234 lines
26 KiB
XML
234 lines
26 KiB
XML
<document id="45CC67B32951242E33A81152E4D99AA5" ID-DOI="10.3853/j.0067-1975.55.2003.1387" ID-ISSN="2201-4349" ID-Zenodo-Dep="10092612" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629578461805" checkinUser="felipe" docAuthor="Rickards, R. B., Chapman, A. J., Wright, A. J. & Packham, G. H" docDate="2003" docId="039E87A3F937FFA173A940AB9CFDE659" docLanguage="en" docName="RecAustMus.55.3.305-330.pdf" docOrigin="Records of the Australian Museum 55 (3)" docSource="https://journals.australian.museum/rickards-et-al-2003-rec-aust-mus-553-305330/" docStyle="DocumentStyle:7863F7301B7BEE922F541F6F9B5AEEC6.2:RecAustMus.2008-2018.journal_article.0cover" docStyleId="7863F7301B7BEE922F541F6F9B5AEEC6" docStyleName="RecAustMus.2008-2018.journal_article.0cover" docStyleVersion="2" docTitle="Dictyonema venustum , Lapworth 1881" docType="treatment" docVersion="5" lastPageNumber="316" masterDocId="FFA7FFDBF93DFFAA7009443B9D31E021" masterDocTitle="Dendroid and Tuboid Graptolites from the Llandovery (Silurian) of the Four Mile Creek Area, New South Wales" masterLastPageNumber="330" masterPageNumber="305" pageNumber="315" updateTime="1699558698250" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title id="991B48AD3A98063F6525D57A2AA134BC">Dendroid and Tuboid Graptolites from the Llandovery (Silurian) of the Four Mile Creek Area, New South Wales</mods:title>
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<mods:namePart id="E31F3C046A4FEE9C19FB1E5328DF51B9">Rickards, R. B.</mods:namePart>
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<mods:namePart id="2EF3D6166FA68EA26B16CED2E71AE64A">Chapman, A. J.</mods:namePart>
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<mods:namePart id="B0C2027A7B487B75B73CF89D56B044AC">Wright, A. J.</mods:namePart>
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<mods:namePart id="ADE034C1C1505497C057F263D295D867">Packham, G. H</mods:namePart>
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<mods:date id="41856B70FC48BB3A873B316B754C0E17">2003</mods:date>
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<treatment id="039E87A3F937FFA173A940AB9CFDE659" LSID="urn:lsid:plazi:treatment:039E87A3F937FFA173A940AB9CFDE659" httpUri="http://treatment.plazi.org/id/039E87A3F937FFA173A940AB9CFDE659" lastPageId="11" lastPageNumber="316" pageId="10" pageNumber="315">
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<subSubSection id="C32D653EF937FFA073A940AB9853E489" box="[928,1378,1168,1192]" pageId="10" pageNumber="315" type="nomenclature">
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<paragraph id="8B8836B5F937FFA073A940AB9853E489" blockId="10.[928,1378,1168,1192]" box="[928,1378,1168,1192]" pageId="10" pageNumber="315">
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<heading id="D0C081D9F937FFA073A940AB9853E489" box="[928,1378,1168,1192]" centered="true" fontSize="11" level="2" pageId="10" pageNumber="315" reason="2">
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<taxonomicName id="4C374D36F937FFA073A940AB9853E489" authority="Lapworth, 1881" authorityName=", Lapworth" authorityYear="1881" box="[928,1378,1168,1192]" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="10" pageNumber="315" phylum="Basidiomycota" rank="species" species="venustum">
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<emphasis id="B943EAA7F937FFA073A940AB9853E489" bold="true" box="[928,1378,1168,1192]" pageId="10" pageNumber="315">
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<emphasis id="B943EAA7F937FFA073A940AB9991E489" bold="true" box="[928,1184,1168,1192]" italics="true" pageId="10" pageNumber="315">Dictyonema venustum</emphasis>
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<bibRefCitation id="EFA64B44F937FFA074AF40AB9853E489" author="Lapworth" box="[1190,1378,1168,1192]" firstAuthor="Lapworth" pageId="10" pageNumber="315" pagination="171 - 177" refId="ref18509" refString="Lapworth, C., 1881. On the Cladophora (Hopk) or dendroid graptolites collected by Prof. Keeping in the Llandovery rocks of Mid Wales. Quarterly Journal of the Geological Society of London 37: 171 - 177." type="journal article" year="1881">Lapworth, 1881</bibRefCitation>
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</emphasis>
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||
</taxonomicName>
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</heading>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C32D653EF937FFA07402408699B9E56F" pageId="10" pageNumber="315" type="description">
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||
<paragraph id="8B8836B5F937FFA07402408699D8E4F5" blockId="10.[1035,1257,1213,1236]" box="[1035,1257,1213,1236]" pageId="10" pageNumber="315">
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||
<figureCitation id="130C2A30F937FFA074024086995CE4F5" box="[1035,1133,1213,1236]" captionStart="Fig" captionStartId="9.[121,158,1008,1029]" captionTargetBox="[102,748,135,982]" captionTargetId="figure-670@9.[98,748,135,982]" captionTargetPageId="9" captionText="Fig. 7. A, Dictyonema venustum, AM F114751, BF28; B, Dictyonema williamsae n.sp., holotype AM F114565, W885; C– E, Dictyonema jenkinsi n.sp., respectively AM F114747, F14, holotype AM F114716, BF24; and AM F114761, F14, holdfast region attached to roughly circular object, possibly a pebble; F,G, Dictyonema paululum australis n.subsp., AM F114757, parts of holotype,BF14.Scale bars 1 mm;on B hatching indicatesspecimen obscured by sediment, stipple indicates badly preserved area, and horizontal shading indicates fractures in rock." figureDoi="http://doi.org/10.5281/zenodo.10092624" httpUri="https://zenodo.org/record/10092624/files/figure.png" pageId="10" pageNumber="315">Figs. 7A</figureCitation>
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,
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<figureCitation id="130C2A30F937FFA07471408699ADE4F5" box="[1144,1180,1213,1236]" captionStart="Fig" captionStartId="11.[121,156,886,907]" captionTargetBox="[121,748,151,861]" captionTargetId="figure-10@11.[121,749,151,861]" captionTargetPageId="11" captionText="Fig. 9. A–E, illustrating contrasting stipe and dissepimental patterns in distal parts of colonies: A, Dictyonema cf. delicatulum, AM F114749; B, Dictyonema williamsae n.sp.,AM F114565,holotype; C, Dictyonemafalciferum,AM F114750; D, Dictyonemavenustum, AM F114648a, F14; E, Dictyonema paululum australis n.subsp., holotype AM F114757. Scale bars 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092628" httpUri="https://zenodo.org/record/10092628/files/figure.png" pageId="10" pageNumber="315">9D</figureCitation>
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,
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<figureCitation id="130C2A30F937FFA074AE408699D8E4F5" box="[1191,1257,1213,1236]" captionStart="Fig" captionStartId="11.[794,830,1037,1058]" captionTargetBox="[771,1421,151,1021]" captionTargetId="figure-522@11.[771,1422,151,1021]" captionTargetPageId="11" captionText="Fig. 10. A, Dictyonema falciferum, AM F114750, F14; B–D, Dictyonema venustum, respectively AM F114648 and AM F114873, both BF14, and AM F114751, BF28. Scale bars 1 mm; arrow on B indicates damaged area discussed in text." figureDoi="http://doi.org/10.5281/zenodo.10092630" httpUri="https://zenodo.org/record/10092630/files/figure.png" pageId="10" pageNumber="315">10B–D</figureCitation>
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</paragraph>
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<paragraph id="8B8836B5F937FFA0734E40D29EFCE538" blockId="10.[839,1455,1257,1358]" pageId="10" pageNumber="315">
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1881
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<taxonomicName id="4C374D36F937FFA0737540D29988E4DF" authority="Lapworth" authorityName=", Lapworth" authorityYear="1881" box="[892,1209,1257,1278]" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="10" pageNumber="315" phylum="Basidiomycota" rank="species" species="venustum">
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<emphasis id="B943EAA7F937FFA0737540D29962E4DF" box="[892,1107,1257,1278]" italics="true" pageId="10" pageNumber="315">Dictyonema venustum</emphasis>
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Lapworth
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</taxonomicName>
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; Lapworth, p. 171–172, pl. 7, fig. 1a–c.
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</paragraph>
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<paragraph id="8B8836B5F937FFA0734E412599B9E56F" blockId="10.[839,1455,1257,1358]" pageId="10" pageNumber="315">
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1928
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<taxonomicName id="4C374D36F937FFA07377412499F5E512" authority=", Lapworth" authorityName=", Lapworth" authorityYear="1881" box="[894,1220,1310,1332]" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="10" pageNumber="315" phylum="Basidiomycota" rank="species" species="venustum">
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<emphasis id="B943EAA7F937FFA0737741249966E515" box="[894,1111,1311,1332]" italics="true" pageId="10" pageNumber="315">Dictyonema venustum</emphasis>
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, Lapworth
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</taxonomicName>
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, emend.; Bulman, p. 61– 63, pl. 5, figs. 6–8, text-fig. 34.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C32D653EF937FFA0734E4151991BE59D" pageId="10" pageNumber="315" type="materials_examined">
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<paragraph id="8B8836B5F937FFA0734E4151991BE59D" blockId="10.[839,1467,1386,1468]" pageId="10" pageNumber="315">
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<emphasis id="B943EAA7F937FFA0734E41519E9AE5A3" bold="true" box="[839,939,1386,1410]" pageId="10" pageNumber="315">Material</emphasis>
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.
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<collectionCode id="ED26AE70F937FFA073BE41519ED3E5A0" box="[951,994,1386,1409]" country="Australia" name="Australian Museum" pageId="10" pageNumber="315" type="Museum">AM</collectionCode>
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F114648a-b,
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<collectionCode id="ED26AE70F937FFA0747E41519993E5A0" box="[1143,1186,1386,1409]" country="Australia" name="Australian Museum" pageId="10" pageNumber="315" type="Museum">AM</collectionCode>
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F114649,
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<collectionCode id="ED26AE70F937FFA0751D4151980EE5A0" box="[1300,1343,1386,1409]" country="Australia" name="Australian Museum" pageId="10" pageNumber="315" type="Museum">AM</collectionCode>
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F114717ab and
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<collectionCode id="ED26AE70F937FFA0738341B39E84E5BE" box="[906,949,1416,1439]" country="Australia" name="Australian Museum" pageId="10" pageNumber="315" type="Museum">AM</collectionCode>
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F114873, all from F14;
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<collectionCode id="ED26AE70F937FFA074CA41B399DFE5BE" box="[1219,1262,1416,1439]" country="Australia" name="Australian Museum" pageId="10" pageNumber="315" type="Museum">AM</collectionCode>
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F114751 from BF 28, all Bridge Creek.
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</paragraph>
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</subSubSection>
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<subSubSection id="C32D653EF937FFA0734E41E29903E6A2" pageId="10" pageNumber="315" type="diagnosis">
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<paragraph id="8B8836B5F937FFA0734E41E29903E6A2" blockId="10.[839,1467,1497,1667]" pageId="10" pageNumber="315">
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<emphasis id="B943EAA7F937FFA0734E41E29E87E5D0" bold="true" box="[839,950,1497,1521]" pageId="10" pageNumber="315">Diagnosis</emphasis>
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. Large
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<taxonomicName id="4C374D36F937FFA0740541E299BFE5D1" authorityName="J. Hall" authorityYear="1851" box="[1036,1166,1497,1520]" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="10" pageNumber="315" phylum="Basidiomycota" rank="genus">
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<emphasis id="B943EAA7F937FFA0740541E299BFE5D1" box="[1036,1166,1497,1520]" italics="true" pageId="10" pageNumber="315">Dictyonema</emphasis>
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</taxonomicName>
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characterized by a striking rectangular meshwork of stipes and fairly robust dissepiments; at least
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<quantity id="4CCF9B50F937FFA073ED422F991FE60A" box="[996,1070,1556,1579]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="10" pageNumber="315" unit="mm" value="30.0">30 mm</quantity>
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long, possibly conical, with irregular stipe branching; stipes
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<quantity id="4CCF9B50F937FFA07456420A998AE669" box="[1119,1211,1585,1608]" metricMagnitude="-1" metricUnit="m" metricValue="3.556" metricValueMax="4.572" metricValueMin="2.54" pageId="10" pageNumber="315" unit="in" value="14.0" valueMax="18.0" valueMin="10.0">10–18 in</quantity>
|
||
<quantity id="4CCF9B50F937FFA074CE420A982FE669" box="[1223,1310,1585,1608]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="315" unit="mm" value="10.0">10 mm</quantity>
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; denticulate autothecae spaced at
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<quantity id="4CCF9B50F937FFA0744C427499AEE647" box="[1093,1183,1615,1638]" metricMagnitude="-1" metricUnit="m" metricValue="6.35" metricValueMax="7.62" metricValueMin="5.08" pageId="10" pageNumber="315" unit="in" value="25.0" valueMax="30.0" valueMin="20.0">20–30 in</quantity>
|
||
<quantity id="4CCF9B50F937FFA074A242749831E647" box="[1195,1280,1615,1638]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="315" unit="mm" value="10.0">10 mm</quantity>
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; dissepimental spacing
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<quantity id="4CCF9B50F937FFA073A842579EE9E6A2" box="[929,984,1644,1667]" metricMagnitude="-1" metricUnit="m" metricValue="1.651" metricValueMax="2.032" metricValueMin="1.27" pageId="10" pageNumber="315" unit="in" value="6.5" valueMax="8.0" valueMin="5.0">5–8 in</quantity>
|
||
<quantity id="4CCF9B50F937FFA073D64257991FE6A2" box="[991,1070,1644,1667]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="315" unit="mm" value="10.0">10 mm</quantity>
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.
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</paragraph>
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||
</subSubSection>
|
||
<subSubSection id="C32D653EF937FFA0734E429B9911E7FD" pageId="10" pageNumber="315" type="description">
|
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<paragraph id="8B8836B5F937FFA0734E429B9911E7FD" blockId="10.[839,1467,1696,2012]" pageId="10" pageNumber="315">
|
||
<emphasis id="B943EAA7F937FFA0734E429B9EFDE699" bold="true" box="[839,972,1696,1720]" pageId="10" pageNumber="315">Description</emphasis>
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. Our largest specimen is a fragment of a large rhabdosome but it is not possible to say whether or not it is conical.A striking rectangular meshwork of stipes and fairly robust dissepiments typifies the colony. Stipes have a lateral width of
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<quantity id="4CCF9B50F937FFA073A0432E9908E70D" box="[937,1081,1813,1836]" metricMagnitude="-4" metricUnit="m" metricValue="2.75" metricValueMax="3.5" metricValueMin="2.0" pageId="10" pageNumber="315" unit="mm" value="0.275" valueMax="0.35" valueMin="0.2">0.20–0.35 mm</quantity>
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||
and a dorsoventral width of about
|
||
<quantity id="4CCF9B50F937FFA0734E43099E9FE768" box="[839,942,1842,1865]" metricMagnitude="-4" metricUnit="m" metricValue="4.0" pageId="10" pageNumber="315" unit="mm" value="0.4">0.40 mm</quantity>
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||
, whereas the dissepimental width is
|
||
<quantity id="4CCF9B50F937FFA0754743099E45E746" metricMagnitude="-4" metricUnit="m" metricValue="1.75" metricValueMax="2.5" metricValueMin="1.0" pageId="10" pageNumber="315" unit="mm" value="0.175" valueMax="0.25" valueMin="0.1">0.10–0.25 mm</quantity>
|
||
. Stipe spacing ranges from
|
||
<quantity id="4CCF9B50F937FFA07495436B99DCE746" box="[1180,1261,1872,1895]" metricMagnitude="-1" metricUnit="m" metricValue="3.556" metricValueMax="4.572" metricValueMin="2.54" pageId="10" pageNumber="315" unit="in" value="14.0" valueMax="18.0" valueMin="10.0">10–18 in</quantity>
|
||
<quantity id="4CCF9B50F937FFA074FD436B9870E746" box="[1268,1345,1872,1895]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="315" unit="mm" value="10.0">10 mm</quantity>
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, the mean being 14–15 and the lower values nearer the proximal end. Stipe branching seems quite irregular. There is a limited amount of anastomosis in the stipe pattern. No bithecae have been detected.
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</paragraph>
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</subSubSection>
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<caption id="DF48663DF936FFA17070474D9F39E431" ID-DOI="http://doi.org/10.5281/zenodo.10092628" ID-Zenodo-Dep="10092628" httpUri="https://zenodo.org/record/10092628/files/figure.png" pageId="11" pageNumber="316" startId="11.[121,156,886,907]" targetBox="[121,748,151,861]" targetPageId="11">
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<paragraph id="8B8836B5F936FFA17070474D9F39E431" blockId="11.[121,749,886,1040]" pageId="11" pageNumber="316">
|
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Fig. 9.
|
||
<emphasis id="B943EAA7F936FFA170B0474D9DE4E3AA" box="[185,213,886,907]" italics="true" pageId="11" pageNumber="316">A–E</emphasis>
|
||
, illustrating contrasting stipe and dissepimental patterns in distal parts of colonies:
|
||
<emphasis id="B943EAA7F936FFA1718247AA9CABE387" box="[395,410,913,934]" italics="true" pageId="11" pageNumber="316">A</emphasis>
|
||
,
|
||
<taxonomicName id="4C374D36F936FFA171A147AA9DB6E3E1" authority=", AM F" authorityName="AM F" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="11" pageNumber="316" phylum="Basidiomycota" rank="species" species="delicatulum">
|
||
<emphasis id="B943EAA7F936FFA171A147AA9F2FE387" box="[424,542,913,934]" italics="true" pageId="11" pageNumber="316">Dictyonema</emphasis>
|
||
cf.
|
||
<emphasis id="B943EAA7F936FFA1724F47AA9F88E387" box="[582,697,913,934]" italics="true" pageId="11" pageNumber="316">delicatulum</emphasis>
|
||
, AM F
|
||
</taxonomicName>
|
||
114749;
|
||
<emphasis id="B943EAA7F936FFA170D547909DDBE3E1" box="[220,234,939,960]" italics="true" pageId="11" pageNumber="316">B</emphasis>
|
||
,
|
||
<taxonomicName id="4C374D36F936FFA170FC47909CE0E3E1" box="[245,465,939,960]" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="11" pageNumber="316" phylum="Basidiomycota" rank="species" species="williamsae" status="sp. nov.">
|
||
<emphasis id="B943EAA7F936FFA170FC47909CE0E3E1" box="[245,465,939,960]" italics="true" pageId="11" pageNumber="316">Dictyonema williamsae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A27057DCF936FFA171DF47909F35E3E1" box="[470,516,939,960]" pageId="11" pageNumber="316" rank="species">n.sp.</taxonomicNameLabel>
|
||
, AM F114565, holotype;
|
||
<emphasis id="B943EAA7F936FFA1707047FD9DB8E3FA" box="[121,137,966,987]" italics="true" pageId="11" pageNumber="316">C</emphasis>
|
||
,
|
||
<taxonomicName id="4C374D36F936FFA1709A47FD9C98E3FA" authority=", AM F" authorityName="AM F" box="[147,425,966,987]" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="11" pageNumber="316" phylum="Basidiomycota" rank="species" species="falciferum">
|
||
<emphasis id="B943EAA7F936FFA1709A47FD9C59E3FA" box="[147,360,966,987]" italics="true" pageId="11" pageNumber="316">Dictyonema falciferum</emphasis>
|
||
, AM F
|
||
</taxonomicName>
|
||
114750;
|
||
<emphasis id="B943EAA7F936FFA171F747FD9F3EE3FA" box="[510,527,966,987]" italics="true" pageId="11" pageNumber="316">D</emphasis>
|
||
,
|
||
<taxonomicName id="4C374D36F936FFA1721047FD9D82E3D4" authority=", AM F" authorityName="AM F" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="11" pageNumber="316" phylum="Basidiomycota" rank="species" species="venustum">
|
||
<emphasis id="B943EAA7F936FFA1721047FD9FD7E3FA" box="[537,742,966,987]" italics="true" pageId="11" pageNumber="316">Dictyonema venustum</emphasis>
|
||
, AM F
|
||
</taxonomicName>
|
||
114648a, F14;
|
||
<emphasis id="B943EAA7F936FFA1714E47DA9C67E3D7" box="[327,342,993,1014]" italics="true" pageId="11" pageNumber="316">E</emphasis>
|
||
,
|
||
<taxonomicName id="4C374D36F936FFA1716847DA9FA0E3D7" box="[353,657,993,1014]" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="11" pageNumber="316" phylum="Basidiomycota" rank="subSpecies" species="paululum" status="subsp. nov." subSpecies="australis">
|
||
<emphasis id="B943EAA7F936FFA1716847DA9FA0E3D7" box="[353,657,993,1014]" italics="true" pageId="11" pageNumber="316">Dictyonema paululum australis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A27057DCF936FFA1729F47DB9FD8E3D4" box="[662,745,992,1013]" pageId="11" pageNumber="316" rank="subSpecies">n.subsp.</taxonomicNameLabel>
|
||
, holotype AM F114757. Scale bars 1 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF48663DF936FFA1731340369825E453" ID-DOI="http://doi.org/10.5281/zenodo.10092630" ID-Zenodo-Dep="10092630" httpUri="https://zenodo.org/record/10092630/files/figure.png" pageId="11" pageNumber="316" startId="11.[794,830,1037,1058]" targetBox="[771,1421,151,1021]" targetPageId="11">
|
||
<paragraph id="8B8836B5F936FFA1731340369825E453" blockId="11.[794,1421,1037,1138]" pageId="11" pageNumber="316">
|
||
Fig. 10.
|
||
<emphasis id="B943EAA7F936FFA1737B40369EB0E403" box="[882,897,1037,1058]" italics="true" pageId="11" pageNumber="316">A</emphasis>
|
||
,
|
||
<taxonomicName id="4C374D36F936FFA17399403699F3E403" authority=", AM F" authorityName="AM F" box="[912,1218,1037,1058]" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="11" pageNumber="316" phylum="Basidiomycota" rank="species" species="falciferum">
|
||
<emphasis id="B943EAA7F936FFA1739940369944E403" box="[912,1141,1037,1058]" italics="true" pageId="11" pageNumber="316">Dictyonema falciferum</emphasis>
|
||
, AM F
|
||
</taxonomicName>
|
||
114750, F14;
|
||
<emphasis id="B943EAA7F936FFA175524036984AE403" box="[1371,1403,1037,1058]" italics="true" pageId="11" pageNumber="316">B–D</emphasis>
|
||
,
|
||
<taxonomicName id="4C374D36F936FFA1731340139935E41C" box="[794,1028,1064,1085]" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="11" pageNumber="316" phylum="Basidiomycota" rank="species" species="venustum">
|
||
<emphasis id="B943EAA7F936FFA1731340139935E41C" box="[794,1028,1064,1085]" italics="true" pageId="11" pageNumber="316">Dictyonema venustum</emphasis>
|
||
</taxonomicName>
|
||
, respectively AM F114648 and AM F114873, both BF14, and AM F114751, BF28. Scale bars 1 mm; arrow on
|
||
<emphasis id="B943EAA7F936FFA1737C40669EB5E453" box="[885,900,1117,1138]" italics="true" pageId="11" pageNumber="316">B</emphasis>
|
||
indicates damaged area discussed in text.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C32D653EF936FFA17070406B9CFDE659" pageId="11" pageNumber="316" type="discussion">
|
||
<paragraph id="8B8836B5F936FFA17070406B9F1BE514" blockId="11.[121,749,1104,1656]" pageId="11" pageNumber="316">
|
||
<emphasis id="B943EAA7F936FFA17070406B9DD1E449" bold="true" box="[121,224,1104,1128]" pageId="11" pageNumber="316">Remarks</emphasis>
|
||
. In most respects our material is close to Bulman’s (1928) redescription of the
|
||
<typeStatus id="548C8817F936FFA171C240559CCDE4A4" box="[459,508,1134,1157]" pageId="11" pageNumber="316">type</typeStatus>
|
||
and other material, differing only in having a slightly closer thecal spacing (
|
||
<quantity id="4CCF9B50F936FFA1708840929D86E4E1" box="[129,183,1193,1216]" metricMagnitude="-1" metricUnit="m" metricValue="5.08" pageId="11" pageNumber="316" unit="in" value="20.0">20 in</quantity>
|
||
<quantity id="4CCF9B50F936FFA170B440929C39E4E1" box="[189,264,1193,1216]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="11" pageNumber="316" unit="mm" value="10.0">10 mm</quantity>
|
||
compared with
|
||
<quantity id="4CCF9B50F936FFA171BB40929F32E4E1" box="[434,515,1193,1216]" metricMagnitude="-1" metricUnit="m" metricValue="4.191" metricValueMax="4.318" metricValueMin="4.064" pageId="11" pageNumber="316" unit="in" value="16.5" valueMax="17.0" valueMin="16.0">16–17 in</quantity>
|
||
<quantity id="4CCF9B50F936FFA1720040929F65E4E1" box="[521,596,1193,1216]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="11" pageNumber="316" unit="mm" value="10.0">10 mm</quantity>
|
||
) and slightly more slender dissepiments. The irregular branching mode is very similar to that on the Welsh and Scottish material described by Bulman (1928: p. 643), as is the stipe spacing, stipe widths and dissepimental spacing.
|
||
</paragraph>
|
||
<paragraph id="8B8836B5F936FFA1709E41079CFDE659" blockId="11.[121,749,1104,1656]" pageId="11" pageNumber="316">
|
||
The largest specimen exhibits a damaged and repaired area (
|
||
<figureCitation id="130C2A30F936FFA170B341629C13E551" box="[186,290,1369,1392]" captionStart="Fig" captionStartId="11.[794,830,1037,1058]" captionTargetBox="[771,1421,151,1021]" captionTargetId="figure-522@11.[771,1422,151,1021]" captionTargetPageId="11" captionText="Fig. 10. A, Dictyonema falciferum, AM F114750, F14; B–D, Dictyonema venustum, respectively AM F114648 and AM F114873, both BF14, and AM F114751, BF28. Scale bars 1 mm; arrow on B indicates damaged area discussed in text." figureDoi="http://doi.org/10.5281/zenodo.10092630" httpUri="https://zenodo.org/record/10092630/files/figure.png" pageId="11" pageNumber="316">Fig. 10B</figureCitation>
|
||
, arrowed). In this region are two short, incomplete stipes whereas one very robust stipe tracks left to right, crosses one stipe and then anastomoses with the next one, which then terminates. The stipe crossed over by the robust, laterally-directed stipe continues to grow and fills the gap caused by the damage, so that by the rhabdosomal periphery a normal stipe arrangement is restored. The most likely explanation of the damage is that a hole was punched into the stipe array, separating the stipes and breaking off some of them.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |