176 lines
19 KiB
XML
176 lines
19 KiB
XML
<document ID-DOI="10.37520/fi.2022.013" ID-ISSN="2533-4069" ID-Zenodo-Dep="7167911" approvalRequired="23" approvalRequired_for_taxonomicNames="3" approvalRequired_for_textStreams="19" approvalRequired_for_treatments="1" checkinTime="1665263345101" checkinUser="felipe" docAuthor="Manchester, Steven R. & Collinson, Margaret E." docDate="2022" docId="03CD878597119C3CFC496F9AFC06F8E8" docLanguage="en" docName="FossilImprint.78.1.310-328.pdf" docOrigin="Fossil Imprint 78 (1)" docSource="http://dx.doi.org/10.37520/fi.2022.013" docStyle="DocumentStyle:0EC54BF35E227CA4627F894F6BA30634.2:FossilImprint.2016-.journal_article" docStyleId="0EC54BF35E227CA4627F894F6BA30634" docStyleName="FossilImprint.2016-.journal_article" docStyleVersion="2" docTitle="Portnallia bognorensis M. CHANDLER 1961" docType="treatment" docVersion="2" lastPageNumber="321" masterDocId="FFF4FFFD971A9C37FFE96D35FFF3FFBA" masterDocTitle="Mastixioid Fruits (Cornales) From The Early Eocene London Clay Flora: Morphology, Anatomy And Nomenclatural Revision" masterLastPageNumber="328" masterPageNumber="310" pageNumber="321" updateTime="1665275189773" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-ND-3.0">
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<mods:titleInfo>
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<mods:title>Mastixioid Fruits (Cornales) From The Early Eocene London Clay Flora: Morphology, Anatomy And Nomenclatural Revision</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Manchester, Steven R.</mods:namePart>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Collinson, Margaret E.</mods:namePart>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:title>Fossil Imprint</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-08-26</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>78</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>1</mods:number>
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<mods:extent unit="page">
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<mods:start>310</mods:start>
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<mods:end>328</mods:end>
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<mods:location>
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<mods:url>http://dx.doi.org/10.37520/fi.2022.013</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.37520/fi.2022.013</mods:identifier>
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<mods:identifier type="ISSN">2533-4069</mods:identifier>
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<mods:identifier type="Zenodo-Dep">7167911</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:03CD878597119C3CFC496F9AFC06F8E8" httpUri="http://treatment.plazi.org/id/03CD878597119C3CFC496F9AFC06F8E8" lastPageNumber="321" pageId="11" pageNumber="321">
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<subSubSection box="[928,1396,687,711]" pageId="11" pageNumber="321" type="nomenclature">
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<paragraph blockId="11.[928,1396,687,711]" box="[928,1396,687,711]" pageId="11" pageNumber="321">
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<heading box="[928,1396,687,711]" centered="true" fontSize="8" level="2" pageId="11" pageNumber="321" reason="2">
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<taxonomicName authority="M. CHANDLER, 1961" authorityName="M. CHANDLER" authorityYear="1961" box="[928,1396,687,711]" class="Magnoliopsida" family="Cornaceae" genus="Portnallia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="species" species="bognorensis">
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<emphasis bold="true" box="[928,1396,687,711]" pageId="11" pageNumber="321">
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<emphasis bold="true" box="[928,1179,687,711]" italics="true" pageId="11" pageNumber="321">Portnallia bognorensis</emphasis>
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M.
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<bibRefCitation author="Chandler, M. E. J." box="[1217,1330,687,711]" pageId="11" pageNumber="321" refId="ref11446" refString="Chandler, M. E. J. (1961): The Lower Tertiary floras of southern England. 1. Palaeocene Floras. London Clay Flora (Supplement). Text and Atlas. - British Museum (Natural History), London, 354 pp., 34 pls. https: // doi. org / 10.5962 / bhl. title. 110079" type="book" year="1961">CHANDLER</bibRefCitation>
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, 1961
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</emphasis>
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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 pageId="11" pageNumber="321" type="description">
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<paragraph blockId="11.[1088,1237,720,744]" box="[1088,1237,720,744]" pageId="11" pageNumber="321">
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<figureCitation box="[1088,1237,720,744]" captionStart="Text-fig" captionStartId="13.[147,228,1561,1582]" captionTargetBox="[147,1462,151,1545]" captionTargetId="figure-100@13.[142,1469,146,1563]" captionTargetPageId="13" captionText="Text-fig. 9. Portnallia. a–j: P. bognorensis M.CHANDLER. a–g: Holotype, V. 30421. a: Oblique lateral view with dorsal surface of locule cast facing towards right side. b: Basal view (original illustration from pl. 28, fig. 40 of Chandler 1961). c–g: Micro CT data. c–f: Surface renderings. c: Lateral view with interlocular septum facing forward. d: lateral view with dorsal surface of locule facing forward. e: Basal view. f: Apical view. g: Digital transverse section near equatorial position showing (c) to u-shaped locules. h: Apical view of tetralocular fruit, V. 30423 (original illustration from pl. 28, fig. 42 of Chandler 1961). i: Transverse section of specimen in (h), reflected light. j–o: P. sheppeyensis M.CHANDLER, Holotype V. 30428, here synomomized with P. bognorensis, from micro-CT data. j–m: Surface renderings. j: Lateral view with interlocular septum facing forward. k: Lateral view with dorsal surface of locule facing forward. l: Basal view. m: Apical view. n: Digital equatorial transverse section showing the three preserved locules and extensive cracking due to pyrite decomposition. o: Translucent volume rendering, apical view showing (c) to u-shaped locules. Scale bars 2 mm, bar in (a) applies also to (b), bar in (e) applies to also to (c, d), bar in (g) applies also to (f), bar in (j) applies to applies also to (k–m)." figureDoi="http://doi.org/10.5281/zenodo.7167929" httpUri="https://zenodo.org/record/7167929/files/figure.png" pageId="11" pageNumber="321">Text-fig. 9a–o</figureCitation>
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</paragraph>
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<paragraph blockId="11.[843,1482,766,997]" pageId="11" pageNumber="321">
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1961
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<taxonomicName authority="M. CHANDLER" authorityName="M. CHANDLER" box="[918,1277,767,788]" class="Magnoliopsida" family="Cornaceae" genus="Portnallia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="species" species="bognorensis">
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<emphasis box="[918,1143,767,788]" italics="true" pageId="11" pageNumber="321">Portnallia bognorensis</emphasis>
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M.CHANDLER
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</taxonomicName>
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, p. 285, pl. 28, figs 39–44 (V. 30422 b).
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</paragraph>
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<paragraph blockId="11.[843,1482,766,997]" pageId="11" pageNumber="321">
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1961
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<taxonomicName authority="M. CHANDLER" authorityName="M. CHANDLER" box="[918,1283,826,848]" class="Magnoliopsida" family="Cornaceae" genus="Portnallia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="species" species="sheppeyensis">
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<emphasis box="[918,1151,826,847]" italics="true" pageId="11" pageNumber="321">Portnallia sheppeyensis</emphasis>
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M.CHANDLER
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</taxonomicName>
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, p. 286, pl. 28, figs 45, 46, pl. 29, figs 1–3.
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</paragraph>
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<paragraph blockId="11.[843,1482,766,997]" pageId="11" pageNumber="321">
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1986
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<taxonomicName authority="(M. CHANDLER) ERW. KNOBLOCH et MAI" authorityName="ERW. KNOBLOCH et MAI" baseAuthorityName="M. CHANDLER" class="Magnoliopsida" family="Nyssaceae" genus="Beckettia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="species" species="bognorensis">
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<emphasis box="[918,1138,886,907]" italics="true" pageId="11" pageNumber="321">Beckettia bognorensis</emphasis>
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(M.CHANDLER) ERW.KNOBLOCH et MAI
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</taxonomicName>
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, p. 107.
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</paragraph>
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<paragraph blockId="11.[843,1482,766,997]" pageId="11" pageNumber="321">
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1986
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<taxonomicName authority="(M. CHANDLER) ERW. KNOBLOCH et MAI" authorityName="ERW. KNOBLOCH et MAI" baseAuthorityName="M. CHANDLER" class="Magnoliopsida" family="Nyssaceae" genus="Beckettia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="species" species="sheppeyensis">
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<emphasis box="[918,1144,946,967]" italics="true" pageId="11" pageNumber="321">Beckettia sheppeyensis</emphasis>
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(M.CHANDLER) ERW.KNOBLOCH et MAI
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</taxonomicName>
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, p. 107.
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</paragraph>
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<paragraph blockId="11.[843,1482,1022,1078]" box="[881,1482,1022,1046]" pageId="11" pageNumber="321">H o l o t y p e. V.30421 (Natural History Museum,</paragraph>
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<paragraph blockId="11.[843,1482,1022,1078]" box="[843,942,1054,1078]" pageId="11" pageNumber="321">London).</paragraph>
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<paragraph blockId="11.[843,1482,1102,1874]" pageId="11" pageNumber="321">
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R e m a r k s. The genus
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<taxonomicName box="[1154,1264,1102,1126]" class="Magnoliopsida" family="Cornaceae" genus="Portnallia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="genus">
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<emphasis box="[1154,1264,1102,1126]" italics="true" pageId="11" pageNumber="321">Portnallia</emphasis>
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</taxonomicName>
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was established by
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<bibRefCitation author="Chandler, M. E. J." box="[843,1017,1134,1158]" pageId="11" pageNumber="321" refId="ref11446" refString="Chandler, M. E. J. (1961): The Lower Tertiary floras of southern England. 1. Palaeocene Floras. London Clay Flora (Supplement). Text and Atlas. - British Museum (Natural History), London, 354 pp., 34 pls. https: // doi. org / 10.5962 / bhl. title. 110079" type="book" year="1961">Chandler (1961)</bibRefCitation>
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for subglobular to ovoid 2- to 3- to 4-locular endocarps distinguished by their smaller size (
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<quantity box="[1333,1419,1167,1191]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" metricValueMax="6.0" metricValueMin="4.0" pageId="11" pageNumber="321" unit="mm" value="5.0" valueMax="6.0" valueMin="4.0">4–6 mm</quantity>
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long) relative to
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<taxonomicName authorityName="Manchester & Collinson" authorityYear="2022" box="[970,1094,1199,1223]" class="Magnoliopsida" family="Mastixiaceae" genus="Exbeckettia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="genus">
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<emphasis box="[970,1094,1199,1223]" italics="true" pageId="11" pageNumber="321">Exbeckettia</emphasis>
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</taxonomicName>
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(
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<quantity box="[1116,1228,1199,1223]" metricMagnitude="-2" metricUnit="m" metricValue="1.4" metricValueMax="1.5" metricValueMin="1.3" pageId="11" pageNumber="321" unit="mm" value="14.0" valueMax="15.0" valueMin="13.0">13–15 mm</quantity>
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long) and
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<taxonomicName box="[1363,1482,1199,1223]" class="Magnoliopsida" family="Cornaceae" genus="Lanfrancia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="genus">
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<emphasis box="[1363,1482,1199,1223]" italics="true" pageId="11" pageNumber="321">Lanfrancia</emphasis>
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</taxonomicName>
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(
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<quantity box="[851,923,1232,1256]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="11" pageNumber="321" unit="mm" value="12.0">12 mm</quantity>
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long). Chandler recognized two species, differing from each other in size (
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<quantity box="[1115,1220,1264,1288]" metricMagnitude="-3" metricUnit="m" metricValue="4.75" metricValueMax="6.0" metricValueMin="3.5" pageId="11" pageNumber="321" unit="mm" value="4.75" valueMax="6.0" valueMin="3.5">3.5–6 mm</quantity>
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long in
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<taxonomicName box="[1317,1475,1264,1288]" class="Magnoliopsida" family="Nyssaceae" genus="Beckettia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="species" species="bognorensis">
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<emphasis box="[1317,1475,1264,1288]" italics="true" pageId="11" pageNumber="321">P. bognorensis</emphasis>
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</taxonomicName>
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, vs.
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<quantity box="[884,989,1297,1321]" metricMagnitude="-3" metricUnit="m" metricValue="6.75" metricValueMax="7.5" metricValueMin="6.0" pageId="11" pageNumber="321" unit="mm" value="6.75" valueMax="7.5" valueMin="6.0">6–7.5 mm</quantity>
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in
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<taxonomicName box="[1032,1201,1297,1321]" class="Magnoliopsida" family="Nyssaceae" genus="Beckettia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="species" species="sheppeyensis">
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<emphasis box="[1032,1201,1297,1321]" italics="true" pageId="11" pageNumber="321">P. sheppeyensis</emphasis>
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</taxonomicName>
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), but she added “Should more abundant material become available in the future, the validity of
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<taxonomicName box="[966,1225,1362,1386]" class="Magnoliopsida" family="Cornaceae" genus="Portnallia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="species" species="sheppeyensis">
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<emphasis box="[966,1225,1362,1386]" italics="true" pageId="11" pageNumber="321">Portnallia sheppeyensis</emphasis>
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</taxonomicName>
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as a species should be reviewed…” (
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<bibRefCitation author="Chandler, M. E. J." box="[995,1218,1394,1419]" pageId="11" pageNumber="321" refId="ref11446" refString="Chandler, M. E. J. (1961): The Lower Tertiary floras of southern England. 1. Palaeocene Floras. London Clay Flora (Supplement). Text and Atlas. - British Museum (Natural History), London, 354 pp., 34 pls. https: // doi. org / 10.5962 / bhl. title. 110079" type="book" year="1961">Chandler 1961: 287</bibRefCitation>
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). Transverse sections of the two species show striking similarities in form of the locule and the narrow fibrous intervening septae (
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<figureCitation captionStart="Text-fig" captionStartId="13.[147,228,1561,1582]" captionTargetBox="[147,1462,151,1545]" captionTargetId="figure-100@13.[142,1469,146,1563]" captionTargetPageId="13" captionText="Text-fig. 9. Portnallia. a–j: P. bognorensis M.CHANDLER. a–g: Holotype, V. 30421. a: Oblique lateral view with dorsal surface of locule cast facing towards right side. b: Basal view (original illustration from pl. 28, fig. 40 of Chandler 1961). c–g: Micro CT data. c–f: Surface renderings. c: Lateral view with interlocular septum facing forward. d: lateral view with dorsal surface of locule facing forward. e: Basal view. f: Apical view. g: Digital transverse section near equatorial position showing (c) to u-shaped locules. h: Apical view of tetralocular fruit, V. 30423 (original illustration from pl. 28, fig. 42 of Chandler 1961). i: Transverse section of specimen in (h), reflected light. j–o: P. sheppeyensis M.CHANDLER, Holotype V. 30428, here synomomized with P. bognorensis, from micro-CT data. j–m: Surface renderings. j: Lateral view with interlocular septum facing forward. k: Lateral view with dorsal surface of locule facing forward. l: Basal view. m: Apical view. n: Digital equatorial transverse section showing the three preserved locules and extensive cracking due to pyrite decomposition. o: Translucent volume rendering, apical view showing (c) to u-shaped locules. Scale bars 2 mm, bar in (a) applies also to (b), bar in (e) applies to also to (c, d), bar in (g) applies also to (f), bar in (j) applies to applies also to (k–m)." figureDoi="http://doi.org/10.5281/zenodo.7167929" httpUri="https://zenodo.org/record/7167929/files/figure.png" pageId="11" pageNumber="321">Text-fig. 9b, e, g, i, m–o</figureCitation>
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).
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<bibRefCitation author="Knobloch, E. & Mai, D. H." box="[1048,1339,1492,1516]" pageId="11" pageNumber="321" pagination="5 - 219" refId="ref12883" refString="Knobloch, E., Mai, D. H. (1986): Monographie der Fruchte und Samen in der Kreide von Mitteleuropa. - Rozpravy Ustredniho ustavu geologickeho, 47: 5 - 219." type="journal article" year="1986">Knobloch and Mai (1986)</bibRefCitation>
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treated both species of this genus as conspecific and transferred them to
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<taxonomicName box="[880,979,1557,1581]" class="Magnoliopsida" family="Nyssaceae" genus="Beckettia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="genus">
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<emphasis box="[880,979,1557,1581]" italics="true" pageId="11" pageNumber="321">Beckettia</emphasis>
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</taxonomicName>
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. However, as mentioned above, the name
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<taxonomicName box="[843,942,1590,1614]" class="Magnoliopsida" family="Nyssaceae" genus="Beckettia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="genus">
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<emphasis box="[843,942,1590,1614]" italics="true" pageId="11" pageNumber="321">Beckettia</emphasis>
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</taxonomicName>
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was earlier established for a genus of moss, so the name with priority in the case of a merger of these genera would be
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<taxonomicName box="[945,1055,1655,1679]" class="Magnoliopsida" family="Cornaceae" genus="Portnallia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="genus">
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<emphasis box="[945,1055,1655,1679]" italics="true" pageId="11" pageNumber="321">Portnallia</emphasis>
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</taxonomicName>
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. However, we do not support the merger of these genera, because the fruit stones of
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<taxonomicName authorityName="Manchester & Collinson" authorityYear="2022" box="[1316,1440,1687,1711]" class="Magnoliopsida" family="Mastixiaceae" genus="Exbeckettia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="genus">
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<emphasis box="[1316,1440,1687,1711]" italics="true" pageId="11" pageNumber="321">Exbeckettia</emphasis>
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</taxonomicName>
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are characterized by large areas of isodiametric cells between adjacent locules, whereas those of
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<taxonomicName box="[1217,1327,1752,1776]" class="Magnoliopsida" family="Cornaceae" genus="Portnallia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="genus">
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<emphasis box="[1217,1327,1752,1776]" italics="true" pageId="11" pageNumber="321">Portnallia</emphasis>
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</taxonomicName>
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are composed mainly of fibres. We retain
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<taxonomicName box="[1155,1265,1785,1809]" class="Magnoliopsida" family="Cornaceae" genus="Portnallia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="genus">
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<emphasis box="[1155,1265,1785,1809]" italics="true" pageId="11" pageNumber="321">Portnallia</emphasis>
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</taxonomicName>
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as a distinct entity from
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<taxonomicName box="[906,1025,1818,1842]" class="Magnoliopsida" family="Cornaceae" genus="Lanfrancia" higherTaxonomySource="GBIF" kingdom="Plantae" order="Cornales" pageId="11" pageNumber="321" phylum="Tracheophyta" rank="genus">
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<emphasis box="[906,1025,1818,1842]" italics="true" pageId="11" pageNumber="321">Lanfrancia</emphasis>
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</taxonomicName>
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because of its much smaller size (about half the length).
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</paragraph>
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</subSubSection>
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||
</treatment>
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||
</document> |