171 lines
18 KiB
XML
171 lines
18 KiB
XML
<document id="F810870AF58DCC1B5C70E349AD1F2611" ID-CLB-Dataset="46691" ID-DOI="10.5281/zenodo.207867" ID-GBIF-Dataset="19301cd0-232e-4c85-98e4-d12d5441e0b1" ID-ISSN="1175-5326" ID-Zenodo-Dep="207867" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460367631680" checkinUser="plazi" docAuthor="Silva, Ana Aranda Da, Gooday, Andrew J., Pearse, Richard B. & Cunha, Marina R." docDate="2011" docId="03ED6907FFEAD0600ABF4ABAFBB2646E" docLanguage="en" docName="zt02912p058.pdf" docOrigin="Zootaxa 2912" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Bithekammina Silva, Gooday, Pearse & Cunha, 2011, gen. nov." docType="treatment" docVersion="9" lastPageNumber="51" masterDocId="FFD4117FFFE8D0620A284A2DFFA46014" masterDocTitle="A new ‘ saccamminid’ genus (Rhizaria: Foraminifera), from 4400 m water depth in the Nazaré Canyon (NE Atlantic)" masterLastPageNumber="58" masterPageNumber="49" pageNumber="51" updateTime="1698295360269" updateUser="ExternalLinkService">
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<mods:titleInfo id="B23019FDF77D58F4330012D7519A4372">
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<mods:title id="97C01613056ED56BFFB1523FC01D5498">A new ‘ saccamminid’ genus (Rhizaria: Foraminifera), from 4400 m water depth in the Nazaré Canyon (NE Atlantic)</mods:title>
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<mods:name id="AFDB5683966B9DE53390413120B9FB6D" type="personal">
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<mods:roleTerm id="46C0B789FDD5B321107C7AD1D93639E0">Author</mods:roleTerm>
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<mods:namePart id="9C0B84B205744637AC36146647A8D157">Silva, Ana Aranda Da</mods:namePart>
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<mods:roleTerm id="608000276DAEDA870EACD3CC9569EE96">Author</mods:roleTerm>
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<mods:namePart id="13DF653F4F5B96E5CC3AB1AD56CDDF4E">Gooday, Andrew J.</mods:namePart>
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<mods:roleTerm id="2E0AC8BFAF418E8AB6505CAFC74245F2">Author</mods:roleTerm>
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<mods:namePart id="C81618C3E9F5BD49CF1E8ED8F8A70010">Pearse, Richard B.</mods:namePart>
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<mods:name id="B9D7D8B5D023C8C753E0B6961037ACB5" type="personal">
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<mods:roleTerm id="FB62EA48C60C6E1863F5F90F0F1BFE73">Author</mods:roleTerm>
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<mods:namePart id="04D34B16F09AEF144D585B605287D427">Cunha, Marina R.</mods:namePart>
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<mods:title id="3A15B06F765216B4D8AAD6214FBEBC1C">Zootaxa</mods:title>
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<mods:part id="D47D2A0CC243995A3CC7AD1FC7F34495">
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<mods:date id="709B55808AF5F7BBBE9C7233C304A9E3">2011</mods:date>
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<mods:number id="F159F3FB4601613A7160D30EFA642277">2912</mods:number>
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<treatment id="03ED6907FFEAD0600ABF4ABAFBB2646E" ID-DOI="http://doi.org/10.5281/zenodo.6183138" ID-GBIF-Taxon="119411091" ID-Zenodo-Dep="6183138" LSID="urn:lsid:plazi:treatment:03ED6907FFEAD0600ABF4ABAFBB2646E" httpUri="http://treatment.plazi.org/id/03ED6907FFEAD0600ABF4ABAFBB2646E" lastPageNumber="51" pageId="2" pageNumber="51">
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<subSubSection id="C35E8B9AFFEAD0600ABF4ABAFD41612A" pageId="2" pageNumber="51" type="nomenclature">
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<paragraph id="8BFBD811FFEAD0600ABF4ABAFE1B60A5" blockId="2.[151,447,151,177]" box="[151,447,151,177]" pageId="2" pageNumber="51">
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<heading id="D0B36F7DFFEAD0600ABF4ABAFE1B60A5" bold="true" box="[151,447,151,177]" fontSize="11" level="1" pageId="2" pageNumber="51" reason="1">
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<emphasis id="B9300403FFEAD0600ABF4ABAFE1B60A5" bold="true" box="[151,447,151,177]" pageId="2" pageNumber="51">
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<taxonomicName id="4C44A392FFEAD0600ABF4ABAFEEE60A5" ID-CoL="7NTC5" box="[151,330,151,177]" class="Monothalamea" family="Saccamminidae" genus="Bithekammina" kingdom="Chromista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="genus" status="gen. nov.">
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<emphasis id="B9300403FFEAD0600ABF4ABAFEEE60A5" bold="true" box="[151,330,151,177]" italics="true" pageId="2" pageNumber="51">Bithekammina</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A203B978FFEAD0600B794ABAFE1B60A5" box="[337,447,151,177]" pageId="2" pageNumber="51" rank="genus">gen. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BFBD811FFEAD0600ABF4AF3FD41612A" blockId="2.[151,1437,222,1146]" pageId="2" pageNumber="51">
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The systematic division of higher taxa based on morphology has little support from molecular studies (
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<bibRefCitation id="EFD5A5E0FFEAD0600F374AF3FEB3610E" author="Pawlowski" pageId="2" pageNumber="51" refString="Pawlowski, J., Holzmann, M., Berney, C., Fahrni, J., Cedhagen, T. & Bowser, S. S. (2002) Phylogeny of allogromiid foraminifera inferred from SSU rRNA gene sequences. Journal of Foraminiferal Research, 32 (4), 334 - 343." type="journal article" year="2002">
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Pawlowski
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<emphasis id="B9300403FFEAD0600ABF4B29FF75610F" box="[151,209,259,283]" italics="true" pageId="2" pageNumber="51">et al.</emphasis>
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2002
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</bibRefCitation>
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). We therefore recognise the family
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<taxonomicName id="4C44A392FFEAD060089F4B2FFCCC610E" box="[695,872,258,282]" class="Monothalamea" family="Saccamminidae" kingdom="Chromista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="family">Saccamminidae</taxonomicName>
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only in order to provide a systematic context for our new taxa that is consistent with previous studies.
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</paragraph>
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</subSubSection>
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<subSubSection id="C35E8B9AFFEAD0600AEF4B66FB3261BE" pageId="2" pageNumber="51" type="etymology">
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<paragraph id="8BFBD811FFEAD0600AEF4B66FB3261BE" blockId="2.[151,1437,222,1146]" pageId="2" pageNumber="51">
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<emphasis id="B9300403FFEAD0600AEF4B66FEEA6177" bold="true" box="[199,334,331,355]" pageId="2" pageNumber="51">Etymology.</emphasis>
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The first part of the name (the suffix bi) means two; the middle part (theka) derives from the Greek theke (θηκη) meaning case or test; the last part (-ammina) is a common ending for generic names of agglutinating foraminiferans and is derived from the Greek word ammos (αμμος), meaning sand.
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</paragraph>
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</subSubSection>
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<subSubSection id="C35E8B9AFFEAD0600AEF4B9AFC0B61DA" box="[199,943,438,463]" pageId="2" pageNumber="51" type="materials_examined">
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<paragraph id="8BFBD811FFEAD0600AEF4B9AFC0B61DA" blockId="2.[151,1437,222,1146]" box="[199,943,438,463]" pageId="2" pageNumber="51">
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<emphasis id="B9300403FFEAD0600AEF4B9AFEC661DB" bold="true" box="[199,354,438,463]" pageId="2" pageNumber="51">
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<typeStatus id="54FF66B3FFEAD0600AEF4B9AFEA661DB" box="[199,258,439,463]" pageId="2" pageNumber="51">Type</typeStatus>
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species.
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</emphasis>
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<taxonomicName id="4C44A392FFEAD0600B414B9BFD1A61DA" authority="Aranda" authorityName="Aranda" box="[361,702,438,462]" class="Monothalamea" family="Saccamminidae" genus="Bithekammina" kingdom="Chromista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="species" species="occulta">
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<emphasis id="B9300403FFEAD0600B414B9BFDC761DA" box="[361,611,438,462]" italics="true" pageId="2" pageNumber="51">Bithekammina occulta</emphasis>
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Aranda
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</taxonomicName>
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da Silva and Gooday
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</paragraph>
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</subSubSection>
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<subSubSection id="C35E8B9AFFEAD0600AEF4BF7FAA862B2" pageId="2" pageNumber="51" type="diagnosis">
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<paragraph id="8BFBD811FFEAD0600AEF4BF7FAA862B2" blockId="2.[151,1437,222,1146]" pageId="2" pageNumber="51">
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<emphasis id="B9300403FFEAD0600AEF4BF7FEE561E7" bold="true" box="[199,321,474,499]" pageId="2" pageNumber="51">Diagnosis.</emphasis>
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Test free, monothalamous, spherical to ovate in shape, and generally 200–400 µm in size. Test surface very smooth, translucent with diffuse silvery highlighted in reflected light. Single aperture forms round opening with slightly raised rim but otherwise without any associated structures. Wall thin and composed largely of tiny (usually 1–2 µm) plate-like clay particles overlying organic lining. Cell body with large nucleus, but without any other obvious inclusions. Test typically enclosed within larger, more coarsely agglutinated case (‘secondary test’), which gives rise to long, narrow tubular extension that corresponds to the aperture of the primary test.
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</paragraph>
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</subSubSection>
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<subSubSection id="C35E8B9AFFEAD0600AEF489EFBB2646E" pageId="2" pageNumber="51" type="discussion">
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<paragraph id="8BFBD811FFEAD0600AEF489EFC62641A" blockId="2.[151,1437,222,1146]" pageId="2" pageNumber="51">
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<emphasis id="B9300403FFEAD0600AEF489EFE9F62DF" bold="true" box="[199,315,691,715]" pageId="2" pageNumber="51">Remarks.</emphasis>
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The most interesting characteristic of
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<taxonomicName id="4C44A392FFEAD06008D8489EFC3562DF" box="[752,913,691,715]" class="Monothalamea" family="Saccamminidae" genus="Bithekammina" kingdom="Chromista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="genus">
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<emphasis id="B9300403FFEAD06008D8489EFC3562DF" box="[752,913,691,715]" italics="true" pageId="2" pageNumber="51">Bithekammina</emphasis>
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</taxonomicName>
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is the fact that the test is enclosed in an outer agglutinated case, a feature not present in any other named ‘saccamminid’. The test itself resembles that of the newly-described genus
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<taxonomicName id="4C44A392FFEAD0600BB648D1FCFE6306" authority="Altin, Habura & Goldstein 2009" authorityName="Altin, Habura & Goldstein" authorityYear="2009" box="[414,858,762,787]" class="Polythalamea" family="Saccamminidae" genus="Niveus" higherTaxonomySource="GBIF" kingdom="Protista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="genus">
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<emphasis id="B9300403FFEAD0600BB648D1FE4E6307" box="[414,490,764,787]" italics="true" pageId="2" pageNumber="51">Niveus</emphasis>
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<bibRefCitation id="EFD5A5E0FFEAD0600BD948D7FCFE6306" author="Altin" box="[497,858,762,786]" pageId="2" pageNumber="51" refString="Altin, D. Z., Habura, A. & Goldstein, S. T. (2009) A New Allogromiid Foraminifer Niveus flexilis nov. gen., nov. sp., from Coastal Georgia, USA: Fine Structure and Gametogenesis. Journal of Foraminiferal Research, 39, 73 - 86." type="journal article" year="2009">Altin, Habura & Goldstein 2009</bibRefCitation>
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</taxonomicName>
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(
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<typeStatus id="54FF66B3FFEAD060094048D7FC3E6306" box="[872,922,762,786]" pageId="2" pageNumber="51">type</typeStatus>
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species
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<taxonomicName id="4C44A392FFEAD06009D048D1FBC06307" box="[1016,1124,763,787]" class="Polythalamea" family="Saccamminidae" genus="Niveus" higherTaxonomySource="GBIF" kingdom="Protista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="species" species="flexilis">
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<emphasis id="B9300403FFEAD06009D048D1FBC06307" box="[1016,1124,763,787]" italics="true" pageId="2" pageNumber="51">N. flexilis</emphasis>
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</taxonomicName>
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) in being rather small, flexible and ovate in shape with an outer surface composed of tiny, flake-like clay particles. In
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<emphasis id="B9300403FFEAD0600E90490DFA886322" box="[1208,1324,798,823]" italics="true" pageId="2" pageNumber="51">
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<taxonomicName id="4C44A392FFEAD0600E90490DFA8C6322" box="[1208,1320,798,823]" class="Polythalamea" family="Saccamminidae" genus="Niveus" higherTaxonomySource="GBIF" kingdom="Protista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="species" species="flexilis">N. flexilis</taxonomicName>
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,
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</emphasis>
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however, these particles overlie a much thicker inner organic lining, so that the test appears to have an organic wall when viewed under a dissecting microscope. The organic lining is thin in our new genus and the wall is separated from the cell body by what appears to be an open space, which is wider near the distal end than the proximal end. Another recently described ‘saccamminid’ genus,
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<taxonomicName id="4C44A392FFEAD06008FA499DFA8663D2" authority="Cedhagen, Gooday & Pawlowski 2009" authorityName="Cedhagen, Gooday & Pawlowski" authorityYear="2009" box="[722,1314,942,967]" class="Monothalamea" family="Saccamminidae" genus="Leptammina" kingdom="Chromista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="genus">
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<emphasis id="B9300403FFEAD06008FA499DFCFA63D3" box="[722,862,944,967]" italics="true" pageId="2" pageNumber="51">Leptammina</emphasis>
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<bibRefCitation id="EFD5A5E0FFEAD060094F4983FA8663D2" author="Cedhagen" box="[871,1314,942,966]" pageId="2" pageNumber="51" refString="Cedhagen, T., Gooday, A. J. & Pawlowski, J. (2009) A new genus and two new species of saccamminid foraminiferans (Protista, Rhizaria) from the deep Southern Ocean. Zootaxa, 2096, 9 - 22." type="journal article" year="2009">Cedhagen, Gooday & Pawlowski 2009</bibRefCitation>
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</taxonomicName>
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(
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<typeStatus id="54FF66B3FFEAD0600F1A4983FAC063D2" box="[1330,1380,942,966]" pageId="2" pageNumber="51">type</typeStatus>
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species
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<taxonomicName id="4C44A392FFEAD0600AE149F9FEFE63FF" box="[201,346,979,1003]" class="Monothalamea" family="Saccamminidae" genus="Leptammina" kingdom="Chromista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="species" species="flavofusca">
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<emphasis id="B9300403FFEAD0600AE149F9FEFE63FF" box="[201,346,979,1003]" italics="true" pageId="2" pageNumber="51">L. flavofusca</emphasis>
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</taxonomicName>
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), is much larger (up to
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<quantity id="4CBC75F4FFEAD060084949FFFD0663FE" box="[609,674,978,1002]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="2" pageNumber="51" unit="mm" value="2.0">2 mm</quantity>
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diameter) than
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<taxonomicName id="4C44A392FFEAD060097A49FEFC5063FF" box="[850,1012,979,1003]" class="Monothalamea" family="Saccamminidae" genus="Bithekammina" kingdom="Chromista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="genus">
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<emphasis id="B9300403FFEAD060097A49FEFC5063FF" box="[850,1012,979,1003]" italics="true" pageId="2" pageNumber="51">Bithekammina</emphasis>
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</taxonomicName>
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and has a thicker test wall. It also has a clearly developed endosolenial tube, a feature absent in
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<taxonomicName id="4C44A392FFEAD060093549DBFC1A641A" box="[797,958,1014,1038]" class="Monothalamea" family="Saccamminidae" genus="Bithekammina" kingdom="Chromista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="genus">
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<emphasis id="B9300403FFEAD060093549DBFC1A641A" box="[797,958,1014,1038]" italics="true" pageId="2" pageNumber="51">Bithekammina</emphasis>
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="8BFBD811FFEAD0600AEF4E36FBB2646E" blockId="2.[151,1437,222,1146]" pageId="2" pageNumber="51">
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Apart from the presence of a secondary agglutinated case,
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<taxonomicName id="4C44A392FFEAD060097C4E36FC526427" box="[852,1014,1051,1075]" class="Monothalamea" family="Saccamminidae" genus="Bithekammina" kingdom="Chromista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="genus">
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<emphasis id="B9300403FFEAD060097C4E36FC526427" box="[852,1014,1051,1075]" italics="true" pageId="2" pageNumber="51">Bithekammina</emphasis>
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</taxonomicName>
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differs from
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<taxonomicName id="4C44A392FFEAD0600EA14E36FAA06426" box="[1161,1284,1051,1074]" class="Monothalamea" family="Saccamminidae" genus="Ovammina" kingdom="Chromista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="genus">
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<emphasis id="B9300403FFEAD0600EA14E36FAA06426" box="[1161,1284,1051,1074]" italics="true" pageId="2" pageNumber="51">Ovammina</emphasis>
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</taxonomicName>
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(
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<typeStatus id="54FF66B3FFEAD0600F3B4E37FAE16426" box="[1299,1349,1050,1074]" pageId="2" pageNumber="51">type</typeStatus>
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species
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<taxonomicName id="4C44A392FFEAD0600ABF4E12FE1D6442" authority="Dahlgren, 1962" authorityName="Dahlgren" authorityYear="1962" box="[151,441,1086,1111]" class="Monothalamea" family="Saccamminidae" genus="Ovammina" kingdom="Chromista" order="Astrorhizida" pageId="2" pageNumber="51" phylum="Foraminifera" rank="species" species="opaca">
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<emphasis id="B9300403FFEAD0600ABF4E12FF5B6443" box="[151,255,1087,1111]" italics="true" pageId="2" pageNumber="51">
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<collectingCountry id="F3539881FFEAD0600ABF4E12FF0A6442" box="[151,174,1087,1110]" name="Iceland" pageId="2" pageNumber="51">O</collectingCountry>
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. opaca
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</emphasis>
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<bibRefCitation id="EFD5A5E0FFEAD0600B204E13FE1D6442" author="Dahlgren" box="[264,441,1086,1110]" pageId="2" pageNumber="51" refString="Dahlgren, L. (1962) A new monothalamous foraminifer, Ovammina opaca n. gen., n. sp., belonging to the family Saccamminidae. Zoologiska Bidrag fran Uppsala, 33, 197 - 200." type="journal article" year="1962">Dahlgren, 1962</bibRefCitation>
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</taxonomicName>
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) in having an oval rather than egg-shaped to fusiform shape, a much thinner and more finely agglutinated test wall, and in lacking a well-developed endosolenial tube.
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</paragraph>
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||
</subSubSection>
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</treatment>
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</document> |