218 lines
26 KiB
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218 lines
26 KiB
XML
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<mods:title id="5239CDEA8661DCF809F04123BC3F123D">On The Status Of The Collosphaerid Radiolarian Species Siphonosphaera Brachysiphonia Dumitrică, 1978 And Siphonosphaera Arkys Su, 1982</mods:title>
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<subSubSection id="99A1650D0A43DE011B7B9507FA85FC6D" box="[816,1344,882,906]" pageId="0" pageNumber="35" type="nomenclature">
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<paragraph id="D10436860A43DE011B7B9507FA85FC6D" blockId="0.[816,1344,882,906]" box="[816,1344,882,906]" pageId="0" pageNumber="35">
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<heading id="8A4C81EA0A43DE011B7B9507FA85FC6D" box="[816,1344,882,906]" fontSize="10" level="2" pageId="0" pageNumber="35" reason="5">
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<taxonomicName id="16BB4D050A43DE011B7B9507FA85FC6D" authority="Dumitrica, 1978" authorityName="DUMITRICA" authorityYear="1978" box="[816,1344,882,906]" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="0" pageNumber="35" phylum="Radiozoa" rank="species" species="brachysiphonia">
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<emphasis id="E3CFEA940A43DE011B7B9507FB4FFC6D" box="[816,1162,882,906]" italics="true" pageId="0" pageNumber="35">Siphonosphaera brachysiphonia</emphasis>
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Dumitrică, 1978
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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="99A1650D0A43DE011B7B95E5FAC9FA09" pageId="0" pageNumber="35" type="description">
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<paragraph id="D10436860A43DE011B7B95E5FC5EFC4F" blockId="0.[816,1437,912,2009]" box="[816,923,912,936]" pageId="0" pageNumber="35">
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<figureCitation id="49802A030A43DE011B7B95E5FCB0FC4F" box="[816,885,912,936]" captionStart="Fig" captionStartId="1.[187,220,1577,1598]" captionTargetBox="[227,1432,169,1523]" captionTargetId="figure-324@1.[187,1463,149,1540]" captionTargetPageId="1" captionText="Fig. 1 a-h Siphonosphaera brachysiphonia Dumitrică, 1978. d holotype, original photo. Scale bar A (for drawings, a-c) = 100 μm, scale B (for figures in optical microscope) (d-h, k), all from sample 1315, Radiolarian Shale Formation, Păușești Otăsău, Getic Depression, Romania. i-j Siphonosphaera arkys Su, 1982, holotype; k Siphonosphaera brachysiphonia, specimen from ODP Leg 120, sample 751A-13H-CC, Middle Miocene, approximately 14.4 Ma, kindly provided by Dr. Johan Renaudie." figureDoi="http://doi.org/10.5281/zenodo.10520602" httpUri="https://zenodo.org/record/10520602/files/figure.png" pageId="0" pageNumber="35">Figs. 1</figureCitation>
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a-h
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</paragraph>
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<paragraph id="D10436860A43DE011B7B95DAFBEDFC02" blockId="0.[816,1437,912,2009]" pageId="0" pageNumber="35">
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1978b
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<taxonomicName id="16BB4D050A43DE011BC995DAFA9AFC20" authority="Dumitrica" authorityName="Dumitrica" authorityYear="2019" box="[898,1375,943,967]" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="0" pageNumber="35" phylum="Radiozoa" rank="species" species="brachysiphonia" status="sp. nov.">
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<emphasis id="E3CFEA940A43DE011BC995DAFB21FC20" box="[898,1252,943,967]" italics="true" pageId="0" pageNumber="35">Siphonosphaera brachysiphonia</emphasis>
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Dumitrică
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</taxonomicName>
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<taxonomicNameLabel id="F8FC57EF0A43DE011D2595DAFC94FC02" pageId="0" pageNumber="35" rank="species">nov. sp.</taxonomicNameLabel>
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, p. 235, pl. 5, fig. 1.
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</paragraph>
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<paragraph id="D10436860A43DE011B7B9599FC51FBC4" blockId="0.[816,1437,912,2009]" pageId="0" pageNumber="35">
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1982
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<taxonomicName id="16BB4D050A43DE011B399599FB48FBE3" authority="Su" authorityName="Su" authorityYear="2019" box="[882,1165,1004,1028]" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="0" pageNumber="35" phylum="Radiozoa" rank="species" species="arkys" status="sp. nov.">
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<emphasis id="E3CFEA940A43DE011B399599FBA3FBE3" box="[882,1126,1004,1028]" italics="true" pageId="0" pageNumber="35">Siphonosphaera arkys</emphasis>
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Su
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</taxonomicName>
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<taxonomicNameLabel id="F8FC57EF0A43DE011CD19598FB36FBE3" box="[1178,1267,1005,1028]" pageId="0" pageNumber="35" rank="species">nov. sp.</taxonomicNameLabel>
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, p. 276, pl. 2, figs. 3, 4.
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</paragraph>
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<paragraph id="D10436860A43DE011B7B925FFC80FB87" blockId="0.[816,1437,912,2009]" pageId="0" pageNumber="35">1990 Collosphaerid sp. A – Abelmann, p. 690, pl. 1, fig. 2.</paragraph>
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<paragraph id="D10436860A43DE011B7B9212FC6EFB5B" blockId="0.[816,1437,912,2009]" pageId="0" pageNumber="35">
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1992
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<taxonomicName id="16BB4D050A43DE011B249212FA8FFB98" authority="? Takahashi" authorityName="? Takahashi" authorityYear="1991" box="[879,1354,1127,1151]" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="0" pageNumber="35" phylum="Radiozoa" rank="species" species="magnisphaera">
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<emphasis id="E3CFEA940A43DE011B249212FB79FB98" box="[879,1212,1127,1151]" italics="true" pageId="0" pageNumber="35">Siphonosphaera magnisphaera</emphasis>
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? Takahashi
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</taxonomicName>
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, part. – Lazarus, p. 795, pl. 2, figs. 9-10; pl. 5, figs. 13-14, non figs. 11-12.
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</paragraph>
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<paragraph id="D10436860A43DE011B7B92B6FC52FB1D" blockId="0.[816,1437,912,2009]" pageId="0" pageNumber="35">
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1999
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<taxonomicName id="16BB4D050A43DE011B2692B6FB41FB3C" authority="Su." authorityName="Su." box="[877,1156,1219,1243]" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="0" pageNumber="35" phylum="Radiozoa" rank="species" species="arkys">
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<emphasis id="E3CFEA940A43DE011B2692B6FB9EFB3C" box="[877,1115,1219,1243]" italics="true" pageId="0" pageNumber="35">Siphonosphaera arkys</emphasis>
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Su.
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</taxonomicName>
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– Tan & Chen, p. 139, pl. 5, fig. 41.
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</paragraph>
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<paragraph id="D10436860A43DE011B7B9375FA4BFAFF" blockId="0.[816,1437,912,2009]" box="[816,1422,1280,1304]" pageId="0" pageNumber="35">
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2001
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<taxonomicName id="16BB4D050A43DE011B269375FBC5FAFF" box="[877,1024,1280,1304]" class="Polycystina" family="Collozoidae" genus="Trisolenia" kingdom="Chromista" order="Nassellaria" pageId="0" pageNumber="35" phylum="Radiozoa" rank="species" species="undetermined">
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<emphasis id="E3CFEA940A43DE011B269375FC1FFAFF" box="[877,986,1280,1304]" italics="true" pageId="0" pageNumber="35">Trisolenia</emphasis>
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sp.
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</taxonomicName>
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- De Wever et al., p. 170, Fig. 104.2.
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</paragraph>
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<paragraph id="D10436860A43DE011B7B936AFB0CFA37" blockId="0.[816,1437,912,2009]" pageId="0" pageNumber="35">
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<emphasis id="E3CFEA940A43DE011B7B936AFC76FAD0" bold="true" box="[816,947,1311,1335]" pageId="0" pageNumber="35">Description</emphasis>
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. Shell spherical, exceptionally ellipsoidal with thin wall perforated by a small number (some 10-15 or more) of wide pores with margins prolonged outside in very short tubes. Surface of test covered with numerous and dense minuscule pits. These pits disappear on the tubes, their surface remaining smooth.
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</paragraph>
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<paragraph id="D10436860A43DE011B7B93A2FAC9FA09" blockId="0.[816,1437,912,2009]" box="[816,1292,1495,1519]" pageId="0" pageNumber="35">
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<emphasis id="E3CFEA940A43DE011B7B93A2FC71FA08" bold="true" box="[816,948,1495,1519]" pageId="0" pageNumber="35">Dimensions</emphasis>
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: Diameter of shell 120-180 μm.
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</paragraph>
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</subSubSection>
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<subSubSection id="99A1650D0A43DE011B7B9383FC64F9CB" pageId="0" pageNumber="35" type="etymology">
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<paragraph id="D10436860A43DE011B7B9383FC64F9CB" blockId="0.[816,1437,912,2009]" pageId="0" pageNumber="35">
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<emphasis id="E3CFEA940A43DE011B7B9383FC6EF9E9" bold="true" box="[816,939,1526,1550]" pageId="0" pageNumber="35">Etymology</emphasis>
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. From the Latin
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<emphasis id="E3CFEA940A43DE011C289380FB7DF9EA" box="[1123,1208,1525,1549]" italics="true" pageId="0" pageNumber="35">brachys</emphasis>
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– short and
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<emphasis id="E3CFEA940A43DE011D0B9380FA42F9EA" box="[1344,1415,1525,1549]" italics="true" pageId="0" pageNumber="35">siphon</emphasis>
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– tube, pipe.
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</paragraph>
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</subSubSection>
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<subSubSection id="99A1650D0A43DE031B7B9046FF03FD39" lastPageId="2" lastPageNumber="37" pageId="0" pageNumber="35" type="discussion">
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<paragraph id="D10436860A43DE011B7B9046FA5CF83E" blockId="0.[816,1437,912,2009]" pageId="0" pageNumber="35">
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<emphasis id="E3CFEA940A43DE011B7B9046FC52F9AC" bold="true" box="[816,919,1587,1611]" pageId="0" pageNumber="35">Remarks</emphasis>
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.
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<taxonomicName id="16BB4D050A43DE011BE29046FB7AF9AC" authority="Su" authorityName="Su" box="[937,1215,1587,1611]" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="0" pageNumber="35" phylum="Radiozoa" rank="species" species="arkys">
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<emphasis id="E3CFEA940A43DE011BE29046FB5FF9AC" box="[937,1178,1587,1611]" italics="true" pageId="0" pageNumber="35">Siphonosphaera arkys</emphasis>
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Su
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</taxonomicName>
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resembles perfectly
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<taxonomicName id="16BB4D050A43DE011B7B9027FACBF98D" authority="Dumitrica" authorityName="Dumitrica" authorityYear="2019" box="[816,1294,1618,1642]" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="0" pageNumber="35" phylum="Radiozoa" rank="species" species="brachysiphonia">
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<emphasis id="E3CFEA940A43DE011B7B9027FB56F98D" box="[816,1171,1618,1642]" italics="true" pageId="0" pageNumber="35">Siphonosphaera brachysiphonia</emphasis>
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Dumitrică
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</taxonomicName>
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(see
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<figureCitation id="49802A030A43DE011D1C9027FCFCF96F" captionStart="Fig" captionStartId="1.[187,220,1577,1598]" captionTargetBox="[227,1432,169,1523]" captionTargetId="figure-324@1.[187,1463,149,1540]" captionTargetPageId="1" captionText="Fig. 1 a-h Siphonosphaera brachysiphonia Dumitrică, 1978. d holotype, original photo. Scale bar A (for drawings, a-c) = 100 μm, scale B (for figures in optical microscope) (d-h, k), all from sample 1315, Radiolarian Shale Formation, Păușești Otăsău, Getic Depression, Romania. i-j Siphonosphaera arkys Su, 1982, holotype; k Siphonosphaera brachysiphonia, specimen from ODP Leg 120, sample 751A-13H-CC, Middle Miocene, approximately 14.4 Ma, kindly provided by Dr. Johan Renaudie." figureDoi="http://doi.org/10.5281/zenodo.10520602" httpUri="https://zenodo.org/record/10520602/files/figure.png" pageId="0" pageNumber="35">Figure 1</figureCitation>
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i-h) by its shape, number, shape and length of tubes and pitted surface of shell, and is undoubtedly a junior synonym of the Badenian species. These pits were considered pores by Su, but they are certainly just a superficial ornamentation. The same species was illustrated by
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<bibRefCitation id="B52A4B770A43DE011D2B909EFC71F8C5" author="Abelmann, A." pageId="0" pageNumber="35" pagination="676 - 708" refId="ref2054" refString="Abelmann, A., 1990. Oligocene to Middle Miocene radiolarian stratigraphy of southern high latitudes from Leg 113, Sites 689 and 690, Maud Rise. in: (Barker, F. P., Kennett, J. P., et al. eds.) Proceedings of the Ocean Drilling Program, Scientific Results, vol. 113: 676 - 708." type="journal article" year="1990">Abelmann (1990</bibRefCitation>
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, pl. 1, fig. 2) as collosphaerid sp. A from the Middle Miocene of the Antarctic area (Maud Rise, Weddell Sea). A very close species to
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<taxonomicName id="16BB4D050A43DE011CE39132FCB9F899" authority="Dumitrica" authorityName="Dumitrica" authorityYear="2019" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="0" pageNumber="35" phylum="Radiozoa" rank="species" species="brachysiphonia">
|
||
<emphasis id="E3CFEA940A43DE011CE39132FAAFF8B8" box="[1192,1386,1863,1887]" italics="true" pageId="0" pageNumber="35">S. brachysiphonia</emphasis>
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||
Dumitrică
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</taxonomicName>
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||
is
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||
<taxonomicName id="16BB4D050A43DE011BF39113FCA3F87B" authority="Takahashi, 1991" authorityName="? Takahashi" authorityYear="1991" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="0" pageNumber="35" phylum="Radiozoa" rank="species" species="magnisphaera">
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||
<emphasis id="E3CFEA940A43DE011BF39113FAD6F899" box="[952,1299,1894,1918]" italics="true" pageId="0" pageNumber="35">Siphonosphaera magnisphaera</emphasis>
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||
<bibRefCitation id="B52A4B770A43DE011D639113FCA3F87B" author="Takahashi, K." pageId="0" pageNumber="35" pagination="1 - 301" refId="ref3153" refString="Takahashi, K., 1991 - Radiolaria: Flux, ecology and taxonomy in the Pacific and Atlantic. Ocean Biocenosis Series 3: 1 - 301." type="book chapter" year="1991">Takahashi, 1991</bibRefCitation>
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||
</taxonomicName>
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||
(not
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||
<bibRefCitation id="B52A4B770A43DE011BEC91F0FBF9F87B" author="Lazarus, D." box="[935,1084,1924,1948]" pageId="0" pageNumber="35" pagination="785 - 809" refId="ref2826" refString="Lazarus, D., 1992. Antarctic Neogene radiolarians from the Kerguelen Plateau, Legs 119 and 120. in: Wise, S. W., Jr., Schlich, R., et al. Proceedings of the Ocean Drilling Program, Scientific Results, vol. 120: 785 - 809." type="journal article" year="1992">Lazarus 1992</bibRefCitation>
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) by being spherical, by having pitted surface except the borders of pores, but differs from the Badenian species by being larger (having a
|
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</paragraph>
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<caption id="85C4660E0A42DE0018F0905CFB2CF976" ID-DOI="http://doi.org/10.5281/zenodo.10520602" ID-Zenodo-Dep="10520602" httpUri="https://zenodo.org/record/10520602/files/figure.png" pageId="1" pageNumber="36" startId="1.[187,220,1577,1598]" targetBox="[227,1432,169,1523]" targetPageId="1" targetType="figure">
|
||
<paragraph id="D10436860A42DE0018F0905CFB2CF976" blockId="1.[187,1463,1576,1681]" pageId="1" pageNumber="36">
|
||
<emphasis id="E3CFEA940A42DE0018F0905CFEDBF9D9" bold="true" box="[187,286,1577,1598]" pageId="1" pageNumber="36">Fig. 1 a-h</emphasis>
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||
<taxonomicName id="16BB4D050A42DE00196E905DFCC3F9D9" authority="Dumitrica, 1978" authorityName="DUMITRICA" authorityYear="1978" box="[293,774,1576,1598]" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="1" pageNumber="36" phylum="Radiozoa" rank="species" species="brachysiphonia">
|
||
<emphasis id="E3CFEA940A42DE00196E905DFD98F9D9" box="[293,605,1576,1598]" italics="true" pageId="1" pageNumber="36">Siphonosphaera brachysiphonia</emphasis>
|
||
Dumitrică, 1978
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||
</taxonomicName>
|
||
.
|
||
<emphasis id="E3CFEA940A42DE001B5B905CFCD8F9D9" bold="true" box="[784,797,1577,1598]" pageId="1" pageNumber="36">d</emphasis>
|
||
holotype, original photo. Scale bar A (for drawings, a-c) = 100 μm, scale B (for figures in optical microscope) (d-h, k), all from sample 1315, Radiolarian Shale Formation, Păușești Otăsău, Getic Depression, Romania.
|
||
<emphasis id="E3CFEA940A42DE0019D29015FE75F992" bold="true" box="[409,432,1632,1653]" pageId="1" pageNumber="36">i-j</emphasis>
|
||
<taxonomicName id="16BB4D050A42DE0019F49015FD30F991" authority="Su, 1982" authorityName="Su" authorityYear="1982" box="[447,757,1632,1654]" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="1" pageNumber="36" phylum="Radiozoa" rank="species" species="arkys">
|
||
<emphasis id="E3CFEA940A42DE0019F49015FD53F991" box="[447,662,1632,1654]" italics="true" pageId="1" pageNumber="36">Siphonosphaera arkys</emphasis>
|
||
<bibRefCitation id="B52A4B770A42DE001AD59015FD30F991" author="Su, X." box="[670,757,1632,1654]" pageId="1" pageNumber="36" pagination="275 - 284" refId="ref3109" refString="Su, X., 1982. Description of 11 new species of Radiolaria from the Xisha Islands, Guangdong Province, China. Oceanologia et Limnologia Sinica, 13 (3): 275 - 284, pls. 1 - 2." type="journal article" year="1982">Su, 1982</bibRefCitation>
|
||
</taxonomicName>
|
||
, holotype;
|
||
<emphasis id="E3CFEA940A42DE001B2E9015FCB7F992" bold="true" box="[869,882,1632,1653]" pageId="1" pageNumber="36">k</emphasis>
|
||
<taxonomicName id="16BB4D050A42DE001B319015FB76F991" authorityName="DUMITRICA" authorityYear="1978" box="[890,1203,1632,1654]" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="1" pageNumber="36" phylum="Radiozoa" rank="species" species="brachysiphonia">
|
||
<emphasis id="E3CFEA940A42DE001B319015FB76F991" box="[890,1203,1632,1654]" italics="true" pageId="1" pageNumber="36">Siphonosphaera brachysiphonia</emphasis>
|
||
</taxonomicName>
|
||
, specimen from ODP Leg 120, sample 751A-13H-CC, Middle Miocene, approximately 14.4 Ma, kindly provided by Dr. Johan Renaudie.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="D10436860A42DE0018DC90C3FD62F7F8" blockId="1.[151,771,1718,2079]" pageId="1" pageNumber="36">
|
||
diameter of 190-197 μm) and by having a much more perfect spherical shape. Under the same name
|
||
<bibRefCitation id="B52A4B770A42DE001AE490A3FF1AF8EB" author="Lazarus, D." pageId="1" pageNumber="36" pagination="785 - 809" refId="ref2826" refString="Lazarus, D., 1992. Antarctic Neogene radiolarians from the Kerguelen Plateau, Legs 119 and 120. in: Wise, S. W., Jr., Schlich, R., et al. Proceedings of the Ocean Drilling Program, Scientific Results, vol. 120: 785 - 809." type="journal article" year="1992">Lazarus (1992)</bibRefCitation>
|
||
illustrated from Antarctic area (Kerguellen Plateau, ODP Leg 120) two morphotypes: a larger morphotypes (pl. 5, figs. 11, 12) and a smaller one (pl. 2, figs. 9, 10 and pl. 5, figs. 13, 14). The larger morphotype differs from
|
||
<taxonomicName id="16BB4D050A42DE00194B911BFDE2F861" authority="Takahashi" authorityName="? Takahashi" authorityYear="1991" box="[256,551,1902,1926]" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="1" pageNumber="36" phylum="Radiozoa" rank="species" species="magnisphaera">
|
||
<emphasis id="E3CFEA940A42DE00194B911BFE71F861" box="[256,436,1902,1926]" italics="true" pageId="1" pageNumber="36">S. magnisphaera</emphasis>
|
||
Takahashi
|
||
</taxonomicName>
|
||
in having fewer and longer tubes, and the smaller ones in being smaller and having a less perfect spherical shape. The smaller morphotypes illustrated by Lazarus are rather similar to
|
||
<taxonomicName id="16BB4D050A42DE001AA491BFFEF8F7E6" authorityName="DUMITRICA" authorityYear="1978" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="1" pageNumber="36" phylum="Radiozoa" rank="species" species="brachysiphonia">
|
||
<emphasis id="E3CFEA940A42DE001AA491BFFEF8F7E6" italics="true" pageId="1" pageNumber="36">S. brachysiphonia</emphasis>
|
||
</taxonomicName>
|
||
and could be considered as belonging to it. The larger one should belong to a new species.
|
||
</paragraph>
|
||
<paragraph id="D10436860A42DE001B7B90C3FB63F7E6" blockId="1.[816,1437,1718,2049]" pageId="1" pageNumber="36">
|
||
Anyway, all species discussed here seem to form a closely related group characterized by a rather similar morphology and especially by having a pitted surface. For more or less distinct morphologies we should take into account that they occur at different latitudes. The morphotypes (species) illustrated by Abelmann (l. cit.) and Lazarus (l. cit.) come from high south latitudes whereas the species described by
|
||
<bibRefCitation id="B52A4B770A42DE001C0B91F8FB31F842" author="Takahashi, K." box="[1088,1268,1933,1957]" pageId="1" pageNumber="36" pagination="1 - 301" refId="ref3153" refString="Takahashi, K., 1991 - Radiolaria: Flux, ecology and taxonomy in the Pacific and Atlantic. Ocean Biocenosis Series 3: 1 - 301." type="book chapter" year="1991">Takahashi (1991</bibRefCitation>
|
||
come from the tropical area of the Pacific Ocean (
|
||
<geoCoordinate id="B48F50410A42DE001B7391BFFC62F805" box="[824,935,1994,2018]" degrees="15" direction="north" minutes="21.1" orientation="latitude" pageId="1" pageNumber="36" precision="92" value="15.351666">15°21.1’N</geoCoordinate>
|
||
/
|
||
<geoCoordinate id="B48F50410A42DE001BFB91BFFBF0F805" box="[944,1077,1994,2018]" degrees="151" direction="west" minutes="28.5" orientation="longitude" pageId="1" pageNumber="36" precision="92" value="-151.475">151°28.5’W</geoCoordinate>
|
||
). Accordingly, they could be characteristic of different latitudes.
|
||
</paragraph>
|
||
<paragraph id="D10436860A41DE0318DC96EBFF03FD39" blockId="2.[151,771,158,734]" pageId="2" pageNumber="37">
|
||
<emphasis id="E3CFEA940A41DE0318DC96EBFED9FF51" bold="true" box="[151,284,158,182]" pageId="2" pageNumber="37">Occurrence</emphasis>
|
||
. Until present the species
|
||
<taxonomicName id="16BB4D050A41DE031A1D96EBFE76FF32" authority="Dumitrica" authorityName="DUMITRICA" authorityYear="1978" class="Polycystina" family="Collozoidae" genus="Siphonosphaera" kingdom="Chromista" order="Nassellaria" pageId="2" pageNumber="37" phylum="Radiozoa" rank="species" species="brachysiphonia">
|
||
<emphasis id="E3CFEA940A41DE031A1D96EBFEF8FF33" italics="true" pageId="2" pageNumber="37">Siphonosphaera brachysiphonia</emphasis>
|
||
Dumitrică
|
||
</taxonomicName>
|
||
was recorded in the late middle Miocene of
|
||
<collectingCountry id="A9AC76160A41DE03190396AEFE6DFF14" box="[328,424,219,243]" name="Romania" pageId="2" pageNumber="37">Romania</collectingCountry>
|
||
(late Badenian), Antarctic area (Weddell Sea and Kerguellen Plateau), and Quaternary of
|
||
<collectingCountry id="A9AC76160A41DE0318DC976CFF13FED6" box="[151,214,281,305]" name="China" pageId="2" pageNumber="37">China</collectingCountry>
|
||
and Antarctic area. My German colleague Johan Renaudie who very kindly provided a photo of this species mentioned (in lit.) that he observed it in the middle and late Miocene of the ODP sites 689B, 748B and 751A from ca. 9 to 14 Ma. For
|
||
<collectingCountry id="A9AC76160A41DE0319F497E6FDDAFE4C" box="[447,543,403,427]" name="Romania" pageId="2" pageNumber="37">Romania</collectingCountry>
|
||
it is the only collosphaerid recorded in the Radiolarian Shale Formation, and this occurrence fit well in this interval because the Upper Badenian age of the Radiolarian Shale Formation corresponds to the lower Serravallian Mediterranean stage (13.8-12.8 Ma) (see
|
||
<bibRefCitation id="B52A4B770A41DE0319889459FD14FDA3" author="Hohenegger, J. & Coric, S. & Waigreich, M." box="[451,721,556,580]" pageId="2" pageNumber="37" pagination="55 - 66" refId="ref2786" refString="Hohenegger, J., Coric, S., Waigreich, M., 2014. Timing of the Middle Miocene Badenian Stage of the Central Paratethys. Geologica Carpathica 65 (1): 55 - 66." type="journal article" year="2014">Hohenegger et al., 2014</bibRefCitation>
|
||
and
|
||
<bibRefCitation id="B52A4B770A41DE0318DC943EFE8CFD84" author="Dumitrica, P." box="[151,329,587,612]" pageId="2" pageNumber="37" pagination="3 - 20" refId="ref2563" refString="Dumitrica, P., 2016. Middle Miocene (late Badenian) Phaeodaria from Romania. Acta Palaeontologica Romaniae, 12 (2): 3 - 20." type="journal article" year="2016">Dumitrică, 2016</bibRefCitation>
|
||
for detailed discussion). I know no record of this species in the Pliocene, but it should have existed in some places because the synonymy between the middle Miocene species and the Quaternary one is doubtless.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |