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<document id="DB4C7161846FBF21F41F0FAF4AFD98CF" ID-DOI="10.11646/phytotaxa.197.1.3" ID-ISSN="1179-3163" ID-Zenodo-Dep="13639478" 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="1725342262032" checkinUser="felipe" docAuthor="Kociolek, Patrick" docDate="2015" docId="03C8C356FFACFFFEFF57E283DDC3FB15" docLanguage="en" docName="phytotaxa.197.1.3.pdf" docOrigin="Phytotaxa 197 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.197.1.3" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Halamphora pertusa Stepanek &amp; Kociolek 2015, sp. nov." docType="treatment" docVersion="2" lastPageNumber="31" masterDocId="FFF1BB2EFFA8FFFAFFDFE21EDE41FFBD" masterDocTitle="Three new species of the diatom genus Halamphora (Bacillariophyta) from the prairie pothole lakes region of North Dakota, USA" masterLastPageNumber="36" masterPageNumber="27" pageNumber="31" updateTime="1725348271249" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="596A6E59ACF7662F2740D3E2FA3056FC">Three new species of the diatom genus Halamphora (Bacillariophyta) from the prairie pothole lakes region of North Dakota, USA</mods:title>
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<mods:namePart id="2268693EBB64C32E7D7FD41B07B11BC7">Kociolek, Patrick</mods:namePart>
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<mods:title id="56802FD764B51ACC95D12136B804D061">Phytotaxa</mods:title>
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<mods:classification id="FD87AD33C15596687AE2721619E2C3CD">journal article</mods:classification>
<mods:identifier id="661EE7323C91A52147F97CB59956F1F2" type="DOI">10.11646/phytotaxa.197.1.3</mods:identifier>
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<treatment id="03C8C356FFACFFFEFF57E283DDC3FB15" ID-DOI="http://doi.org/10.5281/zenodo.13639440" ID-Zenodo-Dep="13639440" LSID="urn:lsid:plazi:treatment:03C8C356FFACFFFEFF57E283DDC3FB15" httpUri="http://treatment.plazi.org/id/03C8C356FFACFFFEFF57E283DDC3FB15" lastPageNumber="31" pageId="4" pageNumber="31">
<subSubSection id="C37B21CBFFACFFFEFF57E283DFECFE0E" pageId="4" pageNumber="31" type="nomenclature">
<paragraph id="8BDE7240FFACFFFEFF57E283DD24FF05" blockId="4.[136,869,157,184]" box="[136,869,157,184]" pageId="4" pageNumber="31">
<heading id="D096C52CFFACFFFEFF57E283DD24FF05" box="[136,869,157,184]" fontSize="11" level="2" pageId="4" pageNumber="31" reason="3">
<taxonomicName id="4C6109C3FFACFFFEFF57E283DC30FF05" authority="Stepanek &amp; Kociolek" authorityName="Stepanek &amp; Kociolek" authorityYear="2015" box="[136,625,157,184]" class="Bacillariophyceae" family="Catenulaceae" genus="Halamphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="pertusa" status="sp. nov.">
<emphasis id="B915AE52FFACFFFEFF57E283DF38FF05" bold="true" box="[136,377,157,184]" italics="true" pageId="4" pageNumber="31">Halamphora pertusa</emphasis>
Stepanek &amp; Kociolek
</taxonomicName>
<taxonomicNameLabel id="A2261329FFACFFFEFDA8E281DC8FFF05" box="[631,718,159,184]" pageId="4" pageNumber="31" rank="species">
<emphasis id="B915AE52FFACFFFEFDA8E281DCD1FF05" box="[631,656,159,184]" italics="true" pageId="4" pageNumber="31">sp</emphasis>
.
<emphasis id="B915AE52FFACFFFEFD41E281DC87FF05" box="[670,710,159,184]" italics="true" pageId="4" pageNumber="31">nov</emphasis>
.
</taxonomicNameLabel>
(
<figureCitation id="135A6EC5FFACFFFEFD02E281DD1CFF05" box="[733,861,159,184]" captionStart-0="FIGURES 15–22" captionStart-1="FIGURES 23–28" captionStartId-0="4.[136,243,1883,1904]" captionStartId-1="5.[136,243,1742,1763]" captionTargetBox-0="[178,1409,1238,1866]" captionTargetBox-1="[152,1436,175,1725]" captionTargetId-0="figure-480@4.[178,1409,1238,1866]" captionTargetId-1="figure-14@5.[152,1436,175,1725]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionText-0="FIGURES 15–22: LM. Halamphora pertusa sp. nov. Single valves showing size range. Fig. 15. Holotype specimen. Scale bar = 10 μm." captionText-1="FIGURES 23–28: SEM. Halamphora pertusa sp. nov. Fig. 23. External whole valve view. Fig. 24. Detail of external valve apex. Fig. 25. Detail of the external areolae structure, showing internal biseriate sieve plate (arrow). Fig. 26. Interior whole valve view. Fig. 27. Detail of interior valve center showing longitudinal band of silica (arrow). Fig. 28. Detail of valve interior showing biseriate striae." figureDoi-0="http://doi.org/10.5281/zenodo.13639484" figureDoi-1="http://doi.org/10.5281/zenodo.13639486" httpUri-0="https://zenodo.org/record/13639484/files/figure.png" httpUri-1="https://zenodo.org/record/13639486/files/figure.png" pageId="4" pageNumber="31">Figs 15–28</figureCitation>
)
</heading>
</paragraph>
<paragraph id="8BDE7240FFACFFFEFF57E2F4DFECFE0E" blockId="4.[136,1452,234,759]" pageId="4" pageNumber="31">
Valves are semi-elliptical, with a smoothly arched dorsal margin and a straight to slightly concave ventral margin. Valve length 17.0–34.0, valve breadth 5.0–6.0. Valve ends are protracted, narrowly rounded to sub-capitate and slightly bent ventrally. The raphe is arched, with straight raphe branches. Proximal raphe ends are straight to slightly dorsally deflected, the distal raphe ends are difficult to see in the LM. The axial area is narrow throughout, widening slightly near the ventral valve center. Dorsal striae are distinctly areolate, nearly parallel at the valve center, becoming radiate near the apices. Dorsal striae number
<quantity id="4C99DFA5FFACFFFEFBCAE364DA28FE32" box="[1045,1129,378,399]" metricMagnitude="-1" metricUnit="m" metricValue="4.572" metricValueMax="4.826" metricValueMin="4.318" pageId="4" pageNumber="31" unit="in" value="18.0" valueMax="19.0" valueMin="17.0">17–19 in</quantity>
10 μm. Ventral striae are fine and number
<quantity id="4C99DFA5FFACFFFEFED2E380DF23FE0E" box="[269,354,414,435]" metricMagnitude="-1" metricUnit="m" metricValue="7.62" metricValueMax="7.874" metricValueMin="7.366" pageId="4" pageNumber="31" unit="in" value="30.0" valueMax="31.0" valueMin="29.0">29–31 in</quantity>
10 μm.
</paragraph>
</subSubSection>
<subSubSection id="C37B21CBFFACFFFEFF57E3DCDD6AFD36" pageId="4" pageNumber="31" type="description">
<paragraph id="8BDE7240FFACFFFEFF57E3DCDD6AFD36" blockId="4.[136,1452,234,759]" pageId="4" pageNumber="31">
In the SEM, externally, the raphe branches are straight with the proximal raphe ends slightly dorsally deflected and the distal ends hooked dorsally past the raphe ledge (
<figureCitation id="135A6EC5FFACFFFEFE04E3F8DC0BFE46" box="[475,586,486,507]" captionStart="FIGURES 23–28" captionStartId="5.[136,243,1742,1763]" captionTargetBox="[152,1436,175,1725]" captionTargetId="figure-14@5.[152,1436,175,1725]" captionTargetPageId="5" captionText="FIGURES 23–28: SEM. Halamphora pertusa sp. nov. Fig. 23. External whole valve view. Fig. 24. Detail of external valve apex. Fig. 25. Detail of the external areolae structure, showing internal biseriate sieve plate (arrow). Fig. 26. Interior whole valve view. Fig. 27. Detail of interior valve center showing longitudinal band of silica (arrow). Fig. 28. Detail of valve interior showing biseriate striae." figureDoi="http://doi.org/10.5281/zenodo.13639486" httpUri="https://zenodo.org/record/13639486/files/figure.png" pageId="4" pageNumber="31">Figs 23, 24</figureCitation>
). The dorsal raphe ledge is prominent and is continuous the length of the valve. The dorsal striae are crossed by many irregularly spaces vimines, creating many internally biseriate round to ovoid areolae (
<figureCitation id="135A6EC5FFACFFFEFB33E014DB73FDA2" box="[1260,1330,522,543]" captionStart="FIGURES 23–28" captionStartId="5.[136,243,1742,1763]" captionTargetBox="[152,1436,175,1725]" captionTargetId="figure-14@5.[152,1436,175,1725]" captionTargetPageId="5" captionText="FIGURES 23–28: SEM. Halamphora pertusa sp. nov. Fig. 23. External whole valve view. Fig. 24. Detail of external valve apex. Fig. 25. Detail of the external areolae structure, showing internal biseriate sieve plate (arrow). Fig. 26. Interior whole valve view. Fig. 27. Detail of interior valve center showing longitudinal band of silica (arrow). Fig. 28. Detail of valve interior showing biseriate striae." figureDoi="http://doi.org/10.5281/zenodo.13639486" httpUri="https://zenodo.org/record/13639486/files/figure.png" pageId="4" pageNumber="31">Fig. 25</figureCitation>
, arrow). The ventral striae consist of a single row of elongate areolae. A marginal ridge is not present and the areolate striae continue uninterrupted to the valve margin. Internally, the dorsal striae appear irregularly biseriate throughout. A distinct longitudinal band of silica runs the length of the valve near the dorsal axial area (
<figureCitation id="135A6EC5FFACFFFEFDACE068DCFDFD36" box="[627,700,630,651]" captionStart="FIGURES 23–28" captionStartId="5.[136,243,1742,1763]" captionTargetBox="[152,1436,175,1725]" captionTargetId="figure-14@5.[152,1436,175,1725]" captionTargetPageId="5" captionText="FIGURES 23–28: SEM. Halamphora pertusa sp. nov. Fig. 23. External whole valve view. Fig. 24. Detail of external valve apex. Fig. 25. Detail of the external areolae structure, showing internal biseriate sieve plate (arrow). Fig. 26. Interior whole valve view. Fig. 27. Detail of interior valve center showing longitudinal band of silica (arrow). Fig. 28. Detail of valve interior showing biseriate striae." figureDoi="http://doi.org/10.5281/zenodo.13639486" httpUri="https://zenodo.org/record/13639486/files/figure.png" pageId="4" pageNumber="31">Figs 27</figureCitation>
arrow, 28).
</paragraph>
</subSubSection>
<subSubSection id="C37B21CBFFACFFFEFF57E084DDC3FB15" pageId="4" pageNumber="31" type="materials_examined">
<paragraph id="8BDE7240FFACFFFEFF57E084DF47FD4A" blockId="4.[136,1452,234,759]" pageId="4" pageNumber="31">
<emphasis id="B915AE52FFACFFFEFF57E084DE83FD12" bold="true" box="[136,194,666,687]" pageId="4" pageNumber="31">Type:</emphasis>
—
<materialsCitation id="3B09781DFFACFFFEFF03E084DF3BFD6E" collectingDate="2011-11-03" collectionCode="ANSP" country="United States of America" county="Kidder County" latitude="46.95092" location="Salt Alkaline Lake" longLatPrecision="1" longitude="-99.53915" pageId="4" pageNumber="31" specimenCode="GC 65213" specimenCount="1" stateProvince="North Dakota" typeStatus="holotype">
<collectingCountry id="F37632D0FFACFFFEFF03E084DF4FFD12" box="[220,270,666,687]" name="United States of America" pageId="4" pageNumber="31">USA</collectingCountry>
.
<collectingRegion id="49A5BCA2FFACFFFEFEC7E084DFDEFD12" box="[280,415,666,687]" country="United States of America" name="North Dakota" pageId="4" pageNumber="31">North Dakota</collectingRegion>
,
<collectingCounty id="62BF0ACCFFACFFFEFE76E084DC7CFD12" box="[425,573,666,687]" pageId="4" pageNumber="31">Kidder County</collectingCounty>
:
<location id="8EBE249BFFACFFFEFD97E084DCBEFD12" LSID="urn:lsid:plazi:treatment:03C8C356FFACFFFEFF57E283DDC3FB15:8EBE249BFFACFFFEFD97E084DCBEFD12" box="[584,767,666,687]" country="United States of America" county="Kidder County" latitude="46.95092" longLatPrecision="1" longitude="-99.53915" name="Salt Alkaline Lake" pageId="4" pageNumber="31" stateProvince="North Dakota">Salt Alkaline Lake</location>
,
<geoCoordinate id="EE551487FFACFFFEFCD4E084DDC3FD12" box="[779,898,666,687]" degrees="46.95092" direction="north" orientation="latitude" pageId="4" pageNumber="31" precision="1" value="46.95092">N46.95092°</geoCoordinate>
,
<geoCoordinate id="EE551487FFACFFFEFC53E084DA48FD12" box="[908,1033,666,687]" degrees="99.53915" direction="west" orientation="longitude" pageId="4" pageNumber="31" precision="1" value="-99.53915">W99.53915°</geoCoordinate>
,
<date id="FFDF5480FFACFFFEFBCBE084DA84FD12" box="[1044,1221,666,687]" pageId="4" pageNumber="31" value="2011-11-03">
<collectingDate id="EF9BAD68FFACFFFEFBCBE084DA84FD12" box="[1044,1221,666,687]" pageId="4" pageNumber="31" value="2011-11-03">3 November 2011</collectingDate>
</date>
,
<typeStatus id="54DACCE2FFACFFFEFB0FE084DB6CFD12" box="[1232,1325,666,687]" pageId="4" pageNumber="31" type="holotype">Holotype</typeStatus>
: Slide
<collectionCode id="ED70EA85FFACFFFEFAB0E084DBEAFD12" box="[1391,1451,666,687]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="4" pageNumber="31">ANSP</collectionCode>
<specimenCode id="DBC7DA3BFFACFFFEFF62E0A0DF64FD6E" box="[189,293,702,723]" collectionCode="GC" country="0" name="Goucher College" pageId="4" pageNumber="31">GC 65213</specimenCode>
,
<figureCitation id="135A6EC5FFACFFFEFEEDE0A0DF3BFD6E" box="[306,378,702,723]" captionStart="FIGURES 15–22" captionStartId="4.[136,243,1883,1904]" captionTargetBox="[178,1409,1238,1866]" captionTargetId="figure-480@4.[178,1409,1238,1866]" captionTargetPageId="4" captionText="FIGURES 15–22: LM. Halamphora pertusa sp. nov. Single valves showing size range. Fig. 15. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13639484" httpUri="https://zenodo.org/record/13639484/files/figure.png" pageId="4" pageNumber="31">Fig. 15</figureCitation>
</materialsCitation>
;
<materialsCitation id="3B09781DFFACFFFEFE58E0A0DF40FD4A" collectionCode="ANSP, COLO" country="United States of America" location="Cleaned" pageId="4" pageNumber="31" specimenCode="GCM 5691" specimenCount="1" typeStatus="isotype">
<typeStatus id="54DACCE2FFACFFFEFE58E0A0DF9AFD6E" box="[391,475,702,723]" pageId="4" pageNumber="31" type="isotype">Isotypes</typeStatus>
:
<location id="8EBE249BFFACFFFEFE39E0A0DC74FD6E" LSID="urn:lsid:plazi:treatment:03C8C356FFACFFFEFF57E283DDC3FB15:8EBE249BFFACFFFEFE39E0A0DC74FD6E" box="[486,565,702,723]" country="United States of America" name="Cleaned" pageId="4" pageNumber="31">Cleaned</location>
material
<collectionCode id="ED70EA85FFACFFFEFD4CE0A0DC8EFD6E" box="[659,719,702,723]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="4" pageNumber="31">ANSP</collectionCode>
<specimenCode id="DBC7DA3BFFACFFFEFD07E0A0DD08FD6E" box="[728,841,702,723]" collectionCode="GCM" country="Pakistan" httpUri="http://grbio.org/cool/6cg4-m6r9" name="Government College, Department of Zoology" pageId="4" pageNumber="31">GCM 5691</specimenCode>
, slide and cleaned material JPK 7977, Kociolek Collection at
<collectionCode id="ED70EA85FFACFFFEFF62E0FCDF40FD4A" box="[189,257,738,759]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15540" lsid="urn:lsid:biocol.org:col:15540" name="University of Colorado Herbarium" pageId="4" pageNumber="31" type="Herbarium">COLO</collectionCode>
</materialsCitation>
.
</paragraph>
<paragraph id="8BDE7240FFACFFFEFF57E139DDC3FB15" blockId="4.[136,1452,807,1192]" pageId="4" pageNumber="31">
<emphasis id="B915AE52FFACFFFEFF57E139DF71FCFD" bold="true" box="[136,304,807,832]" pageId="4" pageNumber="31">Observations:</emphasis>
—
<taxonomicName id="4C6109C3FFACFFFEFE93E139DC7FFCFD" authorityName="Stepanek &amp; Kociolek" authorityYear="2015" box="[332,574,807,832]" class="Bacillariophyceae" family="Catenulaceae" genus="Halamphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="pertusa">
<emphasis id="B915AE52FFACFFFEFE93E139DC7FFCFD" box="[332,574,807,832]" italics="true" pageId="4" pageNumber="31">Halamphora pertusa</emphasis>
</taxonomicName>
is similar in valve outline and areolate striae to the freshwater species
<taxonomicName id="4C6109C3FFACFFFEFF57E155DCBAFCD9" authority="Stepanek &amp; Kociolek (2013: 70)" authorityName="Stepanek &amp; Kociolek" authorityPageNumber="70" authorityYear="2013" box="[136,763,843,868]" class="Bacillariophyceae" family="Catenulaceae" genus="Halamphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="punctata">
<emphasis id="B915AE52FFACFFFEFF57E155DFC0FCD9" box="[136,385,843,868]" italics="true" pageId="4" pageNumber="31">Halamphora punctata</emphasis>
<bibRefCitation id="EFF00FB1FFACFFFEFE56E155DCBAFCD9" author="Stepanek, J. G. &amp; Kociolek, J. P." box="[393,763,843,868]" pageId="4" pageNumber="31" pagination="61 - 76" refId="ref5941" refString="Stepanek, J. G. &amp; Kociolek, J. P. (2013) Several new species of Amphora and Halamphora from the western USA. Diatom Research 28: 61 - 76. http: // dx. doi. org / 10.1080 / 0269249 X. 2012.735205" type="journal article" year="2013">Stepanek &amp; Kociolek (2013: 70)</bibRefCitation>
</taxonomicName>
, and to the brackish/marine species
<taxonomicName id="4C6109C3FFACFFFEFB4CE155DF9FFC35" authority="(Kutzing) Levkov (2009: 167" authorityName="Levkov" authorityYear="2009" baseAuthorityName="Kutzing" class="Bacillariophyceae" family="Catenulaceae" genus="Halamphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="acutiuscula">
<emphasis id="B915AE52FFACFFFEFB4CE155DBEAFCD9" box="[1171,1451,843,868]" italics="true" pageId="4" pageNumber="31">Halamphora acutiuscula</emphasis>
(Kützing)
<bibRefCitation id="EFF00FB1FFACFFFEFF20E171DF9FFC35" author="Levkov, Z." box="[255,478,879,904]" pageId="4" pageNumber="31" refId="ref5462" refString="Levkov, Z. (2009) Amphora sensu lato. In: Lange-Bertalot, H. (Ed.) Diatoms of Europe, Volume 5. A. R. G. Gantner Verlag K. G., Ruggell, 916 pp." type="book" year="2009">Levkov (2009: 167</bibRefCitation>
</taxonomicName>
; basionym:
<taxonomicName id="4C6109C3FFACFFFEFDB4E171DA00FC35" authority="Kutzing 1844: 108" authorityName="Kutzing" authorityPageNumber="108" authorityYear="1844" box="[619,1089,879,904]" class="Bacillariophyceae" family="Catenulaceae" genus="Amphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="acutiuscula">
<emphasis id="B915AE52FFACFFFEFDB4E171DD1FFC35" box="[619,862,879,904]" italics="true" pageId="4" pageNumber="31">Amphora acutiuscula</emphasis>
<bibRefCitation id="EFF00FB1FFACFFFEFCB7E171DA00FC35" author="Kutzing, F. T." box="[872,1089,879,904]" pageId="4" pageNumber="31" refId="ref5367" refString="Kutzing, F. T. (1844) Die Kieselschaligen. Bacillarien oder Diatomeen. Nordhausen, 152 pp." type="book" year="1844">Kützing 1844: 108</bibRefCitation>
</taxonomicName>
) and
<taxonomicName id="4C6109C3FFACFFFEFB5AE171DFB1FC11" authority="(Krammer) Levkov (2009: 228" authorityName="Levkov" authorityYear="2009" baseAuthorityName="Krammer" class="Bacillariophyceae" family="Catenulaceae" genus="Halamphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="subholsatica">
<emphasis id="B915AE52FFACFFFEFB5AE171DBEDFC35" box="[1157,1452,879,904]" italics="true" pageId="4" pageNumber="31">Halamphora subholsatica</emphasis>
(Krammer)
<bibRefCitation id="EFF00FB1FFACFFFEFECFE18DDFB1FC11" author="Levkov, Z." box="[272,496,915,940]" pageId="4" pageNumber="31" refId="ref5462" refString="Levkov, Z. (2009) Amphora sensu lato. In: Lange-Bertalot, H. (Ed.) Diatoms of Europe, Volume 5. A. R. G. Gantner Verlag K. G., Ruggell, 916 pp." type="book" year="2009">Levkov (2009: 228</bibRefCitation>
</taxonomicName>
; basionym:
<taxonomicName id="4C6109C3FFACFFFEFDA1E18DDA37FC11" authority="Krammer 1997: 203" authorityName="Krammer" authorityPageNumber="203" authorityYear="1997" box="[638,1142,915,940]" class="Bacillariophyceae" family="Catenulaceae" genus="Amphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="subholsatica">
<emphasis id="B915AE52FFACFFFEFDA1E18DDD3EFC11" box="[638,895,915,940]" italics="true" pageId="4" pageNumber="31">Amphora subholsatica</emphasis>
<bibRefCitation id="EFF00FB1FFACFFFEFC56E18DDA37FC11" author="Krammer, K." box="[905,1142,915,940]" pageId="4" pageNumber="31" pagination="1 - 463" refId="ref5330" refString="Krammer, K. (1997) Die cymbelloiden Diatomeen. Eine Monographie der weltweit bekannten Taxa. Teil 2. Encyonema part., Encyonopsis and Cymbellopsis. Bibliotheca Diatomologica 37: 1 - 463." type="journal article" year="1997">Krammer 1997: 203</bibRefCitation>
</taxonomicName>
).
<taxonomicName id="4C6109C3FFACFFFEFB52E18DDB3BFC11" authorityName="Stepanek &amp; Kociolek" authorityYear="2015" box="[1165,1402,915,940]" class="Bacillariophyceae" family="Catenulaceae" genus="Halamphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="pertusa">
<emphasis id="B915AE52FFACFFFEFB52E18DDB3BFC11" box="[1165,1402,915,940]" italics="true" pageId="4" pageNumber="31">Halamphora pertusa</emphasis>
</taxonomicName>
can be distinguished from
<taxonomicName id="4C6109C3FFACFFFEFE51E1A9DC75FC6D" authorityName="Kutzing" authorityYear="1844" box="[398,564,951,976]" class="Bacillariophyceae" family="Catenulaceae" genus="Amphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="acutiuscula">
<emphasis id="B915AE52FFACFFFEFE51E1A9DFE3FC6D" box="[398,418,951,976]" italics="true" pageId="4" pageNumber="31">H</emphasis>
.
<emphasis id="B915AE52FFACFFFEFE6CE1A9DC75FC6D" box="[435,564,951,976]" italics="true" pageId="4" pageNumber="31">acutiuscula</emphasis>
</taxonomicName>
by its smaller size, longitudinal band of silica and the absence of distinctly thickened central dorsal virgae that is seen in
<taxonomicName id="4C6109C3FFACFFFEFD42E1C5DD02FC49" authorityName="Kutzing" authorityYear="1844" box="[669,835,987,1012]" class="Bacillariophyceae" family="Catenulaceae" genus="Amphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="acutiuscula">
<emphasis id="B915AE52FFACFFFEFD42E1C5DCF0FC49" box="[669,689,987,1012]" italics="true" pageId="4" pageNumber="31">H</emphasis>
.
<emphasis id="B915AE52FFACFFFEFD1DE1C5DD02FC49" box="[706,835,987,1012]" italics="true" pageId="4" pageNumber="31">acutiuscula</emphasis>
</taxonomicName>
(
<bibRefCitation id="EFF00FB1FFACFFFEFC8BE1C5DDB3FC49" author="Levkov, Z." box="[852,1010,987,1012]" pageId="4" pageNumber="31" refId="ref5462" refString="Levkov, Z. (2009) Amphora sensu lato. In: Lange-Bertalot, H. (Ed.) Diatoms of Europe, Volume 5. A. R. G. Gantner Verlag K. G., Ruggell, 916 pp." type="book" year="2009">Levkov 2009</bibRefCitation>
: pl. 234,
<figureCitation id="135A6EC5FFACFFFEFBBFE1C5DAE6FC49" box="[1120,1191,987,1012]" captionStart="FIGURES 1–9" captionStartId="2.[136,243,1265,1286]" captionTargetBox="[154,1433,707,1237]" captionTargetId="figure-309@2.[154,1433,707,1237]" captionTargetPageId="2" captionText="FIGURES 1–9: LM. Halamphora pratensis sp. nov. Single valves showing size range. Fig. 1. Holotype specimen. Scale bar = 10 μm." figureDoi="http://doi.org/10.5281/zenodo.13639480" httpUri="https://zenodo.org/record/13639480/files/figure.png" pageId="4" pageNumber="31">Fig. 4</figureCitation>
).
<taxonomicName id="4C6109C3FFACFFFEFB61E1C5DBEAFC49" authorityName="Stepanek &amp; Kociolek" authorityYear="2015" box="[1214,1451,987,1012]" class="Bacillariophyceae" family="Catenulaceae" genus="Halamphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="pertusa">
<emphasis id="B915AE52FFACFFFEFB61E1C5DBEAFC49" box="[1214,1451,987,1012]" italics="true" pageId="4" pageNumber="31">Halamphora pertusa</emphasis>
</taxonomicName>
shares the internal silica band with
<taxonomicName id="4C6109C3FFACFFFEFDCFE1E1DC81FBA5" authorityName="Krammer" authorityYear="1997" box="[528,704,1023,1048]" class="Bacillariophyceae" family="Catenulaceae" genus="Amphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="subholsatica">
<emphasis id="B915AE52FFACFFFEFDCFE1E1DC65FBA5" box="[528,548,1023,1048]" italics="true" pageId="4" pageNumber="31">H</emphasis>
.
<emphasis id="B915AE52FFACFFFEFDEDE1E1DC81FBA5" box="[562,704,1023,1048]" italics="true" pageId="4" pageNumber="31">subholsatica</emphasis>
</taxonomicName>
, but can be distinguished by its smaller size, finer striation, closely spaced proximal raphe ends, straight to concave ventral margin and lack of any thickening of the dorsal central virgae (
<bibRefCitation id="EFF00FB1FFACFFFEFF4FE659DF6DFBDD" author="Levkov, Z." box="[144,300,1095,1120]" pageId="4" pageNumber="31" refId="ref5462" refString="Levkov, Z. (2009) Amphora sensu lato. In: Lange-Bertalot, H. (Ed.) Diatoms of Europe, Volume 5. A. R. G. Gantner Verlag K. G., Ruggell, 916 pp." type="book" year="2009">Levkov 2009</bibRefCitation>
).
<taxonomicName id="4C6109C3FFACFFFEFEE0E659DC6BFBDD" authorityName="Stepanek &amp; Kociolek" authorityYear="2015" box="[319,554,1095,1120]" class="Bacillariophyceae" family="Catenulaceae" genus="Halamphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="pertusa">
<emphasis id="B915AE52FFACFFFEFEE0E659DC6BFBDD" box="[319,554,1095,1120]" italics="true" pageId="4" pageNumber="31">Halamphora pertusa</emphasis>
</taxonomicName>
shares biseriate areolate striae with the freshwater species
<taxonomicName id="4C6109C3FFACFFFEFB1AE659DB0BFBDD" authorityName="Stepanek &amp; Kociolek" authorityYear="2013" box="[1221,1354,1095,1120]" class="Bacillariophyceae" family="Catenulaceae" genus="Halamphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiophysales" pageId="4" pageNumber="31" phylum="Ochrophyta" rank="species" species="punctata">
<emphasis id="B915AE52FFACFFFEFB1AE659DA98FBDD" box="[1221,1241,1095,1120]" italics="true" pageId="4" pageNumber="31">H</emphasis>
.
<emphasis id="B915AE52FFACFFFEFB37E659DB0BFBDD" box="[1256,1354,1095,1120]" italics="true" pageId="4" pageNumber="31">punctata</emphasis>
</taxonomicName>
, but can easily be distinguished by its comparatively broader valves, coarser striation, narrow ventral axial area and lack of any thickening of the dorsal central virgae (
<bibRefCitation id="EFF00FB1FFACFFFEFDE0E691DD37FB15" author="Stepanek, J. G. &amp; Kociolek, J. P." box="[575,886,1167,1192]" pageId="4" pageNumber="31" pagination="61 - 76" refId="ref5941" refString="Stepanek, J. G. &amp; Kociolek, J. P. (2013) Several new species of Amphora and Halamphora from the western USA. Diatom Research 28: 61 - 76. http: // dx. doi. org / 10.1080 / 0269249 X. 2012.735205" type="journal article" year="2013">Stepanek &amp; Kociolek 2013</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>
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