122 lines
9.7 KiB
XML
122 lines
9.7 KiB
XML
<document ID-DOI="10.37520/fi.2022.016" ID-ISSN="2533-4069" ID-Zenodo-Dep="7522801" approvalRequired="15" approvalRequired_for_taxonomicNames="15" checkinTime="1673382488781" checkinUser="felipe" docAuthor="Friis, Else Marie, Crane, Peter R., Pedersen, Kaj Raunsgaard, Mendes, Mário Miguel & Kvaček, Jiří" docDate="2022" docId="03FD87F2FFDBFFC8FF74FB50C741FF56" docLanguage="en" docName="FossilImprint.78.2.341-424.pdf" docOrigin="Fossil Imprint 78 (2)" docSource="http://dx.doi.org/10.37520/fi.2022.016" docStyle="DocumentStyle:0EC54BF35E227CA4627F894F6BA30634.3:FossilImprint.2016-.journal_article" docStyleId="0EC54BF35E227CA4627F894F6BA30634" docStyleName="FossilImprint.2016-.journal_article" docStyleVersion="3" docTitle="Valvidistemon E. M. FRIIS, P. R. CRANE, K. R. PEDERSEN, M. M. MENDES et J. KVACEK 2022, gen. nov." docType="treatment" docVersion="3" lastPageNumber="379" masterDocId="FFC4FF8AFFFDFFEEFFBFFFFFC378FFA6" masterDocTitle="The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms" masterLastPageNumber="424" masterPageNumber="341" pageNumber="379" updateTime="1673637970809" updateUser="juliana" zenodo-license-document="CC-BY-NC-ND-3.0">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms</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:role>
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<mods:namePart>Friis, Else Marie</mods:namePart>
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</mods:name>
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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:role>
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<mods:namePart>Crane, Peter R.</mods:namePart>
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</mods:name>
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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:role>
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<mods:namePart>Pedersen, Kaj Raunsgaard</mods:namePart>
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</mods:name>
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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:role>
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<mods:namePart>Mendes, Mário Miguel</mods:namePart>
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</mods:name>
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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:role>
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<mods:namePart>Kvaček, Jiří</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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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>2022-12-20</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>2</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>341</mods:start>
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<mods:end>424</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.37520/fi.2022.016</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.2022.016</mods:identifier>
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<mods:identifier type="ISSN">2533-4069</mods:identifier>
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<mods:identifier type="Zenodo-Dep">7522801</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:03FD87F2FFDBFFC8FF74FB50C741FF56" httpUri="http://treatment.plazi.org/id/03FD87F2FFDBFFC8FF74FB50C741FF56" lastPageNumber="379" pageId="38" pageNumber="379">
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<subSubSection pageId="38" pageNumber="379" type="nomenclature">
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<paragraph blockId="38.[164,733,1199,1255]" pageId="38" pageNumber="379">
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<heading centered="true" fontSize="8" level="2" pageId="38" pageNumber="379" reason="2">
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<emphasis bold="true" box="[203,276,1199,1223]" pageId="38" pageNumber="379">Genus</emphasis>
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<emphasis bold="true" pageId="38" pageNumber="379">
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<taxonomicName authority="E.M.FRIIS, P.R.CRANE, K.R.PEDERSEN, M.M.MENDES et J.KVACEK" authorityName="E. M. FRIIS, P. R. CRANE, K. R. PEDERSEN, M. M. MENDES et J. KVACEK" authorityYear="2022" class="Magnoliopsida" family="Annonaceae" genus="Valvidistemon" kingdom="Plantae" order="Magnoliales" pageId="38" pageNumber="379" phylum="Tracheophyta" rank="genus" status="gen. nov.">
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<emphasis bold="true" box="[282,436,1199,1223]" italics="true" pageId="38" pageNumber="379">Valvidistemon</emphasis>
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E.M.FRIIS, P.R.CRANE, K.R.PEDERSEN, M.M.MENDES et J.KVAČEK
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</taxonomicName>
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<taxonomicNameLabel box="[632,733,1231,1255]" pageId="38" pageNumber="379" rank="genus">gen. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="38" pageNumber="379" type="type_taxon">
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<paragraph blockId="38.[128,768,1278,1335]" pageId="38" pageNumber="379">
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T y p e.
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<taxonomicName authority="E.M.FRIIS, P.R.CRANE, K.R.PEDERSEN, M.M.MENDES et J.KVACEK" authorityName="E. M. FRIIS, P. R. CRANE, K. R. PEDERSEN, M. M. MENDES et J. KVACEK" authorityYear="2022" class="Magnoliopsida" family="Annonaceae" genus="Valvidistemon" kingdom="Plantae" order="Magnoliales" pageId="38" pageNumber="379" phylum="Tracheophyta" rank="species" species="globiferus" status="gen. et sp. nov.">
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<emphasis box="[256,522,1278,1302]" italics="true" pageId="38" pageNumber="379">Valvidistemon globiferus</emphasis>
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E.M.FRIIS, P.R.CRANE, K.R.PEDERSEN, M.M.MENDES et J.KVAČEK
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</taxonomicName>
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<taxonomicNameLabel box="[573,734,1311,1335]" pageId="38" pageNumber="379" rank="species">gen. et sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="38" pageNumber="379" type="reference_group">
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<paragraph blockId="38.[129,768,1357,1414]" box="[166,768,1357,1382]" pageId="38" pageNumber="379">P l a n t F o s s i l N a m e s R e g i s t r y N u m b e r.</paragraph>
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<paragraph blockId="38.[129,768,1357,1414]" box="[129,454,1389,1414]" pageId="38" pageNumber="379">PFN0002794 (for new genus).</paragraph>
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</subSubSection>
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<subSubSection pageId="38" pageNumber="379" type="etymology">
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<paragraph blockId="38.[129,768,1437,1493]" pageId="38" pageNumber="379">E t y m o l o g y. From Greek valvida for valve and stemon for stamen.</paragraph>
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</subSubSection>
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<subSubSection pageId="38" pageNumber="379" type="diagnosis">
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<paragraph blockId="38.[129,768,1516,1732]" pageId="38" pageNumber="379">G e n e r i c d i a g n o s i s. Stamen small with a poorly differentiated base. Anther tetrasporangiate, dithecate. Dehiscence valvate by two laterally hinged vales over each theca. Connective between thecae massive. Apical extension of the connective prominent, only slightly shorter than the anther, globose, overhanging the thecae. Pollen small, semitectate-reticulate.</paragraph>
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</subSubSection>
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<subSubSection pageId="38" pageNumber="379" type="discussion">
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<paragraph blockId="38.[129,768,1755,2100]" pageId="38" pageNumber="379">
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C o m m e n t s o n t h e g e n u s. Similarstamenswith valvate dehiscence,laterally hinged valves, poor differentiation between stamen base and anther, and a prominent globose apical extension of the connective, are characteristic of several extant members of
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<taxonomicName baseAuthorityName="Walker" baseAuthorityYear="1971" box="[430,559,1884,1908]" class="Magnoliopsida" family="Annonaceae" kingdom="Plantae" order="Magnoliales" pageId="38" pageNumber="379" phylum="Tracheophyta" rank="family">Annonaceae</taxonomicName>
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(e.g.,
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<bibRefCitation author="Endress, P. K. & Hufford, L. D." pageId="38" pageNumber="379" pagination="45 - 85" refId="ref54750" refString="Endress, P. K., Hufford, L. D. (1989): The diversity of stamen structures and dehiscence patterns among Magnoliidae. - Botanical Journal of the Linnean Society, 100: 45 - 85. https: // doi. org / 10.1111 / j. 1095 - 8339.1989. tb 01709. x" type="journal article" year="1989">Endress and Hufford 1989</bibRefCitation>
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,
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<bibRefCitation author="Van Heusden, E. C. H." box="[283,483,1916,1940]" pageId="38" pageNumber="379" pagination="1 - 218" refId="ref60785" refString="Van Heusden, E. C. H. (1992): Flowers of Annonaceae: morphology, classification, and evolution. - Blumea, Supplement, 7: 1 - 218." type="journal article" year="1992">Van Heusden 1992</bibRefCitation>
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). Comparable stamens also occur in extinct and extant members of
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<taxonomicName box="[553,676,1948,1972]" class="Magnoliopsida" family="Platanaceae" kingdom="Plantae" order="Proteales" pageId="38" pageNumber="379" phylum="Tracheophyta" rank="family">Platanaceae</taxonomicName>
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(
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<bibRefCitation author="Friis, E. M. & Crane, P. R. & Pedersen, K. R." pageId="38" pageNumber="379" pagination="1 - 56" refId="ref54862" refString="Friis, E. M., Crane, P. R., Pedersen, K. R. (1988): Reproductive structure of Cretaceous Platanaceae. - Biologiske Skrifter, det Kongelige Danske Videnskabernes Selskab, 31: 1 - 56." type="journal article" year="1988">Friis et al. 1988</bibRefCitation>
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,
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<bibRefCitation author="Endress, P. K. & Hufford, L. D." box="[229,514,1980,2004]" pageId="38" pageNumber="379" pagination="45 - 85" refId="ref54750" refString="Endress, P. K., Hufford, L. D. (1989): The diversity of stamen structures and dehiscence patterns among Magnoliidae. - Botanical Journal of the Linnean Society, 100: 45 - 85. https: // doi. org / 10.1111 / j. 1095 - 8339.1989. tb 01709. x" type="journal article" year="1989">Endress and Hufford 1989</bibRefCitation>
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), but in
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<taxonomicName box="[604,727,1980,2004]" class="Magnoliopsida" family="Platanaceae" kingdom="Plantae" order="Proteales" pageId="38" pageNumber="379" phylum="Tracheophyta" rank="family">Platanaceae</taxonomicName>
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the stamens have a distinct filament, and the pollen is tricolpate.
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</paragraph>
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<paragraph blockId="38.[129,768,1755,2100]" lastBlockId="38.[843,1482,152,240]" pageId="38" pageNumber="379">The stamen is assigned here to a new genus. We are not aware of similar stamens that have been described in the fossil record and because information on other floral parts are missing detailed comparison with extant angiosperms is currently not possible.</paragraph>
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</subSubSection>
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</treatment>
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</document> |