258 lines
37 KiB
XML
258 lines
37 KiB
XML
<document id="A904F1466F059FF15164D3057A8E660D" ID-DOI="10.5281/zenodo.191826" ID-GBIF-Dataset="5a490c1b-a948-4a43-8af6-49311785a298" ID-ISSN="1175-5326" ID-Zenodo-Dep="191826" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461136350375" checkinUser="plazi" docAuthor="Tandberg, Anne Helene S." docDate="2009" docId="565387F3FF90E35270C74BFA10FE2E7C" docLanguage="en" docName="zt02309p068.pdf" docOrigin="Zootaxa 2309" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Metopa dawsoni J.L. Barnard 1962" docType="treatment" docVersion="9" lastPageNumber="53" masterDocId="AA6AFF8BFF96E35870504A0E13342A07" masterDocTitle="A redescription of Metopa species (Amphipoda, Stenothoidae) based on the type material. 2. The United States National Museum of Natural History (NMNH)" masterLastPageNumber="68" masterPageNumber="43" pageNumber="49" updateTime="1698598543382" updateUser="plazi">
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<mods:titleInfo id="EDBB9A9CA8F1A81F44654A5E4AE7734B">
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<mods:title id="216225500E233CFABC30AA2B08C05C18">A redescription of Metopa species (Amphipoda, Stenothoidae) based on the type material. 2. The United States National Museum of Natural History (NMNH)</mods:title>
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<mods:name id="11635F35480CCD3F9B6B35AD6C68FE0C" type="personal">
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<mods:namePart id="5565004770B00ED24EF11B1A904692C7">Tandberg, Anne Helene S.</mods:namePart>
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<mods:typeOfResource id="A98506610D56512D628A8195FA7F6B0F">text</mods:typeOfResource>
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<mods:title id="8A3617A88FE00008C373788771473490">Zootaxa</mods:title>
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<mods:part id="20A6B3DF4D6EBEAAF9143C7F78A2E111">
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<mods:date id="CEC2EAEB0AD06E6A0BABE7B65BB583E2">2009</mods:date>
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<mods:detail id="939BF64016B399D8DAD8DCBBA8B1098F" type="volume">
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<mods:number id="0D8770B13ACB5F01E7F2DAB58C6BC08B">2309</mods:number>
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<mods:start id="2048C72BD65F441D4E94A7B470BC5629">43</mods:start>
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<mods:classification id="10CCA82DAC62B0D7EDBD59B27E3D1C8E">journal article</mods:classification>
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<mods:identifier id="0F8E16066FD1A17FFBCA5698C7FD16EF" type="DOI">10.5281/zenodo.191826</mods:identifier>
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<mods:identifier id="1C4FA17665B81FFB7492CDFCF73AB061" type="GBIF-Dataset">5a490c1b-a948-4a43-8af6-49311785a298</mods:identifier>
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<mods:identifier id="C73BCD8FBA8F438DDA55DBD48853D8EA" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="B163285788B09F0A89FA7F5CF5FE6BFD" type="Zenodo-Dep">191826</mods:identifier>
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<treatment id="565387F3FF90E35270C74BFA10FE2E7C" ID-DOI="http://doi.org/10.5281/zenodo.6219698" ID-GBIF-Taxon="119627537" ID-Zenodo-Dep="6219698" LSID="urn:lsid:plazi:treatment:565387F3FF90E35270C74BFA10FE2E7C" httpUri="http://treatment.plazi.org/id/565387F3FF90E35270C74BFA10FE2E7C" lastPageId="10" lastPageNumber="53" pageId="6" pageNumber="49">
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<subSubSection id="96E0656EFF90E35E70C74BFA1165280A" box="[151,593,499,526]" pageId="6" pageNumber="49" type="nomenclature">
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<paragraph id="DE4536E5FF90E35E70C74BFA1165280A" blockId="6.[151,593,499,526]" box="[151,593,499,526]" pageId="6" pageNumber="49">
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<heading id="850D8189FF90E35E70C74BFA1165280A" bold="true" box="[151,593,499,526]" fontSize="11" level="1" pageId="6" pageNumber="49" reason="1">
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<taxonomicName id="19FA4D66FF90E35E70C74BFA1165280A" ID-CoL="42GK5" authority="J.L. Barnard, 1962" authorityName="J.L. Barnard" authorityYear="1962" box="[151,593,499,526]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="6" pageNumber="49" phylum="Arthropoda" rank="species" species="dawsoni">
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<emphasis id="EC8EEAF7FF90E35E70C74BFA1165280A" bold="true" box="[151,593,499,526]" pageId="6" pageNumber="49">
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<emphasis id="EC8EEAF7FF90E35E70C74BFA12692809" bold="true" box="[151,349,500,526]" italics="true" pageId="6" pageNumber="49">Metopa dawsoni</emphasis>
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<bibRefCitation id="BA6B4B14FF90E35E71344BFD1165280A" author="Barnard" box="[356,593,499,525]" pageId="6" pageNumber="49" refString="Barnard, J. L. (1962) Benthic Marine Amphipoda of Southern California: 3. Families Amphilochidae, Leucothoidae, Stenothoidae, Argissidae, Hyalidae. Pacific Naturalist, 3, 116 - 163." type="journal article" year="1962">J.L. Barnard, 1962</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="96E0656EFF90E35E70C74833126B2873" pageId="6" pageNumber="49" type="reference_group">
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<paragraph id="DE4536E5FF90E35E70C74833126B2873" blockId="6.[151,752,573,628]" pageId="6" pageNumber="49">
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<treatmentCitationGroup id="FEEA11CBFF90E35E70C74833126B2873" pageId="6" pageNumber="49">
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<taxonomicName id="19FA4D66FF90E35E70C7483311222853" ID-CoL="42GK5" authority="Barnard 1962: 139" authorityName="Barnard" authorityPageNumber="139" authorityYear="1962" box="[151,534,573,596]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="6" pageNumber="49" phylum="Arthropoda" rank="species" species="dawsoni">
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<emphasis id="EC8EEAF7FF90E35E70C74833127C2853" box="[151,328,573,596]" italics="true" pageId="6" pageNumber="49">Metopa dawsoni</emphasis>
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<treatmentCitation id="5F5B10F4FF90E35E711E483311222853" author="Barnard" box="[334,534,573,596]" page="139" pageId="6" pageNumber="49" year="1962">
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<bibRefCitation id="BA6B4B14FF90E35E711E483312D02853" author="Barnard" box="[334,484,573,596]" pageId="6" pageNumber="49" refString="Barnard, J. L. (1962) Benthic Marine Amphipoda of Southern California: 3. Families Amphilochidae, Leucothoidae, Stenothoidae, Argissidae, Hyalidae. Pacific Naturalist, 3, 116 - 163." type="journal article" year="1962">Barnard 1962</bibRefCitation>
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: 139
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</treatmentCitation>
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</taxonomicName>
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–142, figs 10 and 11
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<treatmentCitation id="5F5B10F4FF90E35E70C74853126B2873" author="Barnard" box="[151,351,605,628]" page="246" pageId="6" pageNumber="49" year="1964">
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<bibRefCitation id="BA6B4B14FF90E35E70C7485312182873" author="Barnard" box="[151,300,605,628]" pageId="6" pageNumber="49" refString="Barnard, J. L. (1964) Los anfipodos bentonicos marinos de la costa occidental de Baja California. Revista de la Sociedad Mexicana de Historia Natural, 24, 205 - 272." type="journal article" year="1964">Barnard 1964</bibRefCitation>
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: 246
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</treatmentCitation>
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection id="96E0656EFF90E35270C748AD10B12BED" lastPageId="10" lastPageNumber="53" pageId="6" pageNumber="49" type="materials_examined">
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<paragraph id="DE4536E5FF90E35E70C748AD11C628B9" blockId="6.[151,1437,675,2016]" box="[151,754,675,702]" pageId="6" pageNumber="49">
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<emphasis id="EC8EEAF7FF90E35E70C748AD127428BA" bold="true" box="[151,320,675,701]" pageId="6" pageNumber="49">
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<typeStatus id="01418847FF90E35E70C748AD13E028BA" box="[151,212,675,701]" pageId="6" pageNumber="49">Type</typeStatus>
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locality:
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</emphasis>
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Southern California (
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<bibRefCitation id="BA6B4B14FF90E35E726F48AA11DE28B9" author="Barnard" box="[575,746,676,702]" pageId="6" pageNumber="49" refString="Barnard, J. L. (1962) Benthic Marine Amphipoda of Southern California: 3. Families Amphilochidae, Leucothoidae, Stenothoidae, Argissidae, Hyalidae. Pacific Naturalist, 3, 116 - 163." type="journal article" year="1962">Barnard, 1962</bibRefCitation>
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)
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</paragraph>
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<paragraph id="DE4536E5FF90E35E70C748C412102935" blockId="6.[151,1437,675,2016]" pageId="6" pageNumber="49">
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<emphasis id="EC8EEAF7FF90E35E70C748C412BE28E3" bold="true" box="[151,394,714,740]" pageId="6" pageNumber="49">Material examined.</emphasis>
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Morphological examination:
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<collectionCode id="B8EBAE20FF90E35E72B648C4107428E3" box="[742,832,714,740]" httpUri="http://grbio.org/cool/142r-0w94" name="Smithsonian Institution, National Museum of Natural History" pageId="6" pageNumber="49">NMNH</collectionCode>
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106858-59, Southern California. Barnard No 6098. female,
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<quantity id="19029B00FF90E35E70A448FF1201290C" box="[244,309,753,779]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="6" pageNumber="49" unit="mm" value="5.0">5mm</quantity>
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.
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<geoCoordinate id="BBCE5022FF90E35E716F48FF12E4290C" box="[319,464,753,779]" direction="north" orientation="latitude" pageId="6" pageNumber="49" precision="15" value="33.645836">33°38’45”N</geoCoordinate>
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,
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<geoCoordinate id="BBCE5022FF90E35E718D48FF11B4290C" box="[477,640,753,779]" direction="west" orientation="longitude" pageId="6" pageNumber="49" precision="15" value="-118.24583">118°14’45”W</geoCoordinate>
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, 44,5m
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<date id="AA441025FF90E35E728D48FF1073290C" box="[733,839,753,779]" pageId="6" pageNumber="49" value="1959-02">Feb1959</date>
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. (from
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<typeStatus id="01418847FF90E35E73CB48FF10F9290C" box="[923,973,753,779]" pageId="6" pageNumber="49">type</typeStatus>
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locality, but not same lot as
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<typeStatus id="01418847FF90E35E754848FF1679290C" box="[1304,1357,753,779]" pageId="6" pageNumber="49">type</typeStatus>
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, ID by JL Barnard)
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</paragraph>
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<paragraph id="DE4536E5FF90E35E7096493012F8295F" blockId="6.[151,1437,675,2016]" box="[198,460,830,856]" pageId="6" pageNumber="49">See figures 5, 6 and 7.</paragraph>
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<paragraph id="DE4536E5FF90E35E7096496B11FD2978" blockId="6.[151,1437,675,2016]" box="[198,713,869,895]" pageId="6" pageNumber="49">
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<emphasis id="EC8EEAF7FF90E35E7096496B112D2978" bold="true" box="[198,537,869,895]" pageId="6" pageNumber="49">Morphological description.</emphasis>
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Female,
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<quantity id="19029B00FF90E35E72D5496B11F12978" box="[645,709,869,895]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="6" pageNumber="49" unit="mm" value="5.0">5mm</quantity>
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.
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</paragraph>
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<paragraph id="DE4536E5FF90E35E7095498211022FED" blockId="6.[151,1437,675,2016]" pageId="6" pageNumber="49">
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Head: epistome small and rounded, cephalic lobe rounded; eye 1/3 of head length, round and well defined. Antenna 1 (
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<figureCitation id="46C12A60FF90E35E717A49BC124C29CB" box="[298,376,946,972]" captionStart="FIGURE 5" captionStartId="7.[151,257,1962,1986]" captionTargetBox="[234,1352,274,1930]" captionTargetId="figure@7.[234,1353,274,1930]" captionTargetPageId="7" captionText="FIGURE 5. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: antenna 1, antenna 2, mandible, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191831/files/figure.png" pageId="6" pageNumber="49">Fig. 5</figureCitation>
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): long and slender, subequal to body length, peduncle article 2 longer than article 1, flagellum 13–15-articulate, minute thin and simple setules on each article; no accessory flagellum observed. Antenna 2 (
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<figureCitation id="46C12A60FF90E35E71704E0E125C2E1D" box="[288,360,1024,1050]" captionStart="FIGURE 5" captionStartId="7.[151,257,1962,1986]" captionTargetBox="[234,1352,274,1930]" captionTargetId="figure@7.[234,1353,274,1930]" captionTargetPageId="7" captionText="FIGURE 5. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: antenna 1, antenna 2, mandible, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191831/files/figure.png" pageId="6" pageNumber="49">Fig. 5</figureCitation>
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): long and slender, slightly shorter than antenna 1; article 4 approximately as long as article 5, peduncle approximately
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<date id="AA441025FF90E35E718E4E2812C82E47" box="[478,508,1062,1088]" pageId="6" pageNumber="49">3x</date>
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flagellum length; flagellum 8-articulate, each article with two minute simple setae. Mandible (
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<figureCitation id="46C12A60FF90E35E713B4E43128C2E60" box="[363,440,1101,1127]" captionStart="FIGURE 5" captionStartId="7.[151,257,1962,1986]" captionTargetBox="[234,1352,274,1930]" captionTargetId="figure@7.[234,1353,274,1930]" captionTargetPageId="7" captionText="FIGURE 5. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: antenna 1, antenna 2, mandible, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191831/files/figure.png" pageId="6" pageNumber="49">Fig. 5</figureCitation>
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): mandibular palp 3-articulate, article 1 short and article 3 minute; cross-section circular, long thin simple setae on two outer articles; lacinia mobilis and incisor well developed and serrate; no molar. Maxilla 1 (
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<figureCitation id="46C12A60FF90E35E713D4E9412822EB3" box="[365,438,1178,1204]" captionStart="FIGURE 5" captionStartId="7.[151,257,1962,1986]" captionTargetBox="[234,1352,274,1930]" captionTargetId="figure@7.[234,1353,274,1930]" captionTargetPageId="7" captionText="FIGURE 5. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: antenna 1, antenna 2, mandible, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191831/files/figure.png" pageId="6" pageNumber="49">Fig. 5</figureCitation>
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): inner plate with one distal simple seta; outer plate with four cuspidate, one conate and two simple setae and one smooth tooth apically, a row of simple setae along inner margin; palp 1- articulate, reaching 1.5x length of outer plate, with a series of serrate cuspidate teeth apically (sadly, this was not very well visible in the microscopic slide, and is missing in the illustration). Maxilla 2 (
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<figureCitation id="46C12A60FF90E35E74914F00163D2F2F" box="[1217,1289,1294,1320]" captionStart="FIGURE 5" captionStartId="7.[151,257,1962,1986]" captionTargetBox="[234,1352,274,1930]" captionTargetId="figure@7.[234,1353,274,1930]" captionTargetPageId="7" captionText="FIGURE 5. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: antenna 1, antenna 2, mandible, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191831/files/figure.png" pageId="6" pageNumber="49">Fig. 5</figureCitation>
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): outer plate in normal position to inner plate, slightly longer; both plates with simple setae apically: three on inner plate and 10 on outer. Maxilliped (
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<figureCitation id="46C12A60FF90E35E71BA4F5211052F71" box="[490,561,1372,1398]" captionStart="FIGURE 5" captionStartId="7.[151,257,1962,1986]" captionTargetBox="[234,1352,274,1930]" captionTargetId="figure@7.[234,1353,274,1930]" captionTargetPageId="7" captionText="FIGURE 5. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: antenna 1, antenna 2, mandible, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191831/files/figure.png" pageId="6" pageNumber="49">Fig. 5</figureCitation>
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): slender, inner plate partly divided, with one small simple seta apically on each lobe; outer plate a very small lobe reaching less than 1/5 length of palp article 1; palp 4-articulate, sparsely setose with a thin and short cushion at inner distal margin of article 3, article 4 with a dense row of thin short setae along inner margin.
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</paragraph>
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<paragraph id="DE4536E5FF90E35F70954FF8170F2ADF" blockId="6.[151,1437,675,2016]" lastBlockId="7.[151,1437,152,216]" lastPageId="7" lastPageNumber="50" pageId="6" pageNumber="49">
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Pereon: smooth. Gnathopod 1 (
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<figureCitation id="46C12A60FF90E35E72604FF8114C2C17" box="[560,632,1526,1552]" captionStart="FIGURE 6" captionStartId="8.[151,255,1956,1980]" captionTargetBox="[235,1351,194,1932]" captionTargetId="figure@8.[235,1352,194,1933]" captionTargetPageId="8" captionText="FIGURE 6. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: gnathopod 1, gnathopod 2, pereopod 3, pereopod 4. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191832/files/figure.png" pageId="6" pageNumber="49">Fig. 6</figureCitation>
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): simple; coxa subquadrate; basis linear with long simple setae along anterior margin; ischium subquadrate; merus distal margin not free, a cushion of short simple setae on distal margin and a few
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<typeStatus id="01418847FF90E35E71214C4A12912C59" box="[369,421,1604,1630]" pageId="6" pageNumber="49">type</typeStatus>
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A setae (
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<bibRefCitation id="BA6B4B14FF90E35E72464C4A107B2C59" author="Tandberg" box="[534,847,1604,1630]" pageId="6" pageNumber="49" refString="Tandberg, A. H. S. & Vader, W. (2009) A redescription of Metopa species (Amphipoda, Stenothoidae) based on the type material. 1. Zoological Museum, Copenhagen (ZMUC). Zootaxa, 2093, 1 - 36." type="journal article" year="2009">Tandberg and Vader 2009</bibRefCitation>
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) along apical margin; carpus long, a row of long simple setae along distal margin; propodus shorter and less broad than carpus, no palm, few long simple setae on distal margin; dactylus smooth, reaching 1/3 length of propodus, row of simple setae on distal margin. Gnathopod 2 (
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<figureCitation id="46C12A60FF90E35E71104CB612BD2CD5" box="[320,393,1720,1746]" captionStart="FIGURE 6" captionStartId="8.[151,255,1956,1980]" captionTargetBox="[235,1351,194,1932]" captionTargetId="figure@8.[235,1352,194,1933]" captionTargetPageId="8" captionText="FIGURE 6. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: gnathopod 1, gnathopod 2, pereopod 3, pereopod 4. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191832/files/figure.png" pageId="6" pageNumber="49">Fig. 6</figureCitation>
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): coxa covering coxa 1, directed forwards, oval; merus long and thin; carpus with ridges along anterior margin, triangular, a row of
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<typeStatus id="01418847FF90E35E72CA4CD011FA2CFF" box="[666,718,1758,1784]" pageId="6" pageNumber="49">type</typeStatus>
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A setae along distal margin; propodus broader than carpus, palm nearly transverse, slightly oblique, nearly smooth, but with a sharp tooth at palmar corner, setae along palm, posterior margin straight, slightly longer than palm; dactylus as long as palm, smooth, weakly curved. Pereopods 3 and 4 (
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<figureCitation id="46C12A60FF90E35E71DC4D5C12ED2D6B" box="[396,473,1874,1900]" captionStart="FIGURE 6" captionStartId="8.[151,255,1956,1980]" captionTargetBox="[235,1351,194,1932]" captionTargetId="figure@8.[235,1352,194,1933]" captionTargetPageId="8" captionText="FIGURE 6. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: gnathopod 1, gnathopod 2, pereopod 3, pereopod 4. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191832/files/figure.png" pageId="6" pageNumber="49">Fig. 6</figureCitation>
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): simple and slender; coxa 3 subrectangular, coxa 4 triangular, ventral margin rounded, dactyli simple. Pereopod 5 (
|
||
<figureCitation id="46C12A60FF90E35E720C4D7711932D94" box="[604,679,1913,1939]" captionStart="FIGURE 7" captionStartId="9.[151,255,1956,1980]" captionTargetBox="[209,1378,194,1932]" captionTargetId="figure@9.[209,1378,194,1933]" captionTargetPageId="9" captionText="FIGURE 7. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: pereopod 5, pereopod 6, pereopod 7, urosome, telson, uropod 1, uropod 2, uropod 3. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191833/files/figure.png" pageId="6" pageNumber="49">Fig. 7</figureCitation>
|
||
): basis slender; meral lobe 1/2 of carpus; dacylus reaching 1/2 length of propodus, simple; medium length simple setae along both margins of entire leg. Pereopods 6 and 7 (
|
||
<figureCitation id="46C12A60FF90E35E70CF4DC813DC2DE7" box="[159,232,1990,2016]" captionStart="FIGURE 7" captionStartId="9.[151,255,1956,1980]" captionTargetBox="[209,1378,194,1932]" captionTargetId="figure@9.[209,1378,194,1933]" captionTargetPageId="9" captionText="FIGURE 7. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: pereopod 5, pereopod 6, pereopod 7, urosome, telson, uropod 1, uropod 2, uropod 3. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191833/files/figure.png" pageId="6" pageNumber="49">Fig. 7</figureCitation>
|
||
): stronger than P5; coxae small; bases posteriorly expanded; meral lobe nearly as long as or as long as carpus, respectively; dactyli reaching 1/2 length of propodus, smooth and with weakly crenulate anterior margin, respectively; medium length simple setae on both margins of both legs.
|
||
</paragraph>
|
||
<caption id="8A85666DFF91E35F70C74DA4103E2DE3" httpUri="https://zenodo.org/record/191831/files/figure.png" pageId="7" pageNumber="50" targetBox="[234,1352,274,1930]" targetPageId="7">
|
||
<paragraph id="DE4536E5FF91E35F70C74DA4103E2DE3" blockId="7.[151,1436,1962,2020]" pageId="7" pageNumber="50">
|
||
<emphasis id="EC8EEAF7FF91E35F70C74DA4122A2DC5" bold="true" box="[151,286,1962,1986]" pageId="7" pageNumber="50">FIGURE 5.</emphasis>
|
||
<taxonomicName id="19FA4D66FF91E35F71754DA411832DC6" authority="J.L. Barnard, 1962" authorityName="J. L. Barnard" authorityYear="1962" box="[293,695,1962,1985]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="7" pageNumber="50" phylum="Arthropoda" rank="species" species="dawsoni">
|
||
<emphasis id="EC8EEAF7FF91E35F71754DA412E92DC6" box="[293,477,1962,1985]" italics="true" pageId="7" pageNumber="50">Metopa dawsoni</emphasis>
|
||
J.L. Barnard, 1962
|
||
</taxonomicName>
|
||
, female, 5mm, from type locality: antenna 1, antenna 2, mandible, maxilla 1, maxilla 2, maxilliped. All scale bars are 0.1mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="8A85666DFF9EE35070C74DAA11732DD9" httpUri="https://zenodo.org/record/191832/files/figure.png" pageId="8" pageNumber="51" targetBox="[235,1351,194,1932]" targetPageId="8">
|
||
<paragraph id="DE4536E5FF9EE35070C74DAA11732DD9" blockId="8.[151,1435,1956,2014]" pageId="8" pageNumber="51">
|
||
<emphasis id="EC8EEAF7FF9EE35070C74DAA122E2DBB" bold="true" box="[151,282,1956,1980]" pageId="8" pageNumber="51">FIGURE 6.</emphasis>
|
||
<taxonomicName id="19FA4D66FF9EE35071704DAB11962DBB" authority="J.L. Barnard, 1962" authorityName="J. L. Barnard" authorityYear="1962" box="[288,674,1957,1980]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="8" pageNumber="51" phylum="Arthropoda" rank="species" species="dawsoni">
|
||
<emphasis id="EC8EEAF7FF9EE35071704DAB12E52DBB" box="[288,465,1957,1980]" italics="true" pageId="8" pageNumber="51">Metopa dawsoni</emphasis>
|
||
J.L. Barnard, 1962
|
||
</taxonomicName>
|
||
, female, 5mm, from type locality: gnathopod 1, gnathopod 2, pereopod 3, pereopod 4. All scale bars are 0.1mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="8A85666DFF9FE35170C74DAA10902DD9" httpUri="https://zenodo.org/record/191833/files/figure.png" pageId="9" pageNumber="52" targetBox="[209,1378,194,1932]" targetPageId="9">
|
||
<paragraph id="DE4536E5FF9FE35170C74DAA10902DD9" blockId="9.[151,1436,1956,2014]" pageId="9" pageNumber="52">
|
||
<emphasis id="EC8EEAF7FF9FE35170C74DAA122D2DBB" bold="true" box="[151,281,1956,1980]" pageId="9" pageNumber="52">FIGURE 7.</emphasis>
|
||
<taxonomicName id="19FA4D66FF9FE35171704DAB11962DBB" authority="J.L. Barnard, 1962" authorityName="J. L. Barnard" authorityYear="1962" box="[288,674,1957,1980]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="9" pageNumber="52" phylum="Arthropoda" rank="species" species="dawsoni">
|
||
<emphasis id="EC8EEAF7FF9FE35171704DAB12E52DBB" box="[288,465,1957,1980]" italics="true" pageId="9" pageNumber="52">Metopa dawsoni</emphasis>
|
||
J.L. Barnard, 1962
|
||
</taxonomicName>
|
||
, female, 5mm, from type locality: pereopod 5, pereopod 6, pereopod 7, urosome, telson, uropod 1, uropod 2, uropod 3. All scale bars are 0.1mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="DE4536E5FF9CE35270954A9612F62B9D" blockId="10.[151,1437,152,1147]" pageId="10" pageNumber="53">
|
||
Urosome (
|
||
<figureCitation id="46C12A60FF9CE35271114A9612BE2AB5" box="[321,394,152,178]" captionStart="FIGURE 7" captionStartId="9.[151,255,1956,1980]" captionTargetBox="[209,1378,194,1932]" captionTargetId="figure@9.[209,1378,194,1933]" captionTargetPageId="9" captionText="FIGURE 7. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: pereopod 5, pereopod 6, pereopod 7, urosome, telson, uropod 1, uropod 2, uropod 3. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191833/files/figure.png" pageId="10" pageNumber="53">Fig. 7</figureCitation>
|
||
): smooth. Epimeral plate 3 (
|
||
<figureCitation id="46C12A60FF9CE352728A4A9610102AB5" box="[730,804,152,178]" captionStart="FIGURE 7" captionStartId="9.[151,255,1956,1980]" captionTargetBox="[209,1378,194,1932]" captionTargetId="figure@9.[209,1378,194,1933]" captionTargetPageId="9" captionText="FIGURE 7. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: pereopod 5, pereopod 6, pereopod 7, urosome, telson, uropod 1, uropod 2, uropod 3. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191833/files/figure.png" pageId="10" pageNumber="53">Fig. 7</figureCitation>
|
||
): rectangular with rounded corner. Uropod 1 (
|
||
<figureCitation id="46C12A60FF9CE35275144A9616B92AB5" box="[1348,1421,152,178]" captionStart="FIGURE 7" captionStartId="9.[151,255,1956,1980]" captionTargetBox="[209,1378,194,1932]" captionTargetId="figure@9.[209,1378,194,1933]" captionTargetPageId="9" captionText="FIGURE 7. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: pereopod 5, pereopod 6, pereopod 7, urosome, telson, uropod 1, uropod 2, uropod 3. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191833/files/figure.png" pageId="10" pageNumber="53">Fig. 7</figureCitation>
|
||
): longer than uropod 2; biramous; peduncle longer than rami, rami subequal in length; peduncle one with short seta apically, inner ramus with two and outer ramus with three setae. Uropod 2 (
|
||
<figureCitation id="46C12A60FF9CE35274104AEB17BD2AF8" box="[1088,1161,229,255]" captionStart="FIGURE 7" captionStartId="9.[151,255,1956,1980]" captionTargetBox="[209,1378,194,1932]" captionTargetId="figure@9.[209,1378,194,1933]" captionTargetPageId="9" captionText="FIGURE 7. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: pereopod 5, pereopod 6, pereopod 7, urosome, telson, uropod 1, uropod 2, uropod 3. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191833/files/figure.png" pageId="10" pageNumber="53">Fig. 7</figureCitation>
|
||
): longer than uropod 3; biramous; peduncle slightly shorter than inner ramus; inner ramus longer than outer ramus; peduncle with three setae, rami each with two setae. Uropod 3 (
|
||
<figureCitation id="46C12A60FF9CE35272804B3C102C2B4B" box="[720,792,306,332]" captionStart="FIGURE 7" captionStartId="9.[151,255,1956,1980]" captionTargetBox="[209,1378,194,1932]" captionTargetId="figure@9.[209,1378,194,1933]" captionTargetPageId="9" captionText="FIGURE 7. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: pereopod 5, pereopod 6, pereopod 7, urosome, telson, uropod 1, uropod 2, uropod 3. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191833/files/figure.png" pageId="10" pageNumber="53">Fig. 7</figureCitation>
|
||
): uniramous; ramus with two articles; peduncle shorter than ramus; peduncle and ramus each with two setae. Telson (
|
||
<figureCitation id="46C12A60FF9CE35273C24B5710EA2B74" box="[914,990,345,371]" captionStart="FIGURE 7" captionStartId="9.[151,255,1956,1980]" captionTargetBox="[209,1378,194,1932]" captionTargetId="figure@9.[209,1378,194,1933]" captionTargetPageId="9" captionText="FIGURE 7. Metopa dawsoni J. L. Barnard, 1962, female, 5 mm, from type locality: pereopod 5, pereopod 6, pereopod 7, urosome, telson, uropod 1, uropod 2, uropod 3. All scale bars are 0.1 mm." httpUri="https://zenodo.org/record/191833/files/figure.png" pageId="10" pageNumber="53">Fig. 7</figureCitation>
|
||
): rounded, weakly boat-shaped, two robust setae on each side.
|
||
</paragraph>
|
||
<paragraph id="DE4536E5FF9CE35270964BA810B12BED" blockId="10.[151,1437,152,1147]" pageId="10" pageNumber="53">
|
||
<emphasis id="EC8EEAF7FF9CE35270964BA812072BC7" bold="true" box="[198,307,422,448]" pageId="10" pageNumber="53">Ecology:</emphasis>
|
||
lives at "medium depths” off south California/ Baja California from
|
||
<quantity id="19029B00FF9CE35274CA4BA816382BC7" box="[1178,1292,422,448]" metricMagnitude="1" metricUnit="m" metricValue="9.85" metricValueMax="18.5" metricValueMin="1.2" pageId="10" pageNumber="53" unit="m" value="98.5" valueMax="185.0" valueMin="12.0">12–185m</quantity>
|
||
, in greatest masses (appr.
|
||
<specimenCount id="C8FCFD6CFF9CE352716C4BDE12F42BED" box="[316,448,464,490]" pageId="10" pageNumber="53" type="generic">1 specimen</specimenCount>
|
||
/ m2) deeper than
|
||
<specimenCount id="C8FCFD6CFF9CE35272DF4BDE11FF2BED" box="[655,715,464,490]" pageId="10" pageNumber="53" type="generic">
|
||
<quantity id="19029B00FF9CE35272DF4BDE11F32BED" box="[655,711,464,490]" metricMagnitude="1" metricUnit="m" metricValue="5.0" pageId="10" pageNumber="53" unit="m" value="50.0">50m</quantity>
|
||
.
|
||
</specimenCount>
|
||
(
|
||
<bibRefCitation id="BA6B4B14FF9CE35272894BDE10492BED" author="Barnard" box="[729,893,464,490]" pageId="10" pageNumber="53" refString="Barnard, J. L. (1964) Los anfipodos bentonicos marinos de la costa occidental de Baja California. Revista de la Sociedad Mexicana de Historia Natural, 24, 205 - 272." type="journal article" year="1964">Barnard 1964</bibRefCitation>
|
||
)
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="96E0656EFF9CE35270964BF8119E2830" pageId="10" pageNumber="53" type="distribution">
|
||
<paragraph id="DE4536E5FF9CE35270964BF8119E2830" blockId="10.[151,1437,152,1147]" pageId="10" pageNumber="53">
|
||
<emphasis id="EC8EEAF7FF9CE35270964BF8125D2817" bold="true" box="[198,361,502,528]" pageId="10" pageNumber="53">Distribution:</emphasis>
|
||
only known from around the
|
||
<typeStatus id="01418847FF9CE35272B84BF9102E2816" box="[744,794,503,529]" pageId="10" pageNumber="53">type</typeStatus>
|
||
locality (
|
||
<bibRefCitation id="BA6B4B14FF9CE35273C44BF917092816" author="Barnard" box="[916,1085,503,529]" pageId="10" pageNumber="53" refString="Barnard, J. L. (1962) Benthic Marine Amphipoda of Southern California: 3. Families Amphilochidae, Leucothoidae, Stenothoidae, Argissidae, Hyalidae. Pacific Naturalist, 3, 116 - 163." type="journal article" year="1962">Barnard 1962</bibRefCitation>
|
||
) off Southern California: Pt Argüello, Baja Cristobál and Baja California.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="96E0656EFF9CE3527096484D10FE2E7C" pageId="10" pageNumber="53" type="discussion">
|
||
<paragraph id="DE4536E5FF9CE3527096484D123B2994" blockId="10.[151,1437,152,1147]" pageId="10" pageNumber="53">
|
||
<emphasis id="EC8EEAF7FF9CE3527096484D1260285A" bold="true" box="[198,340,579,605]" pageId="10" pageNumber="53">Discussion:</emphasis>
|
||
This species is very well described by Barnard. The main reason it is included here, in addition to giving a description of the mouthparts, which are not in Barnard’s description, is to make a complete redescription of all "
|
||
<typeStatus id="01418847FF9CE35271AF489F110628AC" box="[511,562,657,683]" pageId="10" pageNumber="53">type</typeStatus>
|
||
"/author-identified material of
|
||
<taxonomicName id="19FA4D66FF9CE35273F5489F10CB28AD" box="[933,1023,657,682]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="53" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="EC8EEAF7FF9CE35273F5489F10CB28AD" box="[933,1023,657,682]" italics="true" pageId="10" pageNumber="53">Metopa</emphasis>
|
||
</taxonomicName>
|
||
for a phylogenetic revision that is planned (Tandberg, Krapp-Schickel & Vader, in prep).
|
||
<bibRefCitation id="BA6B4B14FF9CE352734C48B610E428D5" author="Barnard" box="[796,976,696,722]" pageId="10" pageNumber="53" refString="Barnard, J. L. (1962) Benthic Marine Amphipoda of Southern California: 3. Families Amphilochidae, Leucothoidae, Stenothoidae, Argissidae, Hyalidae. Pacific Naturalist, 3, 116 - 163." type="journal article" year="1962">Barnard (1962)</bibRefCitation>
|
||
notes an accessory flagellum "forming a minute bump" in the diagnosis of the male, but nothing is observed on antennae in female. This accessory flagellum was not observed in this study. As the specimen described here is a female, the specific morphology of gnathopod 2 for males will have to be extracted from
|
||
<bibRefCitation id="BA6B4B14FF9CE352737A492210D52941" author="Barnard" box="[810,993,812,838]" pageId="10" pageNumber="53" refString="Barnard, J. L. (1962) Benthic Marine Amphipoda of Southern California: 3. Families Amphilochidae, Leucothoidae, Stenothoidae, Argissidae, Hyalidae. Pacific Naturalist, 3, 116 - 163." type="journal article" year="1962">Barnard (1962)</bibRefCitation>
|
||
, where it is stated as having pereopod margin weakly crenulate with a deep excavation, dactylus not as long as palm, and merus being produced anteriorly.
|
||
</paragraph>
|
||
<paragraph id="DE4536E5FF9CE352709549AE10FE2E7C" blockId="10.[151,1437,152,1147]" pageId="10" pageNumber="53">
|
||
<bibRefCitation id="BA6B4B14FF9CE352709549AE12B429BD" author="Barnard" box="[197,384,928,954]" pageId="10" pageNumber="53" refString="Barnard, J. L. (1962) Benthic Marine Amphipoda of Southern California: 3. Families Amphilochidae, Leucothoidae, Stenothoidae, Argissidae, Hyalidae. Pacific Naturalist, 3, 116 - 163." type="journal article" year="1962">Barnard (1962)</bibRefCitation>
|
||
proposes it very close to
|
||
<taxonomicName id="19FA4D66FF9CE35272EC49AE170829BD" authority="Gurjanova 1933" authorityName="Gurjanova" authorityYear="1933" box="[700,1084,928,954]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="53" phylum="Arthropoda" rank="species" species="wiesei">
|
||
<emphasis id="EC8EEAF7FF9CE35272EC49AE105829BE" box="[700,876,928,953]" italics="true" pageId="10" pageNumber="53">Metopa wiesei</emphasis>
|
||
<bibRefCitation id="BA6B4B14FF9CE352732549AE170829BD" author="Gurjanova" box="[885,1084,928,954]" pageId="10" pageNumber="53" refString="Gurjanova, E. F. (1933) Zur Amphipodenfauna des Karischen Meeres. Zoologischer Anzeiger, 103, 119 - 128." type="journal article" year="1933">Gurjanova 1933</bibRefCitation>
|
||
</taxonomicName>
|
||
, from which it differs by the “angle of projection of the last tooth on the finger-hinge process of male gnathopod 2” and the relative lengths of the carpus and dactylus of gnathopod 1 (
|
||
<taxonomicName id="19FA4D66FF9CE35272CE49E0101C2E00" box="[670,808,1006,1031]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="53" phylum="Arthropoda" rank="species" species="dawsoni">
|
||
<emphasis id="EC8EEAF7FF9CE35272CE49E0101C2E00" box="[670,808,1006,1031]" italics="true" pageId="10" pageNumber="53">M. dawsoni</emphasis>
|
||
</taxonomicName>
|
||
having a longer carpus and shorter dactylus than
|
||
<taxonomicName id="19FA4D66FF9CE352752C49E013D42E2A" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="53" phylum="Arthropoda" rank="species" species="wiesei">
|
||
<emphasis id="EC8EEAF7FF9CE352752C49E013D42E2A" italics="true" pageId="10" pageNumber="53">M. wiesei</emphasis>
|
||
</taxonomicName>
|
||
). It is also proposed to be close to
|
||
<taxonomicName id="19FA4D66FF9CE35272254E1A108C2E29" authority="Bate, 1857" authorityName="Bate" authorityYear="1857" box="[629,952,1044,1070]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="53" phylum="Arthropoda" rank="species" species="alderi">
|
||
<emphasis id="EC8EEAF7FF9CE35272254E1A102F2E2A" box="[629,795,1044,1069]" italics="true" pageId="10" pageNumber="53">Metopa alderi</emphasis>
|
||
(
|
||
<bibRefCitation id="BA6B4B14FF9CE352737B4E1A109A2E29" author="Bate" box="[811,942,1044,1070]" pageId="10" pageNumber="53" refString="Bate, C. S. (1857) A synopsis of the British edriophthalmous Crustacea. Annals and Magazine of Natural History, Series 2, 19, 135 - 152." type="journal article" year="1857">Bate, 1857</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
, but also from this species it differs by its long carpus of gnathopod 1, in addition to the “telsonic spines”. It is also separated from
|
||
<taxonomicName id="19FA4D66FF9CE35274F64E3513E62E7C" authority="Sars, 1895" authorityName="Sars" authorityYear="1895" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="53" phylum="Arthropoda" rank="species" species="boeckii">
|
||
<emphasis id="EC8EEAF7FF9CE35274F64E35166F2E53" box="[1190,1371,1083,1108]" italics="true" pageId="10" pageNumber="53">Metopa boeckii</emphasis>
|
||
Sars, 1895
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="19FA4D66FF9CE352715A4E6F11732E7C" authority="Sars, 1895" authorityName="Sars" authorityYear="1895" box="[266,583,1121,1147]" class="Malacostraca" family="Stenothoidae" genus="Metopa" kingdom="Animalia" order="Amphipoda" pageId="10" pageNumber="53" phylum="Arthropoda" rank="species" species="robusta">
|
||
<emphasis id="EC8EEAF7FF9CE352715A4E6F12F02E7D" box="[266,452,1121,1146]" italics="true" pageId="10" pageNumber="53">Metopa robusta</emphasis>
|
||
Sars, 1895
|
||
</taxonomicName>
|
||
by the form of their gnathopods.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |