151 lines
16 KiB
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151 lines
16 KiB
XML
<document id="F5FB180132CE7DE9C1994987185A1763" ID-CLB-Dataset="80625" ID-DOI="10.5252/geodiversitas2022v44a20" ID-GBIF-Dataset="f8f165f8-1b6b-4639-b139-c47e48485949" ID-ISSN="1638-9395" ID-Zenodo-Dep="6725916" ID-ZooBank="urn:lsid:zoobank.org:pub:5EC74771-0B7B-494D-ADC8-79BECD097A3A" IM.bibliography_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1655987938408" checkinUser="admin" docAuthor="Ernst, Andrej & Carrera, Marcelo G." docDate="2022" docId="865C87FDFFBBFFF93B6EF9074BCBFC20" docLanguage="en" docName="Geodiversitas.44.20.563-601.pdf.imf" docOrigin="Geodiversitas 44 (20)" docStyle="DocumentStyle:F830B10FF475E64C1F1601E3B32DDC00.4:Geodiversitas.2018-.journal_article" docStyleId="F830B10FF475E64C1F1601E3B32DDC00" docStyleName="Geodiversitas.2018-.journal_article" docStyleVersion="4" docTitle="Arthroclema undefined-a" docType="treatment" docVersion="6" lastPageNumber="586" masterDocId="7A65FF85FFA2FFE03A09FFD54E55FFEF" masterDocTitle="A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera" masterLastPageNumber="601" masterPageNumber="563" pageNumber="586" updateTime="1699352269322" updateUser="ExternalLinkService">
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<mods:mods id="7E8D79E4E6AF3492A3EE6AF531F24DD2" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="AAB16380D595A6C2838DE349FA5E17A3">
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<mods:title id="AC3B80E7FE5BBFB9A1AF18FCA6B53B8C">A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera</mods:title>
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<mods:name id="E0534228630C78836B715CDA1D817FE5" type="personal">
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<mods:namePart id="56516FAFF4B60335E71EF7179F07CCDB">Ernst, Andrej</mods:namePart>
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<mods:namePart id="756DCE6B6264F3D82656E8656012FE53">Carrera, Marcelo G.</mods:namePart>
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<mods:typeOfResource id="5C108195C76699877FB43929BD9D0534">text</mods:typeOfResource>
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<mods:title id="7F8BB82FC2312C70BCFD92A448735458">Geodiversitas</mods:title>
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</mods:titleInfo>
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<mods:part id="0183BA1E636477836C8D6AC01B75A984">
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<mods:date id="83517982DBB3F63D0FA3C58E929FF34A">2022</mods:date>
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<mods:number id="A21D4007CF2A3CF23982210FF040889C">2022-06-16</mods:number>
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<mods:number id="B345730E8C042DB11125A341DD765531">44</mods:number>
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<mods:identifier id="B1CBEBBE1ECD0666BB51D724962196C6" type="DOI">10.5252/geodiversitas2022v44a20</mods:identifier>
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<treatment id="865C87FDFFBBFFF93B6EF9074BCBFC20" ID-DOI="http://doi.org/10.5281/zenodo.6723144" ID-GBIF-Taxon="196202566" ID-Zenodo-Dep="6723144" LSID="urn:lsid:plazi:treatment:865C87FDFFBBFFF93B6EF9074BCBFC20" httpUri="http://treatment.plazi.org/id/865C87FDFFBBFFF93B6EF9074BCBFC20" lastPageNumber="586" pageId="25" pageNumber="586">
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<subSubSection id="46EF6560FFBBFFF93B6EF9074C76F903" box="[359,547,1746,1772]" pageId="25" pageNumber="586" type="nomenclature">
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<paragraph id="0E4A36EBFFBBFFF93B6EF9074C76F903" blockId="25.[359,547,1746,1772]" box="[359,547,1746,1772]" pageId="25" pageNumber="586">
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<heading id="55028187FFBBFFF93B6EF9074C76F903" box="[359,547,1746,1772]" centered="true" fontSize="11" level="2" pageId="25" pageNumber="586" reason="2">
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<taxonomicName id="C9F54D68FFBBFFF93B6EF9074C76F903" box="[359,547,1746,1772]" class="Stenolaemata" family="Arthrostylidae" genus="Arthroclema" kingdom="Animalia" order="Cryptostomida" pageId="25" pageNumber="586" phylum="Bryozoa" rank="species" species="undefined-a">
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<emphasis id="3C81EAF9FFBBFFF93B6EF9074FB3F903" box="[359,486,1746,1772]" italics="true" pageId="25" pageNumber="586">Arthroclema</emphasis>
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sp. A
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="46EF6560FFBBFFF93B33F9274C04F8E3" box="[314,593,1778,1804]" pageId="25" pageNumber="586" type="description">
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<paragraph id="0E4A36EBFFBBFFF93B33F9274C04F8E3" blockId="25.[314,593,1778,1804]" box="[314,593,1778,1804]" pageId="25" pageNumber="586">
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(
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<figureCitation id="96CE2A6EFFBBFFF93B4AF9274FDAF8E3" box="[323,399,1778,1804]" captionStart="FIG" captionStartId="26.[132,143,1963,1980]" captionTargetBox="[132,1455,215,1877]" captionTargetId="figure-25@26.[698,1267,768,1324]" captionTargetPageId="26" captionText="FIG. 14. — A-C, Arthroclema sp.A:A, branch oblique thin section,CEGH-UNC 27530 e;B, C, tangential thin section showing autozooecial apertures and paurostyles, CEGH-UNC 27529 b; D-H, Trigonodictya elegans (Ulrich, 1893): D, E, tangential thin section showing autozooecial apertures, CEGH-UNC 27530 c; F-H, branch transverse thin section showing autozooecial chambers and mesotheca with rods,CEGH-UNC 27542 b.Scale bars: A, B, E, G, 0.5 mm; C, H, 0.2 mm;D, F, 1 mm." figureDoi="http://doi.org/10.5281/zenodo.6725970" httpUri="https://zenodo.org/record/6725970/files/figure.png" pageId="25" pageNumber="586">Fig. 14</figureCitation>
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A-C; Appendix 1)
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</paragraph>
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</subSubSection>
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<subSubSection id="46EF6560FFBBFFF93A8DF8E64D5DF890" pageId="25" pageNumber="586" type="materials_examined">
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<paragraph id="0E4A36EBFFBBFFF93A8DF8E64D5DF890" blockId="25.[132,776,1842,1919]" pageId="25" pageNumber="586">
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<materialsCitation id="BE9D3CB6FFBBFFF93A8DF8E64D5DF890" ID-GBIF-Occurrence="3818790320" pageId="25" pageNumber="586">
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MATERIAL EXAMINED. —
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<collectionCode id="68E4AE2EFFBBFFF93B81F8E74C47F8A5" box="[392,530,1842,1866]" pageId="25" pageNumber="586">CEGH-UNC</collectionCode>
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27525 a,
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<collectionCode id="68E4AE2EFFBBFFF93877F8E74D5DF8A5" box="[638,776,1842,1866]" pageId="25" pageNumber="586">CEGH-UNC</collectionCode>
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27528 b,
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<collectionCode id="68E4AE2EFFBBFFF93AD7F8984F30F88A" box="[222,357,1869,1893]" pageId="25" pageNumber="586">CEGH-UNC</collectionCode>
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27529 b,
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<collectionCode id="68E4AE2EFFBBFFF93BCBF8984C1CF88A" box="[450,585,1869,1893]" pageId="25" pageNumber="586">CEGH-UNC</collectionCode>
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27530 e, f,CEGH-UNC 27533 c,
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<collectionCode id="68E4AE2EFFBBFFF93B11F8B24FF5F890" box="[280,416,1895,1919]" pageId="25" pageNumber="586">CEGH-UNC</collectionCode>
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27538 c,
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<collectionCode id="68E4AE2EFFBBFFF93BF7F8B24CD3F890" box="[510,646,1895,1919]" pageId="25" pageNumber="586">CEGH-UNC</collectionCode>
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27539 a, e, f.
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="46EF6560FFBBFFF93A8DF84A4C78F804" pageId="25" pageNumber="586" type="distribution">
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<paragraph id="0E4A36EBFFBBFFF93A8DF84A4C78F804" blockId="25.[131,775,1950,2027]" pageId="25" pageNumber="586">
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OCCURRENCE. — La Pola Formation, Upper Ordovician, Sandbian; La Pola creek section near Albardon village,
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<collectingRegion id="CC31F809FFBBFFF9384EF86C4D57F83E" box="[583,770,1977,2001]" country="Argentina" name="San Juan" pageId="25" pageNumber="586">San Juan Province</collectingRegion>
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,
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<collectingCountry id="76E2767BFFBBFFF93A8FF8064EB3F804" box="[134,230,2003,2027]" name="Argentina" pageId="25" pageNumber="586">Argentine</collectingCountry>
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Precordillera, western
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<collectingCountry id="76E2767BFFBBFFF93BCCF8064C7CF804" box="[453,553,2003,2027]" name="Argentina" pageId="25" pageNumber="586">Argentina</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="46EF6560FFBBFFF93924FF0D4DE8FCE0" pageId="25" pageNumber="586" type="description">
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<paragraph id="0E4A36EBFFBBFFF93924FF0D4DE8FF1D" blockId="25.[811,1457,216,720]" box="[813,957,216,242]" pageId="25" pageNumber="586">DESCRIPTION</paragraph>
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<paragraph id="0E4A36EBFFBBFFF93924FF2D4B1CFD3F" blockId="25.[811,1457,216,720]" pageId="25" pageNumber="586">
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Ramose colonies with well defined median axis, articulated and consisting of cylindrical segments. Segments apparently flexibly connected,
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<quantity id="C90D9B0EFFBBFFF93E0AFEE24AF1FEBE" box="[1027,1188,311,337]" metricMagnitude="-4" metricUnit="m" metricValue="7.5" metricValueMax="10.3" metricValueMin="4.699999999999999" pageId="25" pageNumber="586" unit="mm" value="0.75" valueMax="1.03" valueMin="0.47">0.47-1.03 mm</quantity>
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in diameter, with
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<quantity id="C90D9B0EFFBBFFF93F7CFEE24DDAFE9E" metricMagnitude="-4" metricUnit="m" metricValue="1.7999999999999998" metricValueMax="2.6" metricValueMin="1.0" pageId="25" pageNumber="586" unit="mm" value="0.18" valueMax="0.26" valueMin="0.1">0.10- 0.26 mm</quantity>
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wide exozones and
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<quantity id="C90D9B0EFFBBFFF93E57FE824AAEFE9E" box="[1118,1275,343,370]" metricMagnitude="-4" metricUnit="m" metricValue="4.05" metricValueMax="5.4" metricValueMin="2.7" pageId="25" pageNumber="586" unit="mm" value="0.405" valueMax="0.54" valueMin="0.27">0.27-0.54 mm</quantity>
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wide endozones. Autozooecia moderate in size, budding from the median axis at angles of 45-56°, bending gently to branch surface, triangular in cross-section in endozone, becoming oval in exozone. Diaphragms in autozooecia few to absent. Autozooecial apertures narrow, oval, arranged regularly in alternating rows on branch surface. Walls in endozone hyaline,
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<quantity id="C90D9B0EFFBBFFF93EC8FDC34B30FDDE" box="[1217,1381,534,561]" metricMagnitude="-5" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="25" pageNumber="586" unit="mm" value="0.015" valueMax="0.02" valueMin="0.01">0.01-0.02 mm</quantity>
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thick, continuing in exozone into the peristomes. Fine longitudinal striation between apertures present. Extrazooecial skeleton finely laminated, having well defined zooecial boundaries. Paurostyles abundant, irregularly arranged between autozooecial apertures, arising in the outermost exozone.
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</paragraph>
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<paragraph id="0E4A36EBFFBBFFF93924FD204DE8FCE0" blockId="25.[811,1456,757,975]" box="[813,957,757,783]" pageId="25" pageNumber="586">COMPARISON</paragraph>
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</subSubSection>
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<subSubSection id="46EF6560FFBBFFF93924FCC04BCBFC20" pageId="25" pageNumber="586" type="discussion">
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<paragraph id="0E4A36EBFFBBFFF93924FCC04BCBFC20" blockId="25.[811,1456,757,975]" pageId="25" pageNumber="586">
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<taxonomicName id="C9F54D68FFBBFFF93924FCC04DBEFCC0" box="[813,1003,789,816]" class="Stenolaemata" family="Arthrostylidae" genus="Arthroclema" kingdom="Animalia" order="Cryptostomida" pageId="25" pageNumber="586" phylum="Bryozoa" rank="species" species="undefined-a">
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<emphasis id="3C81EAF9FFBBFFF93924FCC04DF9FCC0" box="[813,940,789,815]" italics="true" pageId="25" pageNumber="586">Arthroclema</emphasis>
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sp. A
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</taxonomicName>
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is similar to
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<taxonomicName id="C9F54D68FFBBFFF93E74FCC04D33FCA0" authority="Ulrich, 1890" authorityName="Ulrich" authorityYear="1890" class="Stenolaemata" family="Arthrostylidae" genus="Arthroclema" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Cryptostomida" pageId="25" pageNumber="586" phylum="Bryozoa" rank="species" species="striatum">
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<emphasis id="3C81EAF9FFBBFFF93E74FCC04B0EFCC0" box="[1149,1371,789,815]" italics="true" pageId="25" pageNumber="586">Arthroclema striatum</emphasis>
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<bibRefCitation id="6A644B1AFFBBFFF93F6BFCC04D33FCA0" author="ULRICH E. O." pageId="25" pageNumber="586" pagination="283 - 688" refId="ref23211" refString="ULRICH E. O. 1890. - Palaeozoic Bryozoa: III. Report of the Geological Survey of Illinois 8: 283 - 688." type="journal article" year="1890">Ulrich, 1890</bibRefCitation>
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</taxonomicName>
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from the Middle Ordovician of
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<collectingCountry id="76E2767BFFBBFFF93EC3FCE04B0AFCA0" box="[1226,1375,821,847]" name="United States of America" pageId="25" pageNumber="586">United States</collectingCountry>
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, and to
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<taxonomicName id="C9F54D68FFBBFFF93924FC804A1CFC9F" authority="Billings, 1865" authorityName="Billings" authorityYear="1865" box="[813,1097,853,880]" class="Stenolaemata" family="Arthrostylidae" genus="Arthroclema" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Cryptostomida" pageId="25" pageNumber="586" phylum="Bryozoa" rank="species" species="pulchellum">
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<emphasis id="3C81EAF9FFBBFFF93924FC804DE2FC80" box="[813,951,853,879]" italics="true" pageId="25" pageNumber="586">A. pulchellum</emphasis>
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<bibRefCitation id="6A644B1AFFBBFFF939B3FC804A1CFC9F" author="BILLINGS E." box="[954,1097,853,880]" pageId="25" pageNumber="586" refId="ref19232" refString="BILLINGS E. 1865. - Paleozoic Fossils. Vol. 1. Containing Descriptions and Figures of New or Little Known Species of Organic Remains from the Silurian Rocks, 1861 - 1865. Geological Survey of Canada, Ottawa, 426 p." type="book" year="1865">Billings, 1865</bibRefCitation>
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</taxonomicName>
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the Middle Ordovician of
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<collectingCountry id="76E2767BFFBBFFF93F51FC804BF9FC80" box="[1368,1452,853,879]" name="Canada" pageId="25" pageNumber="586">Canada</collectingCountry>
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. It differs from the latter in larger autozooecial apertures (
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<quantity id="C90D9B0EFFBBFFF93F7AFCA04DC5FC40" metricMagnitude="-5" metricUnit="m" metricValue="8.5" metricValueMax="10.0" metricValueMin="7" pageId="25" pageNumber="586" unit="mm" value="0.085" valueMax="0.1" valueMin="0.07">0.07- 0.10 mm</quantity>
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vs
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<quantity id="C90D9B0EFFBBFFF939BBFC404A05FC40" box="[946,1104,917,943]" metricMagnitude="-5" metricUnit="m" metricValue="6.5" metricValueMax="7" metricValueMin="6.0" pageId="25" pageNumber="586" unit="mm" value="0.065" valueMax="0.07" valueMin="0.06">0.06-0.07 mm</quantity>
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in
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<taxonomicName id="C9F54D68FFBBFFF93E7BFC404B56FC40" authorityName="Billings" authorityYear="1865" box="[1138,1283,917,943]" class="Stenolaemata" family="Arthrostylidae" genus="Arthroclema" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Cryptostomida" pageId="25" pageNumber="586" phylum="Bryozoa" rank="species" species="pulchellum">
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<emphasis id="3C81EAF9FFBBFFF93E7BFC404B56FC40" box="[1138,1283,917,943]" italics="true" pageId="25" pageNumber="586">A. pulchellum</emphasis>
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</taxonomicName>
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; aperture width for
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<taxonomicName id="C9F54D68FFBBFFF9395AFC604DB6FC20" authorityName="Billings" authorityYear="1865" box="[851,995,949,975]" class="Stenolaemata" family="Arthrostylidae" genus="Arthroclema" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Cryptostomida" pageId="25" pageNumber="586" phylum="Bryozoa" rank="species" species="pulchellum">
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<emphasis id="3C81EAF9FFBBFFF9395AFC604DB6FC20" box="[851,995,949,975]" italics="true" pageId="25" pageNumber="586">A. pulchellum</emphasis>
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</taxonomicName>
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measured from
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<bibRefCitation id="6A644B1AFFBBFFF93E9AFC604B43FC20" author="BLAKE D. B." box="[1171,1302,949,975]" pageId="25" pageNumber="586" pagination="592" refId="ref19277" refString="BLAKE D. B. 1983. - Introduction to the Suborder Rhabdomesina. Systematic descriptions for the Suborder Rhabdomesina, in ROBI- SON R. A. (ed.), Treatise on Invertebrate Paleontology. Pt. G (1). Bryozoa (revised). Geological Society of America and University of Kansas Press, Lawrence: G 530 - G 592." type="book chapter" year="1983">Blake [1983</bibRefCitation>
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: fig.
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<quantity id="C90D9B0EFFBBFFF93F47FC614BDFFC20" box="[1358,1418,948,975]" metricMagnitude="-1" metricUnit="kg" metricValue="2.7199999999999998" pageId="25" pageNumber="586" unit="g" value="272.0">272g</quantity>
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]).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |