148 lines
17 KiB
XML
148 lines
17 KiB
XML
<document id="74B9CC5ADE364F2D11BD797C0EA8D65D" ID-CLB-Dataset="2636" ID-DOI="10.11646/zootaxa.5091.1.1" ID-GBIF-Dataset="51b42715-ddb1-4b4a-aad4-8be0f600a287" ID-ISSN="1175-5326" ID-Zenodo-Dep="5840434" ID-ZooBank="ABC8AF70-F691-4D07-8F20-70934642C8BC" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" checkinTime="1641986550580" checkinUser="plazi" docAuthor="Bergh, Eugene W. & Compton, John S." docDate="2022" docId="197787BAFFCB93377FC99D84FD1BFE02" docLanguage="en" docName="zootaxa.5091.1.1.pdf" docOrigin="Zootaxa 5091 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Siphonina pulchra Cushman 1919" docType="treatment" docVersion="6" lastPageNumber="26" masterDocId="E54EFFC2FFD3932E7F5E9B0CFFC4FF88" masterDocTitle="Taxonomy of Middle Miocene foraminifera from the northern Namibian continental shelf" masterLastPageNumber="55" masterPageNumber="1" pageNumber="25" updateTime="1699301522325" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="D23C3F5F753D9C34707A4EEBB1AFA9F8">Taxonomy of Middle Miocene foraminifera from the northern Namibian continental shelf</mods:title>
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<mods:name id="891922E3D806D32F02C107E39394F303" type="personal">
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<mods:namePart id="A6A0E9D2C8BB5F94D31D209A315D5137">Bergh, Eugene W.</mods:namePart>
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<mods:nameIdentifier id="05EE0DEF302AF276756DFD770261C9AB" type="ORCID">0000-0002-0765-4141</mods:nameIdentifier>
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<mods:affiliation id="54436CE686A48A5861FFFC57B5AFEE3C">Marine Research Institute and Department of Geological Sciences, University of Cape Town, Private Bag X 3, Rondebosch, 7701, South Africa. & Department of Environmental and Geographical Sciences, University of Cape Town, Private Bag X 3, Rondebosch, 7701, South Africa; & Invertebrate palaeontology and Geology, Iziko South African Museum, P. O. Box 61, Cape Town 8000, South Africa. john. compton @ uct. ac. za; https: // orcid. org / 0000 - 0002 - 0765 - 4141</mods:affiliation>
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<mods:nameIdentifier id="EE938CD59DA3DEB24E25F2F7AF14FFBF" type="email">john.compton@uct.ac.za</mods:nameIdentifier>
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<mods:namePart id="BC6FC716041B3423956A36311E86CDA2">Compton, John S.</mods:namePart>
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<mods:affiliation id="280EE53E98A7603E1B447B7B1746EF54">Marine Research Institute and Department of Geological Sciences, University of Cape Town, Private Bag X 3, Rondebosch, 7701, South Africa.</mods:affiliation>
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<mods:typeOfResource id="376BED05F095DA602729A52024A0E0F6">text</mods:typeOfResource>
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<mods:title id="AB5C4B4D4F6FCBC375819C7BA7E0BBE9">Zootaxa</mods:title>
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<mods:date id="73BF14E33427D36D3AD0FF015852766E">2022</mods:date>
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<mods:number id="97074C43CC8C8EA98A21294D94AA2EDB">2022-01-12</mods:number>
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<mods:number id="A59B0080CA885442F5E7DC19CA9DB048">5091</mods:number>
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<treatment id="197787BAFFCB93377FC99D84FD1BFE02" ID-DOI="http://doi.org/10.5281/zenodo.5840545" ID-GBIF-Taxon="192044028" ID-Zenodo-Dep="5840545" LSID="urn:lsid:plazi:treatment:197787BAFFCB93377FC99D84FD1BFE02" httpUri="http://treatment.plazi.org/id/197787BAFFCB93377FC99D84FD1BFE02" lastPageId="25" lastPageNumber="26" pageId="24" pageNumber="25">
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<subSubSection id="D9C46527FFCB93367FC99D84FEF8F94E" pageId="24" pageNumber="25" type="nomenclature">
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<paragraph id="916136ACFFCB93367FC99D84FD80F92A" blockId="24.[151,580,1672,1735]" box="[151,580,1672,1699]" pageId="24" pageNumber="25">
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<heading id="CA2981C0FFCB93367FC99D84FD80F92A" bold="true" box="[151,580,1672,1699]" fontSize="11" level="1" pageId="24" pageNumber="25" reason="1">
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<taxonomicName id="56DE4D2FFFCB93367FC99D84FD80F92A" ID-CoL="4XPNY" authority="Cushman, 1919" authorityName="Cushman" authorityYear="1919" box="[151,580,1672,1699]" class="Globothalamea" family="Siphoninidae" genus="Siphonina" kingdom="Chromista" order="Rotaliida" pageId="24" pageNumber="25" phylum="Foraminifera" rank="species" species="pulchra">
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<emphasis id="A3AAEABEFFCB93367FC99D84FD80F92A" bold="true" box="[151,580,1672,1699]" pageId="24" pageNumber="25">
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<emphasis id="A3AAEABEFFCB93367FC99D84FEBFF92B" bold="true" box="[151,379,1672,1699]" italics="true" pageId="24" pageNumber="25">Siphonina pulchra</emphasis>
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<bibRefCitation id="F54F4B5DFFCB93367EDC9D84FD80F92A" author="Cushman, J. A." box="[386,580,1672,1698]" pageId="24" pageNumber="25" pagination="21 - 71" refId="ref29642" refString="Cushman, J. A. (1919) Fossil foraminifera from the West Indies. In: Vaughan, T. W. (Ed.), Contributions to the Geology and Paleontology of the West Indies. Carnegie Institution of Washington, Washington, pp. 21 - 71." type="book chapter" year="1919">Cushman, 1919</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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<paragraph id="916136ACFFCB93367FC99DA1FEF8F94E" blockId="24.[151,580,1672,1735]" box="[151,316,1708,1735]" pageId="24" pageNumber="25">
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<heading id="CA2981C0FFCB93367FC99DA1FEF8F94E" bold="true" box="[151,316,1708,1735]" fontSize="11" level="1" pageId="24" pageNumber="25" reason="1">
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<emphasis id="A3AAEABEFFCB93367FC99DA1FEF8F94E" bold="true" box="[151,316,1708,1735]" pageId="24" pageNumber="25">Pl. 5, figs. 4–6</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="D9C46527FFCB93367FC99DFDFCB9F8AF" pageId="24" pageNumber="25" type="reference_group">
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<paragraph id="916136ACFFCB93367FC99DFDFCB9F8AF" blockId="24.[151,1437,1777,1832]" pageId="24" pageNumber="25">
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<treatmentCitationGroup id="B1CE1182FFCB93367FC99DFDFCB9F8AF" pageId="24" pageNumber="25">
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<treatmentCitation id="107F10BDFFCB93367FC99DFDFDFFF881" author="Cushman, J. A." box="[151,571,1777,1801]" page="42" pageId="24" pageNumber="25" year="1919">
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<taxonomicName id="56DE4D2FFFCB93367FC99DFDFDFFF881" ID-CoL="4XPNY" authority="Cushman, 1919, p. 42" authorityName="Cushman" authorityPageNumber="42" authorityYear="1919" box="[151,571,1777,1801]" class="Globothalamea" family="Siphoninidae" genus="Siphonina" kingdom="Chromista" order="Rotaliida" pageId="24" pageNumber="25" phylum="Foraminifera" rank="species" species="pulchra">
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<emphasis id="A3AAEABEFFCB93367FC99DFDFE97F881" box="[151,339,1777,1801]" italics="true" pageId="24" pageNumber="25">Siphonina pulchra</emphasis>
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<bibRefCitation id="F54F4B5DFFCB93367E049DFDFE3FF881" author="Cushman, J. A." box="[346,507,1777,1801]" pageId="24" pageNumber="25" pagination="21 - 71" refId="ref29642" refString="Cushman, J. A. (1919) Fossil foraminifera from the West Indies. In: Vaughan, T. W. (Ed.), Contributions to the Geology and Paleontology of the West Indies. Carnegie Institution of Washington, Washington, pp. 21 - 71." type="book chapter" year="1919">Cushman, 1919</bibRefCitation>
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, p. 42
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</taxonomicName>
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||
</treatmentCitation>
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, pl. 14, fig. 7a–c;
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<treatmentCitation id="107F10BDFFCB93367DAC9DFDFC1AF881" author="Cushman, J. A." box="[754,990,1777,1801]" page="49" pageId="24" pageNumber="25" year="1922">
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<bibRefCitation id="F54F4B5DFFCB93367DAC9DFDFC5AF881" author="Cushman, J. A." box="[754,926,1777,1801]" pageId="24" pageNumber="25" refId="ref29726" refString="Cushman, J. A. (1922 a) Shallow-water foraminifera of the Tortugas region. Carnegie Institution of Washington, Washington, 85 pp." type="book" year="1922">Cushman, 1922a</bibRefCitation>
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, p. 49
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</treatmentCitation>
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, pl. 7, fig. 11–12;
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<treatmentCitation id="107F10BDFFCB93367BC99DFDFAB3F881" author="Cushman, J. A." box="[1175,1399,1777,1801]" page="8" pageId="24" pageNumber="25" year="1927">
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<bibRefCitation id="F54F4B5DFFCB93367BC99DFDFA81F881" author="Cushman, J. A." box="[1175,1349,1777,1801]" pageId="24" pageNumber="25" pagination="1 - 15" refId="ref29986" refString="Cushman, J. A. (1927 b) Foraminifera of the genus Siphonina and related genera. Proceedings of the United States National Museum, 72, 1 - 15. https: // doi. org / 10.5479 / si. 00963801.72 - 2716.1" type="journal article" year="1927">Cushman, 1927b</bibRefCitation>
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, p. 8
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</treatmentCitation>
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, pl. 2, fig. 5;
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<treatmentCitation id="107F10BDFFCB93367E7D9C1CFDC0F8AF" author="Cushman, J. A." box="[291,516,1807,1832]" page="69" pageId="24" pageNumber="25" year="1931">
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<bibRefCitation id="F54F4B5DFFCB93367E7D9C1CFE01F8A0" author="Cushman, J. A." box="[291,453,1808,1832]" pageId="24" pageNumber="25" pagination="1 - 179" refId="ref30089" refString="Cushman, J. A. (1931) The foraminifera of the Atlantic Ocean. Part 8. Rotaliidae, Amphisteginidae, Calcarinidae, Cymbaloporettidae, Globorotaliidae, Anomalinidae, Planorbulinidae, Rupertiidae, and Homotremidae. Bulletin of the United States National Museum, 104 (8), 1 - 179. https: // doi. org / 10.5479 / si. 03629236.104.7" type="journal article" year="1931">Cushman, 1931</bibRefCitation>
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, p. 69
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</treatmentCitation>
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||
, pl. 14, fig. 2–3;
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<treatmentCitation id="107F10BDFFCB93367DEF9C1CFCBDF8AF" author="Palmer, D. B. K." box="[689,889,1807,1832]" page="61" pageId="24" pageNumber="25" year="1945">
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||
<bibRefCitation id="F54F4B5DFFCB93367DEF9C1CFCFDF8AF" author="Palmer, D. B. K." box="[689,825,1807,1832]" pageId="24" pageNumber="25" pagination="1 - 82" refId="ref35953" refString="Palmer, D. B. K. (1945) Notes on the foraminifera from Bowden, Jamaica. Bulletins of American Paleontology, 29, 1 - 82." type="journal article" year="1945">Palmer, 1945</bibRefCitation>
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, p. 61
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</treatmentCitation>
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||
.
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||
</treatmentCitationGroup>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="D9C46527FFCB93367FC99C43FAC2F871" pageId="24" pageNumber="25" type="description">
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<paragraph id="916136ACFFCB93367FC99C43FAC2F871" blockId="24.[151,1436,1871,2042]" pageId="24" pageNumber="25">
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<emphasis id="A3AAEABEFFCB93367FC99C43FEE5F8E1" bold="true" box="[151,289,1871,1897]" pageId="24" pageNumber="25">Description</emphasis>
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: The test wall is calcareous and perforate. The test is circular in outline, rounded, compressed and biconvex in side view. There are five chambers in the last whorl, gradually increasing toward the apertural end of the test. Sutures are coarsely perforate, distinct and oblique, radiating from the broad macroperforate centre of the test. The periphery of the test is unevenly carinate around the margin. The chambers are separated by flush oblique sutures. The elliptical-shaped aperture is produced on a broad tubular neck with a thick bordering lip.
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</paragraph>
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</subSubSection>
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<subSubSection id="D9C46527FFCA93377F999B9BFD1BFE02" pageId="25" pageNumber="26" type="discussion">
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<paragraph id="916136ACFFCA93377F999B9BFB7FFF71" blockId="25.[151,1437,151,394]" pageId="25" pageNumber="26">
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<emphasis id="A3AAEABEFFCA93377F999B9BFEF9FF39" bold="true" box="[199,317,151,177]" pageId="25" pageNumber="26">Remarks:</emphasis>
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The relative abundances recorded for
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<taxonomicName id="56DE4D2FFFCA93377DBA9B9BFC91FF39" authorityName="Cushman" authorityYear="1919" box="[740,853,151,177]" class="Globothalamea" family="Siphoninidae" genus="Siphonina" kingdom="Chromista" order="Rotaliida" pageId="25" pageNumber="26" phylum="Foraminifera" rank="species" species="pulchra">
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<emphasis id="A3AAEABEFFCA93377DBA9B9BFC91FF39" box="[740,853,151,177]" italics="true" pageId="25" pageNumber="26">S. pulchra</emphasis>
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</taxonomicName>
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are trace (<1%) in all three cores. Several specimens were found to be partially broken or with the aperture missing. The diameter of the tests in
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<bibRefCitation id="F54F4B5DFFCA93377BF59BB7FAACFF5D" author="Cushman, J. A." box="[1195,1384,187,213]" pageId="25" pageNumber="26" pagination="1 - 179" refId="ref30089" refString="Cushman, J. A. (1931) The foraminifera of the Atlantic Ocean. Part 8. Rotaliidae, Amphisteginidae, Calcarinidae, Cymbaloporettidae, Globorotaliidae, Anomalinidae, Planorbulinidae, Rupertiidae, and Homotremidae. Bulletin of the United States National Museum, 104 (8), 1 - 179. https: // doi. org / 10.5479 / si. 03629236.104.7" type="journal article" year="1931">Cushman (1931)</bibRefCitation>
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was reported to be
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<quantity id="56269B49FFCA93377E649BD2FE65FF71" box="[314,417,222,249]" metricMagnitude="-4" metricUnit="m" metricValue="6.5" pageId="25" pageNumber="26" unit="mm" value="0.65">0.65 mm</quantity>
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. Tests in this study are slightly smaller, measuring
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<quantity id="56269B49FFCA93377C849BD2FBF4FF71" box="[986,1072,222,249]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="25" pageNumber="26" unit="mm" value="0.5">0.5 mm</quantity>
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||
in diameter.
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||
</paragraph>
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||
<paragraph id="916136ACFFCA93377F999A0EFBCEFEC9" blockId="25.[151,1437,151,394]" pageId="25" pageNumber="26">
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||
<emphasis id="A3AAEABEFFCA93377F999A0EFEACFE95" bold="true" box="[199,360,258,285]" pageId="25" pageNumber="26">Life strategy:</emphasis>
|
||
The genus
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<taxonomicName id="56DE4D2FFFCA93377EB49A0FFD98FE95" authorityName="Reuss" authorityYear="1850" box="[490,604,259,285]" class="Globothalamea" family="Siphoninidae" genus="Siphonina" kingdom="Chromista" order="Rotaliida" pageId="25" pageNumber="26" phylum="Foraminifera" rank="genus">
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||
<emphasis id="A3AAEABEFFCA93377EB49A0FFD98FE95" box="[490,604,259,285]" italics="true" pageId="25" pageNumber="26">Siphonina</emphasis>
|
||
</taxonomicName>
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is epifaunal and prefers oxic bottom water conditions (
|
||
<bibRefCitation id="F54F4B5DFFCA93377B999A0FFA93FE95" author="Kaiho, K." box="[1223,1367,259,285]" pageId="25" pageNumber="26" pagination="719 - 722" refId="ref33365" refString="Kaiho, K. (1994) Benthic foraminiferal dissolved-oxygen index and dissolved-oxygen levels in the modern ocean. Geology, 22 (8), 719 - 722. https: // doi. org / 10.1130 / 0091 - 7613 (1994) 022 <0719: BFDOIA> 2.3. CO; 2" type="journal article" year="1994">Kaiho, 1994</bibRefCitation>
|
||
), with a bathymetric distribution from shelf to slope depths (
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||
<bibRefCitation id="F54F4B5DFFCA93377DAF9A2BFC3AFEC9" author="Phleger, F. B. & Parker, F. L." box="[753,1022,294,321]" pageId="25" pageNumber="26" pagination="1 - 64" refId="ref36454" refString="Phleger, F. B. & Parker, F. L. (1951) Ecology of foraminifera, northwest Gulf of Mexico. Part II. Foraminifera Species. Memoirs of the Geological Society of America, 46, 1 - 64. https: // doi. org / 10.1130 / MEM 46 - p 2 - 0001" type="journal article" year="1951">Phleger & Parker, 1951</bibRefCitation>
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||
).
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||
</paragraph>
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||
<paragraph id="916136ACFFCA93377F999A46FD1BFE02" blockId="25.[151,1437,151,394]" pageId="25" pageNumber="26">
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||
<emphasis id="A3AAEABEFFCA93377F999A46FE7FFEED" bold="true" box="[199,443,330,357]" pageId="25" pageNumber="26">Regional occurrence</emphasis>
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: This species is reported in middle Miocene sediments on the Namibian outer continental shelf, south of the
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<collectingRegion id="531AF84EFFCA93377E399A63FDC7FE01" box="[359,515,367,393]" isEnumeration="true" pageId="25" pageNumber="26">
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||
<collectingRegion id="531AF84EFFCA93377E399A63FE7AFE01" box="[359,446,367,393]" country="Namibia" name="Kunene" pageId="25" pageNumber="26">Kunene</collectingRegion>
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<collectingRegion id="531AF84EFFCA93377E9B9A63FDC7FE01" box="[453,515,367,393]" country="Nigeria" name="Rivers" pageId="25" pageNumber="26">River</collectingRegion>
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</collectingRegion>
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mouth (this study).
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</paragraph>
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||
</subSubSection>
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||
</treatment>
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||
</document> |