274 lines
34 KiB
XML
274 lines
34 KiB
XML
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<mods:title id="268797C7A00E9A699265F2D823CE82F7">The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)</mods:title>
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<mods:namePart id="7F69E9E1D7DFAD0072CE0ED6CDA1F835">Korn, Dieter</mods:namePart>
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<mods:affiliation id="F26D86C8C626693C4B55803060B12939">Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany.</mods:affiliation>
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<mods:nameIdentifier id="4D2D272CFA2A9BCFE9515246ED6BECDF" type="email">dieter.korn@mfn.berlin</mods:nameIdentifier>
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<mods:namePart id="C9F2637E4ED38CC90D813FC670CCACD2">Weyer, Dieter</mods:namePart>
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<mods:affiliation id="F32D46BD532C6F3C28CAE07465F7C17B">Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany.</mods:affiliation>
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<mods:nameIdentifier id="3D5C773FAEC191EFF25F48C478427D06" type="email">dieter.weyer@t-online.de</mods:nameIdentifier>
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<mods:title id="A9E9C6A8FC27F2FF0DEDA4CDA80BD3C9">European Journal of Taxonomy</mods:title>
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<mods:part id="7FBCBA7F7AF9F62D68ED6F99962FBAE0">
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<mods:date id="0B24027276DFC3A7C4E9E7679D809140">2023</mods:date>
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<mods:number id="651F5442D5A6A9F38ADAF2850819DFDC">2023-07-19</mods:number>
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<mods:number id="667A4BECD92D8F74EB5AB865C5F278C4">882</mods:number>
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<treatment id="03EA5C14CA218565FD6CF9EFFEAA8507" ID-DOI="http://doi.org/10.5281/zenodo.8180628" ID-GBIF-Taxon="212420255" ID-Zenodo-Dep="8180628" LSID="urn:lsid:zoobank.org:act:62D5E824-BACD-4D6F-B03E-2F09A89D9349" httpUri="http://treatment.plazi.org/id/03EA5C14CA218565FD6CF9EFFEAA8507" lastPageId="42" lastPageNumber="43" pageId="40" pageNumber="41">
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<subSubSection id="C359BE89CA218567FD6CF9EFFB7882D3" pageId="40" pageNumber="41" type="nomenclature">
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<paragraph id="8BFCED02CA218567FD6CF9EFFC2082F4" blockId="40.[361,1226,1663,1761]" box="[674,914,1663,1689]" pageId="40" pageNumber="41">
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<heading id="D0B45A6ECA218567FD6CF9EFFC2082F4" box="[674,914,1663,1689]" centered="true" fontSize="11" level="2" pageId="40" pageNumber="41" reason="2">
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<taxonomicName id="4C439681CA218567FD6CF9EFFC8382F4" authority="Korn & Weyer, 2023" authorityName="Korn & Weyer" authorityYear="2023" box="[674,817,1663,1689]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="40" pageNumber="41" phylum="Mollusca" rank="species" species="acia" status="sp. nov.">
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<emphasis id="B9373110CA218567FD6CF9EFFC8382F4" bold="true" box="[674,817,1663,1689]" italics="true" pageId="40" pageNumber="41">Kornia acia</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2048C6BCA218567FCF6F9EFFC2082F4" box="[824,914,1663,1689]" pageId="40" pageNumber="41" rank="species">sp. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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<paragraph id="8BFCED02CA218567FEA7F933FB7882D3" blockId="40.[361,1226,1663,1761]" box="[361,1226,1699,1726]" pageId="40" pageNumber="41">
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<uri id="FFD2E100CA218567FEA7F933FB7882D3" box="[361,1226,1699,1726]" pageId="40" pageNumber="41">
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urn:lsid:zoobank.org:act:
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<uuid id="FFE5D7D7CA218567FD49F933FB7882D3" box="[647,1226,1699,1726]" pageId="40" pageNumber="41">62D5E824-BACD-4D6F-B03E-2F09A89D9349</uuid>
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</uri>
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</paragraph>
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||
</subSubSection>
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<subSubSection id="C359BE89CA218567FD4CF957FC03828C" box="[642,945,1735,1761]" pageId="40" pageNumber="41" type="description">
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<paragraph id="8BFCED02CA218567FD4CF957FC03828C" blockId="40.[361,1226,1663,1761]" box="[642,945,1735,1761]" pageId="40" pageNumber="41">
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<figureCitation id="1378F187CA218567FD4CF957FCBB828C" box="[642,777,1735,1761]" captionStart-0="Fig" captionStart-1="Fig" captionStartId-0="41.[189,232,1961,1987]" captionStartId-1="42.[189,232,1697,1723]" captionTargetBox-0="[221,1368,1540,1913]" captionTargetBox-1="[189,1400,1124,1654]" captionTargetId-0="figure-390@41.[211,1376,1536,1920]" captionTargetId-1="figure-127@42.[189,1400,1124,1654]" captionTargetPageId-0="41" captionTargetPageId-1="42" captionText-0="Fig. 27. Kornia acia sp. nov. from the Oberrödinghausen railway cutting; holotype MB.C.31073.1 (Weyer 1993–1994 Coll.) from bed 5a2. Scale bar units =1 mm." captionText-1="Fig. 28. Kornia acia sp. nov. from Oberrödinghausen railway cutting; both Weyer 1993–1994 Coll. A. Cross section of paratype MB.C.31072 from an unknown bed. B. Growth line course of holotype MB.C.31073.1 (Weyer 1993–1994 Coll.) from bed 5a2, at dm= 11.1 mm, ww =11.6 mm, wh=5.3 mm. C–E. Ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/ dm), whorl width index (ww/wh) and whorl expansion rate (WER) of selected specimens. Scale bar units =1 mm." figureDoi-0="http://doi.org/10.5281/zenodo.8177635" figureDoi-1="http://doi.org/10.5281/zenodo.8177637" httpUri-0="https://zenodo.org/record/8177635/files/figure.png" httpUri-1="https://zenodo.org/record/8177637/files/figure.png" pageId="40" pageNumber="41">Figs 27–28</figureCitation>
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;
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<tableCitation id="C6C1D8B9CA218567FCDAF957FC03828C" box="[788,945,1735,1761]" captionStart-0="Table 17" captionStart-1="Table 18" captionStartId-0="42.[189,258,418,444]" captionStartId-1="42.[189,258,669,695]" captionTargetPageId-0="42" captionTargetPageId-1="42" captionText-0="Table 17. Conch measurements, ratios and rates of Kornia acia sp. nov." captionText-1="Table 18. Conch ontogeny of Kornia acia sp. nov." httpUri-0="http://table.plazi.org/id/DF3CBD8ACA238565FF73FE32FBB585D1" httpUri-1="http://table.plazi.org/id/DF3CBD8ACA238565FF73FD0DFCBE86D5" pageId="40" pageNumber="41" tableUuid-0="DF3CBD8ACA238565FF73FE32FBB585D1" tableUuid-1="DF3CBD8ACA238565FF73FD0DFCBE86D5">Tables 17–18</tableCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C359BE89CA218567FF73F899FB7B831A" pageId="40" pageNumber="41" type="diagnosis">
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<paragraph id="8BFCED02CA218567FF73F899FE84834E" blockId="40.[189,310,1801,1827]" box="[189,310,1801,1827]" pageId="40" pageNumber="41">
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||
<heading id="D0B45A6ECA218567FF73F899FE84834E" bold="true" box="[189,310,1801,1827]" fontSize="11" level="3" pageId="40" pageNumber="41" reason="3">
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<emphasis id="B9373110CA218567FF73F899FE84834E" bold="true" box="[189,310,1801,1827]" pageId="40" pageNumber="41">Diagnosis</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BFCED02CA218567FF73F8A9FB7B831A" blockId="40.[189,1398,1848,1911]" pageId="40" pageNumber="41">
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Species of
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<taxonomicName id="4C439681CA218567FE8AF8A9FE25833F" authorityName="Ebbighausen & Bockwinkel" authorityYear="2007" box="[324,407,1849,1874]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="40" pageNumber="41" phylum="Mollusca" rank="genus">
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<emphasis id="B9373110CA218567FE8AF8A9FE25833F" box="[324,407,1849,1874]" italics="true" pageId="40" pageNumber="41">Kornia</emphasis>
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</taxonomicName>
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with globular to spindle-shaped, involute conch (ww/dm ~1.05; uw/dm ~0.10) at
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<quantity id="4CBB40E7CA218567FF73F8CDFEA2831A" box="[189,272,1885,1911]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="40" pageNumber="41" unit="mm" value="12.0">12 mm</quantity>
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conch diameter. Growth lines lamellar with moderately deep, wide ventral sinus.
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</paragraph>
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</subSubSection>
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<subSubSection id="C359BE89CA218567FF73F80FFBBF8385" box="[189,1037,1951,2025]" pageId="40" pageNumber="41" type="etymology">
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<paragraph id="8BFCED02CA218567FF73F80FFEF683D4" blockId="40.[189,324,1951,1977]" box="[189,324,1951,1977]" pageId="40" pageNumber="41">
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<heading id="D0B45A6ECA218567FF73F80FFEF683D4" bold="true" box="[189,324,1951,1977]" fontSize="11" level="3" pageId="40" pageNumber="41" reason="3">
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<emphasis id="B9373110CA218567FF73F80FFEF683D4" bold="true" box="[189,324,1951,1977]" pageId="40" pageNumber="41">Etymology</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BFCED02CA218567FF73F85FFBBF8385" blockId="40.[189,1037,1998,2025]" box="[189,1037,1998,2025]" pageId="40" pageNumber="41">
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From the Latin ‘
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<taxonomicName id="4C439681CA218567FEB0F85FFE038385" authorityName="Korn & Weyer" authorityYear="2023" box="[382,433,1999,2024]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="40" pageNumber="41" phylum="Mollusca" rank="species" species="acia">
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<emphasis id="B9373110CA218567FEB0F85FFE038385" box="[382,433,1999,2024]" italics="true" pageId="40" pageNumber="41">acia</emphasis>
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</taxonomicName>
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’ = ‘yarn’, as the conch has the shape of a yarn reel.
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</paragraph>
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</subSubSection>
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<subSubSection id="C359BE89CA208566FF73FE98FB56862E" pageId="41" pageNumber="42" type="materials_examined">
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<paragraph id="8BFCED02CA208566FF73FE98FE18854F" blockId="41.[189,426,264,290]" box="[189,426,264,290]" pageId="41" pageNumber="42">
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<heading id="D0B45A6ECA208566FF73FE98FE18854F" bold="true" box="[189,426,264,290]" fontSize="11" level="3" pageId="41" pageNumber="42" reason="3">
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<emphasis id="B9373110CA208566FF73FE98FE18854F" bold="true" box="[189,426,264,290]" pageId="41" pageNumber="42">Material examined</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BFCED02CA208566FF24FEA7FEEE853C" blockId="41.[189,1398,311,408]" box="[234,348,311,337]" pageId="41" pageNumber="42">
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<emphasis id="B9373110CA208566FF24FEA7FEEE853C" bold="true" box="[234,348,311,337]" pageId="41" pageNumber="42">
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<typeStatus id="54F853A0CA208566FF24FEA7FEEE853C" box="[234,348,311,337]" pageId="41" pageNumber="42" type="holotype">Holotype</typeStatus>
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</emphasis>
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</paragraph>
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<paragraph id="8BFCED02CA208566FF73FECAFC6085F5" blockId="41.[189,1398,311,408]" pageId="41" pageNumber="42">
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<materialsCitation id="3B2BE75FCA208566FF73FECAFC6085F5" ID-GBIF-Occurrence="4165071465" country="Germany" location="Rhenish Mountains" pageId="41" pageNumber="42" specimenCount="1" typeStatus="holotype">
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<collectingCountry id="F354AD92CA208566FF73FECAFEE38519" box="[189,337,346,372]" name="Germany" pageId="41" pageNumber="42">GERMANY</collectingCountry>
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•
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<location id="8E9CBBD9CA208566FEBCFECAFDED8519" LSID="urn:lsid:plazi:treatment:03EA5C14CA218565FD6CF9EFFEAA8507:8E9CBBD9CA208566FEBCFECAFDED8519" box="[370,607,346,372]" country="Germany" name="Rhenish Mountains" pageId="41" pageNumber="42">Rhenish Mountains</location>
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, Oberrödinghausen, railway cutting; Hangenberg Limestone, bed 5a2; Weyer 1993–1994 Coll.; illustrated in
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<figureCitation id="1378F187CA208566FD77FEEDFCBE85F5" box="[697,780,381,408]" captionStart="Fig" captionStartId="41.[189,232,1961,1987]" captionTargetBox="[221,1368,1540,1913]" captionTargetId="figure-390@41.[211,1376,1536,1920]" captionTargetPageId="41" captionText="Fig. 27. Kornia acia sp. nov. from the Oberrödinghausen railway cutting; holotype MB.C.31073.1 (Weyer 1993–1994 Coll.) from bed 5a2. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.8177635" httpUri="https://zenodo.org/record/8177635/files/figure.png" pageId="41" pageNumber="42">Fig. 27</figureCitation>
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; MB.C.31073.1.
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</materialsCitation>
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</paragraph>
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<paragraph id="8BFCED02CA208566FF24FE2FFED585B4" blockId="41.[185,1398,447,579]" box="[234,359,447,473]" pageId="41" pageNumber="42">
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<emphasis id="B9373110CA208566FF24FE2FFED585B4" bold="true" box="[234,359,447,473]" pageId="41" pageNumber="42">
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<typeStatus id="54F853A0CA208566FF24FE2FFED585B4" box="[234,359,447,473]" pageId="41" pageNumber="42" type="paratype">Paratypes</typeStatus>
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</emphasis>
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</paragraph>
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<paragraph id="8BFCED02CA208566FF73FE72FB56862E" blockId="41.[185,1398,447,579]" pageId="41" pageNumber="42">
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<materialsCitation id="3B2BE75FCA208566FF73FE72FCBC8672" ID-GBIF-Occurrence="4165071535" country="Germany" county="Korn" location="Rhenish Mountains" municipality="Hangenberg Limestone" pageId="41" pageNumber="42" specimenCount="1" typeStatus="paratype">
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<collectingCountry id="F354AD92CA208566FF73FE72FEE38591" box="[189,337,482,508]" name="Germany" pageId="41" pageNumber="42">GERMANY</collectingCountry>
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||
•
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<specimenCount id="9D45268BCA208566FEAAFE72FE598591" box="[356,491,482,508]" pageId="41" pageNumber="42" type="generic">1 specimen</specimenCount>
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||
;
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<location id="8E9CBBD9CA208566FE3AFE72FD688591" LSID="urn:lsid:plazi:treatment:03EA5C14CA218565FD6CF9EFFEAA8507:8E9CBBD9CA208566FE3AFE72FD688591" box="[500,730,482,508]" country="Germany" county="Korn" municipality="Hangenberg Limestone" name="Rhenish Mountains" pageId="41" pageNumber="42">Rhenish Mountains</location>
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,
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<location id="8E9CBBD9CA208566FD2DFE72FC0D8591" LSID="urn:lsid:plazi:treatment:03EA5C14CA218565FD6CF9EFFEAA8507:8E9CBBD9CA208566FD2DFE72FC0D8591" box="[739,959,482,508]" country="Germany" county="Korn" municipality="Hangenberg Limestone" name="Oberrodinghausen" pageId="41" pageNumber="42">Oberrödinghausen</location>
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, road cutting;
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<collectingMunicipality id="6B987778CA208566FB91FE72FAC08591" box="[1119,1394,482,508]" pageId="41" pageNumber="42">Hangenberg Limestone</collectingMunicipality>
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,
|
||
<taxonomicName id="4C439681CA208566FF75FD96FE18864D" authority="Zone" authorityName="Zone" box="[187,426,517,544]" class="Cephalopoda" family="Pseudarietitidae" genus="Paprothites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitida" pageId="41" pageNumber="42" phylum="Mollusca" rank="species" species="dorsoplanus">
|
||
<emphasis id="B9373110CA208566FF75FD96FED68672" box="[187,356,517,543]" italics="true" pageId="41" pageNumber="42">P.dorsoplanus</emphasis>
|
||
Zone
|
||
</taxonomicName>
|
||
;
|
||
<collectingCounty id="629D958ECA208566FE7CFD96FE5C864D" box="[434,494,518,544]" pageId="41" pageNumber="42">Korn</collectingCounty>
|
||
1977Coll.; MB.C.31072
|
||
</materialsCitation>
|
||
•
|
||
<materialsCitation id="3B2BE75FCA208566FCD1FD95FB6D862E" ID-GBIF-Occurrence="4165071615" country="Germany" county="Weyer" location="Rhenish Mountains" municipality="Hangenberg Limestone" pageId="41" pageNumber="42" specimenCount="1" typeStatus="paratype">
|
||
<specimenCount id="9D45268BCA208566FCD1FD95FC168672" box="[799,932,517,543]" pageId="41" pageNumber="42" type="generic">1specimen</specimenCount>
|
||
;
|
||
<location id="8E9CBBD9CA208566FC65FD95FB3D8672" LSID="urn:lsid:plazi:treatment:03EA5C14CA218565FD6CF9EFFEAA8507:8E9CBBD9CA208566FC65FD95FB3D8672" box="[939,1167,517,543]" country="Germany" county="Weyer" municipality="Hangenberg Limestone" name="Rhenish Mountains" pageId="41" pageNumber="42">Rhenish Mountains</location>
|
||
,
|
||
<location id="8E9CBBD9CA208566FB58FD95FAC08672" LSID="urn:lsid:plazi:treatment:03EA5C14CA218565FD6CF9EFFEAA8507:8E9CBBD9CA208566FB58FD95FAC08672" box="[1174,1394,517,543]" country="Germany" county="Weyer" municipality="Hangenberg Limestone" name="Oberrodinghausen" pageId="41" pageNumber="42">Oberrödinghausen</location>
|
||
, railway cutting;
|
||
<collectingMunicipality id="6B987778CA208566FEB7FDB8FD3C862F" box="[377,654,552,578]" pageId="41" pageNumber="42">Hangenberg Limestone</collectingMunicipality>
|
||
, bed 5a2;
|
||
<collectingCounty id="629D958ECA208566FCCBFDB9FCE3862E" box="[773,849,553,579]" pageId="41" pageNumber="42">Weyer</collectingCounty>
|
||
1993–1994 Coll.; MB.C.31073.2
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C359BE89CA208566FF73FDFAFE6280D0" pageId="41" pageNumber="42" type="description">
|
||
<paragraph id="8BFCED02CA208566FF73FDFAFEFC86E9" blockId="41.[189,334,618,644]" box="[189,334,618,644]" pageId="41" pageNumber="42">
|
||
<heading id="D0B45A6ECA208566FF73FDFAFEFC86E9" bold="true" box="[189,334,618,644]" fontSize="11" level="3" pageId="41" pageNumber="42" reason="3">
|
||
<emphasis id="B9373110CA208566FF73FDFAFEFC86E9" bold="true" box="[189,334,618,644]" pageId="41" pageNumber="42">Description</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8BFCED02CA208566FF73FD08FD3F87A1" blockId="41.[188,1399,664,973]" pageId="41" pageNumber="42">
|
||
<typeStatus id="54F853A0CA208566FF73FD08FE9886DF" box="[189,298,664,690]" pageId="41" pageNumber="42" type="holotype">Holotype</typeStatus>
|
||
MB.C.31073.1 is a well-preserved specimen that is fully covered by shell material (
|
||
<figureCitation id="1378F187CA208566FADEFD08FADB86DE" box="[1296,1385,664,691]" captionStart="Fig" captionStartId="41.[189,232,1961,1987]" captionTargetBox="[221,1368,1540,1913]" captionTargetId="figure-390@41.[211,1376,1536,1920]" captionTargetPageId="41" captionText="Fig. 27. Kornia acia sp. nov. from the Oberrödinghausen railway cutting; holotype MB.C.31073.1 (Weyer 1993–1994 Coll.) from bed 5a2. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.8177635" httpUri="https://zenodo.org/record/8177635/files/figure.png" pageId="41" pageNumber="42">Fig. 27</figureCitation>
|
||
). It has a conch diameter of
|
||
<quantity id="4CBB40E7CA208566FE36FD2CFDD386BB" box="[504,609,700,726]" metricMagnitude="-2" metricUnit="m" metricValue="1.23" pageId="41" pageNumber="42" unit="mm" value="12.3">12.3 mm</quantity>
|
||
and changes from spindle-shaped to globular in the last half whorl (ww/dm = 1.13 at
|
||
<quantity id="4CBB40E7CA208566FE56FD4FFE598694" box="[408,491,735,761]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="41" pageNumber="42" unit="mm" value="10.0">10 mm</quantity>
|
||
dm; ww/dm = 1.05 at
|
||
<quantity id="4CBB40E7CA208566FD37FD4FFCD08694" box="[761,866,735,761]" metricMagnitude="-2" metricUnit="m" metricValue="1.23" pageId="41" pageNumber="42" unit="mm" value="12.3">12.3 mm</quantity>
|
||
dm); the umbilicus is very narrow (uw/dm = 0.10 at
|
||
<quantity id="4CBB40E7CA208566FED8FC92FE328770" box="[278,384,770,797]" metricMagnitude="-2" metricUnit="m" metricValue="1.23" pageId="41" pageNumber="42" unit="mm" value="12.3">12.3 mm</quantity>
|
||
dm). The peculiar apertural shape shows a pronounced umbilical margin, from where the flanks, which are nearly arranged in right angles, rapidly converge towards the broadly rounded venter. The aperture is very low (WER = 1.47). The shell surface shows lamellar growth lines; they form a pronounced dorsolateral projection and turn back to proceed in a very wide and moderately deep sinus across flanks and venter (
|
||
<figureCitation id="1378F187CA208566FE26FC1FFDE787C4" box="[488,597,911,937]" captionStart="Fig" captionStartId="42.[189,232,1697,1723]" captionTargetBox="[189,1400,1124,1654]" captionTargetId="figure-127@42.[189,1400,1124,1654]" captionTargetPageId="42" captionText="Fig. 28. Kornia acia sp. nov. from Oberrödinghausen railway cutting; both Weyer 1993–1994 Coll. A. Cross section of paratype MB.C.31072 from an unknown bed. B. Growth line course of holotype MB.C.31073.1 (Weyer 1993–1994 Coll.) from bed 5a2, at dm= 11.1 mm, ww =11.6 mm, wh=5.3 mm. C–E. Ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/ dm), whorl width index (ww/wh) and whorl expansion rate (WER) of selected specimens. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.8177637" httpUri="https://zenodo.org/record/8177637/files/figure.png" pageId="41" pageNumber="42">Fig. 28B</figureCitation>
|
||
). At a major non-lethal shell damage, the growth lines deviate from this course during the interval of repair.
|
||
</paragraph>
|
||
<paragraph id="8BFCED02CA208566FF73FC64FE6280D0" blockId="41.[188,1399,1011,1214]" pageId="41" pageNumber="42">
|
||
<typeStatus id="54F853A0CA208566FF73FC64FE968063" box="[189,292,1012,1038]" pageId="41" pageNumber="42" type="paratype">Paratype</typeStatus>
|
||
MB.C.31072 was sectioned and allows the study of conch ontogeny up to a diameter of
|
||
<quantity id="4CBB40E7CA208566FAEBFC64FAC58063" box="[1317,1399,1012,1038]" metricMagnitude="-2" metricUnit="m" metricValue="1.9" pageId="41" pageNumber="42" unit="mm" value="19.0">19 mm</quantity>
|
||
(
|
||
<figureCitation id="1378F187CA208566FF0BFB87FE86805C" box="[197,308,1047,1073]" captionStart="Fig" captionStartId="42.[189,232,1697,1723]" captionTargetBox="[189,1400,1124,1654]" captionTargetId="figure-127@42.[189,1400,1124,1654]" captionTargetPageId="42" captionText="Fig. 28. Kornia acia sp. nov. from Oberrödinghausen railway cutting; both Weyer 1993–1994 Coll. A. Cross section of paratype MB.C.31072 from an unknown bed. B. Growth line course of holotype MB.C.31073.1 (Weyer 1993–1994 Coll.) from bed 5a2, at dm= 11.1 mm, ww =11.6 mm, wh=5.3 mm. C–E. Ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/ dm), whorl width index (ww/wh) and whorl expansion rate (WER) of selected specimens. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.8177637" httpUri="https://zenodo.org/record/8177637/files/figure.png" pageId="41" pageNumber="42">Fig. 28A</figureCitation>
|
||
). All whorls have a similar profile, but the ww/wh ratio decreases from about 3.00 at
|
||
<quantity id="4CBB40E7CA208566FAD3FB86FAC5805C" box="[1309,1399,1046,1073]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="41" pageNumber="42" unit="mm" value="1.5">1.5 mm</quantity>
|
||
conch diameter to about 1.80 at
|
||
<quantity id="4CBB40E7CA208566FDF4FBAAFD3F8039" box="[570,653,1082,1108]" metricMagnitude="-2" metricUnit="m" metricValue="1.9" pageId="41" pageNumber="42" unit="mm" value="19.0">19 mm</quantity>
|
||
diameter (
|
||
<figureCitation id="1378F187CA208566FCC2FBAAFCC98039" box="[780,891,1082,1108]" captionStart="Fig" captionStartId="42.[189,232,1697,1723]" captionTargetBox="[189,1400,1124,1654]" captionTargetId="figure-127@42.[189,1400,1124,1654]" captionTargetPageId="42" captionText="Fig. 28. Kornia acia sp. nov. from Oberrödinghausen railway cutting; both Weyer 1993–1994 Coll. A. Cross section of paratype MB.C.31072 from an unknown bed. B. Growth line course of holotype MB.C.31073.1 (Weyer 1993–1994 Coll.) from bed 5a2, at dm= 11.1 mm, ww =11.6 mm, wh=5.3 mm. C–E. Ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/ dm), whorl width index (ww/wh) and whorl expansion rate (WER) of selected specimens. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.8177637" httpUri="https://zenodo.org/record/8177637/files/figure.png" pageId="41" pageNumber="42">Fig. 28D</figureCitation>
|
||
). At the same time, the shape of the profile changes from broad kidney-shaped to C-shaped. At all size stages, the flanks are strongly convergent and the venter is comparatively narrow. The umbilical margin is particularly pronounced between 4 and
|
||
<quantity id="4CBB40E7CA208566FF72FB34FEBD80D3" box="[188,271,1188,1214]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="41" pageNumber="42" unit="mm" value="10.0">10 mm</quantity>
|
||
conch diameter.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C359BE89CA208565FF73FB75FEAA8507" lastPageId="42" lastPageNumber="43" pageId="41" pageNumber="42" type="discussion">
|
||
<paragraph id="8BFCED02CA208566FF73FB75FE9D8092" blockId="41.[189,303,1253,1279]" box="[189,303,1253,1279]" pageId="41" pageNumber="42">
|
||
<heading id="D0B45A6ECA208566FF73FB75FE9D8092" bold="true" box="[189,303,1253,1279]" fontSize="11" level="3" pageId="41" pageNumber="42" reason="3">
|
||
<emphasis id="B9373110CA208566FF73FB75FE9D8092" bold="true" box="[189,303,1253,1279]" pageId="41" pageNumber="42">Remarks</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8BFCED02CA208566FF73FA84FF4681D7" blockId="41.[189,1399,1299,1466]" pageId="41" pageNumber="42">
|
||
<taxonomicName id="4C439681CA208566FF73FA84FEFF8140" authority="Korn & Weyer, 2023" authorityName="Korn & Weyer" authorityYear="2023" box="[189,333,1300,1325]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="41" pageNumber="42" phylum="Mollusca" rank="species" species="acia" status="sp. nov.">
|
||
<emphasis id="B9373110CA208566FF73FA84FEFF8140" box="[189,333,1300,1325]" italics="true" pageId="41" pageNumber="42">Kornia acia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2048C6BCA208566FE99FA84FE068143" box="[343,436,1300,1326]" pageId="41" pageNumber="42" rank="species">sp. nov.</taxonomicNameLabel>
|
||
cannot be confused with any other ammonoid from the Hangenberg Limestone because of its peculiar spindle-shaped juvenile conch with raised umbilical margin and the strongly backward directed growth lines.
|
||
<taxonomicName id="4C439681CA208566FD8FFACBFD1A8119" authority="Korn & Weyer, 2023" authorityName="Korn & Weyer" authorityYear="2023" box="[577,680,1370,1396]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="41" pageNumber="42" phylum="Mollusca" rank="species" species="fibula" status="sp. nov.">
|
||
<emphasis id="B9373110CA208566FD8FFACBFD1A8119" box="[577,680,1370,1396]" italics="true" pageId="41" pageNumber="42">K. fibula</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2048C6BCA208566FD61FACAFCB88119" box="[687,778,1370,1396]" pageId="41" pageNumber="42" rank="species">sp. nov.</taxonomicNameLabel>
|
||
has a ball shaped conch with more broadly rounded venter and a wider umbilicus than
|
||
<taxonomicName id="4C439681CA208566FD9AFAEEFD1881FA" authorityName="Korn & Weyer" authorityYear="2023" box="[596,682,1406,1431]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="41" pageNumber="42" phylum="Mollusca" rank="species" species="acia">
|
||
<emphasis id="B9373110CA208566FD9AFAEEFD1881FA" box="[596,682,1406,1431]" italics="true" pageId="41" pageNumber="42">K. acia</emphasis>
|
||
</taxonomicName>
|
||
(uw/dm ~
|
||
<quantity id="4CBB40E7CA208566FCECFAEDFCC781FA" box="[802,885,1405,1431]" metricMagnitude="-3" metricUnit="m" metricValue="2.54" pageId="41" pageNumber="42" unit="in" value="0.1">0.10 in</quantity>
|
||
<taxonomicName id="4C439681CA208566FCB3FAEEFC6081FA" authorityName="Korn & Weyer" authorityYear="2023" box="[893,978,1406,1431]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="41" pageNumber="42" phylum="Mollusca" rank="species" species="acia">
|
||
<emphasis id="B9373110CA208566FCB3FAEEFC6081FA" box="[893,978,1406,1431]" italics="true" pageId="41" pageNumber="42">K. acia</emphasis>
|
||
</taxonomicName>
|
||
but ~
|
||
<quantity id="4CBB40E7CA208566FBDBFAEDFBDA81FA" box="[1045,1128,1405,1432]" metricMagnitude="-3" metricUnit="m" metricValue="3.81" pageId="41" pageNumber="42" unit="in" value="0.15">0.15 in</quantity>
|
||
<taxonomicName id="4C439681CA208566FBBEFAEEFB6781FA" authorityName="Korn & Weyer" authorityYear="2023" box="[1136,1237,1405,1431]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="41" pageNumber="42" phylum="Mollusca" rank="species" species="fibula">
|
||
<emphasis id="B9373110CA208566FBBEFAEEFB6781FA" box="[1136,1237,1405,1431]" italics="true" pageId="41" pageNumber="42">K. fibula</emphasis>
|
||
</taxonomicName>
|
||
at
|
||
<quantity id="4CBB40E7CA208566FB37FAEDFAC581F5" box="[1273,1399,1405,1432]" metricMagnitude="-2" metricUnit="m" metricValue="1.15" metricValueMax="1.2" metricValueMin="1.1" pageId="41" pageNumber="42" unit="mm" value="11.5" valueMax="12.0" valueMin="11.0">11–12 mm</quantity>
|
||
dm).
|
||
</paragraph>
|
||
<caption id="DF3CBD8ACA208566FF73F839FC19838A" ID-DOI="http://doi.org/10.5281/zenodo.8177635" ID-Zenodo-Dep="8177635" httpUri="https://zenodo.org/record/8177635/files/figure.png" pageId="41" pageNumber="42" startId="41.[189,232,1961,1987]" targetBox="[221,1368,1540,1913]" targetPageId="41">
|
||
<paragraph id="8BFCED02CA208566FF73F839FC19838A" blockId="41.[189,1399,1961,2023]" pageId="41" pageNumber="42">
|
||
<emphasis id="B9373110CA208566FF73F839FEAF83AE" bold="true" box="[189,285,1961,1987]" pageId="41" pageNumber="42">Fig. 27.</emphasis>
|
||
<taxonomicName id="4C439681CA208566FEE4F83AFE0E83AE" authority="Korn & Weyer, 2023" authorityName="Korn & Weyer" authorityYear="2023" box="[298,444,1962,1987]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="41" pageNumber="42" phylum="Mollusca" rank="species" species="acia" status="sp. nov.">
|
||
<emphasis id="B9373110CA208566FEE4F83AFE0E83AE" box="[298,444,1962,1987]" italics="true" pageId="41" pageNumber="42">Kornia acia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2048C6BCA208566FE09F83AFD9483A9" box="[455,550,1962,1988]" pageId="41" pageNumber="42" rank="species">sp. nov.</taxonomicNameLabel>
|
||
from the Oberrödinghausen railway cutting; holotype MB.C.31073.1 (Weyer 1993–1994 Coll.) from bed 5a2. Scale bar units =1 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BFCED02CA238565FF73FE9AFEAA8507" blockId="42.[189,1399,265,362]" pageId="42" pageNumber="43">
|
||
<taxonomicName id="4C439681CA238565FF73FE9AFEE9854E" authorityName="Ebbighausen & Bockwinkel" authorityYear="2007" box="[189,347,266,291]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="42" pageNumber="43" phylum="Mollusca" rank="species" species="citrus">
|
||
<emphasis id="B9373110CA238565FF73FE9AFEE9854E" box="[189,347,266,291]" italics="true" pageId="42" pageNumber="43">Kornia citrus</emphasis>
|
||
</taxonomicName>
|
||
from the Anti-Atlas has a very similar conch geometry, but differs from
|
||
<taxonomicName id="4C439681CA238565FB70FE99FAA6854E" authority="Korn & Weyer, 2023" authorityName="Korn & Weyer" authorityYear="2023" box="[1214,1300,265,291]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="42" pageNumber="43" phylum="Mollusca" rank="species" species="acia" status="sp. nov.">
|
||
<emphasis id="B9373110CA238565FB70FE99FAA6854E" box="[1214,1300,265,291]" italics="true" pageId="42" pageNumber="43">C. acia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2048C6BCA238565FAD5FE9AFAC58549" box="[1307,1399,266,292]" pageId="42" pageNumber="43" rank="species">sp. nov.</taxonomicNameLabel>
|
||
in the shape of the umbilical margin, which in
|
||
<taxonomicName id="4C439681CA238565FD3BFEBDFCEF852B" authorityName="Ebbighausen & Bockwinkel" authorityYear="2007" box="[757,861,301,326]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="42" pageNumber="43" phylum="Mollusca" rank="species" species="citrus">
|
||
<emphasis id="B9373110CA238565FD3BFEBDFCEF852B" box="[757,861,301,326]" italics="true" pageId="42" pageNumber="43">K. citrus</emphasis>
|
||
</taxonomicName>
|
||
is more strikingly raised but more rouded in
|
||
<taxonomicName id="4C439681CA238565FF71FEC0FEA38504" authorityName="Korn & Weyer" authorityYear="2023" box="[191,273,336,361]" class="Cephalopoda" family="Prionoceratidae" genus="Kornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Goniatitina" pageId="42" pageNumber="43" phylum="Mollusca" rank="species" species="acia">
|
||
<emphasis id="B9373110CA238565FF71FEC0FEA38504" box="[191,273,336,361]" italics="true" pageId="42" pageNumber="43">K. acia</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |