112 lines
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112 lines
14 KiB
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<document id="499135B30124E29BD78D73AF81492781" ID-CLB-Dataset="27935" ID-DOI="10.11646/zootaxa.4524.1.5" ID-GBIF-Dataset="a42793f8-373b-4a16-8e42-c7571a931861" ID-ISSN="1175-5326" ID-Zenodo-Dep="2610351" ID-ZooBank="C25BE702-567D-4C6C-A8AC-91E66CC75F4C" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1553625058302" checkinUser="plazi" docAuthor="Baba, Keiji, Ahyong, Shane T. & Schnabel, Kareen E." docDate="2018" docId="4E6AAA514E00B957FF36FEDCFEED2859" docLanguage="en" docName="zootaxa.4524.1.5.pdf" docOrigin="Zootaxa 4524 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Sternostylidae Baba, Ahyong & Schnabel 2018" docType="treatment" docVersion="7" lastPageNumber="81" masterDocId="B253D2294E04B953FFA1FFACFFCE2C22" masterDocTitle="Rediagnosis of the squat lobster genus Gastroptychus Caullery, 1896, with a new genus Sternostylus and a new family Sternostylidae (Crustacea: Decapoda: Anomura: Chirostyloidea)" masterLastPageNumber="86" masterPageNumber="77" pageNumber="81" updateTime="1698713960132" updateUser="ExternalLinkService">
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<mods:title id="8EADFE75144497691BEA5D832A4EB059">Rediagnosis of the squat lobster genus Gastroptychus Caullery, 1896, with a new genus Sternostylus and a new family Sternostylidae (Crustacea: Decapoda: Anomura: Chirostyloidea)</mods:title>
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<mods:namePart id="7EE407958F267BF45866720651F451D8">Baba, Keiji</mods:namePart>
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<mods:namePart id="0B5934F6B342DE926400E9BD371E77D9">Ahyong, Shane T.</mods:namePart>
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<mods:namePart id="EBD361F7584094582D3053AA024A2B30">Schnabel, Kareen E.</mods:namePart>
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<mods:title id="749A050B4C114769F428A5E64E6736CD">Zootaxa</mods:title>
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<mods:part id="AC1AAB7C62343C370CEFBD567866A199">
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<mods:date id="054C660194DBC845977E3ACAE49C39C8">2018</mods:date>
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<mods:number id="03EB01D75766FAE6E4E5CFE8BAEEB8D1">2018-11-20</mods:number>
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<mods:number id="CF626A85902694C7E9BCB1BC608FC2A3">4524</mods:number>
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<treatment id="4E6AAA514E00B957FF36FEDCFEED2859" ID-DOI="http://doi.org/10.5281/zenodo.5988751" ID-GBIF-Taxon="154499454" ID-Zenodo-Dep="5988751" LSID="urn:lsid:plazi:treatment:4E6AAA514E00B957FF36FEDCFEED2859" httpUri="http://treatment.plazi.org/id/4E6AAA514E00B957FF36FEDCFEED2859" lastPageNumber="81" pageId="4" pageNumber="81">
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<subSubSection id="8ED948CC4E00B957FF36FEDCFE142DA8" box="[151,474,368,394]" pageId="4" pageNumber="81" type="nomenclature">
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<paragraph id="C67C1B474E00B957FF36FEDCFE142DA8" blockId="4.[151,474,368,394]" box="[151,474,368,394]" pageId="4" pageNumber="81">
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<heading id="9D34AC2B4E00B957FF36FEDCFE142DA8" bold="true" box="[151,474,368,394]" fontSize="11" level="1" pageId="4" pageNumber="81" reason="1">
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<emphasis id="F4B7C7554E00B957FF36FEDCFE142DA8" bold="true" box="[151,474,368,394]" pageId="4" pageNumber="81">
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<taxonomicName id="01C360C44E00B957FF36FEDCFE872DA8" ID-CoL="6d6c333f-8fdf-48e0-880c-5a96c2be2d3a" authorityName="Baba, Ahyong & Schnabel" authorityYear="2018" box="[151,329,368,394]" class="Malacostraca" family="Sternostylidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="81" phylum="Arthropoda" rank="family">Sternostylidae</taxonomicName>
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new family
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="8ED948CC4E00B957FF36FE1AFBA62ECC" pageId="4" pageNumber="81" type="diagnosis">
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<paragraph id="C67C1B474E00B957FF36FE1AFBA62ECC" blockId="4.[151,1437,438,1147]" pageId="4" pageNumber="81">
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<emphasis id="F4B7C7554E00B957FF36FE1AFEC42DED" bold="true" box="[151,266,438,463]" pageId="4" pageNumber="81">Diagnosis</emphasis>
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. Carapace spinose, without transverse striae. Rostrum spiniform, supraocular spines absent. Sternite 3 confluent with sternites 1 and 2, without abrupt transverse step or demarcation at maxilliped 3 articulations; anteromedially produced and sloping anterodorsally, with pair of spines directly behind anterior margin. Sternal plastron concavely constricted between sternites 4–5 (often hourglass-shaped). Pleuron of abdominal somite 2 without anterolateral spine. Tailfan folded beneath preceding abdominal somite; telson divided into anterior and posterior lobes. Eyes well developed. Antennal acicle present or absent. Maxilliped 1 without epipod. Maxillipeds 3 close to each other. Pereopods 2–4 dactyli ending in fixed, corneous unguis, demarcation between unguis and remaining dactylus diffuse, ill-defined. Maxilliped 3 to pereopod 4 each with 2 arthrobranchs; pereopod 5 with 1 arthrobranch; pereopods 2–4 each with 1 pleurobranch. Male pleopods 1 and 2 present.
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</paragraph>
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</subSubSection>
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<subSubSection id="8ED948CC4E00B957FF66FD56FDA22F30" box="[199,620,762,787]" pageId="4" pageNumber="81" type="materials_examined">
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<paragraph id="C67C1B474E00B957FF66FD56FDA22F30" blockId="4.[151,1437,438,1147]" box="[199,620,762,787]" pageId="4" pageNumber="81">
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<emphasis id="F4B7C7554E00B957FF66FD56FE822F31" bold="true" box="[199,332,762,787]" pageId="4" pageNumber="81">
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<typeStatus id="1978A5E54E00B957FF66FD56FECC2F31" box="[199,258,762,787]" pageId="4" pageNumber="81">Type</typeStatus>
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genus
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</emphasis>
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.
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<taxonomicName id="01C360C44E00B957FEFAFD56FE2D2F31" authority="Baba & Ahyong & Schnabel, 2018" authorityName="Baba & Ahyong & Schnabel" authorityYear="2018" box="[347,483,762,787]" class="Malacostraca" family="Sternostylidae" genus="Sternostylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="81" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="F4B7C7554E00B957FEFAFD56FE2D2F31" box="[347,483,762,787]" italics="true" pageId="4" pageNumber="81">Sternostylus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="EF847A2E4E00B957FE4BFD56FDAB2F31" box="[490,613,762,787]" pageId="4" pageNumber="81" rank="genus">
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<emphasis id="F4B7C7554E00B957FE4BFD56FDAB2F31" bold="true" box="[490,613,762,787]" pageId="4" pageNumber="81">new genus</emphasis>
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</taxonomicNameLabel>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="8ED948CC4E00B957FF66FCB2FEED2859" pageId="4" pageNumber="81" type="discussion">
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<paragraph id="C67C1B474E00B957FF66FCB2FEED2859" blockId="4.[151,1437,438,1147]" pageId="4" pageNumber="81">
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<emphasis id="F4B7C7554E00B957FF66FCB2FEFA2F15" bold="true" box="[199,308,798,823]" pageId="4" pageNumber="81">Remarks</emphasis>
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. Three major features, namely sternite 3 being anteromedially produced and evenly sloping anterodorsally with a pair of spines directly behind the anterior margin (
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<figureCitation id="5EF807C24E00B957FC6DFCEEFBE92F79" box="[972,1063,834,859]" captionStart="FIGURE 2" captionStartId="5.[151,249,1751,1773]" captionTargetBox="[181,1406,204,1634]" captionTargetId="figure@5.[151,1436,193,1729]" captionTargetPageId="5" captionText="FIGURE 2. Anterior part of sternal plastron, with left and right maxillipeds 3, and left and right pereopod 1 coxae; maxillipeds 1 and 2 omitted. A, Sternostylus formosus (Filhol, 1884) n. comb., syntype, male, CL 16.7 mm, MNHN IU-2015-11878. B, Kiwa hirsuta Macpherson, Jones & Segonzac, 2005, holotype male, CL 51.5 mm, MNHN IU-2010-1683 (Ga 5310). C, Eumunida similior Baba, 1990, holotype, male, CL 33.1 mm, MNHN IU-2011-5516 (Ga 729). D, Pseudomunida fragilis Haig, 1979, female, CL 11.2 mm, NIWA 24583. Scales = 1 mm." httpUri="https://zenodo.org/record/2610353/files/figure.png" pageId="4" pageNumber="81">Fig. 2A</figureCitation>
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), the left and right maxillipeds 3 placed adjacent to each other (
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<figureCitation id="5EF807C24E00B957FE4EFCCAFD842F5D" box="[495,586,870,895]" captionStart="FIGURE 2" captionStartId="5.[151,249,1751,1773]" captionTargetBox="[181,1406,204,1634]" captionTargetId="figure@5.[151,1436,193,1729]" captionTargetPageId="5" captionText="FIGURE 2. Anterior part of sternal plastron, with left and right maxillipeds 3, and left and right pereopod 1 coxae; maxillipeds 1 and 2 omitted. A, Sternostylus formosus (Filhol, 1884) n. comb., syntype, male, CL 16.7 mm, MNHN IU-2015-11878. B, Kiwa hirsuta Macpherson, Jones & Segonzac, 2005, holotype male, CL 51.5 mm, MNHN IU-2010-1683 (Ga 5310). C, Eumunida similior Baba, 1990, holotype, male, CL 33.1 mm, MNHN IU-2011-5516 (Ga 729). D, Pseudomunida fragilis Haig, 1979, female, CL 11.2 mm, NIWA 24583. Scales = 1 mm." httpUri="https://zenodo.org/record/2610353/files/figure.png" pageId="4" pageNumber="81">Fig. 2A</figureCitation>
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), and the dactyli of the pereopods 2–4 ending in an indistinctly demarcated corneous spine, separate
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<taxonomicName id="01C360C44E00B957FE13FC26FD9C2F81" authorityName="Baba, Ahyong & Schnabel" authorityYear="2018" box="[434,594,906,931]" class="Malacostraca" family="Sternostylidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="81" phylum="Arthropoda" rank="family">Sternostylidae</taxonomicName>
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from members of
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<taxonomicName id="01C360C44E00B957FC86FC26FC0C2F81" authorityName="Ortmann" authorityYear="1892" box="[807,962,906,931]" class="Malacostraca" family="Chirostylidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="81" phylum="Arthropoda" rank="family">Chirostylidae</taxonomicName>
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. The last mentioned characer is shared by the
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<taxonomicName id="01C360C44E00B957FF69FC02FEFD2FE5" box="[200,307,942,967]" class="Malacostraca" family="Kiwaidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="81" phylum="Arthropoda" rank="family">Kiwaidae</taxonomicName>
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and
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<taxonomicName id="01C360C44E00B957FED8FC02FDC02FE5" box="[377,526,942,967]" class="Malacostraca" family="Eumunididae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="81" phylum="Arthropoda" rank="family">Eumunididae</taxonomicName>
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and with most other Anomura, and is most parsimoniously interpreted as plesiomorphic. In members of the
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<taxonomicName id="01C360C44E00B957FD85FC7EFD5C2FC9" box="[548,658,978,1003]" class="Malacostraca" family="Kiwaidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="81" phylum="Arthropoda" rank="family">Kiwaidae</taxonomicName>
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, sternite 3 is strongly produced and sharply triangular, covering the mesial parts of closely adjacent bases of maxillipeds 3, whereas in
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<taxonomicName id="01C360C44E00B957FC21FC5AFBD6282D" box="[896,1048,1014,1039]" class="Malacostraca" family="Eumunididae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="81" phylum="Arthropoda" rank="family">Eumunididae</taxonomicName>
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, the anterior margin of sternite 3 is bifurcated and produced anteriorly, with the bases of maxillipeds 3 moderately separated rather than adjacent or appressed (
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<figureCitation id="5EF807C24E00B957FEB4FB92FE972875" box="[277,345,1086,1111]" captionStart="FIGURE 2" captionStartId="5.[151,249,1751,1773]" captionTargetBox="[181,1406,204,1634]" captionTargetId="figure@5.[151,1436,193,1729]" captionTargetPageId="5" captionText="FIGURE 2. Anterior part of sternal plastron, with left and right maxillipeds 3, and left and right pereopod 1 coxae; maxillipeds 1 and 2 omitted. A, Sternostylus formosus (Filhol, 1884) n. comb., syntype, male, CL 16.7 mm, MNHN IU-2015-11878. B, Kiwa hirsuta Macpherson, Jones & Segonzac, 2005, holotype male, CL 51.5 mm, MNHN IU-2010-1683 (Ga 5310). C, Eumunida similior Baba, 1990, holotype, male, CL 33.1 mm, MNHN IU-2011-5516 (Ga 729). D, Pseudomunida fragilis Haig, 1979, female, CL 11.2 mm, NIWA 24583. Scales = 1 mm." httpUri="https://zenodo.org/record/2610353/files/figure.png" pageId="4" pageNumber="81">Fig. 2</figureCitation>
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B–D). Relationships among the four families within the Chirostyloidea are discussed below (see Discussion).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |