137 lines
17 KiB
XML
137 lines
17 KiB
XML
<document id="FD5513A7536C2FA631FAAFEACC1F8C15" ID-DOI="10.35463/j.apr.2019.01.04" ID-ISSN="1842-371x" ID-Zenodo-Dep="10520604" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.metadata_approvedBy="juliana" IM.taxonomicNames_approvedBy="juliana" IM.treatments_approvedBy="juliana" checkinTime="1705449489497" checkinUser="felipe" docAuthor="Dumitrica, Paulian" docDate="2019" docId="1F21C405C34CFF8D3E8FC810B219A08E" docLanguage="en" docName="ActaPalaeontolRom.15.1.39-60.pdf" docOrigin="Acta Palaeontologica Romaniae 15 (1)" docSource="http://dx.doi.org/10.35463/j.apr.2019.01.04" docStyle="DocumentStyle:CA474AAD92E97C533D63E0C5C0F159F1.1:ActaPalaeontolRom.2019-.journal_article" docStyleId="CA474AAD92E97C533D63E0C5C0F159F1" docStyleName="ActaPalaeontolRom.2019-.journal_article" docStyleVersion="1" docTitle="Homunculodiscus Dumitrica 2019, nov. gen." docType="treatment" docUuid="10315BD8-4203-463A-8CE4-ED3F6F1F6779" docUuidSource="ZooBank" docVersion="3" lastPageNumber="41" masterDocId="E318BC7DC34EFF8F3E18C953B35FA503" masterDocTitle="Cenozoic Spumellarian Radiolaria With Eccentric Microsphere" masterLastPageNumber="60" masterPageNumber="39" pageNumber="41" updateTime="1706701562277" updateUser="juliana" zenodo-license-document="CC-BY-4.0">
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<mods:titleInfo id="18D1BDA8AF696927D64375E5B90A5EF9">
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<mods:title id="7CF8B24B481027EB39C5834590D27CB6">Cenozoic Spumellarian Radiolaria With Eccentric Microsphere</mods:title>
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<mods:name id="21A7AFF11A5254A0B5F2A1457D666D5A" type="personal">
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<mods:namePart id="392C0AD9E0944CDE65969D79C488F1FE">Dumitrica, Paulian</mods:namePart>
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<mods:affiliation id="D00B6058038E47D33BA4D5D65AE975B0">Institute of Earth Sciences, Université de Lausanne, Géopolis, 1015 Lausanne, Switzerland; mailing address: Dennigkofenweg 33, 3073 Gümligen, Switzerland</mods:affiliation>
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<mods:nameIdentifier id="5EEB6742E54FD54B569DB88874ADBCC3" type="email">Paulian.Dumitrica@unil.ch</mods:nameIdentifier>
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<mods:title id="AED489E22F096B1079F36209FD97BA4B">Acta Palaeontologica Romaniae</mods:title>
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</mods:titleInfo>
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<mods:part id="27D42CCAAA1C6289514B4151194E998D">
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<mods:date id="2CEF3FF2EAE3208637AA1A2B34619F0F">2019</mods:date>
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<mods:number id="FC33516FF0320457D4065ABBCB526676">2019-04-25</mods:number>
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<mods:detail id="E74CF7FC470A60B260A5F0BCA59FEC1A" type="volume">
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<mods:number id="EAAAA0C831694F0A6B8E8FD84019D659">15</mods:number>
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<mods:detail id="0D772AA1B947AE12EC8222CC434CF121" type="issue">
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<mods:number id="39F742A72FED35B4295229F9EF548AEE">1</mods:number>
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<mods:start id="B8C333F568CC05B5C627A758C14338F8">39</mods:start>
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<mods:url id="4A18BCE680E36B5715F4E8CC4C92F4E2">http://dx.doi.org/10.35463/j.apr.2019.01.04</mods:url>
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<mods:classification id="E135FD4EF9F1107EF2E3C02859FDBA31">journal article</mods:classification>
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<mods:identifier id="3AEF6848BD855F02D7E90A88F80AFE9A" type="DOI">10.35463/j.apr.2019.01.04</mods:identifier>
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<mods:identifier id="0282813BD8417F94FAD281B60CA034FA" type="ISSN">1842-371x</mods:identifier>
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<mods:identifier id="61F985A2CC511F3DC055D07A218AB23B" type="Zenodo-Dep">10520604</mods:identifier>
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<mods:identifier id="85C3B79F242079330A7E6B8C0086029D" type="ZooBank">57C54916-CC13-4BA1-BA82-2A99A822D9D1</mods:identifier>
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</mods:mods>
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<treatment id="1F21C405C34CFF8D3E8FC810B219A08E" LSID="urn:lsid:zoobank.org:act:10315BD8-4203-463A-8CE4-ED3F6F1F6779" httpUri="http://treatment.plazi.org/id/1F21C405C34CFF8D3E8FC810B219A08E" lastPageNumber="41" pageId="2" pageNumber="41">
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<subSubSection id="DF922698C34CFF8D3E8FC810B14CA45F" box="[151,531,323,348]" pageId="2" pageNumber="41" type="nomenclature">
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<paragraph id="97377513C34CFF8D3E8FC810B14CA45F" blockId="2.[151,531,323,348]" box="[151,531,323,348]" pageId="2" pageNumber="41">
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<heading id="CC7FC27FC34CFF8D3E8FC810B14CA45F" box="[151,531,323,348]" fontSize="36" level="2" pageId="2" pageNumber="41" reason="2">
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Genus
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<taxonomicName id="50880E90C34CFF8D3EFAC817B2F5A45F" authority="Dumitrica, 2019" authorityName="Dumitrica" authorityYear="2019" box="[226,426,324,348]" family="Suttoniidae" genus="Homunculodiscus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spumellaria" pageId="2" pageNumber="41" rank="genus" status="gen. nov.">
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<emphasis id="A5FCA901C34CFF8D3EFAC817B2F5A45F" bold="true" box="[226,426,324,348]" italics="true" pageId="2" pageNumber="41">Homunculodiscus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="BECF147AC34CFF8D3FA8C817B14CA45F" box="[432,531,324,348]" pageId="2" pageNumber="41" rank="genus">nov. gen.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="DF922698C34CFF8D3E8FC830B196A479" box="[151,713,354,378]" pageId="2" pageNumber="41" type="type_taxon">
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<paragraph id="97377513C34CFF8D3E8FC830B196A479" blockId="2.[151,771,354,1421]" box="[151,713,354,378]" pageId="2" pageNumber="41">
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<emphasis id="A5FCA901C34CFF8D3E8FC830B240A479" box="[151,287,355,378]" italics="true" pageId="2" pageNumber="41">
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<typeStatus id="4833CBB1C34CFF8D3E8FC830B394A479" box="[151,203,355,378]" pageId="2" pageNumber="41">Type</typeStatus>
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species
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</emphasis>
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.
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<taxonomicName id="50880E90C34CFF8D3F34C831B19AA479" authority="Caulet, 1991" authorityName="Caulet" authorityYear="1991" box="[300,709,354,378]" class="Polycystina" family="Spongodiscidae" genus="Stylodictya" kingdom="Chromista" order="Spumellaria" pageId="2" pageNumber="41" phylum="Radiozoa" rank="species" species="tainemplekta">
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<emphasis id="A5FCA901C34CFF8D3F34C831B16DA479" box="[300,562,354,378]" italics="true" pageId="2" pageNumber="41">Stylodictya tainemplekta</emphasis>
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<bibRefCitation id="F31908E2C34CFF8D3C22C831B19AA479" author="Caulet, J. - P." box="[570,709,354,378]" pageId="2" pageNumber="41" pagination="513 - 546" refId="ref13940" refString="Caulet, J. - P., 1991. Radiolarians from the Kerguelen Plateau, Leg 119. In: Barron, J., Larsen, B., et al., Proceedings of the Ocean Drilling Program, Scientific Results, 119: 513 - 546." type="journal article" year="1991">Caulet, 1991</bibRefCitation>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="DF922698C34CFF8D3E8FC8D2B243A7AF" pageId="2" pageNumber="41" type="diagnosis">
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<paragraph id="97377513C34CFF8D3E8FC8D2B243A7AF" blockId="2.[151,771,354,1421]" pageId="2" pageNumber="41">
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<emphasis id="A5FCA901C34CFF8D3E8FC8D2B25CA49B" box="[151,259,385,408]" italics="true" pageId="2" pageNumber="41">Diagnosis</emphasis>
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. Test circular disc-shaped and very thin consisting of two parallel porous plates interconnected by short bars perpendicular to plates, most of them interconnected also in the equatorial plane of the disc by bars forming characteristic curved structures well visible in transmitted light. Pores circular, disposed commonly in radial rows and increasing slightly in diameter from the centre to periphery. Microsphere without primary radial spines. Deuteroconcha tending to reduce the lobes from three to one.
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</paragraph>
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</subSubSection>
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<subSubSection id="DF922698C34CFF8D3E8FCBE0B16AA1F7" pageId="2" pageNumber="41" type="discussion">
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<paragraph id="97377513C34CFF8D3E8FCBE0B288A645" blockId="2.[151,771,354,1421]" pageId="2" pageNumber="41">
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<emphasis id="A5FCA901C34CFF8D3E8FCBE0B3ABA7C8" box="[151,244,691,715]" italics="true" pageId="2" pageNumber="41">Remarks</emphasis>
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. This new genus differs from
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<taxonomicName id="50880E90C34CFF8D3C24CBE0B396A7E9" authority="Ehrenberg" authorityName="Ehrenberg" authorityYear="1847" class="Polycystina" family="Spongodiscidae" genus="Stylodictya" kingdom="Chromista" order="Spumellaria" pageId="2" pageNumber="41" phylum="Radiozoa" rank="genus">
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<emphasis id="A5FCA901C34CFF8D3C24CBE0B1EDA7C8" box="[572,690,691,715]" italics="true" pageId="2" pageNumber="41">Stylodictya</emphasis>
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Ehrenberg
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</taxonomicName>
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, to which the
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<typeStatus id="4833CBB1C34CFF8D3F77CB80B2C2A7E8" box="[367,413,723,747]" pageId="2" pageNumber="41">type</typeStatus>
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species was originally assigned (
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<bibRefCitation id="F31908E2C34CFF8D3E86CBA2B26DA60A" author="Caulet, J. - P." box="[158,306,753,777]" pageId="2" pageNumber="41" pagination="513 - 546" refId="ref13940" refString="Caulet, J. - P., 1991. Radiolarians from the Kerguelen Plateau, Leg 119. In: Barron, J., Larsen, B., et al., Proceedings of the Ocean Drilling Program, Scientific Results, 119: 513 - 546." type="journal article" year="1991">Caulet, 1991</bibRefCitation>
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), by having an eccentric microsphere, a diploconchal initial structure, no primary radial spines, and a different shell structure.
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</paragraph>
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<paragraph id="97377513C34CFF8D3E8FCA1EB16AA1F7" blockId="2.[151,771,354,1421]" pageId="2" pageNumber="41">
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The diploconchal structure, and especially the deuteroconcha of this genus, shows a rapid and interesting evolution. In the earliest species (
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<taxonomicName id="50880E90C34CFF8D3FFBCAD9B05CA6A1" authority="Dumitrica, 2019" authorityName="Dumitrica" authorityYear="2019" box="[483,771,906,930]" genus="Homunculodiscus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="2" pageNumber="41" rank="species" species="nascens" status="sp. nov.">
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<emphasis id="A5FCA901C34CFF8D3FFBCAD9B05CA6A1" box="[483,771,906,930]" italics="true" pageId="2" pageNumber="41">Homunculodiscus nascens</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="BECF147AC34CFF8D3E8FCAFAB3ADA6C3" box="[151,242,937,960]" pageId="2" pageNumber="41" rank="species">nov. sp.</taxonomicNameLabel>
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,
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<figureCitation id="0FB36996C34CFF8D3F1BCAFAB219A6C2" box="[259,326,937,961]" captionStart="Fig" captionStartId="3.[203,238,1543,1564]" captionTargetBox="[204,1393,147,1504]" captionTargetId="figure-341@3.[203,1393,147,1505]" captionTargetPageId="3" captionText="Fig. 1 a-g. Homunculodiscus nascens nov. gen., nov. sp. a-b – holotype; b, detail, double magnification of central part of fig. a; c-e – paratype 1, d-e detail of central part, double magnification of fig. c, focused at two levels. f-g. paratype 2; g – double magnification of central part of fig. f. a, c, DSDP 21-208-32CC, early Paleocene. f, DSDP-21-208-31CC, early Paleocene. Scale bars for a, b, c, f = 50 μm." figureDoi="http://doi.org/10.5281/zenodo.10520606" httpUri="https://zenodo.org/record/10520606/files/figure.png" pageId="2" pageNumber="41">Fig. 1</figureCitation>
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, very early Paleocene) this chamber is very small and divided into 3 very small globular chambers. At younger levels of the early Paleocene (
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<figureCitation id="0FB36996C34CFF8D3CACCAB5B05CA6FD" box="[692,771,998,1022]" captionStart="Fig" captionStartId="4.[183,218,1734,1755]" captionTargetBox="[183,1404,147,1697]" captionTargetId="figure-224@4.[183,1405,147,1697]" captionTargetPageId="4" captionText="Fig. 2 a-h. Homunculodiscus cauleti nov. gen., nov. sp., DSDP 21-208-30CC; scale bars of figs. a-d = 50 μm, of figs. e-h same bars = 25 μm. e represents the central part of a; f represents the central part of b; g represents the central part of c; h represents the central part of d." figureDoi="http://doi.org/10.5281/zenodo.10520608" httpUri="https://zenodo.org/record/10520608/files/figure.png" pageId="2" pageNumber="41">Figs. 2</figureCitation>
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and
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<figureCitation id="0FB36996C34CFF8D3EDECD56B38CA11E" box="[198,211,1029,1053]" captionStart="Fig" captionStartId="5.[193,228,1740,1761]" captionTargetBox="[193,1429,155,1691]" captionTargetId="figure-28@5.[193,1429,155,1703]" captionTargetPageId="5" captionText="Fig. 3 a-d. Homunculodiscus tribulatus nov. gen., nov. sp., DSDP 21-208-30 CC; a, c – holotype; c – detail of central part of a, double magnified. b, d – paratype, d – central part of b double magnified. e, g – Homunculodiscus teinemplecta (Caulet), DSDP 21-207A-15CC; e – detail of central part of fig. g, double magnified. Fig. f, h - Cryptomanicula absconsa nov. gen., nov. sp. paratype; f – detail of surface of central part of fig. h, focused on surface, h focused on middle part, DSDP 21-208-30 CC. Scale bar for entire specimens = 50 μm." figureDoi="http://doi.org/10.5281/zenodo.10520610" httpUri="https://zenodo.org/record/10520610/files/figure.png" pageId="2" pageNumber="41">3</figureCitation>
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) this chamber is better individualized and the number of chambers starts reducing. At last, in the middle Eocene species
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<taxonomicName id="50880E90C34CFF8D3F53CD11B05CA159" authority="(Caulet)" baseAuthorityName="Caulet" box="[331,771,1090,1114]" genus="Homunculodiscus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="2" pageNumber="41" rank="species" species="tainemplecta">
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<emphasis id="A5FCA901C34CFF8D3F53CD11B1FFA159" box="[331,672,1090,1114]" italics="true" pageId="2" pageNumber="41">Homunculodiscus tainemplecta</emphasis>
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(Caulet)
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</taxonomicName>
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(
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<figureCitation id="0FB36996C34CFF8D3E87CD32B3B3A17A" box="[159,236,1121,1145]" captionStart="Fig" captionStartId="5.[193,228,1740,1761]" captionTargetBox="[193,1429,155,1691]" captionTargetId="figure-28@5.[193,1429,155,1703]" captionTargetPageId="5" captionText="Fig. 3 a-d. Homunculodiscus tribulatus nov. gen., nov. sp., DSDP 21-208-30 CC; a, c – holotype; c – detail of central part of a, double magnified. b, d – paratype, d – central part of b double magnified. e, g – Homunculodiscus teinemplecta (Caulet), DSDP 21-207A-15CC; e – detail of central part of fig. g, double magnified. Fig. f, h - Cryptomanicula absconsa nov. gen., nov. sp. paratype; f – detail of surface of central part of fig. h, focused on surface, h focused on middle part, DSDP 21-208-30 CC. Scale bar for entire specimens = 50 μm." figureDoi="http://doi.org/10.5281/zenodo.10520610" httpUri="https://zenodo.org/record/10520610/files/figure.png" pageId="2" pageNumber="41">
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Fig.
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<quantity id="5070D8F6C34CFF8D3ECACD32B3B3A17A" box="[210,236,1121,1145]" metricMagnitude="-3" metricUnit="kg" metricValue="3.0" pageId="2" pageNumber="41" unit="g" value="3.0">3g</quantity>
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</figureCitation>
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and
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<figureCitation id="0FB36996C34CFF8D3F3BCD32B23CA17A" box="[291,355,1121,1145]" captionStart="Fig" captionStartId="6.[289,324,1565,1586]" captionTargetBox="[162,1431,152,1527]" captionTargetId="figure-419@6.[162,1431,152,1527]" captionTargetPageId="6" captionText="Fig. 4 a-d - Homunculodiscus tainemplecta (Caulet), DSDP 21-207A-CC. Scale bar for all figures = 50 μm." figureDoi="http://doi.org/10.5281/zenodo.10520612" httpUri="https://zenodo.org/record/10520612/files/figure.png" pageId="2" pageNumber="41">Fig. 4</figureCitation>
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) this chamber is very well individualized, is larger than the microsphere and together with it makes a well characteristic body that suggests a homunculus, and that is well separated from the rest of the shell by a more or less disturbed oval circle.
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</paragraph>
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</subSubSection>
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<subSubSection id="DF922698C34CFF8D3E8FCDA9B2B3A04C" pageId="2" pageNumber="41" type="etymology">
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<paragraph id="97377513C34CFF8D3E8FCDA9B2B3A04C" blockId="2.[151,771,354,1421]" pageId="2" pageNumber="41">
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<emphasis id="A5FCA901C34CFF8D3E8FCDA9B256A011" box="[151,265,1274,1298]" italics="true" pageId="2" pageNumber="41">Etymology</emphasis>
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. From the Latin
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<emphasis id="A5FCA901C34CFF8D3FDCCDA9B119A011" box="[452,582,1274,1298]" italics="true" pageId="2" pageNumber="41">homunculus</emphasis>
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– small man and
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<emphasis id="A5FCA901C34CFF8D3E8FCC4AB385A032" box="[151,218,1305,1329]" italics="true" pageId="2" pageNumber="41">discus</emphasis>
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– disc, due to the shape of the central shell of the
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<typeStatus id="4833CBB1C34CFF8D3E8FCC6BB39AA053" box="[151,197,1336,1360]" pageId="2" pageNumber="41">type</typeStatus>
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species. Masculine gender.
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</paragraph>
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</subSubSection>
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<subSubSection id="DF922698C34CFF8D3E8FCC04B219A08E" pageId="2" pageNumber="41" type="distribution">
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<paragraph id="97377513C34CFF8D3E8FCC04B219A08E" blockId="2.[151,771,354,1421]" pageId="2" pageNumber="41">
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<emphasis id="A5FCA901C34CFF8D3E8FCC04B2CEA06D" box="[151,401,1366,1390]" italics="true" pageId="2" pageNumber="41">Range and occurrence</emphasis>
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. Lowermost Paleocene to lowermost Oligocene.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |