147 lines
16 KiB
XML
147 lines
16 KiB
XML
<document id="68E811C7F9EA80BB601B239FB7D25822" 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="039E87A3F937FFA073AF44A399E3E44D" 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 falciferum Bulman 1928" docType="treatment" docVersion="5" lastPageNumber="315" 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="BE4EA42EF7767B47D02D1960C5A1CE05">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="B8B9D551F8DB0FDBBE621D20A0409A61">Rickards, R. B.</mods:namePart>
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<mods:namePart id="B69D8D5BAB0F2D8CEDC10E6D5623E911">Chapman, A. J.</mods:namePart>
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<mods:namePart id="F02B7654BD951B58CE6BA08611196BEA">Wright, A. J.</mods:namePart>
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<mods:namePart id="BD9BE468B80ACCA220F776F5286ABAEA">Packham, G. H</mods:namePart>
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<mods:title id="99ABB341157F2F125F183E865F4A56C1">Records of the Australian Museum</mods:title>
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<mods:date id="C0790DE6825DC8CE6E007AB995527F91">2003</mods:date>
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<mods:number id="8D23D85F70C3B5871D3BCB42444BB855">2003-12-10</mods:number>
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<mods:identifier id="EE9A9894AF78825C443011D90CB12655" type="DOI">10.3853/j.0067-1975.55.2003.1387</mods:identifier>
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<treatment id="039E87A3F937FFA073AF44A399E3E44D" LSID="urn:lsid:plazi:treatment:039E87A3F937FFA073AF44A399E3E44D" httpUri="http://treatment.plazi.org/id/039E87A3F937FFA073AF44A399E3E44D" lastPageNumber="315" pageId="10" pageNumber="315">
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<subSubSection id="C32D653EF937FFA073AF44A3986AE091" box="[934,1371,152,176]" pageId="10" pageNumber="315" type="nomenclature">
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<paragraph id="8B8836B5F937FFA073AF44A3986AE091" blockId="10.[934,1371,152,176]" box="[934,1371,152,176]" pageId="10" pageNumber="315">
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<heading id="D0C081D9F937FFA073AF44A3986AE091" box="[934,1371,152,176]" centered="true" fontSize="11" level="2" pageId="10" pageNumber="315" reason="2">
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<taxonomicName id="4C374D36F937FFA073AF44A3986AE091" authority="Bulman, 1928" authorityName="Bulman" authorityYear="1928" box="[934,1371,152,176]" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="10" pageNumber="315" phylum="Basidiomycota" rank="species" species="falciferum">
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<emphasis id="B943EAA7F937FFA073AF44A3986AE091" bold="true" box="[934,1371,152,176]" pageId="10" pageNumber="315">
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<emphasis id="B943EAA7F937FFA073AF44A39980E091" bold="true" box="[934,1201,152,176]" italics="true" pageId="10" pageNumber="315">Dictyonema falciferum</emphasis>
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Bulman, 1928
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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="C32D653EF937FFA0740044F6992EE111" pageId="10" pageNumber="315" type="description">
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<paragraph id="8B8836B5F937FFA0740044F699C8E0C5" blockId="10.[1033,1273,205,228]" box="[1033,1273,205,228]" pageId="10" pageNumber="315">
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<figureCitation id="130C2A30F937FFA0740044F69950E0C5" box="[1033,1121,205,228]" captionStart="Fig" captionStartId="8.[166,203,1241,1262]" captionText="Fig. 5. A, Dendrograptus avonleaensis n.sp., holotype AM F114646b, BF14; B,C, Dendrograptus ashburniaensis n.sp., respectively AMF114566 and holotype 114567, both from F14; D–F, Dictyonema williamsae n.sp., respectively holotype AM F114565,AM F114758, part of basal holdfast present,and holotype AM F114565, showing dorsoventral view of stipes, all from W885; G, Dictyonema cf. delicatulum, AM F114648a, W885; H, Dictyonema venustum, AM F114048a, W885; I, Dictyonema falciferum, AM F114750, F14. Scale bars 1 mm; in B and C, hatched areas indicate that specimen is obscured by sediment." pageId="10" pageNumber="315">Figs. 5I</figureCitation>
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,
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<figureCitation id="130C2A30F937FFA0746444F699BFE0C5" box="[1133,1166,205,228]" captionStart="Fig" captionStartId="10.[166,200,1097,1118]" captionTargetBox="[166,801,151,1084]" captionTargetId="figure-10@10.[166,802,151,1084]" captionTargetPageId="10" captionText="Fig. 8. A, Dictyonema williamsae n.sp., holotypeAM F114565, F14; B, Dictyonema falciferum, AM F114750, F14. Scale bars 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10092626" httpUri="https://zenodo.org/record/10092626/files/figure.png" pageId="10" pageNumber="315">8B</figureCitation>
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,
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<figureCitation id="130C2A30F937FFA0749244F6998CE0C5" box="[1179,1213,205,228]" 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">9C</figureCitation>
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,
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<figureCitation id="130C2A30F937FFA074C044F699C8E0C5" box="[1225,1273,205,228]" 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">10A</figureCitation>
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</paragraph>
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<paragraph id="8B8836B5F937FFA0734E453B992EE111" blockId="10.[839,1455,256,304]" pageId="10" pageNumber="315">
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1928.
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<taxonomicName id="4C374D36F937FFA0738A453A9950E137" authorityName="Bulman" authorityYear="1928" box="[899,1121,257,278]" class="Agaricomycetes" family="Hygrophoraceae" genus="Dictyonema" kingdom="Fungi" order="Agaricales" pageId="10" pageNumber="315" phylum="Basidiomycota" rank="species" species="falciferum" status="sp. nov.">
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<emphasis id="B943EAA7F937FFA0738A453A9950E137" box="[899,1121,257,278]" italics="true" pageId="10" pageNumber="315">Dictyonema falciferum</emphasis>
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</taxonomicName>
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,
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<taxonomicNameLabel id="A27057DCF937FFA07462453B99ADE134" box="[1131,1180,256,277]" pageId="10" pageNumber="315" rank="species">n.sp.</taxonomicNameLabel>
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; Bulman, p. 53–56, pl. 5, figs. 1–3, text-figs. 27–29.
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</paragraph>
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</subSubSection>
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<subSubSection id="C32D653EF937FFA0734E45709869E142" box="[839,1368,331,355]" pageId="10" pageNumber="315" type="materials_examined">
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<paragraph id="8B8836B5F937FFA0734E45709869E142" blockId="10.[839,1368,331,355]" box="[839,1368,331,355]" pageId="10" pageNumber="315">
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<emphasis id="B943EAA7F937FFA0734E45709E9AE142" bold="true" box="[839,939,331,355]" pageId="10" pageNumber="315">Material</emphasis>
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.
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<collectionCode id="ED26AE70F937FFA073BE45779ED3E142" box="[951,994,332,355]" country="Australia" name="Australian Museum" pageId="10" pageNumber="315" type="Museum">AM</collectionCode>
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F114750 from F14, Bridge Creek.
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</paragraph>
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</subSubSection>
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<subSubSection id="C32D653EF937FFA0734E45449947E36F" pageId="10" pageNumber="315" type="description">
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<paragraph id="8B8836B5F937FFA0734E45449947E36F" blockId="10.[839,1467,383,846]" pageId="10" pageNumber="315">
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<emphasis id="B943EAA7F937FFA0734E45449EFDE1B6" bold="true" box="[839,972,383,407]" pageId="10" pageNumber="315">Description</emphasis>
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. The flabellate appearance of this large, wellpreserved colony, some
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<quantity id="4CCF9B50F937FFA0746C45A79987E192" box="[1125,1206,412,435]" metricMagnitude="-2" metricUnit="m" metricValue="2.7" pageId="10" pageNumber="315" unit="mm" value="27.0">27 mm</quantity>
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by
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<quantity id="4CCF9B50F937FFA074E045A7980FE192" box="[1257,1342,412,435]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="10" pageNumber="315" unit="mm" value="40.0">40 mm</quantity>
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, may be a preservational feature: there is a slight suggestion that it represents one half of a conical colony. The counterpart is, unfortunately, not available. There are at least 94 peripheral stipes developed, spaced at
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<quantity id="4CCF9B50F937FFA0746246299991E208" box="[1131,1184,530,553]" metricMagnitude="-1" metricUnit="m" metricValue="4.064" pageId="10" pageNumber="315" unit="in" value="16.0">16 in</quantity>
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<quantity id="4CCF9B50F937FFA074AC462999C0E208" box="[1189,1265,530,553]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="315" unit="mm" value="10.0">10 mm</quantity>
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, each with a lateral width of
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<quantity id="4CCF9B50F937FFA073A34614990CE267" box="[938,1085,559,582]" metricMagnitude="-4" metricUnit="m" metricValue="2.25" metricValueMax="2.5" metricValueMin="2.0" pageId="10" pageNumber="315" unit="mm" value="0.225" valueMax="0.25" valueMin="0.2">0.20–0.25 mm</quantity>
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. Branching zones are about every
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<quantity id="4CCF9B50F937FFA0734E46779EB5E242" box="[839,900,588,611]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="315" unit="mm" value="1.0">1 mm</quantity>
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proximally and
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<quantity id="4CCF9B50F937FFA0743B4677994DE242" box="[1074,1148,588,611]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="10" pageNumber="315" unit="mm" value="2.5" valueMax="3.0" valueMin="2.0">2–3 mm</quantity>
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towards the periphery of the colony, complicated somewhat by local anastomosis. Dissepiments are spaced at
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<quantity id="4CCF9B50F937FFA0747846BC9999E2BF" box="[1137,1192,647,670]" metricMagnitude="-1" metricUnit="m" metricValue="1.778" metricValueMax="2.032" metricValueMin="1.524" pageId="10" pageNumber="315" unit="in" value="7.0" valueMax="8.0" valueMin="6.0">6–8 in</quantity>
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<quantity id="4CCF9B50F937FFA074A646BC99CDE2BF" box="[1199,1276,647,670]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="315" unit="mm" value="10.0">10 mm</quantity>
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, possibly a little closer in places. Autothecae are denticulate but not otherwise ornamented. Bithecae are not developed with certainty, possibly rather bulbous aperturally, reflected in the slightly sinusoidal growth of the stipes when viewed dorsoventrally; the last feature is more conspicuous toward the periphery of the colony.
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</paragraph>
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</subSubSection>
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<subSubSection id="C32D653EF937FFA0734E475199E3E44D" pageId="10" pageNumber="315" type="discussion">
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<paragraph id="8B8836B5F937FFA0734E475199E3E44D" blockId="10.[839,1467,874,1132]" pageId="10" pageNumber="315">
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<emphasis id="B943EAA7F937FFA0734E47519E87E3A3" bold="true" box="[839,950,874,898]" pageId="10" pageNumber="315">Remarks</emphasis>
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. This specimen differs only slightly from Bulman’s
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<typeStatus id="548C8817F937FFA073A747B39EEDE3BE" box="[942,988,904,927]" pageId="10" pageNumber="315">type</typeStatus>
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specimens, the stipes in the Bridge Creek specimens being a little more slender on average and the thecal spacing slightly wider (15? in
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<quantity id="4CCF9B50F937FFA074C547F99827E3F8" box="[1228,1302,962,985]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="315" unit="mm" value="10.0">10 mm</quantity>
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compared with
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<quantity id="4CCF9B50F937FFA0734E47DB9EABE3D6" box="[839,922,992,1015]" metricMagnitude="-1" metricUnit="m" metricValue="4.572" metricValueMax="5.08" metricValueMin="4.064" pageId="10" pageNumber="315" unit="in" value="18.0" valueMax="20.0" valueMin="16.0">16–20 in</quantity>
|
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<quantity id="4CCF9B50F937FFA073AA47DB9EC5E3D6" box="[931,1012,992,1015]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="315" unit="mm" value="10.0">10 mm</quantity>
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||
). In most aspects our form is very close indeed to the
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<typeStatus id="548C8817F937FFA073D547C69929E435" box="[988,1048,1021,1044]" pageId="10" pageNumber="315">types</typeStatus>
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, which were described from the upper Llandovery (approximately
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<emphasis id="B943EAA7F937FFA074674021998AE410" box="[1134,1211,1050,1073]" italics="true" pageId="10" pageNumber="315">crispus</emphasis>
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Biozone) of
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<collectingRegion id="49F3F857F937FFA0754840219886E410" box="[1345,1463,1050,1073]" country="United Kingdom" name="Shropshire" pageId="10" pageNumber="315">Shropshire</collectingRegion>
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,
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<collectingCountry id="F3207625F937FFA0734E4003992EE46E" box="[839,1055,1080,1103]" name="United Kingdom" pageId="10" pageNumber="315">Wales and Scotland</collectingCountry>
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(Bulman, 1928: 50). This is the first record of this species from
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<collectingCountry id="F3207625F937FFA0746E406E99FFE44D" box="[1127,1230,1109,1132]" name="Australia" pageId="10" pageNumber="315">Australia</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |