127 lines
20 KiB
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127 lines
20 KiB
XML
<document id="7A0859C23B1526EECFD64E22C818868B" ID-CLB-Dataset="299054" ID-DOI="10.5281/zenodo.12117576" ID-GBIF-Dataset="9ec266f5-1dc7-4272-9fbc-67c7f2b0f5aa" ID-ISSN="0026-279X" ID-Zenodo-Dep="12117576" IM.bibliography_approvedBy="valdenar" IM.illustrations_approvedBy="valdenar" IM.materialsCitations_approvedBy="valdenar" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="valdenar" checkinTime="1718741462746" checkinUser="felipe" docAuthor="Lobban, Christopher S." docDate="2015" docId="03826143FF9F817CFF34FAD71018FC51" docLanguage="en" docName="Micronesica.2015.02.1-49.pdf" docOrigin="Micronesica 2015 (2)" docStyle="DocumentStyle:73477DD41873F4E732E2765E250AF97D.1:Micronesica.2013-.journal_article.type1" docStyleId="73477DD41873F4E732E2765E250AF97D" docStyleName="Micronesica.2013-.journal_article.type1" docStyleVersion="1" docTitle="Hemidiscus cuneiformis var. ventricosa Hustedt 1930" docType="treatment" docVersion="5" lastPageNumber="5" masterDocId="FFBB193BFF9B8179FFDCFF9E1460FD3F" masterDocTitle="Benthic marine diatom flora of Guam: new records, redescription of Psammodictyon pustulatum n. comb., n. stat., and three new species (Colliculoamphora gabgabensis, Lauderia excentrica, and Rhoiconeis pagoensis)" masterLastPageNumber="49" masterPageNumber="1" pageNumber="5" updateTime="1719541204275" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-ND-4.0">
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<mods:title id="ABEF4551FA26F3778B0B7E5D9770952E">Benthic marine diatom flora of Guam: new records, redescription of Psammodictyon pustulatum n. comb., n. stat., and three new species (Colliculoamphora gabgabensis, Lauderia excentrica, and Rhoiconeis pagoensis)</mods:title>
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<mods:namePart id="75A03CD9F9687903B58C24D21316E70E">Lobban, Christopher S.</mods:namePart>
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<mods:affiliation id="C8FCBBC6248230F82202145DD403B94C">Division of Natural Sciences, University of Guam, Mangilao, GU 83823, USA e-mail: clobban @ guam. net</mods:affiliation>
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<mods:nameIdentifier id="83A8DA74A5D2F233B49687196263E1F2" type="email">clobban@guam.net</mods:nameIdentifier>
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<mods:title id="C1B77A0E794B6D2BD12CE1F3987AE3C9">Micronesica</mods:title>
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<mods:date id="2011358853D0C963E132112C659EACF5">2015</mods:date>
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<treatment id="03826143FF9F817CFF34FAD71018FC51" ID-DOI="http://doi.org/10.5281/zenodo.12575991" ID-GBIF-Taxon="233814333" ID-Zenodo-Dep="12575991" LSID="urn:lsid:plazi:treatment:03826143FF9F817CFF34FAD71018FC51" httpUri="http://treatment.plazi.org/id/03826143FF9F817CFF34FAD71018FC51" lastPageId="5" lastPageNumber="5" pageId="4" pageNumber="5">
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<subSubSection id="C33183DEFF9F817DFF34FAD71114F85D" box="[232,1396,1353,1378]" pageId="4" pageNumber="5" type="nomenclature">
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<paragraph id="8B94D055FF9F817DFF34FAD71114F85D" blockId="4.[232,1404,1353,1918]" box="[232,1396,1353,1378]" pageId="4" pageNumber="5">
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<heading id="D0DC6739FF9F817DFF34FAD71114F85D" box="[232,1396,1353,1378]" centered="true" fontSize="11" level="2" pageId="4" pageNumber="5" reason="2">
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<taxonomicName id="4C2BABD6FF9F817DFF34FAD717D6F85D" authority="(Castracane) Hustedt" authorityName="Hustedt" authorityYear="1930" baseAuthorityName="Castracane" box="[232,950,1353,1378]" class="Fusulinata" family="Lasiodiscidae" genus="Hemidiscus" kingdom="Chromista" order="Archaediscida" pageId="4" pageNumber="5" phylum="Foraminifera" rank="variety" species="cuneiformis" variety="ventricosa">
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<emphasis id="B95F0C47FF9F817DFF34FAD71662F85D" box="[232,514,1353,1378]" italics="true" pageId="4" pageNumber="5">Hemidiscus cuneiformis</emphasis>
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var.
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<emphasis id="B95F0C47FF9F817DFDE2FAD716D8F85D" box="[574,696,1353,1378]" italics="true" pageId="4" pageNumber="5">ventricosa</emphasis>
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||
(Castracane) Hustedt
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</taxonomicName>
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<figureCitation id="1310CCD0FF9F817DFB2DFAD71114F85D" box="[1265,1396,1353,1378]" captionStart="Figures 41–50" captionStartId="31.[292,372,791,814]" captionTargetId="figure-14@32.[232,1402,328,1560]" captionTargetPageId="32" captionText="Figures 41–50. Figs 41, 42. Hemidiscus cuneiformis var. ventricosa (GU66F-4) (DIC). Fig. 41. Valve view; arrow points to pseudonodulus. Fig. 42. Oblique view with focus on several of the rimoportulae (arrow). Figs 43–48. Lauderia excentrica. Fig. 43. Holotype specimen (GU44I-1) (DIC). Fig. 44. External view of valve showing excentric, reniform annulus and external rimoportula opening (arrow) (GU44Y-13) (SEM). Fig. 45. External detail of annulus (GU55B-4) (SEM). Fig. 46. Internal view of valve with rimoportula (arrow), also showing the external aspect of the fultoportulae along the bottom rim (GY44Y-13) (SEM). Figs 47, 48. External and internal details of striae and fultoportulae, showing 5 satellite pores in the central fultoportulae (arrowhead) and 2-4 in the striae (arrow) (GU44Y-13) (SEM). Figs 49, 50. Mastogloia affirmata valve and valvocopula at two focal planes (GU44AX-1) (DIC). Scale bars: Figs 41, 42, 49, 50 = 10 µm, Figs 43, 44, 46 = 5 µm, Figs 45, 47, 48 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.12575961" httpUri="https://zenodo.org/record/12575961/files/figure.png" pageId="4" pageNumber="5">Figs 41, 42</figureCitation>
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</heading>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C33183DEFF9F817CFF34FAF51018FC51" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5" type="description">
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<paragraph id="8B94D055FF9F817DFF34FAF51064F8BB" blockId="4.[232,1404,1353,1918]" box="[232,1028,1387,1412]" pageId="4" pageNumber="5">
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<taxonomicName id="4C2BABD6FF9F817DFF34FAF51685F8BB" authority="Round & Crawford" authorityName="Round & Crawford" box="[232,741,1387,1412]" class="Bacillariophyceae" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Coscinodiscales" pageId="4" pageNumber="5" phylum="Ochrophyta" rank="order">COSCINODISCALES Round & Crawford</taxonomicName>
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:
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<taxonomicName id="4C2BABD6FF9F817DFD2CFAF51064F8BB" authority="Hendey" authorityName="Hendey" box="[752,1028,1387,1412]" class="Bacillariophyceae" family="Hemidiscaceae" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Coscinodiscales" pageId="4" pageNumber="5" phylum="Ochrophyta" rank="family">Hemidiscaceae Hendey</taxonomicName>
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</paragraph>
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<paragraph id="8B94D055FF9F817DFF34FA1310DEF8D6" blockId="4.[232,1404,1353,1918]" pageId="4" pageNumber="5">
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Ref. illus.:
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<bibRefCitation id="EFBAADA4FF9F817DFEADFA131671F899" author="Hustedt, F." box="[369,529,1421,1446]" pageId="4" pageNumber="5" refId="ref15280" refString="Hustedt, F. 1927 - 1930. Die Kieselalgen Deutschlands, Osterreichs und der Schweiz. In, Rabenhorst's Kryptogamenflora, Band 7, Teil 1. Johnson Reprint, New York." type="book" year="1927">Hustedt 1927</bibRefCitation>
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–1930, fig. 542d;
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<bibRefCitation id="EFBAADA4FF9F817DFD32FA1317F1F899" author="Hendey, N. I." box="[750,913,1421,1446]" pageId="4" pageNumber="5" refId="ref15147" refString="Hendey, N. I. 1964. An Introductory Account of the Smaller Algae of British Coastal Waters. Part V. Bacillariophyceae (Diatoms). Her Majesty's Stationery Office, London." type="book" year="1964">Hendey 1964</bibRefCitation>
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, pl. 22, fig. 9;
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<bibRefCitation id="EFBAADA4FF9F817DFB91FA131083F899" author="Ricard, M." box="[1101,1251,1421,1446]" pageId="4" pageNumber="5" refId="ref17329" refString="Ricard, M. 1987. Atlas du Phytoplancton Marin. Vol. 2. Diatomees. Editions du CNRS, Paris." type="book" year="1987">Ricard 1987</bibRefCitation>
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, figs 30–34;
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<bibRefCitation id="EFBAADA4FF9F817DFF34FA3015B2F8F8" author="Stidolph, S. R. & F. A. S. Sterrenburg & K. E. L. Smith & A. Kraberg" box="[232,466,1454,1479]" pageId="4" pageNumber="5" refId="ref17846" refString="Stidolph, S. R., F. A. S. Sterrenburg, K. E. L. Smith & A. Kraberg. 2012. Stuart R. Stidolph Diatom Atlas: U. S. Geological Survey Open-File Report 2012 - 1163, available online at http: // pubs. usgs. gov / of / 2012 / 1163 / (accessed 25 July 2014)." type="url" year="2012">Stidolph et al. 2012</bibRefCitation>
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, pl. 13, fig. 71 and pl. 4, figs 104, 107;
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<bibRefCitation id="EFBAADA4FF9F817DFC76FA301143F8F8" author="Alvarez-Blanco, I. & S. Blanco" box="[938,1315,1454,1479]" pageId="4" pageNumber="5" pagination="1 - 409" refId="ref14099" refString="Alvarez-Blanco, I. & S. Blanco. 2014. Benthic diatoms from Mediterranean coasts. Bibliotheca Diatomologica 60: 1 - 409." type="journal article" year="2014">Álvarez-Blanco & Blanco 2014</bibRefCitation>
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, pl. 11, fig. 6; the images in
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<bibRefCitation id="EFBAADA4FF9F817DFE05FA4E16C9F8D6" author="Round, F. E. & R. M. Crawford & D. G. Mann" box="[473,681,1488,1513]" pageId="4" pageNumber="5" refId="ref17569" refString="Round, F. E., R. M. Crawford & D. G. Mann. 1990. The Diatoms: Biology and Morphology of the Genera. Cambridge University Press, Cambridge, U. K., 747 pp." type="book" year="1990">Round et al. 1990</bibRefCitation>
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, pp. 192–193, are also evidently this species.
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</paragraph>
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<paragraph id="8B94D055FF9F817DFF34FA6C15AEFB34" blockId="4.[232,1404,1353,1918]" box="[232,462,1522,1547]" pageId="4" pageNumber="5">
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Samples:
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<emphasis id="B95F0C47FF9F817DFE87FA6C15AEFB34" bold="true" box="[347,462,1522,1547]" pageId="4" pageNumber="5">GU66F-4</emphasis>
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</paragraph>
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<paragraph id="8B94D055FF9F817DFF34F98D170DFB13" blockId="4.[232,1404,1353,1918]" box="[232,877,1555,1580]" pageId="4" pageNumber="5">Dimensions: long axis 71–74 µm, short axis 41–45 µm</paragraph>
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<paragraph id="8B94D055FF9F817DFF34F9AB17CAFBEA" blockId="4.[232,1404,1353,1918]" pageId="4" pageNumber="5">
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Diagnostics: Distinctively shaped, lens-shaped in valve view but the frustules wedge-shaped (cuneiform) because the valve faces are at an angle to one another. Areola pattern similar to
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<emphasis id="B95F0C47FF9F817DFF34F9E715E5FBAD" box="[232,389,1657,1682]" italics="true" pageId="4" pageNumber="5">
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<taxonomicName id="4C2BABD6FF9F817DFF34F9E715E1FBAD" authorityName="Ehrenberg" authorityYear="1831" box="[232,385,1657,1682]" class="Gastropoda" family="Actinocyclidae" genus="Actinocyclus" kingdom="Animalia" order="Nudibranchia" pageId="4" pageNumber="5" phylum="Mollusca" rank="genus">Actinocyclus</taxonomicName>
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,
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</emphasis>
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to which it is related, but with a series of radiating patterns around the margin, especially on the less strongly curved side. Large rimoportulae visible in the oblique view (
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<figureCitation id="1310CCD0FF9F817DFA97F9041569FBEA" captionStart="Figures 41–50" captionStartId="31.[292,372,791,814]" captionTargetId="figure-14@32.[232,1402,328,1560]" captionTargetPageId="32" captionText="Figures 41–50. Figs 41, 42. Hemidiscus cuneiformis var. ventricosa (GU66F-4) (DIC). Fig. 41. Valve view; arrow points to pseudonodulus. Fig. 42. Oblique view with focus on several of the rimoportulae (arrow). Figs 43–48. Lauderia excentrica. Fig. 43. Holotype specimen (GU44I-1) (DIC). Fig. 44. External view of valve showing excentric, reniform annulus and external rimoportula opening (arrow) (GU44Y-13) (SEM). Fig. 45. External detail of annulus (GU55B-4) (SEM). Fig. 46. Internal view of valve with rimoportula (arrow), also showing the external aspect of the fultoportulae along the bottom rim (GY44Y-13) (SEM). Figs 47, 48. External and internal details of striae and fultoportulae, showing 5 satellite pores in the central fultoportulae (arrowhead) and 2-4 in the striae (arrow) (GU44Y-13) (SEM). Figs 49, 50. Mastogloia affirmata valve and valvocopula at two focal planes (GU44AX-1) (DIC). Scale bars: Figs 41, 42, 49, 50 = 10 µm, Figs 43, 44, 46 = 5 µm, Figs 45, 47, 48 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.12575961" httpUri="https://zenodo.org/record/12575961/files/figure.png" pageId="4" pageNumber="5">Fig. 42</figureCitation>
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). A pseudonodulus is present on the flatter side (
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<figureCitation id="1310CCD0FF9F817DFC99F92217FDFBEA" box="[837,925,1724,1749]" captionStart="Figures 41–50" captionStartId="31.[292,372,791,814]" captionTargetId="figure-14@32.[232,1402,328,1560]" captionTargetPageId="32" captionText="Figures 41–50. Figs 41, 42. Hemidiscus cuneiformis var. ventricosa (GU66F-4) (DIC). Fig. 41. Valve view; arrow points to pseudonodulus. Fig. 42. Oblique view with focus on several of the rimoportulae (arrow). Figs 43–48. Lauderia excentrica. Fig. 43. Holotype specimen (GU44I-1) (DIC). Fig. 44. External view of valve showing excentric, reniform annulus and external rimoportula opening (arrow) (GU44Y-13) (SEM). Fig. 45. External detail of annulus (GU55B-4) (SEM). Fig. 46. Internal view of valve with rimoportula (arrow), also showing the external aspect of the fultoportulae along the bottom rim (GY44Y-13) (SEM). Figs 47, 48. External and internal details of striae and fultoportulae, showing 5 satellite pores in the central fultoportulae (arrowhead) and 2-4 in the striae (arrow) (GU44Y-13) (SEM). Figs 49, 50. Mastogloia affirmata valve and valvocopula at two focal planes (GU44AX-1) (DIC). Scale bars: Figs 41, 42, 49, 50 = 10 µm, Figs 43, 44, 46 = 5 µm, Figs 45, 47, 48 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.12575961" httpUri="https://zenodo.org/record/12575961/files/figure.png" pageId="4" pageNumber="5">Fig. 41</figureCitation>
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).
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</paragraph>
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<paragraph id="8B94D055FF9F817CFF34F9401018FC51" blockId="4.[232,1404,1353,1918]" lastBlockId="5.[232,1403,240,366]" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
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Comments: Two valves observed in one sample. The ventral curvatures of
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<taxonomicName id="4C2BABD6FF9F817DFBBAF940111AFBC8" authority="Wallich" authorityName="Wallich" authorityYear="1860" box="[1126,1402,1758,1783]" class="Fusulinata" family="Lasiodiscidae" genus="Hemidiscus" kingdom="Chromista" order="Archaediscida" pageId="4" pageNumber="5" phylum="Foraminifera" rank="species" species="cuneiformis">
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<emphasis id="B95F0C47FF9F817DFBBAF9401175FBC8" box="[1126,1301,1758,1783]" italics="true" pageId="4" pageNumber="5">H. cuneiformis</emphasis>
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Wallich
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</taxonomicName>
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vary from straight to sinuous and Hustedt combined several older
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<emphasis id="B95F0C47FF9F817DFBFDF89E101EFA26" box="[1057,1150,1792,1817]" italics="true" pageId="4" pageNumber="5">Eudotia</emphasis>
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species as varieties. Images shown by
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<bibRefCitation id="EFBAADA4FF9F817DFE1CF8BF1615FA05" author="Hendey, N. I." box="[448,629,1825,1850]" pageId="4" pageNumber="5" refId="ref15147" refString="Hendey, N. I. 1964. An Introductory Account of the Smaller Algae of British Coastal Waters. Part V. Bacillariophyceae (Diatoms). Her Majesty's Stationery Office, London." type="book" year="1964">Hendey (1964)</bibRefCitation>
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,
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<bibRefCitation id="EFBAADA4FF9F817DFD5EF8BF1718FA05" author="Stidolph, S. R. & F. A. S. Sterrenburg & K. E. L. Smith & A. Kraberg" box="[642,888,1825,1850]" pageId="4" pageNumber="5" refId="ref17846" refString="Stidolph, S. R., F. A. S. Sterrenburg, K. E. L. Smith & A. Kraberg. 2012. Stuart R. Stidolph Diatom Atlas: U. S. Geological Survey Open-File Report 2012 - 1163, available online at http: // pubs. usgs. gov / of / 2012 / 1163 / (accessed 25 July 2014)." type="url" year="2012">Stidolph et al. (2012</bibRefCitation>
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, pl. 13, fig. 71) and identified simply as
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<taxonomicName id="4C2BABD6FF9F817DFA83F8BF15BBFA63" authority="Wallich" authorityName="Wallich" authorityYear="1860" class="Fusulinata" family="Lasiodiscidae" genus="Hemidiscus" kingdom="Chromista" order="Archaediscida" pageId="4" pageNumber="5" phylum="Foraminifera" rank="species" species="cuneiformis">
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<emphasis id="B95F0C47FF9F817DFA83F8BF1512FA63" italics="true" pageId="4" pageNumber="5">H. cuneiformis</emphasis>
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||
Wallich
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||
</taxonomicName>
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, have a ventral outline as shown here; Hendey did not comment on varieties;
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<bibRefCitation id="EFBAADA4FF9F817DFF34F8FB1581FA41" author="Stidolph, S. R. & F. A. S. Sterrenburg & K. E. L. Smith & A. Kraberg" box="[232,481,1893,1918]" pageId="4" pageNumber="5" refId="ref17846" refString="Stidolph, S. R., F. A. S. Sterrenburg, K. E. L. Smith & A. Kraberg. 2012. Stuart R. Stidolph Diatom Atlas: U. S. Geological Survey Open-File Report 2012 - 1163, available online at http: // pubs. usgs. gov / of / 2012 / 1163 / (accessed 25 July 2014)." type="url" year="2012">Stidolph et al. (2012</bibRefCitation>
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, pl. 10, fig. 30) show the nominate variety, again without noting the variety. The species differs further in valve shape from two fossil species (
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<bibRefCitation id="EFBAADA4FF9E817CFBD1FF6E110EFC36" author="Harwood, D. M. & T. Maruyama" box="[1037,1390,240,265]" pageId="5" pageNumber="6" pagination="683 - 733" refId="ref14925" refString="Harwood, D. M. & T. Maruyama. 1992. Middle Eocene to Pleistocene diatom biostratigraphy of Southern Ocean sediments from the Kerguelen Plateau, Leg 120. In Wise, S. W., Schlich, et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results. College station, Texas (Ocean Drilling Program) 120: 683 - 733." type="journal article" year="1992">Harwood & Maruyama 1992</bibRefCitation>
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||
). Although
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<bibRefCitation id="EFBAADA4FF9E817CFE83FE8C1626FC14" author="Round, F. E. & R. M. Crawford & D. G. Mann" box="[351,582,274,299]" pageId="5" pageNumber="6" refId="ref17569" refString="Round, F. E., R. M. Crawford & D. G. Mann. 1990. The Diatoms: Biology and Morphology of the Genera. Cambridge University Press, Cambridge, U. K., 747 pp." type="book" year="1990">Round et al. (1990)</bibRefCitation>
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(reprinted in AlgaeBase) said that the
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<emphasis id="B95F0C47FF9E817CFBC8FE8C103DFC14" box="[1044,1117,274,299]" italics="true" pageId="5" pageNumber="6">valves</emphasis>
|
||
are cuneiform, it seems to me that
|
||
<bibRefCitation id="EFBAADA4FF9E817CFEB1FEAD1657FC73" author="Wallich, C. G." box="[365,567,307,332]" pageId="5" pageNumber="6" pagination="36 - 55" refId="ref18165" refString="Wallich, C. G. 1860. On the siliceous organisms found in the digestive cavities of the Salpae, and their relation to the flint nodules of the Chalk Formation. Transactions of the Microscopical Society of London, New Series 8: 36 - 55." type="book chapter" year="1860">Wallich’s (1860)</bibRefCitation>
|
||
epithet refers to the shape of the
|
||
<emphasis id="B95F0C47FF9E817CFC0BFEAD1050FC73" box="[983,1072,307,332]" italics="true" pageId="5" pageNumber="6">frustule</emphasis>
|
||
(described by
|
||
<bibRefCitation id="EFBAADA4FF9E817CFB3BFEAD1542FC51" author="Round, F. E. & R. M. Crawford & D. G. Mann" pageId="5" pageNumber="6" refId="ref17569" refString="Round, F. E., R. M. Crawford & D. G. Mann. 1990. The Diatoms: Biology and Morphology of the Genera. Cambridge University Press, Cambridge, U. K., 747 pp." type="book" year="1990">Round et al. 1990</bibRefCitation>
|
||
as “shaped like orange segments”), rather than to the shape of the valve.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |