treatments-xml/data/03/87/C2/0387C212202F6976FF0670CDEF57FE10.xml
2024-06-21 12:22:17 +02:00

608 lines
84 KiB
XML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<document id="8F3D0751E9226B99780ED8D709F4C326" ID-CLB-Dataset="294422" ID-DOI="10.11646/zootaxa.5437.3.1" ID-GBIF-Dataset="6c295c3c-1b9e-4ea6-9d17-4005b99c5a5b" ID-ISSN="1175-5326" ID-Zenodo-Dep="10984877" ID-ZooBank="F06B9D4F-B890-41E2-AC14-9C7DD717DFE8" IM.bibliography_approvedBy="carolina" IM.illustrations_approvedBy="carolina" IM.materialsCitations_approvedBy="carolina" IM.metadata_approvedBy="carolina" IM.tables_approvedBy="carolina" IM.taxonomicNames_approvedBy="carolina" IM.treatments_approvedBy="carolina" checkinTime="1713344302398" checkinUser="plazi" docAuthor="Özak, Argun Akif, Kurt, Tuba Terbiyik, Kamanli, Seyit Ali, Akbulut, Gürkan, Yanar, Alper &amp; Boxshall, Geoffrey A." docDate="2024" docId="0387C212202F6976FF0670CDEF57FE10" docLanguage="en" docName="zootaxa.5437.3.1.pdf" docOrigin="Zootaxa 5437 (3)" docSource="http://dx.doi.org/10.11646/zootaxa.5437.3.1" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Metacaligus Thomsen 1949" docType="treatment" docVersion="5" lastPageNumber="326" masterDocId="FFBEBA6A2037696CFF91752BEA50FFBD" masterDocTitle="Two new species of planktonic Caligus O. F. Müller 1785 (Copepoda: Caligidae) from Türkiye with an updated review and checklist of planktonic caligids" masterLastPageNumber="335" masterPageNumber="301" pageNumber="325" updateTime="1713527568683" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
<mods:mods id="A86F757092D486DB3113BC4F6303B7C6" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="8718739DAE6E1C9D3E58AA4FF6A5AE6A">
<mods:title id="CB40339CDEBB61E33B8484776615C8F6">Two new species of planktonic Caligus O. F. Müller 1785 (Copepoda: Caligidae) from Türkiye with an updated review and checklist of planktonic caligids</mods:title>
</mods:titleInfo>
<mods:name id="4A5022A75C27B28C2A485065D0BAA158" type="personal">
<mods:role id="C7ED89349E27E255C91D2C4F0B1DD9B3">
<mods:roleTerm id="64B6A4394C61F849F6185AAACD1B981D">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="2D76899B4158925E164A46C0D341C8E6">Özak, Argun Akif</mods:namePart>
<mods:nameIdentifier id="2A751BBB2C0496D3F95DCBD7A5EC5B97" type="ORCID">0000-0001-6743-4178</mods:nameIdentifier>
<mods:affiliation id="E0CA1551DA0940102779E1CAB8F54A1C">Department of Fish Diseases, Faculty of Fisheries, University of Çukurova, 01330 Sarıçam, Adana, Türkiye</mods:affiliation>
<mods:nameIdentifier id="D1C7641DF8819F1C85B693205F05FCB6" type="email">ozargun@cu.edu.tr</mods:nameIdentifier>
</mods:name>
<mods:name id="26E89E23258B67EDC393CA059BD988A6" type="personal">
<mods:role id="62E65A6B810C3A16123912BD39135ABD">
<mods:roleTerm id="A2D29B77875E9FAF3C95EB6DA15D1A31">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="B4534703E4D3AB6B557A9A48EDFDF371">Kurt, Tuba Terbiyik</mods:namePart>
<mods:nameIdentifier id="0871DBA11D4A763AD757CC8F432505CF" type="ORCID">0000-0002-2937-6816</mods:nameIdentifier>
<mods:affiliation id="548A32565740BBEF3F4571EB0F8C623E">Department of Basic Sciences, Faculty of Fisheries, University of Çukurova, 01330 Sarıçam, Adana, Türkiye</mods:affiliation>
<mods:nameIdentifier id="85551F5056097DC7E36861030434E47A" type="email">tterbiyik@cu.edu.tr</mods:nameIdentifier>
</mods:name>
<mods:name id="82153242B33CE0C402EC5369A1573354" type="personal">
<mods:role id="205EAC16B3627543D41AB03705DF6005">
<mods:roleTerm id="930AFCFAA678B434A34A6DF246F6EFB0">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="9147C2F6A0DDC5E2EBB10D95F5799583">Kamanli, Seyit Ali</mods:namePart>
<mods:nameIdentifier id="6CDF4E8A7DB69539B15851D49F72871E" type="ORCID">0000-0002-9118-4591</mods:nameIdentifier>
<mods:affiliation id="5113281387E7C9E349ACDEFA0BCF2024">Department of Biology, Faculty of Art and Science, Burdur Mehmet Akif Ersoy University, Burdur 15030, Türkiye</mods:affiliation>
<mods:nameIdentifier id="EDB6EDE8DB1B82C22E7760F9A7047D31" type="email">alikamanli06@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name id="E463286E8A8C918E6D402E7F175DD184" type="personal">
<mods:role id="67F85E9EDF8087A5C350A13D380B7E2A">
<mods:roleTerm id="A0ABCAB48DA71B5D7CEA849BCA525C6D">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="91668C028FCE4C49BC620D97045240D6">Akbulut, Gürkan</mods:namePart>
<mods:nameIdentifier id="6D4D18267B9E3463E430C78FC552770E" type="ORCID">0000-0002-2937-6816</mods:nameIdentifier>
<mods:affiliation id="8682FB0C7F53A2FE7D2DC3169F91DA5F">Department of Basic Sciences, Faculty of Fisheries, University of Çukurova, 01330 Sarıçam, Adana, Türkiye</mods:affiliation>
<mods:nameIdentifier id="419AAA93E89E75E218801D3617F739AA" type="email">tterbiyik@cu.edu.tr</mods:nameIdentifier>
</mods:name>
<mods:name id="C35E4FB2082724135B07A6B07435E912" type="personal">
<mods:role id="60B3EC68815E151296300C183022BEB2">
<mods:roleTerm id="32D832E99A8E2E97109060E9BB713B17">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="9451B7CBED647A2166AD58DF7107495D">Yanar, Alper</mods:namePart>
<mods:nameIdentifier id="B52BE626EC5EE2D13ACECC4AD18BD621" type="ORCID">0000-0002-9293-7647</mods:nameIdentifier>
<mods:affiliation id="E77041DA0DCFD368C0C15D14EAFE77AC">Department of Marine Sciences, Faculty of Marine Sciences and Technology, Iskenderun Technical University, Iskenderun-Hatay 31200, Türkiye</mods:affiliation>
<mods:nameIdentifier id="BEF41189116EEB6E90E833B07F70850A" type="email">alperynr@gmail.com &amp; alper.yanar@iste.edu.tr</mods:nameIdentifier>
</mods:name>
<mods:name id="A1DE7EEDC1A419CD9405D43AED1E44E8" type="personal">
<mods:role id="F18B9989C6022A62C78BFD6B12915071">
<mods:roleTerm id="85AE6CF7989E3B5F10775C386991E18E">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="CDCF893E743F9E7750F0A0335BF88738">Boxshall, Geoffrey A.</mods:namePart>
<mods:nameIdentifier id="8F8EF0F91D8861267B30261565B9A5B7" type="ORCID">0000-0001-8170-7734</mods:nameIdentifier>
<mods:affiliation id="E24A5E3DBDA5169E6A82FEF1EFB13C0D">Department of Life Sciences, Natural History Museum, Cromwell Road, London SW 7 5 BD, U. K.</mods:affiliation>
<mods:nameIdentifier id="BB063485A1128524E140940FEF10A2EA" type="email">g.boxshall@nhm.ac.uk</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="15C2430A918987E32932885E3D6A5CD2">text</mods:typeOfResource>
<mods:relatedItem id="8B92B05BAE32CD8979AFC2004DCC9A6A" type="host">
<mods:titleInfo id="EF27051719951B237564B76E5B59C907">
<mods:title id="5BA6511391016221C7A135186E4E5CF7">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="FBEAD35F054A476C2789D19C9C710C24">
<mods:date id="B29A62E49927B0F1CD9C2FECBA4ED8FF">2024</mods:date>
<mods:detail id="B5B51294FD8A8E1AB657FFFD4AC8A0E2" type="pubDate">
<mods:number id="226F317300BE570AE2F967DADACE5C45">2024-04-15</mods:number>
</mods:detail>
<mods:detail id="8889D3D94921AD9F27A620321F54E281" type="volume">
<mods:number id="6E8188C4A0C5228BFC6E18C01BD1CDFE">5437</mods:number>
</mods:detail>
<mods:detail id="DA3EBB1BEB58600534F5EA244FE110FB" type="issue">
<mods:number id="FC1A8431DC0FE2E378C6B4056AD5E65E">3</mods:number>
</mods:detail>
<mods:extent id="346961F4C584FA24D48D479B4C4B0D2D" unit="page">
<mods:start id="CDE7588369B7FC37C2B9A7F72912A89F">301</mods:start>
<mods:end id="F1A3842D84A28086984EFAA68401B1F4">335</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location id="8B560610E81CF30C58E4FC834A7BA473">
<mods:url id="0F3B82C963F0070A931AEFDBCCC9EF41">http://dx.doi.org/10.11646/zootaxa.5437.3.1</mods:url>
</mods:location>
<mods:classification id="54D41FFD616065180CF0C2377A88C3F6">journal article</mods:classification>
<mods:identifier id="04400AAA0D8D702CB5E9D96343CB0C1D" type="CLB-Dataset">294422</mods:identifier>
<mods:identifier id="65F015832A65244E8AD0909C3FBDAB07" type="DOI">10.11646/zootaxa.5437.3.1</mods:identifier>
<mods:identifier id="BEFCEBC8221CE111D581EFE2C1D7B49F" type="GBIF-Dataset">6c295c3c-1b9e-4ea6-9d17-4005b99c5a5b</mods:identifier>
<mods:identifier id="C660AA59C555691B792B90EB56FAED20" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="29CC6E00306E7F3AC9CBF62F3BFEB8E0" type="Zenodo-Dep">10984877</mods:identifier>
<mods:identifier id="8AEF8B25B0AD50DDC3EAD208BF8F9E99" type="ZooBank">F06B9D4F-B890-41E2-AC14-9C7DD717DFE8</mods:identifier>
</mods:mods>
<treatment id="0387C212202F6976FF0670CDEF57FE10" ID-DOI="http://doi.org/10.5281/zenodo.10997525" ID-Zenodo-Dep="10997525" LSID="urn:lsid:plazi:treatment:0387C212202F6976FF0670CDEF57FE10" httpUri="http://treatment.plazi.org/id/0387C212202F6976FF0670CDEF57FE10" lastPageId="26" lastPageNumber="326" pageId="24" pageNumber="325">
<subSubSection id="C334208F202F6974FF0670CDE825F9BD" box="[151,629,1510,1537]" pageId="24" pageNumber="325" type="nomenclature">
<paragraph id="8B917304202F6974FF0670CDE825F9BD" blockId="24.[151,629,1510,1537]" box="[151,629,1510,1537]" pageId="24" pageNumber="325">
<heading id="D0D9C468202F6974FF0670CDE825F9BD" bold="true" box="[151,629,1510,1537]" fontSize="11" level="1" pageId="24" pageNumber="325" reason="1">
<emphasis id="B95AAF16202F6974FF0670CDE825F9BD" bold="true" box="[151,629,1510,1537]" pageId="24" pageNumber="325">
Validity of
<taxonomicName id="4C2E0887202F6974FEB270CDE825F9BD" ID-CoL="7PH5J" authority="Thomsen 1949" authorityName="Thomsen" authorityYear="1949" box="[291,629,1510,1537]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202F6974FEB270CDEBE7F9BC" bold="true" box="[291,439,1510,1537]" italics="true" pageId="24" pageNumber="325">Metacaligus</emphasis>
<bibRefCitation id="EFBF0EF5202F6974FE2E70CCE825F9BD" author="Thomsen, R." box="[447,629,1510,1537]" pageId="24" pageNumber="325" pagination="1 - 41" refId="ref19418" refString="Thomsen, R. (1949) Copepodos parasitos de los peces marinos del Uruguay. Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo, 3, 1 - 41." type="journal article" year="1949">Thomsen 1949</bibRefCitation>
</taxonomicName>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C334208F202F6976FF067304EF57FE10" lastPageId="26" lastPageNumber="327" pageId="24" pageNumber="325" type="discussion">
<paragraph id="8B917304202F6975FF067304EB8BFEA0" blockId="24.[151,1437,1583,2041]" lastBlockId="25.[151,1437,151,2013]" lastPageId="25" lastPageNumber="326" pageId="24" pageNumber="325">
<taxonomicName id="4C2E0887202F6974FF067304EB71F9F4" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[151,289,1583,1609]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202F6974FF067304EB71F9F4" box="[151,289,1583,1609]" italics="true" pageId="24" pageNumber="325">Metacaligus</emphasis>
</taxonomicName>
was originally established by
<bibRefCitation id="EFBF0EF5202F6974FDEE7304E96AF9F4" author="Thomsen, R." box="[639,826,1583,1609]" pageId="24" pageNumber="325" pagination="1 - 41" refId="ref19418" refString="Thomsen, R. (1949) Copepodos parasitos de los peces marinos del Uruguay. Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo, 3, 1 - 41." type="journal article" year="1949">Thomsen (1949)</bibRefCitation>
as a subgenus of
<taxonomicName id="4C2E0887202F6974FB9B7304EE31F9F4" ID-CoL="7NRKH" authorityName="O. F. Muller" authorityYear="1785" box="[1034,1121,1583,1609]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202F6974FB9B7304EE31F9F4" box="[1034,1121,1583,1609]" italics="true" pageId="24" pageNumber="325">Caligus</emphasis>
</taxonomicName>
in order to accommodate a new species,
<taxonomicName id="4C2E0887202F6974FEA37378E9DEF9D0" ID-CoL="BGZKW" authority="Thomsen, 1949" authorityName="Thomsen" authorityYear="1949" box="[306,910,1619,1645]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="uruguayensis" subGenus="Metacaligus">
<emphasis id="B95AAF16202F6974FEA37378EBD9F9D0" box="[306,393,1619,1645]" italics="true" pageId="24" pageNumber="325">Caligus</emphasis>
(
<emphasis id="B95AAF16202F6974FE0C7378E877F9D0" box="[413,551,1619,1645]" italics="true" pageId="24" pageNumber="325">Metacaligus</emphasis>
)
<emphasis id="B95AAF16202F6974FDAB7378E89FF9D1" box="[570,719,1619,1644]" italics="true" pageId="24" pageNumber="325">uruguayensis</emphasis>
<bibRefCitation id="EFBF0EF5202F6974FD4B7378E9DEF9D0" author="Thomsen, R." box="[730,910,1619,1645]" pageId="24" pageNumber="325" pagination="1 - 41" refId="ref19418" refString="Thomsen, R. (1949) Copepodos parasitos de los peces marinos del Uruguay. Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo, 3, 1 - 41." type="journal article" year="1949">Thomsen, 1949</bibRefCitation>
</taxonomicName>
, which was based on material collected from
<taxonomicName id="4C2E0887202F6974FF06735CE86CF92C" ID-CoL="589FX" authority="(Linnaeus, 1758)" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[151,572,1654,1681]" family="Trichiuridae" genus="Trichiurus" kingdom="Animalia" order="Perciformes" pageId="24" pageNumber="325" phylum="Chordata" rank="species" species="lepturus">
<emphasis id="B95AAF16202F6974FF06735CEB22F92C" box="[151,370,1655,1681]" italics="true" pageId="24" pageNumber="325">Trichiurus lepturus</emphasis>
(
<bibRefCitation id="EFBF0EF5202F6974FE12735CE864F92C" author="Linnaeus, C." box="[387,564,1654,1681]" pageId="24" pageNumber="325" refId="ref17724" refString="Linnaeus, C. (1758) Systema naturae per Regna tria naturae, secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Tomus I. Editio decima, reformata. Impensis Direct. Laurentii Salvii, Holmiae, ii + 824 pp. https: // doi. org / 10.5962 / bhl. title. 542" type="book" year="1758">Linnaeus, 1758</bibRefCitation>
)
</taxonomicName>
caught in the estuary of the Rio de la Plata,
<collectingCountry id="F3393394202F6974FBD3735CEEF8F92C" box="[1090,1192,1655,1681]" name="Uruguay" pageId="24" pageNumber="325">Uruguay</collectingCountry>
. His species lacked a sternal furca and
<bibRefCitation id="EFBF0EF5202F6974FEC673B0E840F908" author="Thomsen, R." box="[343,528,1691,1717]" pageId="24" pageNumber="325" pagination="1 - 41" refId="ref19418" refString="Thomsen, R. (1949) Copepodos parasitos de los peces marinos del Uruguay. Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo, 3, 1 - 41." type="journal article" year="1949">Thomsen (1949)</bibRefCitation>
transferred three other species,
<taxonomicName id="4C2E0887202F6974FCE273B0EEFAF908" ID-CoL="PKJP" authority="Wilson, 1908" authorityName="Wilson" authorityYear="1908" box="[883,1194,1691,1717]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="rufus">
<emphasis id="B95AAF16202F6974FCE273B0EE5AF908" box="[883,1034,1691,1717]" italics="true" pageId="24" pageNumber="325">Caligus rufus</emphasis>
<bibRefCitation id="EFBF0EF5202F6974FB8173B0EEFAF908" author="Wilson, C. B." box="[1040,1194,1691,1717]" pageId="24" pageNumber="325" pagination="593 - 627" refId="ref19953" refString="Wilson, C. B. (1908) North American parasitic copepods: New genera and species of Caliginae. Proceedings of the United States National Museum, 33, 593 - 627. https: // doi. org / 10.5479 / si. 00963801.33 - 1580.593" type="journal article" year="1908">Wilson, 1908</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C2E0887202F6974FB2573B0EA9FF964" ID-CoL="PK8V" authority="Wilson, 1913" authorityName="Wilson" authorityYear="1913" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="afurcatus">
<emphasis id="B95AAF16202F6974FB2573B0EF6EF908" box="[1204,1342,1691,1717]" italics="true" pageId="24" pageNumber="325">C. afurcatus</emphasis>
<bibRefCitation id="EFBF0EF5202F6974FAD573B0EA9FF964" author="Wilson, C. B." pageId="24" pageNumber="325" pagination="189 - 227" refId="ref20002" refString="Wilson, C. B. (1913) Crustacean parasites of West Indian fishes and land crabs, with descriptions of new genera and species. Proceedings of the United States National Museum, 44, 189 - 227. https: // doi. org / 10.5479 / si. 00963801.44 - 1950.189" type="journal article" year="1913">Wilson, 1913</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="4C2E0887202F6974FE9A7394E87FF964" ID-CoL="PKC8" authority="Wilson, 1913" authorityName="Wilson" authorityYear="1913" box="[267,559,1727,1753]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="enormis">
<emphasis id="B95AAF16202F6974FE9A7394EBD9F965" box="[267,393,1727,1753]" italics="true" pageId="24" pageNumber="325">C. enormis</emphasis>
<bibRefCitation id="EFBF0EF5202F6974FE037394E87FF964" author="Wilson, C. B." box="[402,559,1727,1753]" pageId="24" pageNumber="325" pagination="189 - 227" refId="ref20002" refString="Wilson, C. B. (1913) Crustacean parasites of West Indian fishes and land crabs, with descriptions of new genera and species. Proceedings of the United States National Museum, 44, 189 - 227. https: // doi. org / 10.5479 / si. 00963801.44 - 1950.189" type="journal article" year="1913">Wilson, 1913</bibRefCitation>
</taxonomicName>
, into his new subgenus because they apparently shared the lack of a sternal furca.
<bibRefCitation id="EFBF0EF5202F6974FF4E73C8EBA8F940" author="Ho, J. &amp; Bashirullah, A." box="[223,504,1763,1789]" pageId="24" pageNumber="325" pagination="703 - 714" refId="ref16815" refString="Ho, J. &amp; Bashirullah, A. (1977) Two species of caligid copepods (Crustacea) parasitic on marine fishes of Venezuela, with discussion of Metacaligus Thomsen, 1949. Journal of Natural History, 11, 703 - 714. https: // doi. org / 10.1080 / 00222937700770601" type="journal article" year="1977">Ho &amp; Bashirullah (1977)</bibRefCitation>
proposed to raise
<taxonomicName id="4C2E0887202F6974FD5673C8E901F940" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[711,849,1763,1789]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202F6974FD5673C8E901F940" box="[711,849,1763,1789]" italics="true" pageId="24" pageNumber="325">Metacaligus</emphasis>
</taxonomicName>
to generic status and, in addition to the
<typeStatus id="5495CDA6202F6974FA8573C8EF14F940" box="[1300,1348,1763,1789]" pageId="24" pageNumber="325">type</typeStatus>
species
<taxonomicName id="4C2E0887202F6974FF06722CE84FF89C" ID-CoL="BGZKW" authority="(Thomsen, 1949)" baseAuthorityName="Thomsen" baseAuthorityYear="1949" box="[151,543,1799,1825]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="uruguayensis">
<emphasis id="B95AAF16202F6974FF06722CEB03F89D" box="[151,339,1799,1824]" italics="true" pageId="24" pageNumber="325">M. uruguayensis</emphasis>
(
<bibRefCitation id="EFBF0EF5202F6974FEF2722CE848F89C" author="Thomsen, R." box="[355,536,1799,1825]" pageId="24" pageNumber="325" pagination="1 - 41" refId="ref19418" refString="Thomsen, R. (1949) Copepodos parasitos de los peces marinos del Uruguay. Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo, 3, 1 - 41." type="journal article" year="1949">Thomsen, 1949</bibRefCitation>
)
</taxonomicName>
, they included two other species in the genus,
<taxonomicName id="4C2E0887202F6974FBA3722CEF15F89C" ID-CoL="PKJP" authority="(Wilson, 1908)" baseAuthorityName="Wilson" baseAuthorityYear="1908" box="[1074,1349,1799,1825]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="rufus">
<emphasis id="B95AAF16202F6974FBA3722CEEC3F89C" box="[1074,1171,1799,1825]" italics="true" pageId="24" pageNumber="325">M. rufus</emphasis>
(
<bibRefCitation id="EFBF0EF5202F6974FB33722CEF6DF89C" author="Wilson, C. B." box="[1186,1341,1799,1825]" pageId="24" pageNumber="325" pagination="593 - 627" refId="ref19953" refString="Wilson, C. B. (1908) North American parasitic copepods: New genera and species of Caliginae. Proceedings of the United States National Museum, 33, 593 - 627. https: // doi. org / 10.5479 / si. 00963801.33 - 1580.593" type="journal article" year="1908">Wilson, 1908</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="4C2E0887202F6974FAEF722CEB23F8F8" ID-CoL="428SJ" authority="(Shen, 1957)" baseAuthorityName="Shen" baseAuthorityYear="1957" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="hilsae">
<emphasis id="B95AAF16202F6974FAEF722CEA8AF8F8" italics="true" pageId="24" pageNumber="325">M. hilsae</emphasis>
(
<bibRefCitation id="EFBF0EF5202F6974FF797200EB3AF8F8" author="Shen, C." box="[232,362,1834,1861]" pageId="24" pageNumber="325" pagination="351 - 378" refId="ref18770" refString="Shen, C. (1957) Parasitic copepods from fishes of China. II. Caligoida, Caligidae (1). Acta Zoologica Sinica, 9 (4), 351 - 378." type="journal article" year="1957">Shen, 1957</bibRefCitation>
)
</taxonomicName>
.
<taxonomicName id="4C2E0887202F6974FEEC7200E817F8F8" ID-CoL="428SL" baseAuthorityName="Wilson" baseAuthorityYear="1908" box="[381,583,1835,1861]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="rufus">
<emphasis id="B95AAF16202F6974FEEC7200E817F8F8" box="[381,583,1835,1861]" italics="true" pageId="24" pageNumber="325">Metacaligus rufus</emphasis>
</taxonomicName>
was collected from an ariid catfish,
<taxonomicName id="4C2E0887202F6974FC467200EA89F8D4" ID-CoL="KDYK" authority="(Mitchill, 1815) (Wilson, 1908)" authorityName="Wilson" authorityYear="1908" baseAuthorityName="Mitchill" baseAuthorityYear="1815" family="Ariidae" genus="Bagre" kingdom="Animalia" order="Siluriformes" pageId="24" pageNumber="325" phylum="Chordata" rank="species" species="marinus">
<emphasis id="B95AAF16202F6974FC467200EE2DF8F9" box="[983,1149,1835,1860]" italics="true" pageId="24" pageNumber="325">Bagre marinus</emphasis>
(
<bibRefCitation id="EFBF0EF5202F6974FB1A7200EF7DF8F8" author="Mitchill, S. L." box="[1163,1325,1834,1861]" pageId="24" pageNumber="325" pagination="355 - 492" refId="ref17930" refString="Mitchill, S. L. (1815) The fishes of New-York, described and arranged. Transactions of the Literary and Philosophical Society of New York, 1, 355 - 492." type="journal article" year="1815">Mitchill, 1815</bibRefCitation>
) (
<bibRefCitation id="EFBF0EF5202F6974FAD27200EA80F8D4" author="Wilson, C. B." pageId="24" pageNumber="325" pagination="593 - 627" refId="ref19953" refString="Wilson, C. B. (1908) North American parasitic copepods: New genera and species of Caliginae. Proceedings of the United States National Museum, 33, 593 - 627. https: // doi. org / 10.5479 / si. 00963801.33 - 1580.593" type="journal article" year="1908">Wilson, 1908</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="4C2E0887202F6974FE9C7264EB24F8D4" ID-CoL="428SJ" baseAuthorityName="Shen" baseAuthorityYear="1957" box="[269,372,1871,1897]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="hilsae">
<emphasis id="B95AAF16202F6974FE9C7264EB24F8D4" box="[269,372,1871,1897]" italics="true" pageId="24" pageNumber="325">M. hilsae</emphasis>
</taxonomicName>
from a dorosomatid clupeiform host,
<taxonomicName id="4C2E0887202F6974FC867264EE96F8D4" ID-CoL="7BQFJ" authority="(Richardson, 1846)" baseAuthorityName="Richardson" baseAuthorityYear="1846" box="[791,1222,1871,1897]" family="Clupeidae" genus="Tenualosa" kingdom="Animalia" order="Clupeiformes" pageId="24" pageNumber="325" phylum="Chordata" rank="species" species="reevesii">
<emphasis id="B95AAF16202F6974FC867264E9B9F8D5" box="[791,1001,1871,1897]" italics="true" pageId="24" pageNumber="325">Tenualosa reevesii</emphasis>
(
<bibRefCitation id="EFBF0EF5202F6974FC677264EEEDF8D4" author="Richardson, J." box="[1014,1213,1871,1897]" pageId="24" pageNumber="325" pagination="187 - 320" refId="ref18586" refString="Richardson, J. (1846) Report on the ichthyology of the seas of China and Japan. Report of the British Association for the Advancement of Science 15 th Meeting, 1845, 187 - 320. https: // doi. org / 10.5962 / bhl. title. 59530" type="journal article" year="1846">Richardson, 1846</bibRefCitation>
)
</taxonomicName>
(as
<taxonomicName id="4C2E0887202F6974FB637264EFDCF8D5" ID-CoL="3LXJF" baseAuthorityName="Richardson" baseAuthorityYear="1846" box="[1266,1420,1871,1897]" family="Clupeidae" genus="Hilsa" kingdom="Animalia" order="Clupeiformes" pageId="24" pageNumber="325" phylum="Chordata" rank="species" species="reevesii">
<emphasis id="B95AAF16202F6974FB637264EFDCF8D5" box="[1266,1420,1871,1897]" italics="true" pageId="24" pageNumber="325">Hilsa reevesii</emphasis>
</taxonomicName>
). After re-examination of the
<typeStatus id="5495CDA6202F6974FE427258E853F830" box="[467,515,1907,1933]" pageId="24" pageNumber="325">type</typeStatus>
material of
<taxonomicName id="4C2E0887202F6974FD1D7258E905F830" ID-CoL="PK8V" authorityName="Wilson" authorityYear="1913" box="[652,853,1907,1933]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="afurcatus">
<emphasis id="B95AAF16202F6974FD1D7258E905F830" box="[652,853,1907,1933]" italics="true" pageId="24" pageNumber="325">Caligus afurcatus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C2E0887202F6974FC1D7258EF60F830" ID-CoL="PKC8" authority=", Ho &amp; Bashirullah (1977)" authorityName=", Ho &amp; Bashirullah" authorityYear="1977" box="[908,1328,1907,1933]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="enormis">
<emphasis id="B95AAF16202F6974FC1D7258EE57F831" box="[908,1031,1907,1933]" italics="true" pageId="24" pageNumber="325">C. enormis</emphasis>
,
<bibRefCitation id="EFBF0EF5202F6974FB877258EF60F830" author="Ho, J. &amp; Bashirullah, A." box="[1046,1328,1907,1933]" pageId="24" pageNumber="325" pagination="703 - 714" refId="ref16815" refString="Ho, J. &amp; Bashirullah, A. (1977) Two species of caligid copepods (Crustacea) parasitic on marine fishes of Venezuela, with discussion of Metacaligus Thomsen, 1949. Journal of Natural History, 11, 703 - 714. https: // doi. org / 10.1080 / 00222937700770601" type="journal article" year="1977">Ho &amp; Bashirullah (1977)</bibRefCitation>
</taxonomicName>
excluded both species from
<taxonomicName id="4C2E0887202F6974FEF472BCEBBFF80C" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[357,495,1943,1969]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202F6974FEF472BCEBBFF80C" box="[357,495,1943,1969]" italics="true" pageId="24" pageNumber="325">Metacaligus</emphasis>
</taxonomicName>
even though the sternal furca is absent, because they lacked the “
<taxonomicName id="4C2E0887202F6974FB5F72BCEF08F80C" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[1230,1368,1943,1969]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202F6974FB5F72BCEF08F80C" box="[1230,1368,1943,1969]" italics="true" pageId="24" pageNumber="325">Metacaligus</emphasis>
</taxonomicName>
<typeStatus id="5495CDA6202F6974FAF172BCEFC2F80C" box="[1376,1426,1943,1969]" pageId="24" pageNumber="325">type</typeStatus>
” of leg 1 (with a large spine 1 and progressively smaller spines 2 and 3 (both lacking an accessory process), a long seta 4, plus 3 reduced plumose setae along the posterior margin of the distal exopodal segment). In
<taxonomicName id="4C2E0887202F6974FA8172F4EFCCF844" ID-CoL="PK8V" authorityName="Wilson" authorityYear="1913" box="[1296,1436,2015,2041]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="24" pageNumber="325" phylum="Arthropoda" rank="species" species="afurcatus">
<emphasis id="B95AAF16202F6974FA8172F4EFCCF844" box="[1296,1436,2015,2041]" italics="true" pageId="24" pageNumber="325">C. afurcatus</emphasis>
</taxonomicName>
spine 1 is minute and spines 2 and 3 each have an accessory process, and in
<taxonomicName id="4C2E0887202E6975FC7675BCEE31FF0D" ID-CoL="PKC8" authorityName=", Ho &amp; Bashirullah" authorityYear="1977" box="[999,1121,151,177]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="enormis">
<emphasis id="B95AAF16202E6975FC7675BCEE31FF0D" box="[999,1121,151,177]" italics="true" pageId="25" pageNumber="326">C. enormis</emphasis>
</taxonomicName>
spine 1 is apparently absent and spines 2 and 3 each have an accessory process.
<bibRefCitation id="EFBF0EF5202E6975FD747590EE6FFF68" author="Boxshall, G. A. &amp; El-Rashidy, H. H." box="[741,1087,187,213]" pageId="25" pageNumber="326" pagination="1 - 26" refId="ref15586" refString="Boxshall, G. A. &amp; El-Rashidy, H. H. (2009) A review of the Caligus productus species group, with the description of a new species, new synonymies and supplementary descriptions. Zootaxa, 2271 (1), 1 - 26. https: // doi. org / 10.11646 / zootaxa. 2271.1.1" type="journal article" year="2009">Boxshall &amp; El-Rashidy (2009)</bibRefCitation>
placed the latter species in the
<taxonomicName id="4C2E0887202E6975FF0675F4EB35FF44" ID-CoL="PKHY" authorityName="Dana" authorityYear="1852" box="[151,357,223,249]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="productus">
<emphasis id="B95AAF16202E6975FF0675F4EB35FF44" box="[151,357,223,249]" italics="true" pageId="25" pageNumber="326">Caligus productus</emphasis>
</taxonomicName>
-species group due to the loss of 2 plumose setae and the reduction of the third from the posterior margin of the same segment.
</paragraph>
<paragraph id="8B917304202E6975FF56740CEB8AFC3C" blockId="25.[151,1437,151,2013]" pageId="25" pageNumber="326">
<bibRefCitation id="EFBF0EF5202E6975FF56740CEB09FEFC" author="Pillai, N. K." box="[199,345,294,321]" pageId="25" pageNumber="326" refId="ref18514" refString="Pillai, N. K. (1985) Fauna of India. Parasitic copepods of marine fishes. Zoological Survey of India, Calcutta, 900 pp." type="book" year="1985">Pillai (1985)</bibRefCitation>
recognized that
<taxonomicName id="4C2E0887202E6975FDB2740CE908FEFC" ID-CoL="PKD7" authority="Shen, 1957" authorityName="Shen" authorityYear="1957" box="[547,856,294,321]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="hilsae">
<emphasis id="B95AAF16202E6975FDB2740CE899FEFC" box="[547,713,295,321]" italics="true" pageId="25" pageNumber="326">Caligus hilsae</emphasis>
<bibRefCitation id="EFBF0EF5202E6975FD44740CE908FEFC" author="Shen, C." box="[725,856,294,321]" pageId="25" pageNumber="326" pagination="351 - 378" refId="ref18770" refString="Shen, C. (1957) Parasitic copepods from fishes of China. II. Caligoida, Caligidae (1). Acta Zoologica Sinica, 9 (4), 351 - 378." type="journal article" year="1957">Shen, 1957</bibRefCitation>
</taxonomicName>
was a junior synonym of
<taxonomicName id="4C2E0887202E6975FB0B740CEBEBFED8" ID-CoL="PKLM" authority="Rangnekar &amp; Murti, 1950" authorityName="Rangnekar &amp; Murti" authorityYear="1950" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="unguidentatus">
<emphasis id="B95AAF16202E6975FB0B740CEFCDFEFC" box="[1178,1437,295,321]" italics="true" pageId="25" pageNumber="326">Caligus unguidentatus</emphasis>
<bibRefCitation id="EFBF0EF5202E6975FF067460EBEBFED8" author="Rangnekar, P. G. &amp; Murti, N. N." box="[151,443,330,357]" pageId="25" pageNumber="326" pagination="21 - 28" refId="ref18543" refString="Rangnekar, P. G. &amp; Murti, N. N. (1950) A new caligid copepod parasitic on the fish Clupea toli. Journal of the University of Bombay, Series B, 18, 21 - 28." type="journal article" year="1950">Rangnekar &amp; Murti, 1950</bibRefCitation>
</taxonomicName>
but placed this species in
<taxonomicName id="4C2E0887202E6975FD737460E969FED8" ID-CoL="7NRKH" authorityName="O. F. Muller" authorityYear="1785" box="[738,825,331,357]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FD737460E969FED8" box="[738,825,331,357]" italics="true" pageId="25" pageNumber="326">Caligus</emphasis>
</taxonomicName>
due to Thomsens proposal of a new subgenus having “apparently failed to get accepted”.
<taxonomicName id="4C2E0887202E6975FDB77444E973FE34" ID-CoL="PKLM" authorityName="Rangnekar &amp; Murti" authorityYear="1950" box="[550,803,367,393]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="unguidentatus">
<emphasis id="B95AAF16202E6975FDB77444E973FE34" box="[550,803,367,393]" italics="true" pageId="25" pageNumber="326">Caligus unguidentatus</emphasis>
</taxonomicName>
was transferred to
<taxonomicName id="4C2E0887202E6975FC677444EED0FE34" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[1014,1152,367,393]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FC677444EED0FE34" box="[1014,1152,367,393]" italics="true" pageId="25" pageNumber="326">Metacaligus</emphasis>
</taxonomicName>
by
<bibRefCitation id="EFBF0EF5202E6975FB387444EF36FE34" author="Ho, J. &amp; Lin, C. - L." box="[1193,1382,367,393]" pageId="25" pageNumber="326" pagination="1363 - 1375" refId="ref16871" refString="Ho, J. &amp; Lin, C. - L. (2002) New species of Metacaligus (Caligidae, Copepoda) parasitic on the Cutlassfish (Trichiurus lepturus) of Taiwan, with a cladistic analysis of the family Caligidae. Zoological Science, 19, 1363 - 1375. https: // doi. org / 10.2108 / zsj. 19.1363" type="journal article" year="2002">Ho &amp; Lin (2002)</bibRefCitation>
who considered it to be a valid genus, and they added a fourth species,
<taxonomicName id="4C2E0887202E6975FCFD74B8EE2EFE10" ID-CoL="5X5YJ" authority="Ho &amp; Lin, 2002" authorityName="Ho &amp; Lin" authorityYear="2002" box="[876,1150,403,429]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="latus">
<emphasis id="B95AAF16202E6975FCFD74B8E996FE10" box="[876,966,403,429]" italics="true" pageId="25" pageNumber="326">M. latus</emphasis>
<bibRefCitation id="EFBF0EF5202E6975FC5D74B8EE2EFE10" author="Ho, J. &amp; Lin, C. - L." box="[972,1150,403,429]" pageId="25" pageNumber="326" pagination="1363 - 1375" refId="ref16871" refString="Ho, J. &amp; Lin, C. - L. (2002) New species of Metacaligus (Caligidae, Copepoda) parasitic on the Cutlassfish (Trichiurus lepturus) of Taiwan, with a cladistic analysis of the family Caligidae. Zoological Science, 19, 1363 - 1375. https: // doi. org / 10.2108 / zsj. 19.1363" type="journal article" year="2002">Ho &amp; Lin, 2002</bibRefCitation>
</taxonomicName>
, taken from the same host species,
<taxonomicName id="4C2E0887202E6975FF64749CEB9EFE6C" ID-CoL="589FX" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[245,462,439,465]" family="Trichiuridae" genus="Trichiurus" kingdom="Animalia" order="Perciformes" pageId="25" pageNumber="326" phylum="Chordata" rank="species" species="lepturus">
<emphasis id="B95AAF16202E6975FF64749CEB9EFE6C" box="[245,462,439,465]" italics="true" pageId="25" pageNumber="326">Trichiurus lepturus</emphasis>
</taxonomicName>
, as the
<typeStatus id="5495CDA6202E6975FDB1749CE800FE6C" box="[544,592,439,465]" pageId="25" pageNumber="326">type</typeStatus>
species.
<bibRefCitation id="EFBF0EF5202E6975FD24749CE9D9FE6C" author="Hayes, P. &amp; Justine, J. - L. &amp; Boxshall, G. A." box="[693,905,439,465]" pageId="25" pageNumber="326" pagination="21 - 39" refId="ref16449" refString="Hayes, P., Justine, J. - L. &amp; Boxshall, G. A. (2012) The genus Caligus M ¸ ller, 1785 (Copepoda: Siphonostomatoida): two new species from reef associated fishes in New Caledonia, and some nomenclatural problems resolved. Zootaxa, 3534 (1), 21 - 39. https: // doi. org / 10.11646 / zootaxa. 3534.1.2" type="journal article" year="2012">
Hayes
<emphasis id="B95AAF16202E6975FC90749CE968FE6C" box="[769,824,439,465]" italics="true" pageId="25" pageNumber="326">et al.</emphasis>
(2012)
</bibRefCitation>
recognized that
<taxonomicName id="4C2E0887202E6975FBD1749CEFC8FE6C" ID-CoL="695YK" authority="Kroyer, 1863" authorityName="Kroyer" authorityYear="1863" box="[1088,1432,439,465]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="trichiuri">
<emphasis id="B95AAF16202E6975FBD1749CEEAAFE6C" box="[1088,1274,439,465]" italics="true" pageId="25" pageNumber="326">Caligus trichiuri</emphasis>
<bibRefCitation id="EFBF0EF5202E6975FA90749CEFC8FE6C" author="Kroyer, H." box="[1281,1432,439,465]" pageId="25" pageNumber="326" pagination="75 - 320" refId="ref17479" refString="Kroyer, H. (1863) Bidrag til Kundskab om Snyltekrebsene. Naturhistorisk Tidsskrift, Series III, 2, 75 - 320." type="journal article" year="1863">Krøyer, 1863</bibRefCitation>
</taxonomicName>
, originally reported from the same host (as
<taxonomicName id="4C2E0887202E6975FDFA74F0E919FE48" baseAuthorityName="Forsskål" baseAuthorityYear="1775" box="[619,841,475,501]" family="Trichiuridae" genus="Trichiurus" kingdom="Animalia" order="Perciformes" pageId="25" pageNumber="326" phylum="Chordata" rank="species" species="haumala">
<emphasis id="B95AAF16202E6975FDFA74F0E919FE48" box="[619,841,475,501]" italics="true" pageId="25" pageNumber="326">Trichiurus haumala</emphasis>
</taxonomicName>
), was a senior synonym of
<taxonomicName id="4C2E0887202E6975FBE674F0EFCCFE49" ID-CoL="428SP" authorityName="Thomsen" authorityYear="1949" box="[1143,1436,475,501]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="uruguayensis">
<emphasis id="B95AAF16202E6975FBE674F0EFCCFE49" box="[1143,1436,475,501]" italics="true" pageId="25" pageNumber="326">Metacaligus uruguayensis</emphasis>
</taxonomicName>
and transferred it as
<taxonomicName id="4C2E0887202E6975FE1774D4E97EFDA4" ID-CoL="428SM" authority="(Kroyer, 1863)" baseAuthorityName="Kroyer" baseAuthorityYear="1863" box="[390,814,511,537]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="trichiuri">
<emphasis id="B95AAF16202E6975FE1774D4E827FDA4" box="[390,631,511,537]" italics="true" pageId="25" pageNumber="326">Metacaligus trichiuri</emphasis>
(
<bibRefCitation id="EFBF0EF5202E6975FD1974D4E975FDA4" author="Kroyer, H." box="[648,805,511,537]" pageId="25" pageNumber="326" pagination="75 - 320" refId="ref17479" refString="Kroyer, H. (1863) Bidrag til Kundskab om Snyltekrebsene. Naturhistorisk Tidsskrift, Series III, 2, 75 - 320." type="journal article" year="1863">Krøyer, 1863</bibRefCitation>
)
</taxonomicName>
. Finally,
<bibRefCitation id="EFBF0EF5202E6975FC0A74D4EEA3FDA4" author="Suarez-Morales, E. &amp; Kim, I. - H. &amp; Escamilla, B. J." box="[923,1267,511,537]" pageId="25" pageNumber="326" pagination="804 - 818" refId="ref19296" refString="Suarez-Morales, E., Kim, I. - H. &amp; Escamilla, B. J. (2012 b) On some Caligids (Copepoda: Caligidae) from plankton of a coastal lagoon in the Gulf of Mexico with a description of a new species of Metacaligus. Zoological Studies, 51, 804 - 818." type="journal article" year="2012">
Suárez-Morales
<emphasis id="B95AAF16202E6975FBC774D4EEC1FDA4" box="[1110,1169,511,537]" italics="true" pageId="25" pageNumber="326">et al.</emphasis>
(2012b)
</bibRefCitation>
added another species,
<taxonomicName id="4C2E0887202E6975FF667708EBFFFD81" ID-CoL="428SQ" authorityName="Suarez-Morales, Kim &amp; Escamilla" authorityYear="2012" box="[247,431,547,572]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="yucatanensis">
<emphasis id="B95AAF16202E6975FF667708EBFFFD81" box="[247,431,547,572]" italics="true" pageId="25" pageNumber="326">M. yucatanensis</emphasis>
</taxonomicName>
, found in the plankton in a coastal lagoon in the Gulf of
<collectingRegion id="49EABDE6202E6975FBA87708EEC2FD80" box="[1081,1170,547,573]" country="Mexico" name="Mexico" pageId="25" pageNumber="326">Mexico</collectingRegion>
. In their analysis of the systematics of caligid genera,
<bibRefCitation id="EFBF0EF5202E6975FE7E776CE89DFDDC" author="Dojiri, M. &amp; Ho, J. - S." box="[495,717,583,609]" pageId="25" pageNumber="326" refId="ref16258" refString="Dojiri, M. &amp; Ho, J. - S. (2013) Systematics of the Caligidae, copepods parasitic on marine fishes. Crustaceana Monographs 18. Brill, Leiden and Boston, 448 pp. https: // doi. org / 10.1163 / 9789004204256" type="book" year="2013">Dojiri &amp; Ho (2013)</bibRefCitation>
treated
<taxonomicName id="4C2E0887202E6975FCBB776CE9E4FDDC" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[810,948,583,609]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FCBB776CE9E4FDDC" box="[810,948,583,609]" italics="true" pageId="25" pageNumber="326">Metacaligus</emphasis>
</taxonomicName>
as a valid genus and noted four diagnostic character states the combination of which could be used to separate this genus from
<taxonomicName id="4C2E0887202E6975FBCD7740EEE3FD38" ID-CoL="7NRKH" authorityName="O. F. Muller" authorityYear="1785" box="[1116,1203,619,645]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FBCD7740EEE3FD38" box="[1116,1203,619,645]" italics="true" pageId="25" pageNumber="326">Caligus</emphasis>
</taxonomicName>
, namely: 1, the lack of a sternal furca; 2, the lack of accessory processes on spines 2 and 3 on the distal margin of the second exopodal segment of leg 1; 3, the 3 plumose setae on the posterior margin of the same segment are short (i.e. shorter than the segment); and 4, there is only 1 outer spine on the third exopodal segment of leg 2. As pointed out by
<bibRefCitation id="EFBF0EF5202E6975FA8277FCEAB4FCA8" author="Dojiri, M. &amp; Ho, J. - S." pageId="25" pageNumber="326" refId="ref16258" refString="Dojiri, M. &amp; Ho, J. - S. (2013) Systematics of the Caligidae, copepods parasitic on marine fishes. Crustaceana Monographs 18. Brill, Leiden and Boston, 448 pp. https: // doi. org / 10.1163 / 9789004204256" type="book" year="2013">Dojiri &amp; Ho (2013)</bibRefCitation>
, all these character states can be found individually in particular species of
<emphasis id="B95AAF16202E6975FBBA77D0EED9FCA8" box="[1067,1161,763,789]" italics="true" pageId="25" pageNumber="326">
<taxonomicName id="4C2E0887202E6975FBBA77D0EED5FCA8" ID-CoL="7NRKH" authorityName="O. F. Muller" authorityYear="1785" box="[1067,1157,763,789]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">Caligus</taxonomicName>
,
</emphasis>
but the full combination is found only in species of
<taxonomicName id="4C2E0887202E6975FE5E7634E809FC84" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[463,601,799,825]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FE5E7634E809FC84" box="[463,601,799,825]" italics="true" pageId="25" pageNumber="326">Metacaligus</emphasis>
</taxonomicName>
. [The description of
<taxonomicName id="4C2E0887202E6975FCDA7634EE53FC85" ID-CoL="428SQ" authorityName="Suarez-Morales, Kim &amp; Escamilla" authorityYear="2012" box="[843,1027,799,824]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="yucatanensis">
<emphasis id="B95AAF16202E6975FCDA7634EE53FC85" box="[843,1027,799,824]" italics="true" pageId="25" pageNumber="326">M. yucatanensis</emphasis>
</taxonomicName>
only appeared in 2012, presumably after
<bibRefCitation id="EFBF0EF5202E6975FF457668EBEBFCE0" author="Dojiri, M. &amp; Ho, J. - S." box="[212,443,835,861]" pageId="25" pageNumber="326" refId="ref16258" refString="Dojiri, M. &amp; Ho, J. - S. (2013) Systematics of the Caligidae, copepods parasitic on marine fishes. Crustaceana Monographs 18. Brill, Leiden and Boston, 448 pp. https: // doi. org / 10.1163 / 9789004204256" type="book" year="2013">Dojiri &amp; Ho (2013)</bibRefCitation>
s analysis of caligid systematics had gone to press, and therefore, this species was not included in their discussion.]
</paragraph>
<paragraph id="8B917304202E6975FF5676A0EEA7FAB0" blockId="25.[151,1437,151,2013]" pageId="25" pageNumber="326">
<taxonomicName id="4C2E0887202E6975FF5676A0EB01FC18" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[199,337,907,933]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FF5676A0EB01FC18" box="[199,337,907,933]" italics="true" pageId="25" pageNumber="326">Metacaligus</emphasis>
</taxonomicName>
, as currently constituted, is heterogeneous:
<taxonomicName id="4C2E0887202E6975FCAE76A0E9A6FC19" ID-CoL="428SQ" authorityName="Suarez-Morales, Kim &amp; Escamilla" authorityYear="2012" box="[831,1014,907,932]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="yucatanensis">
<emphasis id="B95AAF16202E6975FCAE76A0E9A6FC19" box="[831,1014,907,932]" italics="true" pageId="25" pageNumber="326">M. yucatanensis</emphasis>
</taxonomicName>
shares characters 1 and 2 of
<bibRefCitation id="EFBF0EF5202E6975FAAD76A0EB5CFC74" author="Dojiri, M. &amp; Ho, J. - S." pageId="25" pageNumber="326" refId="ref16258" refString="Dojiri, M. &amp; Ho, J. - S. (2013) Systematics of the Caligidae, copepods parasitic on marine fishes. Crustaceana Monographs 18. Brill, Leiden and Boston, 448 pp. https: // doi. org / 10.1163 / 9789004204256" type="book" year="2013">Dojiri &amp; Ho (2013)</bibRefCitation>
but the plumose setae on the exopod of leg 1 (character 3) are long, and it retains 2 outer spines on the third exopodal segment of leg 2 (character 4). The four other
<taxonomicName id="4C2E0887202E6975FCD676F8EE79FC50" box="[839,1065,979,1005]" pageId="25" pageNumber="326">
<emphasis id="B95AAF16202E6975FCD676F8E981FC50" box="[839,977,979,1005]" italics="true" pageId="25" pageNumber="326">Metacaligus</emphasis>
species
</taxonomicName>
share additional character states, including the lack of a posterior process on the proximal segment of the female antenna and the major reduction or loss of the tine of the postantennal process. However, these two character states are widespread within
<taxonomicName id="4C2E0887202E6975FA877130EF3DFB88" ID-CoL="7NRKH" authorityName="O. F. Muller" authorityYear="1785" box="[1302,1389,1051,1077]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FA877130EF3DFB88" box="[1302,1389,1051,1077]" italics="true" pageId="25" pageNumber="326">Caligus</emphasis>
</taxonomicName>
and are shared with members of the
<taxonomicName id="4C2E0887202E6975FE6C7114E8C2FBE4" ID-CoL="PKBS" authorityName="Nordmann" authorityYear="1832" box="[509,658,1087,1113]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="diaphanus">
<emphasis id="B95AAF16202E6975FE6C7114E8C2FBE4" box="[509,658,1087,1113]" italics="true" pageId="25" pageNumber="326">C. diaphanus</emphasis>
</taxonomicName>
-group, which is also characterized by the lack of accessory processes on spines 2 and 3 on the distal margin of the second exopodal segment of leg 1 (
<bibRefCitation id="EFBF0EF5202E6975FB917148EEF7FBC0" author="Boxshall, G. A." box="[1024,1191,1123,1149]" pageId="25" pageNumber="326" pagination="1 - 172" refId="ref15467" refString="Boxshall, G. A. (2018) The sea lice (Copepoda: Caligidae) of Moreton Bay (Queensland, Australia), with descriptions of thirteen new species. Zootaxa, 4398 (1), 1 - 172. https: // doi. org / 10.11646 / zootaxa. 4398.1.1" type="journal article" year="2018">Boxshall 2018</bibRefCitation>
), another
<taxonomicName id="4C2E0887202E6975FA837148EFCCFBC0" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[1298,1436,1123,1149]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FA837148EFCCFBC0" box="[1298,1436,1123,1149]" italics="true" pageId="25" pageNumber="326">Metacaligus</emphasis>
</taxonomicName>
characteristic regarded as diagnostic by
<bibRefCitation id="EFBF0EF5202E6975FDCC71ACE96DFB1C" author="Dojiri, M. &amp; Ho, J. - S." box="[605,829,1159,1185]" pageId="25" pageNumber="326" refId="ref16258" refString="Dojiri, M. &amp; Ho, J. - S. (2013) Systematics of the Caligidae, copepods parasitic on marine fishes. Crustaceana Monographs 18. Brill, Leiden and Boston, 448 pp. https: // doi. org / 10.1163 / 9789004204256" type="book" year="2013">Dojiri &amp; Ho (2013)</bibRefCitation>
. Based on the numerous detailed similarities between
<taxonomicName id="4C2E0887202E6975FF067180EBEDFB79" ID-CoL="428SQ" authorityName="Suarez-Morales, Kim &amp; Escamilla" authorityYear="2012" box="[151,445,1195,1221]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="yucatanensis">
<emphasis id="B95AAF16202E6975FF067180EBEDFB79" box="[151,445,1195,1221]" italics="true" pageId="25" pageNumber="326">Metacaligus yucatanensis</emphasis>
</taxonomicName>
and the two new species
<taxonomicName id="4C2E0887202E6975FD7C7180E914FB78" ID-CoL="7NRKH" authorityName="O. F. Muller" authorityYear="1785" box="[749,836,1195,1221]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FD7C7180E914FB78" box="[749,836,1195,1221]" italics="true" pageId="25" pageNumber="326">Caligus</emphasis>
</taxonomicName>
described here, we propose to transfer
<taxonomicName id="4C2E0887202E6975FA837180E95DFB54" ID-CoL="428SQ" authority="Suarez-Morales, Kim &amp; Escamilla, 2012" authorityName="Suarez-Morales, Kim &amp; Escamilla" authorityYear="2012" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="yucatanensis">
<emphasis id="B95AAF16202E6975FA837180EB78FB55" italics="true" pageId="25" pageNumber="326">Metacaligus yucatanensis</emphasis>
<bibRefCitation id="EFBF0EF5202E6975FEA371E4E95DFB54" author="Suarez-Morales, E. &amp; Kim, I. - H. &amp; Escamilla, B. J." box="[306,781,1231,1257]" pageId="25" pageNumber="326" pagination="804 - 818" refId="ref19296" refString="Suarez-Morales, E., Kim, I. - H. &amp; Escamilla, B. J. (2012 b) On some Caligids (Copepoda: Caligidae) from plankton of a coastal lagoon in the Gulf of Mexico with a description of a new species of Metacaligus. Zoological Studies, 51, 804 - 818." type="journal article" year="2012">Suárez-Morales, Kim &amp; Escamilla, 2012</bibRefCitation>
</taxonomicName>
, to
<taxonomicName id="4C2E0887202E6975FCAA71E4E9C2FB54" ID-CoL="7NRKH" authorityName="O. F. Muller" authorityYear="1785" box="[827,914,1231,1257]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FCAA71E4E9C2FB54" box="[827,914,1231,1257]" italics="true" pageId="25" pageNumber="326">Caligus</emphasis>
</taxonomicName>
as
<taxonomicName id="4C2E0887202E6975FC2E71E4EB05FAB0" ID-CoL="428SQ" authority="(Suarez-Morales, Kim &amp; Escamilla, 2012)" authorityName="Özak &amp; Kurt &amp; Kamanli &amp; Akbulut &amp; Yanar &amp; Boxshall" authorityYear="2024" baseAuthorityName="Suarez-Morales, Kim &amp; Escamilla" baseAuthorityYear="2012" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="yucatanensis" status="comb. nov.">
<emphasis id="B95AAF16202E6975FC2E71E4EE24FB55" box="[959,1140,1231,1257]" italics="true" pageId="25" pageNumber="326">C. yucatanensis</emphasis>
(
<bibRefCitation id="EFBF0EF5202E6975FB1771E4EB1EFAB0" author="Suarez-Morales, E. &amp; Kim, I. - H. &amp; Escamilla, B. J." pageId="25" pageNumber="326" pagination="804 - 818" refId="ref19296" refString="Suarez-Morales, E., Kim, I. - H. &amp; Escamilla, B. J. (2012 b) On some Caligids (Copepoda: Caligidae) from plankton of a coastal lagoon in the Gulf of Mexico with a description of a new species of Metacaligus. Zoological Studies, 51, 804 - 818." type="journal article" year="2012">Suárez-Morales, Kim &amp; Escamilla, 2012</bibRefCitation>
)
</taxonomicName>
<taxonomicNameLabel id="A269126D202E6975FECD71D8EB8AFAB0" box="[348,474,1267,1293]" pageId="25" pageNumber="326" rank="species">comb. nov.</taxonomicNameLabel>
We recognize
<taxonomicName id="4C2E0887202E6975FD1371D8E963FAB1" ID-CoL="428SQ" authorityName="Özak &amp; Kurt &amp; Kamanli &amp; Akbulut &amp; Yanar &amp; Boxshall" authorityYear="2024" baseAuthorityName="Suarez-Morales, Kim &amp; Escamilla" baseAuthorityYear="2012" box="[642,819,1267,1293]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="yucatanensis">
<emphasis id="B95AAF16202E6975FD1371D8E963FAB1" box="[642,819,1267,1293]" italics="true" pageId="25" pageNumber="326">C. yucatanensis</emphasis>
</taxonomicName>
as a member of the
<taxonomicName id="4C2E0887202E6975FB8771D8EEF5FAB0" ID-CoL="PKLL" box="[1046,1189,1267,1293]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="undulatus">
<emphasis id="B95AAF16202E6975FB8771D8EEF5FAB0" box="[1046,1189,1267,1293]" italics="true" pageId="25" pageNumber="326">C. undulatus</emphasis>
</taxonomicName>
-group.
</paragraph>
<paragraph id="8B917304202E6975FF56703CE9C9F828" blockId="25.[151,1437,151,2013]" pageId="25" pageNumber="326">
The characters listed by
<bibRefCitation id="EFBF0EF5202E6975FE4A703CE8E7FA8C" author="Dojiri, M. &amp; Ho, J. - S." box="[475,695,1303,1329]" pageId="25" pageNumber="326" refId="ref16258" refString="Dojiri, M. &amp; Ho, J. - S. (2013) Systematics of the Caligidae, copepods parasitic on marine fishes. Crustaceana Monographs 18. Brill, Leiden and Boston, 448 pp. https: // doi. org / 10.1163 / 9789004204256" type="book" year="2013">Dojiri &amp; Ho (2013)</bibRefCitation>
as supporting the recognition of
<taxonomicName id="4C2E0887202E6975FBBC703CEEE7FA8C" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[1069,1207,1303,1329]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FBBC703CEEE7FA8C" box="[1069,1207,1303,1329]" italics="true" pageId="25" pageNumber="326">Metacaligus</emphasis>
</taxonomicName>
as a valid genus are not robust. The loss of the sternal furca has occurred at least three times independently within the genus
<taxonomicName id="4C2E0887202E6975FAAC7010EFC4FAE8" ID-CoL="7NRKH" authorityName="O. F. Muller" authorityYear="1785" box="[1341,1428,1339,1365]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FAAC7010EFC4FAE8" box="[1341,1428,1339,1365]" italics="true" pageId="25" pageNumber="326">Caligus</emphasis>
</taxonomicName>
: in
<taxonomicName id="4C2E0887202E6975FF257074EB7FFAC5" ID-CoL="PKC8" authorityName=", Ho &amp; Bashirullah" authorityYear="1977" box="[180,303,1375,1401]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="enormis">
<emphasis id="B95AAF16202E6975FF257074EB7FFAC5" box="[180,303,1375,1401]" italics="true" pageId="25" pageNumber="326">C. enormis</emphasis>
</taxonomicName>
(a member of the
<taxonomicName id="4C2E0887202E6975FE6C7074E8DDFAC4" ID-CoL="PKHY" authorityName="Dana" authorityYear="1852" box="[509,653,1375,1401]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="productus">
<emphasis id="B95AAF16202E6975FE6C7074E8DDFAC4" box="[509,653,1375,1401]" italics="true" pageId="25" pageNumber="326">C. productus</emphasis>
</taxonomicName>
-group), in
<taxonomicName id="4C2E0887202E6975FC9D7074E9EEFAC5" ID-CoL="428SQ" authorityName="Özak &amp; Kurt &amp; Kamanli &amp; Akbulut &amp; Yanar &amp; Boxshall" authorityYear="2024" baseAuthorityName="Suarez-Morales, Kim &amp; Escamilla" baseAuthorityYear="2012" box="[780,958,1375,1401]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="yucatanensis">
<emphasis id="B95AAF16202E6975FC9D7074E9EEFAC5" box="[780,958,1375,1401]" italics="true" pageId="25" pageNumber="326">C. yucatanensis</emphasis>
</taxonomicName>
(
<taxonomicName id="4C2E0887202E6975FC5F7074EE0CFAC4" ID-CoL="PKLL" box="[974,1116,1375,1401]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="undulatus">
<emphasis id="B95AAF16202E6975FC5F7074EE0CFAC4" box="[974,1116,1375,1401]" italics="true" pageId="25" pageNumber="326">C. undulatus</emphasis>
</taxonomicName>
-group), and in
<taxonomicName id="4C2E0887202E6975FA9A7074EFC5FAC4" ID-CoL="PK8V" authorityName="Wilson" authorityYear="1913" box="[1291,1429,1375,1401]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="afurcatus">
<emphasis id="B95AAF16202E6975FA9A7074EFC5FAC4" box="[1291,1429,1375,1401]" italics="true" pageId="25" pageNumber="326">C. afurcatus</emphasis>
</taxonomicName>
. The reduced length of the 3 plumose setae on the posterior margin of the distal exopodal segment of leg 1 is typical of members of the
<taxonomicName id="4C2E0887202E6975FEFF708CEBA2FA7C" ID-CoL="68TZ9" box="[366,498,1447,1473]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="confusus">
<emphasis id="B95AAF16202E6975FEFF708CEBA2FA7C" box="[366,498,1447,1473]" italics="true" pageId="25" pageNumber="326">C. confusus</emphasis>
</taxonomicName>
-group and is also found in some other species such as
<taxonomicName id="4C2E0887202E6975FBF3708CEB35FA58" ID-CoL="PKHB" authority="Nunes-Ruivo &amp; Fourmanoir, 1956" authorityName="Nunes-Ruivo &amp; Fourmanoir" authorityYear="1956" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="pauliani">
<emphasis id="B95AAF16202E6975FBF3708CEEB1FA7C" box="[1122,1249,1447,1473]" italics="true" pageId="25" pageNumber="326">C. pauliani</emphasis>
<bibRefCitation id="EFBF0EF5202E6975FB78708CEB35FA58" author="Nunes-Ruivo, L. &amp; Fourmanoir, P." pageId="25" pageNumber="326" pagination="69 - 80" refId="ref18146" refString="Nunes-Ruivo, L. &amp; Fourmanoir, P. (1956) Copepodes parasites de poissons de Madagascar. I. Parasitic copepods of fish from Madagascar. I. Memoires de l'Institut Scientifique de Madagascar, Series A, 10, 69 - 80." type="journal article" year="1956">Nuñes-Ruivo &amp; Fourmanoir, 1956</bibRefCitation>
</taxonomicName>
, a member of the
<taxonomicName id="4C2E0887202E6975FDA170E0E8C9FA58" ID-CoL="8FTSS" box="[560,665,1483,1509]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="bonito">
<emphasis id="B95AAF16202E6975FDA170E0E8C9FA58" box="[560,665,1483,1509]" italics="true" pageId="25" pageNumber="326">C. bonito</emphasis>
</taxonomicName>
-group (as
<taxonomicName id="4C2E0887202E6975FC8370E0EE3AFA58" ID-CoL="5WTY4" authority="Shen, 1957" authorityName="Shen" authorityYear="1957" box="[786,1130,1482,1509]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="biseriodentatus">
<emphasis id="B95AAF16202E6975FC8370E0E9B0FA58" box="[786,992,1483,1509]" italics="true" pageId="25" pageNumber="326">C. biseriodentatus</emphasis>
<bibRefCitation id="EFBF0EF5202E6975FC7970E0EE3AFA58" author="Shen, C." box="[1000,1130,1482,1509]" pageId="25" pageNumber="326" pagination="351 - 378" refId="ref18770" refString="Shen, C. (1957) Parasitic copepods from fishes of China. II. Caligoida, Caligidae (1). Acta Zoologica Sinica, 9 (4), 351 - 378." type="journal article" year="1957">Shen, 1957</bibRefCitation>
</taxonomicName>
). The absence of accessory processes from spines 2 and 3 on the distal exopodal segment of leg 1 is found in members of the
<taxonomicName id="4C2E0887202E6975FB6D70C4EFC3F9B4" ID-CoL="PKBS" authorityName="Nordmann" authorityYear="1832" box="[1276,1427,1519,1545]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="diaphanus">
<emphasis id="B95AAF16202E6975FB6D70C4EFC3F9B4" box="[1276,1427,1519,1545]" italics="true" pageId="25" pageNumber="326">C. diaphanus</emphasis>
</taxonomicName>
- group and in numerous other
<taxonomicName id="4C2E0887202E6975FE767338E8CFF990" box="[487,671,1555,1581]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis id="B95AAF16202E6975FE767338E86EF990" box="[487,574,1555,1581]" italics="true" pageId="25" pageNumber="326">Caligus</emphasis>
species.
</taxonomicName>
The loss of the proximal outer spine of the third exopodal segment of leg 2 is rare in
<taxonomicName id="4C2E0887202E6975FEF5731CEBEBF9EC" ID-CoL="7NRKH" authorityName="O. F. Muller" authorityYear="1785" box="[356,443,1591,1617]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FEF5731CEBEBF9EC" box="[356,443,1591,1617]" italics="true" pageId="25" pageNumber="326">Caligus</emphasis>
</taxonomicName>
, however, it is lacking in
<taxonomicName id="4C2E0887202E6975FD74731CEE82F9EC" ID-CoL="7ZG3V" authority="Ohtsuka &amp; Boxshall, 2019" authorityName="Ohtsuka &amp; Boxshall" authorityYear="2019" box="[741,1234,1591,1617]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="chinglonglini">
<emphasis id="B95AAF16202E6975FD74731CE9CBF9EC" box="[741,923,1591,1617]" italics="true" pageId="25" pageNumber="326">C. chinglonglini</emphasis>
<bibRefCitation id="EFBF0EF5202E6975FC35731CEE82F9EC" author="Ohtsuka, S. &amp; Boxshall, G. A." box="[932,1234,1591,1617]" pageId="25" pageNumber="326" pagination="91 - 113" refId="ref18192" refString="Ohtsuka, S. &amp; Boxshall, G. A. (2019) Two new species of the genus Caligus (Crustacea, Copepoda, Siphonostomatoida) from the Sea of Japan, with a note on the establishment of a new species group. ZooKeys, 893, 91 - 113. https: // doi. org / 10.3897 / zookeys. 893.46923" type="journal article" year="2019">Ohtsuka &amp; Boxshall, 2019</bibRefCitation>
</taxonomicName>
and is reduced in size in members of the
<taxonomicName id="4C2E0887202E6975FE0C7370E80EF9C8" ID-CoL="PKJ4" authorityName="Boxshall" authorityYear="2018" box="[413,606,1627,1653]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="pseudorhombi">
<emphasis id="B95AAF16202E6975FE0C7370E80EF9C8" box="[413,606,1627,1653]" italics="true" pageId="25" pageNumber="326">C. pseudorhombi</emphasis>
</taxonomicName>
-group and
<taxonomicName id="4C2E0887202E6975FD717370E920F9C8" ID-CoL="PKLL" box="[736,880,1627,1653]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="undulatus">
<emphasis id="B95AAF16202E6975FD717370E920F9C8" box="[736,880,1627,1653]" italics="true" pageId="25" pageNumber="326">C. undulatus</emphasis>
</taxonomicName>
-group (
<bibRefCitation id="EFBF0EF5202E6975FC587370EEFCF9C8" author="Ohtsuka, S. &amp; Nawata, M. &amp; Nishida, Y. &amp; Nitta, M. &amp; Hirano, K. &amp; Adachi, K. &amp; Kondo, Y. &amp; Venmathi Maran, B. A. &amp; Suarez-Morales, E." box="[969,1196,1627,1653]" pageId="25" pageNumber="326" pagination="52271" refId="ref18258" refString="Ohtsuka, S., Nawata, M., Nishida, Y., Nitta, M., Hirano, K., Adachi, K., Kondo, Y., Venmathi Maran, B. A. &amp; Suarez-Morales, E. (2020) Discovery of the fish host of the &quot; planktonic &quot; caligid Caligus undulatus Shen &amp; Li, 1959 (Crustacea: Copepoda: Siphonostomatoida). Biodiversity Data Journal, 8, e 52271. https: // doi. org / 10.3897 / BDJ. 8. e 52271" type="journal article" year="2020">
Ohtsuka
<emphasis id="B95AAF16202E6975FBA17370EE39F9C8" box="[1072,1129,1627,1653]" italics="true" pageId="25" pageNumber="326">et al.</emphasis>
2020
</bibRefCitation>
;
<bibRefCitation id="EFBF0EF5202E6975FB267370EA82F924" author="Ohtsuka, S. &amp; Boxshall, G. A." pageId="25" pageNumber="326" pagination="91 - 113" refId="ref18192" refString="Ohtsuka, S. &amp; Boxshall, G. A. (2019) Two new species of the genus Caligus (Crustacea, Copepoda, Siphonostomatoida) from the Sea of Japan, with a note on the establishment of a new species group. ZooKeys, 893, 91 - 113. https: // doi. org / 10.3897 / zookeys. 893.46923" type="journal article" year="2019">Ohtsuka &amp; Boxshall 2019</bibRefCitation>
; present account). In the light of this, we consider the case for maintaining
<taxonomicName id="4C2E0887202E6975FB8D7354EEF6F924" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[1052,1190,1663,1689]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FB8D7354EEF6F924" box="[1052,1190,1663,1689]" italics="true" pageId="25" pageNumber="326">Metacaligus</emphasis>
</taxonomicName>
as a separate genus is extremely weak and we therefore propose to treat
<taxonomicName id="4C2E0887202E6975FD2D7388E9A8F900" ID-CoL="7PH5J" authority="Thomsen, 1949" authorityName="Thomsen" authorityYear="1949" box="[700,1016,1699,1725]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FD2D7388E916F900" box="[700,838,1699,1725]" italics="true" pageId="25" pageNumber="326">Metacaligus</emphasis>
<bibRefCitation id="EFBF0EF5202E6975FCDD7388E9A8F900" author="Thomsen, R." box="[844,1016,1699,1725]" pageId="25" pageNumber="326" pagination="1 - 41" refId="ref19418" refString="Thomsen, R. (1949) Copepodos parasitos de los peces marinos del Uruguay. Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo, 3, 1 - 41." type="journal article" year="1949">Thomsen, 1949</bibRefCitation>
</taxonomicName>
as a synonym of
<taxonomicName id="4C2E0887202E6975FB247388EF5CF900" ID-CoL="7NRKH" authorityName="O. F. Muller" authorityYear="1785" box="[1205,1292,1699,1725]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FB247388EF5CF900" box="[1205,1292,1699,1725]" italics="true" pageId="25" pageNumber="326">Caligus</emphasis>
</taxonomicName>
O.F. M̧ller, 1785. We also propose to transfer its species to
<taxonomicName id="4C2E0887202E6975FD2373ECE959F95C" ID-CoL="7NRKH" authorityName="O. F. Muller" authorityYear="1785" box="[690,777,1735,1761]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FD2373ECE959F95C" box="[690,777,1735,1761]" italics="true" pageId="25" pageNumber="326">Caligus</emphasis>
</taxonomicName>
:
<taxonomicName id="4C2E0887202E6975FC8873ECEE58F95C" ID-CoL="428SM" baseAuthorityName="Kroyer" baseAuthorityYear="1863" box="[793,1032,1735,1761]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="trichiuri">
<emphasis id="B95AAF16202E6975FC8873ECEE58F95C" box="[793,1032,1735,1761]" italics="true" pageId="25" pageNumber="326">Metacaligus trichiuri</emphasis>
</taxonomicName>
,
<taxonomicName id="4C2E0887202E6975FB8673ECEE26F95C" ID-CoL="428SL" baseAuthorityName="Wilson" baseAuthorityYear="1908" box="[1047,1142,1735,1761]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="rufus">
<emphasis id="B95AAF16202E6975FB8673ECEE26F95C" box="[1047,1142,1735,1761]" italics="true" pageId="25" pageNumber="326">M. rufus</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C2E0887202E6975FB2573ECEF29F95C" ID-CoL="PKLM" authorityName="Rangnekar &amp; Murti" authorityYear="1950" box="[1204,1401,1735,1761]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="unguidentatus">
<emphasis id="B95AAF16202E6975FB2573ECEF29F95C" box="[1204,1401,1735,1761]" italics="true" pageId="25" pageNumber="326">M. unguidentatus</emphasis>
</taxonomicName>
all return to their original combinations as
<taxonomicName id="4C2E0887202E6975FDCA73C0E947F8B8" ID-CoL="695YK" authorityName="Kroyer" authorityYear="1863" box="[603,791,1771,1797]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="trichiuri">
<emphasis id="B95AAF16202E6975FDCA73C0E947F8B8" box="[603,791,1771,1797]" italics="true" pageId="25" pageNumber="326">Caligus trichiuri</emphasis>
</taxonomicName>
,
<taxonomicName id="4C2E0887202E6975FCB673C0E991F8B8" ID-CoL="PKJP" baseAuthorityName="Wilson" baseAuthorityYear="1908" box="[807,961,1771,1797]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="rufus">
<emphasis id="B95AAF16202E6975FCB673C0E991F8B8" box="[807,961,1771,1797]" italics="true" pageId="25" pageNumber="326">Caligus rufus</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C2E0887202E6975FB9173C0EEAFF8B8" ID-CoL="PKLM" authorityName="Rangnekar &amp; Murti" authorityYear="1950" box="[1024,1279,1771,1797]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="unguidentatus">
<emphasis id="B95AAF16202E6975FB9173C0EEAFF8B8" box="[1024,1279,1771,1797]" italics="true" pageId="25" pageNumber="326">Caligus unguidentatus</emphasis>
</taxonomicName>
, respectively. Transferring
<taxonomicName id="4C2E0887202E6975FEBA7224EBA3F894" ID-CoL="428SK" authorityName="Ho &amp; Lin" authorityYear="2002" box="[299,499,1807,1833]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="latus">
<emphasis id="B95AAF16202E6975FEBA7224EBA3F894" box="[299,499,1807,1833]" italics="true" pageId="25" pageNumber="326">Metacaligus latus</emphasis>
</taxonomicName>
would create a secondary homonym of
<taxonomicName id="4C2E0887202E6975FC287224EEBFF894" ID-CoL="5X5YJ" authority="Byrnes, 1987" authorityName="Byrnes" authorityYear="1987" box="[953,1263,1807,1833]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="latus">
<emphasis id="B95AAF16202E6975FC287224EE1EF894" box="[953,1102,1807,1833]" italics="true" pageId="25" pageNumber="326">Caligus latus</emphasis>
<bibRefCitation id="EFBF0EF5202E6975FBC77224EEBFF894" author="Byrnes, T." box="[1110,1263,1807,1833]" pageId="25" pageNumber="326" pagination="363 - 404" refId="ref15980" refString="Byrnes, T. (1987) Caligids (Copepoda: Caligidae) found on the bream (Acanthopagrus spp.) of Australia. Journal of Natural History, 21, 363 - 404. https: // doi. org / 10.1080 / 00222938700771071" type="journal article" year="1987">Byrnes, 1987</bibRefCitation>
</taxonomicName>
, so we propose a replacement name
<taxonomicName id="4C2E0887202E6975FE117218E86DF8F0" authorityName="Özak &amp; Kurt &amp; Kamanli &amp; Akbulut &amp; Yanar &amp; Boxshall" authorityYear="2024" box="[384,573,1843,1869]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="cultellus" status="nom. nov.">
<emphasis id="B95AAF16202E6975FE117218E86DF8F0" box="[384,573,1843,1869]" italics="true" pageId="25" pageNumber="326">Caligus cultellus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A269126D202E6975FDD47218E8E6F8F0" box="[581,694,1843,1869]" pageId="25" pageNumber="326">nom. nov.</taxonomicNameLabel>
So,
<taxonomicName id="4C2E0887202E6975FD787218EE3EF8F0" ID-CoL="428SK" authority="Ho &amp; Lin, 2002" authorityName="Ho &amp; Lin" authorityYear="2002" box="[745,1134,1843,1869]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="latus">
<emphasis id="B95AAF16202E6975FD787218E9E1F8F0" box="[745,945,1843,1869]" italics="true" pageId="25" pageNumber="326">Metacaligus latus</emphasis>
<bibRefCitation id="EFBF0EF5202E6975FC287218EE3EF8F0" author="Ho, J. &amp; Lin, C. - L." box="[953,1134,1843,1869]" pageId="25" pageNumber="326" pagination="1363 - 1375" refId="ref16871" refString="Ho, J. &amp; Lin, C. - L. (2002) New species of Metacaligus (Caligidae, Copepoda) parasitic on the Cutlassfish (Trichiurus lepturus) of Taiwan, with a cladistic analysis of the family Caligidae. Zoological Science, 19, 1363 - 1375. https: // doi. org / 10.2108 / zsj. 19.1363" type="journal article" year="2002">Ho &amp; Lin, 2002</bibRefCitation>
</taxonomicName>
becomes
<taxonomicName id="4C2E0887202E6975FB4E7218EFCCF8F0" authorityName="Özak &amp; Kurt &amp; Kamanli &amp; Akbulut &amp; Yanar &amp; Boxshall" authorityYear="2024" box="[1247,1436,1843,1869]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="cultellus" status="nom. nov.">
<emphasis id="B95AAF16202E6975FB4E7218EFCCF8F0" box="[1247,1436,1843,1869]" italics="true" pageId="25" pageNumber="326">Caligus cultellus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A269126D202E6975FF06727CEB5EF8CC" box="[151,270,1879,1905]" pageId="25" pageNumber="326">nom. nov.</taxonomicNameLabel>
, with the new name derived from the Latin
<taxonomicName id="4C2E0887202E6975FC8B727CE929F8CC" authorityName="Özak &amp; Kurt &amp; Kamanli &amp; Akbulut &amp; Yanar &amp; Boxshall" authorityYear="2024" box="[794,889,1879,1905]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="cultellus">
<emphasis id="B95AAF16202E6975FC8B727CE929F8CC" box="[794,889,1879,1905]" italics="true" pageId="25" pageNumber="326">cultellus</emphasis>
</taxonomicName>
which is the root of the English word cutlass, referring to the cutlass fish host (
<taxonomicName id="4C2E0887202E6975FD987250E8B3F828" ID-CoL="589FX" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[521,739,1915,1941]" family="Trichiuridae" genus="Trichiurus" kingdom="Animalia" order="Perciformes" pageId="25" pageNumber="326" phylum="Chordata" rank="species" species="lepturus">
<emphasis id="B95AAF16202E6975FD987250E8B3F828" box="[521,739,1915,1941]" italics="true" pageId="25" pageNumber="326">Trichiurus lepturus</emphasis>
</taxonomicName>
) of this species.
</paragraph>
<paragraph id="8B917304202E6976FF5672B4EF57FE10" blockId="25.[151,1437,151,2013]" lastBlockId="26.[151,1437,151,429]" lastPageId="26" lastPageNumber="327" pageId="25" pageNumber="326">
Excluding
<taxonomicName id="4C2E0887202E6975FED572B4EE76F804" authority="(Suarez-Morales, Kim &amp; Escamilla, 2012)" authorityName="Özak &amp; Kurt &amp; Kamanli &amp; Akbulut &amp; Yanar &amp; Boxshall" authorityYear="2024" baseAuthorityName="Suarez-Morales, Kim &amp; Escamilla" baseAuthorityYear="2012" box="[324,1062,1951,1977]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="yucatanensis" status="comb. nov.">
<emphasis id="B95AAF16202E6975FED572B4E866F805" box="[324,566,1951,1977]" italics="true" pageId="25" pageNumber="326">Caligus yucatanensis</emphasis>
(
<bibRefCitation id="EFBF0EF5202E6975FDD672B4EE4EF804" author="Suarez-Morales, E. &amp; Kim, I. - H. &amp; Escamilla, B. J." box="[583,1054,1951,1977]" pageId="25" pageNumber="326" pagination="804 - 818" refId="ref19296" refString="Suarez-Morales, E., Kim, I. - H. &amp; Escamilla, B. J. (2012 b) On some Caligids (Copepoda: Caligidae) from plankton of a coastal lagoon in the Gulf of Mexico with a description of a new species of Metacaligus. Zoological Studies, 51, 804 - 818." type="journal article" year="2012">Suárez-Morales, Kim &amp; Escamilla, 2012</bibRefCitation>
)
</taxonomicName>
<taxonomicNameLabel id="A269126D202E6975FBBE72B4EEE2F804" box="[1071,1202,1951,1977]" pageId="25" pageNumber="326" rank="species">comb. nov.</taxonomicNameLabel>
, which is a member of the
<taxonomicName id="4C2E0887202E6975FF7372E8EB22F860" ID-CoL="PKLL" box="[226,370,1987,2013]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="species" species="undulatus">
<emphasis id="B95AAF16202E6975FF7372E8EB22F860" box="[226,370,1987,2013]" italics="true" pageId="25" pageNumber="326">C. undulatus</emphasis>
</taxonomicName>
-group, this cluster of the remaining four species formerly placed in
<taxonomicName id="4C2E0887202E6975FB1272E8EF5DF860" ID-CoL="7PH5J" authorityName="Thomsen" authorityYear="1949" box="[1155,1293,1987,2013]" class="Copepoda" family="Caligidae" genus="Metacaligus" kingdom="Animalia" order="Siphonostomatoida" pageId="25" pageNumber="326" phylum="Arthropoda" rank="genus">
<emphasis id="B95AAF16202E6975FB1272E8EF5DF860" box="[1155,1293,1987,2013]" italics="true" pageId="25" pageNumber="326">Metacaligus</emphasis>
</taxonomicName>
represents a new species group, the
<taxonomicName id="4C2E0887202D6976FE3B75BCE838FF0C" ID-CoL="695YK" authorityName="Kroyer" authorityYear="1863" box="[426,616,151,177]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="26" pageNumber="327" phylum="Arthropoda" rank="species" species="trichiuri">
<emphasis id="B95AAF16202D6976FE3B75BCE838FF0C" box="[426,616,151,177]" italics="true" pageId="26" pageNumber="327">Caligus trichiuri</emphasis>
</taxonomicName>
-group, characterized by the following combination of character states: the lack of a posterior process on the proximal segment of the female antenna; the reduction or loss of the tine of the postantennal process; the lack of a sternal furca; the lack of accessory processes on spines 2 and 3 on the distal margin of the second exopodal segment of leg 1; the small size of the 3 plumose setae on the posterior margin of the same segment (i.e. they are shorter than the segment); the presence of only 1 outer spine on the third exopodal segment of leg 2; leg 4 is 3-segmented with a 2-segmented exopod armed with I, IV spines. The
<taxonomicName id="4C2E0887202D6976FB427460EF01FED8" ID-CoL="695YK" authorityName="Kroyer" authorityYear="1863" box="[1235,1361,331,357]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="26" pageNumber="327" phylum="Arthropoda" rank="species" species="trichiuri">
<emphasis id="B95AAF16202D6976FB427460EF01FED8" box="[1235,1361,331,357]" italics="true" pageId="26" pageNumber="327">C. trichiuri</emphasis>
</taxonomicName>
-group shares several of these character states with the
<taxonomicName id="4C2E0887202D6976FD3C7444E913FE34" ID-CoL="PKBS" authorityName="Nordmann" authorityYear="1832" box="[685,835,367,393]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="26" pageNumber="327" phylum="Arthropoda" rank="species" species="diaphanus">
<emphasis id="B95AAF16202D6976FD3C7444E913FE34" box="[685,835,367,393]" italics="true" pageId="26" pageNumber="327">C. diaphanus</emphasis>
</taxonomicName>
-group but can readily be distinguished by the state of leg 4, which is 4-segmented with a 3-segmented exopod armed with I, I, III spines in the latter group.
</paragraph>
</subSubSection>
</treatment>
</document>