351 lines
50 KiB
XML
351 lines
50 KiB
XML
<document id="1083D9E8FEDCF423D546D229210A63E9" ID-DOI="10.5281/zenodo.178698" ID-GBIF-Dataset="4752b142-888a-44bf-b0a3-210a24ff581a" ID-ISSN="1175-5326" ID-Zenodo-Dep="178698" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459905169358" checkinUser="plazi" docAuthor="Bird, Graham J." docDate="2007" docId="039C7342FF92757A48F7FF661D20F85B" docLanguage="en" docName="zt01599p085.pdf" docOrigin="Zootaxa 1599" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Siphonolabrum tenebrosus Bird, 2007, n.sp." docType="treatment" docVersion="16" lastPageNumber="68" masterDocId="FFA50B3AFF96757D4860FFF11E51FFCB" masterDocTitle="Leptognathiidae Sieg, 1976 *" masterLastPageNumber="85" masterPageNumber="61" pageNumber="65" updateTime="1698229002911" updateUser="plazi">
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<mods:mods id="B3929DD56B414871FEBC7B37AE2C4A2C" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="41E0FAEDE575146D04928213422484DC">
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<mods:title id="F392093A72F09640CD873419AA04F5D4">Leptognathiidae Sieg, 1976 *</mods:title>
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</mods:titleInfo>
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<mods:name id="94EBD8B4C2FC93C51266217815D54EE8" type="personal">
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<mods:role id="DEAC855FEFFF9351867A7F50CA454134">
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<mods:roleTerm id="072EE31C44FFF84BD438D723D216593C">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="D67F456B0A437D29C4143AFAB6D9B9A4">Bird, Graham J.</mods:namePart>
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<mods:typeOfResource id="B91D5FCB0F3956BBE8BFF204EFC69C7C">text</mods:typeOfResource>
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<mods:title id="F972587B5E9FDE0BF8A018573CB52CD7">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="AECF06C7E30D226E9FD498B4035B8784">
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<mods:date id="B4EFB5C480482F767E18A31019E1E25C">2007</mods:date>
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<mods:detail id="909FBE2A34CEC6A1F4676F3250151829" type="volume">
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<mods:number id="6CFC1F26000F6E076853A16712766DD7">1599</mods:number>
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<mods:start id="F7A238BB3CF61B75CE9303948254B8D0">61</mods:start>
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<mods:end id="2B3301BD15132A20B28BE9E2104A5F41">85</mods:end>
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<mods:classification id="5700B813F21294976031C2F30ADD5843">journal article</mods:classification>
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<mods:identifier id="802D0FA9A5C787C2CD20520B28DA3101" type="DOI">10.5281/zenodo.178698</mods:identifier>
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<mods:identifier id="78FE6A35D2FDA2123AAFFB9AFD8F210B" type="GBIF-Dataset">4752b142-888a-44bf-b0a3-210a24ff581a</mods:identifier>
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<mods:identifier id="2E94134584A4C4B7F49827F8C9B79CAA" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="894FFF6774C3CE6CA359E400E655F3F4" type="Zenodo-Dep">178698</mods:identifier>
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<treatment id="039C7342FF92757A48F7FF661D20F85B" ID-DOI="http://doi.org/10.5281/zenodo.6240021" ID-GBIF-Taxon="119373397" ID-Zenodo-Dep="6240021" LSID="urn:lsid:plazi:treatment:039C7342FF92757A48F7FF661D20F85B" httpUri="http://treatment.plazi.org/id/039C7342FF92757A48F7FF661D20F85B" lastPageId="7" lastPageNumber="68" pageId="4" pageNumber="65">
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<subSubSection id="C32F91DFFF92757948F7FF661F73FF1F" pageId="4" pageNumber="65" type="nomenclature">
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<paragraph id="8B8AC254FF92757948F7FF661C71FF7A" blockId="4.[151,544,151,212]" box="[151,544,151,177]" pageId="4" pageNumber="65">
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<heading id="D0C27538FF92757948F7FF661C71FF7A" bold="true" box="[151,544,151,177]" fontSize="11" level="1" pageId="4" pageNumber="65" reason="1">
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||
<emphasis id="B9411E46FF92757948F7FF661C71FF7A" bold="true" box="[151,544,151,177]" pageId="4" pageNumber="65">
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||
<taxonomicName id="4C35B9D7FF92757948F7FF661F8CFF7A" ID-CoL="4XQ25" box="[151,477,151,177]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="4" pageNumber="65" phylum="Arthropoda" rank="species" species="tenebrosus" status="sp. nov.">
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<emphasis id="B9411E46FF92757948F7FF661F8CFF7A" bold="true" box="[151,477,151,177]" italics="true" pageId="4" pageNumber="65">Siphonolabrum tenebrosus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A272A33DFF9275794984FF661C71FF7A" box="[484,544,151,177]" pageId="4" pageNumber="65" rank="species">n.sp.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B8AC254FF92757948F7FF4B1F73FF1F" blockId="4.[151,544,151,212]" box="[151,290,186,212]" pageId="4" pageNumber="65">
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<figureCitation id="130EDED1FF92757948F7FF4B1F73FF1F" box="[151,290,186,212]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStartId-0="4.[151,254,1905,1929]" captionStartId-1="5.[151,254,1904,1928]" captionStartId-2="7.[151,254,1720,1744]" captionTargetBox-0="[441,1163,898,1904]" captionTargetBox-1="[439,1147,844,1861]" captionTargetBox-2="[434,1146,655,1685]" captionTargetId-0="figure@4.[419,1167,871,1928]" captionTargetId-1="figure@5.[423,1171,821,1878]" captionTargetId-2="figure@7.[422,1170,637,1694]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionTargetPageId-2="7" captionText-0="FIGURE 1. Siphonolabrum tenebrosus n. sp. A, holotype non-ovigerous female (contracted state); B, paratype nonovigerous female (relaxed-extended state); C, cephalothorax, lateral view; D, pleotelson, lateral view; E, right cheliped; F, inner setal group on cheliped propodus, adjacent to dactylus. Scale bar = 1 mm for A-D, 0.25 mm for E-F." captionText-1="FIGURE 2. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A, cheliped fixed finger detail; B, antennule, C, antenna (lateral view); D – E, labrum dorsal and lateral profile respectively; F, mandible; G, maxilla; H, maxillule endite, I, maxilliped palp, one omitted; J, maxilliped endite (distal); K, uropod. Scale bar = 0.25 mm for A-E, G, I-K, 0.125 mm for F and H." captionText-2="FIGURE 3. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A – F, pereopods 1 – 6 respectively. Scale bar = 0.25 mm for A-F." httpUri-0="https://zenodo.org/record/178699/files/figure.png" httpUri-1="https://zenodo.org/record/178700/files/figure.png" httpUri-2="https://zenodo.org/record/178701/files/figure.png" pageId="4" pageNumber="65">Figures 1–3</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C32F91DFFF92757948F7FEFB1DF1FE27" pageId="4" pageNumber="65" type="materials_examined">
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<paragraph id="8B8AC254FF92757948F7FEFB1DF1FE27" blockId="4.[151,1436,266,812]" pageId="4" pageNumber="65">
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<emphasis id="B9411E46FF92757948F7FEFB1C49FEEF" bold="true" box="[151,536,266,292]" pageId="4" pageNumber="65">
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Material examined.
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<typeStatus id="548E7CF6FF92757949FDFEFB1C42FEEF" box="[413,531,266,292]" pageId="4" pageNumber="65" type="holotype">Holotype</typeStatus>
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:
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</emphasis>
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1 non-ovigerous female,
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<quantity id="4CCD6FB1FF9275794B3BFEFB1D99FEEF" box="[859,968,266,292]" metricMagnitude="-3" metricUnit="m" metricValue="3.03" pageId="4" pageNumber="65" unit="mm" value="3.03">3.03 mm</quantity>
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(
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<collectionCode id="ED245A91FF9275794BBDFEFB1A69FEEF" box="[989,1080,266,292]" pageId="4" pageNumber="65">KMNH</collectionCode>
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IvR 500.173), station TD-4, 39°27.08’–
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<geoCoordinate id="EE01A493FF927579497AFEC31FF5FE87" box="[282,420,306,332]" direction="north" orientation="latitude" pageId="4" pageNumber="65" precision="9" value="39.485832">39°29.15’N</geoCoordinate>
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143°37.79’–
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<geoCoordinate id="EE01A493FF9275794A5FFEC31C87FE87" box="[575,726,306,332]" direction="east" orientation="longitude" pageId="4" pageNumber="65" precision="9" value="143.642">143°38.52’E</geoCoordinate>
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, 3272–3146 metres,
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<date id="FF8BE494FF9275794BACFEC31AE4FE87" box="[972,1205,306,332]" pageId="4" pageNumber="65" value="2001-09-26">26 September 2001</date>
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.
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<typeStatus id="548E7CF6FF9275794CA2FEC31B6EFE87" box="[1218,1343,306,332]" pageId="4" pageNumber="65" type="paratype">
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<emphasis id="B9411E46FF9275794CA2FEC31B6EFE87" bold="true" box="[1218,1343,306,332]" pageId="4" pageNumber="65">Paratypes</emphasis>
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</typeStatus>
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: 1 nonovigerous female, 1 preparatory male (?) same location; 1 non-ovigerous female (
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<collectionCode id="ED245A91FF9275794C00FEAB1AEDFEBF" box="[1120,1212,346,372]" pageId="4" pageNumber="65">KMNH</collectionCode>
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IvR 500.174), station XR-7, 42°12.87’–
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<geoCoordinate id="EE01A493FF92757949C1FE731C7DFE57" box="[417,556,386,412]" direction="north" orientation="latitude" pageId="4" pageNumber="65" precision="9" value="42.201668">42°12.10’N</geoCoordinate>
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145°33.93’–
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<geoCoordinate id="EE01A493FF9275794AA8FE731D0EFE57" box="[712,863,386,412]" direction="east" orientation="longitude" pageId="4" pageNumber="65" precision="9" value="145.53416">145°32.05’E</geoCoordinate>
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, 3853–3858 metres,
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<date id="FF8BE494FF9275794C37FE731B10FE57" box="[1111,1345,386,412]" pageId="4" pageNumber="65" value="2002-09-17">17 September 2002</date>
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; 1 nonovigerous female (partially dissected;
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<collectionCode id="ED245A91FF9275794AF3FE5B1CBCFE0F" box="[659,749,426,452]" pageId="4" pageNumber="65">KMNH</collectionCode>
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IvR 500.175), station TD-7, 38°47.93’–
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<geoCoordinate id="EE01A493FF9275794D72FE5B1BCDFE0F" box="[1298,1436,426,452]" direction="north" orientation="latitude" pageId="4" pageNumber="65" precision="9" value="38.7645">38°45.87’N</geoCoordinate>
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144°08.07’–
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<geoCoordinate id="EE01A493FF927579494AFE231F90FE27" box="[298,449,466,492]" direction="east" orientation="longitude" pageId="4" pageNumber="65" precision="9" value="144.1315">144°07.89’E</geoCoordinate>
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, 7340–7433 metres,
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<date id="FF8BE494FF9275794AD5FE231DCDFE27" box="[693,924,466,492]" pageId="4" pageNumber="65" value="2001-09-30">30 September 2001</date>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C32F91DFFF92757948A6FE0B1E9AFDAF" pageId="4" pageNumber="65" type="diagnosis">
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<paragraph id="8B8AC254FF92757948A6FE0B1E9AFDAF" blockId="4.[151,1436,266,812]" pageId="4" pageNumber="65">
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<emphasis id="B9411E46FF92757948A6FE0B1F17FDDF" bold="true" box="[198,326,506,532]" pageId="4" pageNumber="65">Diagnosis.</emphasis>
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<taxonomicName id="4C35B9D7FF927579492DFE0B1C53FDD8" box="[333,514,506,531]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="4" pageNumber="65" phylum="Arthropoda" rank="genus">
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<emphasis id="B9411E46FF927579492DFE0B1C53FDD8" box="[333,514,506,531]" italics="true" pageId="4" pageNumber="65">Siphonolabrum</emphasis>
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</taxonomicName>
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with labrum elongate but almost as broad as deep. Cheliped merus without triangular process, propodus inner comb with seven setae. Uropod exopod as long as proximal article of endopod.
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</paragraph>
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</subSubSection>
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<subSubSection id="C32F91DFFF92757948A6FD831F82FD7F" pageId="4" pageNumber="65" type="etymology">
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<paragraph id="8B8AC254FF92757948A6FD831F82FD7F" blockId="4.[151,1436,266,812]" pageId="4" pageNumber="65">
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<emphasis id="B9411E46FF92757948A6FD831F02FD47" bold="true" box="[198,339,626,652]" pageId="4" pageNumber="65">Etymology.</emphasis>
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From the Latin adjective
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<taxonomicName id="4C35B9D7FF9275794AF1FD831D5EFD40" box="[657,783,626,651]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="4" pageNumber="65" phylum="Arthropoda" rank="species" species="tenebrosus">
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<emphasis id="B9411E46FF9275794AF1FD831D5EFD40" box="[657,783,626,651]" italics="true" pageId="4" pageNumber="65">tenebrosus</emphasis>
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</taxonomicName>
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, ‘dark’ or ‘gloomy’, referring to the blackness of the abysso-hadal environment.
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</paragraph>
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</subSubSection>
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<subSubSection id="C32F91DFFF92757B48A6FD331F1CF859" lastPageId="6" lastPageNumber="67" pageId="4" pageNumber="65" type="description">
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<paragraph id="8B8AC254FF92757948A6FD331C20FD17" blockId="4.[151,1436,266,812]" box="[198,625,706,732]" pageId="4" pageNumber="65">
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<emphasis id="B9411E46FF92757948A6FD331C20FD17" bold="true" box="[198,625,706,732]" pageId="4" pageNumber="65">Description non-ovigerous female.</emphasis>
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</paragraph>
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<paragraph id="8B8AC254FF92757948A6FD1B1AB9FCE7" blockId="4.[151,1436,266,812]" pageId="4" pageNumber="65">
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<emphasis id="B9411E46FF92757948A6FD1B1F53FCC8" box="[198,258,746,771]" italics="true" pageId="4" pageNumber="65">Body</emphasis>
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(
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<figureCitation id="130EDED1FF9275794975FD1B1F0FFCCF" box="[277,350,746,772]" captionStart="FIGURE 1" captionStartId="4.[151,254,1905,1929]" captionTargetBox="[441,1163,898,1904]" captionTargetId="figure@4.[419,1167,871,1928]" captionTargetPageId="4" captionText="FIGURE 1. Siphonolabrum tenebrosus n. sp. A, holotype non-ovigerous female (contracted state); B, paratype nonovigerous female (relaxed-extended state); C, cephalothorax, lateral view; D, pleotelson, lateral view; E, right cheliped; F, inner setal group on cheliped propodus, adjacent to dactylus. Scale bar = 1 mm for A-D, 0.25 mm for E-F." httpUri="https://zenodo.org/record/178699/files/figure.png" pageId="4" pageNumber="65">Figs 1</figureCitation>
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A–B). Slender, 6.75 times as long as broad (contracted
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<typeStatus id="548E7CF6FF9275794C6BFD1B1A22FCCF" box="[1035,1139,746,772]" pageId="4" pageNumber="65" type="holotype">holotype</typeStatus>
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) to 7.4 times as long as broad (relaxed
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<typeStatus id="548E7CF6FF9275794928FCE31FFCFCE7" box="[328,429,786,812]" pageId="4" pageNumber="65" type="paratype">paratype</typeStatus>
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specimen from station XR-7); length
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<quantity id="4CCD6FB1FF9275794B0AFCE31D82FCE7" box="[874,979,786,812]" metricMagnitude="-3" metricUnit="m" metricValue="2.89" pageId="4" pageNumber="65" unit="mm" value="2.89">2.89 mm</quantity>
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(range
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<quantity id="4CCD6FB1FF9275794C4CFCE31A8DFCE7" box="[1068,1244,786,812]" metricMagnitude="-3" metricUnit="m" metricValue="2.645" metricValueMax="3.16" metricValueMin="2.13" pageId="4" pageNumber="65" unit="mm" value="2.645" valueMax="3.16" valueMin="2.13">2.13–3.16 mm</quantity>
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).
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</paragraph>
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<caption id="DF4A92DCFF92757948F7F8801B4CF818" httpUri="https://zenodo.org/record/178699/files/figure.png" pageId="4" pageNumber="65" targetBox="[441,1163,898,1904]" targetPageId="4">
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||
<paragraph id="8B8AC254FF92757948F7F8801B4CF818" blockId="4.[151,1436,1905,2003]" pageId="4" pageNumber="65">
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||
<emphasis id="B9411E46FF92757948F7F8801F47F842" bold="true" box="[151,278,1905,1929]" pageId="4" pageNumber="65">FIGURE 1</emphasis>
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.
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<taxonomicName id="4C35B9D7FF9275794947F8831C18F842" box="[295,585,1906,1929]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="4" pageNumber="65" phylum="Arthropoda" rank="species" species="tenebrosus" status="sp. nov.">
|
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<emphasis id="B9411E46FF9275794947F8831C18F842" box="[295,585,1906,1929]" italics="true" pageId="4" pageNumber="65">Siphonolabrum tenebrosus</emphasis>
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||
</taxonomicName>
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||
<taxonomicNameLabel id="A272A33DFF9275794A33F8801CD7F843" box="[595,646,1905,1928]" pageId="4" pageNumber="65" rank="species">n.sp.</taxonomicNameLabel>
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A, holotype non-ovigerous female (contracted state); B, paratype nonovigerous female (relaxed-extended state); C, cephalothorax, lateral view; D, pleotelson, lateral view; E, right cheliped; F, inner setal group on cheliped propodus, adjacent to dactylus. Scale bar = 1 mm for A-D, 0.25 mm for E-F.
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</paragraph>
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</caption>
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<paragraph id="8B8AC254FF93757848A6FF691F2FFEC9" blockId="5.[151,1436,152,778]" pageId="5" pageNumber="66">
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<emphasis id="B9411E46FF93757848A6FF691F13FF7A" box="[198,322,152,177]" italics="true" pageId="5" pageNumber="66">Carapace.</emphasis>
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As long as broad, with parallel lateral margins and weak rostrum, just shorter than pereonites 1–2 combined (
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<emphasis id="B9411E46FF9375784936FF311F22FF12" box="[342,371,192,217]" italics="true" pageId="5" pageNumber="66">i.e</emphasis>
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. 0.9 times as long), 14.2% of body length (range 14.2–16.3%); with small seta behind antennule insertion.
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</paragraph>
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<paragraph id="8B8AC254FF93757848A6FEE11F48FE69" blockId="5.[151,1436,152,778]" pageId="5" pageNumber="66">
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<emphasis id="B9411E46FF93757848A6FEE11F1BFEE2" box="[198,330,272,297]" italics="true" pageId="5" pageNumber="66">Pereonites.</emphasis>
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With slightly rounded or sub-parallel lateral margins. Pereonite 1 shortest. Only pereonite 5 as long as or slightly longer than broad. Pereonites 1–6 0.49, 0.65, 0.75, 0.90, 1.10, and 0.69 times as long as broad respectively; seta on lateral margins of each pereonite; inter-pereonal gaps greater in extended/stretched specimens.
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</paragraph>
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<paragraph id="8B8AC254FF93757848A6FE411AC8FE39" blockId="5.[151,1436,152,778]" pageId="5" pageNumber="66">
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<emphasis id="B9411E46FF93757848A6FE411F43FE02" box="[198,274,432,457]" italics="true" pageId="5" pageNumber="66">Pleon.</emphasis>
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22.2% of body length (range 20.7–23.6%). Pleonites much shorter than wide, with weakly expanded epimera in dorsal view, each with a seta; sternal processes weakly developed.
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</paragraph>
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<paragraph id="8B8AC254FF93757848A6FDF11B14FD89" blockId="5.[151,1436,152,778]" pageId="5" pageNumber="66">
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<emphasis id="B9411E46FF93757848A6FDF11F13FDD2" box="[198,322,512,537]" italics="true" pageId="5" pageNumber="66">Pleotelson</emphasis>
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(
|
||
<figureCitation id="130EDED1FF9375784937FDF11FCFFDD1" box="[343,414,512,538]" captionStart="FIGURE 1" captionStartId="4.[151,254,1905,1929]" captionTargetBox="[441,1163,898,1904]" captionTargetId="figure@4.[419,1167,871,1928]" captionTargetPageId="4" captionText="FIGURE 1. Siphonolabrum tenebrosus n. sp. A, holotype non-ovigerous female (contracted state); B, paratype nonovigerous female (relaxed-extended state); C, cephalothorax, lateral view; D, pleotelson, lateral view; E, right cheliped; F, inner setal group on cheliped propodus, adjacent to dactylus. Scale bar = 1 mm for A-D, 0.25 mm for E-F." httpUri="https://zenodo.org/record/178699/files/figure.png" pageId="5" pageNumber="66">Fig. 1</figureCitation>
|
||
D). About as long as preceding two pleonites (foreshortened in dorsal view), with broadly rounded apex; one seta near each uropod basis and two simple and two sensory setae dorsally.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF93757848A6FDA11FB7FCC1" blockId="5.[151,1436,152,778]" pageId="5" pageNumber="66">
|
||
<emphasis id="B9411E46FF93757848A6FDA11F6CFDA2" box="[198,317,592,617]" italics="true" pageId="5" pageNumber="66">Antennule</emphasis>
|
||
(
|
||
<figureCitation id="130EDED1FF937578492EFDA11FC7FDA1" box="[334,406,592,618]" captionStart="FIGURE 2" captionStartId="5.[151,254,1904,1928]" captionTargetBox="[439,1147,844,1861]" captionTargetId="figure@5.[423,1171,821,1878]" captionTargetPageId="5" captionText="FIGURE 2. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A, cheliped fixed finger detail; B, antennule, C, antenna (lateral view); D – E, labrum dorsal and lateral profile respectively; F, mandible; G, maxilla; H, maxillule endite, I, maxilliped palp, one omitted; J, maxilliped endite (distal); K, uropod. Scale bar = 0.25 mm for A-E, G, I-K, 0.125 mm for F and H." httpUri="https://zenodo.org/record/178700/files/figure.png" pageId="5" pageNumber="66">Fig. 2</figureCitation>
|
||
B). Stout, about as long as carapace. Article 1 broad at base, about 2.5 times as long as broad, and not quite half as long as the whole appendage, with one disto-outer seta and three outer sensory setae. Article 2 stout, 1.3 times as long as broad, with unequal inner and outer setae. Article 3 about as long as broad, with inner seta and sensory seta. Article 4 about as long as articles 2–3, narrow, with about four terminal setae and one aesthetasc.
|
||
</paragraph>
|
||
<caption id="DF4A92DCFF93757848F7F8811F4BF83B" httpUri="https://zenodo.org/record/178700/files/figure.png" pageId="5" pageNumber="66" targetBox="[439,1147,844,1861]" targetPageId="5">
|
||
<paragraph id="8B8AC254FF93757848F7F8811F4BF83B" blockId="5.[151,1436,1904,2032]" pageId="5" pageNumber="66">
|
||
<emphasis id="B9411E46FF93757848F7F8811F45F843" bold="true" box="[151,276,1904,1928]" pageId="5" pageNumber="66">FIGURE 2</emphasis>
|
||
.
|
||
<taxonomicName id="4C35B9D7FF9375784945F8801C14F843" box="[293,581,1905,1928]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="5" pageNumber="66" phylum="Arthropoda" rank="species" species="tenebrosus" status="sp. nov.">
|
||
<emphasis id="B9411E46FF9375784945F8801C14F843" box="[293,581,1905,1928]" italics="true" pageId="5" pageNumber="66">Siphonolabrum tenebrosus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A272A33DFF9375784A2FF8801CD0F843" box="[591,641,1905,1928]" pageId="5" pageNumber="66" rank="species">n.sp.</taxonomicNameLabel>
|
||
Non-ovigerous female. A, cheliped fixed finger detail; B, antennule, C, antenna (lateral view); D–E, labrum dorsal and lateral profile respectively; F, mandible; G, maxilla; H, maxillule endite, I, maxilliped palp, one omitted; J, maxilliped endite (distal); K, uropod. Scale bar = 0.25 mm for A-E, G, I-K, 0.125 mm for F and H.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B8AC254FF90757B48A6FF691FFDFEE1" blockId="6.[151,1437,152,2018]" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48A6FF691F79FF7A" box="[198,296,152,177]" italics="true" pageId="6" pageNumber="67">Antenna</emphasis>
|
||
(
|
||
<figureCitation id="130EDED1FF90757B4958FF691F2FFF79" box="[312,382,152,178]" captionStart="FIGURE 2" captionStartId="5.[151,254,1904,1928]" captionTargetBox="[439,1147,844,1861]" captionTargetId="figure@5.[423,1171,821,1878]" captionTargetPageId="5" captionText="FIGURE 2. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A, cheliped fixed finger detail; B, antennule, C, antenna (lateral view); D – E, labrum dorsal and lateral profile respectively; F, mandible; G, maxilla; H, maxillule endite, I, maxilliped palp, one omitted; J, maxilliped endite (distal); K, uropod. Scale bar = 0.25 mm for A-E, G, I-K, 0.125 mm for F and H." httpUri="https://zenodo.org/record/178700/files/figure.png" pageId="6" pageNumber="67">Fig. 2</figureCitation>
|
||
C). About three-quarters as long as antennule. Article 1 short and annular. Article 2 longer than article 3, the latter with a dorsal seta. Article 4 about 3.5 times as long as broad, with terminal simple and sensory setae. Article 5 about 3.6 times as long as broad, with terminal seta. Article 6 small, with one distal and four terminal setae.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF90757B48A6FEC91A9BFD89" blockId="6.[151,1437,152,2018]" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48A6FEC91F06FE9A" box="[198,343,312,337]" italics="true" pageId="6" pageNumber="67">Mouthparts.</emphasis>
|
||
Labrum (
|
||
<figureCitation id="130EDED1FF90757B49A9FEC91C43FE99" box="[457,530,312,338]" captionStart="FIGURE 2" captionStartId="5.[151,254,1904,1928]" captionTargetBox="[439,1147,844,1861]" captionTargetId="figure@5.[423,1171,821,1878]" captionTargetPageId="5" captionText="FIGURE 2. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A, cheliped fixed finger detail; B, antennule, C, antenna (lateral view); D – E, labrum dorsal and lateral profile respectively; F, mandible; G, maxilla; H, maxillule endite, I, maxilliped palp, one omitted; J, maxilliped endite (distal); K, uropod. Scale bar = 0.25 mm for A-E, G, I-K, 0.125 mm for F and H." httpUri="https://zenodo.org/record/178700/files/figure.png" pageId="6" pageNumber="67">Figs 2</figureCitation>
|
||
D–E) clearly visible in whole animal, protruding with sub-conical lateral profile and slightly narrower cross-section. Labium not recovered. Mandibles (
|
||
<figureCitation id="130EDED1FF90757B4C67FE911A1CFEB1" box="[1031,1101,352,378]" captionStart="FIGURE 2" captionStartId="5.[151,254,1904,1928]" captionTargetBox="[439,1147,844,1861]" captionTargetId="figure@5.[423,1171,821,1878]" captionTargetPageId="5" captionText="FIGURE 2. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A, cheliped fixed finger detail; B, antennule, C, antenna (lateral view); D – E, labrum dorsal and lateral profile respectively; F, mandible; G, maxilla; H, maxillule endite, I, maxilliped palp, one omitted; J, maxilliped endite (distal); K, uropod. Scale bar = 0.25 mm for A-E, G, I-K, 0.125 mm for F and H." httpUri="https://zenodo.org/record/178700/files/figure.png" pageId="6" pageNumber="67">Fig. 2</figureCitation>
|
||
F) (only one recovered), delicate, elongate, without molar or lacinia mobilis, incisor with denticulate tip. Maxilla (
|
||
<figureCitation id="130EDED1FF90757B4CD1FE791AABFE69" box="[1201,1274,392,418]" captionStart="FIGURE 2" captionStartId="5.[151,254,1904,1928]" captionTargetBox="[439,1147,844,1861]" captionTargetId="figure@5.[423,1171,821,1878]" captionTargetPageId="5" captionText="FIGURE 2. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A, cheliped fixed finger detail; B, antennule, C, antenna (lateral view); D – E, labrum dorsal and lateral profile respectively; F, mandible; G, maxilla; H, maxillule endite, I, maxilliped palp, one omitted; J, maxilliped endite (distal); K, uropod. Scale bar = 0.25 mm for A-E, G, I-K, 0.125 mm for F and H." httpUri="https://zenodo.org/record/178700/files/figure.png" pageId="6" pageNumber="67">Fig. 2</figureCitation>
|
||
G) sub-ovate, without setae. Maxillule (
|
||
<figureCitation id="130EDED1FF90757B49ABFE411C42FE01" box="[459,531,432,458]" captionStart="FIGURE 2" captionStartId="5.[151,254,1904,1928]" captionTargetBox="[439,1147,844,1861]" captionTargetId="figure@5.[423,1171,821,1878]" captionTargetPageId="5" captionText="FIGURE 2. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A, cheliped fixed finger detail; B, antennule, C, antenna (lateral view); D – E, labrum dorsal and lateral profile respectively; F, mandible; G, maxilla; H, maxillule endite, I, maxilliped palp, one omitted; J, maxilliped endite (distal); K, uropod. Scale bar = 0.25 mm for A-E, G, I-K, 0.125 mm for F and H." httpUri="https://zenodo.org/record/178700/files/figure.png" pageId="6" pageNumber="67">Fig. 2</figureCitation>
|
||
H) endite with group of eight unequal terminal spiniform setae, the longest three closely grouped, almost fused. Maxilliped (
|
||
<figureCitation id="130EDED1FF90757B4A87FE291D62FE39" box="[743,819,472,498]" captionStart="FIGURE 2" captionStartId="5.[151,254,1904,1928]" captionTargetBox="[439,1147,844,1861]" captionTargetId="figure@5.[423,1171,821,1878]" captionTargetPageId="5" captionText="FIGURE 2. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A, cheliped fixed finger detail; B, antennule, C, antenna (lateral view); D – E, labrum dorsal and lateral profile respectively; F, mandible; G, maxilla; H, maxillule endite, I, maxilliped palp, one omitted; J, maxilliped endite (distal); K, uropod. Scale bar = 0.25 mm for A-E, G, I-K, 0.125 mm for F and H." httpUri="https://zenodo.org/record/178700/files/figure.png" pageId="6" pageNumber="67">
|
||
Figs
|
||
<date id="FF8BE494FF90757B4B45FE291D62FE39" box="[805,819,472,498]" pageId="6" pageNumber="67">2</date>
|
||
</figureCitation>
|
||
I–J) typical of genus, bases small; endites unfused, with simple distal margin, each with a long inner seta; palps relatively large, article 2 with three inner setae; article 3 with one small and three large setae; article 4 with at least four long terminal setae.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF90757B48A6FDA11C51FC61" blockId="6.[151,1437,152,2018]" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48A6FDA11F61FDA2" box="[198,304,592,617]" italics="true" pageId="6" pageNumber="67">Cheliped</emphasis>
|
||
(
|
||
<figureCitation id="130EDED1FF90757B4923FDA11FD9FDA1" box="[323,392,592,618]" captionStart="FIGURE 1" captionStartId="4.[151,254,1905,1929]" captionTargetBox="[441,1163,898,1904]" captionTargetId="figure@4.[419,1167,871,1928]" captionTargetPageId="4" captionText="FIGURE 1. Siphonolabrum tenebrosus n. sp. A, holotype non-ovigerous female (contracted state); B, paratype nonovigerous female (relaxed-extended state); C, cephalothorax, lateral view; D, pleotelson, lateral view; E, right cheliped; F, inner setal group on cheliped propodus, adjacent to dactylus. Scale bar = 1 mm for A-D, 0.25 mm for E-F." httpUri="https://zenodo.org/record/178699/files/figure.png" pageId="6" pageNumber="67">Fig. 1</figureCitation>
|
||
E). Attached to carapace via a large sub-rectangular pre-basal sclerite or ‘pseudocoxa’ (
|
||
<figureCitation id="130EDED1FF90757B48FFFD891EB4FD59" box="[159,229,632,658]" captionStart="FIGURE 1" captionStartId="4.[151,254,1905,1929]" captionTargetBox="[441,1163,898,1904]" captionTargetId="figure@4.[419,1167,871,1928]" captionTargetPageId="4" captionText="FIGURE 1. Siphonolabrum tenebrosus n. sp. A, holotype non-ovigerous female (contracted state); B, paratype nonovigerous female (relaxed-extended state); C, cephalothorax, lateral view; D, pleotelson, lateral view; E, right cheliped; F, inner setal group on cheliped propodus, adjacent to dactylus. Scale bar = 1 mm for A-D, 0.25 mm for E-F." httpUri="https://zenodo.org/record/178699/files/figure.png" pageId="6" pageNumber="67">Fig. 1</figureCitation>
|
||
C). Basis short and almost annular, with seta. Merus lying along wide proximal part of carpus, with strong seta. Carpus broad, about 1.3 times as long as broad, narrower distally, with proximal and distal setae on dorsal margin and two unequal setae on ventral margin. Chela about as large as carpus. Propodus deep, without fold, but with outer longitudinal ridge on fixed finger, with seven setae on inner face (
|
||
<figureCitation id="130EDED1FF90757B4CBBFD011B4DFCC1" box="[1243,1308,752,778]" captionStart="FIGURE 1" captionStartId="4.[151,254,1905,1929]" captionTargetBox="[441,1163,898,1904]" captionTargetId="figure@4.[419,1167,871,1928]" captionTargetPageId="4" captionText="FIGURE 1. Siphonolabrum tenebrosus n. sp. A, holotype non-ovigerous female (contracted state); B, paratype nonovigerous female (relaxed-extended state); C, cephalothorax, lateral view; D, pleotelson, lateral view; E, right cheliped; F, inner setal group on cheliped propodus, adjacent to dactylus. Scale bar = 1 mm for A-D, 0.25 mm for E-F." httpUri="https://zenodo.org/record/178699/files/figure.png" pageId="6" pageNumber="67">Fig. 1</figureCitation>
|
||
F) and one outer setae near dactylus insertion. Fixed finger (
|
||
<figureCitation id="130EDED1FF90757B4AB6FCE91D4DFCF9" box="[726,796,792,818]" captionStart="FIGURE 2" captionStartId="5.[151,254,1904,1928]" captionTargetBox="[439,1147,844,1861]" captionTargetId="figure@5.[423,1171,821,1878]" captionTargetPageId="5" captionText="FIGURE 2. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A, cheliped fixed finger detail; B, antennule, C, antenna (lateral view); D – E, labrum dorsal and lateral profile respectively; F, mandible; G, maxilla; H, maxillule endite, I, maxilliped palp, one omitted; J, maxilliped endite (distal); K, uropod. Scale bar = 0.25 mm for A-E, G, I-K, 0.125 mm for F and H." httpUri="https://zenodo.org/record/178700/files/figure.png" pageId="6" pageNumber="67">Fig. 2</figureCitation>
|
||
A) about as long as propodus, with long narrow terminal spine and two sub-triangular teeth on almost straight cutting margin, the distal tooth bifid, with strong ventral seta and three setae near cutting edge. Dactylus as broad as fixed finger, dorsal margin strongly curved, with long inner spiniform seta.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF90757B48A6FC491A31FBB9" blockId="6.[151,1437,152,2018]" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48A6FC491F1CFC1A" box="[198,333,952,977]" italics="true" pageId="6" pageNumber="67">Pereopod 1</emphasis>
|
||
(
|
||
<figureCitation id="130EDED1FF90757B493DFC491FF3FC19" box="[349,418,952,978]" captionStart="FIGURE 3" captionStartId="7.[151,254,1720,1744]" captionTargetBox="[434,1146,655,1685]" captionTargetId="figure@7.[422,1170,637,1694]" captionTargetPageId="7" captionText="FIGURE 3. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A – F, pereopods 1 – 6 respectively. Scale bar = 0.25 mm for A-F." httpUri="https://zenodo.org/record/178701/files/figure.png" pageId="6" pageNumber="67">Fig. 3</figureCitation>
|
||
A). Longer than pereopods 2–3; annular coxa with seta. Basis about four times as long as broad. Ischium with seta. Merus just longer than carpus, with ventral seta. Carpus sub-rectangular, about twice as long as broad and as long as propodus, with one dorsal and two ventral setae. Propodus tapering distally, with ventral seta nearly as long as dactylus. Dactylus and unguis about 1.4 times as long as propodus, dactylus with long accessory setae, tip minutely bifid, unguis tip slightly spatulate.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF90757B48F7FB711AEAFB09" blockId="6.[151,1437,152,2018]" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48F7FB711F72FB52" box="[151,291,1152,1177]" italics="true" pageId="6" pageNumber="67">Pereopod 2</emphasis>
|
||
(
|
||
<figureCitation id="130EDED1FF90757B4957FB711FD0FB51" box="[311,385,1152,1178]" captionStart="FIGURE 3" captionStartId="7.[151,254,1720,1744]" captionTargetBox="[434,1146,655,1685]" captionTargetId="figure@7.[422,1170,637,1694]" captionTargetPageId="7" captionText="FIGURE 3. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A – F, pereopods 1 – 6 respectively. Scale bar = 0.25 mm for A-F." httpUri="https://zenodo.org/record/178701/files/figure.png" pageId="6" pageNumber="67">Fig. 3</figureCitation>
|
||
B). Similar to pereopod 1 but slightly smaller, with merus and carpus proportionately stouter. Dactylus and unguis shorter than that of pereopod 1 but still longer than propodus.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF90757B48F7FB211AE6FB21" blockId="6.[151,1437,152,2018]" box="[151,1207,1232,1258]" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48F7FB211F4FFB22" box="[151,286,1232,1257]" italics="true" pageId="6" pageNumber="67">Pereopod 3</emphasis>
|
||
(
|
||
<figureCitation id="130EDED1FF90757B494EFB211F25FB21" box="[302,372,1232,1258]" captionStart="FIGURE 3" captionStartId="7.[151,254,1720,1744]" captionTargetBox="[434,1146,655,1685]" captionTargetId="figure@7.[422,1170,637,1694]" captionTargetPageId="7" captionText="FIGURE 3. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A – F, pereopods 1 – 6 respectively. Scale bar = 0.25 mm for A-F." httpUri="https://zenodo.org/record/178701/files/figure.png" pageId="6" pageNumber="67">Fig. 3</figureCitation>
|
||
C). Similar to pereopod 2 but shorter still, especially merus and carpus.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF90757B48A6FB091C9CFA11" blockId="6.[151,1437,152,2018]" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48A6FB091F1FFADA" box="[198,334,1272,1297]" italics="true" pageId="6" pageNumber="67">Pereopod 4</emphasis>
|
||
(
|
||
<figureCitation id="130EDED1FF90757B493FFB091FF4FAD9" box="[351,421,1272,1298]" captionStart="FIGURE 3" captionStartId="7.[151,254,1720,1744]" captionTargetBox="[434,1146,655,1685]" captionTargetId="figure@7.[422,1170,637,1694]" captionTargetPageId="7" captionText="FIGURE 3. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A – F, pereopods 1 – 6 respectively. Scale bar = 0.25 mm for A-F." httpUri="https://zenodo.org/record/178701/files/figure.png" pageId="6" pageNumber="67">Fig. 3</figureCitation>
|
||
D). Without distinct coxa. Basis broader than in pereopods 1–3, about as long as succeeding articles together, with two ventral plumose setae. Ischium with two unequal setae. Merus shorter than carpus, with two ventral spiniform setae. Carpus sub-rectangular, about as long as propodus and about twice as long as broad, with two ventral spiniform setae, one long outer spiniform seta, and one small rod-like dorsal seta. Propodus about 2.8 times as long as broad, with three long terminal spiniform setae. Dactylus longer than unguis, together about as long as propodus.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF90757B48A6FA191C83F9C9" blockId="6.[151,1437,152,2018]" box="[198,722,1512,1538]" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48A6FA191F1CF9CA" box="[198,333,1512,1537]" italics="true" pageId="6" pageNumber="67">Pereopod 5</emphasis>
|
||
(
|
||
<figureCitation id="130EDED1FF90757B493DFA191FF3F9C9" box="[349,418,1512,1538]" captionStart="FIGURE 3" captionStartId="7.[151,254,1720,1744]" captionTargetBox="[434,1146,655,1685]" captionTargetId="figure@7.[422,1170,637,1694]" captionTargetPageId="7" captionText="FIGURE 3. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A – F, pereopods 1 – 6 respectively. Scale bar = 0.25 mm for A-F." httpUri="https://zenodo.org/record/178701/files/figure.png" pageId="6" pageNumber="67">Fig. 3</figureCitation>
|
||
E). Similar to pereopod 4.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF90757B48A6F9E11F2CF999" blockId="6.[151,1437,152,2018]" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48A6F9E11F1CF9E2" box="[198,333,1552,1577]" italics="true" pageId="6" pageNumber="67">Pereopod 6</emphasis>
|
||
(
|
||
<figureCitation id="130EDED1FF90757B493CF9E11FCEF9E1" box="[348,415,1552,1578]" captionStart="FIGURE 3" captionStartId="7.[151,254,1720,1744]" captionTargetBox="[434,1146,655,1685]" captionTargetId="figure@7.[422,1170,637,1694]" captionTargetPageId="7" captionText="FIGURE 3. Siphonolabrum tenebrosus n. sp. Non-ovigerous female. A – F, pereopods 1 – 6 respectively. Scale bar = 0.25 mm for A-F." httpUri="https://zenodo.org/record/178701/files/figure.png" pageId="6" pageNumber="67">Fig. 3</figureCitation>
|
||
F) similar to pereopods 4–5 but with one basal plumose seta. Propodus with four terminal spiniform setae.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF90757B48A6F9911D97F939" blockId="6.[151,1437,152,2018]" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48A6F9911F79F9B2" box="[198,296,1632,1657]" italics="true" pageId="6" pageNumber="67">Pleopod</emphasis>
|
||
(not figured). Basal article without setae. Exopod sub-ovate, just over twice as long as greatest width, as long as basis of pereopods 4–6, with at least 23 plumose setae, graduated in length from short near basal article to long near apex. Endopod slightly smaller than exopod, with one dorso-distal seta and about 21 on ventral margin, one near to basal article separated from remainder.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF90757B48A6F8F11F1CF859" blockId="6.[151,1437,152,2018]" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48A6F8F11F71F8D2" box="[198,288,1792,1817]" italics="true" pageId="6" pageNumber="67">Uropod</emphasis>
|
||
(
|
||
<figureCitation id="130EDED1FF90757B4950F8F11F27F8D1" box="[304,374,1792,1818]" captionStart="FIGURE 1" captionStartId="4.[151,254,1905,1929]" captionTargetBox="[441,1163,898,1904]" captionTargetId="figure@4.[419,1167,871,1928]" captionTargetPageId="4" captionText="FIGURE 1. Siphonolabrum tenebrosus n. sp. A, holotype non-ovigerous female (contracted state); B, paratype nonovigerous female (relaxed-extended state); C, cephalothorax, lateral view; D, pleotelson, lateral view; E, right cheliped; F, inner setal group on cheliped propodus, adjacent to dactylus. Scale bar = 1 mm for A-D, 0.25 mm for E-F." httpUri="https://zenodo.org/record/178699/files/figure.png" pageId="6" pageNumber="67">Figs 1</figureCitation>
|
||
D, 2K). Just shorter than pleotelson, basal article about twice as long as broad. Fused exopod as long as proximal article of endopod, with one inner and two strong terminal setae. Endopod five times as long as broad, two-articled, proximal article longer than distal, with two sensory setae, distal article with four long setae.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32F91DFFF90757A48A6F86E1F9CFD89" lastPageId="7" lastPageNumber="68" pageId="6" pageNumber="67" type="discussion">
|
||
<paragraph id="8B8AC254FF90757A48A6F86E1FF1FEE1" blockId="6.[151,1437,152,2018]" lastBlockId="7.[151,1437,152,578]" lastPageId="7" lastPageNumber="68" pageId="6" pageNumber="67">
|
||
<emphasis id="B9411E46FF90757B48A6F86E1F6EF872" bold="true" box="[198,319,1951,1977]" pageId="6" pageNumber="67">Remarks.</emphasis>
|
||
The abysso-hadal
|
||
<taxonomicName id="4C35B9D7FF90757B4A7CF8511CE6F872" box="[540,695,1952,1977]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="6" pageNumber="67" phylum="Arthropoda" rank="species" species="tenebrosus" status="sp. nov.">
|
||
<emphasis id="B9411E46FF90757B4A7CF8511CE6F872" box="[540,695,1952,1977]" italics="true" pageId="6" pageNumber="67">S. tenebrosus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A272A33DFF90757B4ADEF8511CA7F871" box="[702,758,1952,1978]" pageId="6" pageNumber="67" rank="species">n.sp.</taxonomicNameLabel>
|
||
shows a close morphological affinity to the shallow-shelf
|
||
<taxonomicName id="4C35B9D7FF90757B48F7F8391F02F82A" box="[151,339,1992,2017]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="6" pageNumber="67" phylum="Arthropoda" rank="species" species="californiensis">
|
||
<emphasis id="B9411E46FF90757B48F7F8391F02F82A" box="[151,339,1992,2017]" italics="true" pageId="6" pageNumber="67">S. californiensis</emphasis>
|
||
</taxonomicName>
|
||
, in an interesting parallel to the relationship between
|
||
<taxonomicName id="4C35B9D7FF90757A4BA8F8391E83FF79" authority="Sieg & Dojiri, 1991" authorityName="Sieg & Dojiri" authorityYear="1991" class="Malacostraca" family="Akanthophoreidae" genus="Akanthophoreus" kingdom="Animalia" lastPageId="7" lastPageNumber="68" order="Tanaidacea" pageId="6" pageNumber="67" phylum="Arthropoda" rank="species" species="phillipsi">
|
||
<emphasis id="B9411E46FF90757B4BA8F8391ABFF82A" box="[968,1262,1992,2017]" italics="true" pageId="6" pageNumber="67">Akanthophoreus phillipsi</emphasis>
|
||
<bibRefCitation id="EFA4BFA5FF90757A4C95F8391E83FF79" author="Sieg" lastPageId="7" lastPageNumber="68" pageId="6" pageNumber="85" refString="Sieg, J. & Dojiri, M. (1991) Two new species and a new genus of the suborder Tanaidomorpha (Crustacea: Tanaidacea) from Californian waters. Journal of Natural History, 25, 1493 - 1512." type="journal article" year="1991">Sieg & Dojiri, 1991</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C35B9D7FF91757A496EFF691FF5FF7A" box="[270,420,152,177]" class="Malacostraca" family="Akanthophoreidae" genus="Akanthophoreus" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="undulatus" status="sp. nov.">
|
||
<emphasis id="B9411E46FF91757A496EFF691FF5FF7A" box="[270,420,152,177]" italics="true" pageId="7" pageNumber="68">A. undulatus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A272A33DFF91757A49CDFF691FB4FF79" box="[429,485,152,178]" pageId="7" pageNumber="68" rank="species">n.sp.</taxonomicNameLabel>
|
||
(Bird, elsewhere in this publication) Both are characterized by a long uropodal exopod but
|
||
<taxonomicName id="4C35B9D7FF91757A4945FF311F92FF12" box="[293,451,192,217]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="tenebrosus" status="sp. nov.">
|
||
<emphasis id="B9411E46FF91757A4945FF311F92FF12" box="[293,451,192,217]" italics="true" pageId="7" pageNumber="68">S. tenebrosus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A272A33DFF91757A49ACFF311C55FF11" box="[460,516,192,218]" pageId="7" pageNumber="68" rank="species">n.sp.</taxonomicNameLabel>
|
||
appears to have a proportionately shorter carapace, a longer pleon, a greater size-disparity in antennule articles 2–3, a longer pereopod 1 merus, and lacks a prominent triangular process on the cheliped merus.
|
||
</paragraph>
|
||
<paragraph id="8B8AC254FF91757A48A6FEC91F9CFD89" blockId="7.[151,1437,152,578]" pageId="7" pageNumber="68">
|
||
<taxonomicName id="4C35B9D7FF91757A48A6FEC91C51FE9A" box="[198,512,312,337]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="tenebrosus" status="sp. nov.">
|
||
<emphasis id="B9411E46FF91757A48A6FEC91C51FE9A" box="[198,512,312,337]" italics="true" pageId="7" pageNumber="68">Siphonolabrum tenebrosus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A272A33DFF91757A4A67FEC91C6FFE99" box="[519,574,312,338]" pageId="7" pageNumber="68" rank="species">n.sp.</taxonomicNameLabel>
|
||
can be distinguished from
|
||
<taxonomicName id="4C35B9D7FF91757A4B1CFEC91A20FE9A" box="[892,1137,312,337]" class="Malacostraca" family="Anarthruridae" genus="Anarthruropsis" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="langi">
|
||
<emphasis id="B9411E46FF91757A4B1CFEC91A20FE9A" box="[892,1137,312,337]" italics="true" pageId="7" pageNumber="68">Anarthruropsis langi</emphasis>
|
||
</taxonomicName>
|
||
at least by its longer uropod exopod (a very short process in
|
||
<taxonomicName id="4C35B9D7FF91757A4A2DFE911CFAFEB2" box="[589,683,352,377]" class="Malacostraca" family="Anarthruridae" genus="Anarthruropsis" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="langi">
|
||
<emphasis id="B9411E46FF91757A4A2DFE911CFAFEB2" box="[589,683,352,377]" italics="true" pageId="7" pageNumber="68">A. langi</emphasis>
|
||
</taxonomicName>
|
||
), single ventral seta on cheliped fixed finger (two in
|
||
<taxonomicName id="4C35B9D7FF91757A4D4CFE911BDBFEB2" box="[1324,1418,352,377]" class="Malacostraca" family="Anarthruridae" genus="Anarthruropsis" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="langi">
|
||
<emphasis id="B9411E46FF91757A4D4CFE911BDBFEB2" box="[1324,1418,352,377]" italics="true" pageId="7" pageNumber="68">A. langi</emphasis>
|
||
</taxonomicName>
|
||
), double-toothed incisive margin of fixed finger (more numerous and less obvious dentition in
|
||
<taxonomicName id="4C35B9D7FF91757A4C8CFE791B1BFE6A" box="[1260,1354,392,417]" class="Malacostraca" family="Anarthruridae" genus="Anarthruropsis" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="langi">
|
||
<emphasis id="B9411E46FF91757A4C8CFE791B1BFE6A" box="[1260,1354,392,417]" italics="true" pageId="7" pageNumber="68">A. langi</emphasis>
|
||
</taxonomicName>
|
||
) and a narrower labrum. In the unlikely circumstance of direct sympatry, similar chelipedal and uropodal criteria separate
|
||
<taxonomicName id="4C35B9D7FF91757A48B7FE291F23FE3A" box="[215,370,472,497]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="tenebrosus">
|
||
<emphasis id="B9411E46FF91757A48B7FE291F23FE3A" box="[215,370,472,497]" italics="true" pageId="7" pageNumber="68">S. tenebrosus</emphasis>
|
||
</taxonomicName>
|
||
from the shallower-occurring
|
||
<taxonomicName id="4C35B9D7FF91757A4AB6FE291D68FE3A" box="[726,825,472,497]" class="Malacostraca" family="Anarthruridae" genus="Anarthruropsis" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="longa">
|
||
<emphasis id="B9411E46FF91757A4AB6FE291D68FE3A" box="[726,825,472,497]" italics="true" pageId="7" pageNumber="68">A. longa</emphasis>
|
||
</taxonomicName>
|
||
. As its specific epithet might imply,
|
||
<taxonomicName id="4C35B9D7FF91757A4C88FE291B1BFE3A" box="[1256,1354,472,497]" class="Malacostraca" family="Anarthruridae" genus="Anarthruropsis" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="longa">
|
||
<emphasis id="B9411E46FF91757A4C88FE291B1BFE3A" box="[1256,1354,472,497]" italics="true" pageId="7" pageNumber="68">A. longa</emphasis>
|
||
</taxonomicName>
|
||
is also more slender than
|
||
<taxonomicName id="4C35B9D7FF91757A4912FDF11C5CFDD2" box="[370,525,512,537]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="tenebrosus" status="sp. nov.">
|
||
<emphasis id="B9411E46FF91757A4912FDF11C5CFDD2" box="[370,525,512,537]" italics="true" pageId="7" pageNumber="68">S. tenebrosus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A272A33DFF91757A4A75FDF11C1FFDD1" box="[533,590,512,538]" pageId="7" pageNumber="68" rank="species">n.sp.</taxonomicNameLabel>
|
||
, being about 8.7 times as long as broad, its pereonites 4–5 as long as or slightly longer than broad.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF4A92DCFF91757A48F7F9491F4CF939" httpUri="https://zenodo.org/record/178701/files/figure.png" pageId="7" pageNumber="68" targetBox="[434,1146,655,1685]" targetPageId="7">
|
||
<paragraph id="8B8AC254FF91757A48F7F9491F4CF939" blockId="7.[151,1436,1720,1778]" pageId="7" pageNumber="68">
|
||
<emphasis id="B9411E46FF91757A48F7F9491F43F91B" bold="true" box="[151,274,1720,1744]" pageId="7" pageNumber="68">FIGURE 3</emphasis>
|
||
.
|
||
<taxonomicName id="4C35B9D7FF91757A4941F9481C6EF91B" box="[289,575,1721,1744]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="tenebrosus" status="sp. nov.">
|
||
<emphasis id="B9411E46FF91757A4941F9481C6EF91B" box="[289,575,1721,1744]" italics="true" pageId="7" pageNumber="68">Siphonolabrum tenebrosus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A272A33DFF91757A4A27F9481C2BF91B" box="[583,634,1721,1744]" pageId="7" pageNumber="68" rank="species">n.sp.</taxonomicNameLabel>
|
||
Non-ovigerous female. A–F, pereopods 1–6 respectively. Scale bar = 0.25 mm for A-F.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C32F91DFFF91757A48A6F8BF1D20F85B" pageId="7" pageNumber="68" type="distribution">
|
||
<paragraph id="8B8AC254FF91757A48A6F8BF1D20F85B" blockId="7.[151,1436,1870,1936]" pageId="7" pageNumber="68">
|
||
<emphasis id="B9411E46FF91757A48A6F8BF1F36F8A3" bold="true" box="[198,359,1870,1896]" pageId="7" pageNumber="68">Distribution.</emphasis>
|
||
The three records of
|
||
<taxonomicName id="4C35B9D7FF91757A4A05F8BF1D50F8AC" box="[613,769,1870,1895]" class="Malacostraca" family="Anarthruridae" genus="Siphonolabrum" kingdom="Animalia" order="Tanaidacea" pageId="7" pageNumber="68" phylum="Arthropoda" rank="species" species="tenebrosus">
|
||
<emphasis id="B9411E46FF91757A4A05F8BF1D50F8AC" box="[613,769,1870,1895]" italics="true" pageId="7" pageNumber="68">S. tenebrosus</emphasis>
|
||
</taxonomicName>
|
||
cover a remarkable bathymetric range, from 3272–7433 metres in the
|
||
<collectingCountry id="F32282C4FF91757A4955F8871F29F85B" box="[309,376,1910,1936]" name="Japan" pageId="7" pageNumber="68">Japan</collectingCountry>
|
||
Trench and the Kurile-Kamchatka Trench.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |