143 lines
17 KiB
XML
143 lines
17 KiB
XML
<document id="B54828BBCAA81A14A8853DC8443B09B9" ID-DOI="10.11646/zootaxa.3866.4.2" ID-GBIF-Dataset="4115b984-e9fd-44a6-ad86-05e88ab3b439" ID-ISSN="1175-5326" ID-Zenodo-Dep="249698" ID-ZooBank="D06E5477-4D5C-4402-B909-09A2AAFFB556" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460919741933" checkinUser="plazi" docAuthor="Gapp, I. Wesley & Lieberman, Bruce S." docDate="2014" docId="DC11878B3B42FFCAB1AF3D75E63D25EB" docLanguage="en" docName="zt03866p498.pdf" docOrigin="Zootaxa 3866 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Fritzolenellus" docType="treatment" docVersion="8" lastPageNumber="494" masterDocId="2028FFF33B4DFFC5B1383913E4032219" masterDocTitle="New olenelloid trilobites from the Northwest Territories, Canada" masterLastPageNumber="498" masterPageNumber="479" pageNumber="494" updateTime="1698362066151" updateUser="plazi">
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<mods:mods id="371C9188003785BD30486E0881D523BF" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="7176BD8C5B099DB27B27D3222F256D2C">
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<mods:title id="7BD282A648B5273EDDFAA13267A8D29B">New olenelloid trilobites from the Northwest Territories, Canada</mods:title>
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</mods:titleInfo>
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<mods:name id="34597494E0B428134ACBCC9EB8DAF7AC" type="personal">
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<mods:roleTerm id="B90D2C3CEB5DDBBB3A96FE792CB70AB0">Author</mods:roleTerm>
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<mods:namePart id="3402D06E5EBCF62989135E1BB6441F3E">Gapp, I. Wesley</mods:namePart>
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<mods:name id="282D8701FFA399E5AB65EE17E7FC17B4" type="personal">
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<mods:roleTerm id="BD0AC2874A9711FA7052DAD6D5F2F527">Author</mods:roleTerm>
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<mods:namePart id="B83B6B8401EE5AF4C263F0E92EAD2BE4">Lieberman, Bruce S.</mods:namePart>
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<mods:typeOfResource id="5AEDBF359586DF2C6080FBBC7B837FB4">text</mods:typeOfResource>
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<mods:title id="DE461E25498028AC82EFC2A1193C5029">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="3EF9B4A2BD9E5D5053A877629AEC5482">
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<mods:date id="F84D4D28AE21A2A6E8849B7727061713">2014</mods:date>
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<mods:detail id="38227B953329C412D82957C9835EA479" type="volume">
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<mods:number id="40092FAB4D260DFB5DB929C644ABEC8A">3866</mods:number>
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<mods:detail id="AB6612E8526319C58BE77440D3F7964A" type="issue">
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<mods:number id="A48FE4D2BA1117E5354211472F470966">4</mods:number>
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<mods:identifier id="57C254917D9A515B403D49DAAE6784A1" type="DOI">10.11646/zootaxa.3866.4.2</mods:identifier>
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<mods:identifier id="512FD37335A74B4E181331ED046E47E2" type="GBIF-Dataset">4115b984-e9fd-44a6-ad86-05e88ab3b439</mods:identifier>
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<mods:identifier id="BEFEEC1B6F2200304ACDA2C00843E368" type="ISSN">1175-5326</mods:identifier>
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<treatment id="DC11878B3B42FFCAB1AF3D75E63D25EB" ID-DOI="http://doi.org/10.5281/zenodo.6136104" ID-GBIF-Taxon="119588931" ID-Zenodo-Dep="6136104" LSID="urn:lsid:plazi:treatment:DC11878B3B42FFCAB1AF3D75E63D25EB" httpUri="http://treatment.plazi.org/id/DC11878B3B42FFCAB1AF3D75E63D25EB" lastPageNumber="494" pageId="15" pageNumber="494">
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<subSubSection id="1CA265163B42FFCAB1AF3D75E4ED26BB" pageId="15" pageNumber="494" type="nomenclature">
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<paragraph id="5407369D3B42FFCAB1AF3D75E6C42699" blockId="15.[151,711,1126,1186]" box="[151,711,1126,1152]" pageId="15" pageNumber="494">
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<heading id="0F4F81F13B42FFCAB1AF3D75E6C42699" bold="true" box="[151,711,1126,1152]" fontSize="11" level="1" pageId="15" pageNumber="494" reason="1">
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<emphasis id="66CCEA8F3B42FFCAB1AF3D75E6C42699" bold="true" box="[151,711,1126,1152]" pageId="15" pageNumber="494">
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<taxonomicName id="93B84D1E3B42FFCAB1AF3D75E53C2699" box="[151,319,1126,1152]" class="Trilobita" family="Laudoniidae" genus="Fritzolenellus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Redlichiida" pageId="15" pageNumber="494" phylum="Arthropoda" rank="genus">
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<emphasis id="66CCEA8F3B42FFCAB1AF3D75E53C2699" bold="true" box="[151,319,1126,1152]" italics="true" pageId="15" pageNumber="494">Fritzolenellus</emphasis>
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</taxonomicName>
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sp.
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<taxonomicName id="93B84D1E3B42FFCAB0483D75E6C42699" authority="Poulsen, 1932" authorityName="Poulsen" authorityYear="1932" box="[368,711,1126,1152]" class="Trilobita" family="Olenellidae" genus="Olenellus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Redlichiida" pageId="15" pageNumber="494" phylum="Arthropoda" rank="species" species="hanseni">
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aff.
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<emphasis id="66CCEA8F3B42FFCAB0993D75E6022699" bold="true" box="[417,513,1126,1152]" italics="true" pageId="15" pageNumber="494">hanseni</emphasis>
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(
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<bibRefCitation id="30294B6C3B42FFCAB3283D75E6BC2699" author="Poulsen" box="[528,703,1126,1152]" pageId="15" pageNumber="494" refString="Poulsen, C. (1932) The Lower Cambrian faunas of East Greenland. Meddelelser om Gronland, 87 (6), 1 - 66." type="journal article" year="1932">Poulsen, 1932</bibRefCitation>
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)
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</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="5407369D3B42FFCAB1AF3D9AE4ED26BB" blockId="15.[151,711,1126,1186]" box="[151,238,1161,1186]" pageId="15" pageNumber="494">Fig. 3.1</paragraph>
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</subSubSection>
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<subSubSection id="1CA265163B42FFCAB1AF3DDFE6472719" pageId="15" pageNumber="494" type="reference_group">
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<paragraph id="5407369D3B42FFCAB1AF3DDFE5FD26FB" blockId="15.[151,580,1228,1280]" box="[151,510,1228,1250]" pageId="15" pageNumber="494">
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<taxonomicName id="93B84D1E3B42FFCAB1AF3DDFE5F926FB" authority="Poulsen 1932" authorityName="Poulsen" authorityYear="1932" box="[151,506,1228,1250]" class="Trilobita" family="Holmiidae" genus="Paedeumias" higherTaxonomySource="GBIF" kingdom="Animalia" order="Redlichiida" pageId="15" pageNumber="494" phylum="Arthropoda" rank="species" species="hanseni">
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<emphasis id="66CCEA8F3B42FFCAB1AF3DDFE56B26FB" box="[151,360,1228,1250]" italics="true" pageId="15" pageNumber="494">Paedeumias hanseni</emphasis>
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<bibRefCitation id="30294B6C3B42FFCAB0553DDFE5F926FB" author="Poulsen" box="[365,506,1228,1250]" pageId="15" pageNumber="494" refString="Poulsen, C. (1932) The Lower Cambrian faunas of East Greenland. Meddelelser om Gronland, 87 (6), 1 - 66." type="journal article" year="1932">Poulsen 1932</bibRefCitation>
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="5407369D3B42FFCAB1AF3DF9E6472719" blockId="15.[151,580,1228,1280]" box="[151,580,1258,1280]" pageId="15" pageNumber="494">
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<taxonomicName id="93B84D1E3B42FFCAB1AF3DF9E5C12719" authority="Stein 2008" authorityName="Stein" authorityYear="2008" box="[151,450,1258,1280]" class="Trilobita" family="Olenellidae" genus="Olenellus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Redlichiida" pageId="15" pageNumber="494" phylum="Arthropoda" rank="species" species="hanseni">
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<emphasis id="66CCEA8F3B42FFCAB1AF3DF9E54E2719" box="[151,333,1258,1280]" italics="true" pageId="15" pageNumber="494">Olenellus hanseni</emphasis>
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<bibRefCitation id="30294B6C3B42FFCAB06B3DF9E5C12719" author="Stein" box="[339,450,1258,1280]" pageId="15" pageNumber="494" refString="Stein, M. (2008) Fritzolenellus lapworthi (Peach and Horne, 1892) from the lower Cambrian (Cambrian Series 2) Bastion Formation of North-East Greenland, Bulletin of the Geological Society of Denmark, 56, 1 - 11." type="journal article" year="2008">Stein 2008</bibRefCitation>
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</taxonomicName>
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, fig. 8B, 8C.
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</paragraph>
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</subSubSection>
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<subSubSection id="1CA265163B42FFCAB1AF3C3EE6A5275F" box="[151,678,1325,1350]" pageId="15" pageNumber="494" type="materials_examined">
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<paragraph id="5407369D3B42FFCAB1AF3C3EE6A5275F" blockId="15.[151,1437,1325,2034]" box="[151,678,1325,1350]" pageId="15" pageNumber="494">
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<emphasis id="66CCEA8F3B42FFCAB1AF3C3EE583275F" bold="true" box="[151,384,1325,1350]" pageId="15" pageNumber="494">Material examined.</emphasis>
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<collectionCode id="32A9AE583B42FFCAB0BF3C3DE5E2275C" box="[391,481,1326,1349]" pageId="15" pageNumber="494">KUMIP</collectionCode>
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355562–355563.
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</paragraph>
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</subSubSection>
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<subSubSection id="1CA265163B42FFCAB1FF3C42E63D25EB" pageId="15" pageNumber="494" type="discussion">
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<paragraph id="5407369D3B42FFCAB1FF3C42E5AA259C" blockId="15.[151,1437,1325,2034]" pageId="15" pageNumber="494">
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<emphasis id="66CCEA8F3B42FFCAB1FF3C42E54F2773" bold="true" box="[199,332,1361,1386]" pageId="15" pageNumber="494">Discussion.</emphasis>
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This species shares the following characters with
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<taxonomicName id="93B84D1E3B42FFCAB2463C41E7F42770" box="[894,1015,1361,1385]" class="Trilobita" family="Olenellidae" genus="Olenellus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Redlichiida" pageId="15" pageNumber="494" phylum="Arthropoda" rank="species" species="hanseni">
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<emphasis id="66CCEA8F3B42FFCAB2463C41E7F42770" box="[894,1015,1361,1385]" italics="true" pageId="15" pageNumber="494">O. hanseni</emphasis>
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</taxonomicName>
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, which is known from the Ella Island Formation of North-East
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<collectingCountry id="2CAF760D3B42FFCAB08C3C66E62E2797" box="[436,557,1397,1422]" name="Greenland" pageId="15" pageNumber="494">Greenland</collectingCountry>
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: the anterior cephalic margin is narrow (sag.) and developed as a raised ridge; an anterior glabellar furrow present; the anterolateral margins of the glabella deflect posteriorly at approximately at 40 degrees; LA length (sag.) equal to combined length (sag.) of LO, L1, and L2; the ocular lobe terminates posteriorly at SO; a prominent ocular furrow extends the length of the ocular lobe; the extraocular area is approximately the width (tr.) of the glabella at L2; S3 is strongly convex and conjoined adaxially; L2 and L3 merge abaxially; S2 is convex anteriorly and conjoined adaxially; L1 is straight and not conjoined adaxially; the lateral margins of LO and L1 are straight and parallel to a sagittal line; SO is slightly convex posteriorly, and not conjoined adaxially; posterior margin of LO convex posteriorly; the posterior border between LO and the intergenal angle is parallel to a transverse line; the intergenal angle is approximately 30-40 degrees; and the genal spines are relatively long (exsag.).
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<bibRefCitation id="30294B6C3B42FFCAB3263FAAE75924CB" author="Cowie" box="[542,858,1721,1746]" pageId="15" pageNumber="494" refString="Cowie, J. W. & McNamara, K. J. (1978) Olenellus (Trilobita) from the Lower Cambrian strata of north-west Scotland. Palaeontology, 21, 615 - 634." type="journal article" year="1978">Cowie & McNamara (1978)</bibRefCitation>
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suggested
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<taxonomicName id="93B84D1E3B42FFCAB2EF3FA9E05324C8" box="[983,1104,1721,1745]" class="Trilobita" family="Olenellidae" genus="Olenellus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Redlichiida" pageId="15" pageNumber="494" phylum="Arthropoda" rank="species" species="hanseni">
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<emphasis id="66CCEA8F3B42FFCAB2EF3FA9E05324C8" box="[983,1104,1721,1745]" italics="true" pageId="15" pageNumber="494">O. hanseni</emphasis>
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</taxonomicName>
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was very similar to
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<taxonomicName id="93B84D1E3B42FFCAB1AF3FCEE6CF24EF" authority="Peach and Horne, 1892" authorityName="Peach and Horne" authorityYear="1892" box="[151,716,1757,1782]" class="Trilobita" family="Laudoniidae" genus="Fritzolenellus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Redlichiida" pageId="15" pageNumber="494" phylum="Arthropoda" rank="species" species="lapworthi">
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<emphasis id="66CCEA8F3B42FFCAB1AF3FCEE5A424EC" box="[151,423,1757,1781]" italics="true" pageId="15" pageNumber="494">Fritzolenellus lapworthi</emphasis>
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(
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<bibRefCitation id="30294B6C3B42FFCAB08E3FCEE6C624EF" author="Peach" box="[438,709,1757,1782]" pageId="15" pageNumber="494" refString="Peach, B. N. & Horne, J. (1892) The Olenellus - zone of the north-west highlands. Quarterly Journal of the Geological Society of London, 48, 227 - 242. http: // dx. doi. org / 10.1144 / GSL. JGS. 1892.048.01 - 04.17" type="journal article" year="1892">Peach and Horne, 1892</bibRefCitation>
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)
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</taxonomicName>
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, with the primary differences involving the length of the ocular lobes.
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<bibRefCitation id="30294B6C3B42FFCAB1D83E12E5682503" author="Stein" box="[224,363,1793,1818]" pageId="15" pageNumber="494" refString="Stein, M. (2008) Fritzolenellus lapworthi (Peach and Horne, 1892) from the lower Cambrian (Cambrian Series 2) Bastion Formation of North-East Greenland, Bulletin of the Geological Society of Denmark, 56, 1 - 11." type="journal article" year="2008">Stein (2008)</bibRefCitation>
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reiterated this suggestion, and also recognized the absence of a prominent parafrontal band and the presence of a plectrum when compared with
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<taxonomicName id="93B84D1E3B42FFCAB3FE3E35E7522524" box="[710,849,1829,1853]" class="Trilobita" family="Laudoniidae" genus="Fritzolenellus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Redlichiida" pageId="15" pageNumber="494" phylum="Arthropoda" rank="species" species="lapworthi">
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<emphasis id="66CCEA8F3B42FFCAB3FE3E35E7522524" box="[710,849,1829,1853]" italics="true" pageId="15" pageNumber="494">F. lapworthi</emphasis>
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</taxonomicName>
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. These features are also observed in the specimens presented here. Due to the quality of preservation and the limited material, we are only tentatively assigning these specimens to
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<taxonomicName id="93B84D1E3B42FFCAB0173E7DE5A1259C" box="[303,418,1901,1925]" class="Trilobita" family="Olenellidae" genus="Olenellus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Redlichiida" pageId="15" pageNumber="494" phylum="Arthropoda" rank="species" species="hanseni">
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<emphasis id="66CCEA8F3B42FFCAB0173E7DE5A1259C" box="[303,418,1901,1925]" italics="true" pageId="15" pageNumber="494">F. hanseni</emphasis>
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="5407369D3B42FFCAB1FF3E82E63D25EB" blockId="15.[151,1437,1325,2034]" pageId="15" pageNumber="494">
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<emphasis id="66CCEA8F3B42FFCAB1FF3E82E55A25B3" bold="true" box="[199,345,1937,1962]" pageId="15" pageNumber="494">Occurrence.</emphasis>
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<taxonomicName id="93B84D1E3B42FFCAB05A3E82E60925B0" authority="Zone" authorityName="Zone" box="[354,522,1937,1961]" class="Trilobita" family="Olenellidae" genus="Olenellus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Redlichiida" pageId="15" pageNumber="488" phylum="Arthropoda" rank="genus">
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<emphasis id="66CCEA8F3B42FFCAB05A3E82E5CE25B0" box="[354,461,1937,1961]" italics="true" pageId="15" pageNumber="494">Olenellus</emphasis>
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zone
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</taxonomicName>
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or Waucoban Series, Dyeran stage,
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<emphasis id="66CCEA8F3B42FFCAB2903E81E7E525B0" box="[936,998,1938,1961]" italics="true" pageId="15" pageNumber="494">sensu</emphasis>
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<bibRefCitation id="30294B6C3B42FFCAB2D63E82E0A225B3" author="Webster" box="[1006,1185,1937,1962]" pageId="15" pageNumber="494" refString="Webster, M. (2011 a) Trilobite biostratigraphy and sequence stratigraphy of the Upper Dyeran (traditional Laurentian " Lower Cambrian ") in the southern Great Basin, U. S. A. In: Hollingsworth, J. S., Sundberg, F. A. & Foster, J. R. (Eds.), Cambrian Stratigraphy and Paleontology of Northern Arizona and Southern Nevada. Museum of Northern Arizona Bulletin, 67, 121 - 154." type="journal article" year="2011" yearSuffix="a">Webster (2011a</bibRefCitation>
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,
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<bibRefCitation id="30294B6C3B42FFCAB5963E82E0BE25B3" author="Webster" box="[1198,1213,1937,1962]" pageId="15" pageNumber="494" refString="Webster, M. (2011 b) Stops 7 A, 7 B, and 7 C, Upper Dyeran litho- and biostratigraphy of the Split Mountain area, Nevada. In: Hollingsworth, J. S., Sundberg, F. A. & Foster, J. R. (Eds.), Cambrian Stratigraphy and Paleontology of Northern Arizona and Southern Nevada. Museum of Northern Arizona Bulletin, 67, 236 - 246." type="journal article" year="2011" yearSuffix="b">b</bibRefCitation>
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||
) and Webster
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<emphasis id="66CCEA8F3B42FFCAB45A3E81E19F25B0" box="[1378,1436,1937,1961]" italics="true" pageId="15" pageNumber="494">et al.</emphasis>
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(2011), early Cambrian, Sekwi Formation, Mackenzie Mountains, Northwest Territories,
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<collectingCountry id="2CAF760D3B42FFCAB5843EA6E11025D7" box="[1212,1299,1973,1998]" name="Canada" pageId="15" pageNumber="494">Canada</collectingCountry>
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, Section 4, 430–
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above the base of section.
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</paragraph>
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||
</subSubSection>
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||
</treatment>
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||
</document> |