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<document ID-CLB-Dataset="108060" ID-DOI="http://dx.doi.org/10.3897/zookeys.1115.83266" ID-GBIF-Dataset="310d67f4-8b17-48e3-84e1-e7f6fd328045" ID-PMC="PMC9848874" ID-Pensoft-Pub="1313-2970-1115-1" ID-Pensoft-UUID="1AB765B8065B5504A31014D2B0937E01" ID-PubMed="36761071" ID-ZooBank="C3E233F10EF74D2DBD4AA32AE7C4DF5E" ModsDocID="1313-2970-1115-1" checkinTime="1659044149331" checkinUser="pensoft" docAuthor="Lee, Jimin, Chang, Cheon Young &amp; Kim, Il-Hoi" docDate="2022" docId="E2AA7EA4BF295546A5EDC4D03106245B" docLanguage="en" docName="ZooKeys 1115: 1-71" docOrigin="ZooKeys 1115" docPubDate="2022-07-28" docSource="http://dx.doi.org/10.3897/zookeys.1115.83266" docTitle="Pseudanthessius linguifer Lee &amp; Chang &amp; Kim 2022, sp. nov." docType="treatment" docUuid="99BB54CC-6289-4E0D-9B8C-8D4AE3EF5805" docUuidSource="ZooBank" docVersion="5" id="1AB765B8065B5504A31014D2B0937E01" lastPageNumber="1" masterDocId="1AB765B8065B5504A31014D2B0937E01" masterDocTitle="Symbiotic copepods (Cyclopoida and Siphonostomatoida) collected by light trap from Korea" masterLastPageNumber="71" masterPageNumber="1" pageNumber="1" updateTime="1732655501609" updateUser="ExternalLinkService">
<mods:mods id="CEDB2147AB8E75154D26B61B69A593CB" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="18A57867250FC30B9FCAED6930711C74">
<mods:title id="97385D2F6C14338D519916B10AA871B6">Symbiotic copepods (Cyclopoida and Siphonostomatoida) collected by light trap from Korea</mods:title>
</mods:titleInfo>
<mods:name id="3593C11848AF50610348C206FDBB45FF" type="personal">
<mods:role id="DA871F25CB09D5A06193A3599EB965BD">
<mods:roleTerm id="67CBA9910CBC3ED2D7FBF921129EE7CF">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="89F4157F9FC17C2C5A7B45DF4CC526F2">Lee, Jimin</mods:namePart>
<mods:nameIdentifier id="11CB2C791903A61CCC50D19290463C79" type="ORCID">https://orcid.org/0000-0001-9004-8275</mods:nameIdentifier>
<mods:affiliation id="64C398111BD44BB77337387964139EFF">Marine Ecosystem and Biological Research Center, Korea Institute of Ocean Science &amp; Technology, Busan 49111, Republic of Korea</mods:affiliation>
</mods:name>
<mods:name id="CF7FF006EAE546C1B7ACE4A67D0C79E2" type="personal">
<mods:role id="2AA5EF97CA6ED6542C11B0399C6B4CC8">
<mods:roleTerm id="4F80DB0E6EA81F6975D5165C0438646A">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="4F1D8A9F48D718BE3CEB4944EEAEC86A">Chang, Cheon Young</mods:namePart>
<mods:nameIdentifier id="3BEA4414C47255E6B7383BDA68B54C00" type="ORCID">https://orcid.org/0000-0001-5557-7120</mods:nameIdentifier>
<mods:affiliation id="9B0589006D2E1B80BECB2DCC0AE889A3">Department of Biological Science, Daegu University, Gyeongsan 38453, Republic of Korea</mods:affiliation>
</mods:name>
<mods:name id="3FC3435B85FFA4D4A2F9912A4FBEB41B" type="personal">
<mods:role id="691A46CBD05389580DBA30CFB0D45194">
<mods:roleTerm id="75F6F0FD220CBEE967DE573A48762793">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="6AA5CFC8F011CBAB1FF755986FD1D8F7">Kim, Il-Hoi</mods:namePart>
<mods:nameIdentifier id="CEE39809227058DE190C3321B57EF961" type="ORCID">https://orcid.org/0000-0002-7332-0043</mods:nameIdentifier>
<mods:affiliation id="2133646F5E6B7E284F7C7D0A934EA3AA">Korea Institute of Coastal Ecology, 302 - 802, Seokcheon-ro 397, Bucheon 14449, Republic of Korea</mods:affiliation>
<mods:nameIdentifier id="398427A071EBCB08739627AA7D7AF342" type="email">ihkim@gwnu.ac.kr</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="7A647970B32D4A8ED2DB31A440AC1AA5">text</mods:typeOfResource>
<mods:relatedItem id="9D256B1BF6B07B8469E5421B2785333C" type="host">
<mods:titleInfo id="3ACCDAB234AA7D91626DCB540B8B4D55">
<mods:title id="F0ABD2301698821C91ED534A48A6B90E">ZooKeys</mods:title>
</mods:titleInfo>
<mods:part id="24EBDAE26CA9E5E8C6D2640B859AFB59">
<mods:date id="FC7DD221FA1136BCD33D4DF2672B647A">2022</mods:date>
<mods:detail id="0933B87D1E92CE7D4DCB560E8ECAC79F" type="pubDate">
<mods:number id="93EE28E6A2BE9B9AF1DE2347B9016579">2022-07-28</mods:number>
</mods:detail>
<mods:detail id="2C28A16253C324BD62633D156B02B5EE" type="volume">
<mods:number id="534B8B662AC9D3FBD30936D862005F56">1115</mods:number>
</mods:detail>
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<mods:start id="2F7687AEC1F0189898AEC2AC1720BFA4">1</mods:start>
<mods:end id="EBC7EC7C98E1DF96235C4243F03A2DD3">71</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location id="6413A4293D3DDAB4F0D3C4A74BB60A20">
<mods:url id="E5F616B5A3692299046043BBC853724F">http://dx.doi.org/10.3897/zookeys.1115.83266</mods:url>
</mods:location>
<mods:classification id="8D5004E24E7706C835C34E354D8D1A73">journal article</mods:classification>
<mods:identifier id="50A948FDAA93A1C553ECA6673331E267" type="DOI">http://dx.doi.org/10.3897/zookeys.1115.83266</mods:identifier>
<mods:identifier id="FA381FC7B84997DD3C144F34F50B9CDA" type="Pensoft-Pub">1313-2970-1115-1</mods:identifier>
<mods:identifier id="C33875B5D5FEE501FC7DD4938AA6728E" type="ZooBank">C3E233F10EF74D2DBD4AA32AE7C4DF5E</mods:identifier>
<mods:identifier id="84A248F31417EC82EB803523CE343EAF" type="Pensoft-UUID">1AB765B8065B5504A31014D2B0937E01</mods:identifier>
</mods:mods>
<treatment id="E2AA7EA4BF295546A5EDC4D03106245B" ID-GBIF-Taxon="197867624" LSID="urn:lsid:zoobank.org:act:99BB54CC-6289-4E0D-9B8C-8D4AE3EF5805" httpUri="http://treatment.plazi.org/id/E2AA7EA4BF295546A5EDC4D03106245B" lastPageNumber="1" pageId="0" pageNumber="1" scope_family="Myicolidae" scope_order="Cyclopoida">
<subSubSection id="573427A0771DBD033EE4CACBF4B05AB8" pageId="0" pageNumber="1" type="nomenclature">
<paragraph id="13184097F5F53C3E900CEAD80C95DC75" pageId="0" pageNumber="1">
<taxonomicName id="A8CA6D84BC7C53062E294BC27326FE84" ID-CoL="9GDKJ" LSID="https://zoobank.org/99BB54CC-6289-4E0D-9B8C-8D4AE3EF5805" authority="Lee &amp; Chang &amp; Kim, 2022" authorityName="Lee &amp; Chang &amp; Kim" authorityYear="2022" class="Copepoda" family="Pseudanthessiidae" genus="Pseudanthessius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudanthessius linguifer" order="Cyclopoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="linguifer" status="sp. nov.">Pseudanthessius linguifer</taxonomicName>
<taxonomicNameLabel id="61E1051CF0208FDE7F7D625EDBF1D4B8" pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="32528011A49E41BEA1131118AA5405A1" pageId="0" pageNumber="1" type="description">
<paragraph id="115ABB19FDD78A02885E81B4065FA0FF" pageId="0" pageNumber="1">
<figureCitation id="95E4768A6B71839FDDFF5BF804028355" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">Figs 20</figureCitation>
<figureCitation id="9FA049F008D43185CBBD23C910FEBB93" captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Pseudanthessius linguifer sp. nov., female A maxilla B maxilliped C leg 1 D leg 2 E third endopodal segment of leg 3 F leg 4 G leg 5 and genital aperture, dorsal. Scale bars: 0.02 mm (A, B); 0.05 mm (C-G)." figureDoi="10.3897/zookeys.1115.83266.figure21" httpUri="https://binary.pensoft.net/fig/720741" pageId="0" pageNumber="1">, 21</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="E45D71CC10B14BFE2610E17C1B2A2B3E" pageId="0" pageNumber="1" type="materials_examined">
<paragraph id="FD664059E3BB9DB8B6652AFE97BFCFB2" pageId="0" pageNumber="1">Material examined.</paragraph>
<paragraph id="CE71D86B60C53B0CEEBD80E3FFC3A31C" pageId="0" pageNumber="1">
<materialsCitation id="E1C470B22E051BEF6138805119D7A57F" collectingDate="2021-04-24" collectingDateMax="2021-05-31" collectingDateMin="2021-04-24" collectorName="J. Lee, Site, C. Y. Chang. Dissected, I. - H. Kim." county="Haenam" latitude="34.299168" location="Site" longLatPrecision="19" longitude="126.530556" municipality="Bogil Island" specimenCount="3" specimenCount-female="3" typeStatus="Holotype">
<emphasis id="A8D965F1BBF43054CE1D0FC01254BB34" bold="true" italics="true" pageId="0" pageNumber="1">
<typeStatus id="10B80DEDF37EFC081454497856146F42">Holotype</typeStatus>
</emphasis>
<specimenCount id="1ACD04A5C30124FF862E2EFD1964A646">♀</specimenCount>
(MABIK CR00250120) and intact
<emphasis id="06B6ECE157FC6127C4C0227CAD3B838A" bold="true" italics="true" pageId="0" pageNumber="1">
<typeStatus id="0BDF1A3C0A30B816C928F519607742BC">paratypes</typeStatus>
</emphasis>
<specimenCount id="5AA4616D34DAC369F226FC618A8C6AB8" type="female">3 ♀♀</specimenCount>
(MABIK CR00250121) preserved in 90% alcohol, and
<typeStatus id="AB76767B4AA24F4ED4F489624827AB51">paratype</typeStatus>
<specimenCount id="031FF6A935726B711B542484777BF071">♀</specimenCount>
dissected and mounted on a slide,
<location id="120E40454064D1E94FBC4DB2494AA99A" LSID="urn:lsid:plazi:treatment:E2AA7EA4BF295546A5EDC4D03106245B:120E40454064D1E94FBC4DB2494AA99A" county="Haenam" latitude="34.299168" longLatPrecision="19" longitude="126.530556" municipality="Bogil Island" name="Site">Site</location>
22 (
<location id="099D23DCAF8E60FE7C4C246C65DF1C21" LSID="urn:lsid:plazi:treatment:E2AA7EA4BF295546A5EDC4D03106245B:099D23DCAF8E60FE7C4C246C65DF1C21" county="Haenam" latitude="34.299168" longLatPrecision="19" longitude="126.530556" municipality="Bogil Island" name="Yesong">Yesong</location>
,
<collectingMunicipality id="35C49FA549E55DD5C0E6E2860153E6FE">Bogil Island</collectingMunicipality>
, south coast,
<geoCoordinate id="BDD6FD24043626C499408100BFE1E2E6" degrees="34" direction="north" minutes="08" orientation="latitude" precision="15" seconds="11" value="34.13639">34°08'11&quot;N</geoCoordinate>
,
<geoCoordinate id="6DC07085822810BE649C83C3C443346C" degrees="126" direction="east" minutes="33" orientation="longitude" precision="15" seconds="49" value="126.563614">126°33'49&quot;E</geoCoordinate>
),
<collectingDate id="51231996E653C7C5CFD89DF437E2AFC8" value="2021-05-31">31 May 2021</collectingDate>
, leg.
<collectorName id="D1B4D39557E999011FC71643C7B53615">J. Lee</collectorName>
;
<specimenCount id="3CB4A8C14D7404476BA4406B00392FAB">♀</specimenCount>
dissected and mounted on a slide,
<collectorName id="A4E40D1F8679700EE6ECFD3219CE93D1">Site</collectorName>
23 (
<collectingCounty id="A962F072AF70EC6A4ABBE7AB8D783515">Haenam</collectingCounty>
, south coast,
<geoCoordinate id="20E70AFC8A2AEEA437EAE049AE420C6C" degrees="34" direction="north" minutes="17" orientation="latitude" precision="15" seconds="57" value="34.299168">34°17'57&quot;N</geoCoordinate>
,
<geoCoordinate id="20ED218C06A391ED247A71F161032D35" degrees="126" direction="east" minutes="31" orientation="longitude" precision="15" seconds="50" value="126.530556">126°31'50&quot;E</geoCoordinate>
),
<collectingDate id="4423FF3BBD1433342D658BEDBF9A89AB" value="2021-04-24">24 Apr. 2021</collectingDate>
, leg.
<collectorName id="33C742D08B47C13EB12A3705936A4EFB">J. Lee</collectorName>
and
<collectorName id="D75995182C03E80BAD32DBF0790D8E3B">C. Y. Chang. Dissected</collectorName>
specimens are retained in the collection of
<collectorName id="EDC5AF48A79A5D1000E3AFF8C2D1C5F2">I.-H. Kim.</collectorName>
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="2293FD57213E2515A05FA11F4ED046F2" pageId="0" pageNumber="1" type="description">
<paragraph id="E0B4E8ACF65F829FBBE8CADEDB884F24" pageId="0" pageNumber="1">Description.</paragraph>
<paragraph id="FA3D7FF7D7E8290822649100470B3CC1" pageId="0" pageNumber="1">
<emphasis id="88AE06BC4BE66516350A39FD578CAAAC" bold="true" pageId="0" pageNumber="1">Female.</emphasis>
Body (Fig.
<figureCitation id="42915491848564EE58D588943B4CF0CF" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">20A</figureCitation>
) narrow. Body length of dissected and figured paratype 1.23 mm (length range 1.17-1.32 mm, holotype 1.19 mm). Maximum width 385
<normalizedToken id="47A03EEF9682B63CC9E860DD7D4F0E77" originalValue="μm">μm</normalizedToken>
across cephalothorax. Prosome 727
<normalizedToken id="BEDF225B5E59C882BEEDEDD3330CFC84" originalValue="μm">μm</normalizedToken>
long. Cephalothorax 463
<normalizedToken id="FA9274F24AA0E96DEB00DEF22655983A" originalValue="μm">μm</normalizedToken>
long, distinctly longer than wide, with weak dorsal suture line delimiting cephalosome and first pedigerous somite. Fourth pedigerous somite with point near posterolateral corners; other prosomal somites with rounded corners. Urosome (Fig.
<figureCitation id="782160877F43068A93BFDF3490821FE8" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">20B</figureCitation>
) shorter than prosome, five-segmented. Fifth pedigerous somite 102
<normalizedToken id="4DC5DD19D3DAC11518EE8158405027DB" originalValue="μm">μm</normalizedToken>
wide. Genital double-somite ~ 1.5
<normalizedToken id="CDD4169FAFE0A585E3E532A27242CC8F" originalValue="×">x</normalizedToken>
longer than wide (182
<normalizedToken id="B4A0FAE1404EDF43049F6BC51A09329B" originalValue="×">x</normalizedToken>
123
<normalizedToken id="C579F62D737F16A4276B2EAA79EAA97B" originalValue="μm">μm</normalizedToken>
), consisting of narrow anterior 17%, inflated middle 49%, and narrow posterior 34%; dorsally covered by brownish sticky material; genital apertures characteristically positioned ventrolaterally (Fig.
<figureCitation id="133AD763D9E023EAE3246AC68C6DE642" captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Pseudanthessius linguifer sp. nov., female A maxilla B maxilliped C leg 1 D leg 2 E third endopodal segment of leg 3 F leg 4 G leg 5 and genital aperture, dorsal. Scale bars: 0.02 mm (A, B); 0.05 mm (C-G)." figureDoi="10.3897/zookeys.1115.83266.figure21" httpUri="https://binary.pensoft.net/fig/720741" pageId="0" pageNumber="1">21G</figureCitation>
) at 45% region of double-somite length; broader middle region bearing linguiform process dorsolaterally, posterior to each genital aperture (Fig.
<figureCitation id="F9CECA24B5F5A80F3A727FF0F79E0EE9" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">20C</figureCitation>
); narrow posterior region with four horizontal membranous flanges (Fig.
<figureCitation id="342AF782706E4F0DFFD2DF3CA5D5184F" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">20C</figureCitation>
) on dorsal surface, anterior one short, curved. Three free abdominal somites 45
<normalizedToken id="5AAF979DF5CC3AD62D24DD400A98F734" originalValue="×">x</normalizedToken>
49
<normalizedToken id="DBD895DAD4F8C292374AC24AB6767D99" originalValue="μm">μm</normalizedToken>
, 25
<normalizedToken id="7F40B89744065DCCE5C8BD191D78B369" originalValue="×">x</normalizedToken>
44
<normalizedToken id="631793A301DD0EE9BB2A92EFD920866E" originalValue="μm">μm</normalizedToken>
, and 56
<normalizedToken id="3D49E5E10180293EB23861C55881F704" originalValue="×">x</normalizedToken>
42
<normalizedToken id="1B19BB9556B2E1F2AE4F91AF543D20BF" originalValue="μm">μm</normalizedToken>
, respectively. Anal somite with minute spinules along posteroventral margin. Caudal ramus (Fig.
<figureCitation id="42BB1070A64532AF4A6105A2C7F65294" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">20D</figureCitation>
) elongate, 10
<normalizedToken id="EBE928C81652F77595E06B1D0AF0EF04" originalValue="×">x</normalizedToken>
longer than wide (155
<normalizedToken id="DCCC8DB2CDCE733494EC299C6E7FEFD6" originalValue="×">x</normalizedToken>
15.5
<normalizedToken id="DCC8DC6C7167B0333B73FBFD2B2F1237" originalValue="μm">μm</normalizedToken>
), 2.77
<normalizedToken id="FBE14467253DA0B8EA19E3E5F989A0BC" originalValue="×">x</normalizedToken>
longer than anal somite, armed with six setae (seta II-VII); seta II (outer lateral seta) positioned at 78% length of ramus; setae IV-VI pinnate, other three setae naked.
</paragraph>
<caption id="8F13D2F563D4A59A4FC0BC541EBEBBD0" doi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1" start="Figure 20" startId="F20">
<paragraph id="212E9CD7FC492C901C200864F6F410C5" pageId="0" pageNumber="1">
<emphasis id="5861C934229FA242F8E511CF807E0113" bold="true" pageId="0" pageNumber="1">Figure 20.</emphasis>
<taxonomicName id="748B6178D7AC302BF58D53E46E7062C1" authorityName="Lee &amp; Chang &amp; Kim" authorityYear="2022" class="Copepoda" family="Pseudanthessiidae" genus="Pseudanthessius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudanthessius linguifer" order="Cyclopoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="linguifer">
<emphasis id="8276E761B836BA118386A017DBC7E9A1" italics="true" pageId="0" pageNumber="1">Pseudanthessius linguifer</emphasis>
</taxonomicName>
sp. nov., female
<emphasis id="537F2B684927865D2421AF5F99DD18F8" bold="true" pageId="0" pageNumber="1">A</emphasis>
habitus, dorsal
<emphasis id="CF9ECFDEC1A269117A03D766FD51A7C1" bold="true" pageId="0" pageNumber="1">B</emphasis>
urosome, dorsal
<emphasis id="E3A5DE9BE0246A0B75BCCF5CB3E4B174" bold="true" pageId="0" pageNumber="1">C</emphasis>
proximal somites of urosome, dorsal
<emphasis id="BB1D66692350DDC4A66299BC1F74171E" bold="true" pageId="0" pageNumber="1">D</emphasis>
left caudal ramus, dorsal
<emphasis id="A820C4EA581CD6B6EA5D57F7B0FD4759" bold="true" pageId="0" pageNumber="1">E</emphasis>
rostrum
<emphasis id="3CB16487F4CFCCC96CBB434045C4D50B" bold="true" pageId="0" pageNumber="1">F</emphasis>
antennule
<emphasis id="2ABCF447D3CA582CD104B3749CE8FD4D" bold="true" pageId="0" pageNumber="1">G</emphasis>
antenna
<emphasis id="AFFF304A175395DF0710BC86CF9A8D5B" bold="true" pageId="0" pageNumber="1">H</emphasis>
labrum
<emphasis id="DD9FAED933BF8B802EA3DBF0EE9A0CC8" bold="true" pageId="0" pageNumber="1">I</emphasis>
mandible
<emphasis id="9D2DEB5899CE471268D20911E7BBAB49" bold="true" pageId="0" pageNumber="1">J</emphasis>
maxillule. Scale bars: 0.2 mm (
<emphasis id="EF51F57E3F0E86E273673C9A9E9A34DD" bold="true" pageId="0" pageNumber="1">A</emphasis>
); 0.05 mm (
<emphasis id="8279C09D4E856CC370DD2C4DB3B63A1B" bold="true" pageId="0" pageNumber="1">B- D, F, G</emphasis>
); 0.02 mm (
<emphasis id="6A240BECA00E1F264D9C89BDCDA3ADF5" bold="true" pageId="0" pageNumber="1">E, H-J</emphasis>
).
</paragraph>
</caption>
<paragraph id="71B84211312741F0C98E8BE358077536" pageId="0" pageNumber="1">
Rostrum (Fig.
<figureCitation id="40017B60BE0DDFFC4B3EEC9A9489C783" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">20E</figureCitation>
) tapering, as long as wide, abruptly narrowed subdistally, with round apex. Antennule (Fig.
<figureCitation id="42B10391C66FB5A8480ACC6589FCCCAF" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">20F</figureCitation>
) 295
<normalizedToken id="B960FD591144C433458FD033FC677456" originalValue="μm">μm</normalizedToken>
long, seven-segmented; armature formula 4, 13, 6, 3, 4+aesthetasc, 2+aesthetasc, and 7+aesthetasc; all setae thin, naked; aesthetascs also thin, setiform. Antenna (Fig.
<figureCitation id="239960DEBD14CBE83B2D2019D65C94A7" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">20G</figureCitation>
) four-segmented; first segment (coxobasis) with one seta inner distally; second segment (first endopodal segment) with one seta on inner margin and fine spinules along outer margin; third segment short, armed with one slender claw and two setae; terminal segment 3.28
<normalizedToken id="BFE4A89C84A95E04376B9ED104B92E63" originalValue="×">x</normalizedToken>
long than wide (77
<normalizedToken id="002BE541094D44DA598DEBC074CF4484" originalValue="×">x</normalizedToken>
23
<normalizedToken id="95B7404BAC4511C28736B48D2541CBCB" originalValue="μm">μm</normalizedToken>
), armed with four slender claws (inner and outer claws longer than middle two) plus three setae, and ornamented with fine spinules along outer margin.
</paragraph>
<paragraph id="5B60DFCCDE3FFAB5DB9D6540A8646345" pageId="0" pageNumber="1">
Labrum (Fig.
<figureCitation id="4FFA140E2CA738DE7F015B502DDE4CC9" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">20H</figureCitation>
) with long, divergent posterolateral lobes, with deep median incision; each lobe with angle on inner margin; posterior margin of lobes fringed with membrane. Mandible (Fig.
<figureCitation id="4F219449614D967C5E43691393F74AD7" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">20I</figureCitation>
) with one large, tooth-like outer scale; gnathobase tapering, with row of minute spinules along inner margin, terminating in long, thin lash. Maxillule (Fig.
<figureCitation id="9F8B73A42E925EA2BE8226D94F294526" captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Pseudanthessius linguifer sp. nov., female A habitus, dorsal B urosome, dorsal C proximal somites of urosome, dorsal D left caudal ramus, dorsal E rostrum F antennule G antenna H labrum I mandible J maxillule. Scale bars: 0.2 mm (A); 0.05 mm (B- D, F, G); 0.02 mm (E, H-J)." figureDoi="10.3897/zookeys.1115.83266.figure20" httpUri="https://binary.pensoft.net/fig/720740" pageId="0" pageNumber="1">20J</figureCitation>
) with four unequal setae (three apical and one on inner margin) and one blunt tubercle on outer margin; middle of three distal setae larger than other two. Maxilla (Fig.
<figureCitation id="D5B5A1751349240CD7573F4CC08E044C" captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Pseudanthessius linguifer sp. nov., female A maxilla B maxilliped C leg 1 D leg 2 E third endopodal segment of leg 3 F leg 4 G leg 5 and genital aperture, dorsal. Scale bars: 0.02 mm (A, B); 0.05 mm (C-G)." figureDoi="10.3897/zookeys.1115.83266.figure21" httpUri="https://binary.pensoft.net/fig/720741" pageId="0" pageNumber="1">21A</figureCitation>
) two-segmented; proximal segment (syncoxa) unarmed; distal segment (basis) with extremely long distal lash and armed with two setae (setae I &amp; II); distal lash longer than remaining part maxilla, bearing one large claw-like process proximally, spinulose along convex outer margin; seta I large, slightly longer than half length of distal lash, spinulose along both margins; seta II unequally bifurcate at tip, with setiform outer furca and spinule-like inner furca; seta III absent. Maxilliped (Fig.
<figureCitation id="936264621EB06BD0ADCB7A0176AEA850" captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Pseudanthessius linguifer sp. nov., female A maxilla B maxilliped C leg 1 D leg 2 E third endopodal segment of leg 3 F leg 4 G leg 5 and genital aperture, dorsal. Scale bars: 0.02 mm (A, B); 0.05 mm (C-G)." figureDoi="10.3897/zookeys.1115.83266.figure21" httpUri="https://binary.pensoft.net/fig/720741" pageId="0" pageNumber="1">21B</figureCitation>
) three-segmented; first segment (syncoxa) longest but unarmed; second segment (basis) armed with two very unequal setae (proximal seta large, spiniform, longer than width of segment, more than 4
<normalizedToken id="62AA9FC6AC9B8D1FB56FE0701DC43C4D" originalValue="×">x</normalizedToken>
as long as small distal seta), and ornamented with several longitudinal rows of fine spinules on inner surface; small third segment (endopod) tapering, claw-like, proximally with one spine and one small seta.
</paragraph>
<caption id="2C0E4FA904BA369BD707BCC9BE6450A4" doi="10.3897/zookeys.1115.83266.figure21" httpUri="https://binary.pensoft.net/fig/720741" pageId="0" pageNumber="1" start="Figure 21" startId="F21">
<paragraph id="DB379BD672884068015F4C23381907EB" pageId="0" pageNumber="1">
<emphasis id="A9EC5B421E3A55002403C3E188545B2E" bold="true" pageId="0" pageNumber="1">Figure 21.</emphasis>
<taxonomicName id="6EFBB5336C1E355E93222682D44F7904" authorityName="Lee &amp; Chang &amp; Kim" authorityYear="2022" class="Copepoda" family="Pseudanthessiidae" genus="Pseudanthessius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudanthessius linguifer" order="Cyclopoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="linguifer">
<emphasis id="B4B4AEA55920DE4598DD8BB7724C6AB5" italics="true" pageId="0" pageNumber="1">Pseudanthessius linguifer</emphasis>
</taxonomicName>
sp. nov., female
<emphasis id="E3263E50CC48F428B6225298469CEF84" bold="true" pageId="0" pageNumber="1">A</emphasis>
maxilla
<emphasis id="DFAD563F2D1E1A9E2A02CEDC41956629" bold="true" pageId="0" pageNumber="1">B</emphasis>
maxilliped
<emphasis id="4E0308BFF91149165BC20A559B409778" bold="true" pageId="0" pageNumber="1">C</emphasis>
leg 1
<emphasis id="CAEDA87BAD19D515CA71A03159B04752" bold="true" pageId="0" pageNumber="1">D</emphasis>
leg 2
<emphasis id="FA0638BF8F03F0232BA9F2437863B818" bold="true" pageId="0" pageNumber="1">E</emphasis>
third endopodal segment of leg 3
<emphasis id="41693DB271109845BAE5552F8882F876" bold="true" pageId="0" pageNumber="1">F</emphasis>
leg 4
<emphasis id="382D83FA12029241AB3C950553C19183" bold="true" pageId="0" pageNumber="1">G</emphasis>
leg 5 and genital aperture, dorsal. Scale bars: 0.02 mm (
<emphasis id="58969C1A5A3AE59138B1D814DBDA7F97" bold="true" pageId="0" pageNumber="1">A, B</emphasis>
); 0.05 mm (
<emphasis id="012252F25AE9C0EDB4320727B89A838B" bold="true" pageId="0" pageNumber="1">C-G</emphasis>
).
</paragraph>
</caption>
<paragraph id="51C9661EE072C5D44BE5EB6D46DF2547" pageId="0" pageNumber="1">
Legs 1-4 (Fig.
<figureCitation id="FD1D103A9D84788F3F7423BE531133C9" captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Pseudanthessius linguifer sp. nov., female A maxilla B maxilliped C leg 1 D leg 2 E third endopodal segment of leg 3 F leg 4 G leg 5 and genital aperture, dorsal. Scale bars: 0.02 mm (A, B); 0.05 mm (C-G)." figureDoi="10.3897/zookeys.1115.83266.figure21" httpUri="https://binary.pensoft.net/fig/720741" pageId="0" pageNumber="1">21C-F</figureCitation>
) biramous. Legs 1-3 with three-segmented rami. Leg 4 with three-segmented exopod and one-segmented endopod. Inner coxal seta well-developed, pinnate in legs 1-4. Outer seta on basis thin, naked. Distal process between two distal spines on third endopodal segment of leg 2 blunt, slightly swollen. Three inner distal setae on third exopodal segment of legs 2 and 3 naked. Endopodal segment of leg 4 setulose on inner and outer margins, 2.6
<normalizedToken id="DA78A4C0F5BCF727226CAECB2C7DD915" originalValue="×">x</normalizedToken>
longer than wide (68
<normalizedToken id="05614556474630A361F5E6C466A50415" originalValue="×">x</normalizedToken>
26
<normalizedToken id="60C10D55B025D801CB2364376591888E" originalValue="μm">μm</normalizedToken>
), bearing angle on outer margin; two distal spines 82 (inner) and 61
<normalizedToken id="E2A9091D0F3C260051D44732A370D1FD" originalValue="μm">μm</normalizedToken>
long (outer). Armature formula for legs 1-4 as follows:
</paragraph>
<paragraph id="B728CE38708BF976A662EC01E9EF2A12" pageId="0" pageNumber="1">
<table id="8627EC3F097C3B8FECA672DFC2C1A3A2" pageId="0" pageNumber="1">
<tr id="05C4629DCF545B1DB74ED6E58DA21B48" pageId="0" pageNumber="1">
<td id="3E195CAB8DF5A64F514965E3D62349DF" colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
<td id="4F020E14926142B08AA15D8DCC2E0EAE" colspan="1" pageId="0" pageNumber="1" rowspan="1">Coxa</td>
<td id="931CE4344DCD21E84C39FFB6C36F2F27" colspan="1" pageId="0" pageNumber="1" rowspan="1">Basis</td>
<td id="D5E5980C90CBDB31A4FAD1ED67C66166" colspan="1" pageId="0" pageNumber="1" rowspan="1">Exopod</td>
<td id="7251EE76EED0D14536A222F2B426B922" colspan="1" pageId="0" pageNumber="1" rowspan="1">Endopod</td>
</tr>
<tr id="E543D0AC0A8F5AE2FBEDEC320463AE80" pageId="0" pageNumber="1">
<td id="EC682AFC9F6F334164975EBBE747CEAA" colspan="1" pageId="0" pageNumber="1" rowspan="1">Leg 1</td>
<td id="33F73C82B08816FA11FF3C3AEE827957" colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1</td>
<td id="884DA83821D1B92A5565D5D51A3989B4" colspan="1" pageId="0" pageNumber="1" rowspan="1">1-0</td>
<td id="7A81A4C9247D2BE8EF092C06A65D6C4E" colspan="1" pageId="0" pageNumber="1" rowspan="1">I-0; I-1; III, I, 4</td>
<td id="69501DED4BB96E4373AB33D5F002EEED" colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1; 0-1; I, 1, 4</td>
</tr>
<tr id="EA06773AD32B11602C36B6F5E1600A8B" pageId="0" pageNumber="1">
<td id="9F41E5AF9CFFCD8239889DB5D33F02C9" colspan="1" pageId="0" pageNumber="1" rowspan="1">Leg 2</td>
<td id="A5B70272B15D6F0244AAB2D91AE7799C" colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1</td>
<td id="E15F4E729583BA7D09F31AAA8BE88105" colspan="1" pageId="0" pageNumber="1" rowspan="1">1-0</td>
<td id="9F98DBF2A500C6CD9BCEC7E50D414817" colspan="1" pageId="0" pageNumber="1" rowspan="1">I-0; I-1; III, I, 5</td>
<td id="35393830B3A6D28C503D325D01CCBB9F" colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1; 0-2; I, II, 3</td>
</tr>
<tr id="79ADFCA9A344CA35EA3C7465ABEE5629" pageId="0" pageNumber="1">
<td id="426B24A644468B21B6AABD6DE4DF6641" colspan="1" pageId="0" pageNumber="1" rowspan="1">Leg 3</td>
<td id="4C8C611ECCB56EF60251B950782F451E" colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1</td>
<td id="543E2A1D6D44D24E8539254E343D5322" colspan="1" pageId="0" pageNumber="1" rowspan="1">1-0</td>
<td id="74523A25106318981D644CAD48CD12D8" colspan="1" pageId="0" pageNumber="1" rowspan="1">I-0; I-1; III, I, 5</td>
<td id="4A3575511B86268A798D9076DCFD6658" colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1; 0-2; I, II, 2</td>
</tr>
<tr id="C4FDFB291F0A6BA622A06ECEDE2FC63D" pageId="0" pageNumber="1">
<td id="F8724763BD815A9DA8F5B7DFE9C3449C" colspan="1" pageId="0" pageNumber="1" rowspan="1">Leg 4</td>
<td id="C726D30FB7399F9B9882BF56DBA75199" colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1</td>
<td id="B90B9CE4F3487ACA3D9F62DEFC16828E" colspan="1" pageId="0" pageNumber="1" rowspan="1">1-0</td>
<td id="DE265CA99385648631FBAF25FF130FF2" colspan="1" pageId="0" pageNumber="1" rowspan="1">I-0; I-1; II, I, 5</td>
<td id="2F38EAF49D1D88281FEBC651087B595B" colspan="1" pageId="0" pageNumber="1" rowspan="1">0, II, 0</td>
</tr>
</table>
</paragraph>
<paragraph id="789693BB83BDB15528356C00AFB38253" pageId="0" pageNumber="1">
Leg 5 (Fig.
<figureCitation id="7D6D9F70F184FF30DCE644198E5325E6" captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Pseudanthessius linguifer sp. nov., female A maxilla B maxilliped C leg 1 D leg 2 E third endopodal segment of leg 3 F leg 4 G leg 5 and genital aperture, dorsal. Scale bars: 0.02 mm (A, B); 0.05 mm (C-G)." figureDoi="10.3897/zookeys.1115.83266.figure21" httpUri="https://binary.pensoft.net/fig/720741" pageId="0" pageNumber="1">21G</figureCitation>
) represented by one spine and two setae on lateral surface of fifth pedigerous somite. Leg 6 (Fig.
<figureCitation id="AC3F5B9B7A210FE9D1FF63253D4D3209" captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Pseudanthessius linguifer sp. nov., female A maxilla B maxilliped C leg 1 D leg 2 E third endopodal segment of leg 3 F leg 4 G leg 5 and genital aperture, dorsal. Scale bars: 0.02 mm (A, B); 0.05 mm (C-G)." figureDoi="10.3897/zookeys.1115.83266.figure21" httpUri="https://binary.pensoft.net/fig/720741" pageId="0" pageNumber="1">21G</figureCitation>
) represented on two setae on genital operculum; anterior seta thin, weakly pinnate; posterior seta naked, proximally broadened.
</paragraph>
<paragraph id="6F54513D83E35E825AE147F0C47D375C" pageId="0" pageNumber="1">
<emphasis id="DE60245F959C3BC929D9B7A06891DCD1" bold="true" pageId="0" pageNumber="1">Male.</emphasis>
Unknown.
</paragraph>
</subSubSection>
<subSubSection id="58ABCD9F649722D72D343E8E73BFB242" pageId="0" pageNumber="1" type="etymology">
<paragraph id="59657B9F7204289733A949800DBF5004" pageId="0" pageNumber="1">Etymology.</paragraph>
<paragraph id="AA0A6FA6C39CED2D9821E42577ED8CF5" pageId="0" pageNumber="1">
The specific name of the new species
<emphasis id="F0F695D14760C534730E2ADB0A9997A8" italics="true" pageId="0" pageNumber="1">linguifer</emphasis>
is derived from Latins
<emphasis id="7C886EB1BEB2C82995E0673120DDEA97" italics="true" pageId="0" pageNumber="1">lingu</emphasis>
(the tongue) and
<emphasis id="15781D30A12D1094E35A9FA6B88E6685" italics="true" pageId="0" pageNumber="1">fer</emphasis>
(bear), referring to the presence of the tongue-like dorsolateral processes on the genital double-somite.
</paragraph>
</subSubSection>
<subSubSection id="954611064401C1A36DC31C97EC11597F" pageId="0" pageNumber="1" type="remarks">
<paragraph id="F7E0D33FB6AA5553223505619431DC22" pageId="0" pageNumber="1">Remarks.</paragraph>
<paragraph id="A1DEEF77324F4D70AE90C2205038BA0F" pageId="0" pageNumber="1">
The most conspicuous feature of
<taxonomicName id="AEB7B7231FAB265D9CEC8C40935FD303" authorityName="Lee &amp; Chang &amp; Kim" authorityYear="2022" class="Copepoda" family="Pseudanthessiidae" genus="Pseudanthessius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudanthessius linguifer" order="Cyclopoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="linguifer">
<emphasis id="9EFDD1DCAD29A0ECBDD73F9BEAF30DBB" italics="true" pageId="0" pageNumber="1">Pseudanthessius linguifer</emphasis>
</taxonomicName>
sp. nov. is its elongate caudal rami, which are 10
<normalizedToken id="11545BD59FFAB484E4C29CC0B34A18AA" originalValue="×">x</normalizedToken>
longer than wide. Such long caudal rami are exhibited by four congeners:
<taxonomicName id="77F9C125A206AEE4AE0DBB8C349168DD" lsidName="P. concinnus" pageId="0" pageNumber="1" rank="species" species="concinnus">
<emphasis id="E5045584F4C2A67B8E4AB2D59A11B8C8" italics="true" pageId="0" pageNumber="1">P. concinnus</emphasis>
</taxonomicName>
Thompson &amp; Scott, 1903,
<taxonomicName id="6BAF5718264490D4D62A096C86B5636E" lsidName="P. dubius" pageId="0" pageNumber="1" rank="species" species="dubius">
<emphasis id="4204AC8F8AB48BBAD547BA15B6C1F22C" italics="true" pageId="0" pageNumber="1">P. dubius</emphasis>
</taxonomicName>
Sars, 1918,
<taxonomicName id="2BA99A5E574E49EBA51B29773E43A0BF" lsidName="P. thorelli" pageId="0" pageNumber="1" rank="species" species="thorelli">
<emphasis id="CFC3E72A715EAF8838CCCA3F32691532" italics="true" pageId="0" pageNumber="1">P. thorelli</emphasis>
</taxonomicName>
(Brady &amp; Robertson, 1875), and
<taxonomicName id="68099B2F50B6130EFCCAB7000B2BEE30" lsidName="P. stenosus" pageId="0" pageNumber="1" rank="species" species="stenosus">
<emphasis id="5432097D9773E8F21D42FE38D4CA0456" italics="true" pageId="0" pageNumber="1">P. stenosus</emphasis>
</taxonomicName>
Kim &amp; Hong, 2014. All of the other species in the genus have shorter caudal rami, at most 8.5
<normalizedToken id="D16BE70E359F614FFF12D0B63023C837" originalValue="×">x</normalizedToken>
longer than wide, as in
<taxonomicName id="FF5D931020ACA05AD17A5D3307E97F21" lsidName="P. deficiens" pageId="0" pageNumber="1" rank="species" species="deficiens">
<emphasis id="475598E915AEB7FFE782FDBC62D75CB1" italics="true" pageId="0" pageNumber="1">P. deficiens</emphasis>
</taxonomicName>
Stock, Humes &amp; Gooding, 1964 (
<bibRefCitation id="72214E402D81A37967D559389681A662" author="Stock, JH" journalOrPublisher="Studies on the Fauna of Curacao" pageId="0" pageNumber="1" pagination="1 - 74" refId="B56" refString="Stock, JH, Humes, AG, Gooding, RU, 1964. Copepoda associated with West Indian invertebrates. IV. The genera Octopicola, Pseudanthessius and Meomicola (Cyclopoida, Lichomolgidae). Studies on the Fauna of Curacao 18 (77): 1 - 74" title="Copepoda associated with West Indian invertebrates. IV. The genera Octopicola, Pseudanthessius and Meomicola (Cyclopoida, Lichomolgidae)." volume="18" year="1964">Stock et al. 1964</bibRefCitation>
).
<taxonomicName id="8DC2E1FBA122392301E38EC7503ECB56" authorityName="Lee &amp; Chang &amp; Kim" authorityYear="2022" class="Copepoda" family="Pseudanthessiidae" genus="Pseudanthessius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudanthessius linguifer" order="Cyclopoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="linguifer">
<emphasis id="D7C9E44F2AE8AE273307142A19950098" italics="true" pageId="0" pageNumber="1">Pseudanthessius linguifer</emphasis>
</taxonomicName>
sp. nov. differs from
<taxonomicName id="E675FCE740C4BC48E1954EB34DF0144A" lsidName="P. concinnus" pageId="0" pageNumber="1" rank="species" species="concinnus">
<emphasis id="F1245E7BECA5DB161F27F30BC0FAC9F2" italics="true" pageId="0" pageNumber="1">P. concinnus</emphasis>
</taxonomicName>
in having a large outer scale on the mandible (cf. the scale absent in
<taxonomicName id="501A21D5AA3C6F786DD0D3C0C9BA2D48" lsidName="P. concinnus" pageId="0" pageNumber="1" rank="species" species="concinnus">
<emphasis id="301C47DEA1904F199CAC1723DCA1AA87" italics="true" pageId="0" pageNumber="1">P. concinnus</emphasis>
</taxonomicName>
) and two distal spines on the endopod of leg 4 (cf. one spine plus one seta in
<taxonomicName id="2E197E5C38AEB46F2484385193180DF9" lsidName="P. concinnus" pageId="0" pageNumber="1" rank="species" species="concinnus">
<emphasis id="6259ABF949B6AF809FC91FFCDBE9D456" italics="true" pageId="0" pageNumber="1">P. concinnus</emphasis>
</taxonomicName>
); from
<taxonomicName id="8D25076926778E9BD3FE4CB36C16D5CA" lsidName="P. dubius" pageId="0" pageNumber="1" rank="species" species="dubius">
<emphasis id="FB9B6EFD907BDFFF3750C07BE31463B1" italics="true" pageId="0" pageNumber="1">P. dubius</emphasis>
</taxonomicName>
in having the five-segmented urosome in the female (cf. four-segmented female urosome in
<taxonomicName id="FB9FA6FA215FA8655765A6746EA79BD9" lsidName="P. dubius" pageId="0" pageNumber="1" rank="species" species="dubius">
<emphasis id="0BE0A644148B10BA82F8E4F5605D03E3" italics="true" pageId="0" pageNumber="1">P. dubius</emphasis>
</taxonomicName>
) and four distal claws on the antenna (cf. a single large claw in
<taxonomicName id="3AF7CED7DFCDC578BC3C64BC82F27BD7" lsidName="P. dubius" pageId="0" pageNumber="1" rank="species" species="dubius">
<emphasis id="EE86B5CB90CB9951F29BEE4F920A30DE" italics="true" pageId="0" pageNumber="1">P. dubius</emphasis>
</taxonomicName>
); and from
<taxonomicName id="4A0CF04D36F7221150E729AB66A65FFA" lsidName="P. thorelli" pageId="0" pageNumber="1" rank="species" species="thorelli">
<emphasis id="3269B2B0664A20E64E7B82137D7995E3" italics="true" pageId="0" pageNumber="1">P. thorelli</emphasis>
</taxonomicName>
in having one spine plus one seta on the exopod of female leg 5 (cf. two setae in
<taxonomicName id="489558E732163F421C2BC8AEC54E07E2" lsidName="P. thorelli" pageId="0" pageNumber="1" rank="species" species="thorelli">
<emphasis id="3B098AA60734932908816F8FD739092A" italics="true" pageId="0" pageNumber="1">P. thorelli</emphasis>
</taxonomicName>
).
<taxonomicName id="B378F428AA969C423DB129DFE19FCC85" authorityName="Lee &amp; Chang &amp; Kim" authorityYear="2022" class="Copepoda" family="Pseudanthessiidae" genus="Pseudanthessius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudanthessius linguifer" order="Cyclopoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="linguifer">
<emphasis id="1AAC7071C2C76262568429E95C17A491" italics="true" pageId="0" pageNumber="1">Pseudanthessius linguifer</emphasis>
</taxonomicName>
sp. nov. resembles
<taxonomicName id="7A377245E148DCB3B786E2594FCDA119" lsidName="P. stenosus" pageId="0" pageNumber="1" rank="species" species="stenosus">
<emphasis id="257C0D657240967D9585573D1B307B42" italics="true" pageId="0" pageNumber="1">P. stenosus</emphasis>
</taxonomicName>
which is known from Thailand (
<bibRefCitation id="BDADF7D886D0290F75F7F4B731086C5E" DOI="https://doi.org/10.5635/ASED.2014.30.4.274" author="Kim, I-H" journalOrPublisher="Animal Systematics, Evolution and Diversity" pageId="0" pageNumber="1" pagination="274 - 318" refId="B34" refString="Kim, I-H, Hong, J-S, 2014. Copepods (Crustacea, Copepoda, Cyclopoida) associated with marine invertebrates from Thailand. Animal Systematics, Evolution and Diversity 30 (4): 274 - 318, DOI: https://doi.org/10.5635/ASED.2014.30.4.274" title="Copepods (Crustacea, Copepoda, Cyclopoida) associated with marine invertebrates from Thailand." url="https://doi.org/10.5635/ASED.2014.30.4.274" volume="30" year="2014">Kim and Hong 2014</bibRefCitation>
) in many morphological aspects, in particular, the possession of the spinules-covered second segment (basis) of the female maxilliped and the bifurcate anterior seta (seta II) on the basis of the maxilla. However, the new species is distinguishable from
<taxonomicName id="EE397BB4CA4D04EE4B39F23D306363C7" lsidName="P. stenosus" pageId="0" pageNumber="1" rank="species" species="stenosus">
<emphasis id="6D4B53DF9896DBEE209F019440DBD0FF" italics="true" pageId="0" pageNumber="1">P. stenosus</emphasis>
</taxonomicName>
and other congeners by its other outstanding features, such as the presence of the tongue-like dorsolateral processes on the genital double-somite, the extremely long distal lash of the maxilla, and the ventrolateral position of the genital apertures.
</paragraph>
</subSubSection>
</treatment>
</document>
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