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<document id="54423677673AB38ED89057A43AB35F89" ID-DOI="10.5281/zenodo.5376998" ID-ISSN="1638-9395" ID-Zenodo-Dep="5376998" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630282458735" checkinUser="marcus" docAuthor="Sakala, Jakub" docDate="2000" docId="038D87B71530666245B6FED1FBB8FA97" docLanguage="en" docName="Geodiversitas.2000.22.4.493-507.pdf" docOrigin="Geodiversitas 22 (4)" docStyle="DocumentStyle:94524207C6714CF92F879FE43E306202.3:Geodiversitas.2000-2008.journal_article.type2" docStyleId="94524207C6714CF92F879FE43E306202" docStyleName="Geodiversitas.2000-2008.journal_article.type2" docStyleVersion="3" docTitle="Dichrostachyoxylon zirkelii Muller-Stoll &amp; Madel" docType="treatment" docVersion="3" lastPageNumber="498" masterDocId="FFB4FFCF153466674507FFB2FFDEFFA5" masterDocTitle="Silicified angiosperm wood from the Dangu locality (Ypresian of the Gisors region, Eure, France) - final part: the problem of palaeoclimate reconstruction based on fossil wood" masterLastPageNumber="507" masterPageNumber="493" pageNumber="497" updateTime="1699212886837" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title id="724750CE35E8A4247FA2A3C779AD1129">Silicified angiosperm wood from the Dangu locality (Ypresian of the Gisors region, Eure, France) - final part: the problem of palaeoclimate reconstruction based on fossil wood</mods:title>
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<mods:name id="CF82CB9A9C7D7AC8690EEFE7B4669E98" type="personal">
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<mods:namePart id="913E670A16712314F7412C9A744AAFFE">Sakala, Jakub</mods:namePart>
<mods:affiliation id="16D4BE704F2D39223E502235B1FBAA6C">Paléobotanique et Paléoécologie, Université Pierre et Marie Curie, 12 rue Cuvier, F- 75005 Paris (France) Jakub. Sakala @ snv. jussieu. fr Department of Palaeontology, Charles University, Albertov 6, 128 43 Praha 2 (Czech Republic) rade @ prfdec. natur. cuni. cz</mods:affiliation>
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<mods:title id="777154857717A24500F5D0D92D669D1D">Geodiversitas</mods:title>
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<mods:date id="053592EA9B5AB4E17AAB4081522832FE">2000</mods:date>
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<treatment id="038D87B71530666245B6FED1FBB8FA97" LSID="urn:lsid:plazi:treatment:038D87B71530666245B6FED1FBB8FA97" httpUri="http://treatment.plazi.org/id/038D87B71530666245B6FED1FBB8FA97" lastPageId="5" lastPageNumber="498" pageId="4" pageNumber="497">
<subSubSection id="C33E652A1530666345B6FED1FE12FE18" pageId="4" pageNumber="497" type="nomenclature">
<paragraph id="8B9B36A11530666345B6FED1FE12FE18" blockId="4.[177,582,355,445]" pageId="4" pageNumber="497">
<heading id="D0D381CD1530666345B6FED1FE12FE18" centered="true" fontSize="11" level="2" pageId="4" pageNumber="497" reason="2">
<taxonomicName id="4C244D221530666345B6FED1FE2DFE3B" authority="(Felix) Muller-Stoll &amp; Madel" authorityName="Muller-Stoll &amp; Madel" baseAuthorityName="Felix" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="4" pageNumber="497" phylum="Tracheophyta" rank="species" species="zirkelii">
<emphasis id="B950EAB31530666345B6FED1FE5DFEDB" bold="true" box="[177,387,355,382]" italics="true" pageId="4" pageNumber="497">Dichrostachyoxylon</emphasis>
cf.
<emphasis id="B950EAB31530666344ABFED1FE27FEDB" bold="true" box="[428,505,355,382]" italics="true" pageId="4" pageNumber="497">zirkelii</emphasis>
(Felix) Müller-Stoll &amp; Mädel
</taxonomicName>
(
<figureCitation id="131F2A24153066634435FE11FEABFE18" box="[306,373,419,445]" captionStart="FIG" captionStartId="5.[113,124,1037,1054]" captionTargetBox="[115,1201,223,998]" captionTargetId="figure-256@5.[106,1205,196,1013]" captionTargetPageId="5" captionText="FIG. 3. — Dichrostachyoxylon cf. zirkelii (SY7), cross-section. Abbreviations: F, fibres; PCM, circummedullar parenchym; PV, vasicentric parenchyma; R, rays; V, vessels. Scale bar: 200 µm." figureDoi="http://doi.org/10.5281/zenodo.5377004" httpUri="https://zenodo.org/record/5377004/files/figure.png" pageId="4" pageNumber="497">Figs 3</figureCitation>
;
<figureCitation id="131F2A24153066634485FE11FE1AFE18" box="[386,452,419,445]" captionStart="FIG" captionStartId="7.[115,126,989,1006]" captionTargetBox="[124,1206,205,949]" captionTargetId="figure-242@7.[124,1206,205,949]" captionTargetPageId="7" captionText="FIG. 5. — A, Dichrostachyoxylon cf. zirkelii (SY7), cross-section; B, Anogeissus sp. (W4), cross-section; C, Dichrostachyoxylon cf. zirkelii (SY7), tangential section; D, Anogeissus sp. (W4), tangential section, detail of a septate fibre (septum indicated by the arrow); E, Anogeissus sp. (W4), tangential section, general view. Scale bars: A, B, 500 µm; C, 100 µm; D, 50 µm; E, 200 µm." figureDoi="http://doi.org/10.5281/zenodo.5377008" httpUri="https://zenodo.org/record/5377008/files/figure.png" pageId="4" pageNumber="497">5A, C</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C33E652A153066634576FDBEFBECFCE3" pageId="4" pageNumber="497" type="description">
<paragraph id="8B9B36A1153066634576FDBEFEDCFD81" blockId="4.[113,647,524,1703]" box="[113,258,524,550]" pageId="4" pageNumber="497">DESCRIPTION</paragraph>
<paragraph id="8B9B36A1153066634576FD9FFE41FD03" blockId="4.[113,647,524,1703]" pageId="4" pageNumber="497">The growth rings are slightly distinct to the naked eye (emphasized by secondary mineralization), but they are hardly noticeable under the microscope. The wood is diffuse porous.</paragraph>
<paragraph id="8B9B36A1153066634576FD1FFF2DFB02" blockId="4.[113,647,524,1703]" pageId="4" pageNumber="497">
The vessels are solitary (60%) and in radial multiples of 2 (23%), 3 (10%) or 4 (7%),
<quantity id="4CDC9B44153066634710FD7FFD9CFD42" box="[535,578,717,743]" metricMagnitude="-1" metricUnit="m" metricValue="2.286" pageId="4" pageNumber="497" unit="in" value="9.0">9 in</quantity>
number (13-14 pores) per mm
<superScript id="7C519BE9153066634488FD5AFE47FD5E" attach="left" box="[399,409,744,763]" fontSize="8" pageId="4" pageNumber="497">2</superScript>
, rounded to elliptical in section, very often deformed (radially elongated). The tangential diameter varies from 36 to 153 µm, with a mean of 83 µm; the radial diameter varies from 70 to 190 µm. The wall thickness varies from 7 to 12 µm. The vessel elements are 237-328 µm long, with simple perforation plates. The intervascular pits are bordered, alternate, quite dense, circular to elliptical, horizontally elongate, from 2.5 to 12 µm in diameter according to the longest axis, 2.5-4.5 µm in diameter according to the shortest axis and with an aperture from 1 to 8 µm in diameter. They appear to be vestured.
</paragraph>
<paragraph id="8B9B36A1153066634576FB1FFF2EF982" blockId="4.[113,647,524,1703]" pageId="4" pageNumber="497">
The fibres are quadrangular in cross section. They
<taxonomicName id="4C244D221530666345BEFB7FFE8FFB42" box="[185,337,1229,1255]" form="regular" pageId="4" pageNumber="497" rank="form">form regular</taxonomicName>
radial lines of two to six fibres between two rays. Their mean tangential and radial diameters vary from 4.5 to 14 µm. Fibre pits are not visible. Two fibres
<typeStatus id="549F880315306663471AFA9EFD88FAE3" box="[541,598,1324,1350]" pageId="4" pageNumber="497">types</typeStatus>
can be distinguished: 1) thin-walled (walls 1-2.5 µm thick) in which the lumen in cross section represents 75% of the fibre diameter; 2) thickwalled (walls about 4.5 µm thick) in which the lumen in cross section represents 20% of the diameter. The arrangement of both fibre
<typeStatus id="549F880315306663474AFA5EFD58F9A3" box="[589,646,1516,1542]" pageId="4" pageNumber="497">types</typeStatus>
is irregular.
</paragraph>
<paragraph id="8B9B36A1153066634576F99FFC26FEA3" blockId="4.[113,647,524,1703]" lastBlockId="4.[676,1210,204,839]" pageId="4" pageNumber="497">The axial parenchyma is apotracheal, forming tangential circummedullar bands and paratracheal (vasicentric, slightly aliform, very rarely confluent). The cell dimensions (tangential diameter × radial diameter × cell height) are: 7- 21 µm × 6-46 µm × 35-51 µm.</paragraph>
<paragraph id="8B9B36A11530666347A3FEBFFBECFCE3" blockId="4.[676,1210,204,839]" pageId="4" pageNumber="497">
The rays seem to be homogeneous (such as they appear in the tangential section, the radial section is not available) or slightly heterogeneous. They are uni- and multiseriate (
<typeStatus id="549F88031530666346CFFEDFFC24FE22" box="[968,1018,365,391]" pageId="4" pageNumber="497">type</typeStatus>
1 or slightly 3 of Metcalfe &amp; Chalk 1989: 23), one to four cells wide (mostly bi- to triseriate), with 12-19 rays per one horizontal mm in tangential section. The uniseriate rays are made up of weakly vertically elongate cells. These cells are also present at the extremities of the multiseriate rays, forming unicellular endings, while the body of the multiseriate rays is constituted of rather flattened cells. The height of the uniseriate rays varies from two to ten cells (48-231 µm), their width varies from 7.5- 18 µm. The multiseriate rays are 15-40 µm wide, their height varies from 4 to 18 cells (66-333 µm). In tangential section, the cell dimensions (height × width) are 7.5-60 µm × 5.5-18 µm.
</paragraph>
</subSubSection>
<subSubSection id="C33E652A1530666247A3FCDEFBB8FA97" lastPageId="5" lastPageNumber="498" pageId="4" pageNumber="497" type="discussion">
<paragraph id="8B9B36A11530666347A3FCDEFCF8FC21" blockId="4.[676,1210,876,1703]" box="[676,806,876,902]" pageId="4" pageNumber="497">DISCUSSION</paragraph>
<paragraph id="8B9B36A11530666347A3FC3FFBEAFAE2" blockId="4.[676,1210,876,1703]" pageId="4" pageNumber="497">
The most characteristic features of the studied wood are the following: wood diffuse porous; vessels solitary (60%) or in radial multiples of 2, 3 or 4 (very rarely of 5), composed of very short elements; small vessel pits (from 2.5 to 11.5 µm) which seem vestured; axial parenchyma vasicentric, slightly aliform, and very rarely confluent, or in tangential bands; rays homogeneous, 1-4 seriate, very short and thin. These features point to the
<taxonomicName id="4C244D221530666347A3FB1FFD29FB62" box="[676,759,1197,1223]" class="Magnoliopsida" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="4" pageNumber="497" phylum="Tracheophyta" rank="order">Fabales</taxonomicName>
, especially to the families
<taxonomicName id="4C244D22153066634108FB1FFB64FB62" box="[1039,1210,1197,1223]" class="Magnoliopsida" family="Caesalpiniaceae" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="4" pageNumber="497" phylum="Tracheophyta" rank="family">Caesalpiniaceae</taxonomicName>
and
<taxonomicName id="4C244D221530666347D1FB7FFBC5FB42" authority="(Louvet 1976)" baseAuthorityName="Louvet" baseAuthorityYear="1976" box="[726,1051,1229,1255]" class="Magnoliopsida" family="Mimosaceae" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="4" pageNumber="497" phylum="Tracheophyta" rank="family">Mimosaceae (Louvet 1976)</taxonomicName>
. Storied rays, which would have placed the fossil wood nearer to the family
<taxonomicName id="4C244D22153066634623FABFFC51FA82" box="[804,911,1293,1319]" class="Magnoliopsida" family="Fabaceae" kingdom="Plantae" order="Fabales" pageId="4" pageNumber="497" phylum="Tracheophyta" rank="family">Fabaceae</taxonomicName>
or some
<taxonomicName id="4C244D221530666346FBFABFFC66FAE2" authority="(Metcalfe &amp; Chalk 1950)" baseAuthorityName="Metcalfe &amp; Chalk" baseAuthorityYear="1950" class="Magnoliopsida" family="Caesalpiniaceae" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="4" pageNumber="497" phylum="Tracheophyta" rank="family">Caesalpiniaceae (Metcalfe &amp; Chalk 1950)</taxonomicName>
, are absent.
</paragraph>
<paragraph id="8B9B36A11530666347A3FAFFFB67F903" blockId="4.[676,1210,876,1703]" pageId="4" pageNumber="497">
The first report of leguminous wood of Dangu appears in Koeniguer
<emphasis id="B950EAB315306663469DFADEFC0FFA23" box="[922,977,1388,1414]" italics="true" pageId="4" pageNumber="497">et al.</emphasis>
(1985), although its affinity is not discussed. Based on the work done by Müller-Stoll &amp; Mädel (1967), our fossil can be assigned to the genus
<taxonomicName id="4C244D221530666346DEFA7EFC7BF9A2" authority="Muller-Stoll &amp; Madel" authorityName="Muller-Stoll &amp; Madel" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="4" pageNumber="497" phylum="Tracheophyta" rank="genus">
<emphasis id="B950EAB31530666346DEFA7EFB64FA43" box="[985,1210,1484,1510]" italics="true" pageId="4" pageNumber="497">Dichrostachyoxylon</emphasis>
Müller-Stoll &amp; Mädel
</taxonomicName>
(Müller-Stoll &amp; Mädel 1967: 138). Among the species described within this genus (see the comparative table in Privé 1970: 200), two are very close:
<taxonomicName id="4C244D221530666346F9F9FEFC40F922" authority="(Felix) Muller-Stoll &amp; Madel" authorityName="Muller-Stoll &amp; Madel" baseAuthorityName="Felix" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="4" pageNumber="497" phylum="Tracheophyta" rank="species" species="zirkelii">
<emphasis id="B950EAB31530666346F9F9FEFBB4F9C3" box="[1022,1130,1612,1638]" italics="true" pageId="4" pageNumber="497">D. zirkelii</emphasis>
(Felix) Müller-Stoll &amp; Mädel
</taxonomicName>
and
<taxonomicName id="4C244D221530666346DEF9DEFD2CF902" authority="Prive. Unlike" authorityName="Prive. Unlike" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="4" pageNumber="497" phylum="Tracheophyta" rank="species" species="royaderum">
<emphasis id="B950EAB31530666346DEF9DEFBAEF923" box="[985,1136,1644,1670]" italics="true" pageId="4" pageNumber="497">D. royaderum</emphasis>
Privé. Unlike
</taxonomicName>
our fossil,
<taxonomicName id="4C244D2215306663467EF93EFC30F903" box="[889,1006,1676,1702]" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="4" pageNumber="497" phylum="Tracheophyta" rank="species" species="zirkelii">
<emphasis id="B950EAB315306663467EF93EFC30F903" box="[889,1006,1676,1702]" italics="true" pageId="4" pageNumber="497">D. zirkelii</emphasis>
</taxonomicName>
has more porous
</paragraph>
<paragraph id="8B9B36A1153166624705FF7EFDCFFF45" blockId="5.[514,529,204,224]" box="[514,529,204,224]" pageId="5" pageNumber="498">R</paragraph>
<caption id="DF5B6629153166624576FBBFFDBCFB96" ID-DOI="http://doi.org/10.5281/zenodo.5377004" ID-Zenodo-Dep="5377004" httpUri="https://zenodo.org/record/5377004/files/figure.png" pageId="5" pageNumber="498" startId="5.[113,124,1037,1054]" targetBox="[115,1201,223,998]" targetPageId="5">
<paragraph id="8B9B36A1153166624576FBBFFDBCFB96" blockId="5.[113,1209,975,1076]" pageId="5" pageNumber="498">
FIG. 3. —
<taxonomicName id="4C244D221531666245C2FBBFFE65FBBA" box="[197,443,1037,1055]" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="species" species="zirkelii">
<emphasis id="B950EAB31531666245C2FBBFFEB9FBBA" box="[197,359,1037,1055]" italics="true" pageId="5" pageNumber="498">Dichrostachyoxylon</emphasis>
cf.
<emphasis id="B950EAB315316662448EFBBFFE65FBBA" box="[393,443,1037,1055]" italics="true" pageId="5" pageNumber="498">zirkelii</emphasis>
</taxonomicName>
(SY7), cross-section. Abbreviations:
<emphasis id="B950EAB31531666247F2FBBFFCDEFBBA" bold="true" box="[757,768,1037,1055]" pageId="5" pageNumber="498">F</emphasis>
, fibres;
<emphasis id="B950EAB3153166624641FBBEFCAFFBBB" bold="true" box="[838,881,1036,1054]" pageId="5" pageNumber="498">PCM</emphasis>
, circummedullar parenchym;
<emphasis id="B950EAB315316662416AFBBFFB5BFBBA" bold="true" box="[1133,1157,1037,1055]" pageId="5" pageNumber="498">PV</emphasis>
, vasicentric parenchyma;
<emphasis id="B950EAB3153166624426FB90FEF0FB91" bold="true" box="[289,302,1058,1076]" pageId="5" pageNumber="498">R</emphasis>
, rays;
<emphasis id="B950EAB3153166624461FB90FEACFB91" bold="true" box="[358,370,1058,1076]" pageId="5" pageNumber="498">V</emphasis>
, vessels. Scale bar: 200 µm.
</paragraph>
</caption>
<paragraph id="8B9B36A1153166624576FBDFFE28FA22" blockId="5.[113,646,1131,1703]" pageId="5" pageNumber="498">
wood with larger vessels, whereas
<taxonomicName id="4C244D221531666244ECFBDEFDA0FB20" box="[491,638,1131,1157]" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="species" species="royaderum">
<emphasis id="B950EAB31531666244ECFBDEFDA0FB20" box="[491,638,1131,1157]" italics="true" pageId="5" pageNumber="498">D. royaderum</emphasis>
</taxonomicName>
, described by Privé (1970), has fewer vessels, which are less frequently grouped. Another fossil species, described as
<taxonomicName id="4C244D22153166624454FB7EFDBDFB43" box="[339,611,1228,1254]" class="Magnoliopsida" family="Fabaceae" genus="Leguminoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="species" species="sahabiense">
<emphasis id="B950EAB3153166624454FB7EFDBDFB43" box="[339,611,1228,1254]" italics="true" pageId="5" pageNumber="498">Leguminoxylon sahabiense</emphasis>
</taxonomicName>
by Louvet (1976), is similar to both species of
<taxonomicName id="4C244D22153166624576FABEFE9CFA83" box="[113,322,1292,1318]" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="genus">
<emphasis id="B950EAB3153166624576FABEFE9CFA83" box="[113,322,1292,1318]" italics="true" pageId="5" pageNumber="498">Dichrostachyoxylon</emphasis>
</taxonomicName>
mentioned above, and is in fact a species of the genus
<taxonomicName id="4C244D2215316662448EFA9EFD91FAE3" box="[393,591,1324,1350]" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="genus">
<emphasis id="B950EAB315316662448EFA9EFD91FAE3" box="[393,591,1324,1350]" italics="true" pageId="5" pageNumber="498">Dichrostachyoxylon</emphasis>
</taxonomicName>
. It is also similar to our fossil, except for its lower ray density and markedly bigger vessels.
</paragraph>
<paragraph id="8B9B36A1153166624576FA3FFB5BFB42" blockId="5.[113,646,1131,1703]" lastBlockId="5.[676,1209,1131,1255]" pageId="5" pageNumber="498">
Therefore we propose: 1) to transfer the species
<taxonomicName id="4C244D22153166624576FA1EFE36FA63" authority="Louvet" authorityName="Louvet" box="[113,488,1452,1478]" class="Magnoliopsida" family="Fabaceae" genus="Leguminoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="species" species="sahabiense">
<emphasis id="B950EAB3153166624576FA1EFE4FFA63" box="[113,401,1452,1478]" italics="true" pageId="5" pageNumber="498">Leguminoxylon sahabiense</emphasis>
Louvet
</taxonomicName>
to
<taxonomicName id="4C244D22153166624714FA1EFF06FA43" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="genus">
<emphasis id="B950EAB3153166624714FA1EFF06FA43" italics="true" pageId="5" pageNumber="498">Dichrostachyoxylon</emphasis>
</taxonomicName>
, because its species diagnose (Louvet 1976: 82) fits entirely that of
<taxonomicName id="4C244D221531666244B8FA5EFDD8F982" authority="(Muller-Stoll &amp; Madel 1967: 138)" baseAuthorityName="Muller-Stoll &amp; Madel" baseAuthorityPageNumber="138" baseAuthorityYear="1967" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="genus">
<emphasis id="B950EAB31531666244B8FA5EFD58F9A3" box="[447,646,1516,1542]" italics="true" pageId="5" pageNumber="498">Dichrostachyoxylon</emphasis>
(Müller-Stoll &amp; Mädel 1967: 138)
</taxonomicName>
:
<taxonomicName id="4C244D22153166624714F9BEFDCDF9E2" authority="(Louvet, 1976)" authorityName="Sakala" authorityYear="2000" baseAuthorityName="Louvet" baseAuthorityYear="2000" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="species" species="sahabiense" status="comb. nov.">
<emphasis id="B950EAB3153166624714F9BEFE87F9E3" italics="true" pageId="5" pageNumber="498">Dichrostachyoxylon sahabiense</emphasis>
(Louvet, 1976)
</taxonomicName>
<taxonomicNameLabel id="A26357C8153166624719F99EFD58F9E2" box="[542,646,1580,1607]" pageId="5" pageNumber="498" rank="species">n. comb.</taxonomicNameLabel>
(1976 –
<taxonomicName id="4C244D221531666245D4F9FEFD58F9C2" authority="Louvet, Actes" authorityName="Louvet, Actes" box="[211,646,1612,1639]" class="Magnoliopsida" family="Fabaceae" genus="Leguminoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="species" species="sahabiense">
<emphasis id="B950EAB31531666245D4F9FEFE39F9C3" box="[211,487,1612,1638]" italics="true" pageId="5" pageNumber="498">Leguminoxylon sahabiense</emphasis>
Louvet, Actes
</taxonomicName>
97
<superScript id="7C519BE915316662458AF9DAFF4BF9DE" attach="left" box="[141,149,1640,1659]" fontSize="8" pageId="5" pageNumber="498">e</superScript>
Cong. nat. Soc. sav., Nantes, 1972, sci. 4: 82, pl. 1, figs 1; 2, text-fig. 1 [basionym]); and 2) to call our fossil wood
<taxonomicName id="4C244D22153166624678FBD9FC25FB02" authority="(Felix) Muller-Stoll &amp; Madel" authorityName="Muller-Stoll &amp; Madel" baseAuthorityName="Felix" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="species" species="zirkelii">
<emphasis id="B950EAB3153166624678FBD9FB98FB20" box="[895,1094,1131,1157]" italics="true" pageId="5" pageNumber="498">Dichrostachyoxylon</emphasis>
cf.
<emphasis id="B950EAB3153166624177FBD9FB67FB20" box="[1136,1209,1131,1157]" italics="true" pageId="5" pageNumber="498">zirkelii</emphasis>
(Felix) Müller-Stoll &amp; Mädel
</taxonomicName>
, pointing to the species
<taxonomicName id="4C244D221531666247F3FB1EFCBEFB60" box="[756,864,1195,1221]" class="Magnoliopsida" family="Fabaceae" genus="Dichrostachyoxylon" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="species" species="zirkelii">
<emphasis id="B950EAB31531666247F3FB1EFCBEFB60" box="[756,864,1195,1221]" italics="true" pageId="5" pageNumber="498">D. zirkelii</emphasis>
</taxonomicName>
as the nearest and most similar, but not identical species to the Dangu fossil.
</paragraph>
<paragraph id="8B9B36A11531666247F0FAABFBB8FA97" blockId="5.[759,1126,1304,1362]" box="[759,1126,1304,1331]" pageId="5" pageNumber="498">
Family
<taxonomicName id="4C244D2215316662464EFAABFBB8FA97" authority="R. Brown" authorityName="R. Brown" box="[841,1126,1304,1331]" class="Magnoliopsida" family="Combretaceae" kingdom="Plantae" order="Myrtales" pageId="5" pageNumber="498" phylum="Tracheophyta" rank="family">COMBRETACEAE R. Brown</taxonomicName>
</paragraph>
</subSubSection>
</treatment>
</document>
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