205 lines
17 KiB
XML
205 lines
17 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.247.3698" ID-GBIF-Dataset="cf0233a4-ecc2-43da-8674-8f01d38cd9a0" ID-PMC="PMC3520137" ID-Pensoft-Pub="1313-2970-247-1" ID-PubMed="23275753" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-247-1" ModsDocOrigin="ZooKeys 247" ModsDocTitle="Four new species of splanchnotrophid copepods (Poecilostomatoida) parasitic on doridacean nudibranchs (Gastropoda, Opistobranchia) from Japan, with proposition of one new genus" checkinTime="1451247889117" checkinUser="pensoft" docAuthor="Uyeno, Daisuke & Nagasawa, Kazuya" docDate="2012" docId="71790044B8BF5281256F880B1E3B2DD2" docLanguage="en" docName="ZooKeys 247: 1-29" docOrigin="ZooKeys 247" docSource="http://dx.doi.org/10.3897/zookeys.247.3698" docTitle="Majimun shirakawai Uyeno & Nagasawa, 2012, gen. et sp. n." docType="treatment" docVersion="4" lastPageNumber="12" masterDocId="89687F48FFA9FFA0FFE3BB605F3EFFB2" masterDocTitle="Four new species of splanchnotrophid copepods (Poecilostomatoida) parasitic on doridacean nudibranchs (Gastropoda, Opistobranchia) from Japan, with proposition of one new genus" masterLastPageNumber="29" masterPageNumber="1" pageNumber="10" updateTime="1668154976086" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Four new species of splanchnotrophid copepods (Poecilostomatoida) parasitic on doridacean nudibranchs (Gastropoda, Opistobranchia) from Japan, with proposition of one new genus</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Uyeno, Daisuke</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Nagasawa, Kazuya</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2012</mods:date>
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<mods:detail type="volume">
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<mods:number>247</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>29</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.247.3698</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.247.3698</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-247-1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152039082" LSID="urn:lsid:zoobank.org:act:4C7B7C83-FFB4-4997-9329-5999D8553200" httpUri="http://treatment.plazi.org/id/71790044B8BF5281256F880B1E3B2DD2" lastPageId="11" lastPageNumber="12" pageId="9" pageNumber="10">
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<subSubSection pageId="9" pageNumber="10" type="nomenclature">
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<paragraph pageId="9" pageNumber="10">
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<taxonomicName LSID="New Japanese name: banana-umiushi-yadori for both the genus and the species" class="Hexanauplia" family="Splanchnotrophidae" genus="Majimun" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Majimun shirakawai" order="Cyclopoida" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="shirakawai">
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<pageBreakToken pageId="9" pageNumber="10" start="start">Majimun</pageBreakToken>
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shirakawai
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</taxonomicName>
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<taxonomicNameLabel pageId="9" pageNumber="10">gen. et sp. n.</taxonomicNameLabel>
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Figures 1G, H1012
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</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="10" type="type material">
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<paragraph pageId="9" pageNumber="10">Type material.</paragraph>
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<paragraph pageId="9" pageNumber="10">
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Holotype: female, ex body cavity of
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<taxonomicName class="Gastropoda" family="Polyceridae" genus="Roboastra" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Roboastra luteolineata" order="Nudibranchia" pageId="9" pageNumber="10" phylum="Mollusca" rank="species" species="luteolineata">Roboastra luteolineata</taxonomicName>
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(Baba) (
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<taxonomicName genus="Nudibranchia" lsidName="Nudibranchia" pageId="9" pageNumber="10" rank="genus">Nudibranchia</taxonomicName>
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:
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<taxonomicName family="Polyceridae" lsidName="" pageId="9" pageNumber="10" rank="family">Polyceridae</taxonomicName>
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), off Miyagi Beach, Chatan, Okinawa-jima Island, East China Sea, Japan (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="26.32889">26°19'44"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="127.74305">127°44'35"E</geoCoordinate>
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), 6 m depth, 14 June 2010 (
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<normalizedToken originalValue="NSMT–Cr">NSMT-Cr</normalizedToken>
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22250). Allotype: male (
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<normalizedToken originalValue="NSMT–Cr">NSMT-Cr</normalizedToken>
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22251) collection data same as that of holotype. Paratypes: 1 female and 1 male, ex body cavity of
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<taxonomicName class="Gastropoda" family="Polyceridae" genus="Roboastra" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Roboastra gracilis" order="Nudibranchia" pageId="9" pageNumber="10" phylum="Mollusca" rank="species" species="gracilis">Roboastra gracilis</taxonomicName>
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(Bergh), off Cape Maeda, Onna, Okinawa-jima Island, East China Sea, Japan (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="26.444721">26°26'41"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="127.772224">127°46'20"E</geoCoordinate>
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), 5 m depth, June 2010 (
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<normalizedToken originalValue="NSMT–Cr">NSMT-Cr</normalizedToken>
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22252); 2 females and 1 male, ex body cavity of
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<taxonomicName class="Gastropoda" family="Polyceridae" genus="Roboastra" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Roboastra luteolineata" order="Nudibranchia" pageId="9" pageNumber="10" phylum="Mollusca" rank="species" species="luteolineata">Roboastra luteolineata</taxonomicName>
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(Baba), off Miyagi Beach, Chatan, Okinawa-jima Island, East China Sea, Japan (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="26.32889">26°19'44"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="127.74305">127°44'35"E</geoCoordinate>
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), unknown water depth, 14 October 2009 (
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<normalizedToken originalValue="RUMF–ZC–">RUMF-ZC-</normalizedToken>
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02106).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="10" type="type locality">
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<paragraph pageId="9" pageNumber="10">Type locality.</paragraph>
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<paragraph pageId="9" pageNumber="10">
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off Miyagi Beach, Chatan, Okinawa-jima Island, East China Sea, Japan (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="26.32889">26°19'44"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="127.74305">127°44'35"E</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10" type="description">
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<paragraph pageId="9" pageNumber="10">Description of adult female.</paragraph>
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<paragraph pageId="9" pageNumber="10">Body length (Figure 10A) 4.99, elongate, composed of elongate prosome with 3 pairs of lateral processes and 3-segmented urosome. Prosome composed of anterior region (cephalosome), middle region (comprising first and second pedigerous somites), and posterior region (comprising third and fourth pedigerous somites). Cephalosome rectangular (Figure 10A, B), bearing protruded rostral area (Figure 10G). Middle region (Figure 10A, B) elongate, about twice as long as wide, bearing constriction at base of first lateral processes and dorsal posterior lobe, without posterolateral processes. Posterior region (Figure 10A, B) elongate, third and fourth pedigerous somites covered with anchor-shaped spinules (Figure 10E) along posterior margin (Figure 10C, D). Lateral processes (Figure 10A) long and slender, about 1.3 times as long as body length. Urosome (Figure 10C, D) small; genital double somite cylindrical, narrower at middle length, bearing paired apertures with slightly prominent posterolateral corners; opercula bearing small shield-like structure with 2 spiniform processes. Caudal ramus (Figure 10F) small, fusiform, about twice as long as wide, bearing 6 setae; apical seta styliform.</paragraph>
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<paragraph lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10">
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Antennule (Figure 11A) 3-segmented bearing spiniform elements; proximal segment subdivided basal part with 4 elements and distal part with 3 elements; middle segment bearing 3 elements; terminal segment bearing 11 elements. Antenna (Figure 11B) 3-segmented; coxo-basis broad, bearing 1 inner spiniform element; proximal segment of endopod bearing 1 inner spiniform element; terminal segment of endopod drawn out into strong apical claw, with 4 and 1 elements along outer and inner margins, respectively. Labrum (Figure 11B) bilobate, bearing paired extra lobes along posterior margin and small central, conical protrusion. Mandible
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<pageBreakToken pageId="10" pageNumber="11" start="start">(</pageBreakToken>
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Figure 11B, C) spatulate, drawn out into blade with pointed tip and 3 dentiform processes. Maxillule not observed. Paragnath (Figure 11B, D) bulbous lobe covered with setules. Maxilla (Figure 11B, E) 2-segmented; syncoxa unarmed; allobasis tapering into curved process, with seta. Maxilliped absent. Labium (Figure 11B) bearing single pointed process, small paired protrusions ornamented with spinules, and posterolateral patch of spinules.
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</paragraph>
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<paragraph pageId="10" pageNumber="11">Legs 1 and 2 (Figures 10B, 11F, G) composed of protopod largely incorporated into ventral wall of prosome with exopodal and endopodal lobes; protopod bearing outer basal seta, small protrusion at base of endopodal lobe of leg 1; exopodal lobe indistinctly 2-segmented, tapering into spiniform apical process, bearing 4 and 2 elements in legs 1 and 2, respectively; endopodal lobe cylindrical bearing apical process. Leg 3 (Figures 10C, 11H) represented by conical process with apical seta.</paragraph>
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<paragraph pageId="10" pageNumber="11">Egg sacs (Figure 10A) cylindrical and spiral; orange in live color (Figure 1G, H).</paragraph>
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<paragraph pageId="10" pageNumber="11">
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Variation of female morphology.The morphology of body parts of female paratypes is as in the holotype. The specimens from type series (n = 4) range from 3.31-4.99 (3.99
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<normalizedToken originalValue="±">+/-</normalizedToken>
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0.77) BL.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="10" pageNumber="11" type="description">
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<paragraph pageId="10" pageNumber="11">Description of adult male.</paragraph>
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<paragraph pageId="10" pageNumber="11">
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Body (Figure 12
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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) 1.02 long, cyclopiform, composed of cephalothorax and 5 cylindrical somites. Cephalothorax (Figure 12
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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) large, bulbous, incorporating first and second pedigerous somites, bearing transverse constriction posterior to mouthparts and paired posterolateral outgrowths. Posterior margin of third and fourth pedigerous somites (Figure 12C, D) covered with anchor-shaped spinules (Figure 12E) on both dorsal and ventral surface. Genital somite (Figure 12D) bearing paired apertures; opercula unarmed. Caudal ramus (Figure 12F) conical, about as long as wide, bearing 6 setae; apical seta styliform. No marked sexual dimorphism in antennule and mouthparts. Shape of antenna (Figure 12G) as in female except terminal endopodal segment bearing 5 elements; inner margin bearing 2 of 5 elements. Mandible (Figure 12H) elongate, drawn out into spatulate apical blade with 3 dentiform processes.
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</paragraph>
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<paragraph pageId="10" pageNumber="11">Legs 1 and 2 (Figure 12B, I, J) composed of round protopod with outer basal seta, indistinctly 2-segmented exopodal lobe drawn out into pointed process with 4 and 3 elements on legs 1 and 2, respectively, and non-segmented endopodal segment with apical small process. Leg 3 (Figure 12D, K) represented by conical process with apical seta.</paragraph>
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<paragraph pageId="10" pageNumber="11">
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Variation of male morphology. The morphology of male paratypes is as in the allotype. The specimens from type series (n = 3) range from 0.50-1.02 (0.75
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<normalizedToken originalValue="±">+/-</normalizedToken>
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0.26) in BL.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="10" pageNumber="11" type="site">
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<paragraph pageId="10" pageNumber="11">Site.</paragraph>
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<paragraph pageId="10" pageNumber="11">
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All specimens of both sexes were found in the body cavity of the host nudibranchs. The lateral processes on the prosome of females grasped the
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<normalizedToken originalValue="host’s">host's</normalizedToken>
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visceral sac, and their mouthparts were in touch with the
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<normalizedToken originalValue="host’s">host's</normalizedToken>
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gonads. The posterior tip of the urosome and the egg sacs were exposed from the posterior region of the
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<normalizedToken originalValue="host’s">host's</normalizedToken>
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gill circle (Figure 1G). Males were attached to the posterior part of the female prosome (Figure 1H). Both females and males bear patches of hook-like spinules (Figures 10E, 12E) on the posterior margin of the third and fourth pedigerous somites.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="11" lastPageNumber="12" pageId="10" pageNumber="11" type="etymology">
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<paragraph pageId="10" pageNumber="11">Etymology.</paragraph>
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<paragraph lastPageId="11" lastPageNumber="12" pageId="10" pageNumber="11">
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The new species is named after Mr. Naoki Shirakawa, an expert diver who finds remarkable animals. He collected the nudibranchs infected by the new species
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<pageBreakToken pageId="11" pageNumber="12" start="start">.</pageBreakToken>
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</paragraph>
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<caption pageId="11" pageNumber="12">
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<paragraph pageId="11" pageNumber="12">
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Figure 10.
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<taxonomicName class="Hexanauplia" family="Splanchnotrophidae" genus="Majimun" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Majimun shirakawai" order="Cyclopoida" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="shirakawai">Majimun shirakawai</taxonomicName>
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gen. et sp. n., female, holotype
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<normalizedToken originalValue="NSMT–Cr">NSMT-Cr</normalizedToken>
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22250. A habitus, dorsal
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<normalizedToken originalValue="A’">A'</normalizedToken>
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enlarged view of egg sac B habitus, ventral, p1 = leg 1, p2 = leg 2 C posterior portion of body, dorsal, p3 = leg 3 D posterior portion of fourth pedigerous somite and genito-abdomen, ventral E enlarged view of the patch of anchor-like spinules on posterior margin of fourth pedigerous somite F caudal ramus, ventral F anterior portion of cephalosome, ventral. Scale bars = 1 mm in A, B; 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in
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<normalizedToken originalValue="A’">A'</normalizedToken>
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; 200
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in C, D, G; 20
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in E, F.
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</paragraph>
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</caption>
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<caption pageId="11" pageNumber="12">
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<paragraph pageId="11" pageNumber="12">
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Figure 11.
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<taxonomicName class="Hexanauplia" family="Splanchnotrophidae" genus="Majimun" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Majimun shirakawai" order="Cyclopoida" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="shirakawai">Majimun shirakawai</taxonomicName>
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gen. et sp. n., female, holotype
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<normalizedToken originalValue="NSMT–Cr">NSMT-Cr</normalizedToken>
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22250. A antennule, anterior B oral area C mandible D paragnath E maxilla F leg 1 G leg 2 H leg 3. Scale bars = 50
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in A, E; 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in B; 20
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in C, D, F, G; 10
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in H.
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</paragraph>
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</caption>
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<caption pageId="11" pageNumber="12">
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<paragraph pageId="11" pageNumber="12">
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Figure 12.
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<taxonomicName class="Hexanauplia" family="Splanchnotrophidae" genus="Majimun" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Majimun shirakawai" order="Cyclopoida" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="shirakawai">Majimun shirakawai</taxonomicName>
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gen. et sp. n., male, allotype
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<normalizedToken originalValue="NSMT–Cr">NSMT-Cr</normalizedToken>
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22251. A habitus, dorsal B habitus, ventral, p1 = leg 1, p2 = leg 2 C habitus lateral D posterior portion of body, ventral, p3 = leg 3 E anchor-like spinule on posterior margin of fourth pedigerous somite F caudal ramus, ventral G antenna, anterior H mandible I leg 1 J leg 2 K leg 3. Scale bars = 200
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in A, B, C; 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in D; 20
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in F, H, I, J, K; 10
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in E; 50
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<normalizedToken originalValue="μm">μm</normalizedToken>
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in G.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |