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<document id="0591E497668714EDBD848BB25800E745" ID-DOI="10.11646/phytotaxa.606.3.2" ID-ISSN="1179-3163" ID-Zenodo-Dep="8202586" 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="1690879640416" checkinUser="plazi" docAuthor="Pereira, Andreia Cavalcante, Alves, Jannah Thalis Da Silva, Vidal, Regiane Gabriele Rocha, Kociolek, John Patrick, Torgan, Lezilda Carvalho &amp; Melo, Sérgio" docDate="2023" docId="03B087B65443C10A23EA35FF480FCD79" docLanguage="en" docName="phytotaxa.606.3.2.pdf" docOrigin="Phytotaxa 606 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.606.3.2" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.6:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="6" docTitle="Neidium itapariensis A. C. Pereira, J. T. S. Alves, J. P. Kociolek &amp; S. Melo 2023, sp. nov." docType="treatment" docVersion="2" lastPageNumber="191" masterDocId="FF89FFCE5445C10C236237214A78CB05" masterDocTitle="Taxonomy of three new Neidium Pfitzer species of the Arapiuns and Tapajós Rivers Basin (Santarém, Pará, Brazil)" masterLastPageNumber="200" masterPageNumber="185" pageNumber="191" updateTime="1690880046338" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="6906DA1103121191F9CA06C2FE260279">Taxonomy of three new Neidium Pfitzer species of the Arapiuns and Tapajós Rivers Basin (Santarém, Pará, Brazil)</mods:title>
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<mods:namePart id="536D85AC95EF709D4E99F07DDE8537AF">Pereira, Andreia Cavalcante</mods:namePart>
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<mods:namePart id="27F78738AE076206C4DEBE2F2F155B25">Alves, Jannah Thalis Da Silva</mods:namePart>
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<mods:namePart id="010185A1743047D4B50646F3FB838BD2">Vidal, Regiane Gabriele Rocha</mods:namePart>
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<mods:namePart id="939D7D2CE828839E284268EEF4C6C0D8">Kociolek, John Patrick</mods:namePart>
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<mods:namePart id="B4D3FBFB6FEF5BE0286E4BF35C1E71FB">Torgan, Lezilda Carvalho</mods:namePart>
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<mods:namePart id="4BF3C78B1C1FF24A4D009D25F3096110">Melo, Sérgio</mods:namePart>
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<subSubSection id="C303652B5443C10A23EA35FF48A5C844" pageId="6" pageNumber="191" type="nomenclature">
<paragraph id="8BA636A05443C10A23EA35FF4F6AC9FD" blockId="6.[136,1298,734,761]" box="[136,1298,734,761]" pageId="6" pageNumber="191">
<heading id="D0EE81CC5443C10A23EA35FF4F6AC9FD" bold="true" box="[136,1298,734,761]" fontSize="11" level="1" pageId="6" pageNumber="191" reason="1">
<emphasis id="B96DEAB25443C10A23EA35FF4F6AC9FD" bold="true" box="[136,1298,734,761]" pageId="6" pageNumber="191">
<taxonomicName id="4C194D235443C10A23EA35FF49AFC9FD" authority="A.C. Pereira, J.T.S. Alves, J.P. Kociolek &amp; S. Melo" authorityName="A. C. Pereira, J. T. S. Alves, J. P. Kociolek &amp; S. Melo" authorityYear="2023" box="[136,983,734,761]" class="Bacillariophyceae" family="Neidiaceae" genus="Neidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="191" phylum="Ochrophyta" rank="species" species="itapariensis" status="sp. nov.">
<emphasis id="B96DEAB25443C10A23EA35FF4B01C9FD" bold="true" box="[136,377,734,761]" italics="true" pageId="6" pageNumber="191">Neidium itapariensis</emphasis>
A.C. Pereira, J.T.S. Alves, J.P. Kociolek &amp; S. Melo
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,
<taxonomicNameLabel id="A25E57C95443C10A208635FE4E44C9FD" box="[996,1084,734,761]" pageId="6" pageNumber="191" rank="species">
<emphasis id="B96DEAB25443C10A208635FE4E4DC9FC" bold="true" box="[996,1077,735,761]" italics="true" pageId="6" pageNumber="191">sp. nov</emphasis>
.
</taxonomicNameLabel>
(LM:
<figureCitation id="13222A255443C10A27EB35FF4F72C9FD" box="[1161,1290,734,760]" captionStart="FIGURES 1932" captionStartId="9.[136,243,2020,2042]" captionTargetBox="[173,1412,393,1992]" captionTargetId="figure-117@9.[170,1416,389,1995]" captionTargetPageId="9" captionText="FIGURES 1932. LM valve views. Figs. 1925. Neidium itapariensis. Fig. 23, holotype. Fig. 22, isotype. Figs. 2632. Neidium muyrakytan. Fig. 26, holotype. Fig. 29, paratype. Scale bar = 10 μm" figureDoi="http://doi.org/10.5281/zenodo.8202598" httpUri="https://zenodo.org/record/8202598/files/figure.png" pageId="6" pageNumber="191">Figs 1925</figureCitation>
)
</emphasis>
</heading>
</paragraph>
<paragraph id="8BA636A05443C10A23EA340748A5C844" blockId="6.[136,1452,806,1661]" box="[136,733,806,833]" pageId="6" pageNumber="191">Individuals examined for morphological analyses: 15</paragraph>
</subSubSection>
<subSubSection id="C303652B5443C10A23DF346B4B82CFAD" pageId="6" pageNumber="191" type="description">
<paragraph id="8BA636A05443C10A23DF346B4B82CFAD" blockId="6.[136,1452,806,1661]" pageId="6" pageNumber="191">
Valves linear-elliptical to elliptic-lanceolate with slightly undulate margins, middle inflated, with strongly protracted capitate apices (
<figureCitation id="13222A255443C10A22D5344F4843C88C" box="[439,571,878,905]" captionStart="FIGURES 1932" captionStartId="9.[136,243,2020,2042]" captionTargetBox="[173,1412,393,1992]" captionTargetId="figure-117@9.[170,1416,389,1995]" captionTargetPageId="9" captionText="FIGURES 1932. LM valve views. Figs. 1925. Neidium itapariensis. Fig. 23, holotype. Fig. 22, isotype. Figs. 2632. Neidium muyrakytan. Fig. 26, holotype. Fig. 29, paratype. Scale bar = 10 μm" figureDoi="http://doi.org/10.5281/zenodo.8202598" httpUri="https://zenodo.org/record/8202598/files/figure.png" pageId="6" pageNumber="191">Figs 1925</figureCitation>
). Valve length 59.5666.30 µm (average 64.01 µm; standard deviation ± 2.13 µm) and breadth 13.415.1 µm (average 14.00 µm; standard deviation ± 0.52 µm). Axial area narrow, linear from center to apex, length/breadth ratio 3.194.12. Central area transapically elliptical to rhombic in shape. Raphe filiform, external proximal raphe endings recurved in opposite directions and distal raphe endings appearing bifurcate formed by triangular laciniae (
<figureCitation id="13222A255443C10A22E634DF4870CF1C" box="[388,520,1022,1049]" captionStart="FIGURES 1932" captionStartId="9.[136,243,2020,2042]" captionTargetBox="[173,1412,393,1992]" captionTargetId="figure-117@9.[170,1416,389,1995]" captionTargetPageId="9" captionText="FIGURES 1932. LM valve views. Figs. 1925. Neidium itapariensis. Fig. 23, holotype. Fig. 22, isotype. Figs. 2632. Neidium muyrakytan. Fig. 26, holotype. Fig. 29, paratype. Scale bar = 10 μm" figureDoi="http://doi.org/10.5281/zenodo.8202598" httpUri="https://zenodo.org/record/8202598/files/figure.png" pageId="6" pageNumber="191">Figs 2425</figureCitation>
). Striae (
<quantity id="4CE19B455443C10A210834DF48B7CF1D" box="[618,719,1022,1048]" metricMagnitude="-1" metricUnit="m" metricValue="4.953" metricValueMax="5.08" metricValueMin="4.826" pageId="6" pageNumber="191" unit="in" value="19.5" valueMax="20.0" valueMin="19.0">1920 in</quantity>
10 μm) radiate to slightly oblique at the center becoming slightly convergent slightly towards the apices. One or two Voigt faults present on the secondary side of the valve are clearly recognizable by a single row of areolae separated from the striae (
<figureCitation id="13222A255443C10A201D33674E7CCF65" box="[895,1028,1094,1120]" captionStart="FIGURES 1932" captionStartId="9.[136,243,2020,2042]" captionTargetBox="[173,1412,393,1992]" captionTargetId="figure-117@9.[170,1416,389,1995]" captionTargetPageId="9" captionText="FIGURES 1932. LM valve views. Figs. 1925. Neidium itapariensis. Fig. 23, holotype. Fig. 22, isotype. Figs. 2632. Neidium muyrakytan. Fig. 26, holotype. Fig. 29, paratype. Scale bar = 10 μm" figureDoi="http://doi.org/10.5281/zenodo.8202598" httpUri="https://zenodo.org/record/8202598/files/figure.png" pageId="6" pageNumber="191">Figs 2123</figureCitation>
). Areolae evenly spaced, rounded to elongate linear-elliptical in shape. Each row with density of 89 areolae in 5 µm. One wide longitudinal canal is present along each valve margin.
</paragraph>
</subSubSection>
<subSubSection id="C303652B5443C10A23DF33934BE2CE11" pageId="6" pageNumber="191" type="materials_examined">
<paragraph id="8BA636A05443C10A23DF33934BE2CE11" blockId="6.[136,1452,806,1661]" pageId="6" pageNumber="191">
<emphasis id="B96DEAB25443C10A23DF33934B79CFC9" bold="true" box="[189,257,1202,1228]" pageId="6" pageNumber="191">Type:</emphasis>
<materialsCitation id="3B713CFD5443C10A227D33934BEECE11" collectingDate="2018-12-16" collectionCode="HSTM" collectorName="Pereira, A. C. P." country="Brazil" latitude="-2.4394445" location="Tapari Lake" longLatPrecision="21" longitude="-54.893612" pageId="6" pageNumber="191" specimenCode="HAS 6897" specimenCount="1" stateProvince="Para" typeStatus="holotype">
<collectingCountry id="F30E76305443C10A227D33934BFFCFC9" box="[287,391,1202,1228]" name="Brazil" pageId="6" pageNumber="191">BRAZIL</collectingCountry>
.
<collectingRegion id="49DDF8425443C10A22F633934BB2CFC9" box="[404,458,1202,1228]" country="Brazil" name="Para" pageId="6" pageNumber="191">Pará</collectingRegion>
:
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<geoCoordinate id="EE2D50675443C10A210933934897CFC9" box="[619,751,1202,1228]" degrees="02" direction="south" minutes="26" orientation="latitude" pageId="6" pageNumber="191" precision="15" seconds="22" value="-2.4394445">02º2622”S</geoCoordinate>
,
<geoCoordinate id="EE2D50675443C10A219C339349F2CFC8" box="[766,906,1202,1229]" degrees="54" direction="west" minutes="53" orientation="longitude" pageId="6" pageNumber="191" precision="15" seconds="37" value="-54.893612">54º5337”W</geoCoordinate>
,
<date id="FFA710605443C10A20F833934E00CFC9" box="[922,1144,1202,1228]" pageId="6" pageNumber="191" value="2018-12-16">
<collectingDate id="EFE3E9885443C10A20F833934E00CFC9" box="[922,1144,1202,1228]" pageId="6" pageNumber="191" value="2018-12-16">16 December 2018</collectingDate>
</date>
,
<collectorName id="26EC53765443C10A27E533934F48CFC9" box="[1159,1328,1202,1228]" pageId="6" pageNumber="191">Pereira, A.C.P.</collectorName>
, sediment, station 1, (
<typeStatus id="54A288025443C10A239F33F74B1FCFF5" box="[253,359,1238,1264]" pageId="6" pageNumber="191">Holotype</typeStatus>
<collectionCode id="ED08AE655443C10A220C33F74BC5CFF5" box="[366,445,1238,1264]" pageId="6" pageNumber="191">HSTM</collectionCode>
Algas slide
<superScript id="7C6C9BE85443C10A212F33F6481BCFE1" attach="left" box="[589,611,1238,1265]" fontSize="6" pageId="6" pageNumber="191">no</superScript>
16827!, here illustrated as
<figureCitation id="13222A255443C10A20F133F74E79CFF5" box="[915,1025,1238,1264]" captionStart="FIGURES 1932" captionStartId="9.[136,243,2020,2042]" captionTargetBox="[173,1412,393,1992]" captionTargetId="figure-117@9.[170,1416,389,1995]" captionTargetPageId="9" captionText="FIGURES 1932. LM valve views. Figs. 1925. Neidium itapariensis. Fig. 23, holotype. Fig. 22, isotype. Figs. 2632. Neidium muyrakytan. Fig. 26, holotype. Fig. 29, paratype. Scale bar = 10 μm" figureDoi="http://doi.org/10.5281/zenodo.8202598" httpUri="https://zenodo.org/record/8202598/files/figure.png" pageId="6" pageNumber="191">Figure 23</figureCitation>
, row sample; isotype
<specimenCode id="DBBF9EDB5443C10A279633F74F09CFF5" box="[1268,1393,1238,1264]" collectionCode="HAS" country="Brazil" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13038" lsid="urn:lsid:biocol.org:col:13038" name="Fundação Zoobotânica do Rio Grande do Sul" pageId="6" pageNumber="191" type="Herbarium">HAS 6897</specimenCode>
! here illustrated as
<figureCitation id="13222A255443C10A227F33DB4BF5CE11" box="[285,397,1274,1300]" captionStart="FIGURES 1932" captionStartId="9.[136,243,2020,2042]" captionTargetBox="[173,1412,393,1992]" captionTargetId="figure-117@9.[170,1416,389,1995]" captionTargetPageId="9" captionText="FIGURES 1932. LM valve views. Figs. 1925. Neidium itapariensis. Fig. 23, holotype. Fig. 22, isotype. Figs. 2632. Neidium muyrakytan. Fig. 26, holotype. Fig. 29, paratype. Scale bar = 10 μm" figureDoi="http://doi.org/10.5281/zenodo.8202598" httpUri="https://zenodo.org/record/8202598/files/figure.png" pageId="6" pageNumber="191">Figure 22</figureCitation>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C303652B5443C10A23DF323F480FCD79" pageId="6" pageNumber="191" type="etymology">
<paragraph id="8BA636A05443C10A23DF323F4855CE84" blockId="6.[136,1452,806,1661]" pageId="6" pageNumber="191">
<emphasis id="B96DEAB25443C10A23DF323F4B30CE3D" bold="true" box="[189,328,1310,1336]" pageId="6" pageNumber="191">Etymology:</emphasis>
—The specific epithet is dedicated to study area from which it was collected, Itapari Lake. Itapari has the origin in the Nheengatu indigenous language of the Amazonian region, that means ita= stone + pari= surrounded, in other words, surrounded by stones.
</paragraph>
<paragraph id="8BA636A05443C10A23DF32AB480FCD79" blockId="6.[136,1452,806,1661]" pageId="6" pageNumber="191">
<emphasis id="B96DEAB25443C10A23DF32AB4B1DCEA1" bold="true" box="[189,357,1418,1444]" pageId="6" pageNumber="191">Observations:</emphasis>
<taxonomicName id="4C194D235443C10A22E332AB4810CEA1" authorityName="A. C. Pereira, J. T. S. Alves, J. P. Kociolek &amp; S. Melo" authorityYear="2023" box="[385,616,1418,1444]" class="Bacillariophyceae" family="Neidiaceae" genus="Neidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="191" phylum="Ochrophyta" rank="species" species="itapariensis">
<emphasis id="B96DEAB25443C10A22E332AB4810CEA1" box="[385,616,1418,1444]" italics="true" pageId="6" pageNumber="191">Neidium itapariensis</emphasis>
</taxonomicName>
shares features with two species:
<taxonomicName id="4C194D235443C10A20B132AB4E05CEA1" authorityName="A. C. Pereira, S. Melo, L. Torgan, R. G. R. Vidal, J. P. Kociolek &amp; J. T. S. Alves" authorityYear="2023" box="[979,1149,1418,1444]" class="Bacillariophyceae" family="Neidiaceae" genus="Neidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="191" phylum="Ochrophyta" rank="species" species="borari">
<emphasis id="B96DEAB25443C10A20B132AB4E05CEA1" box="[979,1149,1418,1444]" italics="true" pageId="6" pageNumber="191">Neidium borari</emphasis>
</taxonomicName>
and
<taxonomicName id="4C194D235443C10A27CF32AB4BC0CECD" authority="Hamilton et al. (2019: 48)" authorityName="Hamilton" authorityPageNumber="48" authorityYear="2019" class="Bacillariophyceae" family="Neidiaceae" genus="Neidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="191" phylum="Ochrophyta" rank="species" species="vandusenense">
<emphasis id="B96DEAB25443C10A27CF32AB4FD4CEA1" box="[1197,1452,1418,1444]" italics="true" pageId="6" pageNumber="191">Neidium vandusenense</emphasis>
<bibRefCitation id="EF884B515443C10A23EA328F4BC0CECD" author="Hamilton, P. B. &amp; Savoie, A. M. &amp; Sayre, C. M. &amp; Skibbe, O. &amp; Zimmermann, J. &amp; Bull, D. B." box="[136,440,1454,1481]" pageId="6" pageNumber="191" pagination="39 - 62" refId="ref8225" refString="Hamilton, P. B., Savoie, A. M., Sayre, C. M., Skibbe, O., Zimmermann, J. &amp; Bull, D. B. (2019) Novel Neidium Pfitzer species from western Canada based upon morphology and plastid DNA sequences. Phytotaxa 419 (1): 39 - 62. https: // doi. org / 10.11646 / phytotaxa. 419.1.3" type="journal article" year="2019">
Hamilton
<emphasis id="B96DEAB25443C10A2399328E4B56CECD" box="[251,302,1454,1480]" italics="true" pageId="6" pageNumber="191">et al</emphasis>
. (2019: 48)
</bibRefCitation>
</taxonomicName>
.
<taxonomicName id="4C194D235443C10A22A6328F48BFCECD" box="[452,711,1454,1480]" class="Bacillariophyceae" family="Neidiaceae" genus="Neidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="191" phylum="Ochrophyta" rank="species" species="vandusenense">
<emphasis id="B96DEAB25443C10A22A6328F48BFCECD" box="[452,711,1454,1480]" italics="true" pageId="6" pageNumber="191">Neidium vandusenense</emphasis>
</taxonomicName>
, described from Livingstone Lake in Vancouver,
<collectingCountry id="F30E76305443C10A279D328F4F2ECECD" box="[1279,1366,1454,1480]" name="Canada" pageId="6" pageNumber="191">Canada</collectingCountry>
, differs from
<taxonomicName id="4C194D235443C10A23A732F24B12CEE9" authorityName="A. C. Pereira, J. T. S. Alves, J. P. Kociolek &amp; S. Melo" authorityYear="2023" box="[197,362,1491,1516]" class="Bacillariophyceae" family="Neidiaceae" genus="Neidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="191" phylum="Ochrophyta" rank="species" species="itapariensis">
<emphasis id="B96DEAB25443C10A23A732F24B12CEE9" box="[197,362,1491,1516]" italics="true" pageId="6" pageNumber="191">N. itapariensis</emphasis>
</taxonomicName>
by its greater length and width, finer striae density in 10 µm, apiculate extended apices and three or more longitudinal canals.
<taxonomicName id="4C194D235443C10A22AD32D748C7CD15" box="[463,703,1526,1552]" class="Bacillariophyceae" family="Neidiaceae" genus="Neidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="191" phylum="Ochrophyta" rank="species" species="itaparienses">
<emphasis id="B96DEAB25443C10A22AD32D748C7CD15" box="[463,703,1526,1552]" italics="true" pageId="6" pageNumber="191">Neidium itaparienses</emphasis>
</taxonomicName>
resembles
<taxonomicName id="4C194D235443C10A202232D649D2CD15" authorityName="A. C. Pereira, S. Melo, L. Torgan, R. G. R. Vidal, J. P. Kociolek &amp; J. T. S. Alves" authorityYear="2023" box="[832,938,1526,1552]" class="Bacillariophyceae" family="Neidiaceae" genus="Neidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="191" phylum="Ochrophyta" rank="species" species="borari">
<emphasis id="B96DEAB25443C10A202232D649D2CD15" box="[832,938,1526,1552]" italics="true" pageId="6" pageNumber="191">N. borari</emphasis>
</taxonomicName>
with respect to general valve outline, length, axial and central area, and longitudinal canals. However,
<taxonomicName id="4C194D235443C10A206E313A490DCD31" authorityName="A. C. Pereira, S. Melo, L. Torgan, R. G. R. Vidal, J. P. Kociolek &amp; J. T. S. Alves" authorityYear="2023" box="[780,885,1562,1588]" class="Bacillariophyceae" family="Neidiaceae" genus="Neidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="191" phylum="Ochrophyta" rank="species" species="borari">
<emphasis id="B96DEAB25443C10A206E313A490DCD31" box="[780,885,1562,1588]" italics="true" pageId="6" pageNumber="191">N. borari</emphasis>
</taxonomicName>
is broader and differs by having straight, drop-like shaped proximal raphe endings as well as parallel striae at the center. We summarize the differences between the new species and the most similar taxa in
<tableCitation id="C69B031B5443C10A217F31434809CD79" box="[541,625,1634,1660]" captionStart="TABLE 3" captionStartId="7.[129,204,569,591]" captionText="TABLE 3. Summary morphological and metrics data for the Neidium and compared to closely related taxa." pageId="6" pageNumber="191">Table 3</tableCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>