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<document ID-DOI="10.11646/phytotaxa.567.1.2" ID-ISSN="1179-3163" ID-Zenodo-Dep="7137936" checkinTime="1664790539228" checkinUser="plazi" docAuthor="Siver, Peter A., Oddsund, Erik &amp; Lott, Anne M." docDate="2022" docId="9A71879BA34AFFB9FF30F9EDEC1AF9B2" docLanguage="en" docName="phytotaxa.567.1.2.pdf" docOrigin="Phytotaxa 567 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.567.1.2" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.5:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="5" docTitle="Eunotia petasum Siver, Oddsund &amp; Lott 2022, sp. nov." docType="treatment" docVersion="1" lastPageNumber="26" masterDocId="6648FFE3A349FFBCFF8DFFC5ED3AFFC9" masterDocTitle="Descriptions of three new diatom species in the genus Eunotia (Eunotiaceae, Bacillariophyta) from the Eocene Arctic" masterLastPageNumber="35" masterPageNumber="21" pageNumber="24" updateTime="1664887543446" updateUser="jonas" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Descriptions of three new diatom species in the genus Eunotia (Eunotiaceae, Bacillariophyta) from the Eocene Arctic</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Siver, Peter A.</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0001-5956-8889</mods:nameIdentifier>
<mods:affiliation>Connecticut College, Botany Department, New London, CT, U. S. A. 06320 &amp; pasiv @ conncoll. edu; https: // orcid. org / 0000 - 0001 - 5956 - 8889</mods:affiliation>
<mods:nameIdentifier type="email">pasiv@conncoll.edu</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Oddsund, Erik</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0001-9689-8633</mods:nameIdentifier>
<mods:affiliation>Connecticut College, Botany Department, New London, CT, U. S. A. 06320 &amp; eoddsund @ conncoll. edu; https: // orcid. org / 0000 - 0001 - 9689 - 8633</mods:affiliation>
<mods:nameIdentifier type="email">eoddsund@conncoll.edu</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Lott, Anne M.</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0002-7521-1414</mods:nameIdentifier>
<mods:affiliation>Connecticut College, Botany Department, New London, CT, U. S. A. 06320 &amp; aliz @ conncoll. edu; https: // orcid. org / 0000 - 0002 - 7521 - 1414</mods:affiliation>
<mods:nameIdentifier type="email">aliz@conncoll.edu</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>Phytotaxa</mods:title>
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<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-09-30</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>567</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>1</mods:number>
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<mods:extent unit="page">
<mods:start>21</mods:start>
<mods:end>35</mods:end>
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<mods:url>http://dx.doi.org/10.11646/phytotaxa.567.1.2</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.11646/phytotaxa.567.1.2</mods:identifier>
<mods:identifier type="ISSN">1179-3163</mods:identifier>
<mods:identifier type="Zenodo-Dep">7137936</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:9A71879BA34AFFB9FF30F9EDEC1AF9B2" httpUri="http://treatment.plazi.org/id/9A71879BA34AFFB9FF30F9EDEC1AF9B2" lastPageId="5" lastPageNumber="26" pageId="3" pageNumber="24">
<subSubSection box="[189,1165,1576,1603]" pageId="3" pageNumber="24" type="nomenclature">
<paragraph blockId="3.[136,1452,1396,2071]" box="[189,1165,1576,1603]" pageId="3" pageNumber="24">
<taxonomicName authority="Siver, Oddsund &amp; Lott" authorityName="Siver, Oddsund &amp; Lott" authorityYear="2022" box="[189,666,1576,1602]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Eunotiales" pageId="3" pageNumber="24" phylum="Ochrophyta" rank="species" species="petasum" status="sp. nov.">
<emphasis bold="true" box="[189,666,1576,1602]" pageId="3" pageNumber="24">
<emphasis bold="true" box="[189,386,1576,1602]" italics="true" pageId="3" pageNumber="24">Eunotia petasum</emphasis>
Siver, Oddsund &amp; Lott
</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[673,761,1576,1603]" pageId="3" pageNumber="24" rank="species">
<emphasis bold="true" box="[673,754,1576,1602]" italics="true" pageId="3" pageNumber="24">sp. nov</emphasis>
.
</taxonomicNameLabel>
(LM
<figureCitation box="[826,954,1576,1603]" captionStart="FIGURES 1521" captionStartId="5.[136,243,1312,1334]" captionTargetBox="[214,1358,190,1282]" captionTargetId="figure-18@5.[214,1374,190,1288]" captionTargetPageId="5" captionText="FIGURES 1521. LM Micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. Figure 17 is the type specimen circled on slide “GP 15-3-75D, LM5” (CANA 129308). Figure 21 corresponds to the isotype specimen circled on slide “GP 15-3-75 LM4” in P. Sivers collection. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7137942" httpUri="https://zenodo.org/record/7137942/files/figure.png" pageId="3" pageNumber="24">Figs 1521</figureCitation>
, SEM
<figureCitation box="[1030,1157,1576,1602]" captionStart="FIGURES 2227" captionStartId="6.[136,243,1889,1911]" captionTargetBox="[214,1374,317,1839]" captionTargetId="figure-87@6.[214,1374,317,1864]" captionTargetPageId="6" captionText="FIGURES 2227. SEM micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. 22. Dorsal view of a frustule showing the continuation of the striae from the valve face onto the mantle. 23. Ventral view of a valve depicting the raphe and reduced striae, often consisting of only 12 pores. 24. Interior view of a valve showing the continuation of the striae from the dorsal mantle onto the valve face. Striae on the ventral mantle are often reduced to random pores. 25. Exterior view of a valve depicting the narrow and protracted end and the distal raphe fissure. 26, 27. Internal views showing the striae, the open nature of the pores, the protracted apex, and the small rounded helictoglossa. Scale bars = 5 µm (Figs 2226), 10 µm (Fig. 27)." figureDoi="http://doi.org/10.5281/zenodo.7137944" httpUri="https://zenodo.org/record/7137944/files/figure.png" pageId="3" pageNumber="24">Figs 2227</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection lastPageId="4" lastPageNumber="25" pageId="3" pageNumber="24" type="description">
<paragraph blockId="3.[136,1452,1396,2071]" lastBlockId="4.[136,1452,158,364]" lastPageId="4" lastPageNumber="25" pageId="3" pageNumber="24">
<emphasis bold="true" box="[189,365,1612,1638]" pageId="3" pageNumber="24">Description:—</emphasis>
Valves are dorsi-ventral, elongate, widest in the middle of the valve, and becoming tapered and drawn out at the apices forming protracted ends (
<figureCitation box="[681,811,1648,1675]" captionStart="FIGURES 1521" captionStartId="5.[136,243,1312,1334]" captionTargetBox="[214,1358,190,1282]" captionTargetId="figure-18@5.[214,1374,190,1288]" captionTargetPageId="5" captionText="FIGURES 1521. LM Micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. Figure 17 is the type specimen circled on slide “GP 15-3-75D, LM5” (CANA 129308). Figure 21 corresponds to the isotype specimen circled on slide “GP 15-3-75 LM4” in P. Sivers collection. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7137942" httpUri="https://zenodo.org/record/7137942/files/figure.png" pageId="3" pageNumber="24">Figs 1521</figureCitation>
). The ventral margin is concave, becoming slightly linear at the apices. The dorsal margin is more convex relative to the concave ventral margin such that the valve becomes progressively narrower from the center to the apices (
<figureCitation box="[751,885,1720,1746]" captionStart="FIGURES 2227" captionStartId="6.[136,243,1889,1911]" captionTargetBox="[214,1374,317,1839]" captionTargetId="figure-87@6.[214,1374,317,1864]" captionTargetPageId="6" captionText="FIGURES 2227. SEM micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. 22. Dorsal view of a frustule showing the continuation of the striae from the valve face onto the mantle. 23. Ventral view of a valve depicting the raphe and reduced striae, often consisting of only 12 pores. 24. Interior view of a valve showing the continuation of the striae from the dorsal mantle onto the valve face. Striae on the ventral mantle are often reduced to random pores. 25. Exterior view of a valve depicting the narrow and protracted end and the distal raphe fissure. 26, 27. Internal views showing the striae, the open nature of the pores, the protracted apex, and the small rounded helictoglossa. Scale bars = 5 µm (Figs 2226), 10 µm (Fig. 27)." figureDoi="http://doi.org/10.5281/zenodo.7137944" httpUri="https://zenodo.org/record/7137944/files/figure.png" pageId="3" pageNumber="24">Figs 2427</figureCitation>
). Valves range in length from 19.657.6 µm with a mean of 38 µm, and in diameter at the valve center from 2.95.1 µm with a mean of 3.8 µm (n=25). At the apices, valve width ranges from 1.52.2 µm, with a mean of 1.8 µm. The margins of the valve face, especially along the ventral side, are slightly thickened and form right angles with the mantle (
<figureCitation box="[876,1007,1828,1854]" captionStart="FIGURES 2227" captionStartId="6.[136,243,1889,1911]" captionTargetBox="[214,1374,317,1839]" captionTargetId="figure-87@6.[214,1374,317,1864]" captionTargetPageId="6" captionText="FIGURES 2227. SEM micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. 22. Dorsal view of a frustule showing the continuation of the striae from the valve face onto the mantle. 23. Ventral view of a valve depicting the raphe and reduced striae, often consisting of only 12 pores. 24. Interior view of a valve showing the continuation of the striae from the dorsal mantle onto the valve face. Striae on the ventral mantle are often reduced to random pores. 25. Exterior view of a valve depicting the narrow and protracted end and the distal raphe fissure. 26, 27. Internal views showing the striae, the open nature of the pores, the protracted apex, and the small rounded helictoglossa. Scale bars = 5 µm (Figs 2226), 10 µm (Fig. 27)." figureDoi="http://doi.org/10.5281/zenodo.7137944" httpUri="https://zenodo.org/record/7137944/files/figure.png" pageId="3" pageNumber="24">Figs 2324</figureCitation>
). Striae are parallel, widely spaced with 13.519 per 10 µm, a mean of 16 µm, and consist of small, circular areolae that are opened on both the external and internal valve surfaces. Striae are continuous from the valve face onto the dorsal mantle, but may be interrupted and discontinuous with those on the ventral mantle (
<figureCitation box="[670,801,1936,1962]" captionStart="FIGURES 2227" captionStartId="6.[136,243,1889,1911]" captionTargetBox="[214,1374,317,1839]" captionTargetId="figure-87@6.[214,1374,317,1864]" captionTargetPageId="6" captionText="FIGURES 2227. SEM micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. 22. Dorsal view of a frustule showing the continuation of the striae from the valve face onto the mantle. 23. Ventral view of a valve depicting the raphe and reduced striae, often consisting of only 12 pores. 24. Interior view of a valve showing the continuation of the striae from the dorsal mantle onto the valve face. Striae on the ventral mantle are often reduced to random pores. 25. Exterior view of a valve depicting the narrow and protracted end and the distal raphe fissure. 26, 27. Internal views showing the striae, the open nature of the pores, the protracted apex, and the small rounded helictoglossa. Scale bars = 5 µm (Figs 2226), 10 µm (Fig. 27)." figureDoi="http://doi.org/10.5281/zenodo.7137944" httpUri="https://zenodo.org/record/7137944/files/figure.png" pageId="3" pageNumber="24">Figs 2324</figureCitation>
). On smaller valves, the areolae on the ventral mantle may become more randomly spaced, especially below the raphe branches (
<figureCitation box="[924,1009,1972,1998]" captionStart="FIGURES 2227" captionStartId="6.[136,243,1889,1911]" captionTargetBox="[214,1374,317,1839]" captionTargetId="figure-87@6.[214,1374,317,1864]" captionTargetPageId="6" captionText="FIGURES 2227. SEM micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. 22. Dorsal view of a frustule showing the continuation of the striae from the valve face onto the mantle. 23. Ventral view of a valve depicting the raphe and reduced striae, often consisting of only 12 pores. 24. Interior view of a valve showing the continuation of the striae from the dorsal mantle onto the valve face. Striae on the ventral mantle are often reduced to random pores. 25. Exterior view of a valve depicting the narrow and protracted end and the distal raphe fissure. 26, 27. Internal views showing the striae, the open nature of the pores, the protracted apex, and the small rounded helictoglossa. Scale bars = 5 µm (Figs 2226), 10 µm (Fig. 27)." figureDoi="http://doi.org/10.5281/zenodo.7137944" httpUri="https://zenodo.org/record/7137944/files/figure.png" pageId="3" pageNumber="24">Fig. 23</figureCitation>
). The mantle is shallow, approximately 1.52 µm, and the margin slightly thickened around each apex. The proximal end of the raphe commences near the middle of the mantle approximately 1/4 to 1/3 of the valve length from the apex, rises slowly on a linear path to the valve margin, and then bends up and onto the valve face terminating close to the end of the valve (
<figureCitation box="[1255,1388,158,185]" captionStart="FIGURES 2227" captionStartId="6.[136,243,1889,1911]" captionTargetBox="[214,1374,317,1839]" captionTargetId="figure-87@6.[214,1374,317,1864]" captionTargetPageId="6" captionText="FIGURES 2227. SEM micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. 22. Dorsal view of a frustule showing the continuation of the striae from the valve face onto the mantle. 23. Ventral view of a valve depicting the raphe and reduced striae, often consisting of only 12 pores. 24. Interior view of a valve showing the continuation of the striae from the dorsal mantle onto the valve face. Striae on the ventral mantle are often reduced to random pores. 25. Exterior view of a valve depicting the narrow and protracted end and the distal raphe fissure. 26, 27. Internal views showing the striae, the open nature of the pores, the protracted apex, and the small rounded helictoglossa. Scale bars = 5 µm (Figs 2226), 10 µm (Fig. 27)." figureDoi="http://doi.org/10.5281/zenodo.7137944" httpUri="https://zenodo.org/record/7137944/files/figure.png" pageId="4" pageNumber="25">Figs 23, 25</figureCitation>
). The proximal and distal raphe fissures both terminate as small round pores (
<figureCitation box="[924,1053,194,221]" captionStart="FIGURES 2227" captionStartId="6.[136,243,1889,1911]" captionTargetBox="[214,1374,317,1839]" captionTargetId="figure-87@6.[214,1374,317,1864]" captionTargetPageId="6" captionText="FIGURES 2227. SEM micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. 22. Dorsal view of a frustule showing the continuation of the striae from the valve face onto the mantle. 23. Ventral view of a valve depicting the raphe and reduced striae, often consisting of only 12 pores. 24. Interior view of a valve showing the continuation of the striae from the dorsal mantle onto the valve face. Striae on the ventral mantle are often reduced to random pores. 25. Exterior view of a valve depicting the narrow and protracted end and the distal raphe fissure. 26, 27. Internal views showing the striae, the open nature of the pores, the protracted apex, and the small rounded helictoglossa. Scale bars = 5 µm (Figs 2226), 10 µm (Fig. 27)." figureDoi="http://doi.org/10.5281/zenodo.7137944" httpUri="https://zenodo.org/record/7137944/files/figure.png" pageId="4" pageNumber="25">Figs 2325</figureCitation>
). On most specimens, the portion of the mantle below the raphe consists of short striae composed of a few pores, but on some valves the pores are randomly spaced and not organized into distinct striae. Internally, the distal raphe fissure terminates within a small helictoglossa positioned about 1/3 the distance across the valve face (
<figureCitation box="[756,886,302,328]" captionStart="FIGURES 2227" captionStartId="6.[136,243,1889,1911]" captionTargetBox="[214,1374,317,1839]" captionTargetId="figure-87@6.[214,1374,317,1864]" captionTargetPageId="6" captionText="FIGURES 2227. SEM micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. 22. Dorsal view of a frustule showing the continuation of the striae from the valve face onto the mantle. 23. Ventral view of a valve depicting the raphe and reduced striae, often consisting of only 12 pores. 24. Interior view of a valve showing the continuation of the striae from the dorsal mantle onto the valve face. Striae on the ventral mantle are often reduced to random pores. 25. Exterior view of a valve depicting the narrow and protracted end and the distal raphe fissure. 26, 27. Internal views showing the striae, the open nature of the pores, the protracted apex, and the small rounded helictoglossa. Scale bars = 5 µm (Figs 2226), 10 µm (Fig. 27)." figureDoi="http://doi.org/10.5281/zenodo.7137944" httpUri="https://zenodo.org/record/7137944/files/figure.png" pageId="4" pageNumber="25">Figs 2627</figureCitation>
). A single rimoportula is found on one of the valve apices.
</paragraph>
</subSubSection>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7137940" ID-Zenodo-Dep="7137940" httpUri="https://zenodo.org/record/7137940/files/figure.png" pageId="4" pageNumber="25" startId="4.[136,243,1879,1901]" targetBox="[209,1378,389,1843]" targetPageId="4">
<paragraph blockId="4.[136,1452,1879,2081]" pageId="4" pageNumber="25">
<emphasis bold="true" box="[136,303,1879,1901]" pageId="4" pageNumber="25">FIGURES 914.</emphasis>
SEM micrographs of
<taxonomicName authority="Siver &amp; Oddsund &amp; Lott, 2022" authorityName="Siver &amp; Oddsund &amp; Lott" authorityYear="2022" box="[524,708,1879,1901]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Eunotiales" pageId="4" pageNumber="25" phylum="Ochrophyta" rank="species" species="giraffensis" status="sp. nov.">
<emphasis box="[524,708,1879,1901]" italics="true" pageId="4" pageNumber="25">Eunotia giraffensis</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[714,789,1880,1901]" pageId="4" pageNumber="25" rank="species">
<emphasis box="[714,783,1880,1901]" italics="true" pageId="4" pageNumber="25">sp. nov</emphasis>
.
</taxonomicNameLabel>
from the Giraffe Pipe fossil locality. 9, 11. Close-ups of the end of a valve face showing the straight distal raphe end and the closer-spaced striae at the valve apex. 10, 12. Internal views of the helictoglossa and distal raphe end. Note the extended hyaline region surrounding the helictoglossa, thickened margin of the valve around the apex, densely-spaced striae on the mantle below the raphe, and the presence of a rimoportula. 13, 14. Girdle views of the ventral mantle depicting the position of the raphe, hyaline region surrounding the raphe, and the densely-spaced striae on the mantle below the raphe. Scale bars = 2 µm (Figs 912, 14), 3 µm (Fig. 13).
</paragraph>
</caption>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7137942" ID-Zenodo-Dep="7137942" httpUri="https://zenodo.org/record/7137942/files/figure.png" pageId="5" pageNumber="26" startId="5.[136,243,1312,1334]" targetBox="[214,1358,190,1282]" targetPageId="5">
<paragraph blockId="5.[136,1452,1312,1406]" pageId="5" pageNumber="26">
<emphasis bold="true" box="[136,316,1312,1334]" pageId="5" pageNumber="26">FIGURES 1521.</emphasis>
LM Micrographs of
<taxonomicName authority="Siver &amp; Oddsund &amp; Lott, 2022" authorityName="Siver &amp; Oddsund &amp; Lott" authorityYear="2022" box="[527,691,1313,1334]" class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Eunotiales" pageId="5" pageNumber="26" phylum="Ochrophyta" rank="species" species="petasum" status="sp. nov.">
<emphasis box="[527,691,1313,1334]" italics="true" pageId="5" pageNumber="26">Eunotia petasum</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[699,775,1313,1334]" pageId="5" pageNumber="26" rank="species">
<emphasis box="[699,770,1313,1334]" italics="true" pageId="5" pageNumber="26">sp. nov</emphasis>
.
</taxonomicNameLabel>
from the Giraffe Pipe fossil locality. Figure 17 is the type specimen circled on slide “GP 15-3-75D, LM5” (CANA 129308). Figure 21 corresponds to the isotype specimen circled on slide “GP 15-3-75 LM4” in P. Sivers collection. Scale bar = 10 µm.
</paragraph>
</caption>
<subSubSection pageId="5" pageNumber="26" type="materials_examined">
<paragraph blockId="5.[136,1452,1453,2091]" pageId="5" pageNumber="26">
<emphasis bold="true" box="[189,286,1453,1479]" pageId="5" pageNumber="26">Type:—</emphasis>
<materialsCitation collectionCode="GP, CANA" collectorName="de Gras &amp; P. Siver's" country="Canada" county="Lac de Gras" location="Giraffe Pipe" municipality="Rock" pageId="5" pageNumber="26" specimenCode="GP 15-3, 75, CANA 129308" specimenCount="1" stateProvince="Northwest Territories" typeStatus="holotype">
<collectingCountry box="[285,409,1453,1479]" name="Canada" pageId="5" pageNumber="26">CANADA</collectingCountry>
.
<collectingCounty box="[418,552,1453,1479]" pageId="5" pageNumber="26">
Lac
<collectorName box="[467,552,1453,1479]" pageId="5" pageNumber="26">de Gras</collectorName>
</collectingCounty>
kimberlite field region,
<collectingRegion box="[822,1066,1453,1479]" country="Canada" name="Northwest Territories" pageId="5" pageNumber="26">Northwest Territories</collectingRegion>
:
<collectingMunicipality box="[1075,1134,1453,1479]" pageId="5" pageNumber="26">Rock</collectingMunicipality>
specimen sub sampled from section 15-3-75 of the
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core (
<typeStatus box="[589,689,1489,1515]" pageId="5" pageNumber="26">holotype</typeStatus>
circled specimen on slide “
<specimenCode box="[991,1083,1488,1515]" collectionCode="GP" country="Brazil" name="Instituto de Geociencias, Universidade de Sao Paulo" pageId="5" pageNumber="26">GP 15-3</specimenCode>
-
<specimenCode box="[1091,1122,1488,1515]" collectionCode="GP" country="Brazil" name="Instituto de Geociencias, Universidade de Sao Paulo" pageId="5" pageNumber="26">75</specimenCode>
D, LM 5”
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<specimenCode box="[251,420,1525,1551]" collectionCode="CANA" pageId="5" pageNumber="26">CANA 129308</specimenCode>
=
<figureCitation box="[451,534,1525,1551]" captionStart="FIGURES 1521" captionStartId="5.[136,243,1312,1334]" captionTargetBox="[214,1358,190,1282]" captionTargetId="figure-18@5.[214,1374,190,1288]" captionTargetPageId="5" captionText="FIGURES 1521. LM Micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. Figure 17 is the type specimen circled on slide “GP 15-3-75D, LM5” (CANA 129308). Figure 21 corresponds to the isotype specimen circled on slide “GP 15-3-75 LM4” in P. Sivers collection. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7137942" httpUri="https://zenodo.org/record/7137942/files/figure.png" pageId="5" pageNumber="26">Fig. 17</figureCitation>
. Isotype circled specimen on slide labeled “
<specimenCode box="[1026,1120,1524,1551]" collectionCode="GP" country="Brazil" name="Instituto de Geociencias, Universidade de Sao Paulo" pageId="5" pageNumber="26">GP 15-3</specimenCode>
-
<specimenCode box="[1129,1160,1524,1551]" collectionCode="GP" country="Brazil" name="Instituto de Geociencias, Universidade de Sao Paulo" pageId="5" pageNumber="26">75</specimenCode>
LM4”
<collectorName box="[1243,1349,1525,1551]" pageId="5" pageNumber="26">P. Sivers</collectorName>
personal collection =
<figureCitation box="[276,359,1561,1587]" captionStart="FIGURES 1521" captionStartId="5.[136,243,1312,1334]" captionTargetBox="[214,1358,190,1282]" captionTargetId="figure-18@5.[214,1374,190,1288]" captionTargetPageId="5" captionText="FIGURES 1521. LM Micrographs of Eunotia petasum sp. nov. from the Giraffe Pipe fossil locality. Figure 17 is the type specimen circled on slide “GP 15-3-75D, LM5” (CANA 129308). Figure 21 corresponds to the isotype specimen circled on slide “GP 15-3-75 LM4” in P. Sivers collection. Scale bar = 10 µm." figureDoi="http://doi.org/10.5281/zenodo.7137942" httpUri="https://zenodo.org/record/7137942/files/figure.png" pageId="5" pageNumber="26">Fig. 21</figureCitation>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="26" type="etymology">
<paragraph blockId="5.[136,1452,1453,2091]" pageId="5" pageNumber="26">
<emphasis bold="true" box="[189,356,1597,1623]" pageId="5" pageNumber="26">Etymology:—</emphasis>
The name refers to a hat, whereby smaller specimens give the impression of a hat worn, for example, by Napoleon.
</paragraph>
</subSubSection>
</treatment>
</document>