151 lines
18 KiB
XML
151 lines
18 KiB
XML
<document id="D0971B5AED8F4719B0896EFC52009E07" ID-CLB-Dataset="30567" ID-DOI="10.11646/zootaxa.4392.2.1" ID-GBIF-Dataset="8a2f683f-55cb-4e52-8df6-512dd102adfa" ID-ISSN="1175-5326" ID-Zenodo-Dep="1195302" ID-ZooBank="70AE1E81-9C00-484A-97D3-EF72F409C14E" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1520682002353" checkinUser="plazi" docAuthor="D'Acoz, Cédric D'Udekem & Degrave, Sammy" docDate="2018" docId="03AE87808E02FF82FF6AEB14FD35BCF6" docLanguage="en" docName="zootaxa.43922.2.1.pdf" docOrigin="Zootaxa 4392 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Fresnerhynchus D'Acoz & Degrave 2018, gen. nov." docType="treatment" docVersion="9" lastPageNumber="206" masterDocId="FF97FFF88E06FF87FFFDED55FFF2B81E" masterDocTitle="A new genus and species of large-bodied caridean shrimp from the Crozet Islands, Southern Ocean (Crustacea, Decapoda, Lipkiidae) with a checklist of Antarctic and sub-Antarctic shrimps" masterLastPageNumber="240" masterPageNumber="201" pageNumber="205" updateTime="1698529254574" updateUser="ExternalLinkService">
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<mods:titleInfo id="6675DBF034AE4A4A2F31D08D8F1559F4">
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<mods:title id="548AC441B485CA12782EBEBE1E8B2E5D">A new genus and species of large-bodied caridean shrimp from the Crozet Islands, Southern Ocean (Crustacea, Decapoda, Lipkiidae) with a checklist of Antarctic and sub-Antarctic shrimps</mods:title>
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<mods:namePart id="51C37E4393C9B3232D1DFCCBD9F753C6">D'Acoz, Cédric D'Udekem</mods:namePart>
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<mods:namePart id="5D2D64F3325090953DFB6DA8FCD4DE0A">Degrave, Sammy</mods:namePart>
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<mods:title id="592E33A6F07C66089D73EC412A85F958">Zootaxa</mods:title>
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<mods:part id="F97776A8C7775911A75179D03798DD29">
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<mods:date id="4F6D90E7922FC8E116A69075AAF08D1A">2018</mods:date>
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<mods:number id="C87A73598C649D48674461834662F9EB">2018-03-09</mods:number>
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<mods:number id="A2D08979806BF73CD4EB54894539B91B">4392</mods:number>
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<mods:identifier id="818D7254A05C1A88B4DB5BC92898D9EC" type="DOI">10.11646/zootaxa.4392.2.1</mods:identifier>
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<treatment id="03AE87808E02FF82FF6AEB14FD35BCF6" ID-DOI="http://doi.org/10.5281/zenodo.5951566" ID-GBIF-Taxon="142211943" ID-Zenodo-Dep="5951566" LSID="urn:lsid:plazi:treatment:03AE87808E02FF82FF6AEB14FD35BCF6" httpUri="http://treatment.plazi.org/id/03AE87808E02FF82FF6AEB14FD35BCF6" lastPageId="5" lastPageNumber="206" pageId="4" pageNumber="205">
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<subSubSection id="C31D651D8E02FF83FF6AEB14FDDBBE45" box="[151,553,1600,1627]" pageId="4" pageNumber="205" type="nomenclature">
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<paragraph id="8BB836968E02FF83FF6AEB14FDDBBE45" blockId="4.[151,553,1600,1627]" box="[151,553,1600,1627]" pageId="4" pageNumber="205">
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<heading id="D0F081FA8E02FF83FF6AEB14FDDBBE45" bold="true" box="[151,553,1600,1627]" fontSize="11" level="1" pageId="4" pageNumber="205" reason="1">
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<emphasis id="B973EA848E02FF83FF6AEB14FDDBBE45" bold="true" box="[151,553,1600,1627]" pageId="4" pageNumber="205">
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Genus
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<taxonomicName id="4C074D158E02FF83FF13EB15FE47BE44" authority="D'Acoz & Degrave, 2018" authorityName="D'Acoz & Degrave" authorityYear="2018" box="[238,437,1600,1626]" class="Crustacea" family="Lipkiidae" genus="Fresnerhynchus" higherTaxonomySource="CoL" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="205" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B973EA848E02FF83FF13EB15FE47BE44" bold="true" box="[238,437,1600,1626]" italics="true" pageId="4" pageNumber="205">Fresnerhynchus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A24057FF8E02FF83FE41EB14FDDBBE45" box="[444,553,1601,1627]" pageId="4" pageNumber="205" rank="genus">gen. nov.</taxonomicNameLabel>
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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="C31D651D8E02FF83FF6AEBDDFCF7BE80" box="[151,773,1672,1694]" pageId="4" pageNumber="205" type="materials_examined">
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<paragraph id="8BB836968E02FF83FF6AEBDDFCF7BE80" blockId="4.[151,773,1672,1694]" box="[151,773,1672,1694]" pageId="4" pageNumber="205">
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<emphasis id="B973EA848E02FF83FF6AEBDDFED0BE80" bold="true" box="[151,290,1672,1694]" pageId="4" pageNumber="205">Type species.</emphasis>
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<taxonomicName id="4C074D158E02FF83FED4EBDDFDE7BE80" authority="D'Acoz & Degrave, 2018" authorityName="D'Acoz & Degrave" authorityYear="2018" box="[297,533,1672,1694]" class="Crustacea" family="Lipkiidae" genus="Fresnerhynchus" higherTaxonomySource="CoL" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="205" phylum="Arthropoda" rank="species" species="crozeti" status="sp. nov.">
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<emphasis id="B973EA848E02FF83FED4EBDDFDE7BE80" box="[297,533,1672,1694]" italics="true" pageId="4" pageNumber="205">Fresnerhynchus crozeti</emphasis>
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</taxonomicName>
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<emphasis id="B973EA848E02FF83FDE1EBDDFD9EBE80" bold="true" box="[540,620,1672,1694]" pageId="4" pageNumber="205">
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<taxonomicNameLabel id="A24057FF8E02FF83FDE1EBDDFD9EBE80" box="[540,620,1672,1694]" pageId="4" pageNumber="205" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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, by monotypy.
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</paragraph>
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</subSubSection>
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<subSubSection id="C31D651D8E02FF82FF6AEB9FFBA8BB43" lastPageId="5" lastPageNumber="206" pageId="4" pageNumber="205" type="description">
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<paragraph id="8BB836968E02FF83FF6AEB9FFD72BF51" blockId="4.[151,1437,1738,2015]" pageId="4" pageNumber="205">
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<emphasis id="B973EA848E02FF83FF6AEB9FFEDBBEFD" bold="true" box="[151,297,1738,1763]" pageId="4" pageNumber="205">Description.</emphasis>
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Rostrum long, slender, immovable, proximally armed on dorsal margin with small, movable teeth, on ventral margin with fixed teeth. Carapace not carinate behind dorsal teeth. Antennal spine large. Pterygostomial spine well developed. Supra-orbital, branchiostegal and hepatic spines absent. Hepatic pit present. Carapace with long, blunt lateral carina behind hepatic pit.
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</paragraph>
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<paragraph id="8BB836968E02FF83FF3AEA0FFE5FBFC1" blockId="4.[151,1437,1738,2015]" pageId="4" pageNumber="205">Sternal surface between bases of pereiopods 2–5 very uneven, not forming a bifid plate. Eyes large, wider than ocular peduncles. Bec ocellaire forming upward pointing elongated blunt protrusion. Stylocerite well developed, styliform. Scaphocerite well developed, significantly overreaching peduncle of antennula, blade-shaped.</paragraph>
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<paragraph id="8BB836968E03FF82FF3AEDC2FD95B8CB" blockId="5.[151,1437,151,1256]" pageId="5" pageNumber="206">Mandible with incisor process large and strongly dentate, molar process normally developed, with 3 setose ridges; well-developed tri-articulate palp.</paragraph>
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<paragraph id="8BB836968E03FF82FF3AED8AFE25B903" blockId="5.[151,1437,151,1256]" pageId="5" pageNumber="206">Maxillula with palp apically produced into a setose projection, outer plate normally developed, inner plate subquadrate and fairly large.</paragraph>
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<paragraph id="8BB836968E03FF82FF3AEC72FB4CB95E" blockId="5.[151,1437,151,1256]" box="[199,1214,295,320]" pageId="5" pageNumber="206">Maxilla with long "lash" of setae projecting posteriorly from distal lobe of scaphognathite.</paragraph>
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<paragraph id="8BB836968E03FF82FF3AEC19FD64B97B" blockId="5.[151,1437,151,1256]" box="[199,662,332,357]" pageId="5" pageNumber="206">First maxilliped with exopod and epipod.</paragraph>
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<paragraph id="8BB836968E03FF82FF3AEC3AFCB5B996" blockId="5.[151,1437,151,1256]" box="[199,839,367,392]" pageId="5" pageNumber="206">Second maxilliped with exopod, epipod and podobranch.</paragraph>
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<paragraph id="8BB836968E03FF82FF3AECC1FC00B9B3" blockId="5.[151,1437,151,1256]" box="[199,1010,404,429]" pageId="5" pageNumber="206">Third maxilliped very long, with exopod, epipod and two arthrobranchs.</paragraph>
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<paragraph id="8BB836968E03FF82FF3AECE2FEC2BAD3" blockId="5.[151,1437,151,1256]" pageId="5" pageNumber="206">Pereiopods without exopods. Well developed epipod present on pereiopods 1–4. Single arthrobranch on pereiopods 1–4; absent on pereiopod 5; single pleurobranch on pereiopods 1–5. Pereiopod 1 short and robust; fingers of chela with well developed brown apical spines; dactylus with longitudinal row of mobile spines on flexor border. Pereiopod 2 with long slender merus, very long slender carpus (slightly longer than merus); propodus less than half as long as carpus, slender; chela minute, with well developed apical teeth; dactylus with longitudinal row of mobile spines on flexor border. Pereiopods 3–5 moderately long, rather slender, with all articles normally developed (propodus not shortened, longer than carpus); merus with strong spines, dactylus adorned with spines on flexor border.</paragraph>
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<paragraph id="8BB836968E03FF82FF3AEF82FD71BB26" blockId="5.[151,1437,151,1256]" pageId="5" pageNumber="206">Pleonites dorsally not carinate, posterodorsally neither toothed nor produced. Pleuron of pleonite 4 with posteroventral corner not produced into a tooth. Pleuron of pleonite 5 with tooth on upper 0.3 of posterior margin, posteroventral corner produced into a tooth.</paragraph>
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<paragraph id="8BB836968E03FF82FF3AEE11FBA8BB43" blockId="5.[151,1437,151,1256]" box="[199,1114,836,861]" pageId="5" pageNumber="206">
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<taxonomicName id="4C074D158E03FF82FF3AEE11FEE3BB43" authorityName="Pearse" authorityYear="1952" box="[199,273,836,861]" class="Maxillopoda" family="Telsidae" genus="Telson" kingdom="Animalia" order="Poecilostomatoida" pageId="5" pageNumber="207" phylum="Arthropoda" rank="genus">Telson</taxonomicName>
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long and narrow, equal to uropods, with series of large dorsolateral spines.
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</paragraph>
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</subSubSection>
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<subSubSection id="C31D651D8E03FF82FF3AEE32FCB1BC0E" pageId="5" pageNumber="206" type="etymology">
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<paragraph id="8BB836968E03FF82FF3AEE32FCB1BC0E" blockId="5.[151,1437,151,1256]" pageId="5" pageNumber="206">
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<emphasis id="B973EA848E03FF82FF3AEE32FEBCBB9E" bold="true" box="[199,334,871,896]" pageId="5" pageNumber="206">Etymology.</emphasis>
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<taxonomicName id="4C074D158E03FF82FEA9EE32FDF5BB9E" authority="D'Acoz & Degrave, 2018" authorityName="D'Acoz & Degrave" authorityYear="2018" box="[340,519,871,896]" class="Crustacea" family="Lipkiidae" genus="Fresnerhynchus" higherTaxonomySource="CoL" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="205" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B973EA848E03FF82FEA9EE32FDF5BB9E" box="[340,519,871,896]" italics="true" pageId="5" pageNumber="206">Fresnerhynchus</emphasis>
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</taxonomicName>
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is a combination of '
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<emphasis id="B973EA848E03FF82FD0FEE3CFCCCBB9E" box="[754,830,873,896]" italics="true" pageId="5" pageNumber="206">Fresne</emphasis>
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' and '-
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<emphasis id="B973EA848E03FF82FC75EE32FC1CBB9E" box="[904,1006,871,896]" italics="true" pageId="5" pageNumber="206">rhynchus</emphasis>
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'. '
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<emphasis id="B973EA848E03FF82FBFBEE3CFBA0BB9E" box="[1030,1106,873,896]" italics="true" pageId="5" pageNumber="206">Fresne</emphasis>
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' honours the French explorer Marc-Joseph Marion du Fresne (
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<date id="FFB910568E03FF82FDFEEED9FD6ABBBA" box="[515,664,908,933]" pageId="5" pageNumber="206" value="1724-05-22">22 May 1724</date>
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–
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<date id="FFB910568E03FF82FD4EEED9FCB9BBBA" box="[691,843,908,932]" pageId="5" pageNumber="206" value="1772-06-12">12 June 1772</date>
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), who discovered the Archipel Crozet, which is close to the
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<typeStatus id="54BC88348E03FF82FF1EEEE5FEE1BBD6" box="[227,275,944,968]" pageId="5" pageNumber="206">type</typeStatus>
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locality of the
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<typeStatus id="54BC88348E03FF82FE34EEE5FE0BBBD6" box="[457,505,944,968]" pageId="5" pageNumber="206">type</typeStatus>
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species of the genus. The suffix '-
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<emphasis id="B973EA848E03FF82FC70EEFAFC01BBD6" box="[909,1011,943,968]" italics="true" pageId="5" pageNumber="206">rhynchus</emphasis>
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' means having a snout, bill, beak or rostrum. It alludes to the very long rostrum of the shrimp and rhymes with the vaguely similar genus
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<taxonomicName id="4C074D158E03FF82FF6AEEA2FDDDBC0E" authorityName="Holthuis" authorityYear="1995" box="[151,559,1015,1040]" class="Malacostraca" family="Rhynchocinetidae" genus="Cinetorhynchus" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="206" phylum="Arthropoda" rank="genus">
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<emphasis id="B973EA848E03FF82FF6AEEA2FEBABC0E" box="[151,328,1015,1040]" italics="true" pageId="5" pageNumber="206">Cinetorhynchus</emphasis>
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(Rhynchocinetidae)
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</taxonomicName>
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. The name is masculine.
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</paragraph>
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</subSubSection>
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<subSubSection id="C31D651D8E03FF82FF3AE949FD35BCF6" pageId="5" pageNumber="206" type="discussion">
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<paragraph id="8BB836968E03FF82FF3AE949FD35BCF6" blockId="5.[151,1437,151,1256]" pageId="5" pageNumber="206">
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<emphasis id="B973EA848E03FF82FF3AE949FEC9BC2B" bold="true" box="[199,315,1052,1077]" pageId="5" pageNumber="206">Remarks.</emphasis>
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<taxonomicName id="4C074D158E03FF82FEBFE949FE07BC2B" authority="D'Acoz & Degrave, 2018" authorityName="D'Acoz & Degrave" authorityYear="2018" box="[322,501,1052,1077]" class="Crustacea" family="Lipkiidae" genus="Fresnerhynchus" higherTaxonomySource="CoL" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="205" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B973EA848E03FF82FEBFE949FE07BC2B" box="[322,501,1052,1077]" italics="true" pageId="5" pageNumber="206">Fresnerhynchus</emphasis>
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</taxonomicName>
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is superficially similar to
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<taxonomicName id="4C074D158E03FF82FCE0E949FC82BC2B" authorityName="Yaldwyn" authorityYear="1960" box="[797,880,1052,1077]" class="Malacostraca" family="Nematocarcinidae" genus="Lipkius" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="206" phylum="Arthropoda" rank="genus">
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<emphasis id="B973EA848E03FF82FCE0E949FC82BC2B" box="[797,880,1052,1077]" italics="true" pageId="5" pageNumber="206">Lipkius</emphasis>
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</taxonomicName>
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. However, the absence of a sternal plate between the pereiopods (vs. present in
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<taxonomicName id="4C074D158E03FF82FE13E96AFDB3BC46" authorityName="Yaldwyn" authorityYear="1960" box="[494,577,1087,1112]" class="Malacostraca" family="Nematocarcinidae" genus="Lipkius" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="206" phylum="Arthropoda" rank="genus">
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<emphasis id="B973EA848E03FF82FE13E96AFDB3BC46" box="[494,577,1087,1112]" italics="true" pageId="5" pageNumber="206">Lipkius</emphasis>
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</taxonomicName>
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) and the presence of spines on the flexor border of the dactylus of walking pereiopods (vs. absent in
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<taxonomicName id="4C074D158E03FF82FE45E931FDF8BC63" authorityName="Yaldwyn" authorityYear="1960" box="[440,522,1124,1149]" class="Malacostraca" family="Nematocarcinidae" genus="Lipkius" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="206" phylum="Arthropoda" rank="genus">
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<emphasis id="B973EA848E03FF82FE45E931FDF8BC63" box="[440,522,1124,1149]" italics="true" pageId="5" pageNumber="206">Lipkius</emphasis>
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</taxonomicName>
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) justifies the recognition of a separate genus. The new genus also exhibits some morphological similarity to the genus
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<taxonomicName id="4C074D158E03FF82FDAAE9DCFCF3BCBE" authorityName="Schmitt" authorityYear="1926" box="[599,769,1161,1184]" class="Malacostraca" family="Eugonatonotidae" genus="Eugonatonotus" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="206" phylum="Arthropoda" rank="genus">
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<emphasis id="B973EA848E03FF82FDAAE9DCFCF3BCBE" box="[599,769,1161,1184]" italics="true" pageId="5" pageNumber="206">Eugonatonotus</emphasis>
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</taxonomicName>
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(family
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<taxonomicName id="4C074D158E03FF82FC94E9D2FBDEBCBE" box="[873,1068,1159,1184]" class="Malacostraca" family="Eugonatonotidae" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="206" phylum="Arthropoda" rank="family">Eugonatonotidae</taxonomicName>
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), especially in the shape of the rostrum and the large eyes. But it is clearly separated from that family by the absence of ridges on the carapace as well as the absence of exopods on the pereiopods.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |