177 lines
30 KiB
XML
177 lines
30 KiB
XML
<document id="FD2F01FC99D8C1340E451166C9D6E2AD" ID-DOI="10.2478/if-2019-0013" ID-ISSN="2533-4069" ID-Zenodo-Dep="5386203" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630303095841" checkinUser="diego" docAuthor="Friis, Else Marie, Crane, Peter R. & Pedersen, Kaj Raunsgaard" docDate="2019" docId="0396DC10BF5FC250CED4B04CE5C21FFB" docLanguage="en" docName="2_Friis.pdf" docOrigin="Fossil Imprint 75 (2)" docSource="http://dx.doi.org/10.2478/if-2019-0013" docStyle="DocumentStyle:0EC54BF35E227CA4627F894F6BA30634.4:FossilImprint.2016-.journal_article" docStyleId="0EC54BF35E227CA4627F894F6BA30634" docStyleName="FossilImprint.2016-.journal_article" docStyleVersion="4" docTitle="Samylinaea punctata E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN 2019, sp. nov." docType="treatment" docVersion="5" lastPageNumber="236" masterDocId="FFAFA468BF0FC203CD58B635E7781C51" masterDocTitle="The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community" masterLastPageNumber="257" masterPageNumber="153" pageNumber="233" updateTime="1699221227565" updateUser="plazi" zenodo-license-document="CC-BY-NC-ND-3.0">
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<mods:title id="9634EA4FF1158C361B8183E3766C638B">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="B4BBA5773CA9F3DA17FF8300523A6A61">Friis, Else Marie</mods:namePart>
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<mods:namePart id="48AADB60A59B2A3878746990F50B3B60">Crane, Peter R.</mods:namePart>
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<mods:namePart id="CFF3CAAE7DF479FF5485D94E34FA65EA">Pedersen, Kaj Raunsgaard</mods:namePart>
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<mods:typeOfResource id="FA2EBF3F34DCF35C3AAE760A75DFDC5B">text</mods:typeOfResource>
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<mods:date id="AD258E403DF8855D164F1D19569B0238">2019</mods:date>
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<subSubSection id="C3253E8DBF5FC253CED4B04CE3A31A83" pageId="80" pageNumber="233" type="nomenclature">
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<paragraph id="8B806D06BF5FC253CED4B04CE27F1AE3" blockId="80.[908,1417,1657,1714]" pageId="80" pageNumber="233">
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<heading id="D0C8DA6ABF5FC253CED4B04CE27F1AE3" centered="true" fontSize="8" level="2" pageId="80" pageNumber="233" reason="2">
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<emphasis id="B94BB114BF5FC253CED4B04CE27F1AE3" bold="true" pageId="80" pageNumber="233">
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<taxonomicName id="4C3F1685BF5FC253CED4B04CE3D31AE1" 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="Magnoliopsida" family="Schisandraceae" genus="Samylinaea" kingdom="Plantae" order="Austrobaileyales" pageId="80" pageNumber="233" phylum="Tracheophyta" rank="species" species="punctata" status="sp. nov.">
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<emphasis id="B94BB114BF5FC253CED4B04CE30B1AC0" bold="true" box="[908,1139,1657,1681]" italics="true" pageId="80" pageNumber="233">Samylinaea punctata</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="A2780C6FBF5FC253C9EAB0AFE27F1AE3" box="[1202,1287,1690,1714]" pageId="80" pageNumber="233" 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="8B806D06BF5FC253C961B08FE3A31A83" blockId="80.[1081,1243,1722,1746]" box="[1081,1243,1722,1746]" pageId="80" pageNumber="233">
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<figureCitation id="13047183BF5FC253C961B08FE3A31A83" box="[1081,1243,1722,1746]" captionStart="Text-fig" captionStartId="82.[147,228,1827,1848]" captionTargetBox="[149,1463,151,1803]" captionTargetId="figure-27@82.[736,1467,630,1209]" captionTargetPageId="82" captionText="Text-fig. 52. Scanning electron microscope (SEM) images of tricolpate pollen of Samylinaea punctata gen. et sp. nov from a pollen clump; Torres Vedras locality, Portugal. a) Pollen clump (probable stamen fragment) that yielded the pollen in this Text-figure; b) Polar view of pollen grain showing two colpi, granular aperture membrane, and punctate tectum; c) Orbicule showing very finely granular surface; d) Pollen wall showing short columellae, well-developed punctate tectum and slightly thinner foot layer; e–h) Pollen grains showing punctate tectum and the folds associated with the irregular development of the colpi. Specimen, TV44-S174565 (holotype; a–h). Scale bars 300 Μm (a), 6 Μm (b, e–h), 3 Μm (c, d)." figureDoi="http://doi.org/10.5281/zenodo.5386377" httpUri="https://zenodo.org/record/5386377/files/figure.png" pageId="80" pageNumber="233">Text-fig. 52a–h</figureCitation>
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<subSubSection id="C3253E8DBF5FC250CE29B0DFE5C21FFB" lastPageId="83" lastPageNumber="236" pageId="80" pageNumber="233" type="description">
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<paragraph id="8B806D06BF5FC253CE29B0DFE3B21B73" blockId="80.[843,1482,1770,1827]" pageId="80" pageNumber="233">
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H o l o t y p e. Designated here. S174565 (Torres Vedras sample 44; figured
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<figureCitation id="13047183BF5FC253C940B13FE3C61B73" box="[1048,1214,1802,1826]" captionStart="Text-fig" captionStartId="82.[147,228,1827,1848]" captionTargetBox="[149,1463,151,1803]" captionTargetId="figure-27@82.[736,1467,630,1209]" captionTargetPageId="82" captionText="Text-fig. 52. Scanning electron microscope (SEM) images of tricolpate pollen of Samylinaea punctata gen. et sp. nov from a pollen clump; Torres Vedras locality, Portugal. a) Pollen clump (probable stamen fragment) that yielded the pollen in this Text-figure; b) Polar view of pollen grain showing two colpi, granular aperture membrane, and punctate tectum; c) Orbicule showing very finely granular surface; d) Pollen wall showing short columellae, well-developed punctate tectum and slightly thinner foot layer; e–h) Pollen grains showing punctate tectum and the folds associated with the irregular development of the colpi. Specimen, TV44-S174565 (holotype; a–h). Scale bars 300 Μm (a), 6 Μm (b, e–h), 3 Μm (c, d)." figureDoi="http://doi.org/10.5281/zenodo.5386377" httpUri="https://zenodo.org/record/5386377/files/figure.png" pageId="80" pageNumber="233">Text-fig. 52a–h</figureCitation>
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).
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</paragraph>
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<paragraph id="8B806D06BF5FC253CE29B10EE2BF1B03" blockId="80.[843,1479,1850,1907]" box="[881,1479,1850,1875]" pageId="80" pageNumber="233">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="8B806D06BF5FC253CE13B16EE3E91B22" blockId="80.[843,1479,1850,1907]" box="[843,1169,1883,1907]" pageId="80" pageNumber="233">PFN000496 (for new species).</paragraph>
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<paragraph id="8B806D06BF5FC253CE29B1BEE3501BB2" blockId="80.[843,1482,1930,2019]" pageId="80" pageNumber="233">
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<materialsCitation id="3B57675BBF5FC253CE29B1BEE35C1BB2" collectionCode="R" country="Sweden" county="Swedish Museum of Natural History" location="Palaeobotanical Collections" municipality="Department of Palaeobiology" pageId="80" pageNumber="233" specimenCount="1" stateProvince="Stockholm">
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<collectionCode id="ED2EF5C3BF5FC253CE29B1BEE4FB1BF3" box="[881,899,1931,1954]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="80" pageNumber="233">R</collectionCode>
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e p o s i t o r y.
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,
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<collectingMunicipality id="6BE4F77CBF5FC253C817B1BEE37B1B92" pageId="80" pageNumber="233">Department of Palaeobiology</collectingMunicipality>
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, the
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<collectingCounty id="62E1158ABF5FC253C96FB19EE2BE1B92" box="[1079,1478,1963,1987]" pageId="80" pageNumber="233">Swedish Museum of Natural History</collectingCounty>
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,
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,
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<collectingCountry id="F3282D96BF5FC253CE94B1FEE35C1BB2" box="[972,1060,1995,2019]" name="Sweden" pageId="80" pageNumber="233">Sweden</collectingCountry>
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.
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</paragraph>
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<paragraph id="8B806D06BF5FC253CE29B1C9E31F1462" blockId="80.[843,1482,2043,2100]" pageId="80" pageNumber="233">E t y m o l o g y. From Latin: punctatus referring to fine perforations of the tectum.</paragraph>
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<caption id="DF403D8EBF5EC252CD25B3C1E4B61A87" ID-DOI="http://doi.org/10.5281/zenodo.5386373" ID-Zenodo-Dep="5386373" httpUri="https://zenodo.org/record/5386373/files/figure.png" pageId="81" pageNumber="234" startId="81.[125,206,1524,1545]" targetBox="[125,1440,151,1503]" targetPageId="81">
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<paragraph id="8B806D06BF5EC252CD25B3C1E4B61A87" blockId="81.[125,1440,1524,1750]" pageId="81" pageNumber="234">
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Text-fig. 51. Scanning electron microscope (SEM) images of tricolpate pollen of
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<taxonomicName id="4C3F1685BF5EC252CE95B3C1E3C41A58" authority="Friis & Crane & Pedersen, 2019" authorityName="Friis & Crane & Pedersen" authorityYear="2019" box="[973,1212,1524,1545]" class="Magnoliopsida" family="Schisandraceae" genus="Mcdougallia" kingdom="Plantae" order="Austrobaileyales" pageId="81" pageNumber="234" phylum="Tracheophyta" rank="species" species="irregularis" status="gen. et sp. nov.">
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<emphasis id="B94BB114BF5EC252CE95B3C1E3C41A58" bold="true" box="[973,1212,1524,1545]" italics="true" pageId="81" pageNumber="234">Mcdougallia irregularis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2780C6FBF5EC252C99EB3C1E21C1A58" box="[1222,1380,1524,1545]" pageId="81" pageNumber="234" rank="species">gen. et sp. nov.</taxonomicNameLabel>
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from a stamen fragment; Torres Vedras locality, Portugal. a) Holotype; stamen fragment that yielded the pollen in this Text-figure; b) Polar view of tricolpate pollen grain showing the continuous psilate tectum in the apocolpium and the poorly developed discontinuous foveolate-reticulate tectum in the mesocolpial areas, note irregular fold in tectum wall (arrowhead); c) Equatorial view of pollen grain showing the discontinuous tectum in the mesocolpial areas; d) Pollen grains showing variably developed tectum, colpi with a finely granular aperture membrane and the folds (arrowheads) associated with the irregular development of the colpi; e) Orbicule showing faintly striate surface; f) Pollen wall showing very short columellae, thin tectum and thin foot layer. Specimen, TV44-S148215 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e, f).
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</paragraph>
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</caption>
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<paragraph id="8B806D06BF5EC252CDC8B13AE5901B77" blockId="81.[106,744,1806,1862]" box="[144,744,1806,1831]" pageId="81" pageNumber="234">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="8B806D06BF5EC252CD32B11AE6AD1B17" blockId="81.[106,744,1806,1862]" box="[106,469,1837,1862]" pageId="81" pageNumber="234">
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Forca;
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<geoCoordinate id="EE0B0BC1BF5EC252CDEDB118E6451B17" box="[181,317,1837,1862]" degrees="39" direction="north" minutes="06" orientation="latitude" pageId="81" pageNumber="234" precision="15" seconds="13" value="39.10361">39°06′13″ N</geoCoordinate>
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,
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<geoCoordinate id="EE0B0BC1BF5EC252CC10B118E6B11B17" box="[328,457,1837,1862]" degrees="9" direction="west" minutes="14" orientation="longitude" pageId="81" pageNumber="234" 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="8B806D06BF5EC252CDC8B16BE7851BE4" blockId="81.[106,745,1885,1973]" pageId="81" pageNumber="234">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="8B806D06BF5EC252CDC8B1F8E6951BB4" blockId="81.[144,493,1996,2021]" box="[144,493,1996,2021]" pageId="81" pageNumber="234">D i a g n o s i s. As for the genus.</paragraph>
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<paragraph id="8B806D06BF5EC252CDC8B1C9E6891465" blockId="81.[106,744,2043,2100]" pageId="81" pageNumber="234">D i m e n s i o n s. Length of pollen grains: about 29 µm; width of pollen grains: about 21 µm.</paragraph>
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<paragraph id="8B806D06BF5EC250CE02B13AE6881DC2" blockId="81.[820,1460,1806,2100]" lastBlockId="83.[106,745,151,403]" lastPageId="83" lastPageNumber="236" pageId="81" pageNumber="234">
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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.
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<taxonomicName id="4C3F1685BF5EC252C98FB13BE2CB1B77" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityYear="2019" box="[1239,1459,1806,1830]" class="Magnoliopsida" family="Schisandraceae" genus="Samylinaea" kingdom="Plantae" order="Austrobaileyales" pageId="81" pageNumber="234" phylum="Tracheophyta" rank="species" species="punctata">
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<emphasis id="B94BB114BF5EC252C98FB13BE2CB1B77" box="[1239,1459,1806,1830]" italics="true" pageId="81" pageNumber="234">Samylinaea punctata</emphasis>
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</taxonomicName>
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is based on a single pollen clump comprising only one kind of pollen. It is probably a fragment of a stamen (
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<figureCitation id="13047183BF5EC252C844B164E2D01B38" box="[1308,1448,1873,1897]" captionStart="Text-fig" captionStartId="82.[147,228,1827,1848]" captionTargetBox="[149,1463,151,1803]" captionTargetId="figure-27@82.[736,1467,630,1209]" captionTargetPageId="82" captionText="Text-fig. 52. Scanning electron microscope (SEM) images of tricolpate pollen of Samylinaea punctata gen. et sp. nov from a pollen clump; Torres Vedras locality, Portugal. a) Pollen clump (probable stamen fragment) that yielded the pollen in this Text-figure; b) Polar view of pollen grain showing two colpi, granular aperture membrane, and punctate tectum; c) Orbicule showing very finely granular surface; d) Pollen wall showing short columellae, well-developed punctate tectum and slightly thinner foot layer; e–h) Pollen grains showing punctate tectum and the folds associated with the irregular development of the colpi. Specimen, TV44-S174565 (holotype; a–h). Scale bars 300 Μm (a), 6 Μm (b, e–h), 3 Μm (c, d)." figureDoi="http://doi.org/10.5281/zenodo.5386377" httpUri="https://zenodo.org/record/5386377/files/figure.png" pageId="81" pageNumber="234">Text-fig. 52a</figureCitation>
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||
). The pollen is of medium size, prolate, with polar axis about 29 µm long and about 21 µm wide at the equator (
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<figureCitation id="13047183BF5EC252C800B1A0E4F51B9E" captionStart="Text-fig" captionStartId="82.[147,228,1827,1848]" captionTargetBox="[149,1463,151,1803]" captionTargetId="figure-27@82.[736,1467,630,1209]" captionTargetPageId="82" captionText="Text-fig. 52. Scanning electron microscope (SEM) images of tricolpate pollen of Samylinaea punctata gen. et sp. nov from a pollen clump; Torres Vedras locality, Portugal. a) Pollen clump (probable stamen fragment) that yielded the pollen in this Text-figure; b) Polar view of pollen grain showing two colpi, granular aperture membrane, and punctate tectum; c) Orbicule showing very finely granular surface; d) Pollen wall showing short columellae, well-developed punctate tectum and slightly thinner foot layer; e–h) Pollen grains showing punctate tectum and the folds associated with the irregular development of the colpi. Specimen, TV44-S174565 (holotype; a–h). Scale bars 300 Μm (a), 6 Μm (b, e–h), 3 Μm (c, d)." figureDoi="http://doi.org/10.5281/zenodo.5386377" httpUri="https://zenodo.org/record/5386377/files/figure.png" pageId="81" pageNumber="234">Text-fig. 52b, e, g</figureCitation>
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). The basic arrangement of the apertures is tricolpate, but their arrangement exhibits unusual variation. The colpi are long, reaching almost to the poles (
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<figureCitation id="13047183BF5EC252C98EB1CFE2051443" box="[1238,1405,2042,2066]" captionStart="Text-fig" captionStartId="82.[147,228,1827,1848]" captionTargetBox="[149,1463,151,1803]" captionTargetId="figure-27@82.[736,1467,630,1209]" captionTargetPageId="82" captionText="Text-fig. 52. Scanning electron microscope (SEM) images of tricolpate pollen of Samylinaea punctata gen. et sp. nov from a pollen clump; Torres Vedras locality, Portugal. a) Pollen clump (probable stamen fragment) that yielded the pollen in this Text-figure; b) Polar view of pollen grain showing two colpi, granular aperture membrane, and punctate tectum; c) Orbicule showing very finely granular surface; d) Pollen wall showing short columellae, well-developed punctate tectum and slightly thinner foot layer; e–h) Pollen grains showing punctate tectum and the folds associated with the irregular development of the colpi. Specimen, TV44-S174565 (holotype; a–h). Scale bars 300 Μm (a), 6 Μm (b, e–h), 3 Μm (c, d)." figureDoi="http://doi.org/10.5281/zenodo.5386377" httpUri="https://zenodo.org/record/5386377/files/figure.png" pageId="81" pageNumber="234">Text-fig. 52b, g</figureCitation>
|
||
) and are often irregular and appear branched (
|
||
<figureCitation id="13047183BF5EC252C9B0BE29E2DF1465" box="[1256,1447,2076,2100]" captionStart="Text-fig" captionStartId="82.[147,228,1827,1848]" captionTargetBox="[149,1463,151,1803]" captionTargetId="figure-27@82.[736,1467,630,1209]" captionTargetPageId="82" captionText="Text-fig. 52. Scanning electron microscope (SEM) images of tricolpate pollen of Samylinaea punctata gen. et sp. nov from a pollen clump; Torres Vedras locality, Portugal. a) Pollen clump (probable stamen fragment) that yielded the pollen in this Text-figure; b) Polar view of pollen grain showing two colpi, granular aperture membrane, and punctate tectum; c) Orbicule showing very finely granular surface; d) Pollen wall showing short columellae, well-developed punctate tectum and slightly thinner foot layer; e–h) Pollen grains showing punctate tectum and the folds associated with the irregular development of the colpi. Specimen, TV44-S174565 (holotype; a–h). Scale bars 300 Μm (a), 6 Μm (b, e–h), 3 Μm (c, d)." figureDoi="http://doi.org/10.5281/zenodo.5386377" httpUri="https://zenodo.org/record/5386377/files/figure.png" pageId="81" pageNumber="234">Text-fig. 52e, f, h</figureCitation>
|
||
). The exine is tectate-punctate, and columellate with short columellae (
|
||
<figureCitation id="13047183BF5CC250CDA8B68DE6F91C81" box="[240,385,184,208]" captionStart="Text-fig" captionStartId="82.[147,228,1827,1848]" captionTargetBox="[149,1463,151,1803]" captionTargetId="figure-27@82.[736,1467,630,1209]" captionTargetPageId="82" captionText="Text-fig. 52. Scanning electron microscope (SEM) images of tricolpate pollen of Samylinaea punctata gen. et sp. nov from a pollen clump; Torres Vedras locality, Portugal. a) Pollen clump (probable stamen fragment) that yielded the pollen in this Text-figure; b) Polar view of pollen grain showing two colpi, granular aperture membrane, and punctate tectum; c) Orbicule showing very finely granular surface; d) Pollen wall showing short columellae, well-developed punctate tectum and slightly thinner foot layer; e–h) Pollen grains showing punctate tectum and the folds associated with the irregular development of the colpi. Specimen, TV44-S174565 (holotype; a–h). Scale bars 300 Μm (a), 6 Μm (b, e–h), 3 Μm (c, d)." figureDoi="http://doi.org/10.5281/zenodo.5386377" httpUri="https://zenodo.org/record/5386377/files/figure.png" pageId="83" pageNumber="236">Text-fig. 52d</figureCitation>
|
||
). The tectum and the infratectal columellate layer are of almost equal thickness, each about 0.3–0.4 µm thick, while the foot layer is slightly thinner. The colpus margin is distinct and the colpus membrane coarsely verrucate (
|
||
<figureCitation id="13047183BF5CC250CD83B70FE6C71D03" box="[219,447,314,339]" captionStart="Text-fig" captionStartId="82.[147,228,1827,1848]" captionTargetBox="[149,1463,151,1803]" captionTargetId="figure-27@82.[736,1467,630,1209]" captionTargetPageId="82" captionText="Text-fig. 52. Scanning electron microscope (SEM) images of tricolpate pollen of Samylinaea punctata gen. et sp. nov from a pollen clump; Torres Vedras locality, Portugal. a) Pollen clump (probable stamen fragment) that yielded the pollen in this Text-figure; b) Polar view of pollen grain showing two colpi, granular aperture membrane, and punctate tectum; c) Orbicule showing very finely granular surface; d) Pollen wall showing short columellae, well-developed punctate tectum and slightly thinner foot layer; e–h) Pollen grains showing punctate tectum and the folds associated with the irregular development of the colpi. Specimen, TV44-S174565 (holotype; a–h). Scale bars 300 Μm (a), 6 Μm (b, e–h), 3 Μm (c, d)." figureDoi="http://doi.org/10.5281/zenodo.5386377" httpUri="https://zenodo.org/record/5386377/files/figure.png" pageId="83" pageNumber="236">Text-fig. 52b, e, g, h</figureCitation>
|
||
). Small, spherical orbicules with a finely granular surface occur abundantly on the surface of the pollen grains (
|
||
<figureCitation id="13047183BF5CC250CC18B74EE69C1DC2" box="[320,484,379,403]" captionStart="Text-fig" captionStartId="82.[147,228,1827,1848]" captionTargetBox="[149,1463,151,1803]" captionTargetId="figure-27@82.[736,1467,630,1209]" captionTargetPageId="82" captionText="Text-fig. 52. Scanning electron microscope (SEM) images of tricolpate pollen of Samylinaea punctata gen. et sp. nov from a pollen clump; Torres Vedras locality, Portugal. a) Pollen clump (probable stamen fragment) that yielded the pollen in this Text-figure; b) Polar view of pollen grain showing two colpi, granular aperture membrane, and punctate tectum; c) Orbicule showing very finely granular surface; d) Pollen wall showing short columellae, well-developed punctate tectum and slightly thinner foot layer; e–h) Pollen grains showing punctate tectum and the folds associated with the irregular development of the colpi. Specimen, TV44-S174565 (holotype; a–h). Scale bars 300 Μm (a), 6 Μm (b, e–h), 3 Μm (c, d)." figureDoi="http://doi.org/10.5281/zenodo.5386377" httpUri="https://zenodo.org/record/5386377/files/figure.png" pageId="83" pageNumber="236">Text-fig. 52c, h</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="DF403D8EBF5DC251CDCBB116E4BD1B9A" ID-DOI="http://doi.org/10.5281/zenodo.5386377" ID-Zenodo-Dep="5386377" httpUri="https://zenodo.org/record/5386377/files/figure.png" pageId="82" pageNumber="235" startId="82.[147,228,1827,1848]" targetBox="[149,1463,151,1803]" targetPageId="82">
|
||
<paragraph id="8B806D06BF5DC251CDCBB116E4BD1B9A" blockId="82.[147,1463,1827,1995]" pageId="82" pageNumber="235">
|
||
Text-fig. 52. Scanning electron microscope (SEM) images of tricolpate pollen of
|
||
<taxonomicName id="4C3F1685BF5DC251CE99B116E3E91B69" authority="Friis & Crane & Pedersen, 2019" authorityName="Friis & Crane & Pedersen" authorityYear="2019" box="[961,1169,1827,1848]" class="Magnoliopsida" family="Schisandraceae" genus="Samylinaea" kingdom="Plantae" order="Austrobaileyales" pageId="82" pageNumber="235" phylum="Tracheophyta" rank="species" species="punctata" status="gen. et sp. nov">
|
||
<emphasis id="B94BB114BF5DC251CE99B116E3E91B69" bold="true" box="[961,1169,1827,1848]" italics="true" pageId="82" pageNumber="235">Samylinaea punctata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2780C6FBF5DC251C9CFB116E2501B69" box="[1175,1320,1827,1848]" pageId="82" pageNumber="235" rank="species">gen. et sp. nov</taxonomicNameLabel>
|
||
from a pollen clump; Torres Vedras locality, Portugal. a) Pollen clump (probable stamen fragment) that yielded the pollen in this Text-figure; b) Polar view of pollen grain showing two colpi, granular aperture membrane, and punctate tectum; c) Orbicule showing very finely granular surface; d) Pollen wall showing short columellae, well-developed punctate tectum and slightly thinner foot layer; e–h) Pollen grains showing punctate tectum and the folds associated with the irregular development of the colpi. Specimen, TV44-S174565 (holotype; a–h). Scale bars 300 Μm (a), 6 Μm (b, e–h), 3 Μm (c, d).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B806D06BF5CC250CDC8B79EE5C21FFB" blockId="83.[106,745,427,938]" pageId="83" pageNumber="236">
|
||
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. Currently
|
||
<taxonomicName id="4C3F1685BF5CC250CD32B7FEE6331DB2" authorityName="Friis & Crane & Pedersen" authorityYear="2019" box="[106,331,459,483]" class="Magnoliopsida" family="Schisandraceae" genus="Samylinaea" kingdom="Plantae" order="Austrobaileyales" pageId="83" pageNumber="236" phylum="Tracheophyta" rank="species" species="punctata">
|
||
<emphasis id="B94BB114BF5CC250CD32B7FEE6331DB2" box="[106,331,459,483]" italics="true" pageId="83" pageNumber="236">Samylinaea punctata</emphasis>
|
||
</taxonomicName>
|
||
is known only from the Torres Vedras site. The triaperturate pollen grains clearly indicate a relationship to eudicots. Pollen of
|
||
<taxonomicName id="4C3F1685BF5CC250CF58B439E5901E75" authorityName="Friis & Crane & Pedersen" authorityYear="2019" box="[512,744,524,548]" class="Magnoliopsida" family="Schisandraceae" genus="Samylinaea" kingdom="Plantae" order="Austrobaileyales" pageId="83" pageNumber="236" phylum="Tracheophyta" rank="species" species="punctata">
|
||
<emphasis id="B94BB114BF5CC250CF58B439E5901E75" box="[512,744,524,548]" italics="true" pageId="83" pageNumber="236">Samylinaea punctata</emphasis>
|
||
</taxonomicName>
|
||
shows some similarity with pollen found in situ in the ranunculalean flower
|
||
<emphasis id="B94BB114BF5CC250CC34B47BE5211E34" box="[364,601,589,613]" italics="true" pageId="83" pageNumber="236">Teixeiraea lusitanica</emphasis>
|
||
BALTHAZAR, K.R.PEDERSEN et E.M.FRIIS from the Vale de Água locality (von
|
||
<bibRefCitation id="EFAE10F7BF5CC250CDC7B4BBE6001EF7" author="Balthazar, M. von & Pedersen, K. R. & Friis, E. M." box="[159,376,654,678]" pageId="83" pageNumber="236" pagination="55 - 75" refId="ref72955" refString="Balthazar, M. von, Pedersen, K. R., Friis, E. M. (2005): Teixeiraea lusitanica gen. et sp. nov., a ranunculalean flower from the Early Cretaceous of Portugal. - Plant Systematics and Evolution, 255: 55 - 75. https: // doi. org / 10.1007 / s 00606 - 005 - 0347 - z" type="journal article" year="2005">Balthazar et al. 2005</bibRefCitation>
|
||
), but the pollen grains in
|
||
<emphasis id="B94BB114BF5CC250CF21B4BAE7AB1E96" italics="true" pageId="83" pageNumber="236">Teixeiraea lusitanica</emphasis>
|
||
flowers are smaller, lack the irregular folds, and have larger perforations in the tectum and orbicules that are smaller with a central depression. Tricolpate pollen with tectate-perforate pollen wall and very long colpi resembling the pollen of
|
||
<taxonomicName id="4C3F1685BF5CC250CDA6B504E6981F19" authorityName="Friis & Crane & Pedersen" authorityYear="2019" box="[254,480,817,841]" class="Magnoliopsida" family="Schisandraceae" genus="Samylinaea" kingdom="Plantae" order="Austrobaileyales" pageId="83" pageNumber="236" phylum="Tracheophyta" rank="species" species="punctata">
|
||
<emphasis id="B94BB114BF5CC250CDA6B504E6981F19" box="[254,480,817,841]" italics="true" pageId="83" pageNumber="236">Samylinaea punctata</emphasis>
|
||
</taxonomicName>
|
||
was described from the mid-Aptian-mid-Albian of
|
||
<collectingCountry id="F3282D96BF5CC250CCD0B567E6B01F3B" box="[392,456,850,874]" name="Egypt" pageId="83" pageNumber="236">Egypt</collectingCountry>
|
||
as Punctitri-Fineret (
|
||
<bibRefCitation id="EFAE10F7BF5CC250CFFCB564E7DA1FDB" author="Penny, J. H. J." pageId="83" pageNumber="236" pagination="31 - 88" refId="ref81495" refString="Penny, J. H. J. (1991): Early Cretaceous angiosperm pollen from the borehole Mersa Matruh 1, North West Desert, Egypt. - Palaeontographica, B, 222: 31 - 88." type="journal article" year="1991">Penny 1991</bibRefCitation>
|
||
), but this pollen
|
||
<typeStatus id="5484D3A4BF5CC250CC3CB547E6EA1FDB" box="[356,402,882,906]" pageId="83" pageNumber="236">type</typeStatus>
|
||
is distinguished by its smaller size and larger perforations (foveolate-microreticulate).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |