212 lines
26 KiB
XML
212 lines
26 KiB
XML
<document id="97772723943D3EF1A5387D414DE76F13" ID-CLB-Dataset="300550" ID-DOI="10.5281/zenodo.13173828" ID-GBIF-Dataset="3dbd2041-0711-4651-bdf5-2d771a498f0c" ID-ISSN="1732-2421" ID-Zenodo-Dep="13173828" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="juliana" IM.taxonomicNames_approvedBy="juliana" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="juliana" checkinTime="1721350277187" checkinUser="felipe" docAuthor="Kozłowska-Dawidziuk, Anna" docDate="2002" docId="03D77655B435E549FFEFFBCCB48DA8AA" docLanguage="en" docName="ActaPalaeontolPol.47.3.459-467.pdf" docOrigin="Acta Palaeontologica Polonica 47 (3)" docStyle="DocumentStyle:93F5927C23D90727DE855278A6F17B37.1:ActaPalaeontolPol.2002-2009.journal_article" docStyleId="93F5927C23D90727DE855278A6F17B37" docStyleName="ActaPalaeontolPol.2002-2009.journal_article" docStyleVersion="1" docTitle="Plectograptus Moberg and Tornquist 1909" docType="treatment" docVersion="3" lastPageNumber="460" masterDocId="FFEE0E2DB434E548FF89FFC0B05CAA31" masterDocTitle="Agastograptus, a synonym of Plectograptus (Retiolitidae, Graptolithina)" masterLastPageNumber="467" masterPageNumber="459" pageNumber="460" updateTime="1722619596334" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="97DCB5219BB10DC973C64DEC128D0F27">Agastograptus, a synonym of Plectograptus (Retiolitidae, Graptolithina)</mods:title>
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<mods:namePart id="7509FF9D190D0B873C4A1454EAC2E0E2">Kozłowska-Dawidziuk, Anna</mods:namePart>
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<mods:title id="D1E12D6D6AA546C2366D5560670B28A6">Acta Palaeontologica Polonica</mods:title>
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<mods:part id="2CC40558DA9EB0773C44D9B81BBBA576">
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<mods:date id="EA3F995629D35FB3A85213EAD461AA4D">2002</mods:date>
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<mods:number id="CE76448AE50988039D4659C9C8CC8945">2002-12-31</mods:number>
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<mods:number id="674BAB99D66E529C409550F25A6061AA">47</mods:number>
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<treatment id="03D77655B435E549FFEFFBCCB48DA8AA" ID-DOI="http://doi.org/10.5281/zenodo.13173822" ID-Zenodo-Dep="13173822" LSID="urn:lsid:plazi:treatment:03D77655B435E549FFEFFBCCB48DA8AA" httpUri="http://treatment.plazi.org/id/03D77655B435E549FFEFFBCCB48DA8AA" lastPageNumber="460" pageId="1" pageNumber="460">
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<subSubSection id="C36494C8B435E549FFEFFBCCB2BBAE18" box="[102,743,1036,1065]" pageId="1" pageNumber="460" type="nomenclature">
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<paragraph id="8BC1C743B435E549FFEFFBCCB2BBAE18" blockId="1.[102,774,891,1128]" box="[102,743,1036,1065]" pageId="1" pageNumber="460">
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<heading id="D089702FB435E549FFEFFBCCB2BBAE18" box="[102,743,1036,1065]" fontSize="36" level="2" pageId="1" pageNumber="460" reason="7">
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Genus
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<taxonomicName id="4C7EBCC0B435E549FF36FBCCB2BBAE18" authority="Moberg and Tornquist, 1909" authorityName="Moberg and Tornquist" authorityYear="1909" box="[191,743,1036,1065]" class="Pterobranchia" family="Retiolitidae" genus="Plectograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="genus">
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<emphasis id="B90A1B51B435E549FF36FBCCB12EAE18" box="[191,370,1036,1065]" italics="true" pageId="1" pageNumber="460">Plectograptus</emphasis>
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<bibRefCitation id="EFEFBAB2B435E549FEF2FBCCB2BBAE18" author="Moberg, J. C. & Tornquist, S. L." box="[379,743,1036,1065]" pageId="1" pageNumber="460" pagination="1 - 20" refId="ref7651" refString="Moberg, J. C. and Tornquist, S. L. 1909. Retioloidea fran Skanes Colonusskiffer. Sveriges Geologiska Undersokning C 213: 1 - 20." type="journal article" year="1909">Moberg and Törnquist, 1909</bibRefCitation>
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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="C36494C8B435E549FFEFFBF7B273AE59" pageId="1" pageNumber="460" type="type_taxon">
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<paragraph id="8BC1C743B435E549FFEFFBF7B273AE59" blockId="1.[102,774,891,1128]" pageId="1" pageNumber="460">
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<emphasis id="B90A1B51B435E549FFEFFBF7B082AE7D" box="[102,222,1079,1100]" italics="true" pageId="1" pageNumber="460">
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<typeStatus id="54C579E1B435E549FFEFFBF7B0CFAE7D" box="[102,147,1079,1100]" pageId="1" pageNumber="460">Type</typeStatus>
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species
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</emphasis>
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:
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<taxonomicName id="4C7EBCC0B435E549FF65FBF6B20AAE7D" authority="Tornquist, 1887" authorityName="Tornquist" authorityYear="1887" box="[236,598,1078,1100]" class="Pterobranchia" family="Retiolitidae" genus="Retiolites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="macilentus">
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<emphasis id="B90A1B51B435E549FF65FBF6B1E9AE7D" box="[236,437,1078,1100]" italics="true" pageId="1" pageNumber="460">Retiolites macilentus</emphasis>
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<bibRefCitation id="EFEFBAB2B435E549FE35FBF6B20AAE7D" author="Tornquist, S. L." box="[444,598,1078,1100]" pageId="1" pageNumber="460" pagination="471 - 492" refId="ref7883" refString="Tornquist, S. L. 1887. Anteckningar de aldre paleozoiska leden i Ost-thuringen och Vogtland. Geologiska Forennigens i Stockholm Forhandlingar 9: 471 - 492." type="journal article" year="1887">Törnquist, 1887</bibRefCitation>
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</taxonomicName>
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, from Wetterhammer area (Colonusskiffern), Thüringia, Ludlow.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36494C8B435E549FFEFFBB8B089AC21" pageId="1" pageNumber="460" type="diagnosis">
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<paragraph id="8BC1C743B435E549FFEFFBB8B089AC21" blockId="1.[102,775,1144,1552]" pageId="1" pageNumber="460">
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<emphasis id="B90A1B51B435E549FFEFFBB8B11EAEA1" box="[102,322,1144,1168]" italics="true" pageId="1" pageNumber="460">Emended diagnosis</emphasis>
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.—Ancora umbrella simple, small, usually partly preserved. Sicula about 2.6 mm long, rarely preserved as traces of the prosicular rim, and indicated by seams on the virgella. Nema free, possibly extended as a nematularium in mature specimens. Ancora sleeve lists of hexagonal meshes with zigzag pattern in the mid−dorsal part of wall. First zigzag lists of ancora sleeve located in region of the lips of th
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<superScript id="7C0B6A0BB435E549FF16FA98B0EEAF56" attach="right" box="[159,178,1366,1392]" fontSize="7" pageId="1" pageNumber="460">11</superScript>
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and th
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<superScript id="7C0B6A0BB435E549FF74FA98B14CAF56" attach="none" box="[253,272,1366,1392]" fontSize="7" pageId="1" pageNumber="460">12</superScript>
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. Large proximal orifices on obverse and reverse sides of rhabdosome, outlined by the ancora umbrella lists (rarely preserved), and first zigzag lists of the ancora sleeve. Mid−ventral list present. Ancora sleeve and thecal lists with seams from the inside and distinctive pustules on bandages.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36494C8B435E549FFEFF9E2B176AC48" pageId="1" pageNumber="460" type="taxon_list">
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<paragraph id="8BC1C743B435E549FFEFF9E2B176AC48" blockId="1.[102,774,1569,1657]" pageId="1" pageNumber="460">
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<emphasis id="B90A1B51B435E549FFEFF9E2B170AC08" box="[102,300,1569,1593]" italics="true" pageId="1" pageNumber="460">Species included</emphasis>
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.—
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<taxonomicName id="4C7EBCC0B435E549FED9F9E1B0F5AC68" authority="(Tornquist, 1887)" baseAuthorityName="Tornquist" baseAuthorityYear="1887" class="Pterobranchia" family="Retiolitidae" genus="Plectograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="macilentus">
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<emphasis id="B90A1B51B435E549FED9F9E1B224AC08" box="[336,632,1569,1593]" italics="true" pageId="1" pageNumber="460">Plectograptus macilentus</emphasis>
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(
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<bibRefCitation id="EFEFBAB2B435E549FD1AF9E1B0FDAC68" author="Tornquist, S. L." pageId="1" pageNumber="460" pagination="471 - 492" refId="ref7883" refString="Tornquist, S. L. 1887. Anteckningar de aldre paleozoiska leden i Ost-thuringen och Vogtland. Geologiska Forennigens i Stockholm Forhandlingar 9: 471 - 492." type="journal article" year="1887">Törnquist, 1887</bibRefCitation>
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)
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</taxonomicName>
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,
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<taxonomicName id="4C7EBCC0B435E549FF3FF982B2D7AC68" authority="(Obut and Zaslavskaya, 1983)" baseAuthorityName="Obut and Zaslavskaya" baseAuthorityYear="1983" box="[182,651,1601,1625]" genus="Agastograptus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="robustus">
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<emphasis id="B90A1B51B435E549FF3FF982B16EAC68" box="[182,306,1601,1625]" italics="true" pageId="1" pageNumber="460">P. robustus</emphasis>
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(
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<bibRefCitation id="EFEFBAB2B435E549FECBF981B2DEAC68" author="Obut, A. M. & Zaslavskaya, N. & Zaslavskaa, N." box="[322,642,1601,1625]" pageId="1" pageNumber="460" pagination="103 - 113" refId="ref7681" refString="Obut, A. M. and Zaslavskaya, N. [Zaslavskaa, N.] 1983. Families of retiolitids and their phylogenetic relationships [in Russian]. In: A. S. Dagys and V. N. Dubatolov (eds.), Morfologia i sistematika bespozvonocnyh fanerozoa, 103 - 113. Izdatelstvo Nauka, Moskva." type="book chapter" year="1983">Obut and Zaslavskaya,1983</bibRefCitation>
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)
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</taxonomicName>
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,
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<taxonomicName id="4C7EBCC0B435E549FD1EF982B17BAC48" authority="(Eisenack, 1951)" baseAuthorityName="Eisenack" baseAuthorityYear="1951" class="Pterobranchia" family="Retiolitidae" genus="Plectograptus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="wimani">
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<emphasis id="B90A1B51B435E549FD1EF982B35AAC68" box="[663,774,1602,1625]" italics="true" pageId="1" pageNumber="460">P. wimani</emphasis>
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(
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<bibRefCitation id="EFEFBAB2B435E549FFE4F9A1B142AC48" author="Eisenack, A." box="[109,286,1633,1657]" pageId="1" pageNumber="460" pagination="129 - 163" refId="ref6884" refString="Eisenack, A. 1951. Retioliten aus dem Graptolithengestein. Palaeontographica 100: 129 - 163." type="journal article" year="1951">Eisenack, 1951</bibRefCitation>
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)
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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="C36494C8B435E549FFEFF94BB48DA8AA" pageId="1" pageNumber="460" type="discussion">
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<paragraph id="8BC1C743B435E549FFEFF94BB48DA8AA" blockId="1.[102,775,1674,2018]" lastBlockId="1.[812,1485,227,667]" pageId="1" pageNumber="460">
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<emphasis id="B90A1B51B435E549FFEFF94BB0BDAC93" box="[102,225,1675,1698]" italics="true" pageId="1" pageNumber="460">Discussion</emphasis>
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.—The
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<typeStatus id="54C579E1B435E549FEB6F94BB133AC92" box="[319,367,1675,1699]" pageId="1" pageNumber="460">type</typeStatus>
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species
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<taxonomicName id="4C7EBCC0B435E549FE69F94AB174ACF3" authority="(Tornquist, 1887)" baseAuthorityName="Tornquist" baseAuthorityYear="1887" class="Pterobranchia" family="Retiolitidae" genus="Plectograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="macilentus">
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<emphasis id="B90A1B51B435E549FE69F94AB35AAC93" box="[480,774,1674,1698]" italics="true" pageId="1" pageNumber="460">Plectograptus macilentus</emphasis>
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(
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<bibRefCitation id="EFEFBAB2B435E549FFE4F96AB143ACF3" author="Tornquist, S. L." box="[109,287,1706,1730]" pageId="1" pageNumber="460" pagination="471 - 492" refId="ref7883" refString="Tornquist, S. L. 1887. Anteckningar de aldre paleozoiska leden i Ost-thuringen och Vogtland. Geologiska Forennigens i Stockholm Forhandlingar 9: 471 - 492." type="journal article" year="1887">Törnquist, 1887</bibRefCitation>
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)
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</taxonomicName>
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was originally assigned to the genus
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<taxonomicName id="4C7EBCC0B435E549FD4BF96BB0C9ACD3" authorityName="Barrande" authorityYear="1850" class="Pterobranchia" family="Retiolitidae" genus="Retiolites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="genus">
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<emphasis id="B90A1B51B435E549FD4BF96BB0C9ACD3" italics="true" pageId="1" pageNumber="460">Retiolites</emphasis>
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</taxonomicName>
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, based on poor material from Thüringia.
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<bibRefCitation id="EFEFBAB2B435E549FDF2F90AB17EAD33" author="Moberg, J. C. & Tornquist, S. L." pageId="1" pageNumber="460" pagination="1 - 20" refId="ref7651" refString="Moberg, J. C. and Tornquist, S. L. 1909. Retioloidea fran Skanes Colonusskiffer. Sveriges Geologiska Undersokning C 213: 1 - 20." type="journal article" year="1909">Moberg and Törnquist (1909)</bibRefCitation>
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established a new genus
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<taxonomicName id="4C7EBCC0B435E549FDC8F92AB282AD33" authorityName="Moberg and Tornquist" authorityYear="1909" box="[577,734,1770,1794]" class="Pterobranchia" family="Retiolitidae" genus="Plectograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="genus">
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<emphasis id="B90A1B51B435E549FDC8F92AB282AD33" box="[577,734,1770,1794]" italics="true" pageId="1" pageNumber="460">Plectograptus</emphasis>
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</taxonomicName>
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for
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<taxonomicName id="4C7EBCC0B435E549FFEFF8CBB0A2AD13" baseAuthorityName="Tornquist" baseAuthorityYear="1887" box="[102,254,1802,1826]" class="Pterobranchia" family="Retiolitidae" genus="Plectograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="macilentus">
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||
<emphasis id="B90A1B51B435E549FFEFF8CBB0A2AD13" box="[102,254,1802,1826]" italics="true" pageId="1" pageNumber="460">R. macilentus</emphasis>
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||
</taxonomicName>
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||
, following the study of better preserved material from
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<collectingRegion id="49BA09A1B435E549FF5FF8EAB141AD73" box="[214,285,1833,1858]" country="Sweden" name="Skane" pageId="1" pageNumber="460">Skåne</collectingRegion>
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||
,
|
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<collectingCountry id="F36987D3B435E549FEA5F8EAB1D4AD73" box="[300,392,1834,1858]" name="Sweden" pageId="1" pageNumber="460">Sweden</collectingCountry>
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. They illustrated a flattened
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<typeStatus id="54C579E1B435E549FD5FF8EBB35AAD72" box="[726,774,1835,1859]" pageId="1" pageNumber="460">type</typeStatus>
|
||
specimen of
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||
<taxonomicName id="4C7EBCC0B435E549FE8BF88BB1C1AD53" baseAuthorityName="Tornquist" baseAuthorityYear="1887" box="[258,413,1866,1890]" class="Pterobranchia" family="Retiolitidae" genus="Plectograptus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="macilentus">
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<emphasis id="B90A1B51B435E549FE8BF88BB1C1AD53" box="[258,413,1866,1890]" italics="true" pageId="1" pageNumber="460">P. macilentus</emphasis>
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||
</taxonomicName>
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with large proximal openings (
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<bibRefCitation id="EFEFBAB2B435E549FFE4F8AAB1F4ADB3" author="Moberg, J. C. & Tornquist, S. L." box="[109,424,1898,1922]" pageId="1" pageNumber="460" pagination="1 - 20" refId="ref7651" refString="Moberg, J. C. and Tornquist, S. L. 1909. Retioloidea fran Skanes Colonusskiffer. Sveriges Geologiska Undersokning C 213: 1 - 20." type="journal article" year="1909">Moberg and Törnquist 1909</bibRefCitation>
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||
: pl. 1: 10). The main diagnostic features of large proximal orifices as well as paired reticulofusellar apertural processes occur in one species of
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||
<taxonomicName id="4C7EBCC0B435E549FD3FF86AB0E0ADD3" authorityName="Moberg and Tornquist" authorityYear="1909" class="Pterobranchia" family="Retiolitidae" genus="Plectograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="genus">
|
||
<emphasis id="B90A1B51B435E549FD3FF86AB0E0ADD3" italics="true" pageId="1" pageNumber="460">Plectograptus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C7EBCC0B435E549FF42F80BB11BADD3" baseAuthorityName="Obut and Zaslavskaya" baseAuthorityYear="1983" box="[203,327,1994,2018]" genus="Agastograptus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="robustus">
|
||
<emphasis id="B90A1B51B435E549FF42F80BB11BADD3" box="[203,327,1994,2018]" italics="true" pageId="1" pageNumber="460">P. robustus</emphasis>
|
||
</taxonomicName>
|
||
. Similar processes are characteristic of species of
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<taxonomicName id="4C7EBCC0B435E549FC2FFF23B467AACB" authorityName="Boucek and Munch" authorityYear="1952" box="[934,1083,227,250]" class="Pterobranchia" family="Retiolitidae" genus="Spinograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="genus">
|
||
<emphasis id="B90A1B51B435E549FC2FFF23B467AACB" box="[934,1083,227,250]" italics="true" pageId="1" pageNumber="460">Spinograptus</emphasis>
|
||
</taxonomicName>
|
||
(see
|
||
<bibRefCitation id="EFEFBAB2B435E549FBF3FF23B59CAACA" author="Kozlowska-Dawidziuk, A." box="[1146,1472,227,251]" pageId="1" pageNumber="460" pagination="391 - 412" refId="ref7186" refString="Kozlowska-Dawidziuk, A. 1997. Retiolitid graptolite Spinograptus from Poland and its membrane structures. Acta Palaeontologica Polonica 42: 391 - 412." type="journal article" year="1997">Kozłowska−Dawidziuk 1997</bibRefCitation>
|
||
), including
|
||
<taxonomicName id="4C7EBCC0B435E549FC17FEC3B431AB2A" authorityName="Kozłowska-Dawidziuk" authorityYear="2002" box="[926,1133,259,283]" class="Pterobranchia" family="Retiolitidae" genus="Retiolites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="clathrospinosus">
|
||
<emphasis id="B90A1B51B435E549FC17FEC3B431AB2A" box="[926,1133,259,283]" italics="true" pageId="1" pageNumber="460">S. clathrospinosus</emphasis>
|
||
</taxonomicName>
|
||
from the
|
||
<taxonomicName id="4C7EBCC0B435E549FB69FEC3B3BEAB0A" authority="Biozone" authorityName="Biozone" class="Graptolithina" genus="Colonograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="praedeubeli">
|
||
<emphasis id="B90A1B51B435E549FB69FEC3B322AB0A" italics="true" pageId="1" pageNumber="460">Colonograptus praedeubeli</emphasis>
|
||
Biozone
|
||
</taxonomicName>
|
||
which precedes the appearance of
|
||
<taxonomicName id="4C7EBCC0B435E549FAECFEE3B311AB6B" baseAuthorityName="Obut and Zaslavskaya" baseAuthorityYear="1983" genus="Agastograptus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="robustus">
|
||
<emphasis id="B90A1B51B435E549FAECFEE3B311AB6B" italics="true" pageId="1" pageNumber="460">P. robustus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C7EBCC0B435E549FC00FE83B479AB6A" baseAuthorityName="Tornquist" baseAuthorityYear="1887" box="[905,1061,323,347]" class="Pterobranchia" family="Retiolitidae" genus="Plectograptus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="macilentus">
|
||
<emphasis id="B90A1B51B435E549FC00FE83B479AB6A" box="[905,1061,323,347]" italics="true" pageId="1" pageNumber="460">P. macilentus</emphasis>
|
||
</taxonomicName>
|
||
, both of which occur in the Ludlow
|
||
<taxonomicName id="4C7EBCC0B435E549FCA5FEA3B48FAB4A" authority="Biozone." authorityName="Biozone (Kozlowska-Dawidziuk" authorityYear="1995" box="[812,1235,355,379]" family="Rhabdinoporidae" genus="Neodiversograptus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="1" pageNumber="460" phylum="Hemichordata" rank="species" species="nilssoni">
|
||
<emphasis id="B90A1B51B435E549FCA5FEA3B43FAB4A" box="[812,1123,355,379]" italics="true" pageId="1" pageNumber="460">Neodiversograptus nilssoni</emphasis>
|
||
Biozone.
|
||
</taxonomicName>
|
||
<taxonomicName id="4C7EBCC0B435E549FB54FEA3B52EAB4B" authorityName="Boucek and Munch" authorityYear="1952" box="[1245,1394,355,378]" class="Pterobranchia" family="Retiolitidae" genus="Spinograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="genus">
|
||
<emphasis id="B90A1B51B435E549FB54FEA3B52EAB4B" box="[1245,1394,355,378]" italics="true" pageId="1" pageNumber="460">Spinograptus</emphasis>
|
||
</taxonomicName>
|
||
is considered to be an ancestor of
|
||
<taxonomicName id="4C7EBCC0B435E549FB18FE43B3A8AB8B" authority="(Kozlowska-Dawidziuk 1995)" baseAuthorityName="Kozlowska-Dawidziuk" baseAuthorityYear="1995" class="Pterobranchia" family="Retiolitidae" genus="Plectograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="genus">
|
||
<emphasis id="B90A1B51B435E549FB18FE43B572ABAA" box="[1169,1326,387,411]" italics="true" pageId="1" pageNumber="460">Plectograptus</emphasis>
|
||
(
|
||
<bibRefCitation id="EFEFBAB2B435E549FACDFE43B3B0AB8B" author="Kozlowska-Dawidziuk, A." pageId="1" pageNumber="460" pagination="261 - 326" refId="ref7163" refString="Kozlowska-Dawidziuk, A. 1995. Silurian retiolitids of the East European Platform. Acta Palaeontologica Polonica 40: 261 - 326." type="journal article" year="1995">Kozłowska−Dawidziuk 1995</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. The main differences between these two genera are the presence in
|
||
<taxonomicName id="4C7EBCC0B435E549FBFDFE03B54DABEA" baseAuthorityName="Kozlowska-Dawidziuk" baseAuthorityYear="1995" box="[1140,1297,451,475]" class="Pterobranchia" family="Retiolitidae" genus="Plectograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="genus">
|
||
<emphasis id="B90A1B51B435E549FBFDFE03B54DABEA" box="[1140,1297,451,475]" italics="true" pageId="1" pageNumber="460">Plectograptus</emphasis>
|
||
</taxonomicName>
|
||
of large lateral proximal orifices, and a nematularium. Nematularia have only been found in flattened material (
|
||
<bibRefCitation id="EFEFBAB2B435E549FB5BFDC3B33BA80A" author="Moberg, J. C. & Tornquist, S. L." pageId="1" pageNumber="460" pagination="1 - 20" refId="ref7651" refString="Moberg, J. C. and Tornquist, S. L. 1909. Retioloidea fran Skanes Colonusskiffer. Sveriges Geologiska Undersokning C 213: 1 - 20." type="journal article" year="1909">Moberg and Törnquist 1909</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFEFBAB2B435E549FCFFFDE3B47CA80B" author="Eisenack, A." box="[886,1056,546,571]" pageId="1" pageNumber="460" pagination="129 - 163" refId="ref6884" refString="Eisenack, A. 1951. Retioliten aus dem Graptolithengestein. Palaeontographica 100: 129 - 163." type="journal article" year="1951">Eisenack 1951</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFEFBAB2B435E549FBA6FDE3B509A80B" author="Boucek, B. & Munch, A." box="[1071,1365,546,571]" pageId="1" pageNumber="460" pagination="1 - 151" refId="ref6940" refString="Boucek, B. and Munch, A. 1952. Retioliti stredoevropskeho svrniho wenlocku a ludlowu [in Czech, Russian and English]. Sbornik Ustredniho Ustavu Geologickeho 19: 1 - 151." type="journal article" year="1952">Bouček and Münch 1952</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFEFBAB2B435E549FAEAFDE3B334A86B" author="Tomczyk, H." pageId="1" pageNumber="460" pagination="1 - 77" refId="ref7859" refString="Tomczyk, H. 1956. Wenlok i ludlow w synklinie kieleckiej Gor Swietokrzyskich. Prace Instytutu Geologicznego 16: 1 - 77." type="journal article" year="1956">Tomczyk 1956</bibRefCitation>
|
||
). The rhabdosome of
|
||
<taxonomicName id="4C7EBCC0B435E549FBDEFD83B4B0A86B" authorityName="Boucek and Munch" authorityYear="1952" box="[1111,1260,579,602]" class="Pterobranchia" family="Retiolitidae" genus="Spinograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="1" pageNumber="460" phylum="Hemichordata" rank="genus">
|
||
<emphasis id="B90A1B51B435E549FBDEFD83B4B0A86B" box="[1111,1260,579,602]" italics="true" pageId="1" pageNumber="460">Spinograptus</emphasis>
|
||
</taxonomicName>
|
||
typically tapers distally, and in most species ends with an appendix (
|
||
<bibRefCitation id="EFEFBAB2B435E549FA1AFDA3B328A8AA" author="Lenz, A. C." pageId="1" pageNumber="460" pagination="851 - 860" refId="ref7420" refString="Lenz, A. C. 1994 a. Uppermost Wenlock and lower Ludlow plectograptine graptolites, Arctic Islands, Canada: new isolated material. Journal of Paleontology 68: 851 - 860." type="journal article" year="1994">Lenz 1994a</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFEFBAB2B435E549FCF6FD43B498A8AA" author="Kozlowska-Dawidziuk, A." box="[895,1220,643,667]" pageId="1" pageNumber="460" pagination="391 - 412" refId="ref7186" refString="Kozlowska-Dawidziuk, A. 1997. Retiolitid graptolite Spinograptus from Poland and its membrane structures. Acta Palaeontologica Polonica 42: 391 - 412." type="journal article" year="1997">Kozłowska−Dawidziuk 1997</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |