217 lines
29 KiB
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217 lines
29 KiB
XML
<document id="5BA2E47A21EC0CF468F1D2C2EC54F4C0" ID-CLB-Dataset="35031" ID-DOI="http://dx.doi.org/10.3897/zookeys.400.6878" ID-GBIF-Dataset="a2263d9b-3085-4c8e-952c-7d0627e9aeda" ID-PMC="PMC4023241" ID-Pensoft-Pub="1313-2970-400-1" ID-PubMed="24843254" ID-ZooBank="E803925E0418463D863E183EDDAAA487" ModsDocAuthor="" ModsDocDate="2014" ModsDocID="1313-2970-400-1" ModsDocOrigin="ZooKeys 400" ModsDocTitle="Review of the fish parasitic genus Ceratothoa Dana, 1852 (Crustacea, Isopoda, Cymothoidae) from South Africa, including the description of two new species" checkinTime="1451245997952" checkinUser="pensoft" docAuthor="Hadfield, Kerry A., Bruce, Niel L. & Smit, Nico J." docDate="2014" docId="1EAA45DBB2171C13B8675C59687DD757" docLanguage="en" docName="ZooKeys 400: 1-42" docOrigin="ZooKeys 400" docSource="http://dx.doi.org/10.3897/zookeys.400.6878" docTitle="Ceratothoa trigonocephala Leach 1818" docType="treatment" docVersion="7" lastPageNumber="15" masterDocId="1421D967FF94FFF2FF88E144FFBBFF8C" masterDocTitle="Review of the fish parasitic genus Ceratothoa Dana, 1852 (Crustacea, Isopoda, Cymothoidae) from South Africa, including the description of two new species" masterLastPageNumber="42" masterPageNumber="1" pageNumber="13" updateTime="1701384070007" updateUser="ExternalLinkService">
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<mods:title id="ADF02BD7DCDCAE444152A37FA4D8998F">Review of the fish parasitic genus Ceratothoa Dana, 1852 (Crustacea, Isopoda, Cymothoidae) from South Africa, including the description of two new species</mods:title>
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<mods:namePart id="C6B9AC8367D5B14A9B6251088731FE79">Hadfield, Kerry A.</mods:namePart>
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<mods:namePart id="C30F1F7BD7CB6E49D99CAAFC7D5B268F">Bruce, Niel L.</mods:namePart>
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<mods:namePart id="D290864D2759CB1B2769D20977A4F070">Smit, Nico J.</mods:namePart>
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<mods:title id="19B739880E26F0EF3B635788ECCBB5D3">ZooKeys</mods:title>
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<mods:date id="0F3856D6FF1F0996BE8846AF4FAACAF4">2014</mods:date>
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<mods:number id="AFD674C79D2A20630267402DB86C0737">400</mods:number>
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<mods:url id="358C939E2B4F4FFFE6FFAF633E35E296">http://dx.doi.org/10.3897/zookeys.400.6878</mods:url>
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<mods:identifier id="FE687317113B5F017DAE84BD0E1B0E3F" type="DOI">http://dx.doi.org/10.3897/zookeys.400.6878</mods:identifier>
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<treatment id="1EAA45DBB2171C13B8675C59687DD757" ID-DOI="http://doi.org/10.5281/zenodo.3505694" ID-GBIF-Taxon="152052494" ID-Zenodo-Dep="3505694" LSID="urn:lsid:plazi:treatment:1EAA45DBB2171C13B8675C59687DD757" httpUri="http://treatment.plazi.org/id/1EAA45DBB2171C13B8675C59687DD757" lastPageId="14" lastPageNumber="15" pageId="12" pageNumber="13">
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<subSubSection id="FD3A5D18E44F5D4E2959D27E6EA51038" pageId="12" pageNumber="13" type="nomenclature">
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<paragraph id="1F3888D3FCB6E981568E8CD7E21919A3" pageId="12" pageNumber="13">
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<taxonomicName id="E2917578E5DE1F9F6555A7B95CD8A6BA" ID-CoL="SQGH" LSID="http://species-id.net/wiki/Ceratothoa_trigonocephala" authority="Leach, 1818" authorityName="Leach" authorityYear="1818" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala (Leach, 1818)</taxonomicName>
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Figs 19-21
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</paragraph>
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</subSubSection>
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<subSubSection id="00D6578DFE9ECAFD1CE9C3EE92D8D6BE" pageId="12" pageNumber="13" type="reference_group">
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<paragraph id="61639ED3F49FC52AA44119F728879BD0" pageId="12" pageNumber="13">
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<taxonomicName id="1AEE9F140C7479106408558B134EBFB9" class="Malacostraca" family="Cymothoidae" genus="Cymothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cymothoa trigonocephala" order="Isopoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="trigonocephala">Cymothoa trigonocephala</taxonomicName>
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Leach, 1818: 353;
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<bibRefCitation id="AC580A75A4B41C8AAF513D7D5B8AB3AA" author="Guerin-Meneville, FE" journalOrPublisher="J. B. Bailliere, Paris," pageId="17" pageNumber="18" title="Iconographie du regne animal de G. Cuvier; ou, Representation dapres nature de lune des especes les plus remarquables, et souvent non encore figurees, de chaque genre danimaux. Avec un texte descriptif mis au courant de la science. Ouvrage pouvant servir d'atlas a tous les traites de zoologie. Crustaces" year="1829 - 1843">
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<normalizedToken id="052F882EBDDBF3E89AF8182982F19A13" originalValue="Guérin-Méneville">Guerin-Meneville</normalizedToken>
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and Cuvier 1829-1843
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</bibRefCitation>
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: 26, pl. 29, fig. 2;
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<bibRefCitation id="529A461C118FC94043729E15816EA5AF" author="Milne Edwards, H" journalOrPublisher="Roret, Paris" pageId="18" pageNumber="19" title="Histoire Naturelle des Crustaces Comprenent l'anatomie, la physiologie et la classification de ces animaux" year="1840">Milne Edwards 1840</bibRefCitation>
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: 272-273;
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<bibRefCitation id="4BED5F384BE44B2A0D66EBE757F6CF9D" author="Ellis, JP" journalOrPublisher="Bulletin of the British Museum (Natural History)" pageId="16" pageNumber="17" pagination="121 - 128" title="Some type specimens of Isopoda (Flabellifera) in the British Museum (Natural History), and the isopods in the Linnaean Collection." volume="40" year="1981">Ellis 1981</bibRefCitation>
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: 124.
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</paragraph>
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<paragraph id="6C9F8AD4D953D325435F77F0C351988F" pageId="12" pageNumber="13">
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<taxonomicName id="DAA18D8B1239BA9B478A32121FB755FA" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
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. -
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<bibRefCitation id="04C7A8012AACC543090B36D955BEB958" author="Schioedte, JC" journalOrPublisher="Kjobenhavn" pageId="19" pageNumber="20" pagination="281 - 378" title="Symbolae ad monographium Cymothoarum crustaceorum familiae. III. Saophridae. IV. Ceratothoinae" volumeTitle="Naturhistorisk Tidsskrift" year="1883">Schioedte and Meinert 1883</bibRefCitation>
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: 358-364, tab. XVI (Cym. XXIII) Figs 1-7.
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</paragraph>
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</subSubSection>
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<subSubSection id="2ABEE540A35E8DF4D82BA59EE11A3760" pageId="12" pageNumber="13" type="material examined">
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<paragraph id="0AB1E7D9077E0B85E2BC7BF94ED4F5D7" pageId="12" pageNumber="13">Material examined.</paragraph>
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<paragraph id="89A792E61C875ACFCDAC7386F7F80CF7" pageId="12" pageNumber="13">
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Lectotype [here designated]: The Natural History Museum, London (NHMUK 2013.1013) - female specimen (42 mm TL) collected by W.E. Leach,
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<normalizedToken id="6DE84A0543CE5B6FB1F123CBB793F8FB" originalValue="White’s">White's</normalizedToken>
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MS Cat no. 404 a, b, host and locality unknown. Also noted: the female drawn was very squashed and missing pereonite 1.
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</paragraph>
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<paragraph id="6B942BDBE9093AB520D11F03FDB22960" pageId="12" pageNumber="13">
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Paralectotype. The Natural History Museum, London (BMNH 1979.404.2) - female specimen (17 mm TL without cephalon) collected by W.E. Leach,
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<normalizedToken id="B606529FE64FAC26B32E8206579BE13A" originalValue="White’s">White's</normalizedToken>
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MS Cat no. 404 a, b, host and locality unknown. Also noted: damaged female, missing the cephalon and oostegites, with dissected uropods.
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</paragraph>
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</subSubSection>
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<subSubSection id="701DD227375DE74679E7C3BCCBE1DBAA" lastPageId="13" lastPageNumber="14" pageId="12" pageNumber="13" type="description of lectotype">
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<paragraph id="690F69AE795740F5BBC5AC4EA7212284" pageId="12" pageNumber="13">Description of lectotype.</paragraph>
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<paragraph id="1F8D551A31E46CE4AEBEF1C00B45FC64" lastPageId="13" lastPageNumber="14" pageId="12" pageNumber="13">
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Body margins sub-parallel, 2.4 times as long as greatest width, dorsal surfaces smooth and polished in appearance, widest at pereonite 5 and pereonite 6, most narrow at pereonite 1, lateral margins subparallel. Cephalon 0.6 times longer than wide, visible from dorsal view, triangular. Frontal margin rounded
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<pageBreakToken id="1CF09CF549A45B3EC740F7EDDF430DD3" pageId="13" pageNumber="14" start="start">to</pageBreakToken>
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form blunt rostrum. Eyes not visible. Pereonite 1 with slight indentations, anterior border slightly indented, anterolateral angle with distinct anterior projection, posterior margins of pereonites smooth and straight. Pereonites 1-5 increasing in length and width; 6-7 decreasing in length and width; 6 and 7 narrower. Pleon with pleonite 1 most narrow, visible in dorsal view; pleonites posterior margin smooth, mostly concave; posterolateral angles of pleonite 2 rounded, not posteriorly produced. Pleonites 3-5 similar in form to pleonite 2. Pleonite 5 with posterolateral angles free, not overlapped by lateral margins of pleonite 4, posterior margin produced medially. Pleotelson 0.5 times as long as anterior width, dorsal surface with lateral indent, lateral margins weakly convex, posterior margin sub-truncate, without median point. Antennule more stout than antenna, comprised of 7 articles. Antenna comprised of 7 articles. Pereopod 1 basis 1.4 times as long as greatest width; ischium 0.8 times as long as basis; merus proximal margin without bulbous protrusion; carpus with rounded proximal margin; propodus 1.4 times as long as wide; dactylus slender, 1.2 as long as propodus, 2.3 times as long as basal width. Pereopod 2 propodus 1.4 as long as wide; dactylus 1.1 as long as propodus. Pereopods 3 similar to pereopod 2. Pereopod 6 basis 1.5 times as long as greatest width, ischium 0.8 times as long as basis, propodus 1.5 as long as wide, dactylus 1.1 as long as propodus. Pereopod 7 basis 1.4 times as long as greatest width; ischium 0.8 as long as basis, without protrusions; merus proximal margin with slight bulbous protrusion, merus 0.4 as long as ischium, 0.7 times as long as wide; carpus 0.3 as long as ischium, without bulbous protrusion, 0.7 times as long as wide; propodus 0.6 as long as ischium, 1.6 times as long as wide; dactylus slender, 1.2 as long as propodus, 2.5 times as long as basal width. Uropod more than half the length of pleotelson, peduncle 0.7 times longer than rami, peduncle lateral margin without setae; rami not extending beyond pleotelson, marginal setae absent, apices narrowly rounded.
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</paragraph>
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<caption id="AC5960A4F36CE0AB079F1A40C39DA945" pageId="13" pageNumber="14">
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<paragraph id="A9FDAE2C05CA4FD5321C45CA0034C58D" pageId="13" pageNumber="14">
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Figure 19.
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<taxonomicName id="F51F1DCFEE72C004C0157DA9D698AFDD" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
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(Leach, 1818), female lectotype (42 mm) (NHMUK 2013.1013): A dorsal view B antero-dorsal view of pereonite 1 and cephalon C dorsal view of pleotelson D lateral view.
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</paragraph>
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</caption>
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<caption id="99C1CE81A4A86DC8537386C13DBF8662" pageId="13" pageNumber="14">
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<paragraph id="0708A0263F93E2BD974A37CB4C42C86B" pageId="13" pageNumber="14">
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Figure 20.
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<taxonomicName id="E754C8B1158FD164C4A62AB8D5FD892C" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
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(Leach, 1818), female lectotype (42 mm) (NHMUK 2013.1013): A pereopod 1 B pereopod 2 C pereopod 6 D pereopod 7.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection id="6F0D210C896ED2054097CC6A02301211" pageId="13" pageNumber="14" type="distribution">
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<paragraph id="3724C6DCEAAA6DB5086707BBDF0801A6" pageId="13" pageNumber="14">Distribution.</paragraph>
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<paragraph id="F846F0170D932462E10B08DF37A83411" pageId="13" pageNumber="14">
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Predominately the Indo-Pacific region: Australia; Vanuatu; and Indonesia (
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<bibRefCitation id="BBC40D6780695AFC7EC4D615319F0225" author="Schioedte, JC" journalOrPublisher="Kjobenhavn" pageId="19" pageNumber="20" pagination="281 - 378" title="Symbolae ad monographium Cymothoarum crustaceorum familiae. III. Saophridae. IV. Ceratothoinae" volumeTitle="Naturhistorisk Tidsskrift" year="1883">Schioedte and Meinert 1883</bibRefCitation>
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), but given the uncertainty over the identity of these records the distribution remains entirely uncertain.
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</paragraph>
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</subSubSection>
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<subSubSection id="5730986C826E5EAD19F7BAAF76CFA405" pageId="13" pageNumber="14" type="hosts">
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<paragraph id="47AF2ACD21EBEA282633C16AF0D2C458" pageId="13" pageNumber="14">Hosts.</paragraph>
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<paragraph id="41F9BB18262BDA0C2076BB225ACC911C" pageId="13" pageNumber="14">There are currently no confirmed hosts for this species.</paragraph>
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</subSubSection>
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<subSubSection id="0C161C80AA67FD56A9988ED02EAFD6FD" lastPageId="14" lastPageNumber="15" pageId="13" pageNumber="14" type="remarks">
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<paragraph id="75C91E678EA62EED61F9CFE3B2FAF452" pageId="13" pageNumber="14">Remarks.</paragraph>
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<paragraph id="84ACE8C1239725413B52D7EB2DE6B09C" pageId="13" pageNumber="14">
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<taxonomicName id="290C7244B653A4FD35CEE096830B45AA" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
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has a triangular cephalon, for which it is named, and arched carinae on the last pair of pereopods. It is identified by the subequal pereonites 1-4; mid-dorsal protrusion on pereonite 1; short and bluntly rounded anterolateral margins of pereonite 1; and uropods which do not extend past the pleotelson posterior margin. The type locality and host for
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<taxonomicName id="106A2D78E12103C7BD44DB06C0782741" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
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were not mentioned in the original work by
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<bibRefCitation id="6ABE498DC62528241BAF017460395668" author="Leach, WE" editor="Cuvier, F" journalOrPublisher="Strasbourg et Levrault, Paris" pageId="18" pageNumber="19" pagination="338 - 354" title="Cymothoadees." volumeTitle="Dictionnaire des Sciences Naturelles" year="1818">Leach (1818)</bibRefCitation>
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.
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</paragraph>
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<paragraph id="B75F24109904735CB5DD602E435E4D37" pageId="13" pageNumber="14">
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Previously,
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<bibRefCitation id="EEB2C8701C7F42810746D2E3AB68D04C" author="Filhol, H" journalOrPublisher="Libraire des Compte rendus de seances de l'Academie des Sciences, Paris" pageId="17" pageNumber="18" pagination="1 - 182" title="Mission de Isle Campbell. Recherches zoologiques, botaniques, et geologiques faites a l'Isle Campbell et en Nouvelle-Zelande. Recueil de Memoires, Rapports et Documents relatifs a l'observation du passage de Venus sur le soleil du 9 Decembre, 1874" year="1885">Filhol (1885)</bibRefCitation>
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noted that
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<taxonomicName id="9D779A53F8FEF38492263349B73532C2" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
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,
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<taxonomicName id="C6DE87C611159B5F38BCB6122858D9CB" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa huttoni" order="Isopoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="huttoni">Ceratothoa huttoni</taxonomicName>
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Filhol, 1885 and
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<taxonomicName id="A243603E38F6DA52B4CAB33575E80CD6" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa novaezelandiae" order="Isopoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="novaezelandiae">Ceratothoa novaezelandiae</taxonomicName>
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Filhol, 1885 were three separate species based on small morphological differences. Some of these differences included the shape of the antennae; the shape and dimensions of the pereonites; and pigmentation. All three of these species were later combined into one as
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<taxonomicName id="89A42D6AF5DD7B342240569071C85F4A" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
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, with the differences recognised as intraspecific and not interspecific (
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<bibRefCitation id="ADC9AAE02A6BCADCD21FF5DB055840D6" author="Trilles, J-P" journalOrPublisher="Cahiers de l'Office de Recherche Scientifiques et Techniques Outre Mers, serie Oceanographique" pageId="19" pageNumber="20" pagination="3 - 17" title="Sur quatre isopodes cymothoides du Pacifique (Nouvelle Caledonie)." volume="10" year="1972">Trilles 1972</bibRefCitation>
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). After reviewing the drawings,
|
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<taxonomicName id="651F3996D4F9D498DA9108EBCAA58156" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa huttoni" order="Isopoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="huttoni">Ceratothoa huttoni</taxonomicName>
|
||
was found to not resemble the
|
||
<taxonomicName id="2A49EC3344DAF0BA193101518707D549" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
|
||
holotype and the identity of
|
||
<taxonomicName id="9F6689396B9A523E9C8B7E46CC32A7E0" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa novaezelandiae" order="Isopoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="novaezelandiae">Ceratothoa novaezelandiae</taxonomicName>
|
||
could not be confirmed and thus these synonymies are not upheld here.
|
||
</paragraph>
|
||
<paragraph id="2B079FF62F26807DA9CD99EE44C3C799" pageId="14" pageNumber="15">
|
||
<taxonomicName id="03DD0D57E1F2E9F4D3AE4CF37133BA76" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="trigonocephala">
|
||
<pageBreakToken id="C0198D854608FD29D7892567DA4EC6C7" pageId="14" pageNumber="15" start="start">Ceratothoa</pageBreakToken>
|
||
trigonocephala
|
||
</taxonomicName>
|
||
has often been confused with
|
||
<taxonomicName id="BD7E375DC01A749535A9CE0EFE14FD7F" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa imbricata" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="imbricata">Ceratothoa imbricata</taxonomicName>
|
||
and a complete redescription and species clarification on these two species was needed. Differences between
|
||
<taxonomicName id="F72CFEB69F75C2B1B9CE22E87C0CD32B" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa imbricata" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="imbricata">Ceratothoa imbricata</taxonomicName>
|
||
and
|
||
<taxonomicName id="1E1E9A7F9FFBCB0968E3D01A46161471" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
|
||
, based on description of the type specimens include:
|
||
<taxonomicName id="09546BB00B06556F88E6B82CDAA7432B" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa imbricata" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="imbricata">Ceratothoa imbricata</taxonomicName>
|
||
pereonite 1 is larger than pereonites 2-4 while in
|
||
<taxonomicName id="D2BD42101C3EE83CB8079E94CD7AA90F" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
|
||
these four pereonites are subequal; the posterior margin of pereonite 1 is curved in
|
||
<taxonomicName id="35CE1BC98F68F6A147FFD39C23BDACF4" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa imbricata" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="imbricata">Ceratothoa imbricata</taxonomicName>
|
||
and straight in
|
||
<taxonomicName id="04CC3CDC7C2C9018528EDE9548A837A1" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
|
||
;
|
||
<taxonomicName id="C9D13B5BE4C2FDDD3C3D63659F8C3536" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa imbricata" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="imbricata">Ceratothoa imbricata</taxonomicName>
|
||
had a bulbous protrusion on the merus of pereopod 1 which is absent in
|
||
<taxonomicName id="E87ADD849CA2FB819A46C065F859802C" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
|
||
; and the uropods of
|
||
<taxonomicName id="D555E6A36C1F7791B0BD21926B94C2DE" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
|
||
are shorter than the pleotelson but are longer in
|
||
<taxonomicName id="37FB2FD595F6094EFDDF061962C31CB2" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa imbricata" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="imbricata">Ceratothoa imbricata</taxonomicName>
|
||
. Furthermore,
|
||
<taxonomicName id="0CDEA99623D7887C87A2752AD24B97CF" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa imbricata" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="imbricata">Ceratothoa imbricata</taxonomicName>
|
||
has a more narrow and produced anterolateral angles on pereonite 1; a more rounded anterior margin on the cephalon; longer uropods which extend to or past the posterior margin of the pleotelson; and pereonite 1 is longer than pereonites 2-4 which are almost subequal in
|
||
<taxonomicName id="1BD423259EDF7443E0735F2DE9C4BC67" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="5846F4BF18FF16251822E843BFC0CE9B" pageId="14" pageNumber="15">
|
||
Although this species had been recorded from South Africa (
|
||
<bibRefCitation id="0024E9ABAC658E090E12991CBE0883EB" author="Kensley, B" journalOrPublisher="South African Museum & The Rustica Press, Wynberg, Cape Town" pageId="18" pageNumber="19" title="Guide to the Marine Isopods of Southern Africa." year="1978">Kensley 1978</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="8E830719D5CC3458D98AB323D3483D40" pageId="14" pageNumber="15">2001</bibRefCitation>
|
||
), no South African specimens were found during the present study that could be identified as
|
||
<taxonomicName id="D6EF0CD94EC6FF2C3D4A24FCAF351286" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
|
||
, and the species is here excluded from the South Africa fauna.
|
||
</paragraph>
|
||
<caption id="DE78CCE44CFED79D5B4BDC568E263CDF" pageId="14" pageNumber="15">
|
||
<paragraph id="4769B6B84B630C121DB372165918AC63" pageId="14" pageNumber="15">
|
||
Figure 21. Photographs of the
|
||
<taxonomicName id="64BB3387C2504CB50A056DCA1F36D67A" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="genus">Ceratothoa</taxonomicName>
|
||
specimens studied: A lateral view of
|
||
<taxonomicName id="4A3AB03F73A6DEF473789D822DC809C7" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa africanae" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="africanae">Ceratothoa africanae</taxonomicName>
|
||
sp. n. (SAM A45938) B dorsal view of
|
||
<taxonomicName id="6E5D72612FDAF51441903EE84B9AD4A8" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa africanae" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="africanae">Ceratothoa africanae</taxonomicName>
|
||
sp. n. (SAM A45938) C lateral view of
|
||
<taxonomicName id="B2D194AF38F356DDBFE0F6BFDCD84B4A" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa famosa" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="famosa">Ceratothoa famosa</taxonomicName>
|
||
sp. n. (SAM A45941) D dorsal view of
|
||
<taxonomicName id="E8BBC8ABA881C8582C06D3ACF45F3A53" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa famosa" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="famosa">Ceratothoa famosa</taxonomicName>
|
||
sp. n. (SAM A45941) E dorsal view of
|
||
<taxonomicName id="25A8B9ED7D89DBA0F6D9D950977C9318" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa imbricata" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="imbricata">Ceratothoa imbricata</taxonomicName>
|
||
(Fabricius, 1775) (BMNH 1979.403.1) F dorsal view of
|
||
<taxonomicName id="7E3E304C375D1AC6EDCCD0C3B9289E73" class="Malacostraca" family="Cymothoidae" genus="Ceratothoa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ceratothoa trigonocephala" order="Isopoda" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="trigonocephala">Ceratothoa trigonocephala</taxonomicName>
|
||
(Leach, 1818) (NHMUK 2013.1013).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |