409 lines
65 KiB
XML
409 lines
65 KiB
XML
<document id="A08F13DD2C7B24E80B35351016DC5C5F" 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="03A08858D602FFD16CB610CB2FC1FCC2" 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 bythos Komai 2012, n. sp." docType="treatment" docVersion="3" lastPageNumber="16" masterDocId="FF99F020D609FFDE6C2111172D72FF9E" masterDocTitle="3468" masterLastPageNumber="77" masterPageNumber="1" pageNumber="12" updateTime="1699114963458" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="8EF9AC5F576D027D24F8107F56DE466D">3468</mods:title>
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<mods:namePart id="15DD885B9C0F6BEB1F13E81002E0E216">Komai, Tomoyuki</mods:namePart>
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<mods:title id="AB1BC43820A829C5C2BE045AC60B8C24">Zootaxa</mods:title>
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<mods:part id="B0A270383B79342D1BF05A40A3823709">
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<mods:date id="F725B1DE1DC6058D86DCB7F17D1E3065">2012</mods:date>
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<mods:number id="EB3DDB45FA5C0FCE4D98B356A3EA4330">2012-09-07</mods:number>
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<mods:number id="3F9639DC0A5323476BBC7BDA7C315D1F">3468</mods:number>
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<treatment id="03A08858D602FFD16CB610CB2FC1FCC2" ID-DOI="http://doi.org/10.5281/zenodo.5256937" ID-Zenodo-Dep="5256937" LSID="urn:lsid:plazi:treatment:03A08858D602FFD16CB610CB2FC1FCC2" httpUri="http://treatment.plazi.org/id/03A08858D602FFD16CB610CB2FC1FCC2" lastPageId="15" lastPageNumber="16" pageId="11" pageNumber="12">
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<subSubSection id="C3136AC5D602FFD56CB610CB2CAAFE6B" box="[151,472,475,502]" pageId="11" pageNumber="12" type="nomenclature">
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<paragraph id="8BB6394ED602FFD56CB610CB2CAAFE6B" blockId="11.[151,472,475,534]" box="[151,472,475,502]" pageId="11" pageNumber="12">
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<heading id="D0FE8E22D602FFD56CB610CB2CAAFE6B" bold="true" box="[151,472,475,502]" fontSize="11" level="1" pageId="11" pageNumber="12" reason="1">
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<emphasis id="B97DE55CD602FFD56CB610CB2CAAFE6B" bold="true" box="[151,472,475,502]" pageId="11" pageNumber="12">
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<taxonomicName id="4C0942CDD602FFD56CB610CB2CFDFE68" ID-CoL="9CTRL" authority="Komai, 2012" authorityName="Komai" authorityYear="2012" box="[151,399,476,502]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="bythos" status="sp. nov.">
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<emphasis id="B97DE55CD602FFD56CB610CB2CFDFE68" bold="true" box="[151,399,476,502]" italics="true" pageId="11" pageNumber="12">Metacrangon bythos</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A24E5827D602FFD56DB710CC2CAAFE6B" box="[406,472,475,501]" pageId="11" pageNumber="12" 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 id="C3136AC5D602FFD56CB610E92C46FD88" box="[151,308,510,534]" pageId="11" pageNumber="12" type="description">
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<paragraph id="8BB6394ED602FFD56CB610E92C46FD88" blockId="11.[151,472,475,534]" box="[151,308,510,534]" pageId="11" pageNumber="12">
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(
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<figureCitation id="133225CBD602FFD56CBE10E92C76FD88" box="[159,260,510,534]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStart-2="FIGURE 4" captionStartId-0="12.[151,250,1917,1940]" captionStartId-1="13.[151,250,1849,1872]" captionStartId-2="14.[151,250,1278,1301]" captionTargetBox-0="[221,1397,215,1896]" captionTargetBox-1="[235,1353,197,1831]" captionTargetBox-2="[178,1410,224,1257]" captionTargetId-0="figure-83@12.[191,1418,193,1925]" captionTargetId-1="figure-147@13.[213,1374,175,1852]" captionTargetId-2="figure-332@14.[151,1436,193,1257]" captionTargetPageId-0="12" captionTargetPageId-1="13" captionTargetPageId-2="14" captionText-0="FIGURE 2. Metacrangon bythos n. sp., holotype, female (cl 11.1 mm), CBM-ZC 6405. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view; C, abdomen, telson and right uropod, dorsal view; D, abdomen, lateral view (setae omitted); D, left side of anterior part of carapace and left cephalic appendages, dorsal view. Scale bars: 5 mm for A–D; 2 mm for E." captionText-1="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." captionText-2="FIGURE 4. Metacrangon bythos n. sp., paratype, male (cl 6.5 mm), CBM-ZC 6402, Izu Islands, Japan. A, carapace, lateral view (setae omitted); B, anterior part of carapace and cephalic appendages, left side. Scale bars: 2 mm." pageId="11" pageNumber="12">Figs 2–4</figureCitation>
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,
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<figureCitation id="133225CBD602FFD56D2E10E92C5EFD88" box="[271,300,510,534]" captionStart="FIGURE 39" captionStartId="70.[151,250,1523,1546]" captionTargetBox="[151,1436,483,1487]" captionTargetId="figure-385@70.[151,1436,483,1496]" captionTargetPageId="70" captionText="FIGURE 39. Geographical distribution of Metacrangon bythos n. sp. (), M. ochotensis Kobjakova, 1955 () and M. similis Komai, 1997 ()." pageId="11" pageNumber="12">39</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C3136AC5D602FFD56CB613512FD9FC8C" pageId="11" pageNumber="12" type="materials_examined">
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<paragraph id="8BB6394ED602FFD56CB613512FC3FD38" blockId="11.[151,1436,582,2011]" pageId="11" pageNumber="12">
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<emphasis id="B97DE55CD602FFD56CB613512CF2FDC1" bold="true" box="[151,384,582,607]" inLineHeading="true" pageId="11" pageNumber="12" reason="1">Material examined.</emphasis>
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<materialsCitation id="3B613313D602FFD56DA613512FC3FD38" collectingDate="1998-09-01" collectionCode="RV, T" collectorName="Tansei-maru, KT" country="Japan" elevation="1998" latitude="34.260166" location="Miyake Island" longLatPrecision="11" longitude="140.24683" municipality="Izu Islands" pageId="11" pageNumber="12" specimenCount="1" typeStatus="holotype">
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<typeStatus id="54B287ECD602FFD56DA613512C86FDC0" box="[391,500,582,606]" pageId="11" pageNumber="12" type="holotype">Holotype</typeStatus>
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:
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<collectionCode id="ED18A18BD602FFD56DDF13502F51FDC0" box="[510,547,583,606]" country="Italy" name="Collection of Leptospira Strains" pageId="11" pageNumber="12">RV</collectionCode>
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<collectorName id="26FC5C98D602FFD56E0813502F9EFDC0" box="[553,748,582,606]" pageId="11" pageNumber="12">
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<emphasis id="B97DE55CD602FFD56E0813502FC7FDC0" box="[553,693,583,606]" italics="true" pageId="11" pageNumber="12">Tansei-maru</emphasis>
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||
, KT
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||
</collectorName>
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||
98-14 cruise, stn 15, NE of
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<location id="8ED66F95D602FFD5683F135129B3FDC0" LSID="urn:lsid:plazi:treatment:03A08858D602FFD16CB610CB2FC1FCC2:8ED66F95D602FFD5683F135129B3FDC0" box="[1054,1217,582,606]" country="Japan" latitude="34.260166" longLatPrecision="11" longitude="140.24683" municipality="Izu Islands" name="Miyake Island" pageId="11" pageNumber="12">Miyake Island</location>
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,
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<collectingMunicipality id="6BD2A334D602FFD568EC13502838FDC0" box="[1229,1354,582,606]" pageId="11" pageNumber="12">Izu Islands</collectingMunicipality>
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,
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<collectingCountry id="F31E79DED602FFD56974135028EAFDC0" box="[1365,1432,583,606]" name="Japan" pageId="11" pageNumber="12">Japan</collectingCountry>
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,
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<geoCoordinate id="EE3D5F89D602FFD56CB6137D2C6FFD1C" box="[151,285,618,642]" degrees="34" direction="north" minutes="15.61" orientation="latitude" pageId="11" pageNumber="12" precision="9" value="34.260166">34°15.61’N</geoCoordinate>
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,
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<geoCoordinate id="EE3D5F89D602FFD56D0B137D2CC9FD1C" box="[298,443,618,642]" degrees="140" direction="east" minutes="14.81" orientation="longitude" pageId="11" pageNumber="12" precision="9" value="140.24683">140°14.81’E</geoCoordinate>
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,
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<quantity id="4CF194ABD602FFD56DE9137D2F14FD1C" box="[456,614,618,642]" metricMagnitude="3" metricUnit="m" metricValue="1.9975" metricValueMax="2.007" metricValueMin="1.988" pageId="11" pageNumber="12" unit="m" value="1997.5" valueMax="2007.0" valueMin="1988.0">
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<elevation id="0024DE7DD602FFD56DE9137D2F14FD1C" box="[456,614,618,642]" metricMagnitude="3" metricUnit="m" metricValue="1.9975" metricValueMax="2.007" metricValueMin="1.988" pageId="11" pageNumber="12" unit="m" value="1997.5" valueMax="2007.0" valueMin="1988.0">1988–2007 m</elevation>
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</quantity>
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, coarse volcanic sand and sponges,
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<date id="FFB71F8ED602FFD56821137D29A2FD1C" box="[1024,1232,618,642]" pageId="11" pageNumber="12" value="1998-09-01">
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<collectingDate id="EFF3E666D602FFD56821137D29A2FD1C" box="[1024,1232,618,642]" pageId="11" pageNumber="12" value="1998-09-01">1 September 1998</collectingDate>
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</date>
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||
, beam trawl, coll.
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<collectionCode id="ED18A18BD602FFD56CB613982DDBFD38" box="[151,169,655,678]" name="Tavera, Department of Geology and Geophysics" pageId="11" pageNumber="12">T</collectionCode>
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. Komai, female (cl
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<quantity id="4CF194ABD602FFD56DA713992C9FFD38" box="[390,493,654,678]" metricMagnitude="-2" metricUnit="m" metricValue="1.1099999999999999" pageId="11" pageNumber="12" unit="mm" value="11.1">11.1 mm</quantity>
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), CBM-ZC 6405.
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||
</materialsCitation>
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</paragraph>
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||
<paragraph id="8BB6394ED602FFD56CE813A42FD9FC8C" blockId="11.[151,1436,582,2011]" pageId="11" pageNumber="12">
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<materialsCitation id="3B613313D602FFD56CE813A4291AFD70" collectingDate="1998-09-01" collectionCode="RV" collectorName="Tansei-maru, KT" country="Japan" elevation="2501" latitude="34.35483" location="Miyake Island" longLatPrecision="11" longitude="140.24117" municipality="Izu Islands" pageId="11" pageNumber="12" specimenCount="1" typeStatus="paratype">
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||
<typeStatus id="54B287ECD602FFD56CE813A42C48FD55" box="[201,314,691,715]" pageId="11" pageNumber="12" type="paratype">Paratypes</typeStatus>
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:
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||
<collectionCode id="ED18A18BD602FFD56D6413A42C18FD54" box="[325,362,691,714]" country="Italy" name="Collection of Leptospira Strains" pageId="11" pageNumber="12">RV</collectionCode>
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<collectorName id="26FC5C98D602FFD56D5313A42F44FD54" box="[370,566,690,714]" pageId="11" pageNumber="12">
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<emphasis id="B97DE55CD602FFD56D5313A42C8CFD54" box="[370,510,691,714]" italics="true" pageId="11" pageNumber="12">Tansei-maru</emphasis>
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, KT
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</collectorName>
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||
98-14 cruise, stn 14-1, NE of
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<location id="8ED66F95D602FFD56FA613A52959FD54" LSID="urn:lsid:plazi:treatment:03A08858D602FFD16CB610CB2FC1FCC2:8ED66F95D602FFD56FA613A52959FD54" box="[903,1067,690,714]" country="Japan" latitude="34.35483" longLatPrecision="11" longitude="140.24117" municipality="Izu Islands" name="Miyake Island" pageId="11" pageNumber="12">Miyake Island</location>
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,
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||
<collectingMunicipality id="6BD2A334D602FFD5681913A429C4FD54" box="[1080,1206,690,714]" pageId="11" pageNumber="12">Izu Islands</collectingMunicipality>
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,
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<collectingCountry id="F31E79DED602FFD568E313A42877FD54" box="[1218,1285,691,714]" name="Japan" pageId="11" pageNumber="12">Japan</collectingCountry>
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,
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<geoCoordinate id="EE3D5F89D602FFD5693013A528E5FD54" box="[1297,1431,690,714]" degrees="34" direction="north" minutes="21.29" orientation="latitude" pageId="11" pageNumber="12" precision="9" value="34.35483">34°21.29’N</geoCoordinate>
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,
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<geoCoordinate id="EE3D5F89D602FFD56CB613C12C5AFD70" box="[151,296,726,750]" degrees="140" direction="east" minutes="14.47" orientation="longitude" pageId="11" pageNumber="12" precision="9" value="140.24117">140°14.47’E</geoCoordinate>
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,
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<quantity id="4CF194ABD602FFD56D1513C12CA3FD70" box="[308,465,726,750]" metricMagnitude="3" metricUnit="m" metricValue="2.501" metricValueMax="2.518" metricValueMin="2.484" pageId="11" pageNumber="12" unit="m" value="2501.0" valueMax="2518.0" valueMin="2484.0">
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<elevation id="0024DE7DD602FFD56D1513C12CA3FD70" box="[308,465,726,750]" metricMagnitude="3" metricUnit="m" metricValue="2.501" metricValueMax="2.518" metricValueMin="2.484" pageId="11" pageNumber="12" unit="m" value="2501.0" valueMax="2518.0" valueMin="2484.0">2484–2518 m</elevation>
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</quantity>
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||
, coarse volcanic sand,
|
||
<date id="FFB71F8ED602FFD56EF513C12ED1FD70" box="[724,931,726,750]" pageId="11" pageNumber="12" value="1998-09-01">
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<collectingDate id="EFF3E666D602FFD56EF513C12ED1FD70" box="[724,931,726,750]" pageId="11" pageNumber="12" value="1998-09-01">1 September 1998</collectingDate>
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</date>
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||
, beam trawl, coll
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||
</materialsCitation>
|
||
.
|
||
<materialsCitation id="3B613313D602FFD5685213C02FD5FC8C" collectionCode="T" country="Japan" location="Komai" pageId="11" pageNumber="12" specimenCount="3" specimenCount-female="1" specimenCount-male="2" typeStatus="paratype">
|
||
<collectionCode id="ED18A18BD602FFD5685213C029F7FD70" box="[1139,1157,727,750]" name="Tavera, Department of Geology and Geophysics" pageId="11" pageNumber="12">T</collectionCode>
|
||
.
|
||
<location id="8ED66F95D602FFD568B013C12992FD70" LSID="urn:lsid:plazi:treatment:03A08858D602FFD16CB610CB2FC1FCC2:8ED66F95D602FFD568B013C12992FD70" box="[1169,1248,726,750]" country="Japan" name="Komai" pageId="11" pageNumber="12">Komai</location>
|
||
,
|
||
<specimenCount id="9D0FF2C7D602FFD568CA13C1283FFD70" box="[1259,1357,726,750]" pageId="11" pageNumber="12" type="female">1 female</specimenCount>
|
||
(cl 9.0 mm),
|
||
<specimenCount id="9D0FF2C7D602FFD56CFB13ED2C42FC8C" box="[218,304,762,786]" pageId="11" pageNumber="12" type="male">2 males</specimenCount>
|
||
(cl 5.2,
|
||
<quantity id="4CF194ABD602FFD56DAC13ED2C95FC8C" box="[397,487,762,786]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" pageId="11" pageNumber="12" unit="mm" value="6.5">6.5 mm</quantity>
|
||
), CBM-ZC 6402
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3136AC5D602FFD16CE812092975FF4D" lastPageId="15" lastPageNumber="16" pageId="11" pageNumber="12" type="description">
|
||
<paragraph id="8BB6394ED602FFD56CE812092E55FB78" blockId="11.[151,1436,582,2011]" pageId="11" pageNumber="12">
|
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<emphasis id="B97DE55CD602FFD56CE812092C28FCA9" bold="true" box="[201,346,798,823]" inLineHeading="true" pageId="11" pageNumber="12" reason="1">Description.</emphasis>
|
||
<emphasis id="B97DE55CD602FFD56D4712092CC8FCA8" box="[358,442,798,822]" italics="true" pageId="11" pageNumber="12">Female</emphasis>
|
||
. Rostrum (
|
||
<figureCitation id="133225CBD602FFD56E6012092F9EFCA8" box="[577,748,798,822]" captionStart="FIGURE 2" captionStartId="12.[151,250,1917,1940]" captionTargetBox="[221,1397,215,1896]" captionTargetId="figure-83@12.[191,1418,193,1925]" captionTargetPageId="12" captionText="FIGURE 2. Metacrangon bythos n. sp., holotype, female (cl 11.1 mm), CBM-ZC 6405. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view; C, abdomen, telson and right uropod, dorsal view; D, abdomen, lateral view (setae omitted); D, left side of anterior part of carapace and left cephalic appendages, dorsal view. Scale bars: 5 mm for A–D; 2 mm for E." pageId="11" pageNumber="12">Figs 2A, B, E</figureCitation>
|
||
,
|
||
<figureCitation id="133225CBD602FFD56EDC12092E6DFCA8" box="[765,799,798,822]" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="11" pageNumber="12">3A</figureCitation>
|
||
) narrowly triangular in dorsal view, directed forward, exceeding beyond antennal teeth (about 0.2 times as long as carapace); tip acute both in dorsal and lateral views; dorsal surface nearly flat; ventral surface nearly flat. Carapace (
|
||
<figureCitation id="133225CBD602FFD56F4712712974FCE0" box="[870,1030,870,894]" captionStart="FIGURE 2" captionStartId="12.[151,250,1917,1940]" captionTargetBox="[221,1397,215,1896]" captionTargetId="figure-83@12.[191,1418,193,1925]" captionTargetPageId="12" captionText="FIGURE 2. Metacrangon bythos n. sp., holotype, female (cl 11.1 mm), CBM-ZC 6405. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view; C, abdomen, telson and right uropod, dorsal view; D, abdomen, lateral view (setae omitted); D, left side of anterior part of carapace and left cephalic appendages, dorsal view. Scale bars: 5 mm for A–D; 2 mm for E." pageId="11" pageNumber="12">Figs 2A, B, E</figureCitation>
|
||
,
|
||
<figureCitation id="133225CBD602FFD5683312712944FCE0" box="[1042,1078,870,894]" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="11" pageNumber="12">3A</figureCitation>
|
||
) widened posteriorly in spawning molt, as long as wide postorbitally; middorsal carina extending nearly to posterodorsal margin; anterior middorsal tooth elongate, narrow styliform, arising slightly posterior to rostral base, slightly ascending (angle against horizontal plane of carapace 15°), overlapping rostrum, tip slightly to distinctly overreaching rostral tip; posterior tooth small (
|
||
<typeStatus id="54B287ECD602FFD56D0312E12CF5FB90" box="[290,391,1014,1038]" pageId="11" pageNumber="12" type="holotype">holotype</typeStatus>
|
||
) or moderately large (
|
||
<typeStatus id="54B287ECD602FFD56E5E12E12F97FB90" box="[639,741,1014,1038]" pageId="11" pageNumber="12" type="paratype">paratype</typeStatus>
|
||
), arising at about 0.6 of carapace length; minute denticle present between 2 middorsal teeth; submedian teeth present; antennal tooth acuminate, ascending in similar degree to anterior middorsal tooth; postorbital angle rounded; orbital cleft present; anterolateral margin between antennal and branchiostegal teeth slightly sinuous, with minute denticle inferior to base of antennal tooth; branchiostegal tooth moderately strong, directed slightly laterally in dorsal view, slightly ascending in lateral view, reaching dorsolateral distal angle of antennal basicerite; branchiostegal ridge curving, reaching near to level of posterior end of hepatic groove; branchial carina distinct; branchial region smooth.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED602FFD56CE815E52F3CF999" blockId="11.[151,1436,582,2011]" pageId="11" pageNumber="12">
|
||
Abdomen (
|
||
<figureCitation id="133225CBD602FFD56D6815E52CB7FA94" box="[329,453,1266,1290]" captionStart="FIGURE 2" captionStartId="12.[151,250,1917,1940]" captionTargetBox="[221,1397,215,1896]" captionTargetId="figure-83@12.[191,1418,193,1925]" captionTargetPageId="12" captionText="FIGURE 2. Metacrangon bythos n. sp., holotype, female (cl 11.1 mm), CBM-ZC 6405. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view; C, abdomen, telson and right uropod, dorsal view; D, abdomen, lateral view (setae omitted); D, left side of anterior part of carapace and left cephalic appendages, dorsal view. Scale bars: 5 mm for A–D; 2 mm for E." pageId="11" pageNumber="12">Fig. 2C, D</figureCitation>
|
||
) fairly sculptured; first somite with trace of middorsal carina, second to fifth somites each with rather broad, clearly delimited middorsal carina. Tergites of first to fourth somites slightly elevated along posterior margins. Pleura of first to fifth somites each with shallow depressions laterally and accompanied blunt ridges or elevations; first pleuron with blunt ventral tooth, second and third pleura with obtuse ventral and anteroventral tooth respectively, fourth pleuron with rounded anteroventral and posteroventral margins, fifth with sharp posteroventral tooth. Sixth somite with clearly delimited submedian carinae; posterodorsal margin faintly concave; pleuron shallowly depressed; posterolateral projection terminating in acute tooth. Telson abnormal in
|
||
<typeStatus id="54B287ECD602FFD56CB614F92D8BF998" box="[151,249,1518,1542]" pageId="11" pageNumber="12" type="holotype">holotype</typeStatus>
|
||
(
|
||
<figureCitation id="133225CBD602FFD56D2914F92C2DF998" box="[264,351,1518,1542]" captionStart="FIGURE 2" captionStartId="12.[151,250,1917,1940]" captionTargetBox="[221,1397,215,1896]" captionTargetId="figure-83@12.[191,1418,193,1925]" captionTargetPageId="12" captionText="FIGURE 2. Metacrangon bythos n. sp., holotype, female (cl 11.1 mm), CBM-ZC 6405. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view; C, abdomen, telson and right uropod, dorsal view; D, abdomen, lateral view (setae omitted); D, left side of anterior part of carapace and left cephalic appendages, dorsal view. Scale bars: 5 mm for A–D; 2 mm for E." pageId="11" pageNumber="12">Fig. 2C</figureCitation>
|
||
), broken in
|
||
<typeStatus id="54B287ECD602FFD56DC714F82F38F999" box="[486,586,1519,1543]" pageId="11" pageNumber="12" type="paratype">paratype</typeStatus>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED602FFD56CE817042904F9D0" blockId="11.[151,1436,582,2011]" pageId="11" pageNumber="12">
|
||
Eye (
|
||
<figureCitation id="133225CBD602FFD56D2417052C2EF9B4" box="[261,348,1554,1578]" captionStart="FIGURE 2" captionStartId="12.[151,250,1917,1940]" captionTargetBox="[221,1397,215,1896]" captionTargetId="figure-83@12.[191,1418,193,1925]" captionTargetPageId="12" captionText="FIGURE 2. Metacrangon bythos n. sp., holotype, female (cl 11.1 mm), CBM-ZC 6405. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view; C, abdomen, telson and right uropod, dorsal view; D, abdomen, lateral view (setae omitted); D, left side of anterior part of carapace and left cephalic appendages, dorsal view. Scale bars: 5 mm for A–D; 2 mm for E." pageId="11" pageNumber="12">Fig. 2E</figureCitation>
|
||
) moderately stout, 1.3 times longer than wide; cornea as wide as eyestalk, corneal width about 0.13 of carapace length; eyestalk slightly constricted, bearing blunt or subacute tubercle.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED602FFD56CE8174D2E53F89C" blockId="11.[151,1436,582,2011]" pageId="11" pageNumber="12">
|
||
Antennular peduncle (
|
||
<figureCitation id="133225CBD602FFD56DE2174D2F6CF9EC" box="[451,542,1626,1650]" captionStart="FIGURE 2" captionStartId="12.[151,250,1917,1940]" captionTargetBox="[221,1397,215,1896]" captionTargetId="figure-83@12.[191,1418,193,1925]" captionTargetPageId="12" captionText="FIGURE 2. Metacrangon bythos n. sp., holotype, female (cl 11.1 mm), CBM-ZC 6405. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view; C, abdomen, telson and right uropod, dorsal view; D, abdomen, lateral view (setae omitted); D, left side of anterior part of carapace and left cephalic appendages, dorsal view. Scale bars: 5 mm for A–D; 2 mm for E." pageId="11" pageNumber="12">Figs 2E</figureCitation>
|
||
,
|
||
<figureCitation id="133225CBD602FFD56E0B174D2F3CF9EC" box="[554,590,1626,1650]" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="11" pageNumber="12">3A</figureCitation>
|
||
) relatively slender, slightly overreaching midlength of antennal scale. First segment with short, blunt distolateral process directed anteriorly; stylocerite terminating in subacute spine far falling short of tip of distolateral process of first segment, lateral margin gently convex. Second segment with short, blunt distolateral process. Outer flagellum subequal in length to peduncle, overreaching distal margin of lamella of antennal scale by half length, consisting of 13–15 articles.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED602FFD56CE8161928F7F80C" blockId="11.[151,1436,582,2011]" pageId="11" pageNumber="12">
|
||
Antenna (
|
||
<figureCitation id="133225CBD602FFD56D1616192CE0F8B8" box="[311,402,1806,1830]" captionStart="FIGURE 2" captionStartId="12.[151,250,1917,1940]" captionTargetBox="[221,1397,215,1896]" captionTargetId="figure-83@12.[191,1418,193,1925]" captionTargetPageId="12" captionText="FIGURE 2. Metacrangon bythos n. sp., holotype, female (cl 11.1 mm), CBM-ZC 6405. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view; C, abdomen, telson and right uropod, dorsal view; D, abdomen, lateral view (setae omitted); D, left side of anterior part of carapace and left cephalic appendages, dorsal view. Scale bars: 5 mm for A–D; 2 mm for E." pageId="11" pageNumber="12">Figs 2E</figureCitation>
|
||
,
|
||
<figureCitation id="133225CBD602FFD56DBE16192CB3F8B8" box="[415,449,1806,1830]" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="11" pageNumber="12">3A</figureCitation>
|
||
) with basicerite bearing dorsolateral distal angle produced in small subacute lobe, ventrodistal tooth slender, acute. Antennal scale 0.5 times as long as carapace and 3.1–3.2 times longer than wide; lateral margin faintly sinuous or faintly concave; distolateral tooth slightly overreaching distal margin of lamella; lamella tapering to rounded distal margin; notch separating distolateral tooth and distal lamella moderately deep.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED602FFD56CE816892946F844" blockId="11.[151,1436,582,2011]" pageId="11" pageNumber="12">
|
||
Third maxilliped relatively slender; ultimate segment gradually tapering distally in distal half, about 6.3 times longer than wide; penultimate segment about 2.2 times longer than wide (
|
||
<figureCitation id="133225CBD602FFD56FF116D52955F844" box="[976,1063,1986,2010]" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="11" pageNumber="12">Fig. 3B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="DF7669C6D605FFD26CB6166A2C06F871" pageId="12" pageNumber="13" startId="12.[151,250,1917,1940]" targetBox="[221,1397,215,1896]" targetPageId="12">
|
||
<paragraph id="8BB6394ED605FFD26CB6166A2C06F871" blockId="12.[151,1437,1917,2032]" pageId="12" pageNumber="13">
|
||
<emphasis id="B97DE55CD605FFD26CB6166A2C61F80A" bold="true" box="[151,275,1917,1940]" pageId="12" pageNumber="13">FIGURE 2.</emphasis>
|
||
<taxonomicName id="4C0942CDD605FFD26D3816692C98F80A" authority="Komai, 2012" authorityName="Komai" authorityYear="2012" box="[281,490,1918,1940]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="bythos" status="sp. nov.">
|
||
<emphasis id="B97DE55CD605FFD26D3816692C98F80A" box="[281,490,1918,1940]" italics="true" pageId="12" pageNumber="13">Metacrangon bythos</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B97DE55CD605FFD26DD116692F5BF80D" bold="true" box="[496,553,1918,1939]" pageId="12" pageNumber="13">
|
||
<taxonomicNameLabel id="A24E5827D605FFD26DD116692F5BF80D" box="[496,553,1918,1939]" pageId="12" pageNumber="13" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, holotype, female (cl 11.1 mm), CBM-ZC 6405. A, carapace and cephalic appendages, dorsal view (setae partially omitted); B, carapace, lateral view; C, abdomen, telson and right uropod, dorsal view; D, abdomen, lateral view (setae omitted); D, left side of anterior part of carapace and left cephalic appendages, dorsal view. Scale bars: 5 mm for A–D; 2 mm for E.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF7669C6D604FFD36CB6162E2838F877" pageId="13" pageNumber="14" startId="13.[151,250,1849,1872]" targetBox="[235,1353,197,1831]" targetPageId="13">
|
||
<paragraph id="8BB6394ED604FFD36CB6162E2838F877" blockId="13.[151,1436,1849,2025]" pageId="13" pageNumber="14">
|
||
<emphasis id="B97DE55CD604FFD36CB6162E2C66F8CE" bold="true" box="[151,276,1849,1872]" pageId="13" pageNumber="14">FIGURE 3.</emphasis>
|
||
<taxonomicName id="4C0942CDD604FFD36D3D162C2C9CF8CE" authority="Komai, 2012" authorityName="Komai" authorityYear="2012" box="[284,494,1850,1872]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="bythos" status="sp. nov.">
|
||
<emphasis id="B97DE55CD604FFD36D3D162C2C9CF8CE" box="[284,494,1850,1872]" italics="true" pageId="13" pageNumber="14">Metacrangon bythos</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B97DE55CD604FFD36DD7162D2F43F8D1" bold="true" box="[502,561,1850,1871]" pageId="13" pageNumber="14">
|
||
<taxonomicNameLabel id="A24E5827D604FFD36DD7162D2F43F8D1" box="[502,561,1850,1871]" pageId="13" pageNumber="14" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF7669C6D607FFD06CB615E929D8FAAD" pageId="14" pageNumber="15" startId="14.[151,250,1278,1301]" targetBox="[178,1410,224,1257]" targetPageId="14">
|
||
<paragraph id="8BB6394ED607FFD06CB615E929D8FAAD" blockId="14.[151,1435,1278,1331]" pageId="14" pageNumber="15">
|
||
<emphasis id="B97DE55CD607FFD06CB615E92C66FA8B" bold="true" box="[151,276,1278,1301]" pageId="14" pageNumber="15">FIGURE 4.</emphasis>
|
||
<taxonomicName id="4C0942CDD607FFD06D3D15E82C9CFA8A" authority="Komai, 2012" authorityName="Komai" authorityYear="2012" box="[284,494,1278,1300]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="bythos" status="sp. nov.">
|
||
<emphasis id="B97DE55CD607FFD06D3D15E82C9CFA8A" box="[284,494,1278,1300]" italics="true" pageId="14" pageNumber="15">Metacrangon bythos</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B97DE55CD607FFD06DD715E82F43FA8A" bold="true" box="[502,561,1279,1300]" pageId="14" pageNumber="15">
|
||
<taxonomicNameLabel id="A24E5827D607FFD06DD715E82F43FA8A" box="[502,561,1279,1300]" pageId="14" pageNumber="15" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, paratype, male (cl 6.5 mm), CBM-ZC 6402, Izu Islands, Japan. A, carapace, lateral view (setae omitted); B, anterior part of carapace and cephalic appendages, left side. Scale bars: 2 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BB6394ED607FFD06CE814482C20F9B5" blockId="14.[151,1436,1375,2011]" pageId="14" pageNumber="15">
|
||
First pereopod missing in both
|
||
<typeStatus id="54B287ECD607FFD06E0D14482FFCFAE9" box="[556,654,1375,1399]" pageId="14" pageNumber="15" type="holotype">holotype</typeStatus>
|
||
and
|
||
<typeStatus id="54B287ECD607FFD06EE614772E59FAE6" box="[711,811,1376,1400]" pageId="14" pageNumber="15" type="paratype">paratype</typeStatus>
|
||
. Second and third pereopods typical of genus (
|
||
<figureCitation id="133225CBD607FFD0696114482DD8FA05" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="14" pageNumber="15">Fig. 3E, F</figureCitation>
|
||
); third pereopod just reaching distal margin of antennal scale by tip of dactylus. Fourth pereopod (
|
||
<figureCitation id="133225CBD607FFD06919149428E1FA05" box="[1336,1427,1411,1435]" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="14" pageNumber="15">Fig. 3G</figureCitation>
|
||
) slightly falling short of distal margin of antennal scale; dactylus (
|
||
<figureCitation id="133225CBD607FFD06FA314B02EA9FA21" box="[898,987,1447,1471]" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="14" pageNumber="15">Fig. 3H</figureCitation>
|
||
) subspatulate, with fringe of numerous stiff setae on margins. Fifth pereopod (
|
||
<figureCitation id="133225CBD607FFD06E7914DC2FD4FA7D" box="[600,678,1483,1507]" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="14" pageNumber="15">Fig. 3I</figureCitation>
|
||
) with merus-ischium combined about 0.8 times as long as that of fourth pereopod; dactylus (
|
||
<figureCitation id="133225CBD607FFD06DEA14F82F68F999" box="[459,538,1519,1543]" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="14" pageNumber="15">Fig. 3J</figureCitation>
|
||
) subspatulate, 0.7–0.8 times as long as propodus, subequal in length to that of fourth pereopod.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED607FFD06CE8172029DAF9D1" blockId="14.[151,1436,1375,2011]" box="[201,1192,1591,1615]" pageId="14" pageNumber="15">
|
||
Uropodal exopod with spinule just mesial to base of acute posterolateral tooth (
|
||
<figureCitation id="133225CBD607FFD06860172029E9F9D1" box="[1089,1179,1591,1615]" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="14" pageNumber="15">Fig. 3K</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED607FFD06CE8174B2D85F845" blockId="14.[151,1436,1375,2011]" pageId="14" pageNumber="15">
|
||
<emphasis id="B97DE55CD607FFD06CE8174B2C70F9EA" box="[201,258,1628,1652]" italics="true" pageId="14" pageNumber="15">Male</emphasis>
|
||
. Armature on carapace (
|
||
<figureCitation id="133225CBD607FFD06E39174C2F02F9ED" box="[536,624,1627,1651]" captionStart="FIGURE 4" captionStartId="14.[151,250,1278,1301]" captionTargetBox="[178,1410,224,1257]" captionTargetId="figure-332@14.[151,1436,193,1257]" captionTargetPageId="14" captionText="FIGURE 4. Metacrangon bythos n. sp., paratype, male (cl 6.5 mm), CBM-ZC 6402, Izu Islands, Japan. A, carapace, lateral view (setae omitted); B, anterior part of carapace and cephalic appendages, left side. Scale bars: 2 mm." pageId="14" pageNumber="15">Fig. 4A</figureCitation>
|
||
) and abdominal sculpture stronger than in female. Rostrum (
|
||
<figureCitation id="133225CBD607FFD0693A174C28E1F9ED" box="[1307,1427,1627,1651]" captionStart="FIGURE 4" captionStartId="14.[151,250,1278,1301]" captionTargetBox="[178,1410,224,1257]" captionTargetId="figure-332@14.[151,1436,193,1257]" captionTargetPageId="14" captionText="FIGURE 4. Metacrangon bythos n. sp., paratype, male (cl 6.5 mm), CBM-ZC 6402, Izu Islands, Japan. A, carapace, lateral view (setae omitted); B, anterior part of carapace and cephalic appendages, left side. Scale bars: 2 mm." pageId="14" pageNumber="15">Fig. 4A, B</figureCitation>
|
||
) 0.25 times as long as carapace, slightly ascending (angle against horizontal plane of carapace about 15°). Carapace (
|
||
<figureCitation id="133225CBD607FFD06CBE17B42D84F925" box="[159,246,1699,1723]" captionStart="FIGURE 4" captionStartId="14.[151,250,1278,1301]" captionTargetBox="[178,1410,224,1257]" captionTargetId="figure-332@14.[151,1436,193,1257]" captionTargetPageId="14" captionText="FIGURE 4. Metacrangon bythos n. sp., paratype, male (cl 6.5 mm), CBM-ZC 6402, Izu Islands, Japan. A, carapace, lateral view (setae omitted); B, anterior part of carapace and cephalic appendages, left side. Scale bars: 2 mm." pageId="14" pageNumber="15">Fig. 4A</figureCitation>
|
||
) with anterior middorsal tooth greatly elongate, obliquely erect (angle against horizontal plane of carapace about 40°); posterior tooth strong, hooked, arising at about 0.60 of carapace length; antennal and branchiostegal teeth ascending in similar degree to rostrum. Corneal width 0.15 of carapace length. Second segment of antennular peduncle bearing acutely pointed distolateral process; antennular flagellum distinctly longer than peduncle, overreaching distal margin of antennal scale by about 0.8 length, consisting of 18 articles (articles nearly as long as or slightly wider than long except for first article) (
|
||
<figureCitation id="133225CBD607FFD06E9916402E62F8F1" box="[696,784,1879,1903]" captionStart="FIGURE 4" captionStartId="14.[151,250,1278,1301]" captionTargetBox="[178,1410,224,1257]" captionTargetId="figure-332@14.[151,1436,193,1257]" captionTargetPageId="14" captionText="FIGURE 4. Metacrangon bythos n. sp., paratype, male (cl 6.5 mm), CBM-ZC 6402, Izu Islands, Japan. A, carapace, lateral view (setae omitted); B, anterior part of carapace and cephalic appendages, left side. Scale bars: 2 mm." pageId="14" pageNumber="15">Fig. 4B</figureCitation>
|
||
). First pereopod (
|
||
<figureCitation id="133225CBD607FFD06FF916402923F8F1" box="[984,1105,1879,1903]" captionStart="FIGURE 3" captionStartId="13.[151,250,1849,1872]" captionTargetBox="[235,1353,197,1831]" captionTargetId="figure-147@13.[213,1374,175,1852]" captionTargetPageId="13" captionText="FIGURE 3. Metacrangon bythos n. sp. A, B, E–J, holotype, female (cl 11.1 mm), CBM-ZC 6405, Izu Islands, Japan; C, D, paratype, male (cl 6.5 mm), CBM-ZC 6402. A, anterior part of carapace and cephalic appendages, lateral view; B, distal two segments of third maxilliped, ventral (flexor) view (setae omitted); C, right first pereopod, lateral view; D, same, chela, dorsal (extensor) view (setae omitted); E, left second pereopod, lateral view; F, left third pereopod, lateral view; G, left fourth pereopod, lateral view; H, same, dactylus, flexor view; I, left fifth pereopod, lateral view; J, same, dactylus, flexor view; K, posterolateral tooth of left uropodal exopod, dorsal view. Scale bars: 5 mm for A; 2 mm for B, E–G, I; 1 mm for C, D, H, J, K." pageId="14" pageNumber="15">Fig. 3C, D</figureCitation>
|
||
) relatively slender for genus; palm not particularly narrowed or widened, 3.8 times longer than wide, lateral and mesial margins nearly straight; carpus without distolateral tooth; merus with small dorsodistal tooth, ventral margin very slightly convex, sharply carinate.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED606FFD16CE8118028F0FF31" blockId="15.[151,1436,151,860]" box="[201,1410,151,176]" pageId="15" pageNumber="16">
|
||
<emphasis id="B97DE55CD606FFD16CE811802C23FF2E" bold="true" box="[201,337,151,176]" inLineHeading="true" pageId="15" pageNumber="16" reason="1">Coloration.</emphasis>
|
||
In life, body and appendages generally white; cornea of eye light gray, with reflecting pigment.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED606FFD16CE811AC2975FF4D" blockId="15.[151,1436,151,860]" box="[201,1031,187,212]" pageId="15" pageNumber="16">
|
||
<emphasis id="B97DE55CD606FFD16CE811AC2D8BFF4A" bold="true" box="[201,249,187,212]" pageId="15" pageNumber="16">Size</emphasis>
|
||
. Largest male cl
|
||
<quantity id="4CF194ABD606FFD16D9B11AB2F61FF4D" box="[442,531,188,212]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" pageId="15" pageNumber="16" unit="mm" value="6.5">6.5 mm</quantity>
|
||
; largest female (spawning molt) cl
|
||
<quantity id="4CF194ABD606FFD16FBC11AB2971FF4D" box="[925,1027,188,212]" metricMagnitude="-2" metricUnit="m" metricValue="1.1099999999999999" pageId="15" pageNumber="16" unit="mm" value="11.1">11.1 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3136AC5D606FFD16CE811C82E38FF69" box="[201,842,223,248]" pageId="15" pageNumber="16" type="distribution">
|
||
<paragraph id="8BB6394ED606FFD16CE811C82E38FF69" blockId="15.[151,1436,151,860]" box="[201,842,223,248]" pageId="15" pageNumber="16">
|
||
<emphasis id="B97DE55CD606FFD16CE811C82C10FF66" bold="true" box="[201,354,223,248]" inLineHeading="true" pageId="15" pageNumber="16" reason="1">Distribution.</emphasis>
|
||
Izu Islands,
|
||
<collectingCountry id="F31E79DED606FFD16DD011F72F43FF69" box="[497,561,224,247]" name="Japan" pageId="15" pageNumber="16">Japan</collectingCountry>
|
||
(
|
||
<figureCitation id="133225CBD606FFD16E6111C82FE6FF69" box="[576,660,223,247]" captionStart="FIGURE 39" captionStartId="70.[151,250,1523,1546]" captionTargetBox="[151,1436,483,1487]" captionTargetId="figure-385@70.[151,1436,483,1496]" captionTargetPageId="70" captionText="FIGURE 39. Geographical distribution of Metacrangon bythos n. sp. (), M. ochotensis Kobjakova, 1955 () and M. similis Komai, 1997 ()." pageId="15" pageNumber="16">Fig. 39</figureCitation>
|
||
);
|
||
<quantity id="4CF194ABD606FFD16E8811C82E34FF69" box="[681,838,223,247]" metricMagnitude="3" metricUnit="m" metricValue="2.253" metricValueMax="2.518" metricValueMin="1.988" pageId="15" pageNumber="16" unit="m" value="2253.0" valueMax="2518.0" valueMin="1988.0">1988–2518 m</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3136AC5D606FFD16CE810132C1EFC8A" pageId="15" pageNumber="16" type="discussion">
|
||
<paragraph id="8BB6394ED606FFD16CE81013296BFDA2" blockId="15.[151,1436,151,860]" pageId="15" pageNumber="16">
|
||
<emphasis id="B97DE55CD606FFD16CE810132C4FFE82" bold="true" box="[201,317,260,284]" inLineHeading="true" pageId="15" pageNumber="16" reason="1">Remarks.</emphasis>
|
||
This new species is similar to
|
||
<taxonomicName id="4C0942CDD606FFD16EB910122E6AFE82" baseAuthorityName="Smith" baseAuthorityYear="1882" box="[664,792,261,284]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="agassizi">
|
||
<emphasis id="B97DE55CD606FFD16EB910122E6AFE82" box="[664,792,261,284]" italics="true" pageId="15" pageNumber="16">M. agassizi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C0942CDD606FFD16F0710122EB0FE82" baseAuthorityName="Kobjakova" baseAuthorityYear="1955" box="[806,962,260,284]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="ochotensis">
|
||
<emphasis id="B97DE55CD606FFD16F0710122EB0FE82" box="[806,962,260,284]" italics="true" pageId="15" pageNumber="16">M. ochotensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C0942CDD606FFD16FF01012292AFE82" authority="Komai, 2012" authorityName="Komai" authorityYear="2012" box="[977,1112,261,284]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="punctata" status="sp. nov.">
|
||
<emphasis id="B97DE55CD606FFD16FF01012292AFE82" box="[977,1112,261,284]" italics="true" pageId="15" pageNumber="16">M. punctata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B97DE55CD606FFD16841101329EDFE82" bold="true" box="[1120,1183,260,284]" pageId="15" pageNumber="16">
|
||
<taxonomicNameLabel id="A24E5827D606FFD16841101329EDFE82" box="[1120,1183,260,284]" pageId="15" pageNumber="16" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C0942CDD606FFD168F610122837FE82" authorityName="Komai" authorityYear="1997" box="[1239,1349,260,284]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="similis">
|
||
<emphasis id="B97DE55CD606FFD168F610122837FE82" box="[1239,1349,260,284]" italics="true" pageId="15" pageNumber="16">M. similis</emphasis>
|
||
</taxonomicName>
|
||
in having distinct middorsal carina on the second to fifth abdominal somites.
|
||
<taxonomicName id="4C0942CDD606FFD16F96103E29ECFEDE" authority="Komai, 2012" authorityName="Komai" authorityYear="2012" box="[951,1182,296,320]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="bythos" status="sp. nov.">
|
||
<emphasis id="B97DE55CD606FFD16F96103E29ECFEDE" box="[951,1182,296,320]" italics="true" pageId="15" pageNumber="16">Metacrangon bythos</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B97DE55CD606FFD16887103F2997FEDE" bold="true" box="[1190,1253,296,320]" pageId="15" pageNumber="16">
|
||
<taxonomicNameLabel id="A24E5827D606FFD16887103F2997FEDE" box="[1190,1253,296,320]" pageId="15" pageNumber="16" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is distinguished from
|
||
<taxonomicName id="4C0942CDD606FFD16CF5105A2C26FEFA" baseAuthorityName="Smith" baseAuthorityYear="1882" box="[212,340,333,356]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="agassizi">
|
||
<emphasis id="B97DE55CD606FFD16CF5105A2C26FEFA" box="[212,340,333,356]" italics="true" pageId="15" pageNumber="16">M. agassizi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C0942CDD606FFD16D42105A2C98FEFA" authorityName="Komai" authorityYear="2012" box="[355,490,333,356]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="punctata">
|
||
<emphasis id="B97DE55CD606FFD16D42105A2C98FEFA" box="[355,490,333,356]" italics="true" pageId="15" pageNumber="16">M. punctata</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C0942CDD606FFD16E00105A2FFDFEFA" authorityName="Komai" authorityYear="1997" box="[545,655,332,356]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="similis">
|
||
<emphasis id="B97DE55CD606FFD16E00105A2FFDFEFA" box="[545,655,332,356]" italics="true" pageId="15" pageNumber="16">M. similis</emphasis>
|
||
</taxonomicName>
|
||
by the shorter stylocerite of the antennular peduncle, falling far short of the distolateral process on the first segment of the antennular peduncle. In the latter three species, the stylocerite reaches or overreaches the distolateral process of the first segment of the antennular peduncle. The proportionally narrower antennal scale distinguishes
|
||
<taxonomicName id="4C0942CDD606FFD16E6E10AE2FB3FE4E" authorityName="Komai" authorityYear="2012" box="[591,705,440,464]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="bythos">
|
||
<emphasis id="B97DE55CD606FFD16E6E10AE2FB3FE4E" box="[591,705,440,464]" italics="true" pageId="15" pageNumber="16">M. bythos</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<taxonomicName id="4C0942CDD606FFD16F2D10AE2EFDFE51" baseAuthorityName="Smith" baseAuthorityYear="1882" box="[780,911,440,464]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="agassizi">
|
||
<emphasis id="B97DE55CD606FFD16F2D10AE2EFDFE51" box="[780,911,440,464]" italics="true" pageId="15" pageNumber="16">M. agassizi</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C0942CDD606FFD16FED10AE294CFE4E" authorityName="Komai" authorityYear="1997" box="[972,1086,440,464]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="similis">
|
||
<emphasis id="B97DE55CD606FFD16FED10AE294CFE4E" box="[972,1086,440,464]" italics="true" pageId="15" pageNumber="16">M. similis</emphasis>
|
||
</taxonomicName>
|
||
(the antennal scale is 3.1–3.2 times longer than wide in
|
||
<taxonomicName id="4C0942CDD606FFD16D9E10CA2F5CFE6A" authorityName="Komai" authorityYear="2012" box="[447,558,476,500]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="bythos">
|
||
<emphasis id="B97DE55CD606FFD16D9E10CA2F5CFE6A" box="[447,558,476,500]" italics="true" pageId="15" pageNumber="16">M. bythos</emphasis>
|
||
</taxonomicName>
|
||
, 2.1–2.4 times in
|
||
<taxonomicName id="4C0942CDD606FFD16EDD10CA2E0EFE6A" baseAuthorityName="Smith" baseAuthorityYear="1882" box="[764,892,477,500]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="agassizi">
|
||
<emphasis id="B97DE55CD606FFD16EDD10CA2E0EFE6A" box="[764,892,477,500]" italics="true" pageId="15" pageNumber="16">M. agassizi</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<quantity id="4CF194ABD606FFD16F9D10CB295CFE6A" box="[956,1070,476,500]" metricMagnitude="-2" metricUnit="m" metricValue="6.858" metricValueMax="7.366" metricValueMin="6.35" pageId="15" pageNumber="16" unit="in" value="2.7" valueMax="2.9" valueMin="2.5">2.5–2.9 in</quantity>
|
||
<taxonomicName id="4C0942CDD606FFD1681410CA29D7FE6A" authorityName="Komai" authorityYear="1997" box="[1077,1189,476,500]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="similis">
|
||
<emphasis id="B97DE55CD606FFD1681410CA29D7FE6A" box="[1077,1189,476,500]" italics="true" pageId="15" pageNumber="16">M. similis</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
<taxonomicName id="4C0942CDD606FFD1689C10CA2DA5FD89" baseAuthorityName="Kobjakova" baseAuthorityYear="1955" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="ochotensis">
|
||
<emphasis id="B97DE55CD606FFD1689C10CA2DA5FD89" italics="true" pageId="15" pageNumber="16">Metacrangon ochotensis</emphasis>
|
||
</taxonomicName>
|
||
resembles
|
||
<taxonomicName id="4C0942CDD606FFD16D7713162CB7FD86" authorityName="Komai" authorityYear="2012" box="[342,453,512,536]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="bythos">
|
||
<emphasis id="B97DE55CD606FFD16D7713162CB7FD86" box="[342,453,512,536]" italics="true" pageId="15" pageNumber="16">M. bythos</emphasis>
|
||
</taxonomicName>
|
||
in the short antennular stylocerite, but as mentioned above,
|
||
<taxonomicName id="4C0942CDD606FFD1684F13162878FD86" baseAuthorityName="Kobjakova" baseAuthorityYear="1955" box="[1134,1290,512,536]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="ochotensis">
|
||
<emphasis id="B97DE55CD606FFD1684F13162878FD86" box="[1134,1290,512,536]" italics="true" pageId="15" pageNumber="16">M. ochotensis</emphasis>
|
||
</taxonomicName>
|
||
is characterized by the strong sculpture on the abdomen and the shape of the antennal scale.
|
||
</paragraph>
|
||
<paragraph id="8BB6394ED606FFD16CE8135E2C1EFC8A" blockId="15.[151,1436,151,860]" pageId="15" pageNumber="16">
|
||
<taxonomicName id="4C0942CDD606FFD16CE8135E2CFAFDC1" box="[201,392,584,608]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="undetermined">
|
||
<emphasis id="B97DE55CD606FFD16CE8135E2C12FDFE" box="[201,352,585,608]" italics="true" pageId="15" pageNumber="16">Metacrangon</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
reported by
|
||
<bibRefCitation id="EF9844BFD606FFD16E3B13502E36FDC1" author="Komai, T. & Komatsu, H." box="[538,836,583,607]" pageId="15" pageNumber="16" pagination="495 - 580" refId="ref44728" refString="Komai, T. & Komatsu, H. (2009) Deep-sea shrimps and lobsters (Crustacea: Decapoda: Penaeidea, Caridea, Polychelidea) from northern Japan, collected during the project ' Research on deep-sea fauna and pollutants off Pacific coast of northern Honshu, Japan, 2005 - 2008 '. National Museum of Nature and Science Monographs, 39, 495 - 580." type="journal article" year="2009">Komai & Komatsu (2009)</bibRefCitation>
|
||
from off Sohma,
|
||
<collectingRegion id="49CDF7ACD606FFD1683113502879FDC1" box="[1040,1291,583,607]" country="Japan" name="Fukushima" pageId="15" pageNumber="16">Fukushima Prefecture</collectingRegion>
|
||
, at depths of
|
||
<quantity id="4CF194ABD606FFD16CB6137B2C42FD1D" box="[151,304,620,644]" metricMagnitude="3" metricUnit="m" metricValue="1.4885" metricValueMax="1.511" metricValueMin="1.466" pageId="15" pageNumber="16" unit="m" value="1488.5" valueMax="1511.0" valueMin="1466.0">1466–1511 m</quantity>
|
||
is very similar to
|
||
<taxonomicName id="4C0942CDD606FFD16DDA137A2F1BFD1A" authority="Komai, 2012" authorityName="Komai" authorityYear="2012" box="[507,617,620,644]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="bythos" status="sp. nov.">
|
||
<emphasis id="B97DE55CD606FFD16DDA137A2F1BFD1A" box="[507,617,620,644]" italics="true" pageId="15" pageNumber="16">M. bythos</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B97DE55CD606FFD16E51137B2FDCFD1A" bold="true" box="[624,686,620,644]" pageId="15" pageNumber="16">
|
||
<taxonomicNameLabel id="A24E5827D606FFD16E51137B2FDCFD1A" box="[624,686,620,644]" pageId="15" pageNumber="16" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
Nevertheless, the
|
||
<specimenCount id="9D0FF2C7D606FFD16F5F137B2956FD1A" box="[894,1060,620,644]" pageId="15" pageNumber="16" type="generic">two specimens</specimenCount>
|
||
referred to the unidentified taxon differ from
|
||
<taxonomicName id="4C0942CDD606FFD16D3B13862CFBFD36" authorityName="Komai" authorityYear="2012" box="[282,393,656,680]" class="Malacostraca" family="Crangonidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="15" pageNumber="16" phylum="Arthropoda" rank="species" species="bythos">
|
||
<emphasis id="B97DE55CD606FFD16D3B13862CFBFD36" box="[282,393,656,680]" italics="true" pageId="15" pageNumber="16">M. bythos</emphasis>
|
||
</taxonomicName>
|
||
in the less produced distolateral process on the first segment of the antennular peduncle and the distolateral tooth of the antennal scale falling short of the lamella. These specimens are small (male cl
|
||
<quantity id="4CF194ABD606FFD1691E13A328EAFD55" box="[1343,1432,692,716]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" pageId="15" pageNumber="16" unit="mm" value="5.5">5.5 mm</quantity>
|
||
; female cl
|
||
<quantity id="4CF194ABD606FFD16D3313C02C1DFD71" box="[274,367,727,751]" metricMagnitude="-3" metricUnit="m" metricValue="5.3" pageId="15" pageNumber="16" unit="mm" value="5.3">5.3 mm</quantity>
|
||
) and damaged, and therefore positive identification is postponed until additional material becomes available.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3136AC5D606FFD16CE812372FC1FCC2" pageId="15" pageNumber="16" type="etymology">
|
||
<paragraph id="8BB6394ED606FFD16CE812372FC1FCC2" blockId="15.[151,1436,151,860]" pageId="15" pageNumber="16">
|
||
<emphasis id="B97DE55CD606FFD16CE812372C3DFCA9" box="[201,335,800,824]" inLineHeading="true" pageId="15" pageNumber="16" reason="1">
|
||
<emphasis id="B97DE55CD606FFD16CE812372C3AFCA6" bold="true" box="[201,328,800,824]" pageId="15" pageNumber="16">Etymology</emphasis>
|
||
.
|
||
</emphasis>
|
||
The specific name is from the Greek for “from the deep”, and refers to the deep habitat of the new species, relative to that of most of its congeners.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |