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<document id="919BB3E45202AC63AACBCA6C8BC36936" ID-DOI="10.11646/phytotaxa.207.2.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="13637746" 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.treatments_approvedBy="felipe" checkinTime="1725338315818" checkinUser="felipe" docAuthor="Sterrenburg, Frithjof A. S., Tiffany, Mary Ann, Hinz, Friedel, Herwig, Wulf E. &amp; Hargraves, Paul E." docDate="2015" docId="6E1687D392750934FF40A31538F9F818" docLanguage="en" docName="phytotaxa.207.2.1.pdf" docOrigin="Phytotaxa 207 (2)" docSource="http://dx.doi.org/10.11646/phytotaxa.207.2.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Haslea avium Tiffany, Herwig &amp; Sterrenburg 2015, sp. nov." docType="treatment" docVersion="2" lastPageNumber="155" masterDocId="922FFFAB92790938FFC8A032394BFF85" masterDocTitle="Seven new species expand the morphological spectrum of Haslea. A comparison with Gyrosigma and Pleurosigma (Bacillariophyta)" masterLastPageNumber="162" masterPageNumber="143" pageNumber="155" updateTime="1725343841199" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="C4539DD60B7E58094E205DAF98828614">Seven new species expand the morphological spectrum of Haslea. A comparison with Gyrosigma and Pleurosigma (Bacillariophyta)</mods:title>
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<mods:namePart id="F966FD4FCB729A62D8149B914C0FD421">Sterrenburg, Frithjof A. S.</mods:namePart>
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<mods:namePart id="F178B116701D9A5712BFD61417687006">Tiffany, Mary Ann</mods:namePart>
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<mods:namePart id="700ACE7D34DCB29DB0181D36CD16CDCF">Hinz, Friedel</mods:namePart>
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<mods:namePart id="9E7F953661FFFA1D9B1B56703C1D1DF7">Herwig, Wulf E.</mods:namePart>
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<mods:namePart id="181D58324D99496581E5992C2BF4FF6F">Hargraves, Paul E.</mods:namePart>
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<mods:title id="1F0DDB762D4F3D0C18DF503E3971FEAC">Phytotaxa</mods:title>
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<mods:date id="526F952F02B5004750D56917F71A469D">2015</mods:date>
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<mods:number id="7A60A6F93931B51B96D6A06114BD61AE">2015-05-08</mods:number>
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<treatment id="6E1687D392750934FF40A31538F9F818" ID-DOI="http://doi.org/10.5281/zenodo.13637774" ID-Zenodo-Dep="13637774" LSID="urn:lsid:plazi:treatment:6E1687D392750934FF40A31538F9F818" httpUri="http://treatment.plazi.org/id/6E1687D392750934FF40A31538F9F818" lastPageNumber="155" pageId="12" pageNumber="155">
<subSubSection id="AEA5654E92750934FF40A3153D0AFCC4" box="[136,1089,806,833]" pageId="12" pageNumber="155" type="nomenclature">
<paragraph id="E60036C592750934FF40A3153D0AFCC4" blockId="12.[136,1089,806,833]" box="[136,1089,806,833]" pageId="12" pageNumber="155">
<heading id="BD4881A992750934FF40A3153D0AFCC4" box="[136,1089,806,833]" fontSize="11" level="2" pageId="12" pageNumber="155" reason="3">
<emphasis id="D4CBEAD792750934FF40A3153B9FFCC4" bold="true" box="[136,724,806,833]" pageId="12" pageNumber="155">
<taxonomicName id="21BF4D4692750934FF40A3153B39FCC4" authority="Tiffany, Herwig &amp; Sterrenburg" authorityName="Tiffany, Herwig &amp; Sterrenburg" authorityYear="2015" box="[136,626,806,833]" class="Bacillariophyceae" family="Naviculaceae" genus="Haslea" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="155" phylum="Ochrophyta" rank="species" species="avium" status="sp. nov.">
<emphasis id="D4CBEAD792750934FF40A31539BFFCC5" bold="true" box="[136,244,806,833]" italics="true" pageId="12" pageNumber="155">H. avium</emphasis>
Tiffany, Herwig &amp; Sterrenburg
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,
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<taxonomicNameLabel id="CFF857AC92750934FDB6A3153B9FFCC4" box="[638,724,807,833]" pageId="12" pageNumber="155" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</emphasis>
(
<figureCitation id="7E842A4092750934FD2BA31A3A2DFCC4" box="[739,870,808,833]" captionStart="FIGURES 10–20" captionStartId="4.[136,243,1748,1769]" captionTargetBox="[168,1425,201,1708]" captionTargetId="figure-17@4.[151,1436,190,1723]" captionTargetPageId="4" captionText="FIGURES 10–20. New Haslea species, LM images (DIC).All bars = 10 μm. All except Fig. 11 are stacks of 12–22 separate images. FIGURES 10, 11. H. staurosigmoidea sp. nov. Fig. 10. Holotype, Fig. 11. Isotype, aspect in normal DIC corresponding to what is seen on visual inspection." figureDoi="http://doi.org/10.5281/zenodo.13637750" httpUri="https://zenodo.org/record/13637750/files/figure.png" pageId="12" pageNumber="155">Figs 19, 20</figureCitation>
: LM. 58–64: SEM)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="AEA5654E92750934FF40A3403D43FAD8" pageId="12" pageNumber="155" type="materials_examined">
<paragraph id="E60036C592750934FF40A3403C00FC2E" blockId="12.[136,1451,882,939]" pageId="12" pageNumber="155">
<emphasis id="D4CBEAD792750934FF40A3403991FC02" bold="true" box="[136,218,882,903]" pageId="12" pageNumber="155">Type:—</emphasis>
&quot;
<materialsCitation id="56D73C9892750934FF29A3403BD8FC2E" collectionCode="BRM" country="United States of America" latitude="32.8" location="California" longLatPrecision="4760" longitude="4.4" pageId="12" pageNumber="155" specimenCode="ZU9" specimenCount="2" stateProvince="California" typeStatus="holotype">
Birdrock, La Jolla,
<collectingRegion id="247BF82792750934FE68A3403B4FFC02" box="[416,516,882,903]" country="United States of America" name="California" pageId="12" pageNumber="155">California</collectingRegion>
,
<collectingCountry id="9EA8765592750934FDC6A3403B0BFC02" box="[526,576,882,903]" name="United States of America" pageId="12" pageNumber="155">USA</collectingCountry>
, January, 17, 2003, from Codium&quot;, geographic coordinates
<geoCoordinate id="838B500292750934FB48A3403D9DFC02" box="[1152,1238,882,903]" degrees="32" direction="north" minutes="48" orientation="latitude" pageId="12" pageNumber="155" precision="925" value="32.8">32°48’N</geoCoordinate>
,
<geoCoordinate id="838B500292750934FB28A3403C02FC02" box="[1248,1353,882,903]" degrees="117" direction="west" minutes="16" orientation="longitude" pageId="12" pageNumber="155" precision="925" value="-117.26667">117°16’ W</geoCoordinate>
.
<typeStatus id="3904886792750934FA9AA3403CE0FC02" box="[1362,1451,882,903]" pageId="12" pageNumber="155" type="holotype">Holotype</typeStatus>
<collectionCode id="80AEAE0092750934FF75A3A439B9FC2E" box="[189,242,918,939]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14903" lsid="urn:lsid:biocol.org:col:14903" name="Alfred-Wegener-Institut für Polar- und Meeresforschung" pageId="12" pageNumber="155" type="Herbarium">BRM</collectionCode>
<specimenCode id="B6199EBE92750934FF31A3A4386EFC2E" box="[249,293,918,939]" collectionCode="BRM" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14903" lsid="urn:lsid:biocol.org:col:14903" name="Alfred-Wegener-Institut für Polar- und Meeresforschung" pageId="12" pageNumber="155" type="Herbarium">ZU9</specimenCode>
/90, slide coordinates
<typeStatus id="3904886792750934FE35A3A43B1EFC2E" box="[509,597,918,939]" pageId="12" pageNumber="155" type="holotype">holotype</typeStatus>
:
<geoCoordinate id="838B500292750934FD96A3A43BD8FC2E" box="[606,659,918,939]" degrees="4, 4" direction="east" orientation="longitude" pageId="12" pageNumber="155" precision="5555" value="4.4">4,4 E</geoCoordinate>
</materialsCitation>
;
<geoCoordinate id="838B500292750934FD55A3A43B9BFC2E" box="[669,720,918,939]" degrees="3, 4" direction="south" orientation="latitude" pageId="12" pageNumber="155" precision="5555" value="-3.4">3,4 S</geoCoordinate>
,
<typeStatus id="3904886792750934FD13A3A43A6FFC2E" box="[731,804,918,939]" pageId="12" pageNumber="155" type="isotype">isotype</typeStatus>
:
<geoCoordinate id="838B500292750934FCE5A3A43A29FC2E" box="[813,866,918,939]" degrees="4, 8" direction="east" orientation="longitude" pageId="12" pageNumber="155" precision="5555" value="4.8">4,8 E</geoCoordinate>
; 5,3.
<typeStatus id="3904886792750934FC5EA3A43AADFC2E" box="[918,998,918,939]" pageId="12" pageNumber="155" type="isotype">Isotypes</typeStatus>
also in collection
<emphasis id="D4CBEAD792750934FB5EA3A43C43FC2E" box="[1174,1288,918,939]" italics="true" pageId="12" pageNumber="155">Sterrenburg</emphasis>
# 728.
</paragraph>
<paragraph id="E60036C592750934FF40A3EE3D43FAD8" blockId="12.[136,1452,988,1949]" pageId="12" pageNumber="155">
Valve (
<figureCitation id="7E842A4092750934FF12A3EE3814FC70" box="[218,351,988,1013]" captionStart="FIGURES 10–20" captionStartId="4.[136,243,1748,1769]" captionTargetBox="[168,1425,201,1708]" captionTargetId="figure-17@4.[151,1436,190,1723]" captionTargetPageId="4" captionText="FIGURES 10–20. New Haslea species, LM images (DIC).All bars = 10 μm. All except Fig. 11 are stacks of 12–22 separate images. FIGURES 10, 11. H. staurosigmoidea sp. nov. Fig. 10. Holotype, Fig. 11. Isotype, aspect in normal DIC corresponding to what is seen on visual inspection." figureDoi="http://doi.org/10.5281/zenodo.13637750" httpUri="https://zenodo.org/record/13637750/files/figure.png" pageId="12" pageNumber="155">Figs 19, 20</figureCitation>
) robust, lanceolate, 38–45 μm long, 6–9 μm wide, with acute apices. Striae transverse slightly radiate, circa 13–15, longitudinal much finer, circa
<quantity id="21479B2092750934FD09A4323BB2FB9C" box="[705,761,1024,1049]" metricMagnitude="-1" metricUnit="m" metricValue="7.62" pageId="12" pageNumber="155" unit="in" value="30.0">30 in</quantity>
10 μm. A few central transverse striae somewhat more radiate and slightly shortened, leaving a tiny more or less oval central area, but this is variable (
<figureCitation id="7E842A4092750934FBBBA4163D80FBB8" box="[1139,1227,1060,1085]" captionStart="FIGURES 10–20" captionStartId="4.[136,243,1748,1769]" captionTargetBox="[168,1425,201,1708]" captionTargetId="figure-17@4.[151,1436,190,1723]" captionTargetPageId="4" captionText="FIGURES 10–20. New Haslea species, LM images (DIC).All bars = 10 μm. All except Fig. 11 are stacks of 12–22 separate images. FIGURES 10, 11. H. staurosigmoidea sp. nov. Fig. 10. Holotype, Fig. 11. Isotype, aspect in normal DIC corresponding to what is seen on visual inspection." figureDoi="http://doi.org/10.5281/zenodo.13637750" httpUri="https://zenodo.org/record/13637750/files/figure.png" pageId="12" pageNumber="155">Figs 19</figureCitation>
,
<figureCitation id="7E842A4092750934FB10A4163C68FBB8" box="[1240,1315,1060,1085]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">59, 64</figureCitation>
). Axial area extremely narrow, inconspicuous in LM. In
<collectionCode id="80AEAE0092750934FDBFA47A3BF8FBE4" box="[631,691,1096,1121]" pageId="12" pageNumber="155">SEM</collectionCode>
, the tegumental layer, with longitudinal fissures that are continuous over most of the valve but sometimes interrupted near the central area, may show marked surface relief (
<figureCitation id="7E842A4092750934FAEDA45E3CECFB00" box="[1317,1447,1132,1157]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Figs 60, 62</figureCitation>
, but not in
<figureCitation id="7E842A4092750934FF33A4A23806FB2C" box="[251,333,1168,1193]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Fig. 63</figureCitation>
). External raphe fissures often undulating in the middle (
<figureCitation id="7E842A4092750934FC06A4A23D6AFB2C" box="[974,1057,1168,1193]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Fig. 62</figureCitation>
, less so in
<figureCitation id="7E842A4092750934FB53A4A23DA6FB2C" box="[1179,1261,1168,1193]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Fig. 63</figureCitation>
), central endings tightly curving hooks that
<taxonomicName id="21BF4D4692750934FE74A4863B20FB48" box="[444,619,1204,1229]" form="depressed" pageId="12" pageNumber="155" rank="form">form depressed</taxonomicName>
pits with tooth-like projections (
<figureCitation id="7E842A4092750934FC21A4863D3AFB48" box="[1001,1137,1204,1229]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Figs 62, 63</figureCitation>
), external terminal endings deeply depressed and retrograde (
<figureCitation id="7E842A4092750934FE33A4EA3B05FB74" box="[507,590,1240,1265]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Fig. 60</figureCitation>
). Internally, no central bars apparent, one side of the raphe ridge thickened but no pronounced accessory silica ridge paralleling the raphe ridge present (
<figureCitation id="7E842A4092750934FC72A4CE3D76FA90" box="[954,1085,1276,1301]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Figs 59, 64</figureCitation>
). The entire internal raphe ridge, including the central raphe node, tilted sideways (
<figureCitation id="7E842A4092750934FD02A5123A69FABC" box="[714,802,1312,1337]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Fig. 64</figureCitation>
). Basal layer: foramina longitudinally elongated oblong, transverse bars of the grate considerably broader than the longitudinal (
<figureCitation id="7E842A4092750934FC6FA5763AB0FAD8" box="[935,1019,1348,1373]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Fig. 64</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="AEA5654E92750934FF75A55A3A55FA20" pageId="12" pageNumber="155" type="etymology">
<paragraph id="E60036C592750934FF75A55A3CE3FA04" blockId="12.[136,1452,988,1949]" box="[189,1448,1384,1409]" pageId="12" pageNumber="155">
<emphasis id="D4CBEAD792750934FF75A55A382FFA04" bold="true" box="[189,356,1384,1409]" pageId="12" pageNumber="155">Etymology:—</emphasis>
The specific epithet (genitive, plural of Latin “avis” = bird) refers to the birds of the
<typeStatus id="3904886792750934FADFA55A3C0CFA04" box="[1303,1351,1384,1409]" pageId="12" pageNumber="155">type</typeStatus>
locality.
</paragraph>
<paragraph id="E60036C592750934FF75A5BE3A55FA20" blockId="12.[136,1452,988,1949]" box="[189,798,1420,1445]" pageId="12" pageNumber="155">
<emphasis id="D4CBEAD792750934FF75A5BE3875FA20" bold="true" box="[189,318,1420,1445]" pageId="12" pageNumber="155">Habitat:—</emphasis>
Littoral marine, epiphytic and in sediment.
</paragraph>
</subSubSection>
<subSubSection id="AEA5654E92750934FF75A58238F9F818" pageId="12" pageNumber="155" type="distribution">
<paragraph id="E60036C592750934FF75A5823BDAFA68" blockId="12.[136,1452,988,1949]" pageId="12" pageNumber="155">
<emphasis id="D4CBEAD792750934FF75A582383EFA4C" bold="true" box="[189,373,1456,1481]" pageId="12" pageNumber="155">Distribution:—</emphasis>
Known from the
<typeStatus id="3904886792750934FDF6A5823B25FA4C" box="[574,622,1456,1481]" pageId="12" pageNumber="155">type</typeStatus>
locality only, not rare, also in several other samples from the Birdrock locality in collections
<emphasis id="D4CBEAD792750934FE48A5E63885FA68" box="[384,462,1492,1517]" italics="true" pageId="12" pageNumber="155">Tiffany</emphasis>
and
<emphasis id="D4CBEAD792750934FDCCA5E63BC2FA68" box="[516,649,1492,1517]" italics="true" pageId="12" pageNumber="155">Sterrenburg</emphasis>
.
</paragraph>
<paragraph id="E60036C592750934FF75A5CA38EDF924" blockId="12.[136,1452,988,1949]" pageId="12" pageNumber="155">
<emphasis id="D4CBEAD792750934FF75A5CA38CAF994" bold="true" box="[189,385,1528,1553]" pageId="12" pageNumber="155">Observations:—</emphasis>
This species somewhat resembles
<taxonomicName id="21BF4D4692750934FCC4A5CA3AE7F994" authorityName="Sterrenburg &amp; Tiffany &amp; Hinz &amp; Herwig &amp; Hargraves" authorityYear="2015" box="[780,940,1528,1553]" class="Bacillariophyceae" family="Naviculaceae" genus="Haslea" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="155" phylum="Ochrophyta" rank="species" species="tsukamotoi">
<emphasis id="D4CBEAD792750934FCC4A5CA3AE7F994" box="[780,940,1528,1553]" italics="true" pageId="12" pageNumber="155">H. tsukamotoi</emphasis>
</taxonomicName>
and
<taxonomicName id="21BF4D4692750934FC20A5CA3D3DF994" authorityName="Sterrenburg &amp; Tiffany &amp; Hinz &amp; Herwig &amp; Hargraves" authorityYear="2015" box="[1000,1142,1528,1553]" class="Bacillariophyceae" family="Naviculaceae" genus="Haslea" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="155" phylum="Ochrophyta" rank="species" species="meteorou">
<emphasis id="D4CBEAD792750934FC20A5CA3D3DF994" box="[1000,1142,1528,1553]" italics="true" pageId="12" pageNumber="155">H. meteorou</emphasis>
</taxonomicName>
with regard to the marked surface relief of the robust valve, the hook-shaped external central raphe endings with tooth-like projections and the sideways tilted internal central raphe node, but the external central raphe endings and tooth-like projections are very different in shape. Also, the basal layer and striation are clearly different. Saepes not satisfactorily visualized, no fragmented valves found.
</paragraph>
<paragraph id="E60036C592750934FF75A69E386AF8D0" blockId="12.[136,1452,988,1949]" pageId="12" pageNumber="155">
In LM, this species may be readily mistaken for one of the
<emphasis id="D4CBEAD792750934FC8CA69E3D0CF940" box="[836,1095,1708,1733]" italics="true" pageId="12" pageNumber="155">Naviculae sensu stricto</emphasis>
(the “
<emphasis id="D4CBEAD792750934FB42A69E3C5AF940" box="[1162,1297,1708,1733]" italics="true" pageId="12" pageNumber="155">Lineolatae”</emphasis>
) but the SEM images are decisive. In
<figureCitation id="7E842A4092750934FE47A6E23895F96C" box="[399,478,1744,1769]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Fig. 63</figureCitation>
the coarse transverse bars of the basal layer grate “shine through” the tegumental layer as ghost images, permitting a transverse stria count in the SEM material. Without this, it would not have been possible to verify that the exterior views of
<figureCitation id="7E842A4092750934FDDEA72A3BA1F8B4" box="[534,746,1816,1841]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Figs 58, 60 and 62</figureCitation>
and the interior views of
<figureCitation id="7E842A4092750934FBD8A72A3DAFF8B4" box="[1040,1252,1816,1841]" captionStart="FIGURES 58–64" captionStartId="13.[136,243,1779,1800]" captionTargetBox="[164,1420,210,1740]" captionTargetId="figure-14@13.[151,1436,190,1754]" captionTargetPageId="13" captionText="FIGURES 58–64. H. avium sp. nov. SEM, isotypes. Fig. 58. General aspect, exterior, bar = 10 μm. Fig. 59. General aspect, interior, bar = 10 μm. Fig. 60.Apex, exterior, bar = 1 μm. Fig. 61.Apex, interior, bar = 1 μm. Figs 62, 63. Centre, exterior showing central raphe endings, bar = 1 μm. Fig. 64. Centre, interior, showing sideways tilted raphe node, bar = 1 μm." figureDoi="http://doi.org/10.5281/zenodo.13637772" httpUri="https://zenodo.org/record/13637772/files/figure.png" pageId="12" pageNumber="155">Figs 59, 61 and 64</figureCitation>
are indeed of the same species.
</paragraph>
<paragraph id="E60036C592750934FF75A75238F9F818" blockId="12.[136,1452,988,1949]" pageId="12" pageNumber="155">
In
<taxonomicName id="21BF4D4692750934FF13A752380BF8FC" authorityName="Tiffany, Herwig &amp; Sterrenburg" authorityYear="2015" box="[219,320,1888,1913]" class="Bacillariophyceae" family="Naviculaceae" genus="Haslea" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="155" phylum="Ochrophyta" rank="species" species="avium">
<emphasis id="D4CBEAD792750934FF13A752380BF8FC" box="[219,320,1888,1913]" italics="true" pageId="12" pageNumber="155">H. avium</emphasis>
</taxonomicName>
the longitudinal striae are much finer than the transverse, which excludes a match with
<emphasis id="D4CBEAD792750934FAC6A7523844F818" italics="true" pageId="12" pageNumber="155">
<taxonomicName id="21BF4D4692750934FAC6A7523CECF8FC" authorityName="Hustedt &amp; Aleem" authorityYear="1951" box="[1294,1447,1888,1913]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="155" phylum="Ochrophyta" rank="species" species="britannica">H. britannica</taxonomicName>
,
<taxonomicName id="21BF4D4692750934FF40A7B63844F818" authorityName="Giffen" authorityYear="1980" box="[136,271,1924,1949]" class="Bacillariophyceae" family="Naviculaceae" genus="Haslea" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="155" phylum="Ochrophyta" rank="species" species="howeana">H. howeana</taxonomicName>
</emphasis>
or
<taxonomicName id="21BF4D4692750934FEFDA7B638E0F818" authorityName="Giffen" authorityYear="1980" box="[309,427,1924,1949]" class="Bacillariophyceae" family="Naviculaceae" genus="Haslea" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="12" pageNumber="155" phylum="Ochrophyta" rank="species" species="nautica">
<emphasis id="D4CBEAD792750934FEFDA7B638E0F818" box="[309,427,1924,1949]" italics="true" pageId="12" pageNumber="155">H. nautica</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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