231 lines
26 KiB
XML
231 lines
26 KiB
XML
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<mods:title id="609D1E46EB37EDF73F0E22B8D25EEB87">Late Cretaceous Nautilid Juveniles Of Cymatoceras Reussi And Eutrephoceras Aff. Sublaevigatum - Scarce Fossils Under Risk Of Pyrite Degradation</mods:title>
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<mods:namePart id="9CEBC98BDBF4DEED384FF67B56CB86E3">Frank, Jiří</mods:namePart>
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<mods:namePart id="AFCC88EEFF2BEDF4C57DA513212D4AFA">Sklenář, Jan</mods:namePart>
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<mods:namePart id="2DB5608FC336223621D6EFCD7B1184F4">Ekrt, Boris</mods:namePart>
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<mods:affiliation id="442B7F9E5726FA8E4383D21FD5B75DA1">National Museum, Department of Palaeontology, Václavské náměstí 68, 115 74 Praha 1, the Czech Republic; e-mails: jiri _ frank @ nm. cz; jan _ sklenar @ nm. cz; boris _ ekrt @ nm. cz</mods:affiliation>
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<mods:title id="A0D254CCB31FFA8619353042EE7C1E90">Acta Musei Nationalis Pragae Series B</mods:title>
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</mods:titleInfo>
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<mods:date id="692453DFD76C5A74A25FAD07F60A3BF5">2014</mods:date>
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<mods:number id="87119F3219F526D490EE5EAFFABE83D0">2014-12-31</mods:number>
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<mods:number id="BFA14CC7FA66D2B6501144B321B39D5D">70</mods:number>
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<mods:detail id="CAF4D725C2868C95383B3CD1B7F4F6EA" type="issue">
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<mods:number id="DAE35911A8251AC677BFAC1B4D72510E">3 - 4</mods:number>
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<mods:start id="B4FC25D96947C80999D73B02A5226CEA">143</mods:start>
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<mods:url id="4750634F35CB00F15C758EAB07FEEEFF">http://dx.doi.org/10.14446/amnp.2014.143</mods:url>
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<treatment id="0382244FFF9BA258FCDFFA68FD14FA01" LSID="urn:lsid:plazi:treatment:0382244FFF9BA258FCDFFA68FD14FA01" httpUri="http://treatment.plazi.org/id/0382244FFF9BA258FCDFFA68FD14FA01" lastPageId="3" lastPageNumber="146" pageId="2" pageNumber="145">
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<subSubSection id="C331C6D2FF9BA259FCDFFA68FAC4FA01" pageId="2" pageNumber="145" type="nomenclature">
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<paragraph id="8B949559FF9BA259FCDFFA68FA7AFAD0" blockId="2.[870,1454,1342,1366]" box="[870,1454,1342,1366]" pageId="2" pageNumber="145">
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<heading id="D0DC2235FF9BA259FCDFFA68FA7AFAD0" box="[870,1454,1342,1366]" centered="true" fontSize="8" level="2" pageId="2" pageNumber="145" reason="2">
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<taxonomicName id="4C2BEEDAFF9BA259FCDFFA68FA7AFAD0" authority="(D' ORBIGNY, 1850)" baseAuthorityName="D' ORBIGNY" baseAuthorityYear="1850" box="[870,1454,1342,1366]" class="Cephalopoda" family="Nautilidae" genus="Eutrephoceras" isUncertain="true" kingdom="Animalia" order="Nautilida" pageId="2" pageNumber="145" phylum="Mollusca" rank="species" species="sublaevigatum">
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<emphasis id="B95F494BFF9BA259FCDFFA68FA7AFAD0" bold="true" box="[870,1454,1342,1366]" pageId="2" pageNumber="145">
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<emphasis id="B95F494BFF9BA259FCDFFA68FBD3FAD3" bold="true" box="[870,1031,1342,1366]" italics="true" pageId="2" pageNumber="145">Eutrephoceras</emphasis>
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aff.
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<emphasis id="B95F494BFF9BA259FB83FA68FB0EFAD3" bold="true" box="[1082,1242,1342,1366]" italics="true" pageId="2" pageNumber="145">sublaevigatum</emphasis>
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(
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<smallCapsWord id="8D720385FF9BA259FB53FA15FB2AFAD0" baselines="1360,1359" box="[1258,1278,1342,1365]" lowerCaseFontSize="8" mainFontSize="10" normCase="lower" normString="d'" pageId="2" pageNumber="145">D’</smallCapsWord>
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<bibRefCitation id="EFBAE8A8FF9BA259FB47FA68FAB0FAD0" author="Orbigny, A. d'" box="[1278,1380,1342,1365]" pageId="2" pageNumber="145" refId="ref4826" refString="Orbigny, A. d' (1850): Podromme de palentologie stratigraphique universelle des animaux mollusques et rayonnes. - Masson, Paris, 394 pp." type="book" year="1850">
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<smallCapsWord id="8D720385FF9BA259FB47FA68FAB0FAD0" baselines="1359,1360" box="[1278,1380,1342,1365]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Orbigny" pageId="2" pageNumber="145">ORBIGNY</smallCapsWord>
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</bibRefCitation>
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, 1850)
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8B949559FF9BA259FBBDFA38FAC4FA01" blockId="2.[1028,1296,1390,1412]" box="[1028,1296,1390,1412]" pageId="2" pageNumber="145">Pl. 1, fig. 2; Pl. 2, figs 1–8</paragraph>
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</subSubSection>
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<subSubSection id="C331C6D2FF9BA258FCF2FACAFD14FA01" lastPageId="3" lastPageNumber="146" pageId="2" pageNumber="145" type="description">
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<paragraph id="8B949559FF9BA259FCF2FACAFA1EFA56" blockId="2.[843,1482,1436,1844]" pageId="2" pageNumber="145">
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1840
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<taxonomicName id="4C2BEEDAFF9BA259FC79FACAFADDFA36" authority="D' ORBIGNY" authorityName="D' ORBIGNY" authorityYear="1840" box="[960,1289,1436,1460]" class="Cephalopoda" family="Nautilidae" genus="Nautilus" kingdom="Animalia" order="Nautilida" pageId="2" pageNumber="145" phylum="Mollusca" rank="species" species="laevigatus">
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<emphasis id="B95F494BFF9BA259FC79FACAFB5BFA31" box="[960,1167,1436,1460]" italics="true" pageId="2" pageNumber="145">Nautilus laevigatus</emphasis>
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<smallCapsWord id="8D720385FF9BA259FB2CFAF7FB7DFA36" baselines="1454,1453" box="[1173,1193,1436,1459]" lowerCaseFontSize="8" mainFontSize="10" normCase="lower" normString="d'" pageId="2" pageNumber="145">D’</smallCapsWord>
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<smallCapsWord id="8D720385FF9BA259FB10FACAFADDFA36" baselines="1453,1454" box="[1193,1289,1436,1459]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Orbigny" pageId="2" pageNumber="145">ORBIGNY</smallCapsWord>
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</taxonomicName>
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, 1, s. 84, tab. 17. non 1845
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<taxonomicName id="4C2BEEDAFF9BA259FC79FAEAFB2DFA56" authority="SOWERBY" authorityName="SOWERBY" box="[960,1273,1468,1492]" class="Cephalopoda" family="Nautilidae" genus="Nautilus" kingdom="Animalia" order="Nautilida" pageId="2" pageNumber="145" phylum="Mollusca" rank="species" species="inaequalis">
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<emphasis id="B95F494BFF9BA259FC79FAEAFB5BFA51" box="[960,1167,1468,1492]" italics="true" pageId="2" pageNumber="145">Nautilus inaequalis</emphasis>
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<smallCapsWord id="8D720385FF9BA259FB2FFAEAFB2DFA56" baselines="1485,1486" box="[1174,1273,1468,1491]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Sowerby" pageId="2" pageNumber="145">SOWERBY</smallCapsWord>
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</taxonomicName>
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; Reuss, p. 21, pl. 7,
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</paragraph>
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<paragraph id="8B949559FF9BA259FC79FA8AFA1EF9B6" blockId="2.[843,1482,1436,1844]" pageId="2" pageNumber="145">
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fig. 12. 1850
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<taxonomicName id="4C2BEEDAFF9BA259FC79FAAAFAD5F996" authority="D' ORB." authorityName="D' ORB." box="[960,1281,1532,1556]" class="Cephalopoda" family="Nautilidae" genus="Nautilus" kingdom="Animalia" order="Nautilida" pageId="2" pageNumber="145" phylum="Mollusca" rank="species" species="sublaevigatus">
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<emphasis id="B95F494BFF9BA259FC79FAAAFB64F991" box="[960,1200,1532,1556]" italics="true" pageId="2" pageNumber="145">Nautilus sublaevigatus</emphasis>
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<smallCapsWord id="8D720385FF9BA259FB0CF957FB1DF996" baselines="1550,1549" box="[1205,1225,1532,1555]" lowerCaseFontSize="8" mainFontSize="10" normCase="lower" normString="d'" pageId="2" pageNumber="145">D’</smallCapsWord>
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||
<smallCapsWord id="8D720385FF9BA259FB70FAAAFB2EF996" baselines="1549,1550" box="[1225,1274,1532,1555]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Orb" pageId="2" pageNumber="145">ORB</smallCapsWord>
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.
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</taxonomicName>
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; d’Orbigny p. 189. 1872
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<taxonomicName id="4C2BEEDAFF9BA259FC79F94AFA17F9B6" authority="FR. IN FRITSCH ET SCHLONBACH" box="[960,1475,1564,1588]" class="Cephalopoda" family="Nautilidae" genus="Nautilus" kingdom="Animalia" order="Nautilida" pageId="2" pageNumber="145" phylum="Mollusca" rank="species" species="reussi">
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<emphasis id="B95F494BFF9BA259FC79F94AFBB0F9B1" box="[960,1124,1564,1588]" italics="true" pageId="2" pageNumber="145">Nautilus reussi</emphasis>
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<smallCapsWord id="8D720385FF9BA259FBD5F94AFB5CF9B6" baselines="1581,1582" box="[1132,1160,1564,1587]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Fr" pageId="2" pageNumber="145">FR</smallCapsWord>
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||
.
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||
<smallCapsWord id="8D720385FF9BA259FB21F977FB79F9B6" baselines="1582" box="[1176,1197,1569,1587]" lowerCaseFontSize="8" mainFontSize="10" normCase="lower" normString="in" pageId="2" pageNumber="145">IN</smallCapsWord>
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<smallCapsWord id="8D720385FF9BA259FB0FF94AFAD9F9B6" baselines="1581,1582" box="[1206,1293,1564,1587]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Fritsch" pageId="2" pageNumber="145">FRITSCH</smallCapsWord>
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<smallCapsWord id="8D720385FF9BA259FAACF977FAFAF9B6" baselines="1582" box="[1301,1326,1569,1587]" lowerCaseFontSize="8" mainFontSize="10" normCase="lower" normString="et" pageId="2" pageNumber="145">ET</smallCapsWord>
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<smallCapsWord id="8D720385FF9BA259FA8FF94AFA17F9B6" baselines="1581,1582" box="[1334,1475,1564,1587]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Schlonbach" pageId="2" pageNumber="145">SCHLÖNBACH</smallCapsWord>
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</taxonomicName>
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,
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</paragraph>
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<paragraph id="8B949559FF9BA259FC79F96AFAA0F956" blockId="2.[843,1482,1436,1844]" pageId="2" pageNumber="145">
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p. 25, pl. 12, fig. 5a-c. 1893
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<taxonomicName id="4C2BEEDAFF9BA259FC79F90AFB5DF9F6" authority="FR." authorityName="FR." box="[960,1161,1628,1652]" class="Cephalopoda" family="Nautilidae" genus="Nautilus" kingdom="Animalia" order="Nautilida" pageId="2" pageNumber="145" phylum="Mollusca" rank="species" species="reussi">
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<emphasis id="B95F494BFF9BA259FC79F90AFBB4F9F1" box="[960,1120,1628,1652]" italics="true" pageId="2" pageNumber="145">Nautilus reussi</emphasis>
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||
<smallCapsWord id="8D720385FF9BA259FBDFF90AFB56F9F6" baselines="1645,1646" box="[1126,1154,1628,1651]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Fr" pageId="2" pageNumber="145">FR</smallCapsWord>
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.
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</taxonomicName>
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; Frič, p. 73, fig. 47. 1895
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<taxonomicName id="4C2BEEDAFF9BA259FC79F92AFB5DF916" authority="FR." authorityName="FR." box="[960,1161,1660,1684]" class="Cephalopoda" family="Nautilidae" genus="Nautilus" kingdom="Animalia" order="Nautilida" pageId="2" pageNumber="145" phylum="Mollusca" rank="species" species="reussi">
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<emphasis id="B95F494BFF9BA259FC79F92AFBB4F911" box="[960,1120,1660,1684]" italics="true" pageId="2" pageNumber="145">Nautilus reussi</emphasis>
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||
<smallCapsWord id="8D720385FF9BA259FBDFF92AFB56F916" baselines="1677,1678" box="[1126,1154,1660,1683]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Fr" pageId="2" pageNumber="145">FR</smallCapsWord>
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.
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</taxonomicName>
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; Frič, p. 71, fig. 47. 1934
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<taxonomicName id="4C2BEEDAFF9BA259FC79F9CAFB42F936" authority="FRIC" authorityName="FRIC" box="[960,1174,1692,1716]" class="Cephalopoda" family="Nautilidae" genus="Nautilus" kingdom="Animalia" order="Nautilida" pageId="2" pageNumber="145" phylum="Mollusca" rank="species" species="reussi">
|
||
<emphasis id="B95F494BFF9BA259FC79F9CAFBB4F931" box="[960,1120,1692,1716]" italics="true" pageId="2" pageNumber="145">Nautilus reussi</emphasis>
|
||
<smallCapsWord id="8D720385FF9BA259FBDFF9CAFB42F936" baselines="1709,1710" box="[1126,1174,1692,1715]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Fric" pageId="2" pageNumber="145">FRIČ</smallCapsWord>
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</taxonomicName>
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; Andert, p. 392. 1956
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<taxonomicName id="4C2BEEDAFF9BA259FC79F9EAFAB9F956" authority="FRITSCH ET SCHLONBACH" authorityName="FRITSCH ET SCHLONBACH" box="[960,1389,1724,1748]" class="Cephalopoda" family="Nautilidae" genus="Nautilus" kingdom="Animalia" order="Nautilida" pageId="2" pageNumber="145" phylum="Mollusca" rank="species" species="reussi">
|
||
<emphasis id="B95F494BFF9BA259FC79F9EAFBB4F951" box="[960,1120,1724,1748]" italics="true" pageId="2" pageNumber="145">Nautilus reussi</emphasis>
|
||
<smallCapsWord id="8D720385FF9BA259FBDFF9EAFB68F956" baselines="1741,1742" box="[1126,1212,1724,1747]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Fritsch" pageId="2" pageNumber="145">FRITSCH</smallCapsWord>
|
||
<smallCapsWord id="8D720385FF9BA259FB7AF997FB0FF956" baselines="1742" box="[1219,1243,1729,1747]" lowerCaseFontSize="8" mainFontSize="10" normCase="lower" normString="et" pageId="2" pageNumber="145">ET</smallCapsWord>
|
||
<smallCapsWord id="8D720385FF9BA259FB5BF9EAFAB9F956" baselines="1741,1742" box="[1250,1389,1724,1747]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Schlonbach" pageId="2" pageNumber="145">SCHLÖNBACH</smallCapsWord>
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</taxonomicName>
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;
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</paragraph>
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<paragraph id="8B949559FF9BA259FC79F98AFAC3F8B6" blockId="2.[843,1482,1436,1844]" pageId="2" pageNumber="145">
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Kummel, p. 344. 2007a
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<taxonomicName id="4C2BEEDAFF9BA259FC79F9AAFB50F896" box="[960,1156,1788,1812]" class="Cephalopoda" family="Nautilidae" genus="Eutrephoceras" kingdom="Animalia" order="Nautilida" pageId="2" pageNumber="145" phylum="Mollusca" rank="species" species="undetermined">
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||
<emphasis id="B95F494BFF9BA259FC79F9AAFB88F891" box="[960,1116,1788,1812]" italics="true" pageId="2" pageNumber="145">Eutrephoceras</emphasis>
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||
sp.
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||
</taxonomicName>
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||
; Frank, p. 112. 2007b
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<taxonomicName id="4C2BEEDAFF9BA259FC79F84AFB50F8B6" box="[960,1156,1820,1844]" class="Cephalopoda" family="Nautilidae" genus="Eutrephoceras" kingdom="Animalia" order="Nautilida" pageId="2" pageNumber="145" phylum="Mollusca" rank="species" species="undetermined">
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||
<emphasis id="B95F494BFF9BA259FC79F84AFB88F8B1" box="[960,1116,1820,1844]" italics="true" pageId="2" pageNumber="145">Eutrephoceras</emphasis>
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sp.
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</taxonomicName>
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; Frank, p. 35.
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</paragraph>
|
||
<paragraph id="8B949559FF9BA258FCC8F80AFDF8FF6A" blockId="2.[843,1482,1884,2099]" lastBlockId="3.[106,745,152,239]" lastPageId="3" lastPageNumber="146" pageId="2" pageNumber="145">D e s c r i p t i o n. Specimens have nautiliconic, involute ovoidal shell with depressed broadly rounded whorl cross section on ventral and lateral sides. The suture line is very simple with a relatively shallow lateral lobe and shallow/ almost straight ventral lobe. The umbilicus is broad, not completely filled with shell material, which could result from the method of preservation. The siphuncle is in a central position. Where the shell is partly preserved early juvenile reticular patterns (Pl. 2, figs. 2b, 4a, 5b-c,) or prominent growth lines (Pl. 2, fig. 8c) are noticeable.</paragraph>
|
||
<paragraph id="8B949559FF9AA258FF29FE51FE23FDC5" blockId="3.[106,745,263,1251]" pageId="3" pageNumber="146">
|
||
D i s c u s s i o n. Other determined specimens of Frič’s “
|
||
<taxonomicName id="4C2BEEDAFF9AA258FFCFFE71FEF1FEBA" authority="Reussi" authorityName="Reussi" box="[118,293,295,319]" class="Cephalopoda" family="Nautilidae" genus="Nautilus" kingdom="Animalia" order="Nautilida" pageId="3" pageNumber="146" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B95F494BFF9AA258FFCFFE71FEF1FEBA" box="[118,293,295,319]" italics="true" pageId="3" pageNumber="146">Nautilus Reussi</emphasis>
|
||
</taxonomicName>
|
||
” are most probably juveniles of
|
||
<taxonomicName id="4C2BEEDAFF9AA258FD1DFE7EFD84FEDA" authority="(D' ORBIGNY, 1840)" baseAuthorityName="D' ORBIGNY" baseAuthorityYear="1840" class="Cephalopoda" family="Nautilidae" genus="Eutrephoceras" kingdom="Animalia" order="Nautilida" pageId="3" pageNumber="146" phylum="Mollusca" rank="species" species="sublaevigatum">
|
||
<emphasis id="B95F494BFF9AA258FD1DFE7EFEA2FEDA" italics="true" pageId="3" pageNumber="146">Eutrephoceras sublaevigatum</emphasis>
|
||
(
|
||
<smallCapsWord id="8D720385FF9AA258FE3EFE1AFE4FFEDA" baselines="345,345" box="[391,411,328,351]" lowerCaseFontSize="8" mainFontSize="10" normCase="lower" normString="d'" pageId="3" pageNumber="146">D’</smallCapsWord>
|
||
<bibRefCitation id="EFBAE8A8FF9AA258FE22FE1EFD9CFEDA" author="Orbigny, A. d'" box="[411,584,328,351]" pageId="3" pageNumber="146" refId="ref4798" refString="Orbigny, A. d' (1840 - 1842): Paleontologie Francaise. Terrain Cretace I, Cephalopodes. - Masson, Paris, 662 pp." type="book" year="1840">
|
||
<smallCapsWord id="8D720385FF9AA258FE22FE1EFE2AFEDB" baselines="345,345" box="[411,510,328,351]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Orbigny" pageId="3" pageNumber="146">ORBIGNY</smallCapsWord>
|
||
, 1840
|
||
</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. Those specimens are similar in simple suture line, shape of the shell, whorl cross section as well as siphuncle position. There are no specimens of later ontogenetic stages or complete juvenile specimens with preserved living chamber and thus features firmly indicating ranking within
|
||
<taxonomicName id="4C2BEEDAFF9AA258FE07FEBFFDA7FD85" baseAuthorityName="D' ORBIGNY" baseAuthorityYear="1840" box="[446,627,488,512]" class="Cephalopoda" family="Nautilidae" genus="Eutrephoceras" kingdom="Animalia" order="Nautilida" pageId="3" pageNumber="146" phylum="Mollusca" rank="species" species="sublaevigatum">
|
||
<emphasis id="B95F494BFF9AA258FE07FEBFFDA7FD85" box="[446,627,488,512]" italics="true" pageId="3" pageNumber="146">E. sublaevigatum</emphasis>
|
||
</taxonomicName>
|
||
are absent. Therefore these specimens are left here in open nomenclature as
|
||
<taxonomicName id="4C2BEEDAFF9AA258FF3EFD7EFE27FDC5" baseAuthorityName="D' ORBIGNY" baseAuthorityYear="1840" box="[135,499,552,576]" class="Cephalopoda" family="Nautilidae" genus="Eutrephoceras" isUncertain="true" kingdom="Animalia" order="Nautilida" pageId="3" pageNumber="146" phylum="Mollusca" rank="species" species="sublaevigatum">
|
||
<emphasis id="B95F494BFF9AA258FF3EFD7EFEF7FDC5" box="[135,291,552,576]" italics="true" pageId="3" pageNumber="146">Eutrephoceras</emphasis>
|
||
aff.
|
||
<emphasis id="B95F494BFF9AA258FEEDFD7EFE27FDC5" box="[340,499,552,576]" italics="true" pageId="3" pageNumber="146">sublaevigatum</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B95F494BFF9AA258FE4AFD7EFE23FDC5" box="[499,503,552,576]" italics="true" pageId="3" pageNumber="146">.</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8B949559FF9AA258FF29FD1FFEC8FCA4" blockId="3.[106,745,263,1251]" pageId="3" pageNumber="146">
|
||
Frič (in
|
||
<bibRefCitation id="EFBAE8A8FF9AA258FF50FD1FFDF8FDE5" author="Fritsch, A. & Schlonbach, U." box="[233,556,585,608]" pageId="3" pageNumber="146" refId="ref4468" refString="Fritsch, A., Schlonbach, U. (1872): Cephalopoden der bohmischen Kreideformation. - Published by the authors, Prag. 52 pp." type="book" year="1872">Fritsch and Schlönbach, 1872</bibRefCitation>
|
||
) synonymized
|
||
<taxonomicName id="4C2BEEDAFF9AA258FD6BFD1FFE96FD05" baseAuthorityName="D' ORBIGNY" baseAuthorityYear="1840" class="Cephalopoda" family="Nautilidae" genus="Eutrephoceras" isUncertain="true" kingdom="Animalia" order="Nautilida" pageId="3" pageNumber="146" phylum="Mollusca" rank="species" species="sublaevigatum">
|
||
<emphasis id="B95F494BFF9AA258FD6BFD1FFD3DFDE5" box="[722,745,585,608]" italics="true" pageId="3" pageNumber="146">E.</emphasis>
|
||
aff.
|
||
<emphasis id="B95F494BFF9AA258FF1AFD3EFE96FD05" box="[163,322,616,640]" italics="true" pageId="3" pageNumber="146">sublaevigatum</emphasis>
|
||
</taxonomicName>
|
||
juvenile specimens with
|
||
<taxonomicName id="4C2BEEDAFF9AA258FD35FD3EFE48FD25" authority="(SOWERBY, 1812)" baseAuthorityName="SOWERBY" baseAuthorityYear="1812" class="Cephalopoda" family="Nautilidae" genus="Nautilus" kingdom="Animalia" order="Nautilida" pageId="3" pageNumber="146" phylum="Mollusca" rank="species" species="inaequalis">
|
||
<emphasis id="B95F494BFF9AA258FD35FD3EFF0EFD25" italics="true" pageId="3" pageNumber="146">Nautilus inaequalis</emphasis>
|
||
(
|
||
<bibRefCitation id="EFBAE8A8FF9AA258FF52FDDFFE40FD25" author="Sowerby, J." box="[235,404,649,672]" pageId="3" pageNumber="146" refId="ref4984" refString="Sowerby, J. (1812): The Mineral Conchology of Great Britain; or coloured figures and descriptions of those remains of testaceous animals which have been preserved at various times and depths in the earth. I. London, vii + 234 pp. http: // dx. doi. org / 10.5962 / bhl. title. 14408" type="book" year="1812">
|
||
<smallCapsWord id="8D720385FF9AA258FF52FDDFFE9AFD25" baselines="666,667" box="[235,334,649,672]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Sowerby" pageId="3" pageNumber="146">SOWERBY</smallCapsWord>
|
||
, 1812
|
||
</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
which was described in detail by Reuss in 1845, but according to the description and figures, the latter species differs from
|
||
<taxonomicName id="4C2BEEDAFF9AA258FDBDFD9CFD3DFD64" baseAuthorityName="D' ORBIGNY" baseAuthorityYear="1840" box="[516,745,713,737]" class="Cephalopoda" family="Nautilidae" genus="Eutrephoceras" isUncertain="true" kingdom="Animalia" order="Nautilida" pageId="3" pageNumber="146" phylum="Mollusca" rank="species" species="sublaevigatum">
|
||
<emphasis id="B95F494BFF9AA258FDBDFD9CFDCFFD64" box="[516,539,714,737]" italics="true" pageId="3" pageNumber="146">E.</emphasis>
|
||
aff.
|
||
<emphasis id="B95F494BFF9AA258FDF4FD9FFD3DFD64" box="[589,745,713,737]" italics="true" pageId="3" pageNumber="146">sublaevigatum</emphasis>
|
||
</taxonomicName>
|
||
in its almost flattened ventral side and centro-dorsal position of the siphuncle.
|
||
</paragraph>
|
||
<paragraph id="8B949559FF9AA258FF29FC7CFE47FC27" blockId="3.[106,745,263,1251]" pageId="3" pageNumber="146">
|
||
Prominent growth lines on the juveniles are very similar to
|
||
<taxonomicName id="4C2BEEDAFF9AA258FF34FC1FFDA3FCE4" authority="(SOWERBY, 1824)" baseAuthorityName="SOWERBY" baseAuthorityYear="1824" box="[141,631,841,865]" class="Cephalopoda" family="Nautilidae" genus="Eutrephoceras" kingdom="Animalia" order="Nautilida" pageId="3" pageNumber="146" phylum="Mollusca" rank="species" species="expansum">
|
||
<emphasis id="B95F494BFF9AA258FF34FC1FFE73FCE4" box="[141,423,841,865]" italics="true" pageId="3" pageNumber="146">Eutrephoceras expansum</emphasis>
|
||
(
|
||
<smallCapsWord id="8D720385FF9AA258FE07FC1CFDF6FCE4" baselines="859,860" box="[446,546,842,865]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Sowerby" pageId="3" pageNumber="146">SOWERBY</smallCapsWord>
|
||
, 1824)
|
||
</taxonomicName>
|
||
from the Cenomanian, but this species differs by its sinuous suture line with prominent lateral lobe.
|
||
</paragraph>
|
||
<paragraph id="8B949559FF9AA258FF29FCFDFD14FB66" blockId="3.[106,745,263,1251]" pageId="3" pageNumber="146">
|
||
There are fragments of shell preserved on the right lateral side of specimen NM-O7134 (Pl. 2, fig. 1b). This specimen was figured by
|
||
<bibRefCitation id="EFBAE8A8FF9AA258FEB4FCBDFEABFB87" author="Fric, A." box="[269,383,1003,1026]" pageId="3" pageNumber="146" pagination="1 - 130" refId="ref4307" refString="Fric, A. (1893): Studien im Gebiete der Bohmischen Kreideformation; V. Priesener Schichten. - Archiv Naturwissenschaften Landesdurchforschung Bohmen 9 (1): 1 - 130." type="journal article" year="1893">Frič (1893</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFBAE8A8FF9AA258FE30FCBDFE14FB87" author="Fric, A." box="[393,448,1003,1026]" pageId="3" pageNumber="146" pagination="1 - 130" refId="ref4341" refString="Fric, A. (1895): Studie v oboru kridoveho utvaru v Cechach; Paleontologicke prozkoumani jednotlivych vrstev; V. Brezenske vrstvy. - Archiv pro prirodovedecke prozkoumani Cech, 9 (1): 1 - 130." type="journal article" year="1895">1895</bibRefCitation>
|
||
) with a reconstructed living chamber. The shell is affected by diagenesis but still includes a considerable percentage of aragonite constituting the original shell. When examined by means of SEM, typical nacreous ultrastructure, consisting of flat hexagonal crystals arranged in columns, is still distinguishable (Pl. 3, fig. 2). This ultrastructure is comparable with the fabric of the nacreous layer of a modern nautiloid shell (Pl. 3, fig. 1).
|
||
</paragraph>
|
||
<paragraph id="8B949559FF9AA258FF29FA5AFD14FA01" blockId="3.[106,745,1292,1412]" pageId="3" pageNumber="146">
|
||
O c c u r r e n c e:
|
||
<collectingCountry id="F33CD5C9FF9AA258FEF1FA5AFE20FAA6" box="[328,500,1292,1315]" name="Czech Republic" pageId="3" pageNumber="146">Czech Republic</collectingCountry>
|
||
, Bohemian Cretaceous Basin – Březno (Louny district, Lower Coniacian), Lenešice (Louny district, Late Turonian), Třebívlice-Měrunice area (Lovosice district, redeposited in Pleistocene sediment).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |