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147 lines
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<document id="FCADD977AAA165359BEBAA983011647A" ID-DOI="10.11646/zootaxa.5160.1.1" ID-ISSN="11755334" ID-Zenodo-Dep="10544058" ID-ZooBank="A9179C79-EE43-44E4-8723-919505500049" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="juliana" IM.tables_approvedBy="juliana" IM.taxonomicNames_approvedBy="juliana" IM.treatments_approvedBy="juliana" checkinTime="1656928390227" checkinUser="plazi" docAuthor="Trubovitz, Sarah, Renaudie, Johan, Lazarus, David & Noble, Paula" docDate="2022" docId="03C96F50FF9EFFF575DFE697FD71C677" docLanguage="en" docName="zootaxa.5160.1.1.pdf" docOrigin="Zootaxa 5160 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5160.1.1" docStyle="DocumentStyle:8B0D3ECF822058C8413568C103B59429.6:Zootaxa.2001-2006.monograph" docStyleId="8B0D3ECF822058C8413568C103B59429" docStyleName="Zootaxa.2001-2006.monograph" docStyleVersion="6" docTitle="Amphiplecta cylindrocephala ? Dumitrica 1973" docType="treatment" docVersion="3" lastPageNumber="14" masterDocId="FFF01728FF93FFF87548E477FFC7C37C" masterDocTitle="Late Neogene Lophophaenidae (Nassellaria, Radiolaria) from the eastern equatorial Pacific" masterLastPageNumber="158" masterPageNumber="1" pageNumber="14" updateTime="1705815306999" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:titleInfo id="1760D2A84D819CD66CCF24F2100CB68D">
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<mods:title id="F099B188A12DF339D7D5DFA2AD008B26">Late Neogene Lophophaenidae (Nassellaria, Radiolaria) from the eastern equatorial Pacific</mods:title>
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<mods:namePart id="E40521D783CC6F9DA2F49F743508A8FD">Trubovitz, Sarah</mods:namePart>
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<mods:namePart id="AE277AB9B035CFB93B60E9BF58A12F05">Renaudie, Johan</mods:namePart>
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<mods:namePart id="F609D02384177843C2E4C047FE67FC26">Lazarus, David</mods:namePart>
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<mods:namePart id="3BAE4E65762FB6EEBF1D3E70B4DE2706">Noble, Paula</mods:namePart>
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<mods:title id="3F5EE40FAAEE976B63EEB7C4AF31E89B">Zootaxa</mods:title>
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<mods:date id="E8572ADA015D042DAB1F28B9A99C0EF2">2022</mods:date>
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<mods:number id="79FC28DD8216BD60FEEDE3844AF5DBCB">2022-07-04</mods:number>
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<mods:number id="E667EC854B0F05EDF9B8F908AA9C4050">5160</mods:number>
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<mods:classification id="8BAA351EB66BE6DCBF03A8CCA23DCEFB">journal article</mods:classification>
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<mods:identifier id="61554D90D61C5101EDB1D77456EBB530" type="DOI">10.11646/zootaxa.5160.1.1</mods:identifier>
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<mods:identifier id="B80C8639E7E189558AFB9383FFDC2C91" type="ISSN">11755334</mods:identifier>
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<treatment id="03C96F50FF9EFFF575DFE697FD71C677" ID-DOI="http://doi.org/10.5281/zenodo.10543647" ID-Zenodo-Dep="10543647" LSID="urn:lsid:plazi:treatment:03C96F50FF9EFFF575DFE697FD71C677" httpUri="http://treatment.plazi.org/id/03C96F50FF9EFFF575DFE697FD71C677" lastPageNumber="14" pageId="13" pageNumber="14">
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<subSubSection id="C37A8DCDFF9EFFF575DFE697FD16C185" box="[151,721,735,762]" pageId="13" pageNumber="14" type="nomenclature">
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<paragraph id="8BDFDE46FF9EFFF575DFE697FD16C185" blockId="13.[151,721,735,798]" box="[151,721,735,762]" pageId="13" pageNumber="14">
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<taxonomicName id="4C60A5C5FF9EFFF575DFE697FD16C185" authority="? Dumitrica, 1973" authorityName="? Dumitrica" authorityYear="1973" box="[151,721,735,762]" class="Polycystina" family="Plagiacanthidae" genus="Amphiplecta" kingdom="Chromista" order="Nassellaria" pageId="13" pageNumber="14" phylum="Radiozoa" rank="species" species="cylindrocephala">
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<emphasis id="B9140254FF9EFFF575DFE697FE37C186" box="[151,496,736,762]" italics="true" pageId="13" pageNumber="14">Amphiplecta cylindrocephala</emphasis>
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<emphasis id="B9140254FF9EFFF574B8E6A8FD16C185" bold="true" box="[496,721,735,761]" pageId="13" pageNumber="14">? Dumitrica, 1973</emphasis>
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="C37A8DCDFF9EFFF575DFE773FE4EC062" box="[151,393,772,798]" pageId="13" pageNumber="14" type="description">
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<paragraph id="8BDFDE46FF9EFFF575DFE773FE4EC062" blockId="13.[151,721,735,798]" box="[151,393,772,798]" pageId="13" pageNumber="14">
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Plate 1,
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<figureCitation id="135BC2C3FF9EFFF575BAE773FE94C062" box="[242,339,772,798]" captionStart="FIGURE 3" captionStartId="9.[151,250,1885,1909]" captionTargetBox="[189,1398,1065,1862]" captionTargetId="figure-391@9.[189,1398,1065,1862]" captionTargetPageId="9" captionText="FIGURE 3. Locality map of IODP Site U1337, where all samples for this study were collected. Map from Google EarthTM." figureDoi="http://doi.org/10.5281/zenodo.10544064" httpUri="https://zenodo.org/record/10544064/files/figure.png" pageId="13" pageNumber="14">Figs. 3A</figureCitation>
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–
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<figureCitation id="135BC2C3FF9EFFF5742BE773FE43C062" box="[355,388,772,798]" captionStart="FIGURE 4" captionStartId="10.[151,250,1579,1603]" captionTargetBox="[164,1423,849,1556]" captionTargetId="figure-347@10.[164,1423,849,1556]" captionTargetPageId="10" captionText="FIGURE 4. Examples of specimen measurements discussed in the Systematic Paleontology section of this study." figureDoi="http://doi.org/10.5281/zenodo.10544066" httpUri="https://zenodo.org/record/10544066/files/figure.png" pageId="13" pageNumber="14">4C</figureCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C37A8DCDFF9EFFF575DFE73FFCB2C003" pageId="13" pageNumber="14" type="reference_group">
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<paragraph id="8BDFDE46FF9EFFF575DFE73FFC06C01C" blockId="13.[151,961,840,895]" box="[151,961,840,864]" pageId="13" pageNumber="14">
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?
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<taxonomicName id="4C60A5C5FF9EFFF575E1E73FFE14C01C" authorityName="? Dumitrica" authorityYear="1973" box="[169,467,840,864]" class="Polycystina" family="Plagiacanthidae" genus="Amphiplecta" kingdom="Chromista" order="Nassellaria" pageId="13" pageNumber="14" phylum="Radiozoa" rank="species" species="cylindrocephala" status="sp. nov.">
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<emphasis id="B9140254FF9EFFF575E1E73FFE14C01C" box="[169,467,840,864]" italics="true" pageId="13" pageNumber="14">Amphiplecta cylindrocephala</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A227BF2FFF9EFFF57491E73EFDD6C01C" box="[473,529,841,864]" pageId="13" pageNumber="14" rank="species">n. sp.</taxonomicNameLabel>
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, Dumitrica, 1973, p. 836, pl. 24, figs. 4–5.
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</paragraph>
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<paragraph id="8BDFDE46FF9EFFF575DFE710FCB2C003" blockId="13.[151,961,840,895]" box="[151,885,871,895]" pageId="13" pageNumber="14">
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non
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<taxonomicName id="4C60A5C5FF9EFFF5758CE710FD32C003" authority="Dumitrica, Benson, 1983" authorityName="Dumitrica, Benson" authorityYear="1983" box="[196,757,871,895]" class="Polycystina" family="Plagiacanthidae" genus="Amphiplecta" kingdom="Chromista" order="Nassellaria" pageId="13" pageNumber="14" phylum="Radiozoa" rank="species" species="cylindrocephala">
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<emphasis id="B9140254FF9EFFF5758CE710FE29C003" box="[196,494,871,895]" italics="true" pageId="13" pageNumber="14">Amphiplecta cylindrocephala</emphasis>
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Dumitrica,
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<bibRefCitation id="EFF1A3B7FF9EFFF5772FE710FD32C003" author="Benson, R. N." box="[615,757,871,895]" pageId="13" pageNumber="14" pagination="65" refId="ref85593" refString="Benson, R. N. (1983) Quaternary radiolarians from the mouth of the Gulf of California, Deep Sea Drilling Project Leg 65. In: Lewis, B. T. R., Robinson, P. T., Benson, R. N., Blackinton, G., Cambon, P., Day, R., Duennebier, F., Flower, M. F. J., Gutierrez-Estrada, M., Hattner, J. G., Kudo, A. M., Morrison, M. A., Rangin, C., Salisbury, M. H., Schmincke, H. U., Stephen, R. & Zolotarev, B. P., Initial Reports of the Deep Sea Drilling Project. Vol. 65. U. S. Government Printing Office, Washington, D. C., pp. 491 - 523. https: // doi. org / 10.2973 / dsdp. proc. 65.123.1983" type="book chapter" year="1983">Benson, 1983</bibRefCitation>
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</taxonomicName>
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, pl. 8, fig. 5.
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</paragraph>
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</subSubSection>
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<subSubSection id="C37A8DCDFF9EFFF575DFE7DAFBE2C79B" pageId="13" pageNumber="14" type="discussion">
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<paragraph id="8BDFDE46FF9EFFF575DFE7DAFBE2C79B" blockId="13.[151,1437,941,1291]" pageId="13" pageNumber="14">
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<emphasis id="B9140254FF9EFFF575DFE7DAFECCC0BB" bold="true" box="[151,267,941,967]" pageId="13" pageNumber="14">Remarks.</emphasis>
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This species is very close to
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<taxonomicName id="4C60A5C5FF9EFFF57702E7DAFC3CC0BB" authority="Haeckel, 1887" authorityName="Haeckel" authorityYear="1887" box="[586,1019,941,967]" class="Polycystina" family="Plagiacanthidae" genus="Amphiplecta" kingdom="Chromista" order="Nassellaria" pageId="13" pageNumber="14" phylum="Radiozoa" rank="species" species="acrostoma">
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<emphasis id="B9140254FF9EFFF57702E7DAFC95C0BB" box="[586,850,941,967]" italics="true" pageId="13" pageNumber="14">Amphiplecta acrostoma</emphasis>
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<bibRefCitation id="EFF1A3B7FF9EFFF57610E7DAFC3CC0BB" author="Haeckel, E." box="[856,1019,941,967]" pageId="13" pageNumber="14" pagination="1 - 1803" refId="ref89488" refString="Haeckel, E. (1887) Report on the Radiolaria collected by H. M. S. Challenger during the years 1873 - 1876. Report on the Scientific Results of the Voyage of the H. M. S. Challenger, Zoology, 18, i - clxxxviii + 1 - 1803. https: // doi. org / 10.5962 / bhl. title. 31840" type="journal article" year="1887">Haeckel, 1887</bibRefCitation>
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</taxonomicName>
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, but according to Dumitrica (1973), it differs in that it has a “very long cephalis, less spiny shell, and non-denticulate spines.” This species is rare, and only two Quaternary specimens were illustrated by Dumitrica (1973), so it is difficult to know the true variability of this species. In our material we encountered
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<specimenCount id="9D6615CFFF9EFFF57711E06EFD38C74F" box="[601,767,1049,1075]" pageId="13" pageNumber="14" type="generic">two specimens</specimenCount>
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with an unusually long cephalis, suggestive of
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<taxonomicName id="4C60A5C5FF9EFFF57047E06EFE0DC72B" authority="Dumitrica" authorityName="? Dumitrica" authorityYear="1973" class="Polycystina" family="Plagiacanthidae" genus="Amphiplecta" kingdom="Chromista" order="Nassellaria" pageId="13" pageNumber="14" phylum="Radiozoa" rank="species" species="cylindrocephala">
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<emphasis id="B9140254FF9EFFF57047E06EFE8BC72B" italics="true" pageId="13" pageNumber="14">Amphiplecta cylindrocephala</emphasis>
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Dumitrica
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</taxonomicName>
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, but
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<specimenCount id="9D6615CFFF9EFFF5774CE04AFD58C72B" box="[516,671,1085,1111]" pageId="13" pageNumber="14" type="generic">one specimen</specimenCount>
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differed in that it had a slight pinch in the cephalis outline toward the top. Thus, we questionably place these specimens in
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<taxonomicName id="4C60A5C5FF9EFFF5766AE016FAFFC707" authority="Dumitrica. Other" authorityName="Dumitrica. Other" box="[802,1336,1121,1147]" class="Polycystina" family="Plagiacanthidae" genus="Amphiplecta" kingdom="Chromista" order="Nassellaria" pageId="13" pageNumber="14" phylum="Radiozoa" rank="species" species="cylindrocephala">
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<emphasis id="B9140254FF9EFFF5766AE016FBA9C707" box="[802,1134,1121,1147]" italics="true" pageId="13" pageNumber="14">Amphiplecta cylindrocephala</emphasis>
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Dumitrica. Other
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</taxonomicName>
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than the two illustrations by Dumitrica (1973), we are only aware of one other illustration of
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<taxonomicName id="4C60A5C5FF9EFFF5711AE0F2FA5BC7E3" box="[1106,1436,1157,1183]" class="Polycystina" family="Plagiacanthidae" genus="Amphiplecta" kingdom="Chromista" order="Nassellaria" pageId="13" pageNumber="14" phylum="Radiozoa" rank="species" species="cylindrocephala">
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<emphasis id="B9140254FF9EFFF5711AE0F2FA5BC7E3" box="[1106,1436,1157,1183]" italics="true" pageId="13" pageNumber="14">Amphiplecta cylindrocephala</emphasis>
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</taxonomicName>
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by
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<bibRefCitation id="EFF1A3B7FF9EFFF575F3E0DEFEA3C7BF" author="Benson, R. N." box="[187,356,1193,1219]" pageId="13" pageNumber="14" pagination="65" refId="ref85593" refString="Benson, R. N. (1983) Quaternary radiolarians from the mouth of the Gulf of California, Deep Sea Drilling Project Leg 65. In: Lewis, B. T. R., Robinson, P. T., Benson, R. N., Blackinton, G., Cambon, P., Day, R., Duennebier, F., Flower, M. F. J., Gutierrez-Estrada, M., Hattner, J. G., Kudo, A. M., Morrison, M. A., Rangin, C., Salisbury, M. H., Schmincke, H. U., Stephen, R. & Zolotarev, B. P., Initial Reports of the Deep Sea Drilling Project. Vol. 65. U. S. Government Printing Office, Washington, D. C., pp. 491 - 523. https: // doi. org / 10.2973 / dsdp. proc. 65.123.1983" type="book chapter" year="1983">Benson (1983)</bibRefCitation>
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. This specimen appears to be within the range of
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<taxonomicName id="4C60A5C5FF9EFFF576D9E0DEFAC5C7BF" authority="Haeckel" authorityName="Haeckel" authorityYear="1887" box="[913,1282,1193,1219]" class="Polycystina" family="Plagiacanthidae" genus="Amphiplecta" kingdom="Chromista" order="Nassellaria" pageId="13" pageNumber="14" phylum="Radiozoa" rank="species" species="acrostoma">
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<emphasis id="B9140254FF9EFFF576D9E0DEFB5CC7BF" box="[913,1179,1193,1219]" italics="true" pageId="13" pageNumber="14">Amphiplecta acrostoma</emphasis>
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Haeckel
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</taxonomicName>
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, so we do not consider it to be synonymous with our
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<taxonomicName id="4C60A5C5FF9EFFF57703E0BAFC52C79B" box="[587,917,1229,1255]" class="Polycystina" family="Plagiacanthidae" genus="Amphiplecta" kingdom="Chromista" order="Nassellaria" pageId="13" pageNumber="14" phylum="Radiozoa" rank="species" species="cylindrocephala">
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<emphasis id="B9140254FF9EFFF57703E0BAFC52C79B" box="[587,917,1229,1255]" italics="true" pageId="13" pageNumber="14">Amphiplecta cylindrocephala</emphasis>
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|||
|
|
</taxonomicName>
|
|||
|
|
? specimens.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection id="C37A8DCDFF9EFFF5758FE086FD71C677" box="[199,694,1265,1291]" pageId="13" pageNumber="14" type="biology_ecology">
|
|||
|
|
<paragraph id="8BDFDE46FF9EFFF5758FE086FD71C677" blockId="13.[151,1437,941,1291]" box="[199,694,1265,1291]" pageId="13" pageNumber="14">
|
|||
|
|
<emphasis id="B9140254FF9EFFF5758FE086FEDDC677" bold="true" box="[199,282,1265,1291]" pageId="13" pageNumber="14">Range.</emphasis>
|
|||
|
|
Early Pliocene in the EEP (
|
|||
|
|
<tableCitation id="C6E2EBFDFF9EFFF5771AE086FD62C677" box="[594,677,1265,1291]" captionStart="TABLE 1" captionStartId="84.[151,248,834,860]" captionTargetPageId="84" captionText="TABLE 1. Occurrence chart of Late Neogene–Recent lophophaenids in the EEP." httpUri="http://table.plazi.org/id/DF1F8ECEFFC7FFAC75DFE735FB46C021" pageId="13" pageNumber="14" tableUuid="DF1F8ECEFFC7FFAC75DFE735FB46C021">Table 1</tableCitation>
|
|||
|
|
).
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
</treatment>
|
|||
|
|
</document>
|