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<document id="BFEA20BD9579CADA487902C20107E8B9" ID-DOI="10.12651/JSR.2021.10.3.301" ID-ISSN="2713-8615" ID-Zenodo-Dep="13139003" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1722384532145" checkinUser="felipe" docAuthor="Jung, Atef Omar and Jae-Ho" docDate="2021" docId="D64F9C649004FFE0226DFCD1A615FB34" docLanguage="en" docName="JSpeciesRes.10.3.301-320.pdf" docOrigin="Journal of Species Research 10 (3)" docStyle="DocumentStyle:4D398BFF45FF8CA9E08F546BB06AE372.2:JSpeciesRes.2012-.journal_article" docStyleId="4D398BFF45FF8CA9E08F546BB06AE372" docStyleName="JSpeciesRes.2012-.journal_article" docStyleVersion="2" docTitle="Frontonia atra Butschli 1889" docType="treatment" docVersion="2" lastPageNumber="316" masterDocId="2A76E41C900AFFEF212AFF8EA743FFE4" masterDocTitle="New record of 21 ciliate species (Protozoa, Ciliophora) from South Korea" masterLastPageNumber="320" masterPageNumber="301" pageNumber="315" updateTime="1722385000074" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="D93111F7EEFB80D65454129EB89AC3DC">New record of 21 ciliate species (Protozoa, Ciliophora) from South Korea</mods:title>
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<mods:namePart id="A8D95D430A116E35A370B192AE44AA80">Jung, Atef Omar and Jae-Ho</mods:namePart>
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<mods:date id="D8A57E19A2C7716401E02A5C88EC76B0">2021</mods:date>
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<treatment id="D64F9C649004FFE0226DFCD1A615FB34" LSID="urn:lsid:plazi:treatment:D64F9C649004FFE0226DFCD1A615FB34" httpUri="http://treatment.plazi.org/id/D64F9C649004FFE0226DFCD1A615FB34" lastPageId="15" lastPageNumber="316" pageId="14" pageNumber="315">
<subSubSection id="16FC7EF99004FFE1226DFCD1A2CFFC93" box="[839,1420,863,887]" pageId="14" pageNumber="315" type="nomenclature">
<paragraph id="5E592D729004FFE1226DFCD1A2CFFC93" blockId="14.[839,1420,863,887]" box="[839,1420,863,887]" pageId="14" pageNumber="315">
<heading id="05119A1E9004FFE1226DFCD1A2CFFC93" bold="true" box="[839,1420,863,887]" fontSize="36" level="2" pageId="14" pageNumber="315" reason="3">
<emphasis id="6C92F1609004FFE1226DFCD1A2CFFC93" bold="true" box="[839,1420,863,887]" pageId="14" pageNumber="315">
19.
<taxonomicName id="99E656F19004FFE12245FCD1A2CFFC93" ID-CoL="6JPH2" authority="(Ehrenberg, 1833) Butschli, 1889" authorityName="Butschli" authorityYear="1889" baseAuthorityName="Ehrenberg" baseAuthorityYear="1833" box="[879,1420,863,887]" class="Oligohymenophorea" family="Frontoniidae" genus="Frontonia" kingdom="Chromista" order="Hymenostomatida" pageId="14" pageNumber="315" phylum="Ciliophora" rank="species" species="atra">
<emphasis id="6C92F1609004FFE12245FCD1A351FC93" bold="true" box="[879,1042,863,887]" italics="true" pageId="14" pageNumber="315">Frontonia atra</emphasis>
(Ehrenberg, 1833) Bütschli, 1889
</taxonomicName>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="16FC7EF99004FFE12245FCF1A48DFC73" box="[879,974,895,919]" pageId="14" pageNumber="315" type="description">
<paragraph id="5E592D729004FFE12245FCF1A48DFC73" blockId="14.[879,974,895,919]" box="[879,974,895,919]" pageId="14" pageNumber="315">
<emphasis id="6C92F1609004FFE12245FCF1A48DFC73" bold="true" box="[879,974,895,919]" pageId="14" pageNumber="315">
(
<figureCitation id="C6DD31F79004FFE1225DFCF1A485FC73" box="[887,966,895,919]" captionStart="Fig" captionStartId="14.[174,206,717,739]" captionTargetBox="[215,1411,260,685]" captionTargetId="figure-572@14.[214,1419,259,688]" captionTargetPageId="14" captionText="Fig. 18. Photomicrographs of Frontonia atra from life (A, B), after protargol impregnation (C), and silver carbonate impregnation (D). A, B. Ventral (A) and lateral (B) view showing the body shape, the location of nuclear apparatus. Note the tapered posterior end. C, D. Ventral (C) and ventrolateral(D) view showing the location of the oral apparatus and ciliature. MA, macronucleus; OO, oral opening. Scale bars=50 μm." figureDoi="http://doi.org/10.5281/zenodo.13139043" httpUri="https://zenodo.org/record/13139043/files/figure.png" pageId="14" pageNumber="315">Fig. 18</figureCitation>
)
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="16FC7EF99004FFE1226DFC4EA4C7FBDD" pageId="14" pageNumber="315" type="materials_examined">
<paragraph id="5E592D729004FFE1226DFC4EA4C7FBDD" blockId="14.[839,1448,960,1984]" pageId="14" pageNumber="315">
<emphasis id="6C92F1609004FFE1226DFC4EA36AFC3C" bold="true" box="[839,1065,960,984]" pageId="14" pageNumber="315">Material examined.</emphasis>
<materialsCitation id="EE8E272F9004FFE1251BFC4EA4C3FBDD" collectingDate="2020-07-23" country="South Korea" county="Gangneung" latitude="37.790806" location="Freshwater" longLatPrecision="1" longitude="128.8965" municipality="Gyeongpo Gasiyeon Weblands" pageId="14" pageNumber="315" specimenCount="1">
<location id="5B397BA99004FFE1251BFC4EA3EBFC3C" LSID="urn:lsid:plazi:treatment:D64F9C649004FFE0226DFCD1A615FB34:5B397BA99004FFE1251BFC4EA3EBFC3C" box="[1073,1192,960,984]" country="South Korea" county="Gangneung" latitude="37.790806" longLatPrecision="1" longitude="128.8965" municipality="Gyeongpo Gasiyeon Weblands" name="Freshwater" pageId="14" pageNumber="315">Freshwater</location>
sample collected from
<collectingMunicipality id="BE3DB7089004FFE1226DFC6EA3F4FC1C" box="[839,1207,992,1016]" pageId="14" pageNumber="315">Gyeongpo Gasiyeon Weblands</collectingMunicipality>
,
<collectingCounty id="B73855FE9004FFE125ECFC6EA20DFC1C" box="[1222,1358,992,1016]" pageId="14" pageNumber="315">Gangneung</collectingCounty>
,
<collectingCountry id="26F16DE29004FFE12477FC6FA2E0FC1C" box="[1373,1443,993,1016]" name="South Korea" pageId="14" pageNumber="315">Korea</collectingCountry>
(
<geoCoordinate id="3BD24BB59004FFE12265FB8FA4AAFBFC" box="[847,1001,1023,1049]" degrees="37" direction="north" minutes="47" orientation="latitude" pageId="14" pageNumber="315" precision="1" seconds="26.9" value="37.790806">
37°47
<emphasis id="6C92F1609004FFE122B8FC71A4DBFBFD" bold="true" box="[914,920,1023,1049]" italics="true" pageId="14" pageNumber="315">ʹ</emphasis>
26.9
<emphasis id="6C92F1609004FFE122E2FC71A491FBFD" bold="true" box="[968,978,1023,1049]" italics="true" pageId="14" pageNumber="315">ʺ</emphasis>
N
</geoCoordinate>
,
<geoCoordinate id="3BD24BB59004FFE122DCFB8EA3DBFBFD" box="[1014,1176,1023,1049]" degrees="128" direction="east" minutes="53" orientation="longitude" pageId="14" pageNumber="315" precision="1" seconds="47.4" value="128.8965">
128°53
<emphasis id="6C92F1609004FFE1256CFC71A30FFBFD" bold="true" box="[1094,1100,1023,1049]" italics="true" pageId="14" pageNumber="315">ʹ</emphasis>
47.4
<emphasis id="6C92F1609004FFE12556FC71A3C5FBFD" bold="true" box="[1148,1158,1023,1049]" italics="true" pageId="14" pageNumber="315">ʺ</emphasis>
E
</geoCoordinate>
) Freshwater on
<date id="2A580BB29004FFE12478FB8FA4C3FBDD" pageId="14" pageNumber="315" value="2020-07-23">
<collectingDate id="3A1CF25A9004FFE12478FB8FA4C3FBDD" pageId="14" pageNumber="315" value="2020-07-23">23 July 2020</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="16FC7EF99004FFE1226DFBCFA23DFA5F" pageId="14" pageNumber="315" type="diagnosis">
<paragraph id="5E592D729004FFE1226DFBCFA23DFA5F" blockId="14.[839,1448,960,1984]" pageId="14" pageNumber="315">
<emphasis id="6C92F1609004FFE1226DFBCFA4FFFBBD" bold="true" box="[839,956,1089,1113]" pageId="14" pageNumber="315">Diagnosis.</emphasis>
Size
<emphasis id="6C92F1609004FFE122D3FBCCA301FBBD" box="[1017,1090,1090,1113]" italics="true" pageId="14" pageNumber="315">in vivo</emphasis>
about 150 × 95 μm (n = 5); body ovate to teardrop-shaped, broadly rounded anteriorly and pointed posterior; cytoplasm full of dark pigments possibly depending on food inside food vacuoles; a single contractile vacuole posterior to mid-body; extrusomes numerous and about 10 μm long
<emphasis id="6C92F1609004FFE125EBFB6DA24DFB1E" box="[1217,1294,1251,1274]" italics="true" pageId="14" pageNumber="315">in vivo</emphasis>
, stain darkly after protargol impregnation; macronucleus globular to ellipsoidal near body center; oral apparatus in anterior half of body composed of undulating membrane on right side of oral apparatus and 3 very close peniculae with 5, 4, 4 ciliary rows at left side, a suture extends from oral opening to posterior body end; about 90 ciliary rows.
</paragraph>
</subSubSection>
<subSubSection id="16FC7EF99004FFE1226DFA4AA3EAFA38" box="[839,1193,1476,1500]" pageId="14" pageNumber="315" type="distribution">
<paragraph id="5E592D729004FFE1226DFA4AA3EAFA38" blockId="14.[839,1448,960,1984]" box="[839,1193,1476,1500]" pageId="14" pageNumber="315">
<emphasis id="6C92F1609004FFE1226DFA4AA49AFA38" bold="true" box="[839,985,1476,1500]" pageId="14" pageNumber="315">Distribution.</emphasis>
Europe and
<collectingCountry id="26F16DE29004FFE1254BFA4BA3E5FA38" box="[1121,1190,1477,1500]" name="South Korea" pageId="14" pageNumber="315">Korea</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="16FC7EF99004FFE0226DFA6BA3BDFED9" lastPageId="15" lastPageNumber="316" pageId="14" pageNumber="315" type="discussion">
<paragraph id="5E592D729004FFE1226DFA6BA48FF844" blockId="14.[839,1448,960,1984]" pageId="14" pageNumber="315">
<emphasis id="6C92F1609004FFE1226DFA6BA4F8FA19" bold="true" box="[839,955,1509,1533]" pageId="14" pageNumber="315">Remarks.</emphasis>
The Korean population of
<taxonomicName id="99E656F19004FFE125D0FA6BA2E7FA18" authorityName="Butschli" authorityYear="1889" baseAuthorityName="Ehrenberg" baseAuthorityYear="1833" box="[1274,1444,1509,1532]" class="Oligohymenophorea" family="Frontoniidae" genus="Frontonia" kingdom="Chromista" order="Hymenostomatida" pageId="14" pageNumber="315" phylum="Ciliophora" rank="species" species="atra">
<emphasis id="6C92F1609004FFE125D0FA6BA2E7FA18" box="[1274,1444,1509,1532]" italics="true" pageId="14" pageNumber="315">Frontonia atra</emphasis>
</taxonomicName>
agrees very well with the previously described populations. Regarding the teardrop shape,
<taxonomicName id="99E656F19004FFE125EFF9A8A249F9D9" authorityName="Butschli" authorityYear="1889" baseAuthorityName="Ehrenberg" baseAuthorityYear="1833" box="[1221,1290,1574,1597]" class="Oligohymenophorea" family="Frontoniidae" genus="Frontonia" kingdom="Chromista" order="Hymenostomatida" pageId="14" pageNumber="315" phylum="Ciliophora" rank="species" species="atra">
<emphasis id="6C92F1609004FFE125EFF9A8A249F9D9" box="[1221,1290,1574,1597]" italics="true" pageId="14" pageNumber="315">F. atra</emphasis>
</taxonomicName>
is similar to
<taxonomicName id="99E656F19004FFE124BBF9A8A25EF9B9" authority="(Ehrenberg, 1833) Butschli, 1889" authorityName="Butschli" authorityYear="1889" baseAuthorityName="Ehrenberg" baseAuthorityYear="1833" class="Oligohymenophorea" family="Frontoniidae" genus="Frontonia" kingdom="Chromista" order="Hymenostomatida" pageId="14" pageNumber="315" phylum="Ciliophora" rank="species" species="acuminata">
<emphasis id="6C92F1609004FFE124BBF9A8A4F6F9B9" italics="true" pageId="14" pageNumber="315">F. acuminata</emphasis>
(Ehrenberg, 1833) Bütschli, 1889
</taxonomicName>
and
<taxonomicName id="99E656F19004FFE12478F9C8A354F99A" authority="Foissner, 1987" authorityName="Foissner" authorityYear="1987" class="Hypotrichea" family="Bakuellidae" genus="Birojimia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Urostylida" pageId="14" pageNumber="315" phylum="Ciliophora" rank="species" species="terricola">
<emphasis id="6C92F1609004FFE12478F9C8A437F999" italics="true" pageId="14" pageNumber="315">F. terricola</emphasis>
<bibRefCitation id="3A7750839004FFE12250F9EBA354F99A" author="Foissner, W." box="[890,1047,1637,1662]" pageId="14" pageNumber="315" pagination="217 - 268" refId="ref10778" refString="Foissner, W. 1987. Neue terrestrische und limnische Ciliaten (Protozoa, Ciliophora) aus Osterreich und Deutschland. Sitzungsberichte der Akademie der Wissenschaften, Wien 195: 217 - 268." type="journal article" year="1987">Foissner, 1987</bibRefCitation>
</taxonomicName>
. However, it differs from both species in having larger body size (150 × 95 μm vs. 115 × 75 and 82 × 43 μm) and a higher number of somatic kineties (~90 vs. 55-60 and ~68) (
<bibRefCitation id="3A7750839004FFE1251AF948A3F2F93A" author="Kahl, A." box="[1072,1201,1734,1758]" pageId="14" pageNumber="315" pagination="399 - 650" refId="ref11713" refString="Kahl, A. 1932. Urtiere oder Protozoa I: Wimpertiere oder Ciliata (Infusoria) 3. Spirotricha. Die Tierwelt Deutschlands und der angrenzenden Meeresteile. Gustav Fischer Verlag, Jena, T. 25: 399 - 650." type="book chapter" year="1932">Kahl, 1932</bibRefCitation>
;
<bibRefCitation id="3A7750839004FFE12595F949A43DF91B" author="Dragesco, J. &amp; T. Njine" pageId="14" pageNumber="315" pagination="97 - 140" refId="ref10493" refString="Dragesco, J. and T. Njine. 1971. Complements a la connaissance des cilies libres du Cameroun. Annales de la Faculte des Sciences du Cameroun 7 - 8: 97 - 140." type="book chapter" year="1971">Dragesco and Njine, 1971</bibRefCitation>
;
<bibRefCitation id="3A7750839004FFE122A0F969A266F91A" author="Dragesco, J. &amp; A. Dragesco-Kerneis" box="[906,1317,1766,1791]" pageId="14" pageNumber="315" pagination="1 - 559" refId="ref10419" refString="Dragesco, J. and A. Dragesco-Kerneis. 1986. Cilies libres de l'Afrique intertropicale. Introduction a la connaissance et a l'etude des cilies. Faune tropicale 26: 1 - 559." type="journal article" year="1986">Dragesco and Dragesco-Kernéis, 1986</bibRefCitation>
;
<bibRefCitation id="3A7750839004FFE1241BF969A4EBF8FB" author="Foissner, W. &amp; H. Berger &amp; F. Kohmann" pageId="14" pageNumber="315" pagination="1 - 548" refId="ref11096" refString="Foissner, W., H. Berger and F. Kohmann. 1994. Taxonomische und okologische revision der Ciliaten des saprobiensystems. Band III: Hymenostomata, Prostomatida, Nassulida. Informationssberichte des Bayerischen Landesamtes fur Wasserwirtschaft 1 / 94: 1 - 548." type="journal article" year="1994">
Foissner
<emphasis id="6C92F1609004FFE124BBF969A421F8FB" italics="true" pageId="14" pageNumber="315">et al.</emphasis>
, 1994
</bibRefCitation>
). Further, both
<taxonomicName id="99E656F19004FFE12566F889A269F8FB" authority="Reuter, 1961" authorityName="Reuter" authorityYear="1961" box="[1100,1322,1799,1823]" class="Oligohymenophorea" family="Frontoniidae" genus="Frontonia" kingdom="Chromista" order="Hymenostomatida" pageId="14" pageNumber="315" phylum="Ciliophora" rank="species" species="cana">
<emphasis id="6C92F1609004FFE12566F889A3D9F8FA" box="[1100,1178,1799,1822]" italics="true" pageId="14" pageNumber="315">F. cana</emphasis>
<bibRefCitation id="3A7750839004FFE12588F889A269F8FB" author="Reuter, J." box="[1186,1322,1799,1823]" pageId="14" pageNumber="315" pagination="1 - 42" refId="ref12405" refString="Reuter, J. 1961. Einige faunistische und okologische Beo- bachtungen uber Felsentumpel-Ziliaten. Acta Zoologica Fennica 99: 1 - 42." type="journal article" year="1961">Reuter, 1961</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="99E656F19004FFE12475F889A35CF8DB" authority="Penard, 1922" authorityName="Penard" authorityYear="1922" class="Oligohymenophorea" family="Frontoniidae" genus="Frontonia" kingdom="Chromista" order="Hymenostomatida" pageId="14" pageNumber="315" phylum="Ciliophora" rank="species" species="nigricans">
<emphasis id="6C92F1609004FFE12475F889A4CAF8DB" italics="true" pageId="14" pageNumber="315">F. nigricans</emphasis>
<bibRefCitation id="3A7750839004FFE122B8F8A9A35CF8DB" author="Penard, E." box="[914,1055,1831,1855]" pageId="14" pageNumber="315" refId="ref12381" refString="Penard, E. 1922. Etudes sur les Infusoires d, Eau Douce. Georg &amp; Cie, Geneve: 331 pp." type="book" year="1922">Penard, 1922</bibRefCitation>
</taxonomicName>
have similar coloration in the cytoplasm, and
<taxonomicName id="99E656F19004FFE12295F8C6A378F8BB" authorityName="Penard" authorityYear="1922" box="[959,1083,1864,1887]" class="Oligohymenophorea" family="Frontoniidae" genus="Frontonia" kingdom="Chromista" order="Hymenostomatida" pageId="14" pageNumber="315" phylum="Ciliophora" rank="species" species="nigricans">
<emphasis id="6C92F1609004FFE12295F8C6A378F8BB" box="[959,1083,1864,1887]" italics="true" pageId="14" pageNumber="315">F. nigricans</emphasis>
</taxonomicName>
could be a synonym of
<taxonomicName id="99E656F19004FFE1241DF8C6A23FF8BB" authorityName="Butschli" authorityYear="1889" baseAuthorityName="Ehrenberg" baseAuthorityYear="1833" box="[1335,1404,1864,1887]" class="Oligohymenophorea" family="Frontoniidae" genus="Frontonia" kingdom="Chromista" order="Hymenostomatida" pageId="14" pageNumber="315" phylum="Ciliophora" rank="species" species="atra">
<emphasis id="6C92F1609004FFE1241DF8C6A23FF8BB" box="[1335,1404,1864,1887]" italics="true" pageId="14" pageNumber="315">F. atra</emphasis>
</taxonomicName>
because of the tapered posterior end (
<bibRefCitation id="3A7750839004FFE1259FF8E6A203F864" author="Reuter, J." box="[1205,1344,1896,1920]" pageId="14" pageNumber="315" pagination="1 - 42" refId="ref12405" refString="Reuter, J. 1961. Einige faunistische und okologische Beo- bachtungen uber Felsentumpel-Ziliaten. Acta Zoologica Fennica 99: 1 - 42." type="journal article" year="1961">Reuter, 1961</bibRefCitation>
;
<bibRefCitation id="3A7750839004FFE12461F8E6A483F844" author="Foissner, W. &amp; H. Berger &amp; F. Kohmann" pageId="14" pageNumber="315" pagination="1 - 548" refId="ref11096" refString="Foissner, W., H. Berger and F. Kohmann. 1994. Taxonomische und okologische revision der Ciliaten des saprobiensystems. Band III: Hymenostomata, Prostomatida, Nassulida. Informationssberichte des Bayerischen Landesamtes fur Wasserwirtschaft 1 / 94: 1 - 548." type="journal article" year="1994">
Foissner
<emphasis id="6C92F1609004FFE1226DF807A438F844" box="[839,891,1928,1952]" italics="true" pageId="14" pageNumber="315">et al.</emphasis>
, 1994
</bibRefCitation>
).
</paragraph>
<paragraph id="5E592D729004FFE0226DF826A3BDFED9" blockId="14.[839,1448,960,1984]" lastBlockId="15.[809,1414,261,801]" lastPageId="15" lastPageNumber="316" pageId="14" pageNumber="315">
<emphasis id="6C92F1609004FFE1226DF826A4B6F824" bold="true" box="[839,1013,1960,1984]" pageId="14" pageNumber="315">Voucher slides.</emphasis>
Two slides with protargol-impregnated opening, with a characteristic notch dividing it into 2 parts, the posterior of which is semicircular.
</paragraph>
</subSubSection>
<subSubSection id="16FC7EF99005FFE02203FECBA25DFEB9" box="[809,1310,325,350]" pageId="15" pageNumber="316" type="distribution">
<paragraph id="5E592D729005FFE02203FECBA25DFEB9" blockId="15.[809,1414,261,801]" box="[809,1310,325,350]" pageId="15" pageNumber="316">
<emphasis id="6C92F1609005FFE02203FECBA4F8FEB9" bold="true" box="[809,955,325,349]" pageId="15" pageNumber="316">Distribution.</emphasis>
Europe,
<collectingCountry id="26F16DE29005FFE02536FEC8A318FEB9" box="[1052,1115,326,349]" name="Japan" pageId="15" pageNumber="316">Japan</collectingCountry>
,
<collectingCountry id="26F16DE29005FFE0254CFEC8A3DDFEBA" box="[1126,1182,326,350]" name="United States of America" pageId="15" pageNumber="316">USA</collectingCountry>
, and
<collectingCountry id="26F16DE29005FFE025FCFEC8A258FEB9" box="[1238,1307,326,349]" name="South Korea" pageId="15" pageNumber="316">Korea</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="16FC7EF99005FFE02203FEE8A615FB34" pageId="15" pageNumber="316" type="discussion">
<paragraph id="5E592D729005FFE02203FEE8A316FD25" blockId="15.[809,1414,261,801]" pageId="15" pageNumber="316">
<emphasis id="6C92F1609005FFE02203FEE8A4DBFE9A" bold="true" box="[809,920,358,382]" pageId="15" pageNumber="316">Remarks.</emphasis>
<taxonomicName id="99E656F19005FFE0228AFEE8A3A0FE9A" box="[928,1251,358,382]" class="Oligohymenophorea" family="Histiobalantiidae" genus="Histobalantium" kingdom="Chromista" order="Scuticociliatida" pageId="15" pageNumber="316" phylum="Ciliophora" rank="subSpecies" species="natans" subSpecies="viridis">
<emphasis id="6C92F1609005FFE0228AFEE8A3A0FE9A" box="[928,1251,358,382]" italics="true" pageId="15" pageNumber="316">Histobalantium natans viridis</emphasis>
</taxonomicName>
is well-known species recently redescribed in a comprehensive study by
<bibRefCitation id="3A7750839005FFE02266FE28A372FE5A" author="Foissner, W. &amp; Y. Kusuoka &amp; S. Shimano" box="[844,1073,422,446]" pageId="15" pageNumber="316" pagination="193 - 204" refId="ref11232" refString="Foissner, W., Y. Kusuoka and S. Shimano. 2009. Morphological and molecular characterization of Histiobalantium natans viridis Kahl, 1931 (Ciliophora, Scuticociliatia). European Journal of Protistology 45: 193 - 204." type="journal article" year="2009">
Foissner
<emphasis id="6C92F1609005FFE02284FE29A4A5FE5A" box="[942,998,422,446]" italics="true" pageId="15" pageNumber="316">et al.</emphasis>
(2009)
</bibRefCitation>
from Biwa Lake in
<collectingCountry id="26F16DE29005FFE0243BFE29A212FE5A" box="[1297,1361,423,446]" name="Japan" pageId="15" pageNumber="316">Japan</collectingCountry>
. The Korean population of
<taxonomicName id="99E656F19005FFE0250CFE49A3A5FE3A" box="[1062,1254,454,478]" class="Oligohymenophorea" family="Histiobalantiidae" genus="Histobalantium" kingdom="Chromista" order="Scuticociliatida" pageId="15" pageNumber="316" phylum="Ciliophora" rank="subSpecies" species="natans" subSpecies="viridis">
<emphasis id="6C92F1609005FFE0250CFE49A3A5FE3A" box="[1062,1254,454,478]" italics="true" pageId="15" pageNumber="316">H. natans viridis</emphasis>
</taxonomicName>
matches very well the Japanese population in most features. On the other hand, the European population described by
<bibRefCitation id="3A7750839005FFE0246DFD86A359FDA4" author="Dragesco, J. &amp; F. Iftode" pageId="15" pageNumber="316" pagination="347 - 352" refId="ref10454" refString="Dragesco, J. and F. Iftode. 1972. Histiobalantium natans (Clap. &amp; Lachm., 1858) morphologie, infraciliature, morphogenese (Holotriche Hymenostomatida). Protistologica 8: 347 - 352." type="journal article" year="1972">Dragesco and Iftode (1972)</bibRefCitation>
differs from both the Korean and Japanese (Asian) populations in the structure of membranelles 1 (2 rows of basal bodies vs. 3 rows and with triangular segment anteriorly) (
<bibRefCitation id="3A7750839005FFE025BBFD06A421FD25" author="Dragesco, J. &amp; F. Iftode" pageId="15" pageNumber="316" pagination="347 - 352" refId="ref10454" refString="Dragesco, J. and F. Iftode. 1972. Histiobalantium natans (Clap. &amp; Lachm., 1858) morphologie, infraciliature, morphogenese (Holotriche Hymenostomatida). Protistologica 8: 347 - 352." type="journal article" year="1972">Dragesco and Iftode, 1972</bibRefCitation>
;
<bibRefCitation id="3A7750839005FFE02246FD26A309FD25" author="Foissner, W. &amp; Y. Kusuoka &amp; S. Shimano" box="[876,1098,680,705]" pageId="15" pageNumber="316" pagination="193 - 204" refId="ref11232" refString="Foissner, W., Y. Kusuoka and S. Shimano. 2009. Morphological and molecular characterization of Histiobalantium natans viridis Kahl, 1931 (Ciliophora, Scuticociliatia). European Journal of Protistology 45: 193 - 204." type="journal article" year="2009">
Foissner
<emphasis id="6C92F1609005FFE022E7FD27A340FD24" box="[973,1027,680,704]" italics="true" pageId="15" pageNumber="316">et al.</emphasis>
, 2009
</bibRefCitation>
).
</paragraph>
<paragraph id="5E592D729005FFE02203FD47A218FCC5" blockId="15.[809,1414,261,801]" pageId="15" pageNumber="316">
<emphasis id="6C92F1609005FFE02203FD47A499FD05" bold="true" box="[809,986,713,737]" pageId="15" pageNumber="316">Voucher slides.</emphasis>
One slide with protargol-impregnated specimens was deposited at the Nakdonggang National Institute of Biological Resources (NNIBRPR20137).
</paragraph>
<caption id="0A997DFA9005FFE021BAFC3EA634FBD4" ID-DOI="http://doi.org/10.5281/zenodo.13139045" ID-Zenodo-Dep="13139045" httpUri="https://zenodo.org/record/13139045/files/figure.png" pageId="15" pageNumber="316" startId="15.[144,178,944,966]" targetBox="[252,642,258,914]" targetPageId="15" targetType="figure">
<paragraph id="5E592D729005FFE021BAFC3EA634FBD4" blockId="15.[144,749,944,1073]" pageId="15" pageNumber="316">
<emphasis id="6C92F1609005FFE021BAFC3EA798FC21" bold="true" box="[144,219,944,966]" pageId="15" pageNumber="316">Fig. 19.</emphasis>
Photomicrograph of
<taxonomicName id="99E656F19005FFE02082FC3EA588FC21" authorityName="Kahl" authorityYear="1931" box="[424,715,944,966]" class="Oligohymenophorea" family="Histiobalantiidae" genus="Histiobalantium" kingdom="Chromista" order="Scuticociliatida" pageId="15" pageNumber="316" phylum="Ciliophora" rank="subSpecies" species="natans" subSpecies="viridis">
<emphasis id="6C92F1609005FFE02082FC3EA588FC21" box="[424,715,944,966]" italics="true" pageId="15" pageNumber="316">Histiobalantium natans viridis</emphasis>
</taxonomicName>
after protargol impregnation, left side showing body outline, ciliature, nuclear apparatus, and oral apparatus. M1-3, adoral membranelles; MA, macronuclei; MI, micronucleus; PM, paroral membrane. Scale bar = 20 μm.
</paragraph>
</caption>
<paragraph id="5E592D729005FFE021BAFBF9A615FB34" blockId="15.[144,749,1143,1232]" pageId="15" pageNumber="316">specimens were deposited at the Nakdonggang National Institute of Biological Resources (NNIBRPR20135, NNIBRPR20136).</paragraph>
</subSubSection>
</treatment>
</document>