neuter but antennules slightly thicker; pleon 20.5– 24.2% of body length. Length
|
||
<quantity id="0D769B48FFE2E45F3C016933FCEFFA88" box="[622,797,1313,1339]" metricMagnitude="-3" metricUnit="m" metricValue="2.65" metricValueMax="3.15" metricValueMin="2.15" pageId="24" pageNumber="25" unit="mm" value="2.65" valueMax="3.15" valueMin="2.15">2.15–3.15 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="CA3136ADFFE2E45F3F57695BFC65FA68" blockId="24.[264,1324,284,1867]" pageId="24" pageNumber="25">
|
||
<emphasis id="F8FAEABFFFE2E45F3F57695BFDF9FAD1" box="[312,523,1353,1378]" italics="true" pageId="24" pageNumber="25">Preparatory male</emphasis>
|
||
. Body (
|
||
<figureCitation id="52B52A28FFE2E45F3C1E695BFD3BFAD0" box="[625,713,1353,1379]" captionStart="FIGURE 10" captionStartId="25.[264,368,1517,1541]" captionTargetBox="[419,1159,429,1460]" captionTargetId="figure@25.[388,1198,409,1491]" captionTargetPageId="25" captionText="FIGURE 10. Thorkelius latiremis. MancaII A, dorsal; B, posterior abdomen, lateral; mancaIII C, dorsal; D, posterior abdomen, lateral; preparatory male E, dorsal; F, antennule; G, pleopod. Scale bar 1 mm (A – E), 0.27 mm (F – G)." httpUri="https://zenodo.org/record/157886/files/figure.png" pageId="24" pageNumber="25">Fig. 10</figureCitation>
|
||
E) generally similar to neuter but antennules (
|
||
<figureCitation id="52B52A28FFE2E45F3A93695BFED7FA38" captionStart="FIGURE 10" captionStartId="25.[264,368,1517,1541]" captionTargetBox="[419,1159,429,1460]" captionTargetId="figure@25.[388,1198,409,1491]" captionTargetPageId="25" captionText="FIGURE 10. Thorkelius latiremis. MancaII A, dorsal; B, posterior abdomen, lateral; mancaIII C, dorsal; D, posterior abdomen, lateral; preparatory male E, dorsal; F, antennule; G, pleopod. Scale bar 1 mm (A – E), 0.27 mm (F – G)." httpUri="https://zenodo.org/record/157886/files/figure.png" pageId="24" pageNumber="25">Fig. 10</figureCitation>
|
||
F) thicker and pleon better developed (23.3–26.4% of body length); pleopod (
|
||
<figureCitation id="52B52A28FFE2E45F3AD86963FAFEFA38" box="[1207,1292,1393,1419]" captionStart="FIGURE 10" captionStartId="25.[264,368,1517,1541]" captionTargetBox="[419,1159,429,1460]" captionTargetId="figure@25.[388,1198,409,1491]" captionTargetPageId="25" captionText="FIGURE 10. Thorkelius latiremis. MancaII A, dorsal; B, posterior abdomen, lateral; mancaIII C, dorsal; D, posterior abdomen, lateral; preparatory male E, dorsal; F, antennule; G, pleopod. Scale bar 1 mm (A – E), 0.27 mm (F – G)." httpUri="https://zenodo.org/record/157886/files/figure.png" pageId="24" pageNumber="25">Fig. 10</figureCitation>
|
||
G) rami larger than in neuter, with more numerous terminal setae, endopod and exopod with about eight and ten respectively. Length
|
||
<quantity id="0D769B48FFE2E45F3C8B69D3FC61FA68" box="[740,915,1473,1499]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="2.85" metricValueMin="2.15" pageId="24" pageNumber="25" unit="mm" value="2.5" valueMax="2.85" valueMin="2.15">2.15–2.85 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="82946526FFE2E45E3F5769FBFC7FF8D3" lastPageId="25" lastPageNumber="26" pageId="24" pageNumber="25" type="discussion">
|
||
<paragraph id="CA3136ADFFE2E45E3F5769FBFE2DFEED" blockId="24.[264,1324,284,1867]" lastBlockId="25.[264,1323,284,350]" lastPageId="25" lastPageNumber="26" pageId="24" pageNumber="25">
|
||
<emphasis id="F8FAEABFFFE2E45F3F5769FBFE58F9B0" bold="true" box="[312,426,1513,1539]" pageId="24" pageNumber="25">Remarks</emphasis>
|
||
. Including those of
|
||
<bibRefCitation id="AE1F4B5CFFE2E45F3CCA69FBFCABF9B0" author="Hansen" box="[677,857,1513,1539]" pageId="24" pageNumber="43" refString="Hansen, H. J. (1913) Crustacea Malacostraca, II, IV, The order Tanaidacea. Danish Ingolf Expedition, 3 (3), 1 - 145." type="journal article" year="1913">Hansen (1913)</bibRefCitation>
|
||
, there are over sixty records from the
|
||
<collectingCountry id="B299763DFFE2E45F3F676A03FE87F998" box="[264,373,1553,1579]" name="Denmark" pageId="24" pageNumber="25">Denmark</collectingCountry>
|
||
Strait,
|
||
<collectingCountry id="B299763DFFE2E45F3FA36A03FDD0F998" box="[460,546,1553,1579]" name="Iceland" pageId="24" pageNumber="25">Iceland</collectingCountry>
|
||
Plateau, Kolbeinsey Ridge, IcelandFaeroe Rise (northern flank), Wyville Thomson Ridge (northern flank), Faeroe Bank Channel, and FaeroeShetland Channel, at depths
|
||
<quantity id="0D769B48FFE2E45F3F816A73FD74F9C8" box="[494,646,1633,1659]" metricMagnitude="2" metricUnit="m" metricValue="8.44" metricValueMax="13.55" metricValueMin="3.3299999999999996" pageId="24" pageNumber="25" unit="m" value="844.0" valueMax="1355.0" valueMin="333.0">333–1355 m</quantity>
|
||
; the shallowest locality on the eastern margin of the last area (=West
|
||
<collectingCountry id="B299763DFFE2E45F3FCD6A9BFDFBF910" box="[418,521,1673,1699]" name="United Kingdom" pageId="24" pageNumber="25">Shetland</collectingCountry>
|
||
Slope) is at
|
||
<specimenCount id="DC88FD24FFE2E45F3CC66A9BFD0DF910" box="[681,767,1673,1699]" pageId="24" pageNumber="25" type="generic">
|
||
<quantity id="0D769B48FFE2E45F3CC66A9BFD08F910" box="[681,762,1673,1699]" metricMagnitude="2" metricUnit="m" metricValue="4.34" pageId="24" pageNumber="25" unit="m" value="434.0">434 m</quantity>
|
||
.
|
||
</specimenCount>
|
||
Available bottom temperature data indicate a range from 1o C to 2o C and sediment
|
||
<typeStatus id="1535880FFFE2E45F3CBB6AABFCE0F960" box="[724,786,1721,1747]" pageId="24" pageNumber="25">types</typeStatus>
|
||
‘gravelly muddy sand’ through to ‘very fine sand’ and ‘silt’ (‘ooze’). It is a relatively common bathyal or upper slope species, largely characterising the Norwegian Sea Deep Water but has not been recorded from abyssal depths (>
|
||
<quantity id="0D769B48FFE2E45F3F1B6B23FE22F8F8" box="[372,464,1841,1867]" metricMagnitude="3" metricUnit="m" metricValue="2.0" pageId="24" pageNumber="25" unit="m" value="2000.0">2000 m</quantity>
|
||
) during the ‘NORBI’ expedition (own observations). It is sympatric with the scarcer
|
||
<taxonomicName id="0D8E4D2EFFE3E45E3FFB6D0EFD74FE86" box="[404,646,284,309]" class="Malacostraca" family="Anarthruridae" genus="Ithyomus" kingdom="Animalia" order="Tanaidacea" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="conopygus">
|
||
<emphasis id="F8FAEABFFFE3E45E3FFB6D0EFD74FE86" box="[404,646,284,309]" italics="true" pageId="25" pageNumber="26">Ithyomus conopygus</emphasis>
|
||
</taxonomicName>
|
||
gen. et sp. nov. at deeper levels, at least in the Faeroe
|
||
<collectingCountry id="B299763DFFE3E45E3F676D56FE9CFEED" box="[264,366,324,350]" name="United Kingdom" pageId="25" pageNumber="26">Shetland</collectingCountry>
|
||
Channel.
|
||
</paragraph>
|
||
<caption id="9EF16625FFE3E45E3F6769FFFD9EF9F9" httpUri="https://zenodo.org/record/157886/files/figure.png" pageId="25" pageNumber="26" targetBox="[419,1159,429,1460]" targetPageId="25">
|
||
<paragraph id="CA3136ADFFE3E45E3F6769FFFD9EF9F9" blockId="25.[264,1324,1517,1610]" pageId="25" pageNumber="26">
|
||
<emphasis id="F8FAEABFFFE3E45E3F6769FFFE6AF9B6" bold="true" box="[264,408,1517,1541]" pageId="25" pageNumber="26">FIGURE 10.</emphasis>
|
||
<emphasis id="F8FAEABFFFE3E45E3FF069FCFD8FF9B6" box="[415,637,1518,1541]" italics="true" pageId="25" pageNumber="26">
|
||
<taxonomicName id="0D8E4D2EFFE3E45E3FF069FCFD8BF9B6" box="[415,633,1518,1541]" class="Malacostraca" family="Anarthruridae" genus="Thorkelius" kingdom="Animalia" order="Tanaidacea" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="latiremis">Thorkelius latiremis</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
MancaII A, dorsal; B, posterior abdomen, lateral; mancaIII C, dorsal; D, posterior abdomen, lateral; preparatory male E, dorsal; F, antennule; G, pleopod. Scale bar 1mm (A–E), 0.27 mm (F–G).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="CA3136ADFFE3E45E3F576AB4FC7FF8D3" blockId="25.[264,1323,1702,1888]" pageId="25" pageNumber="26">A large proportion (55%) of material is of mancae. The predominance of samples from MaySeptember suggests that breeding, or at least release of the brood from the marsupium occurs a short time previously, i.e. early spring or late winter. Growth in this species is primarily through elongation of the pereonites and pleon, with the cephalothorax of mancae no smaller than neuters and preparatory males.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |