160 lines
21 KiB
XML
160 lines
21 KiB
XML
<document id="A12A5C3C335CBD6684DB83EE49BAB922" ID-DOI="10.5252/g2017n4a7" ID-ISSN="1638-9395" ID-Zenodo-Dep="4536184" ID-ZooBank="urn:lsid:zoobank.org:pub:4A8E78AE-A740-4537-BD3C-DF0AA18359CE" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1613068707574" checkinUser="felipe" docAuthor="Martino, Emanuela Di & Taylor, Paul D." docDate="2017" docId="03DE3234FFEFC625FCAAF90F5AB5D39C" docLanguage="en" docName="Geodiversitas.39.4.783-796.pdf" docOrigin="Geodiversitas 39 (4)" docSource="http://dx.doi.org/10.5252/g2017n4a7" docStyle="DocumentStyle:4DA100580BA89F561A6D37CADC50A8FD.3:Geodiversitas.2015-2017.journal_article.type2" docStyleId="4DA100580BA89F561A6D37CADC50A8FD" docStyleName="Geodiversitas.2015-2017.journal_article.type2" docStyleVersion="3" docTitle="Hemiphylactella Vigneaux 1949" docType="treatment" docVersion="3" lastPageNumber="786" masterDocId="FFE74A4CFFEDC626FFC2FFDE5E3FD477" masterDocTitle="Some Miocene cheilostome bryozoan genera of Michel Vigneaux - systematic revision and scanning electron microscopic study" masterLastPageNumber="796" masterPageNumber="783" pageNumber="785" updateTime="1698871155856" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title id="B494DBF3C7B0BB1279461ADE79D7F50B">Some Miocene cheilostome bryozoan genera of Michel Vigneaux - systematic revision and scanning electron microscopic study</mods:title>
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<mods:namePart id="EE46A49278CF02526A4F88400648A968">Martino, Emanuela Di</mods:namePart>
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<mods:namePart id="11A0FB64E3060F76197AC821ABEDAF81">Taylor, Paul D.</mods:namePart>
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<mods:typeOfResource id="A5B4603A873FA3AD785CC2D714605ED2">text</mods:typeOfResource>
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<mods:title id="889DAC79D52F44BE08D070AD6FB2BA39">Geodiversitas</mods:title>
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<mods:part id="B56965DD2AC45045BAC45B53C0BEE8F6">
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<mods:date id="48FEB38F1AD74F8EA9EFFD2EE749F17D">2017</mods:date>
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<mods:number id="8CC3A9432BACAC79031C17326DD4B866">2017-12-29</mods:number>
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<mods:number id="2B6ACABEBA133D0315B3404A8308A553">39</mods:number>
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<mods:url id="8B5F210C488FAE48EFB1BAE76507C49D">http://dx.doi.org/10.5252/g2017n4a7</mods:url>
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<mods:identifier id="2CFFF3452EC26A9B437DFD04E9F1A7C9" type="DOI">10.5252/g2017n4a7</mods:identifier>
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<subSubSection id="C36DD0A9FFEFC624FCAAF90F5AA9D37B" pageId="2" pageNumber="785" type="nomenclature">
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<paragraph id="8BC88322FFEFC624FCAAF90F5AA9D37B" blockId="2.[872,1396,1745,1804]" pageId="2" pageNumber="785">
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<emphasis id="B9035F30FFEFC624FCAAF90F5AFFD29B" bold="true" box="[872,1216,1745,1772]" pageId="2" pageNumber="785">
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<taxonomicName id="4C77F8A1FFEFC624FCAAF90F5A26D29B" ID-CoL="85FCH" authorityName="Vigneaux" authorityYear="1949" box="[872,1049,1745,1772]" class="Gymnolaemata" family="Romancheinidae" genus="Hemiphylactella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cheilostomatida" pageId="2" pageNumber="785" phylum="Bryozoa" rank="genus">
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<emphasis id="B9035F30FFEFC624FCAAF90F5A26D29B" bold="true" box="[872,1049,1745,1772]" italics="true" pageId="2" pageNumber="785">Hemiphylactella</emphasis>
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</taxonomicName>
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?
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<emphasis id="B9035F30FFEFC624FBEAF90F5AFFD29B" bold="true" box="[1064,1216,1745,1772]" italics="true" pageId="2" pageNumber="785">crassovicellata</emphasis>
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</emphasis>
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<bibRefCitation id="EFE6FED3FFEFC624FB0AF90C5B4BD29B" author="VIGNEAUX M." box="[1224,1396,1746,1772]" pageId="2" pageNumber="785" pagination="1 - 155" refId="ref9318" refString="VIGNEAUX M. 1949. - Revision des bryozoaires neogenes du Bassin d'Aquitaine et essai de classification. Memoires de la Societe geologique de France 60: 1 - 155." type="journal article" year="1949">Vigneaux, 1949</bibRefCitation>
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(
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<figureCitation id="134C9FA7FFEFC624FB8CF92C5AB2D37B" box="[1102,1165,1778,1804]" captionStart="FIG" captionStartId="3.[132,143,1184,1202]" captionTargetBox="[132,1455,215,1133]" captionTargetId="figure-393@3.[132,1455,215,1133]" captionTargetPageId="3" captionText="FIG. 2. — Hemiphylactella? crassovicellata Vigneaux,1949, figured syntype C.B.450, Serravallian, middle Miocene, Salles, Gironde,Aquitaine,France: A, general view of the colony; B,?ancestrula and early astogeny; C, close-up of an ovicellate zooid and autozooid showing the cleithridiate orifice. Scale bars: A, 500 μm; B, 200 μm; C, 100 μm." figureDoi="http://doi.org/10.5281/zenodo.4536188" httpUri="https://zenodo.org/record/4536188/files/figure.png" pageId="2" pageNumber="785">Fig. 2</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C36DD0A9FFEFC625FCEFF8EC5F29D39C" lastPageId="3" lastPageNumber="786" pageId="2" pageNumber="785" type="materials_examined">
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<paragraph id="8BC88322FFEFC624FCEFF8EC5D8AD309" blockId="2.[811,1455,1841,1918]" pageId="2" pageNumber="785">
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MATERIAL EXAMINED. — Figured
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<typeStatus id="54CC3D80FFEFC624FBA8F8EC5A8CD33D" box="[1130,1203,1842,1866]" pageId="2" pageNumber="785" type="syntype">syntype</typeStatus>
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(
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<bibRefCitation id="EFE6FED3FFEFC624FB02F8EF5B49D33E" author="VIGNEAUX M." box="[1216,1398,1841,1865]" pageId="2" pageNumber="785" pagination="1 - 155" refId="ref9318" refString="VIGNEAUX M. 1949. - Revision des bryozoaires neogenes du Bassin d'Aquitaine et essai de classification. Memoires de la Societe geologique de France 60: 1 - 155." type="journal article" year="1949">Vigneaux 1949: 85</bibRefCitation>
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, pl. 8, fig. 2), C.B.450. This specimen is here designated as the
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<typeStatus id="54CC3D80FFEFC624FA97F8925B92D313" box="[1365,1453,1868,1892]" pageId="2" pageNumber="785" type="lectotype">lectotype</typeStatus>
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of the species.
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</paragraph>
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<paragraph id="8BC88322FFEFC624FCEFF8435B7FD3C3" blockId="2.[813,1344,1948,1972]" box="[813,1344,1948,1972]" pageId="2" pageNumber="785">
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<collectionCode id="ED661BE7FFEFC624FCEFF8435D80D3C4" box="[813,959,1949,1972]" pageId="2" pageNumber="785">
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<typeStatus id="54CC3D80FFEFC624FCEFF8435D62D3C5" box="[813,861,1949,1972]" pageId="2" pageNumber="785">TYPE</typeStatus>
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LOCALITY
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</collectionCode>
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. — Salles, Gironde,
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<collectingRegion id="49B34DC0FFEFC624FB4EF8425AD1D3C3" box="[1164,1262,1948,1972]" country="France" name="Aquitaine" pageId="2" pageNumber="785">Aquitaine</collectingRegion>
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,
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<collectingCountry id="F360C3B2FFEFC624FB3AF8435B03D3C3" box="[1272,1340,1949,1972]" name="France" pageId="2" pageNumber="785">France</collectingCountry>
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.
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</paragraph>
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<paragraph id="8BC88322FFEFC625FCEFF80A5F2AD11B" blockId="2.[813,1191,2003,2028]" lastBlockId="3.[130,777,1364,2028]" lastPageId="3" lastPageNumber="786" pageId="2" pageNumber="785">AGE. — Serravallian, middle Miocene. DESCRIPTION</paragraph>
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<caption id="DF08D3AAFFEEC625FF46FB7E5F7DD0A8" ID-DOI="http://doi.org/10.5281/zenodo.4536188" ID-Zenodo-Dep="4536188" httpUri="https://zenodo.org/record/4536188/files/figure.png" pageId="3" pageNumber="786" startId="3.[132,143,1184,1202]" targetBox="[132,1455,215,1133]" targetPageId="3">
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<paragraph id="8BC88322FFEEC625FF46FB7E5F7DD0A8" blockId="3.[132,1456,1184,1247]" pageId="3" pageNumber="786">
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FIG. 2. —
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<taxonomicName id="4C77F8A1FFEEC625FF11FB7E5F68D0C5" authorityName="Vigneaux" authorityYear="1949" box="[211,343,1184,1202]" class="Gymnolaemata" family="Romancheinidae" genus="Hemiphylactella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cheilostomatida" pageId="3" pageNumber="786" phylum="Bryozoa" rank="genus">
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<emphasis id="B9035F30FFEEC625FF11FB7E5F68D0C5" box="[211,343,1184,1202]" italics="true" pageId="3" pageNumber="786">Hemiphylactella</emphasis>
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</taxonomicName>
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?
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<emphasis id="B9035F30FFEEC625FEA4FB7E5FE0D0C5" box="[358,479,1184,1202]" italics="true" pageId="3" pageNumber="786">crassovicellata</emphasis>
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<bibRefCitation id="EFE6FED3FFEEC625FE21FB7E5C5AD0C5" author="VIGNEAUX M." box="[483,613,1184,1202]" pageId="3" pageNumber="786" pagination="1 - 155" refId="ref9318" refString="VIGNEAUX M. 1949. - Revision des bryozoaires neogenes du Bassin d'Aquitaine et essai de classification. Memoires de la Societe geologique de France 60: 1 - 155." type="journal article" year="1949">Vigneaux,1949</bibRefCitation>
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, figured syntype C.B.450, Serravallian, middle Miocene, Salles, Gironde,Aquitaine,France:
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<emphasis id="B9035F30FFEEC625FA99FB7E5B57D0C5" bold="true" box="[1371,1384,1184,1202]" pageId="3" pageNumber="786">A</emphasis>
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, general view of the colony;
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<emphasis id="B9035F30FFEEC625FEE4FB695F0CD0BE" bold="true" box="[294,307,1207,1225]" pageId="3" pageNumber="786">B</emphasis>
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,?ancestrula and early astogeny;
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<emphasis id="B9035F30FFEEC625FD8EFB685C65D0BF" bold="true" box="[588,602,1206,1224]" pageId="3" pageNumber="786">C</emphasis>
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, close-up of an ovicellate zooid and autozooid showing the cleithridiate orifice. Scale bars: A, 500 μm; B, 200 μm; C, 100 μm.
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</paragraph>
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</caption>
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<paragraph id="8BC88322FFEEC625FF46FAAD5F29D39C" blockId="3.[130,777,1364,2028]" pageId="3" pageNumber="786">
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Colony encrusting, oligoserial to multiserial, fan-shaped, unilaminar (
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<figureCitation id="134C9FA7FFEEC625FEC9FA4D5F60D1DA" box="[267,351,1427,1453]" captionStart="FIG" captionStartId="3.[132,143,1184,1202]" captionTargetBox="[132,1455,215,1133]" captionTargetId="figure-393@3.[132,1455,215,1133]" captionTargetPageId="3" captionText="FIG. 2. — Hemiphylactella? crassovicellata Vigneaux,1949, figured syntype C.B.450, Serravallian, middle Miocene, Salles, Gironde,Aquitaine,France: A, general view of the colony; B,?ancestrula and early astogeny; C, close-up of an ovicellate zooid and autozooid showing the cleithridiate orifice. Scale bars: A, 500 μm; B, 200 μm; C, 100 μm." figureDoi="http://doi.org/10.5281/zenodo.4536188" httpUri="https://zenodo.org/record/4536188/files/figure.png" pageId="3" pageNumber="786">Fig. 2A</figureCitation>
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). Putative ancestrula similar to later autozooids but smaller, about
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<quantity id="4C8F2EC7FFEEC625FE77FA6D5C34D1BA" box="[437,523,1459,1486]" metricMagnitude="-1" metricUnit="m" metricValue="2.15" pageId="3" pageNumber="786" unit="mm" value="215.0">215 µm</quantity>
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long by
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<quantity id="4C8F2EC7FFEEC625FDACFA6D5CFBD1BA" box="[622,708,1459,1485]" metricMagnitude="-1" metricUnit="m" metricValue="1.9" pageId="3" pageNumber="786" unit="mm" value="190.0">190 µm</quantity>
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wide, budding four zooids arranged in a semicircle (
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<figureCitation id="134C9FA7FFEEC625FDAAFA0D5C87D19A" box="[616,696,1491,1517]" captionStart="FIG" captionStartId="3.[132,143,1184,1202]" captionTargetBox="[132,1455,215,1133]" captionTargetId="figure-393@3.[132,1455,215,1133]" captionTargetPageId="3" captionText="FIG. 2. — Hemiphylactella? crassovicellata Vigneaux,1949, figured syntype C.B.450, Serravallian, middle Miocene, Salles, Gironde,Aquitaine,France: A, general view of the colony; B,?ancestrula and early astogeny; C, close-up of an ovicellate zooid and autozooid showing the cleithridiate orifice. Scale bars: A, 500 μm; B, 200 μm; C, 100 μm." figureDoi="http://doi.org/10.5281/zenodo.4536188" httpUri="https://zenodo.org/record/4536188/files/figure.png" pageId="3" pageNumber="786">Fig. 2B</figureCitation>
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). Later zooids arranged quincuncially, distinct, boundaries marked by raised ridges, rounded polygonal, slightly longer than broad (mean L/W = 1.18). Frontal shield slightly convex, apparently finely granular, imperforate except for a sometime visible single row of marginal areolar pores, on average 10 per zooid, oval to circular,
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<quantity id="4C8F2EC7FFEEC625FE6FF94C5C25D2DA" box="[429,538,1682,1709]" metricMagnitude="-2" metricUnit="m" metricValue="1.75" metricValueMax="2.5" metricValueMin="1.0" pageId="3" pageNumber="786" unit="mm" value="17.5" valueMax="25.0" valueMin="10.0">10-25 µm</quantity>
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in diameter (
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<figureCitation id="134C9FA7FFEEC625FD6DF94C5EA5D2BB" captionStart="FIG" captionStartId="3.[132,143,1184,1202]" captionTargetBox="[132,1455,215,1133]" captionTargetId="figure-393@3.[132,1455,215,1133]" captionTargetPageId="3" captionText="FIG. 2. — Hemiphylactella? crassovicellata Vigneaux,1949, figured syntype C.B.450, Serravallian, middle Miocene, Salles, Gironde,Aquitaine,France: A, general view of the colony; B,?ancestrula and early astogeny; C, close-up of an ovicellate zooid and autozooid showing the cleithridiate orifice. Scale bars: A, 500 μm; B, 200 μm; C, 100 μm." figureDoi="http://doi.org/10.5281/zenodo.4536188" httpUri="https://zenodo.org/record/4536188/files/figure.png" pageId="3" pageNumber="786">Fig. 2B, C</figureCitation>
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). Orifice placed distally, almost equidimensional, about
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<quantity id="4C8F2EC7FFEEC625FF44F90C5EF2D29B" box="[134,205,1746,1773]" metricMagnitude="-2" metricUnit="m" metricValue="6.5" pageId="3" pageNumber="786" unit="mm" value="65.0">65 µm</quantity>
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long by
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<quantity id="4C8F2EC7FFEEC625FEE9F90C5F4DD29B" box="[299,370,1746,1772]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="3" pageNumber="786" unit="mm" value="60.0">60 µm</quantity>
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wide, key-hole shaped (cleithridiate), with the proximal rim straight and two tiny condyles placed proximally to the mid-lateral position (
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<figureCitation id="134C9FA7FFEEC625FDEFF8CC5CBED35B" box="[557,641,1810,1836]" captionStart="FIG" captionStartId="3.[132,143,1184,1202]" captionTargetBox="[132,1455,215,1133]" captionTargetId="figure-393@3.[132,1455,215,1133]" captionTargetPageId="3" captionText="FIG. 2. — Hemiphylactella? crassovicellata Vigneaux,1949, figured syntype C.B.450, Serravallian, middle Miocene, Salles, Gironde,Aquitaine,France: A, general view of the colony; B,?ancestrula and early astogeny; C, close-up of an ovicellate zooid and autozooid showing the cleithridiate orifice. Scale bars: A, 500 μm; B, 200 μm; C, 100 μm." figureDoi="http://doi.org/10.5281/zenodo.4536188" httpUri="https://zenodo.org/record/4536188/files/figure.png" pageId="3" pageNumber="786">Fig. 2C</figureCitation>
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). A smooth, tubular peristome, more developed and slightly flared proximally, surrounds the orifice (
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<figureCitation id="134C9FA7FFEEC625FE73F88F5C3DD31B" box="[433,514,1873,1900]" captionStart="FIG" captionStartId="3.[132,143,1184,1202]" captionTargetBox="[132,1455,215,1133]" captionTargetId="figure-393@3.[132,1455,215,1133]" captionTargetPageId="3" captionText="FIG. 2. — Hemiphylactella? crassovicellata Vigneaux,1949, figured syntype C.B.450, Serravallian, middle Miocene, Salles, Gironde,Aquitaine,France: A, general view of the colony; B,?ancestrula and early astogeny; C, close-up of an ovicellate zooid and autozooid showing the cleithridiate orifice. Scale bars: A, 500 μm; B, 200 μm; C, 100 μm." figureDoi="http://doi.org/10.5281/zenodo.4536188" httpUri="https://zenodo.org/record/4536188/files/figure.png" pageId="3" pageNumber="786">Fig. 2C</figureCitation>
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); oral spine bases absent. Ovicells hyperstomial. Ooecium broader than long, globular to elliptical, apparently finely granular like the frontal shield (
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<figureCitation id="134C9FA7FFEEC625FF4FF86F5EC2D3BC" box="[141,253,1969,1996]" captionStart="FIG" captionStartId="3.[132,143,1184,1202]" captionTargetBox="[132,1455,215,1133]" captionTargetId="figure-393@3.[132,1455,215,1133]" captionTargetPageId="3" captionText="FIG. 2. — Hemiphylactella? crassovicellata Vigneaux,1949, figured syntype C.B.450, Serravallian, middle Miocene, Salles, Gironde,Aquitaine,France: A, general view of the colony; B,?ancestrula and early astogeny; C, close-up of an ovicellate zooid and autozooid showing the cleithridiate orifice. Scale bars: A, 500 μm; B, 200 μm; C, 100 μm." figureDoi="http://doi.org/10.5281/zenodo.4536188" httpUri="https://zenodo.org/record/4536188/files/figure.png" pageId="3" pageNumber="786">Fig. 2B, C</figureCitation>
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). Avicularia absent. Oval pore-chamber windows not observed.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36DD0A9FFEEC625FCEFFA8A5B5AD1D9" pageId="3" pageNumber="786" type="description">
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<paragraph id="8BC88322FFEEC625FCEFFA8A5DE8D11B" blockId="3.[811,1455,1364,1454]" box="[813,983,1364,1390]" pageId="3" pageNumber="786">MEASUREMENTS</paragraph>
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<paragraph id="8BC88322FFEEC625FCEFFAAA5B5AD1D9" blockId="3.[811,1455,1364,1454]" pageId="3" pageNumber="786">ZL 364 ± 38, 308-432 (20); ZW 309 ± 38, 229-386 (20); OvL 148 ± 12, 132-183 (16); OvW 205 ± 8, 190-219 (16).</paragraph>
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</subSubSection>
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<subSubSection id="C36DD0A9FFEEC625FCEFFA0D5AB5D39C" pageId="3" pageNumber="786" type="discussion">
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<paragraph id="8BC88322FFEEC625FCEFFA0D5DB1D19C" blockId="3.[810,1457,1491,2027]" box="[813,910,1491,1517]" pageId="3" pageNumber="786">REMARKS</paragraph>
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<paragraph id="8BC88322FFEEC625FCEFFA2D5AB5D39C" blockId="3.[810,1457,1491,2027]" pageId="3" pageNumber="786">
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The figured
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<typeStatus id="54CC3D80FFEEC625FC65FA2D5DC9D27A" box="[935,1014,1523,1549]" pageId="3" pageNumber="786" type="syntype">syntype</typeStatus>
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specimen of
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<taxonomicName id="4C77F8A1FFEEC625FBBAFA2D5B26D27A" authorityName="Vigneaux" authorityYear="1949" box="[1144,1305,1523,1549]" class="Gymnolaemata" family="Romancheinidae" genus="Hemiphylactella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cheilostomatida" pageId="3" pageNumber="786" phylum="Bryozoa" rank="genus">
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<emphasis id="B9035F30FFEEC625FBBAFA2D5B26D27A" box="[1144,1305,1523,1549]" italics="true" pageId="3" pageNumber="786">Hemiphylactella</emphasis>
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</taxonomicName>
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?
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<emphasis id="B9035F30FFEEC625FAEAFA2D5B90D27A" box="[1320,1455,1523,1549]" italics="true" pageId="3" pageNumber="786">crassovicellata</emphasis>
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is a small colony encrusting a shell fragment. The specimen is poorly preserved.Severe recrystallization prevents the observation of the marginal areolar pores in the majority of the zooids, the orifice is often obliterated by cement or sediment, while porechamber windows seem genuinely absent. The epitaxial calcite cement on the surfaces of the zooids hinders clear observation of the texture of the frontal shield, which is interpreted here as finely granular.
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<taxonomicName id="4C77F8A1FFEEC625FC4FF92C5A11D37B" authorityName="Vigneaux" authorityYear="1949" box="[909,1070,1778,1804]" class="Gymnolaemata" family="Romancheinidae" genus="Hemiphylactella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cheilostomatida" pageId="3" pageNumber="786" phylum="Bryozoa" rank="genus">
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<emphasis id="B9035F30FFEEC625FC4FF92C5A11D37B" box="[909,1070,1778,1804]" italics="true" pageId="3" pageNumber="786">Hemiphylactella</emphasis>
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</taxonomicName>
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?
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<emphasis id="B9035F30FFEEC625FBF9F92C5AFCD37B" box="[1083,1219,1778,1804]" italics="true" pageId="3" pageNumber="786">crassovicellata</emphasis>
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differs from
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<taxonomicName id="4C77F8A1FFEEC625FA80F92D5B92D37B" authorityName="Vigneaux" authorityYear="1949" box="[1346,1453,1778,1804]" class="Gymnolaemata" family="Romancheinidae" genus="Hemiphylactella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cheilostomatida" pageId="3" pageNumber="786" phylum="Bryozoa" rank="species" species="pulchra">
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<emphasis id="B9035F30FFEEC625FA80F92D5B92D37B" box="[1346,1453,1778,1804]" italics="true" pageId="3" pageNumber="786">H. pulchra</emphasis>
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</taxonomicName>
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in the lack of oral spine bases and pore-chamber windows, in having a much larger ooecium, which is not cap-like, a smaller key-hole shaped orifice surrounded by a less flared peristome, and an apparently finer granulation of the frontal shield. If our interpretation of the ancestrula is correct, this would imply very early sexual maturity in the colony as ovicells are present in the first generation of budded zooids.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |