424 lines
66 KiB
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424 lines
66 KiB
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<document ID-CLB-Dataset="278547" ID-DOI="http://dx.doi.org/10.3897/zse.99.108032" ID-GBIF-Dataset="89e4b816-3dc7-4e13-aac3-4838b2a9bc1b" ID-Pensoft-Pub="1860-0743-2-545" ID-Pensoft-UUID="75CC999BD48A5050BA0FD8A8304E4C7F" ID-ZooBank="55EB7C8D3FA44DDF9340A54B33999627" ModsDocID="1860-0743-99-2-545" checkinTime="1700659060489" checkinUser="pensoft" docAuthor="Tomikawa, Ko, Yoshii, Junpei, Noda, Akari, Lee, Chi-Woo, Sasaki, Tetsuro, Kimura, Naoya & Nunomura, Noboru" docDate="2023" docId="EBD38898BAB0538A8667D1D5195A5D89" docLanguage="en" docName="ZoosystEvol 99(2): 545-556" docOrigin="Zoosystematics and Evolution 99 (2)" docPubDate="2023-11-21" docSource="http://dx.doi.org/10.3897/zse.99.108032" docTitle="Gnorimosphaeroma rivulare Tomikawa, Yoshii & Nunomura 2023, sp. nov." docType="treatment" docUuid="E97CCBDD-F5FE-473F-BD78-B98DB4230BEB" docUuidSource="ZooBank" docVersion="4" id="75CC999BD48A5050BA0FD8A8304E4C7F" lastPageNumber="545" masterDocId="75CC999BD48A5050BA0FD8A8304E4C7F" masterDocTitle="A new freshwater species of Gnorimosphaeroma (Crustacea, Isopoda, Sphaeromatidae) from Chichi-jima Island, Ogasawara Islands, Japan" masterLastPageNumber="556" masterPageNumber="545" pageNumber="545" updateTime="1720547162163" updateUser="admin">
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<mods:mods id="047549C5CBC933AA7D89373BC65CD8C7" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="CF1442929889CE8B083E66D4353D8C2F">
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<mods:title id="93D7F45D55F957AF2A3CAC7E064E652F">A new freshwater species of Gnorimosphaeroma (Crustacea, Isopoda, Sphaeromatidae) from Chichi-jima Island, Ogasawara Islands, Japan</mods:title>
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<mods:name id="C90B9F76D1866E0F6FFF91189D317803" type="personal">
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<mods:namePart id="6B6701E7DB2EEA87A81F7E7D3A907EFF">Tomikawa, Ko</mods:namePart>
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<mods:affiliation id="CD024DA7A22FC99DED457D5A3702734E">Graduate School of Humanities and Social Sciences, Hiroshima University, Higashihiroshima, Hiroshima 739 - 8524, Japan</mods:affiliation>
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<mods:nameIdentifier id="359155F4A6C4C7147668F9DAC19C4D7D" type="email">tomikawa@hiroshima-u.ac.jp</mods:nameIdentifier>
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<mods:roleTerm id="2150E75A130F24FC4D9662E4A3E851C5">Author</mods:roleTerm>
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<mods:namePart id="74753A4383B94EA7382B9B863E63138A">Yoshii, Junpei</mods:namePart>
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<mods:nameIdentifier id="74E9B9D7F37005B09D59F4EAD28A27C9" type="ORCID">https://orcid.org/0009-0001-1345-0743</mods:nameIdentifier>
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<mods:affiliation id="066A2D0D6DA0C11F63D9F015D880782E">Graduate School of Humanities and Social Sciences, Hiroshima University, Higashihiroshima, Hiroshima 739 - 8524, Japan</mods:affiliation>
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</mods:name>
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<mods:name id="40B3713BFA32FB4B40D53775830AD3BE" type="personal">
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<mods:role id="24101355DF0C37185DD07B605D91CDD1">
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<mods:roleTerm id="369FA3FE00EFCF9DC4A00B59C9E643D3">Author</mods:roleTerm>
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<mods:namePart id="1652497A5E67087F05368E671936C44C">Noda, Akari</mods:namePart>
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<mods:affiliation id="B512A2DB8AAE7FB7862090D55A8E1FFD">Graduate School of Humanities and Social Sciences, Hiroshima University, Higashihiroshima, Hiroshima 739 - 8524, Japan</mods:affiliation>
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<mods:name id="859D67E921B3D3A456163A2100DA0400" type="personal">
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<mods:namePart id="7A193E3CC9CD3C649E05A381F5572EB7">Lee, Chi-Woo</mods:namePart>
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<mods:nameIdentifier id="310589BCBDAA45190688041210367F5E" type="ORCID">https://orcid.org/0000-0002-0763-4271</mods:nameIdentifier>
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<mods:affiliation id="CEFEED5EA41C9A2F5C0773A9667883FC">Nakdonggang National Institute of Biological Resources, 137, Donam 2 - gil, Sangju-si, Gyeongsangbuk-do 37242, Republic of Korea</mods:affiliation>
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</mods:name>
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<mods:name id="8D29E05D17079C9CD167E4E574A0CE25" type="personal">
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<mods:roleTerm id="65BFDE60DB5E8BFA0FF154F653E01D0F">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="D8E0D311AEE41EF7C3A8D989A488D0AC">Sasaki, Tetsuro</mods:namePart>
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<mods:affiliation id="EA7C7A6AD0531B2A262F6BDA1F90EAF4">Institute of Boninology, Nishi-machi, Chichi-jima, Ogasawara, Tokyo 100 - 2101, Japan</mods:affiliation>
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</mods:name>
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<mods:name id="403FD30BCE2022053F651F8265E72CAE" type="personal">
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<mods:roleTerm id="EAE152A3DEBE4276528FDCD2C301485A">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="1EC80DEE1D863FCEC6532652C4A4E219">Kimura, Naoya</mods:namePart>
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<mods:affiliation id="8EF346EAED6605E8DB3C8DB4EB642499">Tokiwazaka 1 - 7 - 18, Hirosaki, Aomori 036 - 8263, Japan</mods:affiliation>
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<mods:name id="46E60568495BF665D6F546DF31B503C0" type="personal">
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<mods:namePart id="61AF9F91E4CB04ADD5D9034D8A2DE55E">Nunomura, Noboru</mods:namePart>
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<mods:nameIdentifier id="F5A90371696C3AAEACBA9E6E9E1DCC9D" type="ORCID">https://orcid.org/0000-0002-9249-038X</mods:nameIdentifier>
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<mods:affiliation id="FAB844F1CB6CFB31D4D2BD947C479A82">Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Ogi, Noto-cho, Kanazawa, Ishikawa 927 - 0553, Japan</mods:affiliation>
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<mods:typeOfResource id="BBB23B0DE383140E1C4D345A9BB71CE0">text</mods:typeOfResource>
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<mods:title id="2BBF1AC4B095A9DA8293C54B79212A46">Zoosystematics and Evolution</mods:title>
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<mods:part id="A523FC40528D3EC8FCAF6A947DF9BC95">
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<mods:date id="37B5C77F6134CC7CFFDCE6BF5E563009">2023</mods:date>
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<mods:number id="2C806BC7F1CEB3D58CD4E84B921431A1">2023-11-21</mods:number>
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<mods:number id="54C631ABE67D29575C38190A371A346F">99</mods:number>
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<mods:number id="DF809CA615B42630F59F83D6B87843E3">2</mods:number>
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<mods:start id="699FC48EA1C3FD7700BC2805CE8533B5">545</mods:start>
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<mods:url id="950F475A96D12790FBFDE19D21821C92">http://dx.doi.org/10.3897/zse.99.108032</mods:url>
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<mods:classification id="8FE499F00587EC39E82386F657DE3F5E">journal article</mods:classification>
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<mods:identifier id="7CD5109E8B8C8FFFFD49BE2B7865EE72" type="DOI">http://dx.doi.org/10.3897/zse.99.108032</mods:identifier>
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<mods:identifier id="173DE39C6582F6B53FE40DD0BA734EBF" type="Pensoft-Pub">1860-0743-2-545</mods:identifier>
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<mods:identifier id="9FF9B1540AD32E691E1E2B83D0931C73" type="ZooBank">55EB7C8D3FA44DDF9340A54B33999627</mods:identifier>
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<treatment id="EBD38898BAB0538A8667D1D5195A5D89" ID-GBIF-Taxon="217779977" LSID="urn:lsid:zoobank.org:act:E97CCBDD-F5FE-473F-BD78-B98DB4230BEB" httpUri="http://treatment.plazi.org/id/EBD38898BAB0538A8667D1D5195A5D89" lastPageNumber="545" pageId="0" pageNumber="545">
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<subSubSection id="8F2707B264E8780818C9ECFBBC9C360B" pageId="0" pageNumber="545" type="nomenclature">
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<paragraph id="546528540E26EA22436E87C0FAC5EA10" pageId="0" pageNumber="545">
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<taxonomicName id="72CDDAF9433D8341041EBAE3C1ECB2B0" ID-CoL="C4WSF" LSID="https://zoobank.org/E97CCBDD-F5FE-473F-BD78-B98DB4230BEB" authority="Tomikawa, Yoshii & Nunomura" authorityName="Tomikawa, Yoshii & Nunomura" authorityYear="2023" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Gnorimosphaeroma rivulare" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="rivulare" status="sp. nov.">Gnorimosphaeroma rivulare Tomikawa, Yoshii & Nunomura</taxonomicName>
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<taxonomicNameLabel id="A115F40839D26C6A23D9C7F80EC7675F" pageId="0" pageNumber="545">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="A662D5DA12160D267DDB5AAA3DC5115D" pageId="0" pageNumber="545" type="description">
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<paragraph id="3991713397BCD4C8A624E3E860E729C1" pageId="0" pageNumber="545">
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<figureCitation id="DF668ABD17E24C482609124C8C4A171D" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Habitat and live specimen of Gnorimosphaeroma rivulare sp. nov. A. Habitat; B. Living state of the holotype, male 4.9 mm (NSMT-Cr 31485)." figureDoi="10.3897/zse.99.108032.figure2" httpUri="https://binary.pensoft.net/fig/940297" pageId="0" pageNumber="545">Figs 2</figureCitation>
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<figureCitation id="7ACE92761F070F7AD2CB39BA8597216B" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">, 3</figureCitation>
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<figureCitation id="7D63D642AB1AAC5154B888D16E908D43" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 1, medial view; B. Merus, carpus, propodus and dactylus of right pereopod 1, medial view; C. Right pereopod 2, medial view; D. Carpus, propodus and dactylus of right pereopod 2, medial view; E. Right pereopod 3, medial view; F. Merus, carpus, propodus and dactylus of right pereopod 3, medial view; G. Right pereopod 4, medial view; H. Right pereopod 5, medial view." figureDoi="10.3897/zse.99.108032.figure4" httpUri="https://binary.pensoft.net/fig/940299" pageId="0" pageNumber="545">, 4</figureCitation>
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<figureCitation id="B4FD8E035F20302ABB65F9D8B156934C" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 6, medial view; B. Right pereopod 7, medial view; C. Penes, anterior view; D. Right pleopod 1, anterior view; E. Right pleopod 2, anterior view; F. Right pleopod 3, anterior view; G. Right pleopod 4, anterior view; H. Left pleopod 5, posterior view; I. Detail of distal endopod of pleopod 5, posterior view; J. Left uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure5" httpUri="https://binary.pensoft.net/fig/940300" pageId="0" pageNumber="545">, 5</figureCitation>
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<figureCitation id="A55124C33D716E3911D662D1AA89A8AC" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma rivulare sp. nov., paratype, female 3.2 mm (NSMT-Cr 31488). A, B. Merus, carpus, propodus and dactylus of right pereopods 1 and 2, medial views; C, D. Right pleopods 1 and 2, anterior views; E. Right uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure6" httpUri="https://binary.pensoft.net/fig/940301" pageId="0" pageNumber="545">, 6</figureCitation>
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<figureCitation id="1DB339F2E0C3AEECF1CC0DC55E4D5AE5" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM photographs of G. rivulare sp. nov., paratype, male 5.2 mm (NSMT-Cr 31507). A. Habitus, lateral view; B. Pleon and pleotelson, dorsal view." figureDoi="10.3897/zse.99.108032.figure7" httpUri="https://binary.pensoft.net/fig/940302" pageId="0" pageNumber="545">, 7 New Japanese name: Chichijima-kotsubumushi</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="29345237439472DF137814658B58B39F" pageId="0" pageNumber="545" type="type material">
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<paragraph id="14B6A7AB5F62FAEA6D4FB49F4A962492" pageId="0" pageNumber="545">Type materials.</paragraph>
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<paragraph id="58E5CEDBE95E2E126E0C2CFEEA5316E5" pageId="0" pageNumber="545">
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<emphasis id="502B92F1B69605775911F0EFFBD07CD1" bold="true" italics="true" pageId="0" pageNumber="545">Holotype</emphasis>
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: male 4.9 mm (NSMT-Cr 31485), upper stream of Nagatani River (
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<geoCoordinate id="320D36A8BDE97D79B3A12B1ACDF12316" degrees="27" direction="north" minutes="04.051" orientation="latitude" precision="1" value="27.067516">27°04.051'N</geoCoordinate>
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,
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<geoCoordinate id="2E45075FC4F7CB08A269E94B745B2731" degrees="142" direction="east" minutes="12.938" orientation="longitude" precision="1" value="142.21564">142°12.938'E</geoCoordinate>
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), alt. 160 m, Chichi-jima Island, Ogasawara Islands, Tokyo, Japan, collected by Tetsuro Sasaki on 2 February 2021.
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<emphasis id="61E16D90475F97A299C31844825ACA85" bold="true" italics="true" pageId="0" pageNumber="545">Paratypes</emphasis>
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: 3 males, 5.3 mm (NSMT-Cr 31486; G1892), 4.7 mm (NSMT-Cr 31487; G1893), 5.2 mm (NSMT-Cr 31507) 1 female 3.2 mm (NSMT-Cr 31488), data same as for holotype; 2 males, 4.1 mm (NSMT-Cr 31489), 4.0 mm (NSMT-Cr 31490; G1826), locality same as for holotype, collected by Noboru Nunomura on 16 December 2019.
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</paragraph>
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</subSubSection>
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<subSubSection id="F52359050A51A88D5552A804178E10C7" pageId="0" pageNumber="545" type="type locality">
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<paragraph id="A4BCA5FA0ECDBAC957E63F39B343CF7D" pageId="0" pageNumber="545">Type locality.</paragraph>
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<paragraph id="8981C5FBC8DEEFFE2011854D3E92DF77" pageId="0" pageNumber="545">
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Japan, Tokyo: Ogasawara Islands, Chichi-jima Island, upper stream of Nagatani River (Figs
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<figureCitation id="53E11D0D37A9B23E90DA616D9DC72F1E" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Map showing the type localities of Gnorimosphaeroma species." figureDoi="10.3897/zse.99.108032.figure1" httpUri="https://binary.pensoft.net/fig/940296" pageId="0" pageNumber="545">1</figureCitation>
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,
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<figureCitation id="6F3E063147663758D62CDCE7BE2EDA96" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Habitat and live specimen of Gnorimosphaeroma rivulare sp. nov. A. Habitat; B. Living state of the holotype, male 4.9 mm (NSMT-Cr 31485)." figureDoi="10.3897/zse.99.108032.figure2" httpUri="https://binary.pensoft.net/fig/940297" pageId="0" pageNumber="545">2A</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="762A5AAF21FA1546368386F460B3ACA1" pageId="0" pageNumber="545" type="diagnosis">
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<paragraph id="209A46421CEEB389DE522414C54BB984" pageId="0" pageNumber="545">Diagnosis.</paragraph>
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<paragraph id="3F3599BAF1ACA85F086B37F88130C98F" pageId="0" pageNumber="545">Pleonites incompletely fused; anterior suture line longer than posterior one. Pleotelson posterior margin rounded. Maxillula medial lobe with 4 plumose setae and a short single seta; lateral lobe with 10 robust setae. Maxilla medial lobe with 17 setae; middle lobe with 12 setae; lateral lobe with 13 setae. Pereopod 1 basis with a single seta on posterodistal corner; merus with 4 setae on anterodistal corner. Pereopod 2 propodus subrectangular, not swollen. Pereopod 3 merus, carpus, and propodus sparsely setulose. Uropod exopod length 0.7 times as long as endopod.</paragraph>
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</subSubSection>
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<subSubSection id="D91AC2B2D93428344CEA026D3A519439" pageId="0" pageNumber="545" type="description">
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<paragraph id="0BBBEC6F58CA6CCECE6678D23A833FE9" pageId="0" pageNumber="545">Description.</paragraph>
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<paragraph id="DEC2930C093A610373649F04CD3B35F7" pageId="0" pageNumber="545">
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<emphasis id="D80BFF7B66B2ECF8585B63C022F21D69" bold="true" pageId="0" pageNumber="545">Male</emphasis>
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[NSMT-Cr 31485, holotype, 4.9 mm]. Body (Figs
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<figureCitation id="BE27B810C35FF6402CB5CDEF057ABA6E" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Habitat and live specimen of Gnorimosphaeroma rivulare sp. nov. A. Habitat; B. Living state of the holotype, male 4.9 mm (NSMT-Cr 31485)." figureDoi="10.3897/zse.99.108032.figure2" httpUri="https://binary.pensoft.net/fig/940297" pageId="0" pageNumber="545">2B</figureCitation>
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,
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<figureCitation id="A1FCEE91CB4686633BAED96A00DE83C2" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3A</figureCitation>
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) ovate, vaulted, ca. 1.5 times longer than wide, dorsal surface unornamented, without marginal setae; eyes ovate, simple. Coxal plates (Figs
|
|
<figureCitation id="FA6F59FEA3F9918E77EFDB0EC495FA4F" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3A</figureCitation>
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,
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<figureCitation id="5734B79D9730867BFF4BA541692932D3" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM photographs of G. rivulare sp. nov., paratype, male 5.2 mm (NSMT-Cr 31507). A. Habitus, lateral view; B. Pleon and pleotelson, dorsal view." figureDoi="10.3897/zse.99.108032.figure7" httpUri="https://binary.pensoft.net/fig/940302" pageId="0" pageNumber="545">7A</figureCitation>
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) without visible distinct articulation to pereonites, partly overlapped, distal coxal margins rounded without setae; coxa 3 tapered anteriorly and posteriorly such that the animal can conglobulate. Pleon (Figs
|
|
<figureCitation id="F22A63EC636E27E43201EF3CF6918C5B" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3A</figureCitation>
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,
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<figureCitation id="30DC1989C21C2EFBA75CB2B3FFE141CB" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM photographs of G. rivulare sp. nov., paratype, male 5.2 mm (NSMT-Cr 31507). A. Habitus, lateral view; B. Pleon and pleotelson, dorsal view." figureDoi="10.3897/zse.99.108032.figure7" httpUri="https://binary.pensoft.net/fig/940302" pageId="0" pageNumber="545">7B</figureCitation>
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) incompletely fused; pleonite 1 almost invisible, hidden by pereonite 7; anterior suture line between pleonites 2 and 3 longer than posterior one between pleonites 3 and 4; pleonite 5 fused with pleonite 4, barely recognizable. Pleotelson (Figs
|
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<figureCitation id="FA1AE9376EDDDDB9FFA04CC369195FE0" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3A</figureCitation>
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,
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<figureCitation id="9DB5EB8EFFFEF714D19C30297428AC43" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM photographs of G. rivulare sp. nov., paratype, male 5.2 mm (NSMT-Cr 31507). A. Habitus, lateral view; B. Pleon and pleotelson, dorsal view." figureDoi="10.3897/zse.99.108032.figure7" httpUri="https://binary.pensoft.net/fig/940302" pageId="0" pageNumber="545">7B</figureCitation>
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) slightly narrower than pleon, length 0.5 times longer than wide, posterior margin entire, rounded, with minute setae.
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</paragraph>
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<caption id="1B8E3A29AE589E48D354BCE4906C9848" doi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545" start="Figure 3" startId="F3">
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<paragraph id="EED801FF2C3D8A5CB84AE02F027235AF" pageId="0" pageNumber="545">
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<emphasis id="BE600BC5D30B0F8DE373E270D1277C83" bold="true" pageId="0" pageNumber="545">Figure 3.</emphasis>
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<taxonomicName id="AA7E7B0D0273FA3F18D8894EAD8455D7" authorityName="Tomikawa, Yoshii & Nunomura" authorityYear="2023" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" kingdom="Animalia" lsidName="Gnorimosphaeroma rivulare" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="rivulare">
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<emphasis id="A127B693E286E5F289F4FEACF7D17A61" italics="true" pageId="0" pageNumber="545">Gnorimosphaeroma rivulare</emphasis>
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</taxonomicName>
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sp. nov.
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<emphasis id="B11CBC818DF8358DC2BDD9E4A5E1CCF9" bold="true" pageId="0" pageNumber="545">A-F, H, J-M.</emphasis>
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Holotype, male 4.9 mm (NSMT-Cr 31485);
|
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<emphasis id="67A158E7B9EE390C92813B5EAE48641C" bold="true" pageId="0" pageNumber="545">G, I.</emphasis>
|
|
Paratype, male 5.3 mm (NSMT-Cr 31486).
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<emphasis id="77D513CD8A1AD1425724D4204557BA40" bold="true" pageId="0" pageNumber="545">A.</emphasis>
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Habitus, dorsal view;
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<emphasis id="A5B6B5B41FA78AE43A67232A4DE8DFEB" bold="true" pageId="0" pageNumber="545">B.</emphasis>
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Antennula, medial view;
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<emphasis id="157DA57F297E06F6D8A997272948C0DD" bold="true" pageId="0" pageNumber="545">C.</emphasis>
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Antenna, medial view;
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<emphasis id="FD9E3F5D343B4FB23A6B7E0140EC70D9" bold="true" pageId="0" pageNumber="545">D.</emphasis>
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Labrum, dorsal view;
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<emphasis id="55163B4668BE09215941CE6F50A8F01E" bold="true" pageId="0" pageNumber="545">E.</emphasis>
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|
Right mandible, medial view;
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|
<emphasis id="C5EACA370909582AD4456C62CA1BE4ED" bold="true" pageId="0" pageNumber="545">F.</emphasis>
|
|
Incisor and setal row of right mandible, medial view;
|
|
<emphasis id="85F1FEB47F682A2036340A6532754AD5" bold="true" pageId="0" pageNumber="545">G.</emphasis>
|
|
Incisor of right mandible, lateral view;
|
|
<emphasis id="1A4E6A3EA004FE1E75CE3351ABDAC39B" bold="true" pageId="0" pageNumber="545">H.</emphasis>
|
|
Incisor, lacinia mobilis and setal row of left mandible, medial view;
|
|
<emphasis id="744796C6D16570B2273558E3F4080905" bold="true" pageId="0" pageNumber="545">I.</emphasis>
|
|
Incisor and lacinia mobilis of left mandible, medial view;
|
|
<emphasis id="484528482C8291B12B42FD1D01FAF9CB" bold="true" pageId="0" pageNumber="545">J.</emphasis>
|
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Paragnaths, posterior view;
|
|
<emphasis id="FA38000B49647B2588232D7E14ADDF84" bold="true" pageId="0" pageNumber="545">K.</emphasis>
|
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Maxillula, anterior view;
|
|
<emphasis id="FCA8B04F5984B7BD7CB690757550D652" bold="true" pageId="0" pageNumber="545">L.</emphasis>
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Maxilla, anterior view;
|
|
<emphasis id="0A2CEC4F654DC631CE6B36A66775B291" bold="true" pageId="0" pageNumber="545">M.</emphasis>
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|
Maxilliped, anterior view.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph id="331A65D4FE8E6E6FC7AC3AD5C2105BE4" pageId="0" pageNumber="545">
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|
Antennule (Fig.
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|
<figureCitation id="5396B6E97DAFAC955B0CFC9C745A5859" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3B</figureCitation>
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) exceeding posterior margin of head; length ratio of peduncular articles 1-3 as 1.0: 0.4: 0.5; peduncular article 1 ovate, length 1.6 times as long as wide, anterior margin with a few setae, posterior margin lined with setae; peduncular article 2 subquadrate, length 1.2 times as long as wide, anterior and posterior margins lined with setae; peduncular article 3 rectangular, slender, length 3.0 times as long as wide, with setae on anterior and posterior margins; flagellum 6-articulate, articles 2 and 3 each with 2 aesthetaescs and articles 4 and 5 each with an aesthetasc. Antenna (Fig.
|
|
<figureCitation id="28648B48EBF7AD1065C56B41C9EC2D76" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3C</figureCitation>
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) reaching distal margin of pereonite 2; length ratio of peduncular articles 1-5 as 1.0: 0.9: 0.9: 1.5: 1.5; peduncular articles 1-3 subquadrate with fine setae on anterior margin; peduncular articles 4 and 5 subrectangular, each length 1.9 times longer than wide, anterior margin of article 4 with fine setae, article 5 with a few setae; flagellum 12-articulate (only the first five articles drawn in Fig.
|
|
<figureCitation id="E31D3A96113CB4551A40673B999B507A" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3C</figureCitation>
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).
|
|
</paragraph>
|
|
<paragraph id="D0AC6998B7C6D40E31A7BA5BAAF49A16" pageId="0" pageNumber="545">
|
|
Labrum (Fig.
|
|
<figureCitation id="5F2C15E61D43FEBFA1D0879286609570" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3D</figureCitation>
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|
) anterior margin rounded with fine setae. Mandibles (Fig.
|
|
<figureCitation id="9298A4C8B40E622D3AF55CCA94418D35" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3E-I</figureCitation>
|
|
) left and right incisors with 4 and 3 cusps, respectively; lacinia mobilis of left mandible with 3 cusps; setal row of left and right mandibles comprised 7 and 9 serrate setae; palp 3-articulate, length ratio of articles 1-3 as 1.0: 1.2: 0.8, article 1 with fine setae, article 2 with 10 setae on lateral margin and fine setae on medial margin, article 3 with 11 setae on lateral margin. Paragnaths (Fig.
|
|
<figureCitation id="C1E12B45CC30F016BF004259E7A6ECFF" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3J</figureCitation>
|
|
) with rounded shoulders, bearing setae. Maxillula (Fig.
|
|
<figureCitation id="48502A9977D0A3F6BA743CF2515A6868" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3K</figureCitation>
|
|
) medial lobe narrow, slightly shorter than lateral lobe, with 4 plumose setae and a short simple seta; lateral lobe with 10 robust setae, 4 of which serrate. Maxilla (Fig.
|
|
<figureCitation id="B161698B030D63F9A527B830606A5C85" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3L</figureCitation>
|
|
) medial lobe with 17 setae, some of which plumose; middle lobe with 12 setae; lateral lobe with 13 setae. Maxilliped (Fig.
|
|
<figureCitation id="C7626855A361525097583906C5690B9A" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3M</figureCitation>
|
|
) endite reaching distal margin of palp article 2, distal margin with 8 plumose setae and 5 simple setae, medial margin with a coupling hook and 4 plumose setae; palp 5-articulate, articles 2-4 with 3, 3 and 6 setae on lateral margin, respectively, produced mediodistally with setae, article 5 narrow with marginal setae.
|
|
</paragraph>
|
|
<paragraph id="D7932A2F9710037B2DE988C12618A64F" pageId="0" pageNumber="545">
|
|
Pereopod 1 (Fig.
|
|
<figureCitation id="7091B49CC95255570EAB4268CF2790B4" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 1, medial view; B. Merus, carpus, propodus and dactylus of right pereopod 1, medial view; C. Right pereopod 2, medial view; D. Carpus, propodus and dactylus of right pereopod 2, medial view; E. Right pereopod 3, medial view; F. Merus, carpus, propodus and dactylus of right pereopod 3, medial view; G. Right pereopod 4, medial view; H. Right pereopod 5, medial view." figureDoi="10.3897/zse.99.108032.figure4" httpUri="https://binary.pensoft.net/fig/940299" pageId="0" pageNumber="545">4A, B</figureCitation>
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) basis with a ventrodistal simple seta, ventral margin with fine setae; merus lobate dorsodistally, dorsodistal corner with 4 setae, ventral margin with robust setae and fine setae; carpus short with 2 robust setae and fine setae on ventral margin; propodus oval, swollen, length 2.5 times as long as wide, with 2 robust setae on ventral margin and 5 setulate setae close to ventral margin; dactylus length 0.6 times as long as propodus. Pereopod 2 (Fig.
|
|
<figureCitation id="DA3FB205341F91EEDC174DA1DA41F4D6" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 1, medial view; B. Merus, carpus, propodus and dactylus of right pereopod 1, medial view; C. Right pereopod 2, medial view; D. Carpus, propodus and dactylus of right pereopod 2, medial view; E. Right pereopod 3, medial view; F. Merus, carpus, propodus and dactylus of right pereopod 3, medial view; G. Right pereopod 4, medial view; H. Right pereopod 5, medial view." figureDoi="10.3897/zse.99.108032.figure4" httpUri="https://binary.pensoft.net/fig/940299" pageId="0" pageNumber="545">4C, D</figureCitation>
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|
) basis with a ventrodistal simple seta; merus weakly lobate dorsodistally, with 5 setae on dorsodistal corner, ventral margin with fine setae; carpus with 6 robust and 3 slender setae on distal surface, ventral margin with fine setae; propodus subrectangular, not swollen, length 2.8 times as long as wide, with 3 robust setae on ventral margin; dactylus length 0.5 times as long as propodus. Pereopod 3 (Fig.
|
|
<figureCitation id="88831A55A4DF205F4DDF5B624E977FB9" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 1, medial view; B. Merus, carpus, propodus and dactylus of right pereopod 1, medial view; C. Right pereopod 2, medial view; D. Carpus, propodus and dactylus of right pereopod 2, medial view; E. Right pereopod 3, medial view; F. Merus, carpus, propodus and dactylus of right pereopod 3, medial view; G. Right pereopod 4, medial view; H. Right pereopod 5, medial view." figureDoi="10.3897/zse.99.108032.figure4" httpUri="https://binary.pensoft.net/fig/940299" pageId="0" pageNumber="545">4E, F</figureCitation>
|
|
) basis with a ventrodistal simple seta; merus lobate dorsodistally, dorsodistal corner with 6 setae, ventral margin with sparse fine setae; carpus with 5 robust and some slender setae on distal margin, ventral margin with sparse fine setae; propodus length 2.8 times as long as wide, with 2 robust setae and a slender single seta on ventral margin; dactylus length 0.5 times as long as propodus. Pereopod 4 (Fig.
|
|
<figureCitation id="D487A18F3D634563922DEA1C7A9518F5" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 1, medial view; B. Merus, carpus, propodus and dactylus of right pereopod 1, medial view; C. Right pereopod 2, medial view; D. Carpus, propodus and dactylus of right pereopod 2, medial view; E. Right pereopod 3, medial view; F. Merus, carpus, propodus and dactylus of right pereopod 3, medial view; G. Right pereopod 4, medial view; H. Right pereopod 5, medial view." figureDoi="10.3897/zse.99.108032.figure4" httpUri="https://binary.pensoft.net/fig/940299" pageId="0" pageNumber="545">4G</figureCitation>
|
|
) basis with a simple seta on ventrodistal corner and some broom setae on dorsal margin; ischium with fine setae on ventral margin; merus lobate dorsodistally with robust setae, dorsal and ventral margins with fine setae; carpus with sparse fine setae on ventral margin; propodus with 3 robust setae on ventral margin, dorsal and ventral margins with sparse fine setae. Pereopod 5 (Fig.
|
|
<figureCitation id="5A51F1A406E15C321182B02F457F8052" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 1, medial view; B. Merus, carpus, propodus and dactylus of right pereopod 1, medial view; C. Right pereopod 2, medial view; D. Carpus, propodus and dactylus of right pereopod 2, medial view; E. Right pereopod 3, medial view; F. Merus, carpus, propodus and dactylus of right pereopod 3, medial view; G. Right pereopod 4, medial view; H. Right pereopod 5, medial view." figureDoi="10.3897/zse.99.108032.figure4" httpUri="https://binary.pensoft.net/fig/940299" pageId="0" pageNumber="545">4H</figureCitation>
|
|
) basis with a simple seta on dorsodistal corner; merus and carpus with robust setae on distal margins; propodus with 3 robust setae on dorsal margin. Pereopods 6 and 7 (Fig.
|
|
<figureCitation id="72D861E830DE7FE22D7E8CC2801C0013" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 6, medial view; B. Right pereopod 7, medial view; C. Penes, anterior view; D. Right pleopod 1, anterior view; E. Right pleopod 2, anterior view; F. Right pleopod 3, anterior view; G. Right pleopod 4, anterior view; H. Left pleopod 5, posterior view; I. Detail of distal endopod of pleopod 5, posterior view; J. Left uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure5" httpUri="https://binary.pensoft.net/fig/940300" pageId="0" pageNumber="545">5A, B</figureCitation>
|
|
) basis with a simple seta on dorsodistal corner; merus and carpus with robust setae on distal margins; propodus with 2 robust setae on dorsal margin.
|
|
</paragraph>
|
|
<caption id="1227DB3D56FE7E4E76F67FD486BA473F" doi="10.3897/zse.99.108032.figure4" httpUri="https://binary.pensoft.net/fig/940299" pageId="0" pageNumber="545" start="Figure 4" startId="F4">
|
|
<paragraph id="6503F4042242D47A9916485C4BA8CDD7" pageId="0" pageNumber="545">
|
|
<emphasis id="14E9B86720F8DD66810E0D79CFDCF2C0" bold="true" pageId="0" pageNumber="545">Figure 4.</emphasis>
|
|
<taxonomicName id="C9D7C4732A81A68053EB241FDEB49096" authorityName="Tomikawa, Yoshii & Nunomura" authorityYear="2023" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" kingdom="Animalia" lsidName="Gnorimosphaeroma rivulare" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="rivulare">
|
|
<emphasis id="83A801E1C73AD2031A91257F15F11045" italics="true" pageId="0" pageNumber="545">Gnorimosphaeroma rivulare</emphasis>
|
|
</taxonomicName>
|
|
sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485).
|
|
<emphasis id="C3F53975E5D9B1AC525FCD2B2BC97AB8" bold="true" pageId="0" pageNumber="545">A.</emphasis>
|
|
Right pereopod 1, medial view;
|
|
<emphasis id="0B7B967FB93ED59ABB6D7E1E3CA49F1F" bold="true" pageId="0" pageNumber="545">B.</emphasis>
|
|
Merus, carpus, propodus and dactylus of right pereopod 1, medial view;
|
|
<emphasis id="ACD9E560120DC70D519652E0F02CB451" bold="true" pageId="0" pageNumber="545">C.</emphasis>
|
|
Right pereopod 2, medial view;
|
|
<emphasis id="5A2E1768E4BFA9D53D7F57B33B959FC8" bold="true" pageId="0" pageNumber="545">D.</emphasis>
|
|
Carpus, propodus and dactylus of right pereopod 2, medial view;
|
|
<emphasis id="3232BCB9F05192B62E510DDC4311E7E8" bold="true" pageId="0" pageNumber="545">E.</emphasis>
|
|
Right pereopod 3, medial view;
|
|
<emphasis id="E89DDBCC9F400CCA398EF1A76AC1F04B" bold="true" pageId="0" pageNumber="545">F.</emphasis>
|
|
Merus, carpus, propodus and dactylus of right pereopod 3, medial view;
|
|
<emphasis id="E12A98AC7DF7E12351A28B74EBE7ED48" bold="true" pageId="0" pageNumber="545">G.</emphasis>
|
|
Right pereopod 4, medial view;
|
|
<emphasis id="FF1D44EDA0553D72113BBEACF1266E1D" bold="true" pageId="0" pageNumber="545">H.</emphasis>
|
|
Right pereopod 5, medial view.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph id="85639F0B145265BB97AFCAC004EA2066" pageId="0" pageNumber="545">
|
|
Penial process (Fig.
|
|
<figureCitation id="05B89CC08BDDD46CB8E91B882D455ACB" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 6, medial view; B. Right pereopod 7, medial view; C. Penes, anterior view; D. Right pleopod 1, anterior view; E. Right pleopod 2, anterior view; F. Right pleopod 3, anterior view; G. Right pleopod 4, anterior view; H. Left pleopod 5, posterior view; I. Detail of distal endopod of pleopod 5, posterior view; J. Left uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure5" httpUri="https://binary.pensoft.net/fig/940300" pageId="0" pageNumber="545">5C</figureCitation>
|
|
) simple, length 3.5-4.2 times as long as basal width, close set.
|
|
</paragraph>
|
|
<caption id="C0A926AF8F225F3D26DC946D604A070E" doi="10.3897/zse.99.108032.figure5" httpUri="https://binary.pensoft.net/fig/940300" pageId="0" pageNumber="545" start="Figure 5" startId="F5">
|
|
<paragraph id="076A196ABC740B51D19E979968C91017" pageId="0" pageNumber="545">
|
|
<emphasis id="F77B8AD01FDFB766D61FF97E098196C6" bold="true" pageId="0" pageNumber="545">Figure 5.</emphasis>
|
|
<taxonomicName id="A5BAD0F75F50951411A25341098FC219" authorityName="Tomikawa, Yoshii & Nunomura" authorityYear="2023" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" kingdom="Animalia" lsidName="Gnorimosphaeroma rivulare" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="rivulare">
|
|
<emphasis id="E1B92D78B77190C8017C649FA6EFB257" italics="true" pageId="0" pageNumber="545">Gnorimosphaeroma rivulare</emphasis>
|
|
</taxonomicName>
|
|
sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485).
|
|
<emphasis id="C3A2E7CBAECB8D989E7421792996C1D4" bold="true" pageId="0" pageNumber="545">A.</emphasis>
|
|
Right pereopod 6, medial view;
|
|
<emphasis id="F39FD8A723D24D4872C8FE3A92DBBBEC" bold="true" pageId="0" pageNumber="545">B.</emphasis>
|
|
Right pereopod 7, medial view;
|
|
<emphasis id="20AAED251D503A76C67221711DAD2CC5" bold="true" pageId="0" pageNumber="545">C.</emphasis>
|
|
Penes, anterior view;
|
|
<emphasis id="DC31ACAFD35A4C5AFEBAAA8789A3C000" bold="true" pageId="0" pageNumber="545">D.</emphasis>
|
|
Right pleopod 1, anterior view;
|
|
<emphasis id="212A6A3BBFA89694CCE686EDB7B8A27E" bold="true" pageId="0" pageNumber="545">E.</emphasis>
|
|
Right pleopod 2, anterior view;
|
|
<emphasis id="B2E45E09BB6FE1EDBC2C6A0C4D021BD7" bold="true" pageId="0" pageNumber="545">F.</emphasis>
|
|
Right pleopod 3, anterior view;
|
|
<emphasis id="807505DF2982CAB446841AC5AB8EAF12" bold="true" pageId="0" pageNumber="545">G.</emphasis>
|
|
Right pleopod 4, anterior view;
|
|
<emphasis id="4CDEA631CE9CC4D950A0DE94D08DD945" bold="true" pageId="0" pageNumber="545">H.</emphasis>
|
|
Left pleopod 5, posterior view;
|
|
<emphasis id="FE5DDBF486199CFAF397F3B1B70EF016" bold="true" pageId="0" pageNumber="545">I.</emphasis>
|
|
Detail of distal endopod of pleopod 5, posterior view;
|
|
<emphasis id="217EAC16D577ECF708F41CCBB6DF3539" bold="true" pageId="0" pageNumber="545">J.</emphasis>
|
|
Left uropod, dorsal view.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph id="5ECD62D37D6D81D6043B3A38F769EF57" pageId="0" pageNumber="545">
|
|
Pleopod 1 (Fig.
|
|
<figureCitation id="DC54E2668B75DFFF4315CDB376983C14" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 6, medial view; B. Right pereopod 7, medial view; C. Penes, anterior view; D. Right pleopod 1, anterior view; E. Right pleopod 2, anterior view; F. Right pleopod 3, anterior view; G. Right pleopod 4, anterior view; H. Left pleopod 5, posterior view; I. Detail of distal endopod of pleopod 5, posterior view; J. Left uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure5" httpUri="https://binary.pensoft.net/fig/940300" pageId="0" pageNumber="545">5D</figureCitation>
|
|
) peduncle length 0.5 times width with 4 setae on mediodistal corner; exopod oval, length 1.9 times width, 1.2 times length of endopod, with plumose setae marginally; endopod subtriangular, length 1.4 times width, with distal plumose setae. Pleopod 2 (Fig.
|
|
<figureCitation id="C646B5C61B00EA1823BB0EFA541E5A07" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 6, medial view; B. Right pereopod 7, medial view; C. Penes, anterior view; D. Right pleopod 1, anterior view; E. Right pleopod 2, anterior view; F. Right pleopod 3, anterior view; G. Right pleopod 4, anterior view; H. Left pleopod 5, posterior view; I. Detail of distal endopod of pleopod 5, posterior view; J. Left uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure5" httpUri="https://binary.pensoft.net/fig/940300" pageId="0" pageNumber="545">5E</figureCitation>
|
|
) peduncle length 0.4 times width, mediodistal and laterodistal corners with 2 and 1 setae, respectively; exopod oval, length 1.8 times width, with marginal plumose setae; endopod subtriangular, length 1.6 times width, with plumose setae on distal margin; appendix masculina slender, length 6.0 times width, 1.2 times as long as endopod. Pleopod 3 (Fig.
|
|
<figureCitation id="846A5974E9CF2E16DF4CE8F909A95CEA" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 6, medial view; B. Right pereopod 7, medial view; C. Penes, anterior view; D. Right pleopod 1, anterior view; E. Right pleopod 2, anterior view; F. Right pleopod 3, anterior view; G. Right pleopod 4, anterior view; H. Left pleopod 5, posterior view; I. Detail of distal endopod of pleopod 5, posterior view; J. Left uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure5" httpUri="https://binary.pensoft.net/fig/940300" pageId="0" pageNumber="545">5F</figureCitation>
|
|
) peduncle length 0.4 times width, mediodistal and laterodistal corners with 2 and 1 setae, respectively; exopod oval, length 1.9 times width, with transverse suture, bearing plumose setae marginally; endopod slightly shorter than exopod with plumose setae on distal margin. Pleopod 4 (Fig.
|
|
<figureCitation id="7444B1911F1583395C1BD046F8D09957" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 6, medial view; B. Right pereopod 7, medial view; C. Penes, anterior view; D. Right pleopod 1, anterior view; E. Right pleopod 2, anterior view; F. Right pleopod 3, anterior view; G. Right pleopod 4, anterior view; H. Left pleopod 5, posterior view; I. Detail of distal endopod of pleopod 5, posterior view; J. Left uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure5" httpUri="https://binary.pensoft.net/fig/940300" pageId="0" pageNumber="545">5G</figureCitation>
|
|
) peduncle small, length 0.5 times width, laterodistal corner with a single seta; exopod length 1.8 times width with transverse suture, bearing 4 plumose setae and simple setae marginally; endopod oval, length 1.4 times width, marginally bare. Pleopod 5 (Fig.
|
|
<figureCitation id="59FC91AE29627314EA3AE51A3FE298BF" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 6, medial view; B. Right pereopod 7, medial view; C. Penes, anterior view; D. Right pleopod 1, anterior view; E. Right pleopod 2, anterior view; F. Right pleopod 3, anterior view; G. Right pleopod 4, anterior view; H. Left pleopod 5, posterior view; I. Detail of distal endopod of pleopod 5, posterior view; J. Left uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure5" httpUri="https://binary.pensoft.net/fig/940300" pageId="0" pageNumber="545">5H, I</figureCitation>
|
|
) peduncle with 2 setae on mediodistal corner; exopod length 1.6 times width transverse suture, bearing lateral and distal scale patches, lateral margin with simple setae; endopod oval, length 0.7 times as long as exopod, marginally bare.
|
|
</paragraph>
|
|
<paragraph id="1C86901B637B5ED922B93C1016CC1192" pageId="0" pageNumber="545">
|
|
Uropod (Figs
|
|
<figureCitation id="CB921BAB449B717DF06B7A5A0DC032B1" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gnorimosphaeroma rivulare sp. nov. A-F, H, J-M. Holotype, male 4.9 mm (NSMT-Cr 31485); G, I. Paratype, male 5.3 mm (NSMT-Cr 31486). A. Habitus, dorsal view; B. Antennula, medial view; C. Antenna, medial view; D. Labrum, dorsal view; E. Right mandible, medial view; F. Incisor and setal row of right mandible, medial view; G. Incisor of right mandible, lateral view; H. Incisor, lacinia mobilis and setal row of left mandible, medial view; I. Incisor and lacinia mobilis of left mandible, medial view; J. Paragnaths, posterior view; K. Maxillula, anterior view; L. Maxilla, anterior view; M. Maxilliped, anterior view." figureDoi="10.3897/zse.99.108032.figure3" httpUri="https://binary.pensoft.net/fig/940298" pageId="0" pageNumber="545">3A</figureCitation>
|
|
,
|
|
<figureCitation id="6038F0203CD136761F1E2B2D675F8C9E" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Gnorimosphaeroma rivulare sp. nov., holotype, male 4.9 mm (NSMT-Cr 31485). A. Right pereopod 6, medial view; B. Right pereopod 7, medial view; C. Penes, anterior view; D. Right pleopod 1, anterior view; E. Right pleopod 2, anterior view; F. Right pleopod 3, anterior view; G. Right pleopod 4, anterior view; H. Left pleopod 5, posterior view; I. Detail of distal endopod of pleopod 5, posterior view; J. Left uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure5" httpUri="https://binary.pensoft.net/fig/940300" pageId="0" pageNumber="545">5J</figureCitation>
|
|
,
|
|
<figureCitation id="237A92C8025E1C2BAC9C559370810618" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM photographs of G. rivulare sp. nov., paratype, male 5.2 mm (NSMT-Cr 31507). A. Habitus, lateral view; B. Pleon and pleotelson, dorsal view." figureDoi="10.3897/zse.99.108032.figure7" httpUri="https://binary.pensoft.net/fig/940302" pageId="0" pageNumber="545">7B</figureCitation>
|
|
) not quite extending to posterior margin of pleotelson; peduncle rectangular, length 0.6 times width; exopod length 3.5 times width, 0.7 times as long as endopod, with fine sparse setae; endopod length 2.5 times width with fine setae.
|
|
</paragraph>
|
|
<paragraph id="280075F80159404C7CEBE2EE27EC94FB" pageId="0" pageNumber="545">
|
|
<emphasis id="CEADBF5FD2F8A3B0019457D3C081E7A2" bold="true" pageId="0" pageNumber="545">Female</emphasis>
|
|
[NSMT-Cr 31488, paratype, 3.2 mm]. Body shape similar to that of male. Body length 1.7 times width.
|
|
</paragraph>
|
|
<paragraph id="DFF5727B1E434A74D9EF3A0988C7C62F" pageId="0" pageNumber="545">
|
|
Pereopod 1 (Fig.
|
|
<figureCitation id="5E11ED8E0811DC6B70B53FD48AD0B656" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma rivulare sp. nov., paratype, female 3.2 mm (NSMT-Cr 31488). A, B. Merus, carpus, propodus and dactylus of right pereopods 1 and 2, medial views; C, D. Right pleopods 1 and 2, anterior views; E. Right uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure6" httpUri="https://binary.pensoft.net/fig/940301" pageId="0" pageNumber="545">6A</figureCitation>
|
|
) propodus subrectangular, length 2.6 times as long as wide. Pereopod 2 (Fig.
|
|
<figureCitation id="D6743CEE648A112F21600DD8C7D557AD" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma rivulare sp. nov., paratype, female 3.2 mm (NSMT-Cr 31488). A, B. Merus, carpus, propodus and dactylus of right pereopods 1 and 2, medial views; C, D. Right pleopods 1 and 2, anterior views; E. Right uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure6" httpUri="https://binary.pensoft.net/fig/940301" pageId="0" pageNumber="545">6B</figureCitation>
|
|
) propodus subrectangular, length 3.1 times as long as wide, with 2 robust setae on posterior margin.
|
|
</paragraph>
|
|
<caption id="3EDA2D0C7648056BE533C4ED6FEA672A" doi="10.3897/zse.99.108032.figure6" httpUri="https://binary.pensoft.net/fig/940301" pageId="0" pageNumber="545" start="Figure 6" startId="F6">
|
|
<paragraph id="A324C58F30A5924D7E1ADA404B190193" pageId="0" pageNumber="545">
|
|
<emphasis id="890732AEA2019F5AB36F15D69EC26902" bold="true" pageId="0" pageNumber="545">Figure 6.</emphasis>
|
|
<taxonomicName id="8AF125C776BED9D4325D9851CA561B7C" authorityName="Tomikawa, Yoshii & Nunomura" authorityYear="2023" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" kingdom="Animalia" lsidName="Gnorimosphaeroma rivulare" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="rivulare">
|
|
<emphasis id="9925621D7D94F87806A0DBF675F3C768" italics="true" pageId="0" pageNumber="545">Gnorimosphaeroma rivulare</emphasis>
|
|
</taxonomicName>
|
|
sp. nov., paratype, female 3.2 mm (NSMT-Cr 31488).
|
|
<emphasis id="1A78EC27910334E1586E48EC49582E6C" bold="true" pageId="0" pageNumber="545">A, B.</emphasis>
|
|
Merus, carpus, propodus and dactylus of right pereopods 1 and 2, medial views;
|
|
<emphasis id="FC82B5624B678074AFD3C75F677822E8" bold="true" pageId="0" pageNumber="545">C, D.</emphasis>
|
|
Right pleopods 1 and 2, anterior views;
|
|
<emphasis id="BDADE079005179092BFE0F836E1C0B7A" bold="true" pageId="0" pageNumber="545">E.</emphasis>
|
|
Right uropod, dorsal view.
|
|
</paragraph>
|
|
</caption>
|
|
<caption id="6C9BD22FABDB1D71AE86C97BFA4FF29F" doi="10.3897/zse.99.108032.figure7" httpUri="https://binary.pensoft.net/fig/940302" pageId="0" pageNumber="545" start="Figure 7" startId="F7">
|
|
<paragraph id="4C73EC353A4515EF7EA59E818A3C6CDF" pageId="0" pageNumber="545">
|
|
<emphasis id="439CB3BDB282BDD1DA05114F4204925E" bold="true" pageId="0" pageNumber="545">Figure 7.</emphasis>
|
|
SEM photographs of
|
|
<taxonomicName id="A8EB11A932C8EC1379B41DA4FD8356F5" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="G. rivulare" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="rivulare">
|
|
<emphasis id="49DD4897DFBAB920A4F2BB1A1266D7A8" italics="true" pageId="0" pageNumber="545">G. rivulare</emphasis>
|
|
</taxonomicName>
|
|
sp. nov., paratype, male 5.2 mm (NSMT-Cr 31507).
|
|
<emphasis id="FCF73F64DB626A2588B43DB12C017545" bold="true" pageId="0" pageNumber="545">A.</emphasis>
|
|
Habitus, lateral view;
|
|
<emphasis id="11898603F74C9375648D573337918418" bold="true" pageId="0" pageNumber="545">B.</emphasis>
|
|
Pleon and pleotelson, dorsal view.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph id="39A34E1437D8A6E06A05B46C0CA2BA73" pageId="0" pageNumber="545">
|
|
Pleopod 1 (Fig.
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<figureCitation id="A07858A84770BC6DCA321A172EB89DDB" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma rivulare sp. nov., paratype, female 3.2 mm (NSMT-Cr 31488). A, B. Merus, carpus, propodus and dactylus of right pereopods 1 and 2, medial views; C, D. Right pleopods 1 and 2, anterior views; E. Right uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure6" httpUri="https://binary.pensoft.net/fig/940301" pageId="0" pageNumber="545">6C</figureCitation>
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) peduncle length 0.5 times width with 3 setae on mediodistal corner; exopod oval, length 1.6 times width, 1.2 times length of endopod; endopod subtriangular, length 1.5 times width. Pleopod 2 (Fig.
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<figureCitation id="45ACA795CE7CFE8A9A9744B5F4B41504" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma rivulare sp. nov., paratype, female 3.2 mm (NSMT-Cr 31488). A, B. Merus, carpus, propodus and dactylus of right pereopods 1 and 2, medial views; C, D. Right pleopods 1 and 2, anterior views; E. Right uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure6" httpUri="https://binary.pensoft.net/fig/940301" pageId="0" pageNumber="545">6D</figureCitation>
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) peduncle length 0.4 times width, mediodistal and laterodistal corners with 2 and 1 setae, respectively; exopod oval, length 1.8 times width; endopod subtriangular, length 1.6 times width.
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</paragraph>
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<paragraph id="865570FCE4A7DFC9D8E446CA851DFA21" pageId="0" pageNumber="545">
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Uropod (Fig.
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<figureCitation id="216F697A93602A2685A58D2D08D062A4" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gnorimosphaeroma rivulare sp. nov., paratype, female 3.2 mm (NSMT-Cr 31488). A, B. Merus, carpus, propodus and dactylus of right pereopods 1 and 2, medial views; C, D. Right pleopods 1 and 2, anterior views; E. Right uropod, dorsal view." figureDoi="10.3897/zse.99.108032.figure6" httpUri="https://binary.pensoft.net/fig/940301" pageId="0" pageNumber="545">6E</figureCitation>
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) peduncle rectangular, length 0.6 times width; exopod length 3.0 times width, 0.7 times as long as endopod; endopod length 2.6 times width.
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</paragraph>
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</subSubSection>
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<subSubSection id="7E64841935F8606624B75DFEF5A6D38D" pageId="0" pageNumber="545" type="variation">
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<paragraph id="6E866C28E023B1534874E02532DC94B3" pageId="0" pageNumber="545">Variation.</paragraph>
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<paragraph id="1CA58A7E97B92BDEAAEADA66816478B4" pageId="0" pageNumber="545">Mandible left incisor of paratype male (NSMT-Cr 31486) with 4 cusps.</paragraph>
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</subSubSection>
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<subSubSection id="60195CE01AFBFA78BE8562760258BA7B" pageId="0" pageNumber="545" type="etymology">
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<paragraph id="32F0438320C12B278E0EA598EE2E0471" pageId="0" pageNumber="545">Etymology.</paragraph>
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<paragraph id="9D0FADDF7C4AF11C39E6CDAD8F8150E5" pageId="0" pageNumber="545">
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The specific name
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<emphasis id="007EBD5E529E5BE75ECBC6C25C7A1630" italics="true" pageId="0" pageNumber="545">rivulare</emphasis>
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is derived from a Latin adjective
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<emphasis id="5528098B9BB3377438AC52859A2C1C9C" italics="true" pageId="0" pageNumber="545">rivularis</emphasis>
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, which means brook living, referring to the habitat of the new species.
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</paragraph>
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</subSubSection>
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<subSubSection id="8CCE2EC57DC9277E6246682F4D7E6F28" pageId="0" pageNumber="545" type="distribution">
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<paragraph id="09F335BBADB11826A89058C05D68139E" pageId="0" pageNumber="545">Distribution and habitat.</paragraph>
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<paragraph id="CEF5AF16E2E5CCC4873590ACB2999993" pageId="0" pageNumber="545">This species is known only from the type locality. The specimens were collected from beneath the cobbles in an upper stream of Nagatani River.</paragraph>
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</subSubSection>
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<subSubSection id="CCB294159AB8AD4089AA194AD0E41B51" pageId="0" pageNumber="545" type="remarks">
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<paragraph id="82509A20D9FAF172FA8C2DAEDEF4FECA" pageId="0" pageNumber="545">Remarks.</paragraph>
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<paragraph id="F21DAC7458D4F160015D4FB4511F9FFA" pageId="0" pageNumber="545">
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<taxonomicName id="7D046E7130D0B0152E578003E74F4AB4" authorityName="Tomikawa, Yoshii & Nunomura" authorityYear="2023" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" kingdom="Animalia" lsidName="Gnorimosphaeroma rivulare" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="rivulare">
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<emphasis id="C995AC7A88BDB0508CD64B6274761168" italics="true" pageId="0" pageNumber="545">Gnorimosphaeroma rivulare</emphasis>
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</taxonomicName>
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sp. nov. is morphologically similar to
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<taxonomicName id="FD3EE6E086C884C90999A1D8F00367D3" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="G. boninense" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="boninense">
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<emphasis id="62BC7B7D5F2A56A65EE08BEE609227AF" italics="true" pageId="0" pageNumber="545">G. boninense</emphasis>
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</taxonomicName>
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Nunomura, 2006,
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<taxonomicName id="B4F9BBEB72E9D65C6C21857091F15CE3" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="G. naktongense" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="naktongense">
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<emphasis id="A2FE91DDC534E4718C89117B8D8CB2CA" italics="true" pageId="0" pageNumber="545">G. naktongense</emphasis>
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</taxonomicName>
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Kwon & Kim, 1987, and
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|
<taxonomicName id="44E7355DB767B87925328B927BF7A263" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="G. saijoense" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="saijoense">
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<emphasis id="E78B30EB481DF62E4790A2B385720361" italics="true" pageId="0" pageNumber="545">G. saijoense</emphasis>
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</taxonomicName>
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Nunomura, 2013 in having anterior suture line longer than posterior one, maxilla middle and lateral lobes each with more than 10 setae, pereopod 1 basis with a simple seta on ventrodistal corner, pereopod 1 merus with 4 setae on dorsodistal corner, and uropodal exopod twice as long as endopod. However,
|
|
<taxonomicName id="E876424161D5B70C1C6132B709717D46" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="G. rivulare" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="rivulare">
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|
<emphasis id="798CE63A8E8DB07DCFBDA01672176F53" italics="true" pageId="0" pageNumber="545">G. rivulare</emphasis>
|
|
</taxonomicName>
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|
sp. nov. differs from these three species by the following features (features of the species that are being compared are in parentheses): from
|
|
<taxonomicName id="50711BD5CB9672C1F456AFAB97CD9A22" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="G. boninense" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="boninense">
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|
<emphasis id="7E89F15FC4CDBD68C763CB57DA5F999A" italics="true" pageId="0" pageNumber="545">G. boninense</emphasis>
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|
</taxonomicName>
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|
, pleotelson posterior margin rounded (almost straight), pereopod 3 carpus and propodus sparsely setulose (densely setulose), pereopod 2 propodus subrectangular (subtriangular), and pleopod 3 exopod almost same size as endopod (smaller than endopod); from
|
|
<taxonomicName id="76A3ED8CBB4F4A97368FDB230D1A8558" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="G. naktongense" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="naktongense">
|
|
<emphasis id="C1C70EAA09EFB6AFF0E2C3B47094F73A" italics="true" pageId="0" pageNumber="545">G. naktongense</emphasis>
|
|
</taxonomicName>
|
|
, antennule peduncular article 3 not elongate, length 1.3 times as long as article 2 (elongate, 1.7 times as long as article 2), pereopod 2 propodus ventral margin straight (weakly expanded), and pleopod 5 endopod length 0.7 (0.9) times as long as exopod; from
|
|
<taxonomicName id="EA7A01FF275A92638823F4580F9A803A" class="Malacostraca" family="Sphaeromatidae" genus="Gnorimosphaeroma" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="G. saijoense" order="Isopoda" pageId="0" pageNumber="545" phylum="Arthropoda" rank="species" species="saijoense">
|
|
<emphasis id="D6AD26DC5E087D0DD52AB75171BA1127" italics="true" pageId="0" pageNumber="545">G. saijoense</emphasis>
|
|
</taxonomicName>
|
|
, maxillula medial lobe with 4 (5) plumose setae, maxilliped palp articles 2 and 3 each with 3 (1) setae on laterodistal corner, pereopod 2 propodus ventral margin straight (weakly expanded), pereopod 3 merus, carpus, and propodus sparsely setulose (densely setulose).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |