195 lines
24 KiB
XML
195 lines
24 KiB
XML
<document id="C8AE5042708D201A7D95B7070E40D307" ID-DOI="10.11646/phytotaxa.127.1.11" ID-ISSN="1179-3163" ID-Zenodo-Dep="5085519" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625839351645" checkinUser="felipe" docAuthor="Kociolek, J. P. & Khursevich, G. K." docDate="2013" docId="03905B22FFEAFFC7D0D8AEBF5582FDC2" docLanguage="en" docName="Phytotaxa.127.1.81-99.pdf" docOrigin="Phytotaxa 127 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.127.1.11" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Cyclotella idahica Khursevich & Kociolek 2013, sp. nov." docType="treatment" docVersion="4" lastPageNumber="84" masterDocId="FFA9235AFFE8FFC4D04FAE28563CFFF6" masterDocTitle="Morphology of some fossil lacustrine centric species from the western United States assigned to the genus Cyclotella (Bacillariophyta), including four described as new" masterLastPageNumber="99" masterPageNumber="81" pageNumber="83" updateTime="1698996436949" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:titleInfo id="D5CCD17589FE5A5AA7BDE1CA9C9B8E72">
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<mods:title id="9E0FD7528BBF2996ACA4ABB2C85D2422">Morphology of some fossil lacustrine centric species from the western United States assigned to the genus Cyclotella (Bacillariophyta), including four described as new</mods:title>
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<mods:name id="A6F31B5527C62959A76D1101C3352AB0" type="personal">
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<mods:roleTerm id="41F89F6E8D552BAA5D4376D36A103F75">Author</mods:roleTerm>
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<mods:namePart id="164B003788A11AC76089CC96AF896EA5">Kociolek, J. P.</mods:namePart>
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<mods:affiliation id="48BE304316462C6E1F2BAB97EEA98C5F">University of Colorado Museum of Natural History and Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, 80309, USA</mods:affiliation>
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<mods:name id="7A3BAB6905EFF95998255E3239F45180" type="personal">
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<mods:roleTerm id="1AB74A60C060F28EED137E9695CF8FC9">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="9951C313CC1F3AF54AFA2E6227844DEB">Khursevich, G. K.</mods:namePart>
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<mods:affiliation id="FFD05D99C7E8F4BC1378C300D0726D49">Department of Botany, M. Tank Belarus State Pedagogical University, 18 Sovetskaya Street, 220809 Minsk, Republic of Belarus E? mail: galinakhurs. 41 @ mail. ru</mods:affiliation>
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</mods:name>
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<mods:typeOfResource id="052A24A616BDCF399B22EEAACA32FE4D">text</mods:typeOfResource>
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<mods:title id="2A2A5F0BCC15A188556CD6EE5F331D20">Phytotaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="91B3C7692BABF6C3112ACCFC02486113">
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<mods:date id="9051C6E909DD2D7AF4CF91148C321808">2013</mods:date>
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<mods:number id="C4554ABBF4189503F36E634D7E88896F">2013-08-29</mods:number>
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<mods:number id="9F6AA2E14D356CFD3D54C15E3A2E7A92">127</mods:number>
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<mods:start id="A51DC04E11548A70FCFA3BA0FCF7AF83">81</mods:start>
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<mods:url id="76FD8BC104256B5E79ADFB999DAFB9AE">http://dx.doi.org/10.11646/phytotaxa.127.1.11</mods:url>
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<mods:classification id="E1BDB067D6C11F3DB8C3B6902E3EE3BE">journal article</mods:classification>
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<mods:identifier id="7A8259AC5BFC3BD904918A4BB4D97CCE" type="DOI">10.11646/phytotaxa.127.1.11</mods:identifier>
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<mods:identifier id="93FAC31EBF2C6A8393CD532C5AA3C32F" type="ISSN">1179-3163</mods:identifier>
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<treatment id="03905B22FFEAFFC7D0D8AEBF5582FDC2" LSID="urn:lsid:plazi:treatment:03905B22FFEAFFC7D0D8AEBF5582FDC2" httpUri="http://treatment.plazi.org/id/03905B22FFEAFFC7D0D8AEBF5582FDC2" lastPageId="3" lastPageNumber="84" pageId="2" pageNumber="83">
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<subSubSection id="C323B9BFFFEAFFC6D0D8AEBF55B3FF44" box="[151,911,151,178]" pageId="2" pageNumber="83" type="nomenclature">
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<paragraph id="8B86EA34FFEAFFC6D0D8AEBF55B3FF44" blockId="2.[151,911,151,178]" box="[151,911,151,178]" pageId="2" pageNumber="83">
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<heading id="D0CE5D58FFEAFFC6D0D8AEBF55B3FF44" box="[151,911,151,178]" fontSize="11" level="2" pageId="2" pageNumber="83" reason="3">
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<taxonomicName id="4C3991B7FFEAFFC6D0D8AEBF54B4FF44" authority="Khursevich & Kociolek" authorityName="Khursevich & Kociolek" authorityYear="2013" box="[151,648,151,178]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="2" pageNumber="83" phylum="Ochrophyta" rank="species" species="idahica" status="sp. nov.">
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<emphasis id="B94D3626FFEAFFC6D0D8AEBF5750FF47" bold="true" box="[151,364,151,177]" italics="true" pageId="2" pageNumber="83">Cyclotella idahica</emphasis>
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Khursevich & Kociolek
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</taxonomicName>
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,
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<emphasis id="B94D3626FFEAFFC6D2DBAEB054D1FF44" box="[660,749,152,178]" italics="true" pageId="2" pageNumber="83">
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<taxonomicNameLabel id="A27E8B5DFFEAFFC6D2DBAEB054D1FF44" box="[660,749,152,178]" pageId="2" pageNumber="83" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(
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<figureCitation id="1302F6B1FFEAFFC6D2B4AEB055B9FF44" box="[763,901,152,178]" captionStart-0="FIGURES 1–5" captionStart-1="FIGURES 6–9" captionStartId-0="2.[151,258,1572,1594]" captionStartId-1="3.[151,258,1796,1818]" captionTargetBox-0="[242,1344,557,1533]" captionTargetBox-1="[173,1416,623,1773]" captionTargetId-0="figure-331@2.[242,1344,557,1548]" captionTargetId-1="figure-268@3.[172,1416,622,1775]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionText-0="FIGURES 1–5: Cyclotella idahica. LM. Valve views showing highly undulate valve face. Fig. 2. Holotype. Scale bar = 10 µm." captionText-1="FIGURES 6–9: Cyclotella idahica. SEM. Figures 6, 7, 9. external views. Valve views showing transversely undulate central area with irregularly arranged areolae and covered by bumps. Present are external openings of areolae and short tubes of marginal fultoportulae. Spines and/or spines bases are found on the valve face/mantle junction. Scale bars = 1 µm. Figure 8, internal view. Valve view showing location of one fultoportula on the valve face. Arrow indicates position of the rimportula. Scale bar = 1 µm." figureDoi-0="http://doi.org/10.5281/zenodo.5085523" figureDoi-1="http://doi.org/10.5281/zenodo.5085527" httpUri-0="https://zenodo.org/record/5085523/files/figure.png" httpUri-1="https://zenodo.org/record/5085527/files/figure.png" pageId="2" pageNumber="83">Figures 1–9</figureCitation>
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)
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||
</heading>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C323B9BFFFEAFFC6D0D8AECD53A1FE05" pageId="2" pageNumber="83" type="materials_examined">
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<paragraph id="8B86EA34FFEAFFC6D0D8AECD54AAFEAA" blockId="2.[151,1436,229,348]" pageId="2" pageNumber="83">
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<emphasis id="B94D3626FFEAFFC6D0D8AECD56CEFF0A" bold="true" box="[151,242,229,252]" pageId="2" pageNumber="83">Type:—</emphasis>
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<materialsCitation id="3B51E069FFEAFFC6D0BDAECD53A0FECA" collectionCode="OD, COLO" country="United States of America" county="Section" elevation="8" latitude="44.166668" location="Christmas Valley" longLatPrecision="1139" longitude="-121.8" municipality="Fort Rock" pageId="2" pageNumber="83" specimenCode="COLO 019002" specimenCount="1" stateProvince="Oregon" typeStatus="holotype">
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<collectingCountry id="F32EAAA4FFEAFFC6D0BDAECD5717FF0A" box="[242,299,229,252]" name="United States of America" pageId="2" pageNumber="83">USA</collectingCountry>
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.
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<collectingRegion id="49FD24D6FFEAFFC6D179AECD57B6FF0A" box="[310,394,229,252]" country="United States of America" name="Oregon" pageId="2" pageNumber="83">Oregon</collectingRegion>
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:
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<location id="8EE6BCEFFFEAFFC6D1D8AECD546DFF0A" LSID="urn:lsid:plazi:treatment:03905B22FFEAFFC7D0D8AEBF5582FDC2:8EE6BCEFFFEAFFC6D1D8AECD546DFF0A" box="[407,593,229,252]" country="United States of America" county="Section" latitude="44.166668" longLatPrecision="1139" longitude="-121.8" municipality="Fort Rock" name="Christmas Valley" pageId="2" pageNumber="83" stateProvince="Oregon">Christmas Valley</location>
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,
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<collectingMunicipality id="6BE2704EFFEAFFC6D212AECD54F2FF0A" box="[605,718,229,252]" pageId="2" pageNumber="83">Fort Rock</collectingMunicipality>
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,
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<geoCoordinate id="EE0D8CF3FFEAFFC6D295AECD557BFF0A" box="[730,839,229,252]" degrees="44" direction="north" minutes="10" orientation="latitude" pageId="2" pageNumber="83" precision="925" value="44.166668">44° 10' N</geoCoordinate>
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,
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<geoCoordinate id="EE0D8CF3FFEAFFC6D31CAECD55EDFF0A" box="[851,977,229,252]" degrees="121" direction="west" minutes="48" orientation="longitude" pageId="2" pageNumber="83" precision="925" value="-121.8">121° 48' W</geoCoordinate>
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,
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<collectionCode id="ED2872F1FFEAFFC6D392AECD5238FF0A" box="[989,1028,229,252]" pageId="2" pageNumber="83">OD</collectionCode>
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<collectingCounty id="62E792B8FFEAFFC6D443AECD5260FF0A" box="[1036,1116,229,252]" pageId="2" pageNumber="83">Section</collectingCounty>
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<quantity id="4CC147D1FFEAFFC6D42AAECD5298FF0A" box="[1125,1188,229,252]" metricMagnitude="0" metricUnit="m" metricValue="7.9" pageId="2" pageNumber="83" unit="m" value="7.9">
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<elevation id="00140D07FFEAFFC6D42AAECD5298FF0A" box="[1125,1188,229,252]" metricMagnitude="0" metricUnit="m" metricValue="7.9" pageId="2" pageNumber="83" unit="m" value="7.9">7.9 m</elevation>
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</quantity>
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(see
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<bibRefCitation id="EFA897C5FFEAFFC6D4AFAECD573CFEEA" author="Colbath, G. K. & Steele, M. J." pageId="2" pageNumber="83" pagination="111 - 118" refId="ref6541" refString="Colbath, G. K. & Steele, M. J. (1982) Diatomites-Fort Rock basin. Oregon Geology 44: 111 - 118." type="journal article" year="1982">Colbath & Steele 1982</bibRefCitation>
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), diatomite, collected summer 1981 (Circled specimen (
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||
<figureCitation id="1302F6B1FFEAFFC6D314AF2D55A7FEEA" box="[859,923,261,284]" captionStart="FIGURES 1–5" captionStartId="2.[151,258,1572,1594]" captionTargetBox="[242,1344,557,1533]" captionTargetId="figure-331@2.[242,1344,557,1548]" captionTargetPageId="2" captionText="FIGURES 1–5: Cyclotella idahica. LM. Valve views showing highly undulate valve face. Fig. 2. Holotype. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.5085523" httpUri="https://zenodo.org/record/5085523/files/figure.png" pageId="2" pageNumber="83">Fig. 2</figureCitation>
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||
) on
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||
<emphasis id="B94D3626FFEAFFC6D382AF2C5266FEEA" box="[973,1114,260,284]" italics="true" pageId="2" pageNumber="83">Slide 019002</emphasis>
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||
, material
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||
<emphasis id="B94D3626FFEAFFC6D489AF2C56C0FECA" italics="true" pageId="2" pageNumber="83">Kociolek Collection 0502</emphasis>
|
||
(
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<collectionCode id="ED2872F1FFEAFFC6D143AF0D5762FECA" box="[268,350,293,316]" 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="2" pageNumber="83" type="Herbarium">COLO</collectionCode>
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||
!),
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<emphasis id="B94D3626FFEAFFC6D138AF0D54A0FECA" bold="true" box="[375,668,293,316]" pageId="2" pageNumber="83">
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<typeStatus id="54825496FFEAFFC6D138AF0D57E7FECA" box="[375,475,293,316]" pageId="2" pageNumber="83" type="holotype">holotype</typeStatus>
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||
, designated here
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</emphasis>
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||
; duplicate slide of
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<emphasis id="B94D3626FFEAFFC6D320AF0D5232FECA" box="[879,1038,292,316]" italics="true" pageId="2" pageNumber="83">
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||
<specimenCode id="DB9F424FFFEAFFC6D320AF0D5232FECA" box="[879,1038,292,316]" collectionCode="COLO" 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="2" pageNumber="83" type="Herbarium">COLO 019002</specimenCode>
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||
</emphasis>
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deposited in Khursevich Collection,
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</materialsCitation>
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||
<materialsCitation id="3B51E069FFEAFFC6D088AF6D54ADFEAA" box="[199,657,325,348]" country="Belarus" location="Minsk" pageId="2" pageNumber="83" specimenCount="1" stateProvince="Minsk" typeStatus="holotype">
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<collectingRegion id="49FD24D6FFEAFFC6D088AF6D5732FEAA" box="[199,270,325,348]" country="Belarus" name="Minsk" pageId="2" pageNumber="83">Minsk</collectingRegion>
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,
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<collectingCountry id="F32EAAA4FFEAFFC6D157AF6D5750FEAA" box="[280,364,325,348]" name="Belarus" pageId="2" pageNumber="83">Belarus</collectingCountry>
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||
,
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<emphasis id="B94D3626FFEAFFC6D138AF6D54BAFEAA" bold="true" box="[375,646,325,348]" pageId="2" pageNumber="83">isotype, designated here</emphasis>
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||
)
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</materialsCitation>
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||
.
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||
</paragraph>
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<paragraph id="8B86EA34FFEAFFC6D0D8AFA453A1FE05" blockId="2.[151,1437,396,499]" pageId="2" pageNumber="83">
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||
<emphasis id="B94D3626FFEAFFC6D0D8AFA45420FE50" bold="true" box="[151,540,396,422]" pageId="2" pageNumber="83">Additional material examined:</emphasis>
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||
—
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||
<materialsCitation id="3B51E069FFEAFFC6D274AFA45438FE3A" county="Payette County" location="Willow Creek" pageId="2" pageNumber="83" specimenCount="1" stateProvince="Idaho">
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||
<collectingRegion id="49FD24D6FFEAFFC6D274AFA45443FE50" box="[571,639,396,422]" country="United States of America" name="Idaho" pageId="2" pageNumber="83">Idaho</collectingRegion>
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||
,
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||
<collectingCounty id="62E792B8FFEAFFC6D2C4AFA45502FE50" box="[651,830,396,422]" pageId="2" pageNumber="83">Payette County</collectingCounty>
|
||
, north bank of
|
||
<location id="8EE6BCEFFFEAFFC6D3A0AFA452A9FE50" LSID="urn:lsid:plazi:treatment:03905B22FFEAFFC7D0D8AEBF5582FDC2:8EE6BCEFFFEAFFC6D3A0AFA452A9FE50" box="[1007,1173,396,422]" county="Payette County" name="Willow Creek" pageId="2" pageNumber="83" stateProvince="Idaho">Willow Creek</location>
|
||
,
|
||
<quantity id="4CC147D1FFEAFFC6D4EEAFA452D7FE50" box="[1185,1259,396,422]" metricMagnitude="4" metricUnit="m" metricValue="2.0" pageId="2" pageNumber="83" unit="km" value="20.0">20 km</quantity>
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||
NE on Willow Road from its intersection with
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||
</materialsCitation>
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||
<materialsCitation id="3B51E069FFEAFFC6D244AF9A55BFFE05" collectionCode="T, R" collectorName="S. Van Landingham. Diatomite & Poison Creek Formation" location="Poison Creek" pageId="2" pageNumber="83" specimenCount="10" stateProvince="Idaho">
|
||
<collectingRegion id="49FD24D6FFEAFFC6D244AF9A5471FE3A" box="[523,589,434,460]" country="United States of America" name="Idaho" pageId="2" pageNumber="83">Idaho</collectingRegion>
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||
highway 52, near center sec. 4,
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||
<collectionCode id="ED2872F1FFEAFFC6D386AF9A55E2FE3A" box="[969,990,434,460]" name="Tavera, Department of Geology and Geophysics" pageId="2" pageNumber="83">T</collectionCode>
|
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.
|
||
<specimenCount id="9D3F21BDFFEAFFC6D3ADAF9A5231FE3A" box="[994,1037,434,460]" pageId="2" pageNumber="83" type="generic">8N.</specimenCount>
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||
,
|
||
<collectionCode id="ED2872F1FFEAFFC6D455AF9A520CFE3A" box="[1050,1072,434,460]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="2" pageNumber="83">R</collectionCode>
|
||
.
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||
<specimenCount id="9D3F21BDFFEAFFC6D47CAF9A525AFE3A" box="[1075,1126,434,460]" pageId="2" pageNumber="83" type="generic">2W.</specimenCount>
|
||
, coll.
|
||
<collectorName id="26CC8FE2FFEAFFC6D4E2AF9A5736FE05" pageId="2" pageNumber="83">S. Van Landingham. Diatomite</collectorName>
|
||
is from
|
||
<collectorName id="26CC8FE2FFEAFFC6D128AFF15443FE05" box="[359,639,473,499]" pageId="2" pageNumber="83">
|
||
<location id="8EE6BCEFFFEAFFC6D128AFF1543DFE05" LSID="urn:lsid:plazi:treatment:03905B22FFEAFFC7D0D8AEBF5582FDC2:8EE6BCEFFFEAFFC6D128AFF1543DFE05" box="[359,513,473,499]" name="Poison Creek" pageId="2" pageNumber="83" stateProvince="Idaho">Poison Creek</location>
|
||
Formation
|
||
</collectorName>
|
||
in the lower portion of
|
||
</materialsCitation>
|
||
<collectingRegion id="49FD24D6FFEAFFC6D3C6AFF155F7FE05" box="[905,971,473,499]" country="United States of America" name="Idaho" pageId="2" pageNumber="83">Idaho</collectingRegion>
|
||
Group, age approximately 11 to 12 mya.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF46BABCFFEAFFC6D0D8A80C5350F9CC" ID-DOI="http://doi.org/10.5281/zenodo.5085523" ID-Zenodo-Dep="5085523" box="[151,1388,1572,1594]" httpUri="https://zenodo.org/record/5085523/files/figure.png" pageId="2" pageNumber="83" startId="2.[151,258,1572,1594]" targetBox="[242,1344,557,1533]" targetPageId="2">
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<paragraph id="8B86EA34FFEAFFC6D0D8A80C5350F9CC" blockId="2.[151,1388,1572,1594]" box="[151,1388,1572,1594]" pageId="2" pageNumber="83">
|
||
<emphasis id="B94D3626FFEAFFC6D0D8A80C5717F9CC" bold="true" box="[151,299,1572,1594]" pageId="2" pageNumber="83">FIGURES 1–5</emphasis>
|
||
:
|
||
<taxonomicName id="4C3991B7FFEAFFC6D177A80D57D4F9CC" authorityName="Khursevich & Kociolek" authorityYear="2013" box="[312,488,1573,1594]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="2" pageNumber="83" phylum="Ochrophyta" rank="species" species="idahica">
|
||
<emphasis id="B94D3626FFEAFFC6D177A80D57D4F9CC" box="[312,488,1573,1594]" italics="true" pageId="2" pageNumber="83">Cyclotella idahica</emphasis>
|
||
</taxonomicName>
|
||
. LM. Valve views showing highly undulate valve face. Fig. 2. Holotype. Scale bar = 10 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C323B9BFFFEAFFC7D089A8415582FDC2" lastPageId="3" lastPageNumber="84" pageId="2" pageNumber="83" type="description">
|
||
<paragraph id="8B86EA34FFEAFFC7D089A8415536FE6C" blockId="2.[151,1436,1641,2015]" lastBlockId="3.[151,1436,152,564]" lastPageId="3" lastPageNumber="84" pageId="2" pageNumber="83">
|
||
<emphasis id="B94D3626FFEAFFC6D089A841576BF975" bold="true" box="[198,343,1641,1667]" pageId="2" pageNumber="83">Description</emphasis>
|
||
:—Valve outline oval-elliptical, sometimes nearly circular, with several girdle bands. Dimensions of the major axis 8.0–48.0 µm, minor axis 6.5–46.0 µm. Valve surface is divided into two distinct zones. Central zone oval to elongate, transversely undulate, with irregularly arranged areolae, becoming more or less radiate, 7–10/
|
||
<quantity id="4CC147D1FFEAFFC6D1E9A8F557C9F901" box="[422,501,1757,1783]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="83" unit="mm" value="10.0">10 µm</quantity>
|
||
in large specimens only. Areolae with internal domed velum and external foramina. Fultoportulae on the valve face have two to four satellite pores, but those with three satellite pores are located mainly in the concave part of the valve face internally. Fultoportulae with small aperatures externally. External valve face is often covered with bumps. Marginal zone extends from 1/3 to 1/2 of the valve radius, and consists of alveolate striae in fascicles, 7–10/
|
||
<quantity id="4CC147D1FFEAFFC6D3D8A95055D4F864" box="[919,1000,1912,1938]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="83" unit="mm" value="10.0">10 µm</quantity>
|
||
, separated by hyaline interfascicles. Each fascicle consists of 3–4 parallel or slightly wavy rows of small puncta. Puncta number
|
||
<quantity id="4CC147D1FFEAFFC6D4AFA9B6537BF84E" box="[1248,1351,1950,1976]" metricMagnitude="0" metricUnit="m" metricValue="1.27" metricValueMax="1.524" metricValueMin="1.016" pageId="2" pageNumber="83" unit="in" value="50.0" valueMax="60.0" valueMin="40.0">40–60 in</quantity>
|
||
<quantity id="4CC147D1FFEAFFC6D500A9B653A0F84E" box="[1359,1436,1950,1976]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="83" unit="mm" value="10.0">10 µm</quantity>
|
||
measured radially, in small specimens. In large specimens, 5–6 puncta at the margin become bi- or triseriate on the valve face. Striae fascicles are all of the same length. A ring of marginal chambers can be observed internally. Adjacent chambers are divided by thicker costae. Each chamber encompasses mostly 2 or 3 alveolar openings separated by thinner costae bearing marginal fultoportulae with 3 satellite pores, 4–6/
|
||
<quantity id="4CC147D1FFEBFFC7D531AECD56FFFED0" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="3" pageNumber="84" unit="mm" value="10.0">10 µm</quantity>
|
||
. Externally marginal fultoportulae are represented by short tubes, which are often broken. A single rimoportula with a slit oriented radially or subradially occurs in association with a thinner costa. The rimoportula has a small external opening. Spines are irregular in number, being located on the interfascicles at the margin. Granules occur along the mantle edge.
|
||
</paragraph>
|
||
<paragraph id="8B86EA34FFEBFFC7D089AF8E5582FDC2" blockId="3.[151,1436,152,564]" pageId="3" pageNumber="84">
|
||
<taxonomicName id="4C3991B7FFEBFFC7D089AF8E57A2FE36" authorityName="Khursevich & Kociolek" authorityYear="2013" box="[198,414,422,448]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="3" pageNumber="84" phylum="Ochrophyta" rank="species" species="idahica">
|
||
<emphasis id="B94D3626FFEBFFC7D089AF8E57A2FE36" box="[198,414,422,448]" italics="true" pageId="3" pageNumber="84">Cyclotella idahica</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C3991B7FFEBFFC7D277AF8E5587FE36" authority="McLaughlin (1992: 96" authorityName="McLaughlin" authorityYear="1992" box="[568,955,422,448]" class="Coscinodiscophyceae" family="Stephanodiscaceae" genus="Cyclotella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Thalassiosirales" pageId="3" pageNumber="84" phylum="Ochrophyta" rank="species" species="jonesii">
|
||
<emphasis id="B94D3626FFEBFFC7D277AF8E5494FE36" box="[568,680,422,448]" italics="true" pageId="3" pageNumber="84">C. jonesii</emphasis>
|
||
<bibRefCitation id="EFA897C5FFEBFFC7D2E0AF8E5587FE36" author="McLaughlin, R. B." box="[687,955,422,448]" pageId="3" pageNumber="84" pagination="95 - 101" refId="ref7681" refString="McLaughlin, R. B. (1992) Cyclotella jonesii, a new diatom species from Pliocene deposits at Chiloquin, Oregon, U. S. A. Diatom Research 7: 95 - 101. http: // dx. doi. org / 10.1080 / 0269249 X. 1992.9705200" type="journal article" year="1992">McLaughlin (1992: 96</bibRefCitation>
|
||
</taxonomicName>
|
||
, figs 1–11; see
|
||
<figureCitation id="1302F6B1FFEBFFC7D420AF8E52CFFE36" box="[1135,1267,422,448]" captionStart-0="FIGURES 70–71" captionStart-1="FIGURES 72–77" captionStartId-0="14.[151,258,1932,1954]" captionStartId-1="15.[151,258,1806,1828]" captionTargetBox-0="[365,1222,197,1908]" captionTargetBox-1="[220,1376,197,1790]" captionTargetId-0="figure-48@14.[365,1222,197,1908]" captionTargetId-1="figure-167@15.[220,1376,197,1790]" captionTargetPageId-0="14" captionTargetPageId-1="15" captionText-0="FIGURES 70–71: Cyclotella jonesii. LM. Figure 70 is of Morphotype 1. Figure 71 is of Morphotype 2. Scale bars = 10 µm." captionText-1="FIGURES 72–77: Cyclotella jonesii. SEM. Figures 72, 73. External valve views of Morphotype 1. Fascicles are comprised of fine areolae, while the tangentially undulate center has larger areolae. Marginal fultoportulae have tubular external openings, located on or about every other costa. Scale bars = 10 µm, respectively. Figure 74. External valve view of Morphotype 2. Multiseriate fascicles are comprised of areolae much smaller than those in the center of the valve. Scale bar = 2 µm. Figure 75. Internal valve view of Morphotype 1. Thick and thin costa are present. Central areolae are numerous. Scale bar = 10 µm. Figures 76, 77. Internal valve view of Morphotype 2. Marginal fultoportulae are located on recessed costae, and have 3 satellite pores. Central fultoportula is present, situated among scattered areolae with domed cribra. Scale bars = 2, and 1 µm, respectively." figureDoi-0="http://doi.org/10.5281/zenodo.5085552" figureDoi-1="http://doi.org/10.5281/zenodo.5085627" httpUri-0="https://zenodo.org/record/5085552/files/figure.png" httpUri-1="https://zenodo.org/record/5085627/files/figure.png" pageId="3" pageNumber="84">Figs 70–77</figureCitation>
|
||
herein) by the smaller size of the valves, circular or oval valve shape, consistently having valve face fultoportulae, and having more pronounced bumps and granules on the valve face. Despite these differences, the two species share many features and appear to have close phylogenetic affinities.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |