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<document id="FA94DC5A15A5481975DF0CE477B2840C" ID-DOI="10.11646/zootaxa.5493.1.2" ID-ISSN="1175-5326" ID-Zenodo-Dep="13269137" ID-ZooBank="73AD1F0A-EF93-4C95-B749-B703E68003FF" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1723108233264" checkinUser="plazi" docAuthor="Song, Min Ok &amp; Lee, Chang-Ho" docDate="2024" docId="CA6587DAFFEFFFC8FF0CFED41D164D26" docLanguage="en" docName="zootaxa.5493.1.2.pdf" docOrigin="Zootaxa 5493 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5360.3.8" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Philodina undulata Song &amp; Lee, 2024, n. sp." docType="treatment" docUuid="A148F5FB-5587-4328-B7E9-5D03EA3240FA" docUuidSource="ZooBank" docVersion="2" lastPageNumber="46" masterDocId="365CFFA2FFE7FFC2FF9BFFF31C334817" masterDocTitle="Descriptions of three new species of Philodinida (Rotifera, Bdelloidea) from Korea" masterLastPageNumber="54" masterPageNumber="36" pageNumber="44" updateTime="1723108757279" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="BF0DAEA8010FDAC05C5A53858034A0D4">Descriptions of three new species of Philodinida (Rotifera, Bdelloidea) from Korea</mods:title>
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<mods:namePart id="D7849A239F1B26DB6202C6F1D6EBA3A5">Song, Min Ok</mods:namePart>
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<mods:date id="16553852F987C0913F01870511B8DB8B">2024</mods:date>
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<paragraph id="427336CCFFEFFFCAFF0CFED41DFE4956" blockId="8.[151,461,295,358]" box="[151,461,295,322]" pageId="8" pageNumber="44">
<heading id="193B81A0FFEFFFCAFF0CFED41DFE4956" bold="true" box="[151,461,295,322]" fontSize="11" level="1" pageId="8" pageNumber="44" reason="1">
<emphasis id="70B8EADEFFEFFFCAFF0CFED41DFE4956" bold="true" box="[151,461,295,322]" pageId="8" pageNumber="44">
<taxonomicName id="85CC4D4FFFEFFFCAFF0CFED41DB04955" authorityName="Song &amp; Lee" authorityYear="2024" box="[151,387,295,322]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="8" pageNumber="44" phylum="Rotifera" rank="species" species="undulata" status="sp. nov.">
<emphasis id="70B8EADEFFEFFFCAFF0CFED41DB04955" bold="true" box="[151,387,295,322]" italics="true" pageId="8" pageNumber="44">Philodina undulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6B8B57A5FFEFFFCAFE11FED41DFE4956" box="[394,461,295,321]" pageId="8" pageNumber="44" rank="species">n. sp.</taxonomicNameLabel>
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<paragraph id="427336CCFFEFFFCAFF0CFEB81D764972" blockId="8.[151,461,295,358]" box="[151,325,331,358]" pageId="8" pageNumber="44">
<figureCitation id="DAF72A49FFEFFFCAFF0CFEB81D334971" box="[151,256,331,358]" captionStart="FIGURE 5" captionStartId="8.[151,250,1899,1923]" captionTargetBox="[158,1430,743,1868]" captionTargetId="figure-103@8.[151,1436,736,1875]" captionTargetPageId="8" captionText="FIGURE 5. Philodina undulata n. sp. (a) creeping, dorsal view; (b) feeding, dorsal view; (c) foot, spurs and toes, ventral view (scale bars: ab = 50 μm; c = 10 μm)." figureDoi="http://doi.org/10.5281/zenodo.13269149" httpUri="https://zenodo.org/record/13269149/files/figure.png" pageId="8" pageNumber="44">Figures 5</figureCitation>
and
<figureCitation id="DAF72A49FFEFFFCAFEACFEB81D764972" box="[311,325,331,357]" captionStart="FIGURE 6" captionStartId="9.[151,250,1260,1284]" captionTargetBox="[181,1407,181,1236]" captionTargetId="figure-24@9.[181,1407,181,1236]" captionTargetPageId="9" captionText="FIGURE 6. Light microscopy photographs of Philodina undulata n. sp. (a) creeping, dorsal view; (b) feeding, dorsal view; (c) feeding head, neck and antenna, dorsolateral view; (d) feeding head and neck, dorsal view; (e) foot and spurs, ventral view; (f) foot and spurs, lateral view (scale bars: ab = 50 μm; c, ef = 10 μm; d = 20 μm)." figureDoi="http://doi.org/10.5281/zenodo.13269151" httpUri="https://zenodo.org/record/13269151/files/figure.png" pageId="8" pageNumber="44">6</figureCitation>
</paragraph>
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urn:lsid:zoobank.org:act:
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<subSubSection id="0AD66547FFEFFFCAFF0CFE251CE44ADF" pageId="8" pageNumber="44" type="materials_examined">
<paragraph id="427336CCFFEFFFCAFF0CFE251E674A2E" blockId="8.[151,1437,470,712]" pageId="8" pageNumber="44">
<materialsCitation id="F2A43C91FFEFFFCAFF0CFE251E634A2E" country="South Korea" county="Sangju-si" location="On" municipality="Nakdonggang National Institute of Biological Resources" pageId="8" pageNumber="44" specimenCount="2" stateProvince="Gyeongbuk" typeStatus="holotype">
<emphasis id="70B8EADEFFEFFFCAFF0CFE251D8D49E7" bold="true" box="[151,446,470,496]" pageId="8" pageNumber="44">
<typeStatus id="9D77886EFFEFFFCAFF0CFE251D3749E7" box="[151,260,470,496]" pageId="8" pageNumber="44" type="holotype">Holotype</typeStatus>
and
<typeStatus id="9D77886EFFEFFFCAFEDBFE251D8B49E7" box="[320,440,470,496]" pageId="8" pageNumber="44" type="paratype">paratypes</typeStatus>
.
</emphasis>
<location id="47136017FFEFFFCAFE5EFE251DD449E7" LSID="urn:lsid:plazi:treatment:CA6587DAFFEFFFC8FF0CFED41D164D26:47136017FFEFFFCAFE5EFE251DD449E7" box="[453,487,470,496]" country="South Korea" county="Sangju-si" municipality="Nakdonggang National Institute of Biological Resources" name="On" pageId="8" pageNumber="44" stateProvince="Gyeongbuk">On</location>
permanent slides, deposited in the collection of the
<collectingMunicipality id="A217ACB6FFEFFFCAFBAFFE251D894A03" pageId="8" pageNumber="44">Nakdonggang National Institute of Biological Resources</collectingMunicipality>
,
<collectingCounty id="AB124E40FFEFFFCAFE54FE091E0F4A03" box="[463,572,506,532]" pageId="8" pageNumber="44">Sangju-si</collectingCounty>
,
<collectingRegion id="8008F82EFFEFFFCAFDCBFE091F1D4A03" box="[592,814,506,532]" country="South Korea" name="Gyeongbuk" pageId="8" pageNumber="44">Gyeongsangbuk-do</collectingRegion>
,
<collectingCountry id="3ADB765CFFEFFFCAFCD8FE091FB44A03" box="[835,903,506,532]" name="South Korea" pageId="8" pageNumber="44">Korea</collectingCountry>
(
<typeStatus id="9D77886EFFEFFFCAFC3BFE09183B4A03" box="[928,1032,506,532]" pageId="8" pageNumber="44" type="holotype">holotype</typeStatus>
: NNIBRIV59170;
<specimenCount id="54CAFD45FFEFFFCAFB74FE0919AA4A03" box="[1263,1433,506,532]" count="2" pageId="8" pageNumber="44" type="generic" typeStatus="paratype">two paratypes</specimenCount>
: NNIBRIV59171 and NNIBRIV59172)
</materialsCitation>
.
</paragraph>
<paragraph id="427336CCFFEFFFCAFF5CFDB11EAC4A96" blockId="8.[151,1437,470,712]" pageId="8" pageNumber="44">
<emphasis id="70B8EADEFFEFFFCAFF5CFDB11D5A4A4C" bold="true" box="[199,361,577,604]" pageId="8" pageNumber="44">Type locality.</emphasis>
<materialsCitation id="F2A43C91FFEFFFCAFEE9FDB11EA84A96" country="South Korea" county="Gangwon-do" latitude="37.64464" location="Mokgye-ri" longLatPrecision="1" longitude="128.87022" municipality="Gangneung-si" pageId="8" pageNumber="44" specimenCount="1">
<location id="47136017FFEFFFCAFEE9FDB11DDE4A4B" LSID="urn:lsid:plazi:treatment:CA6587DAFFEFFFC8FF0CFED41D164D26:47136017FFEFFFCAFEE9FDB11DDE4A4B" box="[370,493,578,604]" country="South Korea" county="Gangwon-do" latitude="37.64464" longLatPrecision="1" longitude="128.87022" municipality="Gangneung-si" name="Mokgye-ri" pageId="8" pageNumber="44">Mokgye-ri</location>
,
<location id="47136017FFEFFFCAFE60FDB11E8A4A4B" LSID="urn:lsid:plazi:treatment:CA6587DAFFEFFFC8FF0CFED41D164D26:47136017FFEFFFCAFE60FDB11E8A4A4B" box="[507,697,578,604]" country="South Korea" county="Gangwon-do" latitude="37.64464" longLatPrecision="1" longitude="128.87022" municipality="Gangneung-si" name="Wangsan-myeon" pageId="8" pageNumber="44">Wangsan-myeon</location>
,
<collectingMunicipality id="A217ACB6FFEFFFCAFD5CFDB11F544A4B" box="[711,871,578,604]" pageId="8" pageNumber="44">Gangneung-si</collectingMunicipality>
,
<collectingCounty id="AB124E40FFEFFFCAFCEEFDB118394A4B" box="[885,1034,578,604]" pageId="8" pageNumber="44">Gangwon-do</collectingCounty>
,
<collectingCountry id="3ADB765CFFEFFFCAFB83FDB118534A4B" box="[1048,1120,578,604]" name="South Korea" pageId="8" pageNumber="44">Korea</collectingCountry>
. GPS coordinates based on WGS84 datum
<geoCoordinate id="27F8500BFFEFFFCAFEDEFD951DED4A97" box="[325,478,614,640]" degrees="37" direction="north" minutes="38" orientation="latitude" pageId="8" pageNumber="44" precision="1" seconds="40.7" value="37.64464">37°38'40.7&quot;N</geoCoordinate>
/
<geoCoordinate id="27F8500BFFEFFFCAFE6FFD951EA84A96" box="[500,667,614,641]" degrees="128" direction="east" minutes="52" orientation="longitude" pageId="8" pageNumber="44" precision="1" seconds="12.8" value="128.87022">128°52'12.8&quot;E</geoCoordinate>
</materialsCitation>
.
</paragraph>
<paragraph id="427336CCFFEFFFCAFF5CFD7A1CE44ADF" blockId="8.[151,1437,470,712]" pageId="8" pageNumber="44">
<emphasis id="70B8EADEFFEFFFCAFF5CFD7A1D054AB4" bold="true" box="[199,310,649,675]" pageId="8" pageNumber="44">Material.</emphasis>
<specimenCount id="54CAFD45FFEFFFCAFEA5FD791DDE4AB3" box="[318,493,650,676]" count="5" pageId="8" pageNumber="44" type="generic">Five specimens</specimenCount>
sorted out from mosses, collected by Min Ok Song and Chang-Ho Lee on 23 May, 2020.
</paragraph>
</subSubSection>
<caption id="16B36644FFEFFFCAFF0CF8981E264FB0" ID-DOI="http://doi.org/10.5281/zenodo.13269149" ID-Zenodo-Dep="13269149" httpUri="https://zenodo.org/record/13269149/files/figure.png" pageId="8" pageNumber="44" startId="8.[151,250,1899,1923]" targetBox="[158,1430,743,1868]" targetPageId="8" targetType="figure">
<paragraph id="427336CCFFEFFFCAFF0CF8981E264FB0" blockId="8.[151,1436,1899,1959]" pageId="8" pageNumber="44">
<emphasis id="70B8EADEFFEFFFCAFF0CF8981D204F94" bold="true" box="[151,275,1899,1923]" pageId="8" pageNumber="44">FIGURE 5.</emphasis>
<taxonomicName id="85CC4D4FFFEFFFCAFE82F8981DED4F94" authorityName="Song &amp; Lee" authorityYear="2024" box="[281,478,1899,1923]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="8" pageNumber="44" phylum="Rotifera" rank="species" species="undulata" status="sp. nov.">
<emphasis id="70B8EADEFFEFFFCAFE82F8981DED4F94" box="[281,478,1899,1923]" italics="true" pageId="8" pageNumber="44">Philodina undulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6B8B57A5FFEFFFCAFE7FF8981E284F95" box="[484,539,1899,1922]" pageId="8" pageNumber="44" rank="species">n. sp.</taxonomicNameLabel>
(a) creeping, dorsal view; (b) feeding, dorsal view; (c) foot, spurs and toes, ventral view (scale bars: ab = 50 μm; c = 10 μm).
</paragraph>
</caption>
<caption id="16B36644FFEEFFCBFF0CFB1F1FE24D5A" ID-DOI="http://doi.org/10.5281/zenodo.13269151" ID-Zenodo-Dep="13269151" httpUri="https://zenodo.org/record/13269151/files/figure.png" pageId="9" pageNumber="45" startId="9.[151,250,1260,1284]" targetBox="[181,1407,181,1236]" targetPageId="9" targetType="figure">
<paragraph id="427336CCFFEEFFCBFF0CFB1F1FE24D5A" blockId="9.[151,1436,1260,1357]" pageId="9" pageNumber="45">
<emphasis id="70B8EADEFFEEFFCBFF0CFB1F1D204D13" bold="true" box="[151,275,1260,1284]" pageId="9" pageNumber="45">FIGURE 6.</emphasis>
Light microscopy photographs of
<taxonomicName id="85CC4D4FFFEEFFCBFDE9FB1F1F054D13" authorityName="Song &amp; Lee" authorityYear="2024" box="[626,822,1260,1284]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="species" species="undulata" status="sp. nov.">
<emphasis id="70B8EADEFFEEFFCBFDE9FB1F1F054D13" box="[626,822,1260,1284]" italics="true" pageId="9" pageNumber="45">Philodina undulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6B8B57A5FFEEFFCBFCA7FB1E1F404D13" box="[828,883,1261,1284]" pageId="9" pageNumber="45" rank="species">n. sp.</taxonomicNameLabel>
(a) creeping, dorsal view; (b) feeding, dorsal view; (c) feeding head, neck and antenna, dorsolateral view; (d) feeding head and neck, dorsal view; (e) foot and spurs, ventral view; (f) foot and spurs, lateral view (scale bars: ab = 50 μm; c, ef = 10 μm; d = 20 μm).
</paragraph>
</caption>
<subSubSection id="0AD66547FFEEFFC8FF5CFA6D1E7548EE" lastPageId="10" lastPageNumber="46" pageId="9" pageNumber="45" type="diagnosis">
<paragraph id="427336CCFFEEFFCBFF5CFA6D1DF54E87" blockId="9.[151,1437,1438,2041]" pageId="9" pageNumber="45">
<emphasis id="70B8EADEFFEEFFCBFF5CFA6D1DFC4DAF" bold="true" box="[199,463,1438,1464]" pageId="9" pageNumber="45">Differential diagnosis.</emphasis>
This new species appears to be similar to
<taxonomicName id="85CC4D4FFFEEFFCBFC2CFA6D19674DAE" authority="Donner, 1965" authorityName="Donner" authorityYear="1965" box="[951,1364,1438,1465]" class="Eurotatoria" family="Habrotrochidae" genus="Habrotrocha" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="subSpecies" species="lata" subSpecies="lens">
<emphasis id="70B8EADEFFEEFFCBFC2CFA6D18824DAF" box="[951,1201,1438,1464]" italics="true" pageId="9" pageNumber="45">Habrotrocha lata lens</emphasis>
<bibRefCitation id="265D4B3DFFEEFFCBFB22FA6C19674DAE" author="Donner, J." box="[1209,1364,1438,1465]" pageId="9" pageNumber="45" refId="ref6851" refString="Donner, J. (1965) Ordnung Bdelloidea (Rotatoria, Radertiere). Akademie-Verlag, Berlin, 297 pp." type="book" year="1965">Donner, 1965</bibRefCitation>
</taxonomicName>
under low magnification (× 100200) because they share some characteristics such as the plump trunk with wavy lateral margins, rump much narrower than trunk, long rostrum, rather cylindrical neck in creeping and long spurs. However, these two species have the different numbers of toes, four in the new species and three in
<taxonomicName id="85CC4D4FFFEEFFCBFB3DF9F8191F4E33" authorityName="Donner" authorityYear="1965" box="[1190,1324,1546,1572]" class="Eurotatoria" family="Habrotrochidae" genus="Habrotrocha" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="subSpecies" species="lata" subSpecies="lens">
<emphasis id="70B8EADEFFEEFFCBFB3DF9F8191F4E33" box="[1190,1324,1546,1572]" italics="true" pageId="9" pageNumber="45">H. lata lens</emphasis>
</taxonomicName>
, which is one of the most important diagnostic characteristics that assigns each species to the different genus,
<taxonomicName id="85CC4D4FFFEEFFCBFB65F9DD195F4E5F" authorityName="Ehrenberg" authorityYear="1830" box="[1278,1388,1582,1608]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="genus">
<emphasis id="70B8EADEFFEEFFCBFB65F9DD195F4E5F" box="[1278,1388,1582,1608]" italics="true" pageId="9" pageNumber="45">Philodina</emphasis>
</taxonomicName>
and
<taxonomicName id="85CC4D4FFFEEFFCBFF0CF9A11D144E7B" authorityName="Bryce" authorityYear="1910" box="[151,295,1618,1644]" class="Eurotatoria" family="Habrotrochidae" genus="Habrotrocha" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="genus">
<emphasis id="70B8EADEFFEEFFCBFF0CF9A11D144E7B" box="[151,295,1618,1644]" italics="true" pageId="9" pageNumber="45">Habrotrocha</emphasis>
</taxonomicName>
, respectively. In addition, there are significant differences in the morphology of the feeding head between these two species.
</paragraph>
<paragraph id="427336CCFFEEFFC8FF5CF9691E7548EE" blockId="9.[151,1437,1438,2041]" lastBlockId="10.[151,1437,150,1329]" lastPageId="10" lastPageNumber="46" pageId="9" pageNumber="45">
This new species is easily distinguished from its congeners by the first trunk pseudosegment expanded anteriorly in feeding as well as the plump trunk that has wavy lateral margins and abruptly tapers to rump in feeding.
<taxonomicName id="85CC4D4FFFEEFFCBFF63F9111EF44EEA" authority="Ehrenberg, 1832" authorityName="Ehrenberg" authorityYear="1832" box="[248,711,1762,1789]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="species" species="megalotrocha">
<emphasis id="70B8EADEFFEEFFCBFF63F9111E3B4EEB" box="[248,520,1762,1788]" italics="true" pageId="9" pageNumber="45">Philodina megalotrocha</emphasis>
Ehrenberg, 1832
</taxonomicName>
also has very round trunk and narrow rump in feeding. However,
<taxonomicName id="85CC4D4FFFEEFFCBFF0CF8F41D7E4F37" authorityName="Ehrenberg" authorityYear="1832" box="[151,333,1798,1824]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="species" species="megalotrocha">
<emphasis id="70B8EADEFFEEFFCBFF0CF8F41D7E4F37" box="[151,333,1798,1824]" italics="true" pageId="9" pageNumber="45">P. megalotrocha</emphasis>
</taxonomicName>
has two eyespots and short feeding head, which are otherwise in this new species.
<taxonomicName id="85CC4D4FFFEEFFCBFB7DF8F51D5B4F53" authority="Milne, 1916" authorityName="Milne" authorityYear="1916" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="subSpecies" species="nitida" subSpecies="nitida">
<emphasis id="70B8EADEFFEEFFCBFB7DF8F51CEB4F53" italics="true" pageId="9" pageNumber="45">Philodina nitida nitida</emphasis>
<bibRefCitation id="265D4B3DFFEEFFCBFF44F8D91D5B4F53" author="Milne, W." box="[223,360,1834,1860]" pageId="9" pageNumber="45" pagination="47 - 83" refId="ref7787" refString="Milne, W. (1916) On the bdelloid Rotifera of South Africa. The journal of the Quekett Microscopical Club, Series 2, 1916, 47 - 83 + 149 - 184. https: // doi. org / 10.5962 / bhl. part. 9295" type="journal article" year="1916">Milne, 1916</bibRefCitation>
</taxonomicName>
is the most similar congener of this new species in the general morphology as well as the partial CO1 sequence (Supplementary
<figureCitation id="DAF72A49FFEEFFCBFE66F8BD1E6D4F7E" box="[509,606,1870,1897]" captionStart="FIGURE 3" captionStartId="6.[151,250,1588,1612]" captionTargetBox="[158,1436,460,1558]" captionTargetId="figure-171@6.[151,1436,453,1565]" captionTargetPageId="6" captionText="FIGURE 3. Habrotrocha microcornis n. sp. (a) creeping, dorsal view; (b) feeding head and neck, dorsal view; (c) foot, spurs and toes, ventral view; (d) light microscopy photograph of feeding head, dorsolateral view (an arrow pointing at a projection on sulcus base); (e) light microscopy photograph of feeding head, dorsal view (an arrow pointing at upper lip) (scale bars: a = 25 μm; b, d, e = 20 μm; c = 10 μm)." figureDoi="http://doi.org/10.5281/zenodo.13269145" httpUri="https://zenodo.org/record/13269145/files/figure.png" pageId="9" pageNumber="45">Figure 3</figureCitation>
). However, this new species can be distinguished from
<emphasis id="70B8EADEFFEEFFCBFB4FF8BC197D4F7F" box="[1236,1358,1870,1896]" italics="true" pageId="9" pageNumber="45">
P. n.
<taxonomicName id="85CC4D4FFFEEFFCBFA96F8BD197D4F7F" authorityName="Milne" authorityYear="1916" box="[1293,1358,1870,1896]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="species" species="nitida">nitida</taxonomicName>
</emphasis>
by the following characteristics: (1)
<taxonomicName id="85CC4D4FFFEEFFCBFE7AF8801E534F9B" authorityName="Song &amp; Lee" authorityYear="2024" box="[481,608,1906,1932]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="species" species="undulata" status="n. sp.">
<emphasis id="70B8EADEFFEEFFCBFE7AF8801E534F9B" box="[481,608,1906,1932]" italics="true" pageId="9" pageNumber="45">P. undulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6B8B57A5FFEEFFCBFDFDF8801E914F9A" box="[614,674,1907,1933]" pageId="9" pageNumber="45" rank="species">n. sp.</taxonomicNameLabel>
doesnt have eyespots, while
<emphasis id="70B8EADEFFEEFFCBFC74F88018544F9B" box="[1007,1127,1906,1932]" italics="true" pageId="9" pageNumber="45">
P. n.
<taxonomicName id="85CC4D4FFFEEFFCBFBBDF88118544F9B" authorityName="Milne" authorityYear="1916" box="[1062,1127,1906,1932]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="species" species="nitida">nitida</taxonomicName>
</emphasis>
has two small eyespots, (2) the ratio of corona width to cingulum width is about 1.05: 11.1:
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<taxonomicName id="85CC4D4FFFEEFFCBFC34F864181C4FA7" authorityName="Song &amp; Lee" authorityYear="2024" box="[943,1071,1942,1968]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="species" species="undulata" status="n. sp.">
<emphasis id="70B8EADEFFEEFFCBFC34F864181C4FA7" box="[943,1071,1942,1968]" italics="true" pageId="9" pageNumber="45">P. undulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6B8B57A5FFEEFFCBFBADF86418464FA6" box="[1078,1141,1943,1969]" pageId="9" pageNumber="45" rank="species">n. sp.</taxonomicNameLabel>
, while it is 1.23: 11.26:
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<emphasis id="70B8EADEFFEEFFCBFF2FF8481D1D4FC3" box="[180,302,1978,2004]" italics="true" pageId="9" pageNumber="45">
P. n.
<taxonomicName id="85CC4D4FFFEEFFCBFF76F8491D1D4FC3" authorityName="Milne" authorityYear="1916" box="[237,302,1978,2004]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="species" species="nitida">nitida</taxonomicName>
</emphasis>
, (3) teeth is 3/
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<taxonomicName id="85CC4D4FFFEEFFCBFD9DF8481EB54FC3" authorityName="Song &amp; Lee" authorityYear="2024" box="[518,646,1978,2004]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="species" species="undulata" status="n. sp.">
<emphasis id="70B8EADEFFEEFFCBFD9DF8481EB54FC3" box="[518,646,1978,2004]" italics="true" pageId="9" pageNumber="45">P. undulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6B8B57A5FFEEFFCBFD16F8481EF84FC2" box="[653,715,1979,2005]" pageId="9" pageNumber="45" rank="species">n. sp.</taxonomicNameLabel>
, while it is 3+1/1+
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<emphasis id="70B8EADEFFEEFFCBFC48F848187F4FC3" box="[979,1100,1978,2004]" italics="true" pageId="9" pageNumber="45">
P. n.
<taxonomicName id="85CC4D4FFFEEFFCBFB90F849187F4FC3" authorityName="Milne" authorityYear="1916" box="[1035,1100,1978,2004]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="species" species="nitida">nitida</taxonomicName>
</emphasis>
, (4) interspace between spurs is about twice as wide as spur base width in
<taxonomicName id="85CC4D4FFFEEFFCBFD16F82C1F3E4FEF" authorityName="Song &amp; Lee" authorityYear="2024" box="[653,781,2014,2040]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="9" pageNumber="45" phylum="Rotifera" rank="species" species="undulata" status="n. sp.">
<emphasis id="70B8EADEFFEEFFCBFD16F82C1F3E4FEF" box="[653,781,2014,2040]" italics="true" pageId="9" pageNumber="45">P. undulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6B8B57A5FFEEFFCBFC8EF82C1F604FEE" box="[789,851,2015,2041]" pageId="9" pageNumber="45" rank="species">n. sp.</taxonomicNameLabel>
, while it is slightly wider than spur base width in
<emphasis id="70B8EADEFFEEFFC8FA13F82C1CC748A6" italics="true" lastPageId="10" lastPageNumber="46" pageId="9" pageNumber="45">
P. n.
<taxonomicName id="85CC4D4FFFEDFFC8FF28FF641CC748A6" authorityName="Milne" authorityYear="1916" box="[179,244,151,177]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="10" pageNumber="46" phylum="Rotifera" rank="species" species="nitida">nitida</taxonomicName>
</emphasis>
, (5) the ratio of head width to rostrum width is 1.7: 12.0:
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<taxonomicName id="85CC4D4FFFEDFFC8FC2CFF64180448A6" authorityName="Song &amp; Lee" authorityYear="2024" box="[951,1079,151,177]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="10" pageNumber="46" phylum="Rotifera" rank="species" species="undulata" status="n. sp.">
<emphasis id="70B8EADEFFEDFFC8FC2CFF64180448A6" box="[951,1079,151,177]" italics="true" pageId="10" pageNumber="46">P. undulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6B8B57A5FFEDFFC8FBA6FF64184948A6" box="[1085,1146,151,177]" pageId="10" pageNumber="46" rank="species">n. sp.</taxonomicNameLabel>
, while it is about 2.3:
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<emphasis id="70B8EADEFFEDFFC8FF0CFF481D3C48C2" box="[151,271,187,213]" italics="true" pageId="10" pageNumber="46">
P. n.
<taxonomicName id="85CC4D4FFFEDFFC8FF55FF481D3C48C2" authorityName="Milne" authorityYear="1916" box="[206,271,187,213]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="10" pageNumber="46" phylum="Rotifera" rank="species" species="nitida">nitida</taxonomicName>
</emphasis>
, and (6) the lateral margins of trunk of
<emphasis id="70B8EADEFFEDFFC8FD5CFF481F0D48C2" box="[711,830,187,213]" italics="true" pageId="10" pageNumber="46">
P. n.
<taxonomicName id="85CC4D4FFFEDFFC8FD66FF481F0D48C2" authorityName="Milne" authorityYear="1916" box="[765,830,187,213]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="10" pageNumber="46" phylum="Rotifera" rank="species" species="nitida">nitida</taxonomicName>
</emphasis>
are not as wavy as those of
<taxonomicName id="85CC4D4FFFEDFFC8FBECFF4818C448C2" authorityName="Song &amp; Lee" authorityYear="2024" box="[1143,1271,187,213]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="10" pageNumber="46" phylum="Rotifera" rank="species" species="undulata" status="n. sp.">
<emphasis id="70B8EADEFFEDFFC8FBECFF4818C448C2" box="[1143,1271,187,213]" italics="true" pageId="10" pageNumber="46">P. undulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="6B8B57A5FFEDFFC8FB66FF48190B48C2" box="[1277,1336,187,213]" pageId="10" pageNumber="46" rank="species">n. sp.</taxonomicNameLabel>
(
<bibRefCitation id="265D4B3DFFEDFFC8FADDFF481CE148EE" author="Donner, J." pageId="10" pageNumber="46" refId="ref6851" refString="Donner, J. (1965) Ordnung Bdelloidea (Rotatoria, Radertiere). Akademie-Verlag, Berlin, 297 pp." type="book" year="1965">Donner 1965</bibRefCitation>
;
<bibRefCitation id="265D4B3DFFEDFFC8FF45FF2C1D5048EE" author="Milne, W." box="[222,355,223,249]" pageId="10" pageNumber="46" pagination="47 - 83" refId="ref7787" refString="Milne, W. (1916) On the bdelloid Rotifera of South Africa. The journal of the Quekett Microscopical Club, Series 2, 1916, 47 - 83 + 149 - 184. https: // doi. org / 10.5962 / bhl. part. 9295" type="journal article" year="1916">Milne 1916</bibRefCitation>
;
<bibRefCitation id="265D4B3DFFEDFFC8FEF4FF2C1E0948EE" author="Song, M. O. &amp; Lee, C. - H." box="[367,570,223,249]" pageId="10" pageNumber="46" pagination="115 - 121" refId="ref8674" refString="Song, M. O. &amp; Lee, C. - H. (2023) Four bdelloid rotifers new to Korea. Journal of Species Research, 12, 115 - 121." type="journal article" year="2023">Song &amp; Lee 2023</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="0AD66547FFEDFFC8FF5CFEF118744CD2" pageId="10" pageNumber="46" type="description">
<paragraph id="427336CCFFEDFFC8FF5CFEF11D3D4C06" blockId="10.[151,1437,150,1329]" pageId="10" pageNumber="46">
<emphasis id="70B8EADEFFEDFFC8FF5CFEF11D6A490B" bold="true" box="[199,345,258,284]" pageId="10" pageNumber="46">Description.</emphasis>
No eyespots. Trunk lightly granulated. Rostrum fingertip-shaped and slightly longer than its width; rostrum narrower than head width in creeping; the ratio of head width to rostrum width in creeping 1.7: 12.0: 1. Rostral lamella bilobed and with narrow interspace; each lobe round and small; interspace narrower than each lobe width; with radial cilia. Corona very slightly wider than cingulum; the ratio of corona width to cingulum width 1.05: 11.1: 1. Trochal discs slightly inclined inwardly; base of sensory hair hemispherical and rather big. Pedicel short; big hump on inner half of pedicel dorsally. Sulcus much narrower than pedicel width; the ratio of pedicel width to sulcus width about 1.5: 1. Disc retractor V-shaped and with round base (
<figureCitation id="DAF72A49FFEDFFC8FBE8FE2818F549E2" box="[1139,1222,475,501]" captionStart="FIGURE 6" captionStartId="9.[151,250,1260,1284]" captionTargetBox="[181,1407,181,1236]" captionTargetId="figure-24@9.[181,1407,181,1236]" captionTargetPageId="9" captionText="FIGURE 6. Light microscopy photographs of Philodina undulata n. sp. (a) creeping, dorsal view; (b) feeding, dorsal view; (c) feeding head, neck and antenna, dorsolateral view; (d) feeding head and neck, dorsal view; (e) foot and spurs, ventral view; (f) foot and spurs, lateral view (scale bars: ab = 50 μm; c, ef = 10 μm; d = 20 μm)." figureDoi="http://doi.org/10.5281/zenodo.13269151" httpUri="https://zenodo.org/record/13269151/files/figure.png" pageId="10" pageNumber="46">Fig. 6d</figureCitation>
). Upper lip arched, rather truncated medially and without median notch; anterior margin rather flat or slightly concave depending on the degree of contraction and relaxation of feeding head; anterolateral margins round; higher or slightly lower than disc retractor base depending on the degree of contraction and relaxation of feeding head; much lower than trochal discs. Each end of cingulum rather convex. Cingulum pad very slightly narrower than cingulum; lateral margins round medially. Antenna long and with two pseudosegments; slightly shorter than height of pseudosegment bearing antenna in creeping. Pharyngeal tube shorter than trophi length both in creeping and in feeding. Teeth 3/3. First trunk pseudosegment expanded anteriorly and abruptly tapering to posterior part in feeding; first trunk pseudosegment flat bowl-shaped in frontal view anteriorly; trunk rather cylindrical in creeping and spindle-shaped in feeding; lateral margins wavy; granulated longitudinal ridges wavy except middle ones; trunk abruptly tapering to rump posteriorly. Rump much narrower than greatest trunk width especially in feeding; slightly constricted anteriorly and then gradually tapering to foot in creeping; plump medially in feeding. Foot narrower than rump and tapering gradually to pseudosegment bearing toes; with four pseudosegments; foot short and about 1/6 of total body length in creeping. Four toes thin. Spurs finger-shaped, thin and long; lateral margins of spurs gradually tapering to blunt ends; interspace width much wider than spur base width; the ratio of interspace width to spur base width about 2: 1.
</paragraph>
<paragraph id="427336CCFFEDFFC8FF5CFBE818744CD2" blockId="10.[151,1437,150,1329]" pageId="10" pageNumber="46">
<emphasis id="70B8EADEFFEDFFC8FF5CFBE81D4D4C22" bold="true" box="[199,382,1051,1077]" pageId="10" pageNumber="46">Measurements.</emphasis>
Total length in creeping 174209 μm. Total length in feeding 187200 μm. Rostrum length 1516 μm. Rostrum width 1415 μm. Corona width 4243 μm. Cingulum width 3941 μm. Cingulum pad width 3940 μm. Greatest head width in creeping 2431 μm. Trophi length 1316 μm. Greatest neck width in creeping 2937 μm. Greatest trunk width in creeping 3046 μm. Greatest trunk width in feeding 7073 μm. Greatest rump width in feeding 2627 μm. Foot length in creeping 2836 μm. Spur length 68 μm.
</paragraph>
</subSubSection>
<subSubSection id="0AD66547FFEDFFC8FF5CFB3D1FF04CFE" box="[199,963,1230,1257]" pageId="10" pageNumber="46" type="distribution">
<paragraph id="427336CCFFEDFFC8FF5CFB3D1FF04CFE" blockId="10.[151,1437,150,1329]" box="[199,963,1230,1257]" pageId="10" pageNumber="46">
<emphasis id="70B8EADEFFEDFFC8FF5CFB3D1D524CFF" bold="true" box="[199,353,1230,1256]" pageId="10" pageNumber="46">Distribution.</emphasis>
This new species is known only from its
<typeStatus id="9D77886EFFEDFFC8FCA9FB3C1F514CFE" box="[818,866,1231,1257]" pageId="10" pageNumber="46">type</typeStatus>
locality.
</paragraph>
</subSubSection>
<subSubSection id="0AD66547FFEDFFC8FF5CFB001D164D26" pageId="10" pageNumber="46" type="etymology">
<paragraph id="427336CCFFEDFFC8FF5CFB001D164D26" blockId="10.[151,1437,150,1329]" pageId="10" pageNumber="46">
<emphasis id="70B8EADEFFEDFFC8FF5CFB001D7D4D1A" bold="true" box="[199,334,1267,1293]" pageId="10" pageNumber="46">Etymology.</emphasis>
The specific name
<taxonomicName id="85CC4D4FFFEDFFC8FDB4FB001EA04D1A" authorityName="Song &amp; Lee" authorityYear="2024" box="[559,659,1267,1293]" class="Eurotatoria" family="Philodinidae" genus="Philodina" kingdom="Animalia" order="Bdelloidea" pageId="10" pageNumber="46" phylum="Rotifera" rank="species" species="undulata">
<emphasis id="70B8EADEFFEDFFC8FDB4FB001EA04D1A" box="[559,659,1267,1293]" italics="true" pageId="10" pageNumber="46">undulata</emphasis>
</taxonomicName>
is an adjective, referring to the wavy lateral margins of trunk of the new species.
</paragraph>
</subSubSection>
</treatment>
</document>