159 lines
28 KiB
XML
159 lines
28 KiB
XML
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<mods:title id="75AB831E640B376A413F482B6962A146">The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community</mods:title>
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<mods:namePart id="57D6FB408B7E4D529E2C7B4F605E61F7">Friis, Else Marie</mods:namePart>
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<mods:namePart id="FF1DAC7D9B4DB1993B4714E5DAF0425F">Crane, Peter R.</mods:namePart>
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<mods:namePart id="E0150C029F082ADC9C7D872BF8E723E1">Pedersen, Kaj Raunsgaard</mods:namePart>
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<mods:date id="800E70AE74532B29DA8B97652E0FDC4C">2019</mods:date>
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<paragraph id="8B806D06BF18C214CE3CB3F6E38619AA" blockId="23.[868,1411,1475,1531]" pageId="23" pageNumber="176">
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<heading id="D0C8DA6ABF18C214CE3CB3F6E38619AA" centered="true" fontSize="8" level="2" pageId="23" pageNumber="176" reason="2">
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<emphasis id="B94BB114BF18C214CE3CB3F6E38619AA" bold="true" pageId="23" pageNumber="176">
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<taxonomicName id="4C3F1685BF18C214CE3CB3F6E3DA19A8" authority="E.M.FRIIS, P.R.CRANE et K.R.PEDERSEN" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityYear="2019" class="Liliopsida" family="Poaceae" genus="Anaspermum" kingdom="Plantae" order="Poales" pageId="23" pageNumber="176" phylum="Tracheophyta" rank="species" species="operculatum" status="sp. nov.">
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<emphasis id="B94BB114BF18C214CE3CB3F6E3F2198A" bold="true" box="[868,1162,1475,1499]" italics="true" pageId="23" pageNumber="176">Anaspermum operculatum</emphasis>
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E.M.FRIIS, P.R.CRANE et K.R.PEDERSEN
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</taxonomicName>
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<taxonomicNameLabel id="A2780C6FBF18C214C9F1B3D6E38619AA" box="[1193,1278,1507,1531]" pageId="23" pageNumber="176" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B806D06BF18C214C97CB036E3BB1A4A" blockId="23.[1060,1219,1539,1563]" box="[1060,1219,1539,1563]" pageId="23" pageNumber="176">
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<figureCitation id="13047183BF18C214C97CB036E3BB1A4A" box="[1060,1219,1539,1563]" captionStart="Text-fig" captionStartId="27.[125,206,1541,1562]" captionTargetBox="[128,1440,151,1517]" captionTargetId="figure-177@27.[636,902,656,1055]" captionTargetPageId="27" captionText="Text-fig. 15. Scanning electron microscope (SEM) images of seeds of Pazliopsis reyi (a–c) and Anaspermum operculatum gen. et sp. nov. (d–j). a) Seed in lateral view showing poorly preserved remains of fruit wall and rough surface of the exotesta; b) Section through the wall of a broken seed showing palisade cells of the exotesta; c) Seed surface showing sunken very deeply sinuous outlines of the exotesta cells; d–f, h, i) Seeds in lateral view (holotype figured in d) showing the pointed micropylar-hilar area, the rounded chalazal end, the smooth surface of the exotesta composed of cells with sinuous cell outlines, and the distinct course of the raphe; g) Surface of the exotesta showing the distinctive cell outlines formed by the sinuous anticlinal walls of the palisade cells; j) Apical view of seed showing the prominent operculum. Specimens, TV43-S171534 (a), TV44-S136683 (b), TV43-S136745 (c), TV43-S136740 (holotype; d), TV43-S136746 (e), TV43-S136739 (f), TV43-S170083 (g), TV S136743 (h), TV43-S136742 (i), TV38-S174608 (j). Scale bars 300 Μm (a, b, d–f, h, i), 50 Μm (j), 30 Μm (c, g)." figureDoi="http://doi.org/10.5281/zenodo.5386253" httpUri="https://zenodo.org/record/5386253/files/figure.png" pageId="23" pageNumber="176">Text-fig. 15d–j</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3253E8DBF18C219CE02B006E6E51F21" lastPageId="26" lastPageNumber="179" pageId="23" pageNumber="176" type="description">
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<paragraph id="8B806D06BF18C214CE02B006E3E21A3B" blockId="23.[820,1459,1586,1642]" pageId="23" pageNumber="176">
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H o l o t y p e. Designated here. S136740 (Torres Vedras sample 43; figured
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<figureCitation id="13047183BF18C214C959B067E3F61A3B" box="[1025,1166,1618,1642]" captionStart="Text-fig" captionStartId="27.[125,206,1541,1562]" captionTargetBox="[128,1440,151,1517]" captionTargetId="figure-177@27.[636,902,656,1055]" captionTargetPageId="27" captionText="Text-fig. 15. Scanning electron microscope (SEM) images of seeds of Pazliopsis reyi (a–c) and Anaspermum operculatum gen. et sp. nov. (d–j). a) Seed in lateral view showing poorly preserved remains of fruit wall and rough surface of the exotesta; b) Section through the wall of a broken seed showing palisade cells of the exotesta; c) Seed surface showing sunken very deeply sinuous outlines of the exotesta cells; d–f, h, i) Seeds in lateral view (holotype figured in d) showing the pointed micropylar-hilar area, the rounded chalazal end, the smooth surface of the exotesta composed of cells with sinuous cell outlines, and the distinct course of the raphe; g) Surface of the exotesta showing the distinctive cell outlines formed by the sinuous anticlinal walls of the palisade cells; j) Apical view of seed showing the prominent operculum. Specimens, TV43-S171534 (a), TV44-S136683 (b), TV43-S136745 (c), TV43-S136740 (holotype; d), TV43-S136746 (e), TV43-S136739 (f), TV43-S170083 (g), TV S136743 (h), TV43-S136742 (i), TV38-S174608 (j). Scale bars 300 Μm (a, b, d–f, h, i), 50 Μm (j), 30 Μm (c, g)." figureDoi="http://doi.org/10.5281/zenodo.5386253" httpUri="https://zenodo.org/record/5386253/files/figure.png" pageId="23" pageNumber="176">Text-fig. 15d</figureCitation>
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).
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</paragraph>
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<paragraph id="8B806D06BF18C214CE02B0B7E2C81AC8" blockId="23.[820,1456,1665,1721]" box="[858,1456,1665,1690]" pageId="23" pageNumber="176">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 id="8B806D06BF18C214CE6CB094E3031AE8" blockId="23.[820,1456,1665,1721]" box="[820,1147,1697,1721]" pageId="23" pageNumber="176">PFN000455 (for new species).</paragraph>
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<paragraph id="8B806D06BF18C214CE02B0E4E3781B18" blockId="23.[820,1459,1744,1865]" pageId="23" pageNumber="176">P a r a t y p e s. Designated here. S174608 (Torres Vedras sample 38); S136739, S136742, S136743, S136746, S170071, S170082-S170084, S170093, S174990 (Torres Vedras sample 43).</paragraph>
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<paragraph id="8B806D06BF18C214CE02B155E3691BE9" blockId="23.[820,1460,1888,1976]" pageId="23" pageNumber="176">
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<materialsCitation id="3B57675BBF18C214CE02B155E3751BE9" collectionCode="R" country="Sweden" county="Swedish Museum of Natural History" location="Palaeobotanical Collections" municipality="Department of Palaeobiology" pageId="23" pageNumber="176" specimenCount="1" stateProvince="Stockholm">
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<collectionCode id="ED2EF5C3BF18C214CE02B155E4141B26" box="[858,876,1888,1911]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="23" pageNumber="176">R</collectionCode>
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e p o s i t o r y.
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<location id="8EE03BDDBF18C214C952B155E2551B29" LSID="urn:lsid:plazi:treatment:0396DC10BF18C219CE3CB3F6E6E51F21:8EE03BDDBF18C214C952B155E2551B29" box="[1034,1325,1888,1912]" country="Sweden" county="Swedish Museum of Natural History" municipality="Department of Palaeobiology" name="Palaeobotanical Collections" pageId="23" pageNumber="176" stateProvince="Stockholm">Palaeobotanical Collections</location>
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,
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<collectingMunicipality id="6BE4F77CBF18C214C861B155E4941BC9" pageId="23" pageNumber="176">Department of Palaeobiology</collectingMunicipality>
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, the
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<collectingCounty id="62E1158ABF18C214C978B1B5E2D71BC9" box="[1056,1455,1920,1944]" pageId="23" pageNumber="176">Swedish Museum of Natural History</collectingCounty>
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,
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<collectingRegion id="49FBA3E4BF18C214CE6CB195E4D21BE9" box="[820,938,1952,1976]" country="Sweden" name="Stockholm" pageId="23" pageNumber="176">Stockholm</collectingRegion>
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,
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<collectingCountry id="F3282D96BF18C214CEEDB195E3751BE9" box="[949,1037,1952,1976]" name="Sweden" pageId="23" pageNumber="176">Sweden</collectingCountry>
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.
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</paragraph>
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<paragraph id="8B806D06BF18C214CE02B1FAE2351456" blockId="23.[820,1459,1999,2055]" pageId="23" pageNumber="176">E t y m o l o g y. From Latin: operculum referring to the presence of an operculum at the micropyle region.</paragraph>
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<caption id="DF403D8EBF17C21BCDCBB0B4E42E1B78" ID-DOI="http://doi.org/10.5281/zenodo.5386247" ID-Zenodo-Dep="5386247" httpUri="https://zenodo.org/record/5386247/files/figure.png" pageId="24" pageNumber="177" startId="24.[147,228,1665,1686]" targetBox="[150,1462,151,1646]" targetPageId="24">
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<paragraph id="8B806D06BF17C21BCDCBB0B4E42E1B78" blockId="24.[147,1463,1665,1833]" pageId="24" pageNumber="177">Text-fig. 13. Scanning electron microscope (SEM) images of pollen or spore clump with pollen grains or spores of unknown affinity that occur separately or adhering together in dyads, triads and tetrads; Torres Vedras locality, Portugal. a) Clump of pollen or spores that yielded the pollen or spores in this Text-figure; b–f) Grains adhering together in twos, threes or fours (b–e) or occurring singly and apparently with a proximal trilete mark (f); note that the adhering grains are connected by a smooth bandlike covering, perhaps remains of the microspore mother cell; note also abundant orbicules of various sizes among and over the grains. Specimen, TV44-S148149. Scale bars 300 Μm (a), 30 Μm (b–f).</paragraph>
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</caption>
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<paragraph id="8B806D06BF17C21BCDFEB145E5871BD9" blockId="24.[129,767,1904,1960]" box="[166,767,1904,1928]" pageId="24" pageNumber="177">T y p e l o c a l i t y. Torres Vedras (NE of Forte de</paragraph>
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<paragraph id="8B806D06BF17C21BCDD9B1A5E6941BF9" blockId="24.[129,767,1904,1960]" box="[129,492,1934,1960]" pageId="24" pageNumber="177">
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Forca;
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<geoCoordinate id="EE0B0BC1BF17C21BCD93B1BBE62C1BF6" box="[203,340,1934,1959]" degrees="39" direction="north" minutes="06" orientation="latitude" pageId="24" pageNumber="177" precision="15" seconds="13" value="39.10361">39°06′13″ N</geoCoordinate>
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,
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<geoCoordinate id="EE0B0BC1BF17C21BCC06B1BBE6981BF9" box="[350,480,1934,1960]" degrees="9" direction="west" minutes="14" orientation="longitude" pageId="24" pageNumber="177" precision="15" seconds="47" value="-9.246389">9°14′47″ W</geoCoordinate>
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).
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</paragraph>
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<paragraph id="8B806D06BF17C21BCDFEB18AE66C1446" blockId="24.[129,768,1983,2071]" pageId="24" pageNumber="177">T y p e s t r a t u m a n d a g e. Lower member of the Almargem Formation; Early Cretaceous (late Barremianearly Aptian).</paragraph>
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<paragraph id="8B806D06BF17C21BCE29B145E3B61BD9" blockId="24.[881,1230,1904,1928]" box="[881,1230,1904,1928]" pageId="24" pageNumber="177">D i a g n o s i s. As for the genus.</paragraph>
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<paragraph id="8B806D06BF17C21BCE29B1A9E3581B82" blockId="24.[843,1481,1947,2003]" pageId="24" pageNumber="177">
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D i m e n s i o n s. Length of seed:
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<quantity id="4CC7C0E3BF17C21BC9B9B1AEE21D1BE2" box="[1249,1381,1947,1971]" metricMagnitude="-3" metricUnit="m" metricValue="4.55" metricValueMax="8.4" metricValueMin="0.7" pageId="24" pageNumber="177" unit="mm" value="4.55" valueMax="8.4" valueMin="0.7">0.7–8.4 mm</quantity>
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; width of seeds:
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<quantity id="4CC7C0E3BF17C21BCECBB18EE3581B82" box="[915,1056,1979,2003]" metricMagnitude="-4" metricUnit="m" metricValue="5.1" metricValueMax="6.0" metricValueMin="4.2" pageId="24" pageNumber="177" unit="mm" value="0.51" valueMax="0.6" valueMin="0.42">0.42–0.6 mm</quantity>
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</paragraph>
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<paragraph id="8B806D06BF17C219CE29B1D2E5341E68" blockId="24.[843,1482,2022,2078]" lastBlockId="26.[129,768,151,569]" lastPageId="26" lastPageNumber="179" pageId="24" pageNumber="177">
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D e s c r i p t i o n a n d r e m a r k s. The seeds occur singly and isolated, and there is no information on the fruit or other parts of the plant. The seeds were illustrated earlier, but not formally described or named (
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<bibRefCitation id="EFAE10F7BF15C219CFD0B68DE7BE1CA0" author="Friis, E. M. & Pedersen, K. R. & Crane, P. R." pageId="26" pageNumber="179" pagination="341 - 361" refId="ref77134" refString="Friis, E. M., Pedersen, K. R., Crane, P. R. (2010 a): Creta- ceous diversification of angiosperms in the western part of the Iberian Peninsula. - Review of Palaeobotany and Palynology, 162: 341 - 361. https: // doi. org / 10.1016 / j. revpalbo. 2009.11.009" type="journal article" year="2010">Friis et al. 2010a</bibRefCitation>
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). They are small, elliptical to ovate in lateral view and elliptical in transverse section (
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<figureCitation id="13047183BF15C219CF49B6CFE5891D43" box="[529,753,250,274]" captionStart="Text-fig" captionStartId="27.[125,206,1541,1562]" captionTargetBox="[128,1440,151,1517]" captionTargetId="figure-177@27.[636,902,656,1055]" captionTargetPageId="27" captionText="Text-fig. 15. Scanning electron microscope (SEM) images of seeds of Pazliopsis reyi (a–c) and Anaspermum operculatum gen. et sp. nov. (d–j). a) Seed in lateral view showing poorly preserved remains of fruit wall and rough surface of the exotesta; b) Section through the wall of a broken seed showing palisade cells of the exotesta; c) Seed surface showing sunken very deeply sinuous outlines of the exotesta cells; d–f, h, i) Seeds in lateral view (holotype figured in d) showing the pointed micropylar-hilar area, the rounded chalazal end, the smooth surface of the exotesta composed of cells with sinuous cell outlines, and the distinct course of the raphe; g) Surface of the exotesta showing the distinctive cell outlines formed by the sinuous anticlinal walls of the palisade cells; j) Apical view of seed showing the prominent operculum. Specimens, TV43-S171534 (a), TV44-S136683 (b), TV43-S136745 (c), TV43-S136740 (holotype; d), TV43-S136746 (e), TV43-S136739 (f), TV43-S170083 (g), TV S136743 (h), TV43-S136742 (i), TV38-S174608 (j). Scale bars 300 Μm (a, b, d–f, h, i), 50 Μm (j), 30 Μm (c, g)." figureDoi="http://doi.org/10.5281/zenodo.5386253" httpUri="https://zenodo.org/record/5386253/files/figure.png" pageId="26" pageNumber="179">Text-fig. 15d–f, h, i</figureCitation>
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). They are anatropous with the hilar scar and micropyle close together on an apical cap-like structure (
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<figureCitation id="13047183BF15C219CF7FB709E5B21D05" box="[551,714,315,340]" captionStart="Text-fig" captionStartId="27.[125,206,1541,1562]" captionTargetBox="[128,1440,151,1517]" captionTargetId="figure-177@27.[636,902,656,1055]" captionTargetPageId="27" captionText="Text-fig. 15. Scanning electron microscope (SEM) images of seeds of Pazliopsis reyi (a–c) and Anaspermum operculatum gen. et sp. nov. (d–j). a) Seed in lateral view showing poorly preserved remains of fruit wall and rough surface of the exotesta; b) Section through the wall of a broken seed showing palisade cells of the exotesta; c) Seed surface showing sunken very deeply sinuous outlines of the exotesta cells; d–f, h, i) Seeds in lateral view (holotype figured in d) showing the pointed micropylar-hilar area, the rounded chalazal end, the smooth surface of the exotesta composed of cells with sinuous cell outlines, and the distinct course of the raphe; g) Surface of the exotesta showing the distinctive cell outlines formed by the sinuous anticlinal walls of the palisade cells; j) Apical view of seed showing the prominent operculum. Specimens, TV43-S171534 (a), TV44-S136683 (b), TV43-S136745 (c), TV43-S136740 (holotype; d), TV43-S136746 (e), TV43-S136739 (f), TV43-S170083 (g), TV S136743 (h), TV43-S136742 (i), TV38-S174608 (j). Scale bars 300 Μm (a, b, d–f, h, i), 50 Μm (j), 30 Μm (c, g)." figureDoi="http://doi.org/10.5281/zenodo.5386253" httpUri="https://zenodo.org/record/5386253/files/figure.png" pageId="26" pageNumber="179">Text-fig. 15d, e</figureCitation>
|
||
) that is sometimes shed (
|
||
<figureCitation id="13047183BF15C219CC0EB769E69F1D25" box="[342,487,348,372]" captionStart="Text-fig" captionStartId="27.[125,206,1541,1562]" captionTargetBox="[128,1440,151,1517]" captionTargetId="figure-177@27.[636,902,656,1055]" captionTargetPageId="27" captionText="Text-fig. 15. Scanning electron microscope (SEM) images of seeds of Pazliopsis reyi (a–c) and Anaspermum operculatum gen. et sp. nov. (d–j). a) Seed in lateral view showing poorly preserved remains of fruit wall and rough surface of the exotesta; b) Section through the wall of a broken seed showing palisade cells of the exotesta; c) Seed surface showing sunken very deeply sinuous outlines of the exotesta cells; d–f, h, i) Seeds in lateral view (holotype figured in d) showing the pointed micropylar-hilar area, the rounded chalazal end, the smooth surface of the exotesta composed of cells with sinuous cell outlines, and the distinct course of the raphe; g) Surface of the exotesta showing the distinctive cell outlines formed by the sinuous anticlinal walls of the palisade cells; j) Apical view of seed showing the prominent operculum. Specimens, TV43-S171534 (a), TV44-S136683 (b), TV43-S136745 (c), TV43-S136740 (holotype; d), TV43-S136746 (e), TV43-S136739 (f), TV43-S170083 (g), TV S136743 (h), TV43-S136742 (i), TV38-S174608 (j). Scale bars 300 Μm (a, b, d–f, h, i), 50 Μm (j), 30 Μm (c, g)." figureDoi="http://doi.org/10.5281/zenodo.5386253" httpUri="https://zenodo.org/record/5386253/files/figure.png" pageId="26" pageNumber="179">Text-fig. 15h</figureCitation>
|
||
). The course of the raphe is seen as a slightly raised rib extending from hilum to the chalazal end of the seed (
|
||
<figureCitation id="13047183BF15C219CCD5B7ABE5301DE7" box="[397,584,414,438]" captionStart="Text-fig" captionStartId="27.[125,206,1541,1562]" captionTargetBox="[128,1440,151,1517]" captionTargetId="figure-177@27.[636,902,656,1055]" captionTargetPageId="27" captionText="Text-fig. 15. Scanning electron microscope (SEM) images of seeds of Pazliopsis reyi (a–c) and Anaspermum operculatum gen. et sp. nov. (d–j). a) Seed in lateral view showing poorly preserved remains of fruit wall and rough surface of the exotesta; b) Section through the wall of a broken seed showing palisade cells of the exotesta; c) Seed surface showing sunken very deeply sinuous outlines of the exotesta cells; d–f, h, i) Seeds in lateral view (holotype figured in d) showing the pointed micropylar-hilar area, the rounded chalazal end, the smooth surface of the exotesta composed of cells with sinuous cell outlines, and the distinct course of the raphe; g) Surface of the exotesta showing the distinctive cell outlines formed by the sinuous anticlinal walls of the palisade cells; j) Apical view of seed showing the prominent operculum. Specimens, TV43-S171534 (a), TV44-S136683 (b), TV43-S136745 (c), TV43-S136740 (holotype; d), TV43-S136746 (e), TV43-S136739 (f), TV43-S170083 (g), TV S136743 (h), TV43-S136742 (i), TV38-S174608 (j). Scale bars 300 Μm (a, b, d–f, h, i), 50 Μm (j), 30 Μm (c, g)." figureDoi="http://doi.org/10.5281/zenodo.5386253" httpUri="https://zenodo.org/record/5386253/files/figure.png" pageId="26" pageNumber="179">Text-fig. 15d, e, i</figureCitation>
|
||
). The seeds have an almost smooth surface with a faint jigsaw puzzle-like pattern formed from the slightly raised anticlinal walls of the exotesta sclerenchyma that are stellate-undulate folded near the surface of the seed (
|
||
<figureCitation id="13047183BF15C219CCE9B414E5471E68" box="[433,575,545,569]" captionStart="Text-fig" captionStartId="27.[125,206,1541,1562]" captionTargetBox="[128,1440,151,1517]" captionTargetId="figure-177@27.[636,902,656,1055]" captionTargetPageId="27" captionText="Text-fig. 15. Scanning electron microscope (SEM) images of seeds of Pazliopsis reyi (a–c) and Anaspermum operculatum gen. et sp. nov. (d–j). a) Seed in lateral view showing poorly preserved remains of fruit wall and rough surface of the exotesta; b) Section through the wall of a broken seed showing palisade cells of the exotesta; c) Seed surface showing sunken very deeply sinuous outlines of the exotesta cells; d–f, h, i) Seeds in lateral view (holotype figured in d) showing the pointed micropylar-hilar area, the rounded chalazal end, the smooth surface of the exotesta composed of cells with sinuous cell outlines, and the distinct course of the raphe; g) Surface of the exotesta showing the distinctive cell outlines formed by the sinuous anticlinal walls of the palisade cells; j) Apical view of seed showing the prominent operculum. Specimens, TV43-S171534 (a), TV44-S136683 (b), TV43-S136745 (c), TV43-S136740 (holotype; d), TV43-S136746 (e), TV43-S136739 (f), TV43-S170083 (g), TV S136743 (h), TV43-S136742 (i), TV38-S174608 (j). Scale bars 300 Μm (a, b, d–f, h, i), 50 Μm (j), 30 Μm (c, g)." figureDoi="http://doi.org/10.5281/zenodo.5386253" httpUri="https://zenodo.org/record/5386253/files/figure.png" pageId="26" pageNumber="179">
|
||
Text-fig.
|
||
<quantity id="4CC7C0E3BF15C219CF4CB414E5471E68" box="[532,575,545,569]" metricMagnitude="-2" metricUnit="kg" metricValue="1.5" pageId="26" pageNumber="179" unit="g" value="15.0">15g</quantity>
|
||
</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="DF403D8EBF16C21ACD25B15BE2D81444" ID-DOI="http://doi.org/10.5281/zenodo.5386251" ID-Zenodo-Dep="5386251" httpUri="https://zenodo.org/record/5386251/files/figure.png" pageId="25" pageNumber="178" startId="25.[125,206,1902,1923]" targetBox="[128,1440,151,1880]" targetPageId="25">
|
||
<paragraph id="8B806D06BF16C21ACD25B15BE2D81444" blockId="25.[125,1440,1902,2069]" pageId="25" pageNumber="178">
|
||
Text-fig. 14. Scanning electron microscope (SEM) and synchrotron radiation X-ray tomographic microscopy (SRXTM) images of seeds of
|
||
<taxonomicName id="4C3F1685BF16C21ACDB7B1BEE6871BF1" authority="Friis & Crane & Pedersen, 2019" authorityName="Friis & Crane & Pedersen" authorityYear="2019" box="[239,511,1931,1952]" class="Liliopsida" family="Poaceae" genus="Gastonispermum" kingdom="Plantae" order="Poales" pageId="25" pageNumber="178" phylum="Tracheophyta" rank="species" species="antiquum" status="sp. nov.">
|
||
<emphasis id="B94BB114BF16C21ACDB7B1BEE6871BF1" bold="true" box="[239,511,1931,1952]" italics="true" pageId="25" pageNumber="178">Gastonispermum antiquum</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2780C6FBF16C21ACF5EB1BEE52B1BF1" box="[518,595,1931,1952]" pageId="25" pageNumber="178" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(a–e) and possible fruits (f–h); Torres Vedras locality, Portugal. a–c) Lateral view of seeds (holotype figured in b) showing the hilar-micropylar area and the course of the raphe; note the close association of hilum (arrowhead) and micropyle; d) Detail of seed wall showing the undulating surface of the exotesta composed of cells with sinuous cell outlines; e) Longitudinal section (orthoslice xy0914) through the hilar-micropylar area showing the hilum (arrowhead), the thickening of the endotesta around the micropyle and the course of the raphe within the exotesta (arrow); f–h) Fruits containing
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B806D06BF15C219CDFEB467E6E51F21" blockId="26.[129,768,593,880]" pageId="26" pageNumber="179">
|
||
A f f i n i t y a n d o t h e r o c c u r r e n c e s. The cap-like structure with micropyle and hilar scar resembles the germination lid seen in seeds of extant and fossil
|
||
<taxonomicName id="4C3F1685BF15C219CDD9B481E66E1E9D" authorityName="SALISB. ex BERCHT. et J. PRESL" authorityYear="1820" box="[129,278,692,716]" class="Magnoliopsida" kingdom="Plantae" order="Nymphaeales" pageId="26" pageNumber="179" phylum="Tracheophyta" rank="order">Nymphaeales</taxonomicName>
|
||
. Together with the undulate outline of the exotestal cells this feature strongly suggests a nymphaealean affinity for
|
||
<taxonomicName id="4C3F1685BF15C219CC5EB4C3E55D1F5C" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityYear="2019" box="[262,549,757,781]" class="Liliopsida" family="Poaceae" genus="Anaspermum" kingdom="Plantae" order="Poales" pageId="26" pageNumber="179" phylum="Tracheophyta" rank="species" species="operculatum">
|
||
<emphasis id="B94BB114BF15C219CC5EB4C3E55D1F5C" box="[262,549,757,781]" italics="true" pageId="26" pageNumber="179">Anaspermum operculatum</emphasis>
|
||
</taxonomicName>
|
||
. Small seeds, very similar to
|
||
<taxonomicName id="4C3F1685BF15C219CDA9B522E5751F7F" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityYear="2019" box="[241,525,790,814]" class="Liliopsida" family="Poaceae" genus="Anaspermum" kingdom="Plantae" order="Poales" pageId="26" pageNumber="179" phylum="Tracheophyta" rank="species" species="operculatum">
|
||
<emphasis id="B94BB114BF15C219CDA9B522E5751F7F" box="[241,525,790,814]" italics="true" pageId="26" pageNumber="179">Anaspermum operculatum</emphasis>
|
||
</taxonomicName>
|
||
, are also known from the Buarcos locality, but details of the micropylar area are not known for these seeds.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |