178 lines
20 KiB
XML
178 lines
20 KiB
XML
<document id="83119F739F177A82A3188ED169C63B45" ID-DOI="10.5281/zenodo.5372196" ID-ISSN="1638-9395" ID-Zenodo-Dep="5372196" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630271865429" checkinUser="marcus" docAuthor="Dumitrica, Paulian & Zügel, Peter" docDate="2003" docId="943E87C0FFF7FFACFCE16CC6FEEEF2EC" docLanguage="en" docName="Geodiversitas.2003.25.1.5-72.pdf" docOrigin="Geodiversitas 25 (1)" docStyle="DocumentStyle:EA833BFD04EE0E3F39962C07E351CEA5.3:Geodiversitas.2000-2008.journal_article.type1" docStyleId="EA833BFD04EE0E3F39962C07E351CEA5" docStyleName="Geodiversitas.2000-2008.journal_article.type1" docStyleVersion="3" docTitle="Saitoum Pessagno 1977" docType="treatment" docVersion="4" lastPageNumber="23" masterDocId="6807FFB8FFE6FFBEFFCA6929FFB2F469" masterDocTitle="Lower Tithonian mono- and dicyrtid Nassellaria (Radiolaria) from the Solnhofen area (southern Germany)" masterLastPageNumber="72" masterPageNumber="5" pageNumber="22" updateTime="1699207405888" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:titleInfo id="C075E777F265128B45E049A6DBFA997D">
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<mods:title id="006507004C6DD479B4F57271B5911B77">Lower Tithonian mono- and dicyrtid Nassellaria (Radiolaria) from the Solnhofen area (southern Germany)</mods:title>
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</mods:titleInfo>
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<mods:name id="60725A87966C997E3B0D49F706D40577" type="personal">
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<mods:role id="2BF43D6508CC137AC94FDEE48B6587FC">
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<mods:roleTerm id="81E0CE98DB9C2A9C37EBF83B8E873943">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="DCBB6D083C61C25C8EF567C4B0AB3EC4">Dumitrica, Paulian</mods:namePart>
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<mods:affiliation id="AD1214D4AAABF1167713800F057654B8">Institut de Géologie et Paléontologie, BFSH 2, UNIL, CH- 1015 Lausanne (Switzerland) Paulian. Dumitrica @ igp. unil. ch</mods:affiliation>
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<mods:nameIdentifier id="D391E6A0D0509B516EF9DD9DE6B07356" type="email">umitrica@igp.unil.ch</mods:nameIdentifier>
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</mods:name>
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<mods:name id="07AC61EA2A5FA3A1A2C445A329B39417" type="personal">
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<mods:roleTerm id="305FF84422D046FA723C4775CBE78A98">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="15BF37B699EC018438B1960530A2AEE6">Zügel, Peter</mods:namePart>
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<mods:affiliation id="7FA3D331CDBA5969FC0F476CADBABB1A">Geologisch-Paläontologisches Institut, Johann Wolfgang Goethe-Universität, Senckenberganlage 32 - 34, D- 60054 Frankfurt am Main (Germany) zuegel @ em. uni-frankfurt. de.</mods:affiliation>
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</mods:name>
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<mods:typeOfResource id="C173FEE488622E70F76389B8FFDBA046">text</mods:typeOfResource>
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<mods:title id="DBF6EACC36C1085E56E3DEA0C4DDA584">Geodiversitas</mods:title>
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<mods:part id="51777A8D4A25602A45FDDF544D463125">
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<mods:date id="075DCD6EE90F46B3FCEECAD9973B6903">2003</mods:date>
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<mods:detail id="4941EF4A79344AB64EE9528603B292C4" type="volume">
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<mods:number id="DA799DF5D1CD6DBE9F16AED324288BF2">25</mods:number>
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</mods:detail>
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<mods:detail id="BF440DC974B30B5E3EB0BAC04AF470C5" type="issue">
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<mods:number id="E8881F307E2D4313C2ED0C8F0985CBD5">1</mods:number>
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<mods:start id="4BE9E504BFBEA7DC14740C3AAE615B39">5</mods:start>
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<mods:end id="38F23AB104835932F70AFAF10AADCA34">72</mods:end>
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<mods:classification id="1E944EFB795D053CC804EFCEAF2A1319">journal article</mods:classification>
