280 lines
51 KiB
XML
280 lines
51 KiB
XML
<document id="69AE9BBE513584A4C25E418F002203EC" ID-ISSN="11755334" ID-ZooBank="EE4EEEF8-6F05-4B6F-A433-19FC9513E31E" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629807954140" checkinUser="felipe" docAuthor="Komai, Tomoyuki" docDate="2012" docId="03A08858D632FFE06CB610832EF2FD1A" docLanguage="en" docName="zt03468p077.pdf" docOrigin="Zootaxa 3468" docStyle="DocumentStyle:D239614CE4198176A422035174489AB1.4:Zootaxa.2009-2012.monograph" docStyleId="D239614CE4198176A422035174489AB1" docStyleName="Zootaxa.2009-2012.monograph" docStyleVersion="4" docTitle="Metacrangon tsugaruensis Komai 2012, n. sp." docType="treatment" docVersion="3" lastPageNumber="63" masterDocId="FF99F020D609FFDE6C2111172D72FF9E" masterDocTitle="3468" masterLastPageNumber="77" masterPageNumber="1" pageNumber="60" updateTime="1699114963458" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="0BBD186678BCDFFB5F9F44DA8EAB8746">3468</mods:title>
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<mods:name id="B2DDA68F707906C585B4BCEF49D6F167" type="personal">
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<mods:roleTerm id="ECFE7FB631A695E9A83CB292358DDAAA">Author</mods:roleTerm>
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<mods:namePart id="66CA174330C96A99677CB33BFC518CDC">Komai, Tomoyuki</mods:namePart>
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<mods:typeOfResource id="5328870943991E7677722C98087BBAD9">text</mods:typeOfResource>
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<mods:title id="16E47A690E9AED716BBF75A49E1941CB">Zootaxa</mods:title>
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<mods:part id="4DFCFF247345B0164D972BA8AAC6F81F">
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<mods:date id="249E7CAD0F8EACCACABC6E7AB4139E1D">2012</mods:date>
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<mods:number id="4B7433A74FBE79A86F1886EDF85ED4C1">2012-09-07</mods:number>
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<mods:number id="2767170DA5CA13773A033264A92D8EF2">3468</mods:number>
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<mods:classification id="70BF99FEAB22289A3E763328A1C2DC2C">journal article</mods:classification>
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<mods:identifier id="AE18BF636CFBE7441664AB8B03DBFF30" type="ISSN">11755334</mods:identifier>
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<treatment id="03A08858D632FFE06CB610832EF2FD1A" ID-DOI="http://doi.org/10.5281/zenodo.5256956" ID-Zenodo-Dep="5256956" LSID="urn:lsid:plazi:treatment:03A08858D632FFE06CB610832EF2FD1A" httpUri="http://treatment.plazi.org/id/03A08858D632FFE06CB610832EF2FD1A" lastPageId="62" lastPageNumber="63" pageId="59" pageNumber="60">
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<subSubSection id="C3136AC5D632FFE56CB610832F51FE33" box="[151,547,403,430]" pageId="59" pageNumber="60" type="nomenclature">
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<paragraph id="8BB6394ED632FFE56CB610832F51FE33" blockId="59.[151,547,403,462]" box="[151,547,403,430]" pageId="59" pageNumber="60">
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<heading id="D0FE8E22D632FFE56CB610832F51FE33" bold="true" box="[151,547,403,430]" fontSize="11" level="1" pageId="59" pageNumber="60" reason="1">
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<emphasis id="B97DE55CD632FFE56CB610832F51FE33" bold="true" box="[151,547,403,430]" pageId="59" pageNumber="60">
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<taxonomicName id="4C0942CDD632FFE56CB610832CABFE30" ID-CoL="9CTSS" authority="Komai, 2012" authorityName="Komai" authorityYear="2012" box="[151,473,404,430]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="59" pageNumber="60" phylum="Arthropoda" rank="species" species="tsugaruensis" status="sp. nov.">
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<emphasis id="B97DE55CD632FFE56CB610832CABFE30" bold="true" box="[151,473,404,430]" italics="true" pageId="59" pageNumber="60">Metacrangon tsugaruensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A24E5827D632FFE56DC110842F51FE33" box="[480,547,403,429]" pageId="59" pageNumber="60" rank="species">n. sp.</taxonomicNameLabel>
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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="C3136AC5D632FFE56CB610A12C23FE50" box="[151,337,438,462]" pageId="59" pageNumber="60" type="description">
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<paragraph id="8BB6394ED632FFE56CB610A12C23FE50" blockId="59.[151,547,403,462]" box="[151,337,438,462]" pageId="59" pageNumber="60">
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(
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<figureCitation id="133225CBD632FFE56CBE10A12D87FE50" box="[159,245,438,462]" captionStart="FIGURE 31" captionStartId="60.[151,250,1845,1868]" captionTargetBox="[199,1385,205,1799]" captionTargetId="figure-83@60.[180,1406,193,1824]" captionTargetPageId="60" captionText="FIGURE 31. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view (ventrolateral part damaged); C, abdomen, telson and uropods, dorsal view (setae omitted); D, abdomen, lateral view (setae omitted); E, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm." pageId="59" pageNumber="60">Figs 31</figureCitation>
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,
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<figureCitation id="133225CBD632FFE56D2010A12C6DFE50" box="[257,287,438,462]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">32</figureCitation>
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,
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<figureCitation id="133225CBD632FFE56D0A10A12C3AFE50" box="[299,328,438,462]" captionStart="FIGURE 42" captionStartId="73.[151,250,1454,1477]" captionTargetBox="[154,1433,418,1415]" captionTargetId="figure-123@73.[151,1436,414,1427]" captionTargetPageId="73" captionText="FIGURE 42. Geographical distribution of Metacrangon asiaticus (Kobjakova, 1955) (), M. proxima Kim, 2005 (), and M. tsugaruensis n. sp. ()." pageId="59" pageNumber="60">42</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C3136AC5D632FFE56CB610E9282AFDA4" pageId="59" pageNumber="60" type="materials_examined">
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<paragraph id="8BB6394ED632FFE56CB610E9282AFDA4" blockId="59.[151,1436,510,2010]" pageId="59" pageNumber="60">
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<emphasis id="B97DE55CD632FFE56CB610E92CF1FD89" bold="true" box="[151,387,510,535]" inLineHeading="true" pageId="59" pageNumber="60" reason="1">Material examined.</emphasis>
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<materialsCitation id="3B613313D632FFE56DAD10E9282AFDA4" collectingDate="1992-07-01" collectionCode="RV" collectorName="H. Saito" country="Japan" elevation="413" latitude="41.541668" location="Soyo-maru" longLatPrecision="115" longitude="141.07" municipality="Tsugaru Strait" pageId="59" pageNumber="60" specimenCount="1" typeStatus="holotype">
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||
<typeStatus id="54B287ECD632FFE56DAD10E92C8BFD88" box="[396,505,510,534]" pageId="59" pageNumber="60" type="holotype">Holotype</typeStatus>
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:
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<collectionCode id="ED18A18BD632FFE56E2710E82F59FD88" box="[518,555,511,534]" country="Italy" name="Collection of Leptospira Strains" pageId="59" pageNumber="60">RV</collectionCode>
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<emphasis id="B97DE55CD632FFE56E1510E92FDDFD88" box="[564,687,510,534]" italics="true" pageId="59" pageNumber="60">
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<location id="8ED66F95D632FFE56E1510E92FDDFD88" LSID="urn:lsid:plazi:treatment:03A08858D632FFE06CB610832EF2FD1A:8ED66F95D632FFE56E1510E92FDDFD88" box="[564,687,510,534]" country="Japan" latitude="41.541668" longLatPrecision="115" longitude="141.07" municipality="Tsugaru Strait" name="Soyo-maru" pageId="59" pageNumber="60">Soyo-maru</location>
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</emphasis>
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||
, 1992 cruise, stn 6-2,
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<collectingMunicipality id="6BD2A334D632FFE56F9710E8292AFD88" box="[950,1112,510,535]" pageId="59" pageNumber="60">Tsugaru Strait</collectingMunicipality>
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, northern
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<collectingCountry id="F31E79DED632FFE568EF10E82863FD88" box="[1230,1297,511,534]" name="Japan" pageId="59" pageNumber="60">Japan</collectingCountry>
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,
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<geoCoordinate id="EE3D5F89D632FFE5693E10E928E5FD88" box="[1311,1431,510,534]" degrees="41" direction="north" minutes="32.5" orientation="latitude" pageId="59" pageNumber="60" precision="92" value="41.541668">41°32.5’N</geoCoordinate>
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,
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<geoCoordinate id="EE3D5F89D632FFE56CB613352C6BFDA4" box="[151,281,546,570]" degrees="141" direction="east" minutes="04.2" orientation="longitude" pageId="59" pageNumber="60" precision="92" value="141.07">141°04.2’E</geoCoordinate>
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,
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<quantity id="4CF194ABD632FFE56D0413352CD4FDA4" box="[293,422,546,570]" metricMagnitude="2" metricUnit="m" metricValue="4.125" metricValueMax="4.17" metricValueMin="4.08" pageId="59" pageNumber="60" unit="m" value="412.5" valueMax="417.0" valueMin="408.0">
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<elevation id="0024DE7DD632FFE56D0413352CD4FDA4" box="[293,422,546,570]" metricMagnitude="2" metricUnit="m" metricValue="4.125" metricValueMax="4.17" metricValueMin="4.08" pageId="59" pageNumber="60" unit="m" value="412.5" valueMax="417.0" valueMin="408.0">408–417 m</elevation>
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</quantity>
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,
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||
<date id="FFB71F8ED632FFE56D9313352F45FDA4" box="[434,567,546,570]" pageId="59" pageNumber="60" value="1992-07-01">
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<collectingDate id="EFF3E666D632FFE56D9313352F45FDA4" box="[434,567,546,570]" pageId="59" pageNumber="60" value="1992-07-01">1 July 1992</collectingDate>
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</date>
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||
, dredge, coll.
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||
<collectorName id="26FC5C98D632FFE56EF413342E41FDA4" box="[725,819,546,570]" pageId="59" pageNumber="60">H. Saito</collectorName>
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, ovigerous female (cl
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||
<quantity id="4CF194ABD632FFE5680D133529F4FDA4" box="[1068,1158,546,570]" metricMagnitude="-3" metricUnit="m" metricValue="8.2" pageId="59" pageNumber="60" unit="mm" value="8.2">8.2 mm</quantity>
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), CBM-ZC 10672.
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||
</materialsCitation>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C3136AC5D632FFE06CE813512F3CFE85" lastPageId="62" lastPageNumber="63" pageId="59" pageNumber="60" type="description">
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<paragraph id="8BB6394ED632FFE56CE813512912FC74" blockId="59.[151,1436,510,2010]" pageId="59" pageNumber="60">
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<emphasis id="B97DE55CD632FFE56CE813512C28FDC1" bold="true" box="[201,346,582,607]" inLineHeading="true" pageId="59" pageNumber="60" reason="1">Description.</emphasis>
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||
<emphasis id="B97DE55CD632FFE56D4313512CC4FDC0" box="[354,438,582,606]" italics="true" pageId="59" pageNumber="60">Female</emphasis>
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||
(
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||
<typeStatus id="54B287ECD632FFE56DE713512F5DFDC0" box="[454,559,582,606]" pageId="59" pageNumber="60" type="holotype">holotype</typeStatus>
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||
). Rostrum (
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||
<figureCitation id="133225CBD632FFE56E9013512E2DFDC0" box="[689,863,582,606]" captionStart="FIGURE 31" captionStartId="60.[151,250,1845,1868]" captionTargetBox="[199,1385,205,1799]" captionTargetId="figure-83@60.[180,1406,193,1824]" captionTargetPageId="60" captionText="FIGURE 31. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view (ventrolateral part damaged); C, abdomen, telson and uropods, dorsal view (setae omitted); D, abdomen, lateral view (setae omitted); E, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm." pageId="59" pageNumber="60">Figs 31A, B, E</figureCitation>
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,
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<figureCitation id="133225CBD632FFE56F4D13512EECFDC0" box="[876,926,582,606]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">32D</figureCitation>
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) triangular in dorsal view, moderately broad, slightly ascending (angle against horizontal plane of carapace 15°), overreaching antennal teeth (slightly less than 0.2 times as long as carapace); tip rounded in dorsal view; dorsal surface shallowly concave; ventral carina high. Carapace (
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<figureCitation id="133225CBD632FFE56D3013A52CB6FD54" box="[273,452,690,714]" captionStart="FIGURE 31" captionStartId="60.[151,250,1845,1868]" captionTargetBox="[199,1385,205,1799]" captionTargetId="figure-83@60.[180,1406,193,1824]" captionTargetPageId="60" captionText="FIGURE 31. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view (ventrolateral part damaged); C, abdomen, telson and uropods, dorsal view (setae omitted); D, abdomen, lateral view (setae omitted); E, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm." pageId="59" pageNumber="60">Figs 31A, B, E</figureCitation>
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,
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<figureCitation id="133225CBD632FFE56DF213A52F76FD54" box="[467,516,690,714]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">32A</figureCitation>
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) widened posteriorly, as long as wide postorbitally; middorsal carina extending from rostral base to posterior 0.2 of carapace, bearing two slightly unequal teeth; anterior middorsal tooth moderately large, epigastric in position (arising at about 0.1 of carapace length), laterally compressed, acuminate; posterior tooth smaller than anterior tooth, arising slightly posterior to midlength of carapace length; no denticle present between two middorsal teeth; submedian teeth present; antennal tooth moderately large, directed forward to slightly ascending, subacute; postorbital angle slightly produced; anterolateral margin between antennal and branchiostegal teeth concave, with tiny acute denticle; branchiostegal tooth moderately strong, ascending in similar degree to rostrum, overreaching dorsolateral distal angle of antennal basicerite; branchiostegal carina curving in lateral view, reaching level of posterior end of hepatic groove; branchial carina absent.
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</paragraph>
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<paragraph id="8BB6394ED632FFE56CE812E12C5FFB78" blockId="59.[151,1436,510,2010]" pageId="59" pageNumber="60">
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Abdomen (
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<figureCitation id="133225CBD632FFE56D6612E12CBFFB90" box="[327,461,1014,1038]" captionStart="FIGURE 31" captionStartId="60.[151,250,1845,1868]" captionTargetBox="[199,1385,205,1799]" captionTargetId="figure-83@60.[180,1406,193,1824]" captionTargetPageId="60" captionText="FIGURE 31. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view (ventrolateral part damaged); C, abdomen, telson and uropods, dorsal view (setae omitted); D, abdomen, lateral view (setae omitted); E, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm." pageId="59" pageNumber="60">Fig. 31C, D</figureCitation>
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) slightly sculptured; first and second somites rounded dorsally; third somite with trace of middorsal carina; fourth and fifth somites each with rather broad, distinct middorsal carina, not reaching posterodorsal margin of respective somite. Second to fifth tergites not elevated along posterior margins. Pleura of anterior three somites rounded, fourth pleuron with rounded anteroventral angle. Sixth somite with distinct, parallel submedian carinae; posterodorsal margin faintly bilobed; pleuron shallowly depressed; posterolateral process abruptly terminating in acute tooth. Telson (
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||
<figureCitation id="133225CBD632FFE56E0115BD2FF6FB5C" box="[544,644,1194,1218]" captionStart="FIGURE 31" captionStartId="60.[151,250,1845,1868]" captionTargetBox="[199,1385,205,1799]" captionTargetId="figure-83@60.[180,1406,193,1824]" captionTargetPageId="60" captionText="FIGURE 31. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view (ventrolateral part damaged); C, abdomen, telson and uropods, dorsal view (setae omitted); D, abdomen, lateral view (setae omitted); E, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm." pageId="59" pageNumber="60">Fig. 31C</figureCitation>
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) with 2 pairs of dorsolateral spines, first pair located slightly posterior to midlength.
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</paragraph>
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<paragraph id="8BB6394ED632FFE56CE815E42D8BFACC" blockId="59.[151,1436,510,2010]" pageId="59" pageNumber="60">
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Eye (
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<figureCitation id="133225CBD632FFE56D2515E52C14FA94" box="[260,358,1266,1290]" captionStart="FIGURE 31" captionStartId="60.[151,250,1845,1868]" captionTargetBox="[199,1385,205,1799]" captionTargetId="figure-83@60.[180,1406,193,1824]" captionTargetPageId="60" captionText="FIGURE 31. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view (ventrolateral part damaged); C, abdomen, telson and uropods, dorsal view (setae omitted); D, abdomen, lateral view (setae omitted); E, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm." pageId="59" pageNumber="60">Fig. 31E</figureCitation>
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) stout, approximately as long as wide; cornea as wide as eyestalk, corneal width less than 0.2 of carapace length; eyestalk with dorsodistal protrusion not reaching distal corneal margin, bearing rounded dorsal tubercle.
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</paragraph>
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<paragraph id="8BB6394ED632FFE56CE814492870FA7C" blockId="59.[151,1436,510,2010]" pageId="59" pageNumber="60">
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Antennular peduncle (
|
||
<figureCitation id="133225CBD632FFE56DE414492F5DFAE8" box="[453,559,1374,1398]" captionStart="FIGURE 31" captionStartId="60.[151,250,1845,1868]" captionTargetBox="[199,1385,205,1799]" captionTargetId="figure-83@60.[180,1406,193,1824]" captionTargetPageId="60" captionText="FIGURE 31. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view (ventrolateral part damaged); C, abdomen, telson and uropods, dorsal view (setae omitted); D, abdomen, lateral view (setae omitted); E, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm." pageId="59" pageNumber="60">Figs 31E</figureCitation>
|
||
,
|
||
<figureCitation id="133225CBD632FFE56E1C14492F1CFAE8" box="[573,622,1374,1398]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">32A</figureCitation>
|
||
) moderately stout, overreaching midlength of antennal scale. First segment with prominent, bluntly distolateral process; stylocerite terminating in subacute tooth, lateral margin obtusely angular. Second segment with prominent, blunt distolateral process. Outer flagellum distinctly shorter than peduncle, overreaching distal margin of lamella of antennal scale by 0.4 length, consisting of 8–10 articles.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED632FFE56CE814F92C46F9EC" blockId="59.[151,1436,510,2010]" pageId="59" pageNumber="60">
|
||
Antenna (
|
||
<figureCitation id="133225CBD632FFE56D1B14F92CD6F998" box="[314,420,1518,1542]" captionStart="FIGURE 31" captionStartId="60.[151,250,1845,1868]" captionTargetBox="[199,1385,205,1799]" captionTargetId="figure-83@60.[180,1406,193,1824]" captionTargetPageId="60" captionText="FIGURE 31. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view (ventrolateral part damaged); C, abdomen, telson and uropods, dorsal view (setae omitted); D, abdomen, lateral view (setae omitted); E, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm." pageId="59" pageNumber="60">Figs 31E</figureCitation>
|
||
,
|
||
<figureCitation id="133225CBD632FFE56D9514F92C97F998" box="[436,485,1518,1542]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">32A</figureCitation>
|
||
) with basicerite having dorsolateral distal angle produced in bluntly pointed lobe, ventrodistal tooth acute. Antennal scale (
|
||
<figureCitation id="133225CBD632FFE56E4917052FBFF9B4" box="[616,717,1554,1578]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">Fig. 32B</figureCitation>
|
||
) 0.4 times as long as carapace and 2.3 times longer than wide; lateral margin slightly concave; distolateral tooth moderately broad, reaching distal margin of roundly triangular distal lamella.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED632FFE56CE817692931F924" blockId="59.[151,1436,510,2010]" pageId="59" pageNumber="60">
|
||
Third maxilliped moderately stout; ultimate segment gradually tapering distally in distal half, about 4.1 times longer than wide; penultimate segment about 2.0 times longer than wide (
|
||
<figureCitation id="133225CBD632FFE56FF117B52944F924" box="[976,1078,1698,1722]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">Fig. 32C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED632FFE56CE817D12C75F844" blockId="59.[151,1436,510,2010]" pageId="59" pageNumber="60">
|
||
First pereopod (
|
||
<figureCitation id="133225CBD632FFE56D5A17D12F73F940" box="[379,513,1734,1758]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">Fig. 32D, E</figureCitation>
|
||
) moderately stout; palm 2.6 times longer than wide, not markedly widened proximally or distally, lateral and mesial margins slightly sinuous; carpus with ventrolateral tooth; merus with small dorsodistal tooth, ventral margin sinuous, bluntly carinate. Second and third pereopods typical of genus (
|
||
<figureCitation id="133225CBD632FFE5692B161928FCF8B8" box="[1290,1422,1806,1830]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">Fig. 32F, G</figureCitation>
|
||
); third pereopod overreaching distal margin of antennal scale by half length of dactylus. Fourth pereopod (
|
||
<figureCitation id="133225CBD632FFE5690F162528E6F8D4" box="[1326,1428,1842,1866]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">Fig. 32H</figureCitation>
|
||
) moderately stout, overreaching distal margin of antennal scale by length of dactylus; dactylus spatulate, but abnormal (
|
||
<figureCitation id="133225CBD632FFE56CF1166D2C5CF80C" box="[208,302,1914,1938]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">Fig. 32I</figureCitation>
|
||
). Fifth pereopod (
|
||
<figureCitation id="133225CBD632FFE56DD4166D2F23F80C" box="[501,593,1914,1938]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">Fig. 32J</figureCitation>
|
||
) with dactylus subspatulate, slightly curved, 0.7 times as long as propodus, longer than that of fourth pereopod (
|
||
<figureCitation id="133225CBD632FFE56E1516892FECF828" box="[564,670,1950,1974]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="59" pageNumber="60">Fig. 32K</figureCitation>
|
||
); merus-ischium combined about 0.7 times as long as that of fourth pereopod.
|
||
</paragraph>
|
||
<caption id="DF7669C6D635FFE26CB616222EA9F839" pageId="60" pageNumber="61" startId="60.[151,250,1845,1868]" targetBox="[199,1385,205,1799]" targetPageId="60">
|
||
<paragraph id="8BB6394ED635FFE26CB616222EA9F839" blockId="60.[151,1436,1845,1959]" pageId="60" pageNumber="61">
|
||
<emphasis id="B97DE55CD635FFE26CB616222C51F8D2" bold="true" box="[151,291,1845,1868]" pageId="60" pageNumber="61">FIGURE 31.</emphasis>
|
||
<taxonomicName id="4C0942CDD635FFE26D0C16212F4DF8D5" authority="Komai, 2012" authorityName="Komai" authorityYear="2012" box="[301,575,1846,1867]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="tsugaruensis" status="sp. nov.">
|
||
<emphasis id="B97DE55CD635FFE26D0C16212F4DF8D5" box="[301,575,1846,1867]" italics="true" pageId="60" pageNumber="61">Metacrangon tsugaruensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B97DE55CD635FFE26E6816212FF4F8D5" bold="true" box="[585,646,1846,1867]" pageId="60" pageNumber="61">
|
||
<taxonomicNameLabel id="A24E5827D635FFE26E6816212FF4F8D5" box="[585,646,1846,1867]" pageId="60" pageNumber="61" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view (ventrolateral part damaged); C, abdomen, telson and uropods, dorsal view (setae omitted); D, abdomen, lateral view (setae omitted); E, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF7669C6D634FFE36CB6163B28E5F842" pageId="61" pageNumber="62" startId="61.[151,250,1836,1859]" targetBox="[225,1373,181,1818]" targetPageId="61">
|
||
<paragraph id="8BB6394ED634FFE36CB6163B28E5F842" blockId="61.[151,1436,1836,2012]" pageId="61" pageNumber="62">
|
||
<emphasis id="B97DE55CD634FFE36CB6163B2C51F8DD" bold="true" box="[151,291,1836,1859]" pageId="61" pageNumber="62">FIGURE 32.</emphasis>
|
||
<taxonomicName id="4C0942CDD634FFE36D0C163A2F4DF8DC" authority="Komai, 2012" authorityName="Komai" authorityYear="2012" box="[301,575,1837,1858]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="species" species="tsugaruensis" status="sp. nov.">
|
||
<emphasis id="B97DE55CD634FFE36D0C163A2F4DF8DC" box="[301,575,1837,1858]" italics="true" pageId="61" pageNumber="62">Metacrangon tsugaruensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B97DE55CD634FFE36E68163A2FF4F8DC" bold="true" box="[585,646,1837,1858]" pageId="61" pageNumber="62">
|
||
<taxonomicNameLabel id="A24E5827D634FFE36E68163A2FF4F8DC" box="[585,646,1837,1858]" pageId="61" pageNumber="62" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BB6394ED637FFE06CE81180282BFF31" blockId="62.[151,1436,151,644]" box="[201,1369,151,175]" pageId="62" pageNumber="63">
|
||
Uropodal exopod truncate with minute lateral point; no spinule mesial to posterolateral tooth (
|
||
<figureCitation id="133225CBD637FFE068C61180283EFF31" box="[1255,1356,151,175]" captionStart="FIGURE 32" captionStartId="61.[151,250,1836,1859]" captionTargetBox="[225,1373,181,1818]" captionTargetId="figure-142@61.[203,1385,165,1831]" captionTargetPageId="61" captionText="FIGURE 32. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, anterior part of carapace and cephalic appendages, lateral view; B, left antennal scale, dorsal view (setae omitted); C, distal two segments of left third maxilliped, dorsal view (setae omitted); D, left first pereopod, lateral view; E, same, chela, dorsal (extensor) view (setae partially omitted); F, left second pereopod, lateral view; G, left third pereopod, lateral view; H, left fourth pereopod, lateral view; I, same, dactylus, lateral view; J, left fifth pereopod, lateral view; K, same, dactylus, flexor view; L, posterolateral tooth of right uropodal exopod, dorsal view. Scale bars: 2 mm for A, C–H, J; 1 mm for B, I, K; 0.5 mm for L." pageId="62" pageNumber="63">Fig. 32L</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED637FFE06CE811AB2F44FF4A" blockId="62.[151,1436,151,644]" box="[201,566,188,212]" pageId="62" pageNumber="63">
|
||
Eggs 1.6 x
|
||
<quantity id="4CF194ABD637FFE06D6611AB2CD2FF4D" box="[327,416,188,212]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="62" pageNumber="63" unit="mm" value="1.5">1.5 mm</quantity>
|
||
; not counted.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED637FFE06CE811C82CBCFF69" blockId="62.[151,1436,151,644]" box="[201,462,223,248]" pageId="62" pageNumber="63">
|
||
<emphasis id="B97DE55CD637FFE06CE811C82C23FF66" bold="true" box="[201,337,223,248]" inLineHeading="true" pageId="62" pageNumber="63" reason="1">Coloration.</emphasis>
|
||
Unknown.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED637FFE06CE810142F3CFE85" blockId="62.[151,1436,151,644]" box="[201,590,259,284]" pageId="62" pageNumber="63">
|
||
<emphasis id="B97DE55CD637FFE06CE810142D8BFE82" bold="true" box="[201,249,259,284]" pageId="62" pageNumber="63">Size</emphasis>
|
||
. Ovigerous female cl
|
||
<quantity id="4CF194ABD637FFE06DD010132F38FE85" box="[497,586,260,284]" metricMagnitude="-3" metricUnit="m" metricValue="8.2" pageId="62" pageNumber="63" unit="mm" value="8.2">8.2 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3136AC5D637FFE06CE810302835FEA1" box="[201,1351,295,320]" pageId="62" pageNumber="63" type="distribution">
|
||
<paragraph id="8BB6394ED637FFE06CE810302835FEA1" blockId="62.[151,1436,151,644]" box="[201,1351,295,320]" pageId="62" pageNumber="63">
|
||
<emphasis id="B97DE55CD637FFE06CE810302C10FEDE" bold="true" box="[201,354,295,320]" inLineHeading="true" pageId="62" pageNumber="63" reason="1">Distribution.</emphasis>
|
||
Known only from the
|
||
<typeStatus id="54B287ECD637FFE06E43103F2FE0FEDE" box="[610,658,296,320]" pageId="62" pageNumber="63">type</typeStatus>
|
||
locality, Tsugaru Strait, northern
|
||
<collectingCountry id="F31E79DED637FFE0682B103F2938FEA1" box="[1034,1098,296,319]" name="Japan" pageId="62" pageNumber="63">Japan</collectingCountry>
|
||
(
|
||
<figureCitation id="133225CBD637FFE06878103029DFFEA1" box="[1113,1197,295,319]" captionStart="FIGURE 42" captionStartId="73.[151,250,1454,1477]" captionTargetBox="[154,1433,418,1415]" captionTargetId="figure-123@73.[151,1436,414,1427]" captionTargetPageId="73" captionText="FIGURE 42. Geographical distribution of Metacrangon asiaticus (Kobjakova, 1955) (), M. proxima Kim, 2005 (), and M. tsugaruensis n. sp. ()." pageId="62" pageNumber="63">Fig. 42</figureCitation>
|
||
);
|
||
<quantity id="4CF194ABD637FFE068E310302831FEA1" box="[1218,1347,295,319]" metricMagnitude="2" metricUnit="m" metricValue="4.125" metricValueMax="4.17" metricValueMin="4.08" pageId="62" pageNumber="63" unit="m" value="412.5" valueMax="417.0" valueMin="408.0">
|
||
408–
|
||
<specimenCount id="9D0FF2C7D637FFE068DB10302831FEA1" box="[1274,1347,295,319]" pageId="62" pageNumber="63" type="generic">417 m</specimenCount>
|
||
</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3136AC5D637FFE06CE8105B2D9FFDC1" pageId="62" pageNumber="63" type="discussion">
|
||
<paragraph id="8BB6394ED637FFE06CE8105B2D9FFDC1" blockId="62.[151,1436,151,644]" pageId="62" pageNumber="63">
|
||
<emphasis id="B97DE55CD637FFE06CE8105B2C4FFEFA" bold="true" box="[201,317,332,356]" inLineHeading="true" pageId="62" pageNumber="63" reason="1">Remarks.</emphasis>
|
||
This new species is morphologically similar to
|
||
<taxonomicName id="4C0942CDD637FFE06F7D105A2E97FEFA" baseAuthorityName="Kobjakova" baseAuthorityYear="1955" box="[860,997,333,356]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="62" pageNumber="63" phylum="Arthropoda" rank="species" species="asiaticus">
|
||
<emphasis id="B97DE55CD637FFE06F7D105A2E97FEFA" box="[860,997,333,356]" italics="true" pageId="62" pageNumber="63">M. asiaticus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C0942CDD637FFE06FD5105A2905FEFA" authorityName="Kim" authorityYear="2005" box="[1012,1143,333,356]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="62" pageNumber="63" phylum="Arthropoda" rank="species" species="proxima">
|
||
<emphasis id="B97DE55CD637FFE06FD5105A2905FEFA" box="[1012,1143,333,356]" italics="true" pageId="62" pageNumber="63">M. proxima</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C0942CDD637FFE06897105A2832FEFA" authorityName="Rathbun" authorityYear="1902" box="[1206,1344,332,356]" class="Malacostraca" family="Crangonidae" genus="Crangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="62" pageNumber="63" phylum="Arthropoda" rank="species" species="variablis">
|
||
<emphasis id="B97DE55CD637FFE06897105A2832FEFA" box="[1206,1344,332,356]" italics="true" pageId="62" pageNumber="63">M. variablis</emphasis>
|
||
</taxonomicName>
|
||
. Nevertheless,
|
||
<taxonomicName id="4C0942CDD637FFE06CD110662CD0FE19" authority="Komai, 2012" authorityName="Komai" authorityYear="2012" box="[240,418,368,392]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="62" pageNumber="63" phylum="Arthropoda" rank="species" species="tsugaruensis" status="sp. nov.">
|
||
<emphasis id="B97DE55CD637FFE06CD110662CD0FE19" box="[240,418,368,392]" italics="true" pageId="62" pageNumber="63">M. tsugaruensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B97DE55CD637FFE06D8810672C95FE16" bold="true" box="[425,487,368,392]" pageId="62" pageNumber="63">
|
||
<taxonomicNameLabel id="A24E5827D637FFE06D8810672C95FE16" box="[425,487,368,392]" pageId="62" pageNumber="63" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is distinguished from the latter three species in the lack of a distinct middorsal carina on the second and third abdominal somites.
|
||
<taxonomicName id="4C0942CDD637FFE06EBC10822ED0FE32" baseAuthorityName="Kobjakova" baseAuthorityYear="1955" box="[669,930,405,428]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="62" pageNumber="63" phylum="Arthropoda" rank="species" species="asiaticus">
|
||
<emphasis id="B97DE55CD637FFE06EBC10822ED0FE32" box="[669,930,405,428]" italics="true" pageId="62" pageNumber="63">Metacrangon asiaticus</emphasis>
|
||
</taxonomicName>
|
||
differs further from
|
||
<taxonomicName id="4C0942CDD637FFE068B91082283DFE32" authorityName="Komai" authorityYear="2012" box="[1176,1359,405,428]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="62" pageNumber="63" phylum="Arthropoda" rank="species" species="tsugaruensis">
|
||
<emphasis id="B97DE55CD637FFE068B91082283DFE32" box="[1176,1359,405,428]" italics="true" pageId="62" pageNumber="63">M. tsugaruensis</emphasis>
|
||
</taxonomicName>
|
||
in the straight, rather than sinuous, mesial margin of the palm of the first pereopod.
|
||
<taxonomicName id="4C0942CDD637FFE06FD310AE2999FE51" authorityName="Kim" authorityYear="2005" box="[1010,1259,440,464]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="62" pageNumber="63" phylum="Arthropoda" rank="species" species="proxima">
|
||
<emphasis id="B97DE55CD637FFE06FD310AE2999FE51" box="[1010,1259,440,464]" italics="true" pageId="62" pageNumber="63">Metacrangon proxima</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C0942CDD637FFE0695C10AE2C57FE6A" authorityName="Komai" authorityYear="2012" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="62" pageNumber="63" phylum="Arthropoda" rank="species" species="tsugaruensis">
|
||
<emphasis id="B97DE55CD637FFE0695C10AE2C57FE6A" italics="true" pageId="62" pageNumber="63">M. tsugaruensis</emphasis>
|
||
</taxonomicName>
|
||
in the narrower rostrum (cf.
|
||
<figureCitation id="133225CBD637FFE06E4410CB2FB1FE6A" box="[613,707,476,500]" captionStart="FIGURE 37" captionStartId="68.[151,250,1903,1926]" captionTargetBox="[225,1349,213,1861]" captionTargetId="figure-95@68.[208,1378,193,1882]" captionTargetPageId="68" captionText="FIGURE 37. Metacrangon proxima Kim, 2005, female (cl 6.9 mm), CBM-ZC 9212, Uraga Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view; C, first to fourth abdominal somites, dorsal view (setae omitted); D, fifth and sixth abdominal somites and telson, dorsal view; E, abdomen, lateral view; F, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm for A–E; 1 mm for F." pageId="62" pageNumber="63">Fig. 37F</figureCitation>
|
||
and
|
||
<figureCitation id="133225CBD637FFE06ED910CB2E2EFE6A" box="[760,860,476,500]" captionStart="FIGURE 31" captionStartId="60.[151,250,1845,1868]" captionTargetBox="[199,1385,205,1799]" captionTargetId="figure-83@60.[180,1406,193,1824]" captionTargetPageId="60" captionText="FIGURE 31. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view (ventrolateral part damaged); C, abdomen, telson and uropods, dorsal view (setae omitted); D, abdomen, lateral view (setae omitted); E, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm." pageId="62" pageNumber="63">Fig. 31E</figureCitation>
|
||
), and the relatively slender antennular peduncle (cf.
|
||
<figureCitation id="133225CBD637FFE06CB610E82D84FD89" box="[151,246,511,535]" captionStart="FIGURE 37" captionStartId="68.[151,250,1903,1926]" captionTargetBox="[225,1349,213,1861]" captionTargetId="figure-95@68.[208,1378,193,1882]" captionTargetPageId="68" captionText="FIGURE 37. Metacrangon proxima Kim, 2005, female (cl 6.9 mm), CBM-ZC 9212, Uraga Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view; C, first to fourth abdominal somites, dorsal view (setae omitted); D, fifth and sixth abdominal somites and telson, dorsal view; E, abdomen, lateral view; F, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm for A–E; 1 mm for F." pageId="62" pageNumber="63">Fig. 37F</figureCitation>
|
||
versus
|
||
<figureCitation id="133225CBD637FFE06D6C10E82CC3FD89" box="[333,433,511,535]" captionStart="FIGURE 31" captionStartId="60.[151,250,1845,1868]" captionTargetBox="[199,1385,205,1799]" captionTargetId="figure-83@60.[180,1406,193,1824]" captionTargetPageId="60" captionText="FIGURE 31. Metacrangon tsugaruensis n. sp., holotype, ovigerous female (cl 8.2 mm), CBM-ZC 10672, Tsugaru Strait, Japan. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view (ventrolateral part damaged); C, abdomen, telson and uropods, dorsal view (setae omitted); D, abdomen, lateral view (setae omitted); E, anterior part of carapace and cephalic appendages, left side, dorsal view. Scale bars: 2 mm." pageId="62" pageNumber="63">Fig. 31E</figureCitation>
|
||
), the ultimate segment of the third maxilliped (6.5–7.0 times longer than wide versus 4.1 times) and the palm of the first pereopod (2.9–3.4 times longer than wide versus 2.6 times) with a straight mesial margin.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3136AC5D637FFE06CE8137B2EF2FD1A" box="[201,896,620,644]" pageId="62" pageNumber="63" type="etymology">
|
||
<paragraph id="8BB6394ED637FFE06CE8137B2EF2FD1A" blockId="62.[151,1436,151,644]" box="[201,896,620,644]" pageId="62" pageNumber="63">
|
||
<emphasis id="B97DE55CD637FFE06CE8137B2C3DFD1D" box="[201,335,620,644]" inLineHeading="true" pageId="62" pageNumber="63" reason="1">
|
||
<emphasis id="B97DE55CD637FFE06CE8137B2C3AFD1A" bold="true" box="[201,328,620,644]" pageId="62" pageNumber="63">Etymology</emphasis>
|
||
.
|
||
</emphasis>
|
||
Named after the
|
||
<typeStatus id="54B287ECD637FFE06E30137B2F33FD1A" box="[529,577,620,644]" pageId="62" pageNumber="63">type</typeStatus>
|
||
locality of this new species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |