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<document id="5362B344AFDC78A884C3AA124A17D586" ID-DOI="10.11646/phytotaxa.382.1.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13724044" 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="1725669367308" checkinUser="felipe" docAuthor="Sims, Pat A., Williams, David M. &amp; Ashworth, Matt" docDate="2018" docId="12590703F40FFF8422DCFD8DFBD92279" docLanguage="en" docName="phytotaxa.382.1.1.pdf" docOrigin="Phytotaxa 382 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.382.1.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Zygoceros rhombus Ehrenberg 1839" docType="treatment" docVersion="2" lastPageNumber="20" masterDocId="EE607F7BF41CFF972254FFF9FF8E2724" masterDocTitle="Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera" masterLastPageNumber="56" masterPageNumber="1" pageNumber="20" updateTime="1725681263685" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="A95D9D149F9F5B710DAAEBCEB3DAF6AA">Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera</mods:title>
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<paragraph id="9A4FB615F40FFF8422DCFD8DFA2525A9" blockId="19.[136,1451,628,653]" box="[136,1451,628,653]" pageId="19" pageNumber="20">
<heading id="C1070179F40FFF8422DCFD8DFA2525A9" box="[136,1451,628,653]" centered="true" fontSize="11" level="2" pageId="19" pageNumber="20" reason="3">
<treatmentCitationGroup id="BAE0913BF40FFF8422DCFD8DFA2525A9" box="[136,1451,628,653]" pageId="19" pageNumber="20">
<treatmentCitation id="1B519004F40FFF8422DCFD8DFDE425A9" author="Ehrenberg, C. G." box="[136,618,628,653]" page="156" pageId="19" pageNumber="20" year="1839">
<taxonomicName id="5DF0CD96F40FFF8422DCFD8DFDE425A9" authority="Ehrenberg (1839: 156" authorityName="Ehrenberg" authorityYear="1839" box="[136,618,628,653]" class="Bacillariophyceae" family="Triceratiaceae" genus="Zygoceros" higherTaxonomySource="GBIF" kingdom="Chromista" order="Triceratiales" pageId="19" pageNumber="20" phylum="Ochrophyta" rank="species" species="rhombus">
<emphasis id="A8846A07F40FFF8422DCFD8DFEE225A9" bold="true" box="[136,364,628,653]" italics="true" pageId="19" pageNumber="20">Zygoceros rhombus</emphasis>
<bibRefCitation id="FE61CBE4F40FFF842326FD8DFDE425A9" author="Ehrenberg, C. G." box="[370,618,628,653]" pageId="19" pageNumber="20" pagination="152 - 159" refId="ref27003" refString="Ehrenberg, C. G. (1839) […] las uber jetzt wirklich noch zahlreich lebende Thier-Arten der Kreideformation der Erde. Bericht uber die zur Bekanntmachung geeigneten Verhandlungen der Koniglich-Preussischen Akademie der Wissenschaften zu Berlin [1839]: 152 - 159." type="journal article" year="1839">Ehrenberg (1839: 156</bibRefCitation>
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;
<bibRefCitation id="FE61CBE4F40FFF842022FD8DFCA725A9" author="Ehrenberg, C. G." box="[630,809,628,653]" pageId="19" pageNumber="20" pagination="152 - 159" refId="ref27003" refString="Ehrenberg, C. G. (1839) […] las uber jetzt wirklich noch zahlreich lebende Thier-Arten der Kreideformation der Erde. Bericht uber die zur Bekanntmachung geeigneten Verhandlungen der Koniglich-Preussischen Akademie der Wissenschaften zu Berlin [1839]: 152 - 159." type="journal article" year="1839">Ehrenberg 1839</bibRefCitation>
[
<bibRefCitation id="FE61CBE4F40FFF842163FD8DFCF925A9" author="Ehrenberg, C. G." box="[823,887,628,653]" pageId="19" pageNumber="20" pagination="81 - 174" refId="ref27127" refString="Ehrenberg, C. G. (1841) Uber noch jetzt zahlreich lebende Theirarten der Kriedebildung und den Organismus der Polythalamien. Abhandlungen der Konigliche Akademie der Wissenschaften zu Berlin (1839): 81 - 174, pls. 1 - 4." type="journal article" year="1841">1841</bibRefCitation>
]: 160, pl. IV, fig. XII;
<treatmentCitation id="1B519004F40FFF84263AFD8DFAD525A9" author="Ehrenberg, C. G." box="[1134,1371,628,653]" page="80" pageId="19" pageNumber="20" year="1840">
<bibRefCitation id="FE61CBE4F40FFF84263AFD8DFAD525A9" author="Ehrenberg, C. G." box="[1134,1371,628,653]" pageId="19" pageNumber="20" refId="ref27088" refString="Ehrenberg, C. G. (1840 b) Uber noch zahlreich jetzt lebende Thierarten der Kreidebildung und den Organismus der Polythalamien, Berlin, 94 pp., 4 pls. [preprint of 1841]." type="book" year="1840">Ehrenberg 1840b: 80</bibRefCitation>
</treatmentCitation>
, pl. IV,
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</paragraph>
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fig. XII) (
<figureCitation id="02CBAA90F40FFF8422A0FD61FEFA2595" box="[244,372,664,689]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Figs 65–71</figureCitation>
)
</paragraph>
</subSubSection>
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<paragraph id="9A4FB615F40FFF8422DCFD47FEF425D3" blockId="19.[136,1452,664,831]" pageId="19" pageNumber="20">
<emphasis id="A8846A07F40FFF8422DCFD47FF7F25F7" bold="true" box="[136,241,702,723]" pageId="19" pageNumber="20">Synonyms</emphasis>
:—
<taxonomicName id="5DF0CD96F40FFF842344FD47FC9525F7" authority="(Ehrenberg) W. Smith (1856: 49" authorityName="W. Smith" authorityYear="1856" baseAuthorityName="Ehrenberg" box="[272,795,702,723]" class="Bacillariophyceae" family="Biddulphiaceae" genus="Biddulphia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Biddulphiales" pageId="19" pageNumber="20" phylum="Ochrophyta" rank="species" species="rhombus">
<emphasis id="A8846A07F40FFF842344FD47FE5825F7" box="[272,470,702,723]" italics="true" pageId="19" pageNumber="20">Biddulphia rhombus</emphasis>
(Ehrenberg) W.
<bibRefCitation id="FE61CBE4F40FFF84202EFD47FC9525F7" author="Smith, W." box="[634,795,702,723]" pageId="19" pageNumber="20" refId="ref31511" refString="Smith, W. (1856) Synopsis of the British Diatomaceae; with remarks of their structure, functions and distribution; and instructions for collecting and preserving specimens. 2. John Van Voorst, London, 107 pp." type="book" year="1856">Smith (1856: 49</bibRefCitation>
</taxonomicName>
, pl. 45, fig. 320; pl. 61, fig. 320)
<taxonomicName id="5DF0CD96F40FFF84263CFD47FEF425D3" authority="R. Jahn &amp; Kusber (2004: 584)" authorityName="R. Jahn &amp; Kusber" authorityPageNumber="584" authorityYear="2004" class="Collembola" family="Odontellidae" genus="Odontella" kingdom="Animalia" order="Poduromorpha" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="rhomboides">
<emphasis id="A8846A07F40FFF84263CFD47FACE25F7" box="[1128,1344,702,723]" italics="true" pageId="19" pageNumber="20">Odontella rhomboides</emphasis>
R.
<bibRefCitation id="FE61CBE4F40FFF842731FD47FEF425D3" author="Jahn, R. &amp; Kusber, W. - H." pageId="19" pageNumber="20" pagination="577 - 595" refId="ref28545" refString="Jahn, R. &amp; Kusber, W. - H. (2004) Algae of the Ehrenberg collection - 1. Typification of 32 names of diatom taxa described by C. G. Ehrenberg. Willdenowia 34: 577 - 595. https: // doi. org / 10.3372 / wi. 34.34219" type="journal article" year="2004">Jahn &amp; Kusber (2004: 584)</bibRefCitation>
</taxonomicName>
</paragraph>
</subSubSection>
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<paragraph id="9A4FB615F40FFF8422DCFCFFFC4A241B" blockId="19.[136,1452,664,831]" pageId="19" pageNumber="20">
<emphasis id="A8846A07F40FFF8422DCFCFFFF54243F" bold="true" box="[136,218,774,795]" pageId="19" pageNumber="20">Type:—</emphasis>
Cuxhaven [
<collectingCountry id="E2E7F685F40FFF842312FCFFFE28243F" box="[326,422,774,795]" name="Germany" pageId="19" pageNumber="20">Germany</collectingCountry>
], 540043-4
<collectionCode id="FCE12ED0F40FFF842042FCFFFDE0243F" box="[534,622,774,795]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13660" lsid="urn:lsid:biocol.org:col:13660" name="Museum für Naturkunde Berlin" pageId="19" pageNumber="20" type="Museum">BHUPM</collectionCode>
,
<typeStatus id="454B08B7F40FFF842022FCFFFD40243F" box="[630,718,774,795]" pageId="19" pageNumber="20" type="lectotype">lectotype</typeStatus>
(
<bibRefCitation id="FE61CBE4F40FFF84208DFCFFFC2F243F" author="Jahn, R. &amp; Kusber, W. - H." box="[729,929,774,795]" pageId="19" pageNumber="20" pagination="577 - 595" refId="ref28545" refString="Jahn, R. &amp; Kusber, W. - H. (2004) Algae of the Ehrenberg collection - 1. Typification of 32 names of diatom taxa described by C. G. Ehrenberg. Willdenowia 34: 577 - 595. https: // doi. org / 10.3372 / wi. 34.34219" type="journal article" year="2004">Jahn &amp; Kusber 2004</bibRefCitation>
: fig. 45); 540211-5
<collectionCode id="FCE12ED0F40FFF84260EFCFFFB21243F" box="[1114,1199,774,795]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13660" lsid="urn:lsid:biocol.org:col:13660" name="Museum für Naturkunde Berlin" pageId="19" pageNumber="20" type="Museum">BHUPM</collectionCode>
(
<bibRefCitation id="FE61CBE4F40FFF8426EFFCFFFA0D243F" author="Jahn, R. &amp; Kusber, W. - H." box="[1211,1411,774,795]" pageId="19" pageNumber="20" pagination="577 - 595" refId="ref28545" refString="Jahn, R. &amp; Kusber, W. - H. (2004) Algae of the Ehrenberg collection - 1. Typification of 32 names of diatom taxa described by C. G. Ehrenberg. Willdenowia 34: 577 - 595. https: // doi. org / 10.3372 / wi. 34.34219" type="journal article" year="2004">Jahn &amp; Kusber 2004</bibRefCitation>
: fig. 44) and 360805-c
<collectionCode id="FCE12ED0F40FFF842339FCD3FE4C241B" box="[365,450,810,831]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13660" lsid="urn:lsid:biocol.org:col:13660" name="Museum für Naturkunde Berlin" pageId="19" pageNumber="20" type="Museum">BHUPM</collectionCode>
(“Cuxhaven I”,
<bibRefCitation id="FE61CBE4F40FFF842035FCD3FD7F241B" author="Sar, E. A. &amp; Sunesen, I. &amp; Jahn, R. &amp; Kusber, W-H. &amp; Lavigne, A. S." box="[609,753,810,831]" pageId="19" pageNumber="20" pagination="341 - 353" refId="ref30798" refString="Sar, E. A., Sunesen, I., Jahn, R., Kusber, W-H. &amp; Lavigne, A. S. (2007) Revision of Odontella atlantica (Frenguelli) Sar comb. et. stat. nov. with comparison to two related species O. rhombus (Ehrenb.) Kutz and O. rhomboides R. Jahn et Kusber. Diatom Research 22: 341 - 353. https: // doi. org / 10.1080 / 0269249 X. 2007.9705720" type="journal article" year="2007">
Sar
<emphasis id="A8846A07F40FFF8420D3FCD3FD36241B" box="[647,696,810,831]" italics="true" pageId="19" pageNumber="20">et al.</emphasis>
2007
</bibRefCitation>
: fig. 3),
<typeStatus id="454B08B7F40FFF842114FCD3FC4F241B" box="[832,961,810,831]" pageId="19" pageNumber="20" type="isolectotype">isolectotypes</typeStatus>
.
</paragraph>
<paragraph id="9A4FB615F40FFF8422DCFC89FD3124F5" blockId="19.[136,1452,880,1373]" pageId="19" pageNumber="20">
In girdle view frustules square to rectangular, apical axis 50–108μm, transapical axis 40–60μm, with central set of girdle bands. Valves with narrow mantles, indented, extending to narrow mantle flange, with polar elevations that extend outwards to lie in line with girdle (
<figureCitation id="02CBAA90F40FFF84200AFC41FD3D24F5" box="[606,691,952,977]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Fig. 69</figureCitation>
).
</paragraph>
<paragraph id="9A4FB615F40FFF8422E9FC25FC9323A1" blockId="19.[136,1452,880,1373]" pageId="19" pageNumber="20">
Valve outline lanceolate or triangular (
<figureCitation id="02CBAA90F40FFF842028FC25FC8A24D1" box="[636,772,988,1013]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Figs 65, 66</figureCitation>
), length 40–180μm, breadth 30–50μm, with rim of mantle flange extending slightly beyond valve outline (
<figureCitation id="02CBAA90F40FFF8420CCFBF9FD65233D" box="[664,747,1024,1049]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Fig. 67</figureCitation>
). Valve surface almost flat with a barely raised elevation at each pole (
<figureCitation id="02CBAA90F40FFF84229DFBDDFE902319" box="[201,286,1060,1085]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Fig. 69</figureCitation>
). Summit of elevation with hyaline rimmed ocellus positioned mostly on dorsal side (
<figureCitation id="02CBAA90F40FFF8426BFFBDDFACE2319" box="[1259,1344,1060,1085]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Fig. 68</figureCitation>
). Areolae loculate with continuous cribrum linked by passage pores (
<figureCitation id="02CBAA90F40FFF842142FBB1FC1A2345" box="[790,916,1096,1121]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Figs 67, 68</figureCitation>
) with 8 areolae in 10μm in transapical rows that meet at central apical line (annulus), with 8 striae in 10μm.
</paragraph>
<paragraph id="9A4FB615F40FFF8422E9FB69FD10221D" blockId="19.[136,1452,880,1373]" pageId="19" pageNumber="20">
A regular series of buttressed spines with branched tips and branched spines situated above locular walls (
<figureCitation id="02CBAA90F40FFF84272AFB69FF2623E9" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Fig. 67</figureCitation>
). 2–6 sub-marginal rimoportulae open through short spine (
<figureCitation id="02CBAA90F40FFF842112FB4DFC1923E9" box="[838,919,1204,1229]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Fig. 67</figureCitation>
) buttressed at base on valve exterior (if 2, each positioned at base of elevation–
<figureCitation id="02CBAA90F40FFF8423ADFB21FDC523D5" box="[505,587,1240,1265]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Fig. 68</figureCitation>
); on interior through short barely raised slits (
<figureCitation id="02CBAA90F40FFF842630FB21FB3523D5" box="[1124,1211,1240,1265]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Fig. 70</figureCitation>
). Girdle bands open, valvocopula with well-developed pars interior (
<figureCitation id="02CBAA90F40FFF8420F1FB05FD752231" box="[677,763,1276,1301]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Fig. 71</figureCitation>
). Each band with narrow hyaline margins bordering vertical rows of poroid areolae, c.
<quantity id="5D081BF0F40FFF8423F9FAD9FE68221D" box="[429,486,1312,1337]" metricMagnitude="-1" metricUnit="m" metricValue="3.81" pageId="19" pageNumber="20" unit="in" value="15.0">15 in</quantity>
10μm (
<figureCitation id="02CBAA90F40FFF842069FAD9FD1E221D" box="[573,656,1312,1337]" captionStart="FIGURES 65–71" captionStartId="20.[136,243,1866,1887]" captionTargetBox="[215,1374,188,1825]" captionTargetId="figure-15@20.[201,1387,173,1842]" captionTargetPageId="20" captionText="FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm." figureDoi="http://doi.org/10.5281/zenodo.13724066" httpUri="https://zenodo.org/record/13724066/files/figure.png" pageId="19" pageNumber="20">Fig. 71</figureCitation>
).
</paragraph>
<paragraph id="9A4FB615F40FFF8422E9FABDFBD92279" blockId="19.[136,1452,880,1373]" box="[189,1111,1348,1373]" pageId="19" pageNumber="20">
<emphasis id="A8846A07F40FFF8422E9FABDFE0F2279" bold="true" box="[189,385,1348,1373]" pageId="19" pageNumber="20">Observations:—</emphasis>
The description above is based on material from Tampa,
<collectingRegion id="583478F7F40FFF8421AAFABDFBDD2279" box="[1022,1107,1348,1373]" country="United States of America" name="Florida" pageId="19" pageNumber="20">Florida</collectingRegion>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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