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<document id="E6B958DC5B1C888F1796F0A4943089F9" 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. &amp; Pedersen, Kaj Raunsgaard" docDate="2019" docId="0396DC10BF4BC247CD94B742E2E71DDE" 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="Juhaszia portugallica E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN 2019, sp. nov." docType="treatment" docVersion="5" lastPageNumber="221" 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="221" updateTime="1699221227565" updateUser="plazi" zenodo-license-document="CC-BY-NC-ND-3.0">
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<mods:title id="9BE434DF9482B7A430177C87019C8490">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="562359BD01BCF8BF365516357A83ABBA">Friis, Else Marie</mods:namePart>
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<heading id="D0C8DA6ABF4BC247CD94B742E5331DE1" centered="true" fontSize="8" level="2" pageId="68" pageNumber="221" reason="2">
<emphasis id="B94BB114BF4BC247CD94B742E5331DE1" bold="true" pageId="68" pageNumber="221">
<taxonomicName id="4C3F1685BF4BC247CD94B742E6961DFF" 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="Chloranthaceae" genus="Juhaszia" kingdom="Plantae" order="Chloranthales" pageId="68" pageNumber="221" phylum="Tracheophyta" rank="species" species="portugallica" status="sp. nov.">
<emphasis id="B94BB114BF4BC247CD94B742E6C21DDE" bold="true" box="[204,442,375,399]" italics="true" pageId="68" pageNumber="221">Juhaszia portugallica</emphasis>
E.M.FRIIS, P.R.CRANE et K.R.PEDERSEN
</taxonomicName>
<taxonomicNameLabel id="A2780C6FBF4BC247CCADB7ADE5331DE1" box="[501,587,408,432]" pageId="68" pageNumber="221" rank="species">sp. nov.</taxonomicNameLabel>
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<paragraph id="8B806D06BF4BC247CC37B782E5681D81" blockId="68.[367,528,439,464]" box="[367,528,439,464]" pageId="68" pageNumber="221">
<figureCitation id="13047183BF4BC247CC37B782E5681D81" box="[367,528,439,464]" captionStart="Text-fig" captionStartId="69.[125,206,1887,1908]" captionTargetBox="[127,1440,151,1865]" captionTargetId="figure-17@69.[660,1444,643,1287]" captionTargetPageId="69" captionText="Text-fig. 44. Scanning electron microscope (SEM) images of monocolpate pollen of Juhaszia portugallica gen. et sp. nov. from a fragment of a pollen sac (ae) and stamen fragment and pollen of Dictyozonia pusilla gen. et sp. nov. (fk); Torres Vedras locality, Portugal. a) Holotype; fragment of pollen sac that yielded the pollen in (be); b) Proximal surface of pollen grain showing reticulate sculpture in the equatorial regions grading into more a continuous foveolate tectum at the proximal pole; c) Reticulum on the proximal surface showing smooth muri delimiting large and small luminae. Muri supported by numerous short columellae that are only loosely attached to the smooth surface of the foot layer; d) Distal surface of pollen grain showing the long colpus and reticulate sculpture with a distinctive pattern of large and small luminae; e) Pollen grain from which the reticulum has become" figureDoi="http://doi.org/10.5281/zenodo.5386351" httpUri="https://zenodo.org/record/5386351/files/figure.png" pageId="68" pageNumber="221">Text-fig. 44ae</figureCitation>
</paragraph>
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<subSubSection id="C3253E8DBF4BC247CDFEB7D2E2E71DDE" pageId="68" pageNumber="221" type="description">
<paragraph id="8B806D06BF4BC247CDFEB7D2E6861E4E" blockId="68.[129,768,487,543]" pageId="68" pageNumber="221">
H o l o t y p e. Designated here. S136671 (Torres Vedras sample 44; figured
<figureCitation id="13047183BF4BC247CC15B432E68B1E4E" box="[333,499,519,543]" captionStart="Text-fig" captionStartId="69.[125,206,1887,1908]" captionTargetBox="[127,1440,151,1865]" captionTargetId="figure-17@69.[660,1444,643,1287]" captionTargetPageId="69" captionText="Text-fig. 44. Scanning electron microscope (SEM) images of monocolpate pollen of Juhaszia portugallica gen. et sp. nov. from a fragment of a pollen sac (ae) and stamen fragment and pollen of Dictyozonia pusilla gen. et sp. nov. (fk); Torres Vedras locality, Portugal. a) Holotype; fragment of pollen sac that yielded the pollen in (be); b) Proximal surface of pollen grain showing reticulate sculpture in the equatorial regions grading into more a continuous foveolate tectum at the proximal pole; c) Reticulum on the proximal surface showing smooth muri delimiting large and small luminae. Muri supported by numerous short columellae that are only loosely attached to the smooth surface of the foot layer; d) Distal surface of pollen grain showing the long colpus and reticulate sculpture with a distinctive pattern of large and small luminae; e) Pollen grain from which the reticulum has become" figureDoi="http://doi.org/10.5281/zenodo.5386351" httpUri="https://zenodo.org/record/5386351/files/figure.png" pageId="68" pageNumber="221">Text-fig. 44ae</figureCitation>
).
</paragraph>
<paragraph id="8B806D06BF4BC247CDFEB403E5851E1C" blockId="68.[129,765,566,622]" box="[166,765,566,590]" pageId="68" pageNumber="221">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>
<paragraph id="8B806D06BF4BC247CDD9B463E6BF1E3F" blockId="68.[129,765,566,622]" box="[129,455,598,622]" pageId="68" pageNumber="221">PFN000482 (for new species).</paragraph>
<paragraph id="8B806D06BF4BC247CDFEB4B0E6251E8C" blockId="68.[129,768,645,733]" pageId="68" pageNumber="221">
<materialsCitation id="3B57675BBF4BC247CDFEB4B0E6211E8C" collectionCode="R" country="Sweden" county="Swedish Museum of Natural History" location="Palaeobotanical Collections" municipality="Department of Palaeobiology" pageId="68" pageNumber="221" specimenCount="1" stateProvince="Stockholm">
<collectionCode id="ED2EF5C3BF4BC247CDFEB4B0E7C01ECD" box="[166,184,645,668]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="68" pageNumber="221">R</collectionCode>
e p o s i t o r y.
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,
<collectingMunicipality id="6BE4F77CBF4BC247CFDDB4B0E6411EEC" pageId="68" pageNumber="221">Department of Palaeobiology</collectingMunicipality>
, the
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,
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,
<collectingCountry id="F3282D96BF4BC247CC59B4F0E6211E8C" box="[257,345,709,733]" name="Sweden" pageId="68" pageNumber="221">Sweden</collectingCountry>
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.
</paragraph>
<paragraph id="8B806D06BF4BC247CDFEB4C0E7841F7D" blockId="68.[129,767,756,812]" pageId="68" pageNumber="221">
E t y m o l o g y. From
<collectingCountry id="F3282D96BF4BC247CCF9B4C1E6831F5D" box="[417,507,756,780]" name="Portugal" pageId="68" pageNumber="221">Portugal</collectingCountry>
where the fossils were discovered.
</paragraph>
<paragraph id="8B806D06BF4BC247CDFEB571E5871F0A" blockId="68.[129,767,835,891]" box="[166,767,835,860]" pageId="68" pageNumber="221">T y p e l o c a l i t y. Torres Vedras (NE of Forte de</paragraph>
<paragraph id="8B806D06BF4BC247CDD9B551E6941F2A" blockId="68.[129,767,835,891]" box="[129,492,866,891]" pageId="68" pageNumber="221">
Forca;
<geoCoordinate id="EE0B0BC1BF4BC247CD93B557E62C1F2A" box="[203,340,866,891]" degrees="39" direction="north" minutes="06" orientation="latitude" pageId="68" pageNumber="221" precision="15" seconds="13" value="39.10361">39°0613″ N</geoCoordinate>
,
<geoCoordinate id="EE0B0BC1BF4BC247CC06B557E6981F2A" box="[350,480,866,891]" degrees="9" direction="west" minutes="14" orientation="longitude" pageId="68" pageNumber="221" precision="15" seconds="47" value="-9.246389">9°1447″ W</geoCoordinate>
).
</paragraph>
<paragraph id="8B806D06BF4BC247CDFEB5A6E66C1FBB" blockId="68.[129,768,914,1002]" pageId="68" pageNumber="221">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>
<paragraph id="8B806D06BF4BC247CDFEB237E57C184B" blockId="68.[166,516,1025,1050]" box="[166,516,1025,1050]" pageId="68" pageNumber="221">D i a g n o s i s. As for the genus.</paragraph>
<paragraph id="8B806D06BF4BC247CDFEB204E5871818" blockId="68.[129,767,1072,1129]" box="[166,767,1072,1097]" pageId="68" pageNumber="221">D i m e n s i o n s. Length of pollen grains: about 23</paragraph>
<paragraph id="8B806D06BF4BC247CDD9B264E7B51838" blockId="68.[129,767,1072,1129]" box="[129,205,1105,1129]" pageId="68" pageNumber="221">24 µm.</paragraph>
<paragraph id="8B806D06BF4BC247CDFEB2B5E5CB1B49" blockId="68.[128,768,1152,1816]" pageId="68" pageNumber="221">
D e s c r i p t i o n a n d r e m a r k s. Pollen of
<taxonomicName id="4C3F1685BF4BC247CFFAB2B5E67C18E9" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityYear="2019" class="Magnoliopsida" family="Chloranthaceae" genus="Juhaszia" kingdom="Plantae" order="Chloranthales" pageId="68" pageNumber="221" phylum="Tracheophyta" rank="species" species="portugallica">
<emphasis id="B94BB114BF4BC247CFFAB2B5E67C18E9" italics="true" pageId="68" pageNumber="221">Juhaszia portugallica</emphasis>
</taxonomicName>
occurs in an elongate clump composed of a single kind of pollen grain, and may be a fragment of an anther, or perhaps a coprolite (
<figureCitation id="13047183BF4BC247CC86B2D5E50918A9" box="[478,625,1248,1272]" captionStart="Text-fig" captionStartId="69.[125,206,1887,1908]" captionTargetBox="[127,1440,151,1865]" captionTargetId="figure-17@69.[660,1444,643,1287]" captionTargetPageId="69" captionText="Text-fig. 44. Scanning electron microscope (SEM) images of monocolpate pollen of Juhaszia portugallica gen. et sp. nov. from a fragment of a pollen sac (ae) and stamen fragment and pollen of Dictyozonia pusilla gen. et sp. nov. (fk); Torres Vedras locality, Portugal. a) Holotype; fragment of pollen sac that yielded the pollen in (be); b) Proximal surface of pollen grain showing reticulate sculpture in the equatorial regions grading into more a continuous foveolate tectum at the proximal pole; c) Reticulum on the proximal surface showing smooth muri delimiting large and small luminae. Muri supported by numerous short columellae that are only loosely attached to the smooth surface of the foot layer; d) Distal surface of pollen grain showing the long colpus and reticulate sculpture with a distinctive pattern of large and small luminae; e) Pollen grain from which the reticulum has become" figureDoi="http://doi.org/10.5281/zenodo.5386351" httpUri="https://zenodo.org/record/5386351/files/figure.png" pageId="68" pageNumber="221">Text-fig. 44a</figureCitation>
). The pollen grains are small, almost circular in equatorial outline, and monocolpate. The colpus is long, extending for the full length of the grains. The exine is semitectate-reticulate and columellate (
<figureCitation id="13047183BF4BC247CC55B355E6CF1929" box="[269,439,1376,1400]" captionStart="Text-fig" captionStartId="69.[125,206,1887,1908]" captionTargetBox="[127,1440,151,1865]" captionTargetId="figure-17@69.[660,1444,643,1287]" captionTargetPageId="69" captionText="Text-fig. 44. Scanning electron microscope (SEM) images of monocolpate pollen of Juhaszia portugallica gen. et sp. nov. from a fragment of a pollen sac (ae) and stamen fragment and pollen of Dictyozonia pusilla gen. et sp. nov. (fk); Torres Vedras locality, Portugal. a) Holotype; fragment of pollen sac that yielded the pollen in (be); b) Proximal surface of pollen grain showing reticulate sculpture in the equatorial regions grading into more a continuous foveolate tectum at the proximal pole; c) Reticulum on the proximal surface showing smooth muri delimiting large and small luminae. Muri supported by numerous short columellae that are only loosely attached to the smooth surface of the foot layer; d) Distal surface of pollen grain showing the long colpus and reticulate sculpture with a distinctive pattern of large and small luminae; e) Pollen grain from which the reticulum has become" figureDoi="http://doi.org/10.5281/zenodo.5386351" httpUri="https://zenodo.org/record/5386351/files/figure.png" pageId="68" pageNumber="221">Text-fig. 44be</figureCitation>
). The reticulum is heteropolar and heterobrochate. Lumina are largest in the equatorial region and decrease in size towards the proximal pole where the reticulum is microreticulate (
<figureCitation id="13047183BF4BC247CF6EB3F5E5B11989" box="[566,713,1472,1496]" captionStart="Text-fig" captionStartId="69.[125,206,1887,1908]" captionTargetBox="[127,1440,151,1865]" captionTargetId="figure-17@69.[660,1444,643,1287]" captionTargetPageId="69" captionText="Text-fig. 44. Scanning electron microscope (SEM) images of monocolpate pollen of Juhaszia portugallica gen. et sp. nov. from a fragment of a pollen sac (ae) and stamen fragment and pollen of Dictyozonia pusilla gen. et sp. nov. (fk); Torres Vedras locality, Portugal. a) Holotype; fragment of pollen sac that yielded the pollen in (be); b) Proximal surface of pollen grain showing reticulate sculpture in the equatorial regions grading into more a continuous foveolate tectum at the proximal pole; c) Reticulum on the proximal surface showing smooth muri delimiting large and small luminae. Muri supported by numerous short columellae that are only loosely attached to the smooth surface of the foot layer; d) Distal surface of pollen grain showing the long colpus and reticulate sculpture with a distinctive pattern of large and small luminae; e) Pollen grain from which the reticulum has become" figureDoi="http://doi.org/10.5281/zenodo.5386351" httpUri="https://zenodo.org/record/5386351/files/figure.png" pageId="68" pageNumber="221">Text-fig. 44b</figureCitation>
). On the distal face lumina are only slightly smaller than lumina in the equatorial parts of the grains, but are smaller close to the colpus margin. The muri are smooth with a slightly flattened to rounded profile and are supported by short, scattered columellae (
<figureCitation id="13047183BF4BC247CC37B055E5781A29" box="[367,512,1632,1656]" captionStart="Text-fig" captionStartId="69.[125,206,1887,1908]" captionTargetBox="[127,1440,151,1865]" captionTargetId="figure-17@69.[660,1444,643,1287]" captionTargetPageId="69" captionText="Text-fig. 44. Scanning electron microscope (SEM) images of monocolpate pollen of Juhaszia portugallica gen. et sp. nov. from a fragment of a pollen sac (ae) and stamen fragment and pollen of Dictyozonia pusilla gen. et sp. nov. (fk); Torres Vedras locality, Portugal. a) Holotype; fragment of pollen sac that yielded the pollen in (be); b) Proximal surface of pollen grain showing reticulate sculpture in the equatorial regions grading into more a continuous foveolate tectum at the proximal pole; c) Reticulum on the proximal surface showing smooth muri delimiting large and small luminae. Muri supported by numerous short columellae that are only loosely attached to the smooth surface of the foot layer; d) Distal surface of pollen grain showing the long colpus and reticulate sculpture with a distinctive pattern of large and small luminae; e) Pollen grain from which the reticulum has become" figureDoi="http://doi.org/10.5281/zenodo.5386351" httpUri="https://zenodo.org/record/5386351/files/figure.png" pageId="68" pageNumber="221">Text-fig. 44c</figureCitation>
). The colpus margin is distinct with the reticulum continuing to the margin, and the margin formed by the continuing marginal muri. The reticulum loosens easily from the foot layer and several naked grains, which expose the smooth surface of the foot layer, are present in the pollen clump (
<figureCitation id="13047183BF4BC247CF41B135E5DF1B49" box="[537,679,1792,1816]" captionStart="Text-fig" captionStartId="69.[125,206,1887,1908]" captionTargetBox="[127,1440,151,1865]" captionTargetId="figure-17@69.[660,1444,643,1287]" captionTargetPageId="69" captionText="Text-fig. 44. Scanning electron microscope (SEM) images of monocolpate pollen of Juhaszia portugallica gen. et sp. nov. from a fragment of a pollen sac (ae) and stamen fragment and pollen of Dictyozonia pusilla gen. et sp. nov. (fk); Torres Vedras locality, Portugal. a) Holotype; fragment of pollen sac that yielded the pollen in (be); b) Proximal surface of pollen grain showing reticulate sculpture in the equatorial regions grading into more a continuous foveolate tectum at the proximal pole; c) Reticulum on the proximal surface showing smooth muri delimiting large and small luminae. Muri supported by numerous short columellae that are only loosely attached to the smooth surface of the foot layer; d) Distal surface of pollen grain showing the long colpus and reticulate sculpture with a distinctive pattern of large and small luminae; e) Pollen grain from which the reticulum has become" figureDoi="http://doi.org/10.5281/zenodo.5386351" httpUri="https://zenodo.org/record/5386351/files/figure.png" pageId="68" pageNumber="221">Text-fig. 44e</figureCitation>
).
</paragraph>
<paragraph id="8B806D06BF4BC247CDFEB11AE2E71DDE" blockId="68.[128,768,1839,2087]" lastBlockId="68.[843,1482,152,399]" pageId="68" pageNumber="221">
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. Subtle grading of the reticulum into finer regions at the distal pole is known for pollen grains described from the Potomac Group sediments (
<bibRefCitation id="EFAE10F7BF4BC247CDA2B1BAE5741BF6" author="Walker, J. W. &amp; Walker, A. G." box="[250,524,1935,1959]" pageId="68" pageNumber="221" pagination="203 - 217" refId="ref84179" refString="Walker, J. W., Walker, A. G. (1986): Ultrastructure of Early Cretaceous angiosperm pollen and its evolutionary im- plications. - In: Blackmore, S., Ferguson, I. K. (eds), Pollen and Spores: Form and Function. Academic Press, London, pp. 203 - 217." type="book chapter" year="1986">Walker and Walker 1986</bibRefCitation>
) and has been used to compare the fossil grains with pollen of extant monocots. The grains from the Potomac Group differ from those of
<taxonomicName id="4C3F1685BF4BC247CDF9B1DAE6F51456" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityYear="2019" box="[161,397,2031,2055]" class="Magnoliopsida" family="Chloranthaceae" genus="Juhaszia" kingdom="Plantae" order="Chloranthales" pageId="68" pageNumber="221" phylum="Tracheophyta" rank="species" species="portugallica">
<emphasis id="B94BB114BF4BC247CDF9B1DAE6F51456" box="[161,397,2031,2055]" italics="true" pageId="68" pageNumber="221">Juhaszia portugallica</emphasis>
</taxonomicName>
in their finer reticulum and very short columellae. Grains of
<taxonomicName id="4C3F1685BF4BC247CCF0BE3AE5E81476" authorityName="E. M. FRIIS, P. R. CRANE et K. R. PEDERSEN" authorityYear="2019" box="[424,656,2063,2087]" class="Magnoliopsida" family="Chloranthaceae" genus="Juhaszia" kingdom="Plantae" order="Chloranthales" pageId="68" pageNumber="221" phylum="Tracheophyta" rank="species" species="portugallica">
<emphasis id="B94BB114BF4BC247CCF0BE3AE5E81476" box="[424,656,2063,2087]" italics="true" pageId="68" pageNumber="221">Juhaszia portugallica</emphasis>
</taxonomicName>
also show some similarity to grains assigned to the genus
<emphasis id="B94BB114BF4BC247C811B6ADE2BA1CE1" box="[1353,1474,152,176]" italics="true" pageId="68" pageNumber="221">Similipollis</emphasis>
, but pollen of these two genera differs in the pattern of the grading (see Comments on the genus). Grading of the reticulum that forms a microreticulate-foveolate region at the proximal pole is also know for the pollen associated with
<taxonomicName id="4C3F1685BF4BC247CEDBB70DE2E01D1F" authority="E. M. FRIIS, K. R. PEDERSEN et P. R. CRANE" authorityName="E. M. FRIIS, K. R. PEDERSEN et P. R. CRANE" box="[899,1432,312,336]" class="Insecta" family="Pyralidae" genus="Anacostia" kingdom="Animalia" order="Lepidoptera" pageId="68" pageNumber="221" phylum="Arthropoda" rank="genus">
<emphasis id="B94BB114BF4BC247CEDBB70DE4961D1E" box="[899,1006,312,335]" italics="true" pageId="68" pageNumber="221">Anacostia</emphasis>
E.M.FRIIS, K.R.PEDERSEN et P.R.CRANE
</taxonomicName>
, but
<taxonomicName id="4C3F1685BF4BC247CE13B76DE4CE1D3E" box="[843,950,344,367]" class="Insecta" family="Pyralidae" genus="Anacostia" kingdom="Animalia" order="Lepidoptera" pageId="68" pageNumber="221" phylum="Arthropoda" rank="genus">
<emphasis id="B94BB114BF4BC247CE13B76DE4CE1D3E" box="[843,950,344,367]" italics="true" pageId="68" pageNumber="221">Anacostia</emphasis>
</taxonomicName>
pollen grains are trichotomocolpate and also have a microreticulate-foveolate zone bordering the aperture.
</paragraph>
</subSubSection>
</treatment>
</document>