411 lines
34 KiB
XML
411 lines
34 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1115.83266" ID-Pensoft-Pub="1313-2970-1115-1" ID-Pensoft-UUID="1AB765B8065B5504A31014D2B0937E01" ID-ZooBank="C3E233F10EF74D2DBD4AA32AE7C4DF5E" ModsDocID="1313-2970-1115-1" checkinTime="1659044149331" checkinUser="pensoft" docAuthor="Lee, Jimin, Chang, Cheon Young & Kim, Il-Hoi" docDate="2022" docId="D52945586A7E5C1C8A9717ABD371518B" 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="Thermocheres pacificus Lee & Chang & Kim 2022, sp. nov." docType="treatment" docUuid="5F56B3F1-9731-49D8-A209-C6945F094AEA" docUuidSource="ZooBank" docVersion="1" 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="1659044149331" updateUser="pensoft">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Symbiotic copepods (Cyclopoida and Siphonostomatoida) collected by light trap from Korea</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Lee, Jimin</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-9004-8275</mods:nameIdentifier>
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<mods:affiliation>Marine Ecosystem and Biological Research Center, Korea Institute of Ocean Science & Technology, Busan 49111, Republic of Korea</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Chang, Cheon Young</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5557-7120</mods:nameIdentifier>
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<mods:affiliation>Department of Biological Science, Daegu University, Gyeongsan 38453, Republic of Korea</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Kim, Il-Hoi</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-7332-0043</mods:nameIdentifier>
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<mods:affiliation>Korea Institute of Coastal Ecology, 302 - 802, Seokcheon-ro 397, Bucheon 14449, Republic of Korea</mods:affiliation>
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<mods:nameIdentifier type="email">ihkim@gwnu.ac.kr</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-07-28</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1115</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>71</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.1115.83266</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1115.83266</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1115-1</mods:identifier>
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<mods:identifier type="ZooBank">C3E233F10EF74D2DBD4AA32AE7C4DF5E</mods:identifier>
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<mods:identifier type="Pensoft-UUID">1AB765B8065B5504A31014D2B0937E01</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:zoobank.org:act:5F56B3F1-9731-49D8-A209-C6945F094AEA" httpUri="http://treatment.plazi.org/id/D52945586A7E5C1C8A9717ABD371518B" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName LSID="https://zoobank.org/5F56B3F1-9731-49D8-A209-C6945F094AEA" authority="Lee & Chang & Kim, 2022" authorityName="Lee & Chang & Kim" authorityYear="2022" class="Hexanauplia" family="Asterocheridae" genus="Thermocheres" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thermocheres pacificus" order="Siphonostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">Thermocheres pacificus</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">
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<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">Figs 28</figureCitation>
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<figureCitation captionStart="Figure 29" captionStartId="F29" captionText="Figure 29. Thermocheres pacificus sp. nov., male A maxilliped B endopodal region of maxilliped C leg 1 D leg 2 E endopod of leg 3 F leg 4 G leg 5 H right genital operculum, ventral. Scale bars: 0.05 mm (A, C-F, H); 0.02 mm (B, G)." figureDoi="10.3897/zookeys.1115.83266.figure29" httpUri="https://binary.pensoft.net/fig/720749" pageId="0" pageNumber="1">, 29</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="materials_examined">
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<paragraph pageId="0" pageNumber="1">Material examined.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<materialsCitation collectingDate="2021-04-26" collectorName="J. Lee, C. Y. Chang" county="Bogil Island" latitude="34.13639" location="Site" longLatPrecision="19" longitude="126.563614" municipality="Yesong" specimenCount="♂" typeStatus="Holotype">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">
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<typeStatus>Holotype</typeStatus>
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</emphasis>
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<specimenCount>♂</specimenCount>
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(MABIK CR00250117) preserved in 90% alcohol,
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<location LSID="urn:lsid:plazi:treatment:D52945586A7E5C1C8A9717ABD371518B:2C378E7D86667E6A93072A9B79917539" county="Bogil Island" latitude="34.13639" longLatPrecision="19" longitude="126.563614" municipality="Yesong" name="Site">Site</location>
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22 (
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<collectingMunicipality>Yesong</collectingMunicipality>
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,
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<collectingCounty>Bogil Island</collectingCounty>
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, south coast,
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<geoCoordinate degrees="34" direction="north" minutes="08" orientation="latitude" precision="15" seconds="11" value="34.13639">34°08'11"N</geoCoordinate>
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,
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<geoCoordinate degrees="126" direction="east" minutes="33" orientation="longitude" precision="15" seconds="49" value="126.563614">126°33'49"E</geoCoordinate>
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),
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<collectingDate value="2021-04-26">26 Apr. 2021</collectingDate>
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, leg.
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<collectorName>J. Lee</collectorName>
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and
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<collectorName>C. Y. Chang</collectorName>
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</materialsCitation>
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;
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<materialsCitation collectingDate="2020-07-04" collectorName="J. G. Kim. Dissected, I. - H. Kim" latitude="34.750137" location="Site" longLatPrecision="1" longitude="127.90942" municipality="Namhae Island" specimenCount="♂" typeStatus="Paratype">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">
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<typeStatus>Paratype</typeStatus>
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</emphasis>
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<specimenCount>♂</specimenCount>
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dissected and mounted on a slide,
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<location LSID="urn:lsid:plazi:treatment:D52945586A7E5C1C8A9717ABD371518B:C372A269D119EE5E3227097E8879D977" latitude="34.750137" longLatPrecision="1" longitude="127.90942" municipality="Namhae Island" name="Site">Site</location>
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15 (
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<collectingMunicipality>Namhae Island</collectingMunicipality>
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, south coast,
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<geoCoordinate degrees="34" direction="north" minutes="45" orientation="latitude" precision="1" seconds="00.5" value="34.750137">34°45'00.5"N</geoCoordinate>
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,
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<geoCoordinate degrees="127" direction="east" minutes="54" orientation="longitude" precision="1" seconds="33.9" value="127.90942">127°54'33.9"E</geoCoordinate>
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),
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<collectingDate value="2020-07-04">04 Jul. 2020</collectingDate>
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, leg.
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<collectorName>J. G. Kim. Dissected</collectorName>
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<typeStatus>paratype</typeStatus>
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is retained in the collection of
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<collectorName>I.-H. Kim</collectorName>
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Male.</emphasis>
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Body (Fig.
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<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">28A</figureCitation>
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) cyclopiform, moderately broad. Body length 1.14 mm in dissected and figured paratype (1.25 mm in holotype). Prosome 695
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<normalizedToken originalValue="μm">μm</normalizedToken>
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long, four-segmented, consisting of cephalothorax and three free pedigerous somites. All prosomal somites with acutely pointed posterolateral corners. Cephalothorax slightly wider than long (477
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<normalizedToken originalValue="×">x</normalizedToken>
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486
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<normalizedToken originalValue="μm">μm</normalizedToken>
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), consisting of completely fused cephalosome and first pedigerous somite, fringed with membrane along posterodorsal margin. Urosome (Fig.
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<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">28B</figureCitation>
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) six-segmented. Fifth pedigerous somite narrower than genital somite, with tapered lateral apex. Genital somite quadrangular, wider than long (125
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<normalizedToken originalValue="×">x</normalizedToken>
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184
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<normalizedToken originalValue="μm">μm</normalizedToken>
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), with parallel lateral margins and pointed, tooth-like posterolateral corners; genital operculum well-developed, with one large cusp on distal margin and pair of unequal setae on tip of posterolateral apex. Four abdominal somites 57
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<normalizedToken originalValue="×">x</normalizedToken>
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140
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, 45
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<normalizedToken originalValue="×">x</normalizedToken>
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125
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, 36
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<normalizedToken originalValue="×">x</normalizedToken>
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116
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, and 52
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<normalizedToken originalValue="×">x</normalizedToken>
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114
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, respectively; first and second abdominal somites with acutely pointed, posteriorly extended posterolateral corners. Caudal ramus (Fig.
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<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">28B</figureCitation>
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) 1.57
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than wide (83
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<normalizedToken originalValue="×">x</normalizedToken>
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53
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<normalizedToken originalValue="μm">μm</normalizedToken>
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), with six pinnate setae, ornamented with setules along inner margin; all setae positioned distally or subdistally.
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</paragraph>
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<caption doi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1" start="Figure 28" startId="F28">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 28.</emphasis>
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<taxonomicName authorityName="Lee & Chang & Kim" authorityYear="2022" class="Hexanauplia" family="Asterocheridae" genus="Thermocheres" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thermocheres pacificus" order="Siphonostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="pacificus">
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<emphasis italics="true" pageId="0" pageNumber="1">Thermocheres pacificus</emphasis>
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</taxonomicName>
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sp. nov., male
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<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
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habitus, dorsal
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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urosome, ventral
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<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
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rostrum
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<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
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antennule (open circles indicate insertions of aesthetascs on opposite surface)
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<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
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antenna
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<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
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oral siphon
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<emphasis bold="true" pageId="0" pageNumber="1">G</emphasis>
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mandible and maxillule
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<emphasis bold="true" pageId="0" pageNumber="1">H</emphasis>
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maxilla
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<emphasis bold="true" pageId="0" pageNumber="1">I</emphasis>
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distal part of maxilla. Scale bars: 0.1 mm (
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<emphasis bold="true" pageId="0" pageNumber="1">A, B, F</emphasis>
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); 0.05 mm (
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<emphasis bold="true" pageId="0" pageNumber="1">C, D, G, H</emphasis>
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); 0.02 mm (
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<emphasis bold="true" pageId="0" pageNumber="1">E, I</emphasis>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="1">
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Rostrum (Fig.
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<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">28C</figureCitation>
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) slightly longer than wide, tapered, with angular apex. Antennule (Fig.
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<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">28D</figureCitation>
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) 368
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<normalizedToken originalValue="μm">μm</normalizedToken>
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long, 17-segmented, geniculate between antepenultimate and penultimate segments; armature formula 1+aesthetasc, 2+aesthetasc, 2+aesthetasc, 2+aesthetasc, 2+aesthetasc, 2, 2+aesthetasc, 2, 7+3 aesthetascs, 2, 2+aesthetasc, 3+aesthetasc, 1, 2+aesthetasc, 1, 1+aesthetasc, and 11; setae naked, mostly short; aesthetascs thin but that of penultimate segment thicker. Antenna (Fig.
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<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">28E</figureCitation>
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) consisting of coxa, basis, one-segmented exopod, and two-segmented endopod; coxa 35
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<normalizedToken originalValue="×">x</normalizedToken>
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17
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, unarmed; basis 65
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<normalizedToken originalValue="×">x</normalizedToken>
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17
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, with few spinules on outer margin; exopod 3
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than wide (18
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<normalizedToken originalValue="×">x</normalizedToken>
|
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6
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<normalizedToken originalValue="μm">μm</normalizedToken>
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), armed with two unequal setae distally and one seta near middle; first endopodal segment 38
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<normalizedToken originalValue="×">x</normalizedToken>
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15
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, unarmed but with row of spinules on inner and outer margins; second endopodal segment 35
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<normalizedToken originalValue="×">x</normalizedToken>
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12
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, terminated in long spiniform seta (107
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<normalizedToken originalValue="μm">μm</normalizedToken>
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long), armed with one seta on proximal inner margin, three (one minute) setae distally and subdistally, and ornamented with setules on inner and outer margin.
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</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Oral siphon (Fig.
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<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">28F</figureCitation>
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) 454
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<normalizedToken originalValue="μm">μm</normalizedToken>
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long, evenly tapering from proximal to distal, extending to insertions of leg 2. Mandible (Fig.
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<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">28G</figureCitation>
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||
) consisting of short basal segment and elongate, slender stylet bearing 11 teeth distally. Maxillule (Fig.
|
||
<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">28G</figureCitation>
|
||
) bilobed; small outer lobe 23
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
9
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
, distally with four setae, one naked, other three pinnate; elongate inner lobe based on segment-like extension, 127
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
15
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
, tipped with three thin, equally long, distally feebly pinnate setae. Maxilla (Fig.
|
||
<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">28H</figureCitation>
|
||
) slender, consisting of syncoxa (189
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
long), basis (205
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
long) and terminal claw; basis with small seta at 70% region and small, tapering membrane distally; terminal claw (Fig.
|
||
<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Thermocheres pacificus sp. nov., male A habitus, dorsal B urosome, ventral C rostrum D antennule (open circles indicate insertions of aesthetascs on opposite surface) E antenna F oral siphon G mandible and maxillule H maxilla I distal part of maxilla. Scale bars: 0.1 mm (A, B, F); 0.05 mm (C, D, G, H); 0.02 mm (E, I)." figureDoi="10.3897/zookeys.1115.83266.figure28" httpUri="https://binary.pensoft.net/fig/720748" pageId="0" pageNumber="1">28I</figureCitation>
|
||
) 64
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
long, curved, with row of spinules along proximal half of concave margin. Maxilliped (Fig.
|
||
<figureCitation captionStart="Figure 29" captionStartId="F29" captionText="Figure 29. Thermocheres pacificus sp. nov., male A maxilliped B endopodal region of maxilliped C leg 1 D leg 2 E endopod of leg 3 F leg 4 G leg 5 H right genital operculum, ventral. Scale bars: 0.05 mm (A, C-F, H); 0.02 mm (B, G)." figureDoi="10.3897/zookeys.1115.83266.figure29" httpUri="https://binary.pensoft.net/fig/720749" pageId="0" pageNumber="1">29A, B</figureCitation>
|
||
) consisting of syncoxa, basis, four-segmented endopod, and terminal claw; syncoxa with one seta on inner distal corner; basis longest, with one blunt tubercle on inner margin bearing minute setule on distal margin of tubercle; endopodal segments with two, one, one, and one setae respectively; terminal claw slender, 103
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
long, weakly curved, ~ twice longer than terminal endopodal segment.
|
||
</paragraph>
|
||
<caption doi="10.3897/zookeys.1115.83266.figure29" httpUri="https://binary.pensoft.net/fig/720749" pageId="0" pageNumber="1" start="Figure 29" startId="F29">
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="1">Figure 29.</emphasis>
|
||
<taxonomicName authorityName="Lee & Chang & Kim" authorityYear="2022" class="Hexanauplia" family="Asterocheridae" genus="Thermocheres" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thermocheres pacificus" order="Siphonostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="pacificus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Thermocheres pacificus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., male
|
||
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
|
||
maxilliped
|
||
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
|
||
endopodal region of maxilliped
|
||
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
|
||
leg 1
|
||
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
|
||
leg 2
|
||
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
|
||
endopod of leg 3
|
||
<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
|
||
leg 4
|
||
<emphasis bold="true" pageId="0" pageNumber="1">G</emphasis>
|
||
leg 5
|
||
<emphasis bold="true" pageId="0" pageNumber="1">H</emphasis>
|
||
right genital operculum, ventral. Scale bars: 0.05 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">A, C-F, H</emphasis>
|
||
); 0.02 mm (
|
||
<emphasis bold="true" pageId="0" pageNumber="1">B, G</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Legs 1-4 (Fig.
|
||
<figureCitation captionStart="Figure 29" captionStartId="F29" captionText="Figure 29. Thermocheres pacificus sp. nov., male A maxilliped B endopodal region of maxilliped C leg 1 D leg 2 E endopod of leg 3 F leg 4 G leg 5 H right genital operculum, ventral. Scale bars: 0.05 mm (A, C-F, H); 0.02 mm (B, G)." figureDoi="10.3897/zookeys.1115.83266.figure29" httpUri="https://binary.pensoft.net/fig/720749" pageId="0" pageNumber="1">29C-F</figureCitation>
|
||
) biramous, with three-segmented rami. Outer seta on basis naked in leg 1 but pinnate in legs 2-4. Outer spine on first exopodal segment of leg 1 large, extending beyond base of first outer spine of third exopodal segment. Second endopodal segment of legs 1-4 with bicuspid outer distal corner. Inner distal seta on third exopodal segment of leg 4 distinctly smaller than proximal setae. Armature formula for legs 1-4 as follows:
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<table pageId="0" pageNumber="1">
|
||
<tr pageId="0" pageNumber="1">
|
||
<td colspan="1" isEmpty="true" pageId="0" pageNumber="1" rowspan="1">-</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Coxa</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Basis</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Exopod</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Endopod</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="1">
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Leg 1</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">1-1</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">I-1; I-1; III, 5</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1; 0-2; 1, 2, 3</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="1">
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Leg 2</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">1-0</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">I-1; I-1; III, I, 5</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1; 0-2; 1, 2, 3</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="1">
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Leg 3</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">1-0</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">I-1; I-1; III, I, 5</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1; 0-2; 1, 1+I, 3</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="1">
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">Leg 4</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">1-0</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">I-1; I-1; III, I, 5</td>
|
||
<td colspan="1" pageId="0" pageNumber="1" rowspan="1">0-1; 0-2; 1, I, 2</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Leg 5 (Fig.
|
||
<figureCitation captionStart="Figure 29" captionStartId="F29" captionText="Figure 29. Thermocheres pacificus sp. nov., male A maxilliped B endopodal region of maxilliped C leg 1 D leg 2 E endopod of leg 3 F leg 4 G leg 5 H right genital operculum, ventral. Scale bars: 0.05 mm (A, C-F, H); 0.02 mm (B, G)." figureDoi="10.3897/zookeys.1115.83266.figure29" httpUri="https://binary.pensoft.net/fig/720749" pageId="0" pageNumber="1">29G</figureCitation>
|
||
) consisting of pinnate lateral seta on fifth pedigerous somite and small exopod; exopodal segment 18
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
14
|
||
<normalizedToken originalValue="μm">μm</normalizedToken>
|
||
, articulated from somite, with three naked setae (two on distal margin and one on posterior margin). Leg 6 (Fig.
|
||
<figureCitation captionStart="Figure 29" captionStartId="F29" captionText="Figure 29. Thermocheres pacificus sp. nov., male A maxilliped B endopodal region of maxilliped C leg 1 D leg 2 E endopod of leg 3 F leg 4 G leg 5 H right genital operculum, ventral. Scale bars: 0.05 mm (A, C-F, H); 0.02 mm (B, G)." figureDoi="10.3897/zookeys.1115.83266.figure29" httpUri="https://binary.pensoft.net/fig/720749" pageId="0" pageNumber="1">29H</figureCitation>
|
||
) represented by two naked setae on genital operculum.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" pageId="0" pageNumber="1">Female.</emphasis>
|
||
Unknown.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="etymology">
|
||
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">The specific name of the new species refers to its discovery in the Pacific Ocean, in contrast with the Indian Ocean in which the type locality, Madagascar, of the type species is located.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="remarks">
|
||
<paragraph pageId="0" pageNumber="1">Remarks.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
The discovery of this new species reinforces the taxonomic status of the genus
|
||
<taxonomicName class="Hexanauplia" family="Asterocheridae" genus="Thermocheres" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thermocheres" order="Siphonostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Thermocheres</emphasis>
|
||
</taxonomicName>
|
||
. The type species of the genus,
|
||
<taxonomicName genus="T." lsidName="T. validus" pageId="0" pageNumber="1" rank="species" species="validus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">T. validus</emphasis>
|
||
</taxonomicName>
|
||
Kim, 2010, was described as an associate of a sponge in Madagascar (
|
||
<bibRefCitation author="Kim, I-H" journalOrPublisher="Flora and Fauna of Korea, National Institute of Biological Resources, Ministry of Environment, Korea" pageId="0" pageNumber="1" refId="B32" refString="Kim, I-H, 2010b. Siphonostomatoid Copepoda (Crustacea) associated with invertebrates from tropical waters. Korean Journal of Systematic Zoology 8(Special Issue): 1-176." title="Siphonostomatoid Copepoda (Crustacea) associated with invertebrates from tropical waters. Korean Journal of Systematic Zoology 8 (Special Issue): 1 - 176." year="2010 b">Kim 2010b</bibRefCitation>
|
||
). Although the new species is represented by only a single male, it exhibits diagnostic characters of the genus. In particular, the form of the maxillule in which the inner lobe is elongated and armed with three long, slender setae and the armature condition (formula III, I, 5) of the third exopodal segment of legs 2-4 are shared by the two species. Within the
|
||
<taxonomicName authorityName="Giesbrecht" authorityYear="1899" class="Hexanauplia" family="Asterocheridae" kingdom="Animalia" lsidName="" order="Siphonostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="family">Asterocheridae</taxonomicName>
|
||
, the latter character is shared only by
|
||
<taxonomicName authorityName="Nicholls" authorityYear="1944" class="Hexanauplia" family="Asterocheridae" genus="Australomyzon" kingdom="Animalia" lsidName="Australomyzon" order="Siphonostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Australomyzon</emphasis>
|
||
</taxonomicName>
|
||
Nicholls, 1944 and
|
||
<taxonomicName authorityName="Humes" authorityYear="1988" class="Hexanauplia" family="Asterocheridae" genus="Bythocheres" kingdom="Animalia" lsidName="Bythocheres" order="Siphonostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Bythocheres</emphasis>
|
||
</taxonomicName>
|
||
Humes, 1988. But
|
||
<taxonomicName genus="T." lsidName="T. pacificus" pageId="0" pageNumber="1" rank="species" species="pacificus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">T. pacificus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. and
|
||
<taxonomicName genus="T." lsidName="T. validus" pageId="0" pageNumber="1" rank="species" species="validus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">T. validus</emphasis>
|
||
</taxonomicName>
|
||
reveal two important differences, i.e., (1) one of four setae on the outer lobe of the maxillule is positioned in middle in
|
||
<taxonomicName genus="T." lsidName="T. validus" pageId="0" pageNumber="1" rank="species" species="validus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">T. validus</emphasis>
|
||
</taxonomicName>
|
||
, whereas all of the four setae are distally positioned in
|
||
<taxonomicName genus="T." lsidName="T. pacificus" pageId="0" pageNumber="1" rank="species" species="pacificus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">T. pacificus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.; and (2) the third endopodal segment of leg 4 is armed with one spine plus four setae (formula 1, 1+I, 2), but with one spine plus three setae (formula 1, I, 2) in
|
||
<taxonomicName genus="T." lsidName="T. pacificus" pageId="0" pageNumber="1" rank="species" species="pacificus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">T. pacificus</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. These two differences are so significant that the Korean material should be separated from the type species as a new species. The proportional length of the caudal ramus and the developmental condition of the protopod of leg 5 also appear different between the two species, although these characters are subject to sexual dimorphism.
|
||
<taxonomicName class="Hexanauplia" family="Asterocheridae" genus="Thermocheres" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thermocheres validus" order="Siphonostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="validus">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Thermocheres validus</emphasis>
|
||
</taxonomicName>
|
||
was described on the basis of the female only.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |