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130 lines
13 KiB
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<document id="38F384E0597C03996121CFAAF19AEFE7" ID-CLB-Dataset="30484" ID-DOI="10.11646/zootaxa.4396.1.1" ID-GBIF-Dataset="918f2145-a708-460e-b19b-4f67e6c99b30" ID-ISSN="1175-5326" ID-Zenodo-Dep="1202723" ID-ZooBank="8EEBE6DE-0ECC-4B9C-AD14-01438291782B" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1521441296340" checkinUser="plazi" docAuthor="Smith, Patrick M., Paterson, John R. & Brock, Glenn A." docDate="2018" docId="038CC426FFBAFF9CFF399CC7FEE1FC94" docLanguage="en" docName="zootaxa.4396.1.1.pdf" docOrigin="Zootaxa 4396 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Blackwelderia Walcott 1906" docType="treatment" docVersion="7" lastPageNumber="22" masterDocId="FFB5BC5EFFAFFF89FFAE9D71FF99FFE3" masterDocTitle="Trilobites and agnostids from the Goyder Formation (Cambrian Series 3, Guzhangian; Mindyallan), Amadeus Basin, central Australia" masterLastPageNumber="67" masterPageNumber="1" pageNumber="22" updateTime="1698532001681" updateUser="ExternalLinkService">
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<mods:mods id="D46CFA1D83DEC85F5C8E24C3D6056B78" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="87EE41592720329F7095EF6C816CFD84">
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<mods:title id="A31363D97617ECB176E50E92C618E154">Trilobites and agnostids from the Goyder Formation (Cambrian Series 3, Guzhangian; Mindyallan), Amadeus Basin, central Australia</mods:title>
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<mods:name id="291FFE69E08BFCB6354A747F4859BC83" type="personal">
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<mods:role id="93CA229304C34DF476F786A974842970">
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<mods:namePart id="4C91C0EE4C93D2BC2E0E8EEE2CD96883">Smith, Patrick M.</mods:namePart>
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<mods:roleTerm id="6A12D3B0547DFC4FB7206BC9CAC778AB">Author</mods:roleTerm>
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<mods:namePart id="81DF0422E92527C422832CFC44419E1D">Paterson, John R.</mods:namePart>
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</mods:name>
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<mods:name id="C7F8E00FA6FB8247113E65A2ACCBE3F8" type="personal">
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<mods:roleTerm id="A1F6526A68418CA6C1D9DE327F3C34F8">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="ABC7BFC2B09AD2F037CB596F38FACB83">Brock, Glenn A.</mods:namePart>
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<mods:typeOfResource id="9B77B2D292D648B719D0D4061D049077">text</mods:typeOfResource>
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<mods:titleInfo id="E43DE7D334668433A161257C93A059F9">
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<mods:title id="903FFF229D522BF1256794584D81B281">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="2F5D1CC9DF3BFBE17A14B88B5E876A36">
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<mods:date id="00A0B889694249C7F8A59C8A1911A70F">2018</mods:date>
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<mods:detail id="B1BF0C82B250BF2C4B5569318E6B26E3" type="pubDate">
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<mods:number id="485D374040450173A15785E8B0BD48E2">2018-03-19</mods:number>
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<mods:detail id="ED039155C4F2F1C3CEC6AF86794554B9" type="volume">
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<mods:number id="020F265E801CBC7DFB3ED1E5BB9BC043">4396</mods:number>
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<mods:detail id="4BE69B9802FA743F51422E71D03DBCC0" type="issue">
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<mods:number id="73343067C6F5C09597A9A030A99EA4FB">1</mods:number>
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<mods:classification id="25CA68CE866B3D51EEFCC9E897B39B46">journal article</mods:classification>
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<mods:identifier id="C28CD69CE0CF508D00FD28D6E417DBBC" type="CLB-Dataset">30484</mods:identifier>
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<mods:identifier id="D6CA280BDD17731EDA59846911CBD965" type="DOI">10.11646/zootaxa.4396.1.1</mods:identifier>
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<treatment id="038CC426FFBAFF9CFF399CC7FEE1FC94" ID-DOI="http://doi.org/10.5281/zenodo.5980810" ID-GBIF-Taxon="142340475" ID-Zenodo-Dep="5980810" LSID="urn:lsid:plazi:treatment:038CC426FFBAFF9CFF399CC7FEE1FC94" httpUri="http://treatment.plazi.org/id/038CC426FFBAFF9CFF399CC7FEE1FC94" lastPageNumber="22" pageId="21" pageNumber="22">
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<subSubSection id="C33F26BBFFBAFF9CFF399CC7FE6FFE33" box="[151,502,438,464]" pageId="21" pageNumber="22" type="nomenclature">
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<paragraph id="8B9A7530FFBAFF9CFF399CC7FE6FFE33" blockId="21.[151,502,438,464]" box="[151,502,438,464]" pageId="21" pageNumber="22">
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<heading id="D0D2C25CFFBAFF9CFF399CC7FE6FFE33" bold="true" box="[151,502,438,464]" fontSize="11" level="1" pageId="21" pageNumber="22" reason="1">
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<taxonomicName id="4C250EB3FFBAFF9CFF399CC7FE6FFE33" ID-CoL="62G3Z" authority="Walcott, 1906" authorityName="Walcott" authorityYear="1906" box="[151,502,438,464]" class="Trilobita" family="Damesellidae" genus="Blackwelderia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lichida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="genus">
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<emphasis id="B951A922FFBAFF9CFF399CC7FE6FFE33" bold="true" box="[151,502,438,464]" pageId="21" pageNumber="22">
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<emphasis id="B951A922FFBAFF9CFF399CC7FEDDFE33" bold="true" box="[151,324,438,464]" italics="true" pageId="21" pageNumber="22">Blackwelderia</emphasis>
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<bibRefCitation id="EFB408C1FFBAFF9CFEE59CC7FE6FFE33" box="[331,502,438,464]" pageId="21" pageNumber="22" refId="ref46180" refString="Walcott, C. D. (1906) Cambrian faunas of China. Proceedings of the United States National Museum, 30, 563 - 595. https: // doi. org / 10.5479 / si. 00963801.1458.563" type="journal article">Walcott, 1906</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="C33F26BBFFBAFF9CFF399C8CFD03FDF0" box="[151,666,509,531]" pageId="21" pageNumber="22" type="materials_examined">
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<paragraph id="8B9A7530FFBAFF9CFF399C8CFD03FDF0" blockId="21.[151,666,509,531]" box="[151,666,509,531]" pageId="21" pageNumber="22">
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<emphasis id="B951A922FFBAFF9CFF399C8CFEBBFDF0" bold="true" box="[151,290,509,531]" pageId="21" pageNumber="22">Type species.</emphasis>
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<taxonomicName id="4C250EB3FFBAFF9CFE879C8CFE17FDF0" authorityName="Brongniart" authorityYear="1822" box="[297,398,509,531]" class="Trilobita" family="Calymenidae" genus="Calymene" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phacopida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="genus">
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<emphasis id="B951A922FFBAFF9CFE879C8CFE17FDF0" box="[297,398,509,531]" italics="true" pageId="21" pageNumber="22">Calymene</emphasis>
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</taxonomicName>
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?
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<taxonomicName id="4C250EB3FFBAFF9CFE0E9C8FFD0FFDF0" authority="Bergeron, 1899" authorityName="Bergeron" authorityYear="1899" box="[416,662,509,531]" class="Trilobita" family="Damesellidae" genus="Blackwelderia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lichida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="sinensis">
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<emphasis id="B951A922FFBAFF9CFE0E9C8FFE69FDF0" box="[416,496,510,531]" italics="true" pageId="21" pageNumber="22">sinensis</emphasis>
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Bergeron, 1899
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33F26BBFFBAFF9CFF399F4EFEE1FC94" pageId="21" pageNumber="22" type="discussion">
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<paragraph id="8B9A7530FFBAFF9CFF399F4EFEE1FC94" blockId="21.[151,1436,575,888]" pageId="21" pageNumber="22">
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<emphasis id="B951A922FFBAFF9CFF399F4EFE85FDBB" bold="true" box="[151,284,575,600]" pageId="21" pageNumber="22">Discussion.</emphasis>
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This genus has been discussed exhaustively by numerous authors (e.g.,
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<bibRefCitation id="EFB408C1FFBAFF9CFBD99F4EFA8DFDBB" box="[1143,1300,575,600]" pageId="21" pageNumber="22" refId="ref46244" refString="Walcott, C. D. (1913) The Cambrian faunas of China. Research in China. Carnegie Institution of Washington, 54, 3 - 276." type="journal article">Walcott 1913</bibRefCitation>
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; Kobayashi 1942; Lu
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<emphasis id="B951A922FFBAFF9CFEAB9F14FEA7FD9E" box="[261,318,612,637]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
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1965; Öpik 1967; Park
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<emphasis id="B951A922FFBAFF9CFDE19F14FD11FD9E" box="[591,648,612,637]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
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2013), yet the concept of the genus is still poorly understood. Park
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<emphasis id="B951A922FFBAFF9CFA269F14FF2DFD43" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
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(2013) suggested that this problem stems from a number of species erected on poorly preserved specimens, including the
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<typeStatus id="549ECB92FFBAFF9CFE9F9FDDFE01FD26" box="[305,408,684,709]" pageId="21" pageNumber="22" type="lectotype">lectotype</typeStatus>
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for
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<taxonomicName id="4C250EB3FFBAFF9CFE689FDDFC08FD27" authority="(Bergeron, 1899)" authorityName="Bergeron" authorityYear="1899" baseAuthorityName="Bergeron" baseAuthorityYear="1899" box="[454,913,684,709]" class="Trilobita" family="Damesellidae" genus="Blackwelderia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lichida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="sinensis">
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<emphasis id="B951A922FFBAFF9CFE689FDDFD51FD27" box="[454,712,684,709]" italics="true" pageId="21" pageNumber="22">Blackwelderia sinensis</emphasis>
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(Bergeron, 1899)
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</taxonomicName>
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, which come from weathered shale material in North
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<collectingCountry id="F33235A0FFBAFF9CFF4A9FBEFEBEFD0B" box="[228,295,719,744]" name="China" pageId="21" pageNumber="22">China</collectingCountry>
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(see Peng
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<emphasis id="B951A922FFBAFF9CFE1E9FA0FE74FD0B" box="[432,493,719,744]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
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2004a; Peng 2007). Such incomplete or poorly preserved specimens has led to taxonomic confusion with morphologically similar genera such as
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<taxonomicName id="4C250EB3FFBAFF9CFC3D9F85FB2AFCEE" authority="Walcott, 1905" authorityName="Walcott" authorityYear="1905" box="[915,1203,756,781]" class="Trilobita" family="Damesellidae" genus="Damesella" higherTaxonomySource="CoL" kingdom="Animalia" order="Ptychopariida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="genus">
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<emphasis id="B951A922FFBAFF9CFC3D9F85FB92FCEE" box="[915,1035,756,781]" italics="true" pageId="21" pageNumber="22">Damesella</emphasis>
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<bibRefCitation id="EFB408C1FFBAFF9CFBBA9F85FB2AFCEE" box="[1044,1203,756,781]" pageId="21" pageNumber="22" refId="ref46138" refString="Walcott, C. D. (1905) Cambrian faunas of China. Proceedings of the U. S. National Museum, 29, 1 - 106. https: // doi. org / 10.5479 / si. 00963801.1415" type="journal article">Walcott, 1905</bibRefCitation>
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</taxonomicName>
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and oversplitting of
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<taxonomicName id="4C250EB3FFBAFF9CFF399E66FEA0FCD3" authorityName="Walcott" authorityYear="1906" box="[151,313,791,816]" class="Trilobita" family="Damesellidae" genus="Blackwelderia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lichida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="genus">
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<emphasis id="B951A922FFBAFF9CFF399E66FEA0FCD3" box="[151,313,791,816]" italics="true" pageId="21" pageNumber="22">Blackwelderia</emphasis>
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</taxonomicName>
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(see
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<bibRefCitation id="EFB408C1FFBAFF9CFEDB9E69FDA3FCD3" box="[373,570,791,816]" pageId="21" pageNumber="22" refId="ref46334" refString="Wang, Q., Mills, K. J., Webby, B. D. & Shergold, J. H. (1989) Upper Cambrian (Mindyallan) trilobites and stratigraphy of the Kayrunnera Group, western New South Wales. BMR Journal of Australian Geology & Geophysics, 11, 107 - 118." type="journal article">
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Wang
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<emphasis id="B951A922FFBAFF9CFE139E68FE76FCD3" box="[445,495,791,816]" italics="true" pageId="21" pageNumber="22">et al</emphasis>
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. 1989
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</bibRefCitation>
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; Zhu & Wittke 1989; Guo
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<emphasis id="B951A922FFBAFF9CFCC49E68FC02FCD3" box="[874,923,791,816]" italics="true" pageId="21" pageNumber="22">et al</emphasis>
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. 1996 for expansive species lists). Park
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<emphasis id="B951A922FFBAFF9CFACD9E68FA05FCD3" box="[1379,1436,791,816]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
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(2013) suggested that a detailed morphological and taxonomic assessment of
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<taxonomicName id="4C250EB3FFBAFF9CFBAA9E4DFB3FFCB6" authorityName="Walcott" authorityYear="1906" box="[1028,1190,828,853]" class="Trilobita" family="Damesellidae" genus="Blackwelderia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lichida" pageId="21" pageNumber="22" phylum="Arthropoda" rank="genus">
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<emphasis id="B951A922FFBAFF9CFBAA9E4DFB3FFCB6" box="[1028,1190,828,853]" italics="true" pageId="21" pageNumber="22">Blackwelderia</emphasis>
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</taxonomicName>
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is required to resolve the generic concept.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |