192 lines
41 KiB
XML
192 lines
41 KiB
XML
<document id="AE62BEE4CF21DF16E47D22E8F0CC7D6C" ID-DOI="10.11646/phytotaxa.336.3.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13720104" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725658603287" checkinUser="felipe" docAuthor="Pennesi, Chiara, Majewska, Roksana, Sterrenburg, Frithjof A. S., Totti, Cecilia & Stefano, Mario De" docDate="2018" docId="03AC0834FFC48363FF644046863BA993" docLanguage="en" docName="phytotaxa.336.3.1.pdf" docOrigin="Phytotaxa 336 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.336.3.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Anorthoneis tenuis Hustedt 1955" docType="treatment" docVersion="3" lastPageNumber="227" masterDocId="FF95704CFFDC8379FFEC42798569A827" masterDocTitle="Taxonomic revision and morphological cladistics analysis of the diatom genus Anorthoneis (Cocconeidaceae), with description of Anorthoneis arthus-bertrandii sp. nov." masterLastPageNumber="238" masterPageNumber="201" pageNumber="225" updateTime="1725670146395" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="EC6AD14B2D0B36008160EE5C3053AC39">Taxonomic revision and morphological cladistics analysis of the diatom genus Anorthoneis (Cocconeidaceae), with description of Anorthoneis arthus-bertrandii sp. nov.</mods:title>
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<mods:namePart id="37CB0606D146BAA526D042E12A0A14AF">Pennesi, Chiara</mods:namePart>
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<mods:affiliation id="5A175D4DA655F6FC1C24D336E243DA62">Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche, via Brecce Bianche, 60131 Ancona, Italy</mods:affiliation>
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<mods:namePart id="F11E0A06F88FB0CE53D959403374059D">Majewska, Roksana</mods:namePart>
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<mods:affiliation id="AA8216D547D5F4E3A36CF8CA08BDC6F9">Unit for Environmental Sciences and Management, North-West University, Potchefstroom 2520, South Africa & Dipartimento di Scienze e Tecnologie Ambientali Biologiche e Farmaceutiche, Seconda Università di Napoli, 81100 Caserta, Italy</mods:affiliation>
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<mods:namePart id="0FE89FDDBC5D488F97B65D881172938F">Sterrenburg, Frithjof A. S.</mods:namePart>
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<mods:affiliation id="02C5E99C1B360BCB523390949222EDC9">National Natural History Museum “ Naturalis ”, Leiden, Stationsweg 1581852 LN Heiloo, The Netherlands</mods:affiliation>
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<mods:namePart id="1363AFBE45BE439EF4F3E21A03E2F0BD">Totti, Cecilia</mods:namePart>
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<mods:affiliation id="E4EC2D456EF15BDEDEB7170D9959ECDA">Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche, via Brecce Bianche, 60131 Ancona, Italy</mods:affiliation>
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<mods:namePart id="E78B464F50A05CE37C381417D4D343F6">Stefano, Mario De</mods:namePart>
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<mods:affiliation id="67193325CE1E7597C09DBBB28B775CC5">Dipartimento di Scienze e Tecnologie Ambientali Biologiche e Farmaceutiche, Seconda Università di Napoli, 81100 Caserta, Italy</mods:affiliation>
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<mods:title id="42CDA7386347D22FCE6A028A925BD978">Phytotaxa</mods:title>
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<mods:date id="9E229ED346EA6AEB8CD221754B82F774">2018</mods:date>
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<mods:number id="3A9A98FB830861DFF88B299C80687F7D">336</mods:number>
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<heading id="D0F20E4EFFC48361FF64404687B0AA7D" bold="true" box="[136,729,575,602]" fontSize="11" level="1" pageId="24" pageNumber="225" reason="1">
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<treatmentCitation id="0AA49F33FFC48361FF644046875CAA7D" author="Hustedt, F." box="[136,565,575,602]" page="15" pageId="24" pageNumber="225" year="1955">
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<taxonomicName id="4C05C2A1FFC48361FF644046875CAA7D" authority="Hustedt 1955: 15" authorityName="Hustedt" authorityPageNumber="15" authorityYear="1955" box="[136,565,575,602]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="24" pageNumber="225" phylum="Ochrophyta" rank="species" species="tenuis">
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<emphasis id="B9716530FFC48361FF644046840DAA7D" bold="true" box="[136,356,575,602]" italics="true" pageId="24" pageNumber="225">Anorthoneis tenuis</emphasis>
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<bibRefCitation id="EF94C4D3FFC48361FE874038875CAA7D" author="Hustedt, F." box="[363,565,577,602]" pageId="24" pageNumber="225" pagination="5 - 67" refId="ref18183" refString="Hustedt, F. (1955) Marine littoral diatoms of Beaufort, North Carolina. Duke University Marine Station Bulletin 6: 5 - 67." type="journal article" year="1955">Hustedt 1955: 15</bibRefCitation>
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(
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<figureCitation id="133EA5A7FFC48361FDA8403887B8AA7D" box="[580,721,577,602]" captionStart-0="FIGURES 97–102" captionStart-1="FIGURES 103–111" captionStartId-0="24.[136,243,1475,1496]" captionStartId-1="25.[136,243,1804,1825]" captionTargetBox-0="[233,1355,656,1444]" captionTargetBox-1="[219,1373,203,1778]" captionTargetId-0="figure-207@24.[227,1361,646,1450]" captionTargetId-1="figure-14@25.[209,1378,175,1778]" captionTargetPageId-0="24" captionTargetPageId-1="25" captionText-0="FIGURES 97–102. Historical reports of Anorthoneis tenuis by different authors. (97) Drawings of sternum and raphe-sternum valves of A. tenuis from Hustedt (1955) (holotype); (98, 99) Micrographs of A. tenuis specimen H65366 from slide ZT2/01, material AM794 from Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany); (100–102) Micrographs of other specimens of A. tenuis from slide ZT2/01, material AM794 from Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), LM images. Scale bars: Figs 101–106 = 2 μm." captionText-1="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi-0="http://doi.org/10.5281/zenodo.13720150" figureDoi-1="http://doi.org/10.5281/zenodo.13720154" httpUri-0="https://zenodo.org/record/13720150/files/figure.png" httpUri-1="https://zenodo.org/record/13720154/files/figure.png" pageId="24" pageNumber="225">Figs 97–111</figureCitation>
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)
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</paragraph>
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<subSubSection id="C31FEAA9FFC48361FF64401181DEAA5A" box="[136,1207,616,637]" pageId="24" pageNumber="225" type="reference_group">
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<paragraph id="8BBAB922FFC48361FF64401181DEAA5A" blockId="24.[136,1207,575,637]" box="[136,1207,616,637]" pageId="24" pageNumber="225">
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<emphasis id="B9716530FFC48361FF6440118471AA5A" bold="true" box="[136,280,616,637]" pageId="24" pageNumber="225">References:—</emphasis>
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<bibRefCitation id="EF94C4D3FFC48361FEF4401184C3AA5A" author="Hustedt, F." box="[280,426,616,637]" pageId="24" pageNumber="225" pagination="5 - 67" refId="ref18183" refString="Hustedt, F. (1955) Marine littoral diatoms of Beaufort, North Carolina. Duke University Marine Station Bulletin 6: 5 - 67." type="journal article" year="1955">Hustedt (1955)</bibRefCitation>
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, p. 15, pl. 2 fig. 5, pl. 5 figs 14–15; Simonsen (1987), p. 405, pl. 603, figs 15–20.
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</paragraph>
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<caption id="DF7AE9AAFFC48361FF6447BA872EAE43" ID-DOI="http://doi.org/10.5281/zenodo.13720150" ID-Zenodo-Dep="13720150" httpUri="https://zenodo.org/record/13720150/files/figure.png" pageId="24" pageNumber="225" startId="24.[136,243,1475,1496]" targetBox="[233,1355,656,1444]" targetPageId="24" targetType="figure">
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<paragraph id="8BBAB922FFC48361FF6447BA872EAE43" blockId="24.[136,1452,1475,1636]" pageId="24" pageNumber="225">
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<emphasis id="B9716530FFC48361FF6447BA842EADFF" bold="true" box="[136,327,1475,1496]" pageId="24" pageNumber="225">FIGURES 97–102.</emphasis>
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Historical reports of
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<taxonomicName id="4C05C2A1FFC48361FDF947BA87A3ADFF" authorityName="Hustedt" authorityYear="1955" box="[533,714,1475,1496]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="24" pageNumber="225" phylum="Ochrophyta" rank="species" species="tenuis">
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<emphasis id="B9716530FFC48361FDF947BA87A3ADFF" box="[533,714,1475,1496]" italics="true" pageId="24" pageNumber="225">Anorthoneis tenuis</emphasis>
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by different authors. (97) Drawings of sternum and raphe-sternum valves of
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<taxonomicName id="4C05C2A1FFC48361FF64479C85B5ADDD" authorityName="Hustedt" authorityYear="1955" box="[136,220,1509,1530]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="24" pageNumber="225" phylum="Ochrophyta" rank="species" species="tenuis">
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<emphasis id="B9716530FFC48361FF64479C85B5ADDD" box="[136,220,1509,1530]" italics="true" pageId="24" pageNumber="225">A. tenuis</emphasis>
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</taxonomicName>
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from
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<bibRefCitation id="EF94C4D3FFC48361FEFB479C84C1ADDD" author="Hustedt, F." box="[279,424,1509,1530]" pageId="24" pageNumber="225" pagination="5 - 67" refId="ref18183" refString="Hustedt, F. (1955) Marine littoral diatoms of Beaufort, North Carolina. Duke University Marine Station Bulletin 6: 5 - 67." type="journal article" year="1955">Hustedt (1955)</bibRefCitation>
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(holotype); (98, 99) Micrographs of
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<taxonomicName id="4C05C2A1FFC48361FCE1479C8608ADDD" authorityName="Hustedt" authorityYear="1955" box="[781,865,1509,1530]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="24" pageNumber="225" phylum="Ochrophyta" rank="species" species="tenuis">
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<emphasis id="B9716530FFC48361FCE1479C8608ADDD" box="[781,865,1509,1530]" italics="true" pageId="24" pageNumber="225">A. tenuis</emphasis>
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</taxonomicName>
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specimen H65366 from slide ZT2/01, material AM794 from Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany); (100–102) Micrographs of other specimens of
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||
<taxonomicName id="4C05C2A1FFC48361FA7B447185A8AE67" authorityName="Hustedt" authorityYear="1955" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="24" pageNumber="225" phylum="Ochrophyta" rank="species" species="tenuis">
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<emphasis id="B9716530FFC48361FA7B447185A8AE67" italics="true" pageId="24" pageNumber="225">A. tenuis</emphasis>
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</taxonomicName>
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from slide ZT2/01, material AM794 from Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), LM images. Scale bars: Figs 101–106 = 2 μm.
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</paragraph>
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</caption>
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<subSubSection id="C31FEAA9FFC48363FF6444F4863BA993" lastPageId="26" lastPageNumber="227" pageId="24" pageNumber="225" type="description">
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<paragraph id="8BBAB922FFC48361FF6444F485DDAEEE" blockId="24.[136,1452,1677,2018]" pageId="24" pageNumber="225">
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<emphasis id="B9716530FFC48361FF6444F4847BAE81" bold="true" box="[136,274,1677,1702]" pageId="24" pageNumber="225">Description</emphasis>
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:
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<emphasis id="B9716530FFC48361FEF644F4845FAE81" bold="true" box="[282,310,1677,1702]" pageId="24" pageNumber="225">—</emphasis>
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Valves elliptic to broadly elliptic (
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<figureCitation id="133EA5A7FFC48361FD5444F48630AE81" box="[696,857,1677,1702]" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="24" pageNumber="225">Figs 104, 109</figureCitation>
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). Apical axis: 8.5–14.5 μm, transapical axis: 7.5–9.5 μm.
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</paragraph>
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<paragraph id="8BBAB922FFC48361FF5144A887C9AFC5" blockId="24.[136,1452,1677,2018]" pageId="24" pageNumber="225">
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<emphasis id="B9716530FFC48361FF5144A8846CAECB" bold="true" box="[189,261,1745,1772]" pageId="24" pageNumber="225">
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<emphasis id="B9716530FFC48361FF5144A885B6AECC" bold="true" box="[189,223,1745,1771]" italics="true" pageId="24" pageNumber="225">SV</emphasis>
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:—
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</emphasis>
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Externally, valve face concave to convex close to the short mantle terminating in a hyaline marginal area (
|
||
<figureCitation id="133EA5A7FFC48361FF7C448F859DAF28" box="[144,244,1782,1807]" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="24" pageNumber="225">Fig. 103</figureCitation>
|
||
). Sternum slightly asymmetrical, narrow, terminating in subcircular terminal areas (
|
||
<figureCitation id="133EA5A7FFC48361FB46448F8067AF28" box="[1194,1294,1782,1807]" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="24" pageNumber="225">Fig. 103</figureCitation>
|
||
). Central area very small (
|
||
<figureCitation id="133EA5A7FFC48361FEF945608412AF15" box="[277,379,1817,1842]" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="24" pageNumber="225">Fig. 103</figureCitation>
|
||
). Transapical striae uniseriate,
|
||
<quantity id="4CFD14C7FFC48361FD0945608625AF15" box="[741,844,1817,1842]" metricMagnitude="-1" metricUnit="m" metricValue="5.08" metricValueMax="5.588" metricValueMin="4.572" pageId="24" pageNumber="225" unit="in" value="20.0" valueMax="22.0" valueMin="18.0">18–22 in</quantity>
|
||
10 μm, slightly radiate throughout the whole valve surface. Uniseriate stria composed of small circular areolae (
|
||
<quantity id="4CFD14C7FFC48361FCD4454486F7AF71" box="[824,926,1853,1878]" metricMagnitude="-1" metricUnit="m" metricValue="5.334" metricValueMax="5.588" metricValueMin="5.08" pageId="24" pageNumber="225" unit="in" value="21.0" valueMax="22.0" valueMin="20.0">20–22 in</quantity>
|
||
10 μm) internally occluded by hymenes (
|
||
<figureCitation id="133EA5A7FFC48361FA9645448599AF5E" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="24" pageNumber="225">Figs 105, 106</figureCitation>
|
||
). Close to the valve margin, areolae appear to be smaller and transapically elongated (
|
||
<figureCitation id="133EA5A7FFC48361FB2445198040AF5E" box="[1224,1321,1888,1913]" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="24" pageNumber="225">Fig. 105</figureCitation>
|
||
) Internally, sternum asymmetrical, wide, clearly thickened and raised, expanding centrally into large asymmetrical subcircular central area and distally into roundish to subtriangular terminal areas, distant from the valve margin (104, 107). Other valve structures are similar to the external ones.
|
||
</paragraph>
|
||
<caption id="DF7AE9AAFFC58360FF6445758444A03A" ID-DOI="http://doi.org/10.5281/zenodo.13720154" ID-Zenodo-Dep="13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="25" pageNumber="226" startId="25.[136,243,1804,1825]" targetBox="[219,1373,203,1778]" targetPageId="25" targetType="figure">
|
||
<paragraph id="8BBAB922FFC58360FF6445758444A03A" blockId="25.[136,1452,1804,2077]" pageId="25" pageNumber="226">
|
||
<emphasis id="B9716530FFC58360FF644575843BAF06" bold="true" box="[136,338,1804,1825]" pageId="25" pageNumber="226">FIGURES 103–111.</emphasis>
|
||
<taxonomicName id="4C05C2A1FFC58360FEB645758778AF06" authorityName="Hustedt" authorityYear="1955" box="[346,529,1804,1825]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Anorthoneis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" pageId="25" pageNumber="226" phylum="Ochrophyta" rank="species" species="tenuis">
|
||
<emphasis id="B9716530FFC58360FEB645758778AF06" box="[346,529,1804,1825]" italics="true" pageId="25" pageNumber="226">Anorthoneis tenuis</emphasis>
|
||
</taxonomicName>
|
||
specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BBAB922FFC68363FF5142E7863BA993" blockId="26.[136,1452,158,436]" pageId="26" pageNumber="227">
|
||
<emphasis id="B9716530FFC68363FF5142E78471A89F" bold="true" box="[189,280,158,184]" pageId="26" pageNumber="227">
|
||
<emphasis id="B9716530FFC68363FF5142E7859BA89F" bold="true" box="[189,242,158,184]" italics="true" pageId="26" pageNumber="227">RSV</emphasis>
|
||
:—
|
||
</emphasis>
|
||
Valves lightly silicified. Externally. Valve face almost flat, becoming concave close to the very short and shallow mantle (
|
||
<figureCitation id="133EA5A7FFC68363FE9542BA8774A8FB" box="[377,541,195,220]" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="26" pageNumber="227">Figs 109, 110</figureCitation>
|
||
). Raphe-sternum apically asymmetric, very narrow, linear, terminating close to the valve face-mantle junction (
|
||
<figureCitation id="133EA5A7FFC68363FE1E429E87FAA927" box="[498,659,231,256]" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="26" pageNumber="227">Figs 109, 110</figureCitation>
|
||
). Central and terminal areas very small, hardly discernible (
|
||
<figureCitation id="133EA5A7FFC68363FAAC429E85DDA903" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="26" pageNumber="227">Figs 108, 111</figureCitation>
|
||
). Striae uniseriate,
|
||
<quantity id="4CFD14C7FFC68363FE60437284ACA903" box="[396,453,267,292]" metricMagnitude="-1" metricUnit="m" metricValue="7.62" pageId="26" pageNumber="227" unit="in" value="30.0">30 in</quantity>
|
||
10 μm, becoming biseriate on the mantle (
|
||
<figureCitation id="133EA5A7FFC68363FC444372812CA903" box="[936,1093,267,292]" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="26" pageNumber="227">Figs 109, 111</figureCitation>
|
||
). Areolae small, roundish,
|
||
<quantity id="4CFD14C7FFC68363FA9E437280C5A903" box="[1394,1452,267,292]" metricMagnitude="-1" metricUnit="m" metricValue="8.89" pageId="26" pageNumber="227" unit="in" value="35.0">35 in</quantity>
|
||
10 μm, occluded by hymenes ultrastructurally similar to those in the SV. The low level of silicification and the small dimensions of areolae give the valve face almost hyaline appearance (
|
||
<figureCitation id="133EA5A7FFC68363FC4C432A8694A94B" box="[928,1021,339,364]" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="26" pageNumber="227">Fig 109</figureCitation>
|
||
). Both the central and the distal raphe endings are expanded, pore-like (
|
||
<figureCitation id="133EA5A7FFC68363FDEC430E870CA9B7" box="[512,613,375,400]" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="26" pageNumber="227">Figs 108</figureCitation>
|
||
,
|
||
<figureCitation id="133EA5A7FFC68363FD9E430E87F7A9B7" box="[626,670,375,400]" captionStart="FIGURES 112–115" captionStartId="26.[136,243,1348,1369]" captionTargetBox="[231,1356,601,1317]" captionTargetId="figure-197@26.[227,1361,597,1323]" captionTargetPageId="26" captionText="FIGURES 112–115. Historical report of Anorthoneis vortex by different authors, LM images. (112–114) A. vortex specimens from Sterrenburg (1987), slide BM 81500, Bergen aan Zee, The Netherlands; (115) A. vortex specimens from Witkowski et al. (2000). Scale bars: Figs 112–114 = 5 μm." figureDoi="http://doi.org/10.5281/zenodo.13720156" httpUri="https://zenodo.org/record/13720156/files/figure.png" pageId="26" pageNumber="227">115</figureCitation>
|
||
), the latter terminating somewhat distant from the valve margin (
|
||
<figureCitation id="133EA5A7FFC68363FA92430E85DDA993" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="26" pageNumber="227">Fig. 111</figureCitation>
|
||
). Valvocopula open, with a smooth inner margin (
|
||
<figureCitation id="133EA5A7FFC68363FD0F43E2862CA993" box="[739,837,411,436]" captionStart="FIGURES 103–111" captionStartId="25.[136,243,1804,1825]" captionTargetBox="[219,1373,203,1778]" captionTargetId="figure-14@25.[209,1378,175,1778]" captionTargetPageId="25" captionText="FIGURES 103–111. Anorthoneis tenuis specimens from Hustedt’s cleaned material AM794, Beaufort, North Carolina, USA (Hustedt Diatom Collection, Bremerhaven, Germany), SEM images. (103) Tilted external view (60°) of sternum valve; (104) Sternum valve in internal view; (105) Detail of external sternum valve mantle showing smaller and transapically elongated areola at the end of each stria; (106) Detail of sternum valve mantle in internal view showing irregular areolae; (107) Tilted internal view (60°) of sternum valve; (108) Detail of coaxial, expanded, pore-like raphe central endings in external view; (109) Tilted external view (30°) of raphe-sternum valve with open valvocopula; (110) Tilted external view (60°) of raphe-sternum valve; (111) Detail of the raphe-sternum valve showing the biseriate mantle striae and a expanded, pore-like distal raphe ending. Scale bars: Fig. 107 = 5 μm; Figs 103, 104, 109, 110 = 2 μm; Figs 105, 106, 108, 111 = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13720154" httpUri="https://zenodo.org/record/13720154/files/figure.png" pageId="26" pageNumber="227">Fig. 109</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |