152 lines
17 KiB
XML
152 lines
17 KiB
XML
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<mods:titleInfo id="47BF8BB41A32A84C80C8E86FE8124128">
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<mods:title id="7BD2138CF4BF4023277E81DD6498DE57">The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms</mods:title>
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<mods:namePart id="1C375788160422D011B0476307CF9263">Friis, Else Marie</mods:namePart>
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<mods:namePart id="648F5A29B153E03FF60676E9A7B33C9E">Crane, Peter R.</mods:namePart>
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<mods:namePart id="4122DB478F59FC72E072C26691434341">Pedersen, Kaj Raunsgaard</mods:namePart>
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<mods:namePart id="9EE504CBF21477B659AF95395AE65376">Mendes, Mário Miguel</mods:namePart>
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<mods:namePart id="F44CB462DBEBFA4126AEB0AFB58C0CB1">Kvaček, Jiří</mods:namePart>
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<mods:title id="F8FE2F3727B43DA08E9A8EFDF04E6E01">Fossil Imprint</mods:title>
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<mods:date id="CD635EFFF1BD0011878194E87E4B9905">2022</mods:date>
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<treatment id="03FD87F2FFE7FFF5FC32FB7FC390FEF7" ID-DOI="http://doi.org/10.5281/zenodo.7535327" ID-GBIF-Taxon="208830460" ID-Zenodo-Dep="7535327" LSID="urn:lsid:plazi:treatment:03FD87F2FFE7FFF5FC32FB7FC390FEF7" httpUri="http://treatment.plazi.org/id/03FD87F2FFE7FFF5FC32FB7FC390FEF7" lastPageId="27" lastPageNumber="368" pageId="26" pageNumber="367">
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<paragraph id="8BEB36E4FFE7FFF4FC32FB7FC782FB1E" blockId="26.[909,1415,1152,1208]" pageId="26" pageNumber="367">
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<taxonomicName id="4C544D67FFE7FFF4FC32FB7FC782FB1E" authority="E.M.FRIIS, P.R.CRANE et K.R.PEDERSEN, 2017" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityYear="2017" class="Magnoliopsida" family="Chloranthaceae" genus="Saportanthus" kingdom="Plantae" order="Chloranthales" pageId="26" pageNumber="367" phylum="Tracheophyta" rank="species" species="parvus">
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Saportanthus
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<emphasis id="B920EAF6FFE7FFF4FB97FB7EC782FB1E" bold="true" pageId="26" pageNumber="367">
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<emphasis id="B920EAF6FFE7FFF4FB97FB7EC70AFB3E" bold="true" box="[1064,1138,1153,1176]" italics="true" pageId="26" pageNumber="367">parvus</emphasis>
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E.M.FRIIS, P.R.CRANE et K.R.PEDERSEN, 2017
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</emphasis>
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<paragraph id="8BEB36E4FFE7FFF4FB86FB3FC7A3FB7E" blockId="26.[1081,1243,1216,1240]" box="[1081,1243,1216,1240]" pageId="26" pageNumber="367">
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<figureCitation id="136F2A61FFE7FFF4FB86FB3FC7A3FB7E" box="[1081,1243,1216,1240]" captionStart="Text-fig" captionStartId="28.[147,228,1662,1683]" captionTargetBox="[150,1462,151,1646]" captionTargetId="figure-147@28.[145,1466,148,1649]" captionTargetPageId="28" captionText="Text-fig. 18. Scanning electron microscope (SEM) images of fragmentary flower of Catanthus dolichostemon (a, b) and flower of Saportanthus parvus (c, d); Catefica locality, Portugal. a, b) Fragment of flower bud showing bulky tepals (te) and fleshy stamens (st) in ventral (a) and lateral (b) views; note the long stamen base and small anther with extrorse anther dehiscence (arrows); c, d) Flower in lateral (c) and oblique apical (d) views showing inferior ovary and eight bulky tepals almost completely enclosing the stamens and styles. Specimens, Catefica MM92-P0159 (a, b), Catefica MM285-P0331 (c, d). Scale bars = 300 Μm (a–d)." figureDoi="http://doi.org/10.5281/zenodo.7522839" httpUri="https://zenodo.org/record/7522839/files/figure.png" pageId="26" pageNumber="367">Text-fig. 18c, d</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C34E656FFFE7FFF5FCCEFB0FC390FEF7" lastPageId="27" lastPageNumber="368" pageId="26" pageNumber="367" type="description">
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<paragraph id="8BEB36E4FFE7FFF4FCCEFB0FC6F7F921" blockId="26.[843,1482,1263,1671]" pageId="26" pageNumber="367">
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Description and remarks. The species was described based on well-preserved flowers from the Catefica mesofossil flora (for a full description see
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<bibRefCitation id="EFC54B15FFE7FFF4FAAEFAD0C6C7FAE1" author="Friis, E. M. & Crane, P. R. & Pedersen, K. R." box="[1297,1471,1327,1351]" pageId="26" pageNumber="367" pagination="650 - 672" refId="ref55023" refString="Friis, E. M., Crane, P. R., Pedersen, K. R. (2017): Saportanthus, an extinct genus of Laurales from the Early Cretaceous of Portugal. - International Journal of Plant Sciences, 178: 650 - 672. https: // doi. org / 10.1086 / 693108" type="journal article" year="2017">Friis et al. 2017</bibRefCitation>
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). The flowers are small, actinomorphic, with six to eight broadly ovate tepals, five to seven stamens, and a unicarpellate, uniovulate, semi-inferior ovary (
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<figureCitation id="136F2A61FFE7FFF4FB7BFA70C6F9FA01" box="[1220,1409,1423,1447]" captionStart="Text-fig" captionStartId="28.[147,228,1662,1683]" captionTargetBox="[150,1462,151,1646]" captionTargetId="figure-147@28.[145,1466,148,1649]" captionTargetPageId="28" captionText="Text-fig. 18. Scanning electron microscope (SEM) images of fragmentary flower of Catanthus dolichostemon (a, b) and flower of Saportanthus parvus (c, d); Catefica locality, Portugal. a, b) Fragment of flower bud showing bulky tepals (te) and fleshy stamens (st) in ventral (a) and lateral (b) views; note the long stamen base and small anther with extrorse anther dehiscence (arrows); c, d) Flower in lateral (c) and oblique apical (d) views showing inferior ovary and eight bulky tepals almost completely enclosing the stamens and styles. Specimens, Catefica MM92-P0159 (a, b), Catefica MM285-P0331 (c, d). Scale bars = 300 Μm (a–d)." figureDoi="http://doi.org/10.5281/zenodo.7522839" httpUri="https://zenodo.org/record/7522839/files/figure.png" pageId="26" pageNumber="367">Text-fig. 18c, d</figureCitation>
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). The pollen is 8–12 µm in diameter. The aperture configuration of the pollen is not securely established for the material from Catefica, but the tectum ornamentation is finely striate and forms a fingerprint-like pattern (
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<bibRefCitation id="EFC54B15FFE7FFF4FB25F9F0C63AF981" author="Friis, E. M. & Crane, P. R. & Pedersen, K. R." box="[1178,1346,1551,1575]" pageId="26" pageNumber="367" pagination="650 - 672" refId="ref55023" refString="Friis, E. M., Crane, P. R., Pedersen, K. R. (2017): Saportanthus, an extinct genus of Laurales from the Early Cretaceous of Portugal. - International Journal of Plant Sciences, 178: 650 - 672. https: // doi. org / 10.1086 / 693108" type="journal article" year="2017">Friis et al. 2017</bibRefCitation>
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: fig. 13A–C) similar to that known for the trichotomocolpate and dicolpate pollen of the two other species of
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<emphasis id="B920EAF6FFE7FFF4FB1AF9B0C648F9C1" box="[1189,1328,1615,1639]" italics="true" pageId="26" pageNumber="367">Saportanthus</emphasis>
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recorded from other Early Cretaceous mesofossil floras from
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<collectingCountry id="F3437674FFE7FFF4FA90F990C6F3F921" box="[1327,1419,1647,1671]" name="Portugal" pageId="26" pageNumber="367">Portugal</collectingCountry>
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.
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</paragraph>
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<paragraph id="8BEB36E4FFE7FFF4FCCEF960C6D4F7B1" blockId="26.[843,1482,1694,2071]" pageId="26" pageNumber="367">
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Affinity and other occurrences. A phylogenetic assessment of
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<emphasis id="B920EAF6FFE7FFF4FB84F941C7B1F970" box="[1083,1225,1726,1750]" italics="true" pageId="26" pageNumber="367">Saportanthus</emphasis>
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suggests that the genus is sister to, or embedded within, core
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<taxonomicName id="4C544D67FFE7FFF4FB53F921C0F5F8B1" authority="(Friis et al. 2017)" baseAuthorityName="Friis" baseAuthorityYear="2017" class="Magnoliopsida" kingdom="Plantae" order="Laurales" pageId="26" pageNumber="367" phylum="Tracheophyta" rank="order">
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Laurales (
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<bibRefCitation id="EFC54B15FFE7FFF4FAE7F921C0FDF8B1" author="Friis, E. M. & Crane, P. R. & Pedersen, K. R." pageId="26" pageNumber="367" pagination="650 - 672" refId="ref55023" refString="Friis, E. M., Crane, P. R., Pedersen, K. R. (2017): Saportanthus, an extinct genus of Laurales from the Early Cretaceous of Portugal. - International Journal of Plant Sciences, 178: 650 - 672. https: // doi. org / 10.1086 / 693108" type="journal article" year="2017">Friis et al. 2017</bibRefCitation>
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)
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</taxonomicName>
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. The genus is widely distributed among the Early Cretaceous mesofossil floras from
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<collectingCountry id="F3437674FFE7FFF4FB75F8E1C650F890" box="[1226,1320,1822,1846]" name="Portugal" pageId="26" pageNumber="367">Portugal</collectingCountry>
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. Three species are currently recognized;
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<taxonomicName id="4C544D67FFE7FFF4FB38F8C0C705F8D3" authority="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" class="Magnoliopsida" family="Chloranthaceae" genus="Sarcandra" kingdom="Plantae" order="Chloranthales" pageId="26" pageNumber="367" phylum="Tracheophyta" rank="species" species="brachystemon">
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<emphasis id="B920EAF6FFE7FFF4FB38F8C0C7ECF8F0" box="[1159,1172,1855,1878]" italics="true" pageId="26" pageNumber="367">S</emphasis>
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.
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<emphasis id="B920EAF6FFE7FFF4FB0EF8C1C63FF8F0" box="[1201,1351,1854,1878]" italics="true" pageId="26" pageNumber="367">brachystemon</emphasis>
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E.M.FRIIS, P.R.CRANE et K.R.PEDERSEN
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</taxonomicName>
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,
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<taxonomicName id="4C544D67FFE7FFF4FB2EF8A0C706F833" authority="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" class="Magnoliopsida" family="Chloranthaceae" genus="Sarcandra" kingdom="Plantae" order="Chloranthales" pageId="26" pageNumber="367" phylum="Tracheophyta" rank="species" species="dolichostemon">
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<emphasis id="B920EAF6FFE7FFF4FB2EF8A0C7E6F8D0" box="[1169,1182,1887,1910]" italics="true" pageId="26" pageNumber="367">S</emphasis>
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||
.
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<emphasis id="B920EAF6FFE7FFF4FB0CF8A1C637F8D0" box="[1203,1359,1886,1910]" italics="true" pageId="26" pageNumber="367">dolichostemon</emphasis>
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E.M.FRIIS, P.R.CRANE et K.R.PEDERSEN
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</taxonomicName>
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and
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<taxonomicName id="4C544D67FFE7FFF4FB00F880C651F830" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN, Serialis" authorityYear="2017" box="[1215,1321,1919,1942]" class="Magnoliopsida" family="Chloranthaceae" genus="Sarcandra" kingdom="Plantae" order="Chloranthales" pageId="26" pageNumber="367" phylum="Tracheophyta" rank="species" species="parvus">
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<emphasis id="B920EAF6FFE7FFF4FB00F880C7B4F830" box="[1215,1228,1919,1942]" italics="true" pageId="26" pageNumber="367">S</emphasis>
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.
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<emphasis id="B920EAF6FFE7FFF4FB5FF880C651F830" box="[1248,1321,1919,1942]" italics="true" pageId="26" pageNumber="367">parvus</emphasis>
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</taxonomicName>
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. Currently,
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<taxonomicName id="4C544D67FFE7FFF4FA09F880C0ECF810" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN, Serialis" authorityYear="2017" class="Magnoliopsida" family="Chloranthaceae" genus="Sarcandra" kingdom="Plantae" order="Chloranthales" pageId="26" pageNumber="367" phylum="Tracheophyta" rank="species" species="parvus">
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<emphasis id="B920EAF6FFE7FFF4FA09F880C6BBF830" box="[1462,1475,1919,1942]" italics="true" pageId="26" pageNumber="367">S</emphasis>
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.
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<emphasis id="B920EAF6FFE7FFF4FCF4F860C0ECF810" box="[843,916,1951,1974]" italics="true" pageId="26" pageNumber="367">parvus</emphasis>
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</taxonomicName>
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is known only from Catefica. “Flower sp. 2” from the Chicalhão site near Juncal is closely similar and may also belong to this species, but only
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<specimenCount id="9D52FD6DFFE7FFF4FB1FF820C64BF850" box="[1184,1331,2014,2038]" pageId="26" pageNumber="367" type="generic">one specimen</specimenCount>
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is known and there are no details of internal features (
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<bibRefCitation id="EFC54B15FFE7FFF4FB4CF801C6D9F7B1" author="Friis, E. M. & Crane, P. R. & Pedersen, K. R." box="[1267,1441,2046,2071]" pageId="26" pageNumber="367" pagination="650 - 672" refId="ref55023" refString="Friis, E. M., Crane, P. R., Pedersen, K. R. (2017): Saportanthus, an extinct genus of Laurales from the Early Cretaceous of Portugal. - International Journal of Plant Sciences, 178: 650 - 672. https: // doi. org / 10.1086 / 693108" type="journal article" year="2017">Friis et al. 2017</bibRefCitation>
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).
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</paragraph>
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<paragraph id="8BEB36E4FFE6FFF5FF2FFF68C390FEF7" blockId="27.[106,745,151,337]" pageId="27" pageNumber="368">
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Flowers of
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<emphasis id="B920EAF6FFE6FFF5FEA7FF68C285FF09" box="[280,509,151,175]" italics="true" pageId="27" pageNumber="368">
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Saportanthus
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<taxonomicName id="4C544D67FFE6FFF5FE0BFF67C285FF09" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN, Serialis" authorityYear="2017" box="[436,509,152,175]" class="Magnoliopsida" family="Chloranthaceae" genus="Sarcandra" kingdom="Plantae" order="Chloranthales" pageId="27" pageNumber="368" phylum="Tracheophyta" rank="species" species="parvus">parvus</taxonomicName>
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</emphasis>
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are common in the Catefica mesofossil flora, but the characteristic, finely striate pollen grains produced by these flowers have so far not been observed in the Catefica dispersed palynoflora, probably due to their very thin and poorly preservable pollen wall.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |