93 lines
11 KiB
XML
93 lines
11 KiB
XML
<document id="FF78B8ACC01EBCFE3C3074056C3C5F42" ID-ISSN="1464-5262" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629938576456" checkinUser="felipe" docAuthor="Hendrycks, EA & Conlan, KE" docDate="2003" docId="200387B4FFE4FF860FBA59DC4309B8E0" docLanguage="en" docName="JNatHist.37.19.2303-2368.pdf" docOrigin="Journal of Natural History 37" docStyle="DocumentStyle:443144A73DAE3E092C51A378E4CD0138.2:JNatHist.2003-2004.journal_article.1cover" docStyleId="443144A73DAE3E092C51A378E4CD0138" docStyleName="JNatHist.2003-2004.journal_article.1cover" docStyleVersion="2" docTitle="Macroarthrus Hendrycks & Conlan 2003, gen. nov." docType="treatment" docVersion="3" lastPageNumber="2338" masterDocId="DC3AFFCCFFC0FFA20D2A58354169BE28" masterDocTitle="New and unusual abyssal gammaridean Amphipoda from the north-east Pacific" masterLastPageNumber="2368" masterPageNumber="2303" pageNumber="2338" updateTime="1699129476424" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:mods id="0C727E35CFD7195406285C351C2AB7A3" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="B46897C38DD9067DBCBAAD50E7FDCCBD">
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<mods:title id="42EDB3487E59B2B9336A87BEF52B0EC8">New and unusual abyssal gammaridean Amphipoda from the north-east Pacific</mods:title>
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</mods:titleInfo>
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<mods:name id="3564E60050EC13CA06E683274074A8C7" type="personal">
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<mods:roleTerm id="4A368C7796F18B9D0410CB71640C7529">Author</mods:roleTerm>
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<mods:namePart id="2183448AA0854560ABA5CAD011F26AF0">Hendrycks, EA</mods:namePart>
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<mods:name id="2BC6C1FC49A8C3564D9CC157E293C093" type="personal">
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<mods:roleTerm id="F4B02D4B92167BB3B2576428ADBBB1DE">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="C7B709AB095E8C36BD174943D4E1C720">Conlan, KE</mods:namePart>
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<mods:typeOfResource id="9B082A6009FF6F4624598791392E3D64">text</mods:typeOfResource>
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<mods:titleInfo id="285643E278B1ABAE1451B64907338D51">
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<mods:title id="2C082DFFE4D4D2279756EAACAFA764CD">Journal of Natural History</mods:title>
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</mods:titleInfo>
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<mods:part id="24C031BF9821EE987F474818EEED65F8">
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<mods:date id="95B73A1A72002476E872E25B9A134832">2003</mods:date>
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<mods:detail id="6A71EDEA9F5D7F8133D74C41A9288F31" type="volume">
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<mods:number id="5FCCE66341571490B742A6BB2837A05A">37</mods:number>
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</mods:detail>
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<mods:extent id="D62FB0388F573F3A13DA295970C08BBB" unit="page">
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<mods:start id="E070A5399C2C34E975610BEB73067851">2303</mods:start>
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<mods:end id="8A23E2667EFCE63557851377C3952798">2368</mods:end>
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</mods:extent>
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</mods:part>
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<mods:classification id="1F785CBD222EAF91F1EF66DD76BFD089">journal article</mods:classification>
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<mods:identifier id="B7D85D3F63A4AA9416FDB9D09119A67D" type="ISSN">1464-5262</mods:identifier>
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</mods:mods>
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<treatment id="200387B4FFE4FF860FBA59DC4309B8E0" ID-DOI="http://doi.org/10.5281/zenodo.5262977" ID-Zenodo-Dep="5262977" LSID="urn:lsid:plazi:treatment:200387B4FFE4FF860FBA59DC4309B8E0" httpUri="http://treatment.plazi.org/id/200387B4FFE4FF860FBA59DC4309B8E0" lastPageNumber="2338" pageId="36" pageNumber="2338">
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<subSubSection id="E0B06529FFE4FF860FBA59DC42F4BC29" box="[656,925,489,514]" pageId="36" pageNumber="2338" type="nomenclature">
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<paragraph id="A81536A2FFE4FF860FBA59DC42F4BC29" blockId="36.[656,925,489,514]" box="[656,925,489,514]" pageId="36" pageNumber="2338">
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<heading id="F35D81CEFFE4FF860FBA59DC42F4BC29" box="[656,925,489,514]" centered="true" fontSize="10" level="2" pageId="36" pageNumber="2338" reason="3">
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<taxonomicName id="6FAA4D21FFE4FF860FBA59DC4243BC29" ID-CoL="7PN7F" authority="Hendrycks & Conlan, 2003" authorityName="Hendrycks & Conlan" authorityYear="2003" box="[656,810,489,513]" class="Malacostraca" family="Pardaliscidae" genus="Macroarthrus" kingdom="Animalia" order="Amphipoda" pageId="36" pageNumber="2338" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="9ADEEAB0FFE4FF860FBA59DC4243BC29" bold="true" box="[656,810,489,513]" italics="true" pageId="36" pageNumber="2338">Macroarthrus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="81ED57CBFFE4FF860E1959DF42F4BC29" box="[819,925,490,514]" pageId="36" pageNumber="2338" rank="genus">gen. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="E0B06529FFE4FF860C135A014509B820" pageId="36" pageNumber="2338" type="diagnosis">
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<paragraph id="A81536A2FFE4FF860C135A0140CCBC63" blockId="36.[313,1269,564,1066]" box="[313,421,564,587]" pageId="36" pageNumber="2338">
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<emphasis id="9ADEEAB0FFE4FF860C135A0140CCBC63" box="[313,421,564,587]" italics="true" pageId="36" pageNumber="2338">Diagnosis</emphasis>
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</paragraph>
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<paragraph id="A81536A2FFE4FF860C4B5A6145E5BA01" blockId="36.[313,1269,564,1066]" pageId="36" pageNumber="2338">Eye absent; rostrum short, acute; antenna 1 elongate, about 1.5×length of body, peduncle 3 very short, accessory flagellum very long, about 0.3×length of primary flagellum; antenna 2 about 0.3×length of antenna 1, flagellum short; upper lip, weakly incised, symmetric; mandible, incisors slightly asymmetric, palp strong, threearticulate; maxilliped, inner plate not reaching base of palp, outer plate nearly reaching base of article 2 of palp, palp four-articulate, powerful; gnathopods dissimilar, gnathopod 1 large, propodus strongly tapering, stout, weakly subchelate; gnathopod 2, propodus small, subchelate; peraeopods 3–4 gracile, ischium extremely elongated, almost as long as basis; peraeopods 5–6 subequal; peraeopod 7 dissimilar to peraeopods 5–6, very long, slender, about as long as body; epimeron 2–3 with a posteroventral tooth; urosomite 1, with a posterodorsal, bidentate tooth; urosomite 2, with a slender, posterodorsal tooth; uropods 1–2, lanceolate, very long, more than 2×length of the urosome and strongly spinose; uropod 3, rami elongate, subequal, outer ramus two-articulate, article 2 minute; telson short, slightly longer than wide, lateral margins parallel, cleft v-shaped about 55%, lobes acute.</paragraph>
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<paragraph id="A81536A2FFE4FF860C135C684206BABD" blockId="36.[313,879,1117,1173]" pageId="36" pageNumber="2338">
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<emphasis id="9ADEEAB0FFE4FF860C135C68430ABABC" italics="true" pageId="36" pageNumber="2338">
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<typeStatus id="77118800FFE4FF860C135C684018BA5C" box="[313,369,1117,1140]" pageId="36" pageNumber="2338">Type</typeStatus>
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species
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<taxonomicName id="6FAA4D21FFE4FF860C4B5C49430ABABC" authority="Hendrycks & Conlan, 2003" authorityName="Hendrycks & Conlan" authorityYear="2003" box="[353,611,1148,1172]" class="Malacostraca" family="Pardaliscidae" genus="Macroarthrus" kingdom="Animalia" order="Amphipoda" pageId="36" pageNumber="2338" phylum="Arthropoda" rank="species" species="victoriae" status="sp. nov.">Macroarthrus victoriae</taxonomicName>
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</emphasis>
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<taxonomicNameLabel id="81ED57CBFFE4FF860F415C4843AFBABC" box="[619,710,1149,1172]" pageId="36" pageNumber="2338" rank="species">sp. nov.</taxonomicNameLabel>
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by monotypy.
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</paragraph>
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<paragraph id="A81536A2FFE4FF860C135CF240D8BAF7" blockId="36.[313,1268,1223,1311]" box="[313,433,1223,1247]" pageId="36" pageNumber="2338">
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<emphasis id="9ADEEAB0FFE4FF860C135CF240D8BAF7" box="[313,433,1223,1247]" italics="true" pageId="36" pageNumber="2338">Etymology</emphasis>
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</paragraph>
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<paragraph id="A81536A2FFE4FF860C4B5CD2428FBB37" blockId="36.[313,1268,1223,1311]" pageId="36" pageNumber="2338">
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The genus name is from the Greek
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<emphasis id="9ADEEAB0FFE4FF860FD75CD24227BAD7" box="[765,846,1255,1279]" italics="true" pageId="36" pageNumber="2338">makros</emphasis>
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(long) and
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<emphasis id="9ADEEAB0FFE4FF860EF65CD24542BAD7" box="[988,1067,1255,1279]" italics="true" pageId="36" pageNumber="2338">arthrus</emphasis>
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(joint), referring to the immensely elongated ischium of peraeopods 3 and 4.
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</paragraph>
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<paragraph id="A81536A2FFE4FF860C135D6440F5BB41" blockId="36.[313,1268,1361,1736]" box="[313,412,1361,1385]" pageId="36" pageNumber="2338">
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<emphasis id="9ADEEAB0FFE4FF860C135D6440F5BB41" box="[313,412,1361,1385]" italics="true" pageId="36" pageNumber="2338">Remarks</emphasis>
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</paragraph>
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<paragraph id="A81536A2FFE4FF860C4B5D444509B820" blockId="36.[313,1268,1361,1736]" pageId="36" pageNumber="2338">
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<taxonomicName id="6FAA4D21FFE4FF860C4B5D444092BBA1" authorityName="Hendrycks & Conlan" authorityYear="2003" box="[353,507,1393,1417]" class="Malacostraca" family="Pardaliscidae" genus="Macroarthrus" kingdom="Animalia" order="Amphipoda" pageId="36" pageNumber="2338" phylum="Arthropoda" rank="genus">
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<emphasis id="9ADEEAB0FFE4FF860C4B5D444092BBA1" box="[353,507,1393,1417]" italics="true" pageId="36" pageNumber="2338">Macroarthrus</emphasis>
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</taxonomicName>
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has a wealth of unique characters. The extreme elongation of the ischium of peraeopods 3 and 4 is remarkable and highly distinctive, a character previously unknown in the Gammaridea. The Lysianassoidea possess an elongated ischium of gnathopod 2, but not of peraeopods 3 and 4.
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<taxonomicName id="6FAA4D21FFE4FF860EC25DE545E4BBC0" authorityName="Bovallius" authorityYear="1886" box="[1000,1165,1488,1512]" class="Malacostraca" family="Hyperiopsidae" kingdom="Animalia" order="Amphipoda" pageId="36" pageNumber="2338" phylum="Arthropoda" rank="family">Hyperiopsidae</taxonomicName>
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have an elongated merus of peraeopods 3 and 4, but the ischium is very short.
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</paragraph>
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</subSubSection>
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<subSubSection id="E0B06529FFE4FF860C4B5E254309B8E0" pageId="36" pageNumber="2338" type="description">
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<paragraph id="A81536A2FFE4FF860C4B5E254309B8E0" blockId="36.[313,1268,1361,1736]" pageId="36" pageNumber="2338">
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<taxonomicName id="6FAA4D21FFE4FF860C4B5E254092B800" authorityName="Hendrycks & Conlan" authorityYear="2003" box="[353,507,1552,1576]" class="Malacostraca" family="Pardaliscidae" genus="Macroarthrus" kingdom="Animalia" order="Amphipoda" pageId="36" pageNumber="2338" phylum="Arthropoda" rank="genus">
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<emphasis id="9ADEEAB0FFE4FF860C4B5E254092B800" box="[353,507,1552,1576]" italics="true" pageId="36" pageNumber="2338">Macroarthrus</emphasis>
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</taxonomicName>
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differs from all pardaliscids in the following combination of characters: maxilla 1, inner plate with four apical setae; dissimilar, stout gnathopods with gnathopod 1 the larger; antenna 1 very long, about 3×antenna 2, accessory flagellum extremely long, about 0.25×the length of antenna 1, 18-articulate; peraeopod 7, strongly dissimilar and elongated relative to peraeopods 5 and 6 and the elongated, strongly spinose uropods.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |