treatments-xml/data/03/82/61/03826143FF938170FF34FAD71503FFA2.xml

<document id="3CA28B1630307BEEDCF941CE9850184F" 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="03826143FF938170FF34FAD71503FFA2" 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="Nitzschia janischii Grunow 1880" docType="treatment" docVersion="5" lastPageNumber="9" 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="9" updateTime="1719541204275" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-ND-4.0">
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<mods:title id="D2A48A3771DAB717D96A33FBD590D553">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="7A585E9B92817CC0263C3063DCA9B099">Lobban, Christopher S.</mods:namePart>
<mods:affiliation id="5B29609FECFA4B07A1AFDDDF1292B098">Division of Natural Sciences, University of Guam, Mangilao, GU 83823, USA e-mail: clobban @ guam. net</mods:affiliation>
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<treatment id="03826143FF938170FF34FAD71503FFA2" ID-DOI="http://doi.org/10.5281/zenodo.12576009" ID-GBIF-Taxon="233814321" ID-Zenodo-Dep="12576009" LSID="urn:lsid:plazi:treatment:03826143FF938170FF34FAD71503FFA2" httpUri="http://treatment.plazi.org/id/03826143FF938170FF34FAD71503FFA2" lastPageId="9" lastPageNumber="9" pageId="8" pageNumber="9">
<subSubSection id="C33183DEFF938171FF34FAD71163F8BB" pageId="8" pageNumber="9" type="nomenclature">
<paragraph id="8B94D055FF938171FF34FAD71113F85D" blockId="8.[232,1404,1353,1920]" box="[232,1395,1353,1378]" pageId="8" pageNumber="9">
<heading id="D0DC6739FF938171FF34FAD71113F85D" box="[232,1395,1353,1378]" centered="true" fontSize="11" level="2" pageId="8" pageNumber="9" reason="2">
<taxonomicName id="4C2BABD6FF938171FF34FAD71649F85D" authority="Grunow" authorityName="Grunow" authorityYear="1880" box="[232,553,1353,1378]" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="janischii">
<emphasis id="B95F0C47FF938171FF34FAD715A1F85D" box="[232,449,1353,1378]" italics="true" pageId="8" pageNumber="9">Nitzschia janischii</emphasis>
Grunow
</taxonomicName>
<figureCitation id="1310CCD0FF938171FB2DFAD71113F85D" box="[1265,1395,1353,1378]" captionStart-0="Figures 72–86" captionStart-1="Figures 87–97" captionStartId-0="35.[292,372,791,814]" captionStartId-1="37.[292,372,821,844]" captionTargetId-0="figure-14@36.[232,1402,328,1732]" captionTargetId-1="figure-14@38.[232,1402,352,1628]" captionTargetPageId-0="36" captionTargetPageId-1="38" captionText-0="Figures 72–86. Fig. 72. Mastogloia pumila. Frustule showing two internal valve faces and valvocopulae; notice the variation in number of partecta (GU52P-1) (SEM). Figs 73–79. Mastogloia quinquecostata. Fig. 73. Live cell showing plastids (GU66A-5) (DIC). Figs 74–76. Frustule at three focal planes showing conopeum, areola pattern of valve face, and partecta (GU52Q-10a) (DIC). Figs 77, 78. Specimen at two focal planes showing the join in the conopeum (arrow) (GU44I-1) (DIC). Fig. 79. Oblique external view of valve showing seam along the conopeum (arrow) (GU66F-8) (SEM). Figs 80–82. Mastogloia seychellensis (GU52Q-10a). Figs 80, 81. Specimen at two focal planes, the valvocopula showing diagonal partectal ducts (DIC). Fig. 82. External view of valve (SEM). Figs 83–86. Nitzschia janischii. Fig. 83. Live cell in girdle view, showing nucleus (arrow) and plastids with pyrenoids (GU44AR-2) (DIC). Fig. 84. Portion of valve (GU44Z-15) (DIC). Figs 85, 86. Internal details of apex and central area, respectively, the latter showing the central nodule (arrow) (GU44AR-2) (SEM). Scale bars: Figs 73–78, 80–84 = 10 µm, Figs 72, 79, 85, 86 = 5 µm." captionText-1="Figures 87–97. Figs 87, 88. Nitzschia janischii whole mount, details of central nodule and apex (GU44Z-15) (SEM). Figs 89–94. Nitzschia nienhuisii. Figs 89, 90. Girdle and valve views of the same cell in a wet mount (DIC). Figs 91, 92. Girdle and valve views of frustules in permanent mounts (GU44R-1, GU52P-1) (phase contrast). Figs 93, 94. Whole mount in SEM, and detail of central raphe endings (GU7R). Figs 95–97. Petroneis humerosa (GU44I-3). Fig. 95. Valve (DIC). Fig. 96. External view of valve (SEM). Fig. 97. Internal detail (SEM). Scale bars: Figs 87–93, 95, 96 = 10 µm, Fig. 94 = 2 µm, Fig. 97 = 5 µm." figureDoi-0="http://doi.org/10.5281/zenodo.12575967" figureDoi-1="http://doi.org/10.5281/zenodo.12575969" httpUri-0="https://zenodo.org/record/12575967/files/figure.png" httpUri-1="https://zenodo.org/record/12575969/files/figure.png" pageId="8" pageNumber="9">Figs 83–88</figureCitation>
</heading>
</paragraph>
<paragraph id="8B94D055FF938171FF34FAF51163F8BB" blockId="8.[232,1404,1353,1920]" box="[232,1283,1387,1412]" pageId="8" pageNumber="9">
Ref. illus.: 
<bibRefCitation id="EFBAADA4FF938171FEB6FAF5166FF8BB" author="Grunow, A." box="[362,527,1387,1412]" pageId="8" pageNumber="9" pagination="394 - 397" refId="ref14711" refString="Grunow, A. 1880. On some new species of Nitzschia (with notes by Kitton). Journal of the Royal Microscopical Society, series 3, 3: 394 - 397, pl. 12 - 13." type="journal article" year="1880">Grunow 1880</bibRefCitation>
, pl. 13, fig. 14; 
<bibRefCitation id="EFBAADA4FF938171FD14FAF5106DF8BB" author="Peragallo H. &amp; M. Peragallo" box="[712,1037,1387,1412]" pageId="8" pageNumber="9" refId="ref16941" refString="Peragallo H. &amp; M. Peragallo. 1897 - 1908. Diatomees Marines de France et des Districts Maritimes Voisins. M. J. Tempere, Grez-sur-Loing, France, pp. 491 + 137 pl." type="journal volume" year="1897">Peragallo &amp; Peragallo 1897</bibRefCitation>
–1908, pl. 76, fig. 14
</paragraph>
</subSubSection>
<subSubSection id="C33183DEFF938170FF34FA131503FFA2" lastPageId="9" lastPageNumber="10" pageId="8" pageNumber="9" type="description">
<paragraph id="8B94D055FF938171FF34FA131775F899" blockId="8.[232,1404,1353,1920]" box="[232,789,1421,1446]" pageId="8" pageNumber="9">
Samples: 
<emphasis id="B95F0C47FF938171FE87FA131775F899" bold="true" box="[347,789,1421,1446]" pageId="8" pageNumber="9">GU44Z-15, GU44AK-2, GU44AR-2</emphasis>
</paragraph>
<paragraph id="8B94D055FF938171FF34FA2F1158FB10" blockId="8.[232,1404,1353,1920]" pageId="8" pageNumber="9">
Dimensions: Length 225–275 µm, width 7–9 µm; striae 
<quantity id="4CD37DB0FF938171FCA2FA2F17D8F8F5" box="[894,952,1457,1482]" metricMagnitude="-1" metricUnit="m" metricValue="5.842" pageId="8" pageNumber="9" unit="in" value="23.0">23 in</quantity>
10 µm; fibulae 
<quantity id="4CD37DB0FF938171FBA9FA2F10C1F8F5" box="[1141,1185,1457,1482]" metricMagnitude="-1" metricUnit="m" metricValue="1.016" pageId="8" pageNumber="9" unit="in" value="4.0">4 in</quantity>
10 µm Diagnostics: Extremely long valves with irregularly spaced fibulae extending completely across the valve face. Central nodule present (
<figureCitation id="1310CCD0FF938171FD44FA6A1693FB32" box="[664,755,1524,1549]" captionStart="Figures 72–86" captionStartId="35.[292,372,791,814]" captionTargetId="figure-14@36.[232,1402,328,1732]" captionTargetPageId="36" captionText="Figures 72–86. Fig. 72. Mastogloia pumila. Frustule showing two internal valve faces and valvocopulae; notice the variation in number of partecta (GU52P-1) (SEM). Figs 73–79. Mastogloia quinquecostata. Fig. 73. Live cell showing plastids (GU66A-5) (DIC). Figs 74–76. Frustule at three focal planes showing conopeum, areola pattern of valve face, and partecta (GU52Q-10a) (DIC). Figs 77, 78. Specimen at two focal planes showing the join in the conopeum (arrow) (GU44I-1) (DIC). Fig. 79. Oblique external view of valve showing seam along the conopeum (arrow) (GU66F-8) (SEM). Figs 80–82. Mastogloia seychellensis (GU52Q-10a). Figs 80, 81. Specimen at two focal planes, the valvocopula showing diagonal partectal ducts (DIC). Fig. 82. External view of valve (SEM). Figs 83–86. Nitzschia janischii. Fig. 83. Live cell in girdle view, showing nucleus (arrow) and plastids with pyrenoids (GU44AR-2) (DIC). Fig. 84. Portion of valve (GU44Z-15) (DIC). Figs 85, 86. Internal details of apex and central area, respectively, the latter showing the central nodule (arrow) (GU44AR-2) (SEM). Scale bars: Figs 73–78, 80–84 = 10 µm, Figs 72, 79, 85, 86 = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.12575967" httpUri="https://zenodo.org/record/12575967/files/figure.png" pageId="8" pageNumber="9">Fig. 86</figureCitation>
). Areolae arranged in quincunx pattern of transapical and diagonal striae. Fourteen large, platelike plastids observed, with large pyrenoids (
<figureCitation id="1310CCD0FF938171FB08F988114BFB10" box="[1236,1323,1558,1583]" captionStart="Figures 72–86" captionStartId="35.[292,372,791,814]" captionTargetId="figure-14@36.[232,1402,328,1732]" captionTargetPageId="36" captionText="Figures 72–86. Fig. 72. Mastogloia pumila. Frustule showing two internal valve faces and valvocopulae; notice the variation in number of partecta (GU52P-1) (SEM). Figs 73–79. Mastogloia quinquecostata. Fig. 73. Live cell showing plastids (GU66A-5) (DIC). Figs 74–76. Frustule at three focal planes showing conopeum, areola pattern of valve face, and partecta (GU52Q-10a) (DIC). Figs 77, 78. Specimen at two focal planes showing the join in the conopeum (arrow) (GU44I-1) (DIC). Fig. 79. Oblique external view of valve showing seam along the conopeum (arrow) (GU66F-8) (SEM). Figs 80–82. Mastogloia seychellensis (GU52Q-10a). Figs 80, 81. Specimen at two focal planes, the valvocopula showing diagonal partectal ducts (DIC). Fig. 82. External view of valve (SEM). Figs 83–86. Nitzschia janischii. Fig. 83. Live cell in girdle view, showing nucleus (arrow) and plastids with pyrenoids (GU44AR-2) (DIC). Fig. 84. Portion of valve (GU44Z-15) (DIC). Figs 85, 86. Internal details of apex and central area, respectively, the latter showing the central nodule (arrow) (GU44AR-2) (SEM). Scale bars: Figs 73–78, 80–84 = 10 µm, Figs 72, 79, 85, 86 = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.12575967" httpUri="https://zenodo.org/record/12575967/files/figure.png" pageId="8" pageNumber="9">Fig. 83</figureCitation>
).
</paragraph>
<paragraph id="8B94D055FF938170FF34F9A61503FFA2" blockId="8.[232,1404,1353,1920]" lastBlockId="9.[232,1404,240,669]" lastPageId="9" lastPageNumber="10" pageId="8" pageNumber="9">
Comments: 
<taxonomicName id="4C2BABD6FF938171FEA5F9A61662FB6E" authorityName="Grunow" authorityYear="1880" box="[377,514,1592,1617]" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="janischii">
<emphasis id="B95F0C47FF938171FEA5F9A61662FB6E" box="[377,514,1592,1617]" italics="true" pageId="8" pageNumber="9">N. janischii</emphasis>
</taxonomicName>
is most similar to 
<taxonomicName id="4C2BABD6FF938171FD34F9A61137FB6E" authority="(Ehrenberg) Siver &amp; Hamilton" authorityName="Siver &amp; Hamilton" baseAuthorityName="Ehrenberg" box="[744,1367,1592,1617]" class="Bacillariophyceae" family="Bacillariaceae" genus="Tryblionella" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Bacillariales" pageId="8" pageNumber="9" phylum="Ochrophyta" rank="species" species="scalaris">
<emphasis id="B95F0C47FF938171FD34F9A617BFFB6E" box="[744,991,1592,1617]" italics="true" pageId="8" pageNumber="9">Tryblionella scalaris</emphasis>
(Ehrenberg) Siver &amp; Hamilton
</taxonomicName>
[= 
<taxonomicName id="4C2BABD6FF938171FF34F9C716FCFB4D" authority="(Ehrenberg) W. Smith" authorityName="W. Smith" baseAuthorityName="Ehrenberg" box="[232,668,1625,1650]" class="Bacillariophyceae" family="Bacillariaceae" genus="Tryblionella" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Bacillariales" pageId="8" pageNumber="9" phylum="Ochrophyta" rank="species" species="scalaris">
<emphasis id="B95F0C47FF938171FF34F9C71510FB4D" box="[232,368,1625,1650]" italics="true" pageId="8" pageNumber="9">N. scalaris</emphasis>
(Ehrenberg) W. Smith
</taxonomicName>
] (Ruck &amp; Kociloek 2004, pl. 62–65), but that primarily freshwater/brackish species has ribs that extend only halfway across the valve face, besides the characters that make it 
<taxonomicName id="4C2BABD6FF938171FE23F90316F0FB89" authorityName="W.Smith" authorityYear="1853" box="[511,656,1693,1718]" class="Bacillariophyceae" family="Bacillariaceae" genus="Tryblionella" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Bacillariales" pageId="8" pageNumber="9" phylum="Ochrophyta" rank="genus">
<emphasis id="B95F0C47FF938171FE23F90316F0FB89" box="[511,656,1693,1718]" italics="true" pageId="8" pageNumber="9">Tryblionella</emphasis>
</taxonomicName>
. 
<taxonomicName id="4C2BABD6FF938171FD7CF9031749FB89" authorityName="Grunow" authorityYear="1880" box="[672,809,1693,1718]" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="8" pageNumber="9" phylum="Arthropoda" rank="species" species="janischii">
<emphasis id="B95F0C47FF938171FD7CF9031749FB89" box="[672,809,1693,1718]" italics="true" pageId="8" pageNumber="9">N. janischii</emphasis>
</taxonomicName>
was not recorded from 
<collectingCountry id="F33C90C5FF938171FB95F903108BFB89" box="[1097,1259,1693,1718]" name="Bahamas" pageId="8" pageNumber="9">The Bahamas</collectingCountry>
(
<bibRefCitation id="EFBAADA4FF938171FB20F9031547FBE8" author="Hein, M. K. &amp; B. M. Winsborough &amp; M. J. Sullivan" pageId="8" pageNumber="9" refId="ref15068" refString="Hein, M. K., B. M. Winsborough &amp; M. J. Sullivan. 2008. Bacillariophyta (diatoms) of the Bahamas. Iconographia Diatomologica 19. Gantner Verlag, Ruggell, Germany." type="journal volume" year="2008">Hein et al. 2008</bibRefCitation>
), 
<collectingCountry id="F33C90C5FF938171FE9DF92015B3FBE8" box="[321,467,1726,1751]" name="Puerto Rico" pageId="8" pageNumber="9">Puerto Rico</collectingCountry>
(
<bibRefCitation id="EFBAADA4FF938171FE34F92016D3FBE8" author="Hagelstein, R." box="[488,691,1726,1751]" pageId="8" pageNumber="9" pagination="313 - 450" refId="ref14850" refString="Hagelstein, R. 1939. Botany of Porto Rico and the Virgin Islands. Diatomaceae. New York Academy of Sciences, Scientific Survey of Porto Rico and the Virgin Islands, 8: 313 - 450." type="journal article" year="1939">Hagelstein 1939</bibRefCitation>
, 
<bibRefCitation id="EFBAADA4FF938171FD19F92017E0FBE8" author="Navarro, J. N." box="[709,896,1726,1751]" pageId="8" pageNumber="9" pagination="393 - 408" refId="ref16626" refString="Navarro, J. N. 1983 b. A survey of the marine diatoms of Puerto Rico. VII. Suborder Raphidineae: Families Auriculaceae, Epithemiaceae, Nitzschiaceae and Surirellaceae. Botanica Marina 26: 393 - 408." type="journal article" year="1983">Navarro 1983b</bibRefCitation>
), 
<collectingCountry id="F33C90C5FF938171FC47F92017BEFBE8" box="[923,990,1726,1751]" name="India" pageId="8" pageNumber="9">Mahé</collectingCountry>
(
<bibRefCitation id="EFBAADA4FF938171FC2FF92010EEFBE8" author="Giffen, M. H." box="[1011,1166,1726,1751]" pageId="8" pageNumber="9" pagination="129 - 159" refId="ref14641" refString="Giffen, M. H. 1980. A checklist of marine littoral diatoms from Mahe, Seychelles Islands. Bacillaria 3: 129 - 159." type="journal article" year="1980">Giffen 1980</bibRefCitation>
), or Tahiti (
<bibRefCitation id="EFBAADA4FF938171FAF7F9201546FBC6" author="Ricard, M." pageId="8" pageNumber="9" pagination="137 - 336" refId="ref17296" refString="Ricard, M. 1977. Les peuplements de diatomees des lagons de l'Archipel de la Societe (Polynesie Francaise). Revue Algologique, nouvelle serie 12: 137 - 336." type="journal article" year="1977">Ricard 1977</bibRefCitation>
), and we are aware of no record other than Grunow’s. No ultrastructure images are cited in 
<bibRefCitation id="EFBAADA4FF938171FF34F89C15ACFA24" author="Gaul, U. &amp; U. Geissler &amp; M. Henderson &amp; R. Mahoney &amp; C. W. Reimer" box="[232,460,1794,1819]" pageId="8" pageNumber="9" pagination="69 - 238" refId="ref14469" refString="Gaul, U., U. Geissler, M. Henderson, R. Mahoney &amp; C. W. Reimer. 1993. Bibliography on the fine structure of diatom frustules (Bacillariphyceae). Proceedings of the Academy of Natural Sciences Philadelphia 144: 69 - 238." type="journal article" year="1993">
<collectingCountry id="F33C90C5FF938171FF34F89C1541FA24" box="[232,289,1794,1819]" name="France" pageId="8" pageNumber="9">Gaul</collectingCountry>
et al. (1993)
</bibRefCitation>
or 
<bibRefCitation id="EFBAADA4FF938171FDDCF89C1709FA24" author="Henderson, M. V. &amp; C. W. Reimer" box="[512,873,1794,1819]" pageId="8" pageNumber="9" refId="ref15108" refString="Henderson, M. V. &amp; C. W. Reimer. 2003. Bibliography on the Fine Structure of Diatom Frustules (Bacillariophyceae). II. Gantner Verlag, Ruggell, Germany. 372 pp." type="book" year="2003">Henderson &amp; Reimer (2003)</bibRefCitation>
. 
<bibRefCitation id="EFBAADA4FF938171FCA7F89C1057FA24" author="Grunow, A." box="[891,1079,1794,1819]" pageId="8" pageNumber="9" pagination="394 - 397" refId="ref14711" refString="Grunow, A. 1880. On some new species of Nitzschia (with notes by Kitton). Journal of the Royal Microscopical Society, series 3, 3: 394 - 397, pl. 12 - 13." type="journal article" year="1880">Grunow (1880)</bibRefCitation>
illustrated only half of a specimen from the Hawaiian Islands, where it was “rare,” but 
<bibRefCitation id="EFBAADA4FF938171FC08F8BA1148FA02" author="Peragallo H. &amp; M. Peragallo" box="[980,1320,1828,1853]" pageId="8" pageNumber="9" refId="ref16941" refString="Peragallo H. &amp; M. Peragallo. 1897 - 1908. Diatomees Marines de France et des Districts Maritimes Voisins. M. J. Tempere, Grez-sur-Loing, France, pp. 491 + 137 pl." type="journal volume" year="1897">Peragallo &amp; Peragallo (1897</bibRefCitation>
–1908) drew a whole valve; it is not clear whether they saw Grunow’s specimen, as they mention it only as a “curious exotic form,” perhaps not in the French flora. Grunow placed his species in Section 
<taxonomicName id="4C2BABD6FF928170FF34FF6E15F4FC36" box="[232,404,240,265]" pageId="9" pageNumber="10" rank="section" section="Epithemioides">Epithemioides</taxonomicName>
, rather than Subgenus 
<taxonomicName id="4C2BABD6FF928170FD6FFF6E1746FC36" authorityName="F.T.Kützing" authorityYear="1844" box="[691,806,240,265]" class="Bacillariophyceae" family="Bacillariaceae" genus="Denticula" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Bacillariales" pageId="9" pageNumber="10" phylum="Ochrophyta" rank="genus">
<emphasis id="B95F0C47FF928170FD6FFF6E1746FC36" box="[691,806,240,265]" italics="true" pageId="9" pageNumber="10">Denticula</emphasis>
</taxonomicName>
, but the differences are ill-defined. 
<taxonomicName id="4C2BABD6FF928170FB34FF6E113BFC36" authorityName="F.T.Kützing" authorityYear="1844" box="[1256,1371,240,265]" class="Bacillariophyceae" family="Bacillariaceae" genus="Denticula" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Bacillariales" pageId="9" pageNumber="10" phylum="Ochrophyta" rank="genus">
<emphasis id="B95F0C47FF928170FB34FF6E113BFC36" box="[1256,1371,240,265]" italics="true" pageId="9" pageNumber="10">Denticula</emphasis>
</taxonomicName>
is now regarded as a separate genus, and 
<bibRefCitation id="EFBAADA4FF928170FD18FE8C17C9FC14" author="Round, F. E. &amp; R. M. Crawford &amp; D. G. Mann" box="[708,937,274,299]" pageId="9" pageNumber="10" refId="ref17569" refString="Round, F. E., R. M. Crawford &amp; 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>
, p. 622) commented that 
<taxonomicName id="4C2BABD6FF928170FB3EFE8C1135FC14" authorityName="F.T.Kützing" authorityYear="1844" box="[1250,1365,274,299]" class="Bacillariophyceae" family="Bacillariaceae" genus="Denticula" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Bacillariales" pageId="9" pageNumber="10" phylum="Ochrophyta" rank="genus">
<emphasis id="B95F0C47FF928170FB3EFE8C1135FC14" box="[1250,1365,274,299]" italics="true" pageId="9" pageNumber="10">Denticula</emphasis>
</taxonomicName>
is, “Closely related to 
<taxonomicName id="4C2BABD6FF928170FE0FFEAD1760FC73" box="[467,768,307,332]" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="9" pageNumber="10" phylum="Arthropoda" rank="section" section="Grunowia">
<emphasis id="B95F0C47FF928170FE0FFEAD1620FC73" box="[467,576,307,332]" italics="true" pageId="9" pageNumber="10">Nitzschia</emphasis>
sect. 
<emphasis id="B95F0C47FF928170FD55FEAD1760FC73" box="[649,768,307,332]" italics="true" pageId="9" pageNumber="10">Grunowia</emphasis>
</taxonomicName>
, from which it is difficult to separate, except on the extent of the fibulae.” In 
<taxonomicName id="4C2BABD6FF928170FDC8FECB16E7FC51" authorityName="F.T.Kützing" authorityYear="1844" box="[532,647,341,366]" class="Bacillariophyceae" family="Bacillariaceae" genus="Denticula" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Bacillariales" pageId="9" pageNumber="10" phylum="Ochrophyta" rank="genus">
<emphasis id="B95F0C47FF928170FDC8FECB16E7FC51" box="[532,647,341,366]" italics="true" pageId="9" pageNumber="10">Denticula</emphasis>
</taxonomicName>
all the fibulae “extend across the valve face, forming partitions running from margin to margin. The fibulae widen at their bases (near the raphe) so that only small apertures (‘portulae’) are left connecting cell interior with subraphe canal.” This is also true of 
<taxonomicName id="4C2BABD6FF928170FABCFE07152DFCEC" authorityName="Grunow" authorityYear="1880" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="janischii">
<emphasis id="B95F0C47FF928170FABCFE07152DFCEC" italics="true" pageId="9" pageNumber="10">N. janischii</emphasis>
</taxonomicName>
, yet fibulae reaching the valve margin is not a synapomorphy for 
<taxonomicName id="4C2BABD6FF928170FB86FE2410ADFCEC" authorityName="F.T.Kützing" authorityYear="1844" box="[1114,1229,442,467]" class="Bacillariophyceae" family="Bacillariaceae" genus="Denticula" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Bacillariales" pageId="9" pageNumber="10" phylum="Ochrophyta" rank="genus">
<emphasis id="B95F0C47FF928170FB86FE2410ADFCEC" box="[1114,1229,442,467]" italics="true" pageId="9" pageNumber="10">Denticula</emphasis>
</taxonomicName>
because a few other 
<taxonomicName id="4C2BABD6FF928170FEF2FE421599FCCA" box="[302,505,476,501]" pageId="9" pageNumber="10">
<emphasis id="B95F0C47FF928170FEF2FE4215FBFCCA" box="[302,411,476,501]" italics="true" pageId="9" pageNumber="10">Nitzschia</emphasis>
species
</taxonomicName>
also have this character, e.g., 
<taxonomicName id="4C2BABD6FF928170FCBBFE4210C2FCCA" authority="Hustedt" authorityName="Hustedt" authorityYear="1955" box="[871,1186,476,501]" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="rhopalodioides">
<emphasis id="B95F0C47FF928170FCBBFE42105CFCCA" box="[871,1084,476,501]" italics="true" pageId="9" pageNumber="10">N. rhopalodioides</emphasis>
Hustedt
</taxonomicName>
(
<bibRefCitation id="EFBAADA4FF928170FB6FFE421137FCCA" author="Hustedt, F." box="[1203,1367,476,501]" pageId="9" pageNumber="10" refId="ref15381" refString="Hustedt, F. 1955. Marine Littoral Diatoms of Beaufort, North Carolina. Duke University Press. Durham, North Carolina. 67 pp." type="book" year="1955">Hustedt 1955</bibRefCitation>
, p. 45, pl.15, fig. 16), and even 
<taxonomicName id="4C2BABD6FF928170FD9FFE601756FF28" authority="Kitton" authorityName="Kitton" authorityYear="1873" box="[579,822,510,535]" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="ventricosa">
<emphasis id="B95F0C47FF928170FD9FFE601681FF28" box="[579,737,510,535]" italics="true" pageId="9" pageNumber="10">N. ventricosa</emphasis>
Kitton
</taxonomicName>
(
<bibRefCitation id="EFBAADA4FF928170FC94FE601050FF28" author="Lobban, C. S. &amp; M. Schefter &amp; R. W. Jordan &amp; Y. Arai &amp; A. Sasaki &amp; E. C. Theriot &amp; M. Ashworth &amp; E. C. Ruck &amp; C. Pennesi" box="[840,1072,510,535]" pageId="9" pageNumber="10" refId="ref16066" refString="Lobban, C. S., M. Schefter, R. W. Jordan, Y. Arai, A. Sasaki, E. C. Theriot, M. Ashworth, E. C. Ruck &amp; C. Pennesi. 2012. Coral-reef diatoms (Bacillariophyta) from Guam: new records and preliminary checklist, with emphasis on epiphytic species from farmer-fish territories. Micronesica 43: 237 - 479. [Errata on page 480 of the print edition and posted online at http: // micronesica. org / sites / default / files / 12 _ lobban _ et _ al _ 2012 _ errata. pdf]" type="url" year="2012">Lobban et al. 2012</bibRefCitation>
, pl. 61, figs 1, 2), although there, as in 
<taxonomicName id="4C2BABD6FF928170FEA9FD811699FF07" authority="Grunow" authorityName="Grunow" authorityYear="1880" box="[373,761,543,568]" class="Bacillariophyceae" family="Bacillariaceae" genus="Gomphonitzschia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Bacillariales" pageId="9" pageNumber="10" phylum="Ochrophyta" rank="species" species="clevei">
<emphasis id="B95F0C47FF928170FEA9FD8116EFFF07" box="[373,655,543,568]" italics="true" pageId="9" pageNumber="10">Gomphonitzschia clevei</emphasis>
Grunow
</taxonomicName>
(
<bibRefCitation id="EFBAADA4FF928170FCD6FD8117D2FF07" author="Grunow, A." box="[778,946,543,568]" pageId="9" pageNumber="10" pagination="394 - 397" refId="ref14711" refString="Grunow, A. 1880. On some new species of Nitzschia (with notes by Kitton). Journal of the Royal Microscopical Society, series 3, 3: 394 - 397, pl. 12 - 13." type="journal article" year="1880">Grunow 1880</bibRefCitation>
, pl. 14, fig. 11, 
<bibRefCitation id="EFBAADA4FF928170FBA8FD811542FF65" author="Peragallo H. &amp; M. Peragallo" pageId="9" pageNumber="10" refId="ref16941" refString="Peragallo H. &amp; M. Peragallo. 1897 - 1908. Diatomees Marines de France et des Districts Maritimes Voisins. M. J. Tempere, Grez-sur-Loing, France, pp. 491 + 137 pl." type="journal volume" year="1897">Peragallo &amp; Peragallo 1897</bibRefCitation>
–1908, pl. 76, fig. 15), some extend only part way and some costae extend part way back from the margin. At present there does not seem to be justification for reclassifying 
<taxonomicName id="4C2BABD6FF928170FB16FDFD1137FF43" authorityName="Grunow" authorityYear="1880" box="[1226,1367,611,636]" class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="janischii">
<emphasis id="B95F0C47FF928170FB16FDFD1137FF43" box="[1226,1367,611,636]" italics="true" pageId="9" pageNumber="10">N. janischii</emphasis>
</taxonomicName>
in 
<taxonomicName id="4C2BABD6FF928170FF34FD1A153BFFA2" authorityName="F.T.Kützing" authorityYear="1844" box="[232,347,644,669]" class="Bacillariophyceae" family="Bacillariaceae" genus="Denticula" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Bacillariales" pageId="9" pageNumber="10" phylum="Ochrophyta" rank="genus">
<emphasis id="B95F0C47FF928170FF34FD1A153BFFA2" box="[232,347,644,669]" italics="true" pageId="9" pageNumber="10">Denticula</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>