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<mods:identifier id="2F0D498C49071E9BDBCAC242F25D49CF" type="DOI">10.5281/zenodo.5372196</mods:identifier>
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<mods:identifier id="FFC6FCE66D4CC23FE7FB945EC510D25C" type="ISSN">1638-9395</mods:identifier>
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<mods:identifier id="556A931A0DEF70CB8FB8693BD88C8A50" type="Zenodo-Dep">5372196</mods:identifier>
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<treatment id="943E87C0FFF7FFACFCE16CC6FEEEF2EC" ID-DOI="http://doi.org/10.5281/zenodo.5463539" ID-Zenodo-Dep="5463539" LSID="urn:lsid:plazi:treatment:943E87C0FFF7FFACFCE16CC6FEEEF2EC" httpUri="http://treatment.plazi.org/id/943E87C0FFF7FFACFCE16CC6FEEEF2EC" lastPageId="18" lastPageNumber="23" pageId="17" pageNumber="22">
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<subSubSection id="548D655DFFF7FFAFFCE16CC6FBCFF260" box="[811,1149,1518,1545]" pageId="17" pageNumber="22" type="nomenclature">
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<paragraph id="1C2836D6FFF7FFAFFCE16CC6FBCFF260" blockId="17.[811,1149,1518,1545]" box="[811,1149,1518,1545]" pageId="17" pageNumber="22">
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<heading id="476081BAFFF7FFAFFCE16CC6FBCFF260" box="[811,1149,1518,1545]" centered="true" fontSize="11" level="2" pageId="17" pageNumber="22" reason="2">
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Genus
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<taxonomicName id="DB974D55FFF7FFAFFCB36CC7FBCFF260" authority="Pessagno, 1977" authorityName="Pessagno" authorityYear="1977" box="[889,1149,1518,1545]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="17" pageNumber="22" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF7FFAFFCB36CC7FC62F261" box="[889,976,1518,1544]" italics="true" pageId="17" pageNumber="22">Saitoum</emphasis>
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Pessagno, 1977
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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="548D655DFFF7FFAFFD006F0CFBE0F2EF" pageId="17" pageNumber="22" type="materials_examined">
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<paragraph id="1C2836D6FFF7FFAFFD006F0CFCD4F231" blockId="17.[714,1247,1573,1624]" pageId="17" pageNumber="22">
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<materialsCitation id="ACFF3C8BFFF7FFAFFD006F0CFB2CF257" box="[714,1182,1573,1598]" collectionCode="SPECIES" pageId="17" pageNumber="22" specimenCount="1" typeStatus="holotype">
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<typeStatus id="C32C8874FFF7FFAFFD006F0CFD49F252" box="[714,763,1573,1596]" pageId="17" pageNumber="22">TYPE</typeStatus>
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<collectionCode id="7A86AE13FFF7FFAFFCC86F03FCFBF252" box="[770,841,1578,1595]" pageId="17" pageNumber="22">SPECIES</collectionCode>
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. —
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<taxonomicName id="DB974D55FFF7FFAFFCBD6F0CFB2CF257" authority="Pessagno, 1977" authorityName="Pessagno" authorityYear="1977" box="[887,1182,1573,1598]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="17" pageNumber="22" phylum="Radiozoa" rank="species" species="pagei">
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<emphasis id="2EE3EAC4FFF7FFAFFCBD6F0CFC4FF254" box="[887,1021,1573,1597]" italics="true" pageId="17" pageNumber="22">Saitoum pagei</emphasis>
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Pessagno, 1977
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</taxonomicName>
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</materialsCitation>
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; original designation.
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</paragraph>
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<paragraph id="1C2836D6FFF7FFAFFD006F44FBE0F2EF" blockId="17.[714,1106,1645,1670]" box="[714,1106,1645,1670]" pageId="17" pageNumber="22">
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<collectionCode id="7A86AE13FFF7FFAFFD006F44FCD2F2EA" box="[714,864,1645,1668]" pageId="17" pageNumber="22">KNOWN RANGE</collectionCode>
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. — Jurassic-Cretaceous.
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</paragraph>
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</subSubSection>
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<subSubSection id="548D655DFFF4FFACFF5D6980FEEEF2EC" pageId="18" pageNumber="23" type="discussion">
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<paragraph id="1C2836D6FFF4FFACFF5D6980FF49F4A8" blockId="18.[151,685,169,1669]" box="[151,251,169,195]" pageId="18" pageNumber="23">REMARKS</paragraph>
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<paragraph id="1C2836D6FFF4FFACFF5D69E3FE0EF6AC" blockId="18.[151,685,169,1669]" pageId="18" pageNumber="23">
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For many monocyrtid lower Tithonian species from the material we studied in the present paper it is difficult to establish whether they belong to the genus
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<taxonomicName id="DB974D55FFF4FFACFECC6802FEE5F52C" authorityName="De Wever in De Wever, Sanfilippo, Riedel & Gruber" authorityYear="1979" box="[262,343,299,325]" class="Polycystina" family="Poulpidae" genus="Poulpus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFECC6802FEE5F52C" box="[262,343,299,325]" italics="true" pageId="18" pageNumber="23">Poulpus</emphasis>
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</taxonomicName>
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or to the genus
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<taxonomicName id="DB974D55FFF4FFACFDC06803FDD3F52D" authorityName="Pessagno" authorityYear="1977" box="[522,609,298,324]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFDC06803FDD3F52D" box="[522,609,298,324]" italics="true" pageId="18" pageNumber="23">Saitoum</emphasis>
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</taxonomicName>
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. Some of them have the arches Al rather well marked on the surface and sometimes the arch AV is weakly sketched. In other species of comparable morphology, especially when the cephalic wall is thick, these arches are not visible. As De Wever (
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<emphasis id="2EE3EAC4FFF4FFACFF6A68C3FF04F66A" box="[160,182,490,515]" italics="true" pageId="18" pageNumber="23">in</emphasis>
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<bibRefCitation id="78064B27FFF4FFACFF0A68C3FE07F66C" author="DE WEVER P. & SANFILIPPO A. & RIEDEL W. R. & GRUBER B." box="[192,437,490,517]" pageId="18" pageNumber="23" pagination="75 - 110" refId="ref34369" refString="DE WEVER P., SANFILIPPO A., RIEDEL W. R. & GRUBER B. 1979. - Triassic radiolarians from Greece, Sicily and Turkey. Micropaleontology 25 (1): 75 - 110." type="journal article" year="1979">
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De Wever
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<emphasis id="2EE3EAC4FFF4FFACFEF168C3FED8F66C" box="[315,362,490,517]" italics="true" pageId="18" pageNumber="23">et al</emphasis>
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. 1979
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</bibRefCitation>
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) remarked, the members of the genus
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<taxonomicName id="DB974D55FFF4FFACFE926B22FE1BF64C" authorityName="De Wever in De Wever, Sanfilippo, Riedel & Gruber" authorityYear="1979" box="[344,425,523,549]" class="Polycystina" family="Poulpidae" genus="Poulpus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFE926B22FE1BF64C" box="[344,425,523,549]" italics="true" pageId="18" pageNumber="23">Poulpus</emphasis>
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</taxonomicName>
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are superficially similar to
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<taxonomicName id="DB974D55FFF4FFACFF7D6B03FEE0F62A" authorityName="Pessagno" authorityYear="1977" box="[183,338,554,580]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="species" species="pagei">
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<emphasis id="2EE3EAC4FFF4FFACFF7D6B03FEE0F62A" box="[183,338,554,580]" italics="true" pageId="18" pageNumber="23">Saitoum pagei</emphasis>
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</taxonomicName>
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, the
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<typeStatus id="C32C8874FFF4FFACFE5A6B03FE72F62D" box="[400,448,554,580]" pageId="18" pageNumber="23">type</typeStatus>
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species of the genus
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<taxonomicName id="DB974D55FFF4FFACFF5D6B63FF41F60D" authorityName="Pessagno" authorityYear="1977" box="[151,243,586,612]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFF5D6B63FF41F60D" box="[151,243,586,612]" italics="true" pageId="18" pageNumber="23">Saitoum</emphasis>
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</taxonomicName>
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, the only difference is that the genus
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<taxonomicName id="DB974D55FFF4FFACFF5D6B42FF5AF6EC" authorityName="De Wever in De Wever, Sanfilippo, Riedel & Gruber" authorityYear="1979" box="[151,232,619,645]" class="Polycystina" family="Poulpidae" genus="Poulpus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFF5D6B42FF5AF6EC" box="[151,232,619,645]" italics="true" pageId="18" pageNumber="23">Poulpus</emphasis>
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</taxonomicName>
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has the three arches Al and AV marked as depressions on the surface of the cephalis, whereas
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<taxonomicName id="DB974D55FFF4FFACFF0D6B83FEACF6AD" authorityName="Pessagno" authorityYear="1977" box="[199,286,682,708]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFF0D6B83FEACF6AD" box="[199,286,682,708]" italics="true" pageId="18" pageNumber="23">Saitoum</emphasis>
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</taxonomicName>
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has no arches.
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</paragraph>
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<paragraph id="1C2836D6FFF4FFACFF5D6BE3FE1AF26C" blockId="18.[151,685,169,1669]" pageId="18" pageNumber="23">
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In order to better understand the differences between the two genera we also examined some specimens of
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<taxonomicName id="DB974D55FFF4FFACFEC16A23FEEDF74A" authorityName="Pessagno" authorityYear="1977" box="[267,351,778,804]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="species" species="pagei">
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<emphasis id="2EE3EAC4FFF4FFACFEC16A23FEAAF74D" box="[267,280,778,804]" italics="true" pageId="18" pageNumber="23">S</emphasis>
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.
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<emphasis id="2EE3EAC4FFF4FFACFEE36A23FEEDF74A" box="[297,351,778,803]" italics="true" pageId="18" pageNumber="23">pagei</emphasis>
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</taxonomicName>
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from our material and found that this species has also the three arches Al and AV. They are very weak on some segments as compared to those of
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<taxonomicName id="DB974D55FFF4FFACFE526A42FE5CF7EC" authorityName="De Wever in De Wever, Sanfilippo, Riedel & Gruber" authorityYear="1979" box="[408,494,875,901]" class="Polycystina" family="Poulpidae" genus="Poulpus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFE526A42FE5CF7EC" box="[408,494,875,901]" italics="true" pageId="18" pageNumber="23">Poulpus</emphasis>
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</taxonomicName>
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and are marked externally by three longitudinal constrictions so that the cephalis of
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<taxonomicName id="DB974D55FFF4FFACFEA76A83FE0FF7AA" authorityName="Pessagno" authorityYear="1977" box="[365,445,938,964]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="species" species="pagei">
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<emphasis id="2EE3EAC4FFF4FFACFEA76A83FEC8F7AD" box="[365,378,938,964]" italics="true" pageId="18" pageNumber="23">S</emphasis>
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.
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<emphasis id="2EE3EAC4FFF4FFACFE426A83FE0FF7AA" box="[392,445,938,963]" italics="true" pageId="18" pageNumber="23">pagei</emphasis>
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</taxonomicName>
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is three-lobate in apical view.
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<bibRefCitation id="78064B27FFF4FFACFEC96AE2FE7FF78C" author="TAKEMURA A." box="[259,461,971,997]" pageId="18" pageNumber="23" pagination="29 - 74" refId="ref35854" refString="TAKEMURA A. 1986. - Classification of Jurassic nassellarians (Radiolaria). Palaeontographica 195 A: 29 - 74." type="journal article" year="1986">Takemura (1986)</bibRefCitation>
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showed also a well marked arch AV in
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<taxonomicName id="DB974D55FFF4FFACFEB66AC3FF66F04C" authority="De Wever, 1981" authorityName="De Wever" authorityYear="1981" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="species" species="levium">
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<emphasis id="2EE3EAC4FFF4FFACFEB66AC3FD9AF06C" box="[380,552,1002,1029]" italics="true" pageId="18" pageNumber="23">Saitoum levium</emphasis>
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<bibRefCitation id="78064B27FFF4FFACFDFB6AC3FF66F04C" author="DE WEVER P. & CABY R." pageId="18" pageNumber="23" pagination="467 - 472" refId="ref34318" refString="DE WEVER P. & CABY R. 1981. - Datation de la base des schistes lustres postophiolitiques par des radiolaires (Oxfordien superieur-Kimmeridgien moyen) dans les Alpes Cottiennes (Saint-Veran, France). Comptes Rendus de l'Academie des Sciences II, 292: 467 - 472." type="journal article" year="1981">De Wever, 1981</bibRefCitation>
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</taxonomicName>
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. Therefore
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<taxonomicName id="DB974D55FFF4FFACFE926D22FE1EF04C" authorityName="De Wever in De Wever, Sanfilippo, Riedel & Gruber" authorityYear="1979" box="[344,428,1035,1061]" class="Polycystina" family="Poulpidae" genus="Poulpus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFE926D22FE1EF04C" box="[344,428,1035,1061]" italics="true" pageId="18" pageNumber="23">Poulpus</emphasis>
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</taxonomicName>
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could be considered a junior synonym of
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<taxonomicName id="DB974D55FFF4FFACFEA66D03FE71F02D" authorityName="Pessagno" authorityYear="1977" box="[364,451,1066,1092]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFEA66D03FE71F02D" box="[364,451,1066,1092]" italics="true" pageId="18" pageNumber="23">Saitoum</emphasis>
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</taxonomicName>
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. In order to preserve it we think that a better distinction between the two genera could be the presence or absence of the apical horn: the genus
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<taxonomicName id="DB974D55FFF4FFACFE776DA2FDBCF0CC" authorityName="De Wever in De Wever, Sanfilippo, Riedel & Gruber" authorityYear="1979" box="[445,526,1163,1189]" class="Polycystina" family="Poulpidae" genus="Poulpus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFE776DA2FDBCF0CC" box="[445,526,1163,1189]" italics="true" pageId="18" pageNumber="23">Poulpus</emphasis>
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</taxonomicName>
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could be characterized by the absence of the apical horn and
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<taxonomicName id="DB974D55FFF4FFACFF5D6DE3FF5DF08D" authorityName="Pessagno" authorityYear="1977" box="[151,239,1226,1252]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFF5D6DE3FF5DF08D" box="[151,239,1226,1252]" italics="true" pageId="18" pageNumber="23">Saitoum</emphasis>
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</taxonomicName>
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by its presence. In all the three Triassic species initially assigned to
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<taxonomicName id="DB974D55FFF4FFACFE0B6DC2FDA0F16C" authorityName="De Wever in De Wever, Sanfilippo, Riedel & Gruber" authorityYear="1979" box="[449,530,1259,1285]" class="Polycystina" family="Poulpidae" genus="Poulpus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFE0B6DC2FDA0F16C" box="[449,530,1259,1285]" italics="true" pageId="18" pageNumber="23">Poulpus</emphasis>
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</taxonomicName>
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, the
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<typeStatus id="C32C8874FFF4FFACFD816DC3FDCBF16D" box="[587,633,1258,1284]" pageId="18" pageNumber="23">type</typeStatus>
|
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species included, the apical horn is absent. Other Triassic species assigned to this genus are also characterized by the absence of the apical horn, or when it is present it looks like a very short thorn.
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|
<taxonomicName id="DB974D55FFF4FFACFF236CA3FEF7F1CD" authorityName="Pessagno" authorityYear="1977" box="[233,325,1418,1444]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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<emphasis id="2EE3EAC4FFF4FFACFF236CA3FEF7F1CD" box="[233,325,1418,1444]" italics="true" pageId="18" pageNumber="23">Saitoum</emphasis>
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|
</taxonomicName>
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|
, on the contrary, has always a rather well developed apical horn. A character common to both genera is also the absence of verticils of spines on feet.
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</paragraph>
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<paragraph id="1C2836D6FFF4FFACFF5D6F23FEEEF2EC" blockId="18.[151,685,169,1669]" pageId="18" pageNumber="23">
|
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<taxonomicName id="DB974D55FFF4FFACFF5D6F23FF40F24D" authorityName="Pessagno" authorityYear="1977" box="[151,242,1546,1572]" class="Polycystina" family="Poulpidae" genus="Saitoum" higherTaxonomySource="GBIF" kingdom="Chromista" order="Nassellaria" pageId="18" pageNumber="23" phylum="Radiozoa" rank="genus">
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|
<emphasis id="2EE3EAC4FFF4FFACFF5D6F23FF40F24D" box="[151,242,1546,1572]" italics="true" pageId="18" pageNumber="23">Saitoum</emphasis>
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</taxonomicName>
|
|
was described without a distal velum. Our well preserved material proves that a velum is almost always present, its absence being due to poor preservation.
|
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |