239 lines
27 KiB
XML
239 lines
27 KiB
XML
<document id="B50489741F18382C5FEBF39A24A03808" ID-CLB-Dataset="27262" ID-DOI="http://dx.doi.org/10.3897/zookeys.838.33051" ID-GBIF-Dataset="65612428-8b29-4480-8fb1-08baa2c1e0e7" ID-PMC="PMC6477836" ID-Pensoft-Pub="1313-2970-838-1" ID-PubMed="31048964" ID-ZooBank="E02E411A75DE4414B0651DEF4E8A0732" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1313-2970-838-1" ModsDocOrigin="ZooKeys 838" ModsDocTitle="New records of Benthesicymus Bate, 1881 (Dendrobranchiata, Penaeoidea, Benthesicymidae) from the abyssal depths of Taiwan" checkinTime="1555318500804" checkinUser="pensoft" docAuthor="Yang, Chien-Hui & Chan, Tin-Yam" docDate="2019" docId="D6DB9F304A24EF4638A360C41622860D" docLanguage="en" docName="ZooKeys 838: 1-8" docOrigin="ZooKeys 838" docSource="http://dx.doi.org/10.3897/zookeys.838.33051" docTitle="Benthesicymus crenatus Bate 1881" docType="treatment" docVersion="6" lastPageNumber="3" masterDocId="715486101065FF86FFD2DF6EF44BFFD8" masterDocTitle="New records of Benthesicymus Bate, 1881 (Dendrobranchiata, Penaeoidea, Benthesicymidae) from the abyssal depths of Taiwan" masterLastPageNumber="8" masterPageNumber="1" pageNumber="2" updateTime="1701383613199" updateUser="ExternalLinkService">
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<mods:title id="320ACA4FBD5AB4A53767426213F3C450">New records of Benthesicymus Bate, 1881 (Dendrobranchiata, Penaeoidea, Benthesicymidae) from the abyssal depths of Taiwan</mods:title>
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<mods:namePart id="24DCFA3FD942CAC970EEDB06A34D23C6">Yang, Chien-Hui</mods:namePart>
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<mods:namePart id="98E180F6FD412D955DF73CA57CA6114E">Chan, Tin-Yam</mods:namePart>
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<mods:date id="FE2BA9470A2733FBBE3BBB5C67D19832">2019</mods:date>
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<mods:number id="DB4511858EF5AA033360EDAE7DB6E092">838</mods:number>
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<mods:classification id="19F7B531A89451AAAEFDEF4B0EAED583">journal article</mods:classification>
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<mods:identifier id="916DC7EEC6A65533D467691CD4617DB1" type="DOI">http://dx.doi.org/10.3897/zookeys.838.33051</mods:identifier>
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<treatment id="D6DB9F304A24EF4638A360C41622860D" ID-GBIF-Taxon="156200212" LSID="urn:lsid:plazi:treatment:D6DB9F304A24EF4638A360C41622860D" httpUri="http://treatment.plazi.org/id/D6DB9F304A24EF4638A360C41622860D" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2">
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<subSubSection id="9593340B0ADC65CBA1C326DF9AFAE56A" pageId="1" pageNumber="2" type="nomenclature">
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<paragraph id="5DBC4C3B9F96403A80F0E0549BA9270F" pageId="1" pageNumber="2">
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<taxonomicName id="92DE7B2685DBE95F3ED7574D89324355" ID-CoL="9XH4F" authority="Bate, 1881" authorityName="Bate" authorityYear="1881" class="Malacostraca" family="Benthesicymidae" genus="Benthesicymus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Benthesicymus crenatus" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="crenatus">Benthesicymus crenatus Bate, 1881</taxonomicName>
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Figs 1, 2
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</paragraph>
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</subSubSection>
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<subSubSection id="3C0F54F4C651D622D1F37A8F72B834AC" pageId="1" pageNumber="2" type="reference_group">
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<paragraph id="5AB30B16653FC7A05887527D9F8F88F1" pageId="1" pageNumber="2">
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<taxonomicName id="0D0A110EFA9FD01293D2BDAB18C7F56E" class="Malacostraca" family="Benthesicymidae" genus="Benthesicymus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Benthesicymus crenatus" order="Decapoda" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="crenatus">Benthesicymus crenatus</taxonomicName>
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Bate, 1881: 190 (type localities: central Pacific near Low Archipelago);
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<bibRefCitation id="85FDFA36CCBD33EE4640353C56FBC2F6" author="Bate, CS" journalOrPublisher="" Challenger " during the years 1873 - 76, 24" pageId="6" pageNumber="7" title="Report on the Crustacea Macrura collected by the Challenger during the years 1873 - 76. Report on the Scientific Results of the Voyage of H. M. S." year="1888">Bate 1888</bibRefCitation>
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: 329, pls. 54-55;
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<bibRefCitation id="042497CE19CE17B5C45CEE739D0C1139" pageId="1" pageNumber="2">Crosnier 1986</bibRefCitation>
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: 851, figs. 6d-e, 7d-e, 8f-g;
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<bibRefCitation id="49C67B13323DE3BC840F6D27E53F489E" author="Kikuchi, T" journalOrPublisher="Journal of Crustacean Biology" pageId="6" pageNumber="7" pagination="64 - 89" title="Deep-sea shrimps of the genus Benthesicymus (Decapoda: Dendrobranchiata) from the western North Pacific." url="https://doi.org/10.2307/1548545" volume="11" year="1991">Kikuchi and Nemoto 1991</bibRefCitation>
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: 67, figs. 2-3;
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<bibRefCitation id="243FF6A5CF527F83861CB309B889A801" author="Kim, JN" journalOrPublisher="Biogeography" pageId="6" pageNumber="7" pagination="3 - 20" title="Abyssobenthic shrimps (Crustacea, Decapoda, Penaeidea and Caridea) from the Northwest Pacific by RV Soyo-Maru." volume="2" year="2000">Kim et al. 2000</bibRefCitation>
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: 7, figs 2f, g, 8c.
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</paragraph>
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</subSubSection>
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<subSubSection id="49A2BBECA3F8C5736BF0F4ED5B3390DB" pageId="1" pageNumber="2" type="materials_examined">
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<paragraph id="6B65CEF94DEC16F606E8012022C502E0" pageId="1" pageNumber="2">Material examined.</paragraph>
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<paragraph id="747B7B9026A85FEC7F98276560358F90" pageId="1" pageNumber="2">
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"TAIWAN 2005", stn OCP296,
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<geoCoordinate id="EAABC5E7CA403BAAB2928F356D1A1F08" direction="north" orientation="latitude" precision="9" value="22.251333">22°15.08'N</geoCoordinate>
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,
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<geoCoordinate id="25D306018C44E4DC96C3BFA3A17669CE" direction="east" orientation="longitude" precision="9" value="121.91817">121°55.09'E</geoCoordinate>
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, 4430-4455 m, 10 Aug 2005, 2 females cl 29.2-37.3 mm (NTOU M02182). "TAIWAN 2008", stn CP413,
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<geoCoordinate id="97980499D3C52B01004ADC59129FFB4B" direction="north" orientation="latitude" precision="9" value="22.251">22°15.06'N</geoCoordinate>
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,
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<geoCoordinate id="6183220D2C4B97A9D785BB7FCFE14669" direction="east" orientation="longitude" precision="9" value="121.916336">121°54.98'E</geoCoordinate>
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, 4412-4446 m, 12 Jun 2008, 2 males cl 34.2-53.7 mm (NTOU M02183); stn CP414,
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<geoCoordinate id="DC3C31BC9B34F690ABF199274D17A77D" direction="north" orientation="latitude" precision="9" value="22.631834">22°37.91'N</geoCoordinate>
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,
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<geoCoordinate id="0C4CED06F4F73AD0C992C0C680B7350B" direction="east" orientation="longitude" precision="9" value="122.545334">122°32.72'E</geoCoordinate>
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, 5011-4990 m, 13 Jun 2008, 3 males cl 25.2-37.7 mm, 1 female cl 20.2 mm (NTOU M02184); stn CP415,
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<geoCoordinate id="0A636F795A3A5B7FAE53C050DE249074" direction="north" orientation="latitude" precision="9" value="22.436">22°26.16'N</geoCoordinate>
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,
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<geoCoordinate id="48224D18559EC8A6E879D5F1C53F777F" direction="east" orientation="longitude" precision="9" value="122.35167">122°21.10'E</geoCoordinate>
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, 4813-4807 m, 14 Jun 2008, 3 males cl 25.8-48.6 mm (NTOU M02185); stn CP416,
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<geoCoordinate id="DA6813CE535759A7A70F8974404417D5" direction="north" orientation="latitude" precision="9" value="22.440666">22°26.44'N</geoCoordinate>
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,
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<geoCoordinate id="322549036B8BD5FF8559A24628E4654E" direction="east" orientation="longitude" precision="9" value="122.353">122°21.18'E</geoCoordinate>
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, 4824-4807 m, 15 Jun 2008, 1 male cl 25.7 mm, 1 female cl 27.1 mm (NTOU M02186). "TAIWAN 2012", stn CP465,
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<geoCoordinate id="ECAC3450B86B79705A4DEB210DA6F434" direction="north" orientation="latitude" precision="9" value="22.626">22°37.56'N</geoCoordinate>
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,
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<geoCoordinate id="A490085EB119148E150E745A708C1860" direction="east" orientation="longitude" precision="9" value="122.53717">122°32.23'E</geoCoordinate>
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, 5004-4996 m, 01 Jul 2012, 1 male cl 40.8 mm (NTOU M02187); stn CP466,
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<geoCoordinate id="EC013AE9424CAAB2EF6C45D437FA4A3A" direction="north" orientation="latitude" precision="9" value="22.797667">22°47.86'N</geoCoordinate>
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,
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<geoCoordinate id="D9AB1CDB9DBDAE4D7F67B1946AE412A5" direction="east" orientation="longitude" precision="9" value="122.49533">122°29.72'E</geoCoordinate>
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, 5226-5314 m, 02 Jun 2012, 2 males cl 28.1-33.3 mm, 3 females cl 20.1-37.3 mm (NTOU M02188); stn CP467,
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<geoCoordinate id="D120039FF9543C9E70B8B7FD9141FEC4" direction="north" orientation="latitude" precision="9" value="22.800167">22°48.01'N</geoCoordinate>
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,
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<geoCoordinate id="6FBD9484B71DF9D7EF582EAE51B95CAF" direction="east" orientation="longitude" precision="9" value="122.494835">122°29.69'E</geoCoordinate>
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, 5227-5154 m, 02 Jun 2012, 4 males cl 23.8-30.7 mm, 4 females cl 13.7-39.1 mm (NTOU M02189).
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</paragraph>
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</subSubSection>
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<subSubSection id="92C3D29E3A8019822C32B907DB45C285" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2" type="description">
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<paragraph id="82314992523EF5FD321E3FA1C277BDCF" pageId="1" pageNumber="2">Description.</paragraph>
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<paragraph id="4D3F7761DB12E9E76CD54C44CFF9C556" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2">
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Integument membranous and soft. Rostrum dorsally compressed and slightly elevated into a low crest, dorsal margin with three or rarely four (only in one specimen of the present material) teeth, ventral margin without teeth. Antennal spine minute but distinct. Hepatic spine present with deep cervical groove behind it. Hepatic and branchiocardiac carinae elevated (Fig. 2A). Fourth to sixth abdominal somites with posteromedian spines. Posterior margin of fourth abdominal tergite distinctly crenate; with 19-33 (usually 23-28) teeth, medial teeth larger but obtuse (except for median tooth which is largest and acute) while lateral teeth sometimes sharper but smaller (Fig. 2B). Telson with three pairs of movable lateral spines and one pair of terminal spines, distal pair of lateral spine adjacent to terminal spine (Fig. 2C). Third maxilliped and first pereiopod both with merus and ischium bearing a sharp distomesial spine (Figs 2
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<normalizedToken id="FE37B5067511C5C42271AB1FC22A5B21" originalValue="D–E">D-E</normalizedToken>
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). Distal segment of third maxilliped with sharp spine at tip (Fig. 2F). Thelycum lacking seminal receptacles but bearing median longitudinal carinae on fifth and sixth thoracic sternites. Seventh and eight thoracic sternites with large tubercle and sharp median spine, respectively (Fig. 2G). Petasma with lateral lobe generally wide and flat, except for a long strong and narrow submarginal fold at ventrolateral lobule, another shorter subdistal fold also present on dorsolateral lobule; median lobe
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<pageBreakToken id="7D2330D4BBC604D9F5FBC885D675C1A4" pageId="2" pageNumber="3" start="start">with</pageBreakToken>
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distal margin minutely serrated (Fig. 2I), dorsomedian lobule strongly folded and densely covered with small hooked spines (Fig. 2H).
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</paragraph>
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</subSubSection>
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<subSubSection id="D368629E0CAA0D948579D36E6BA7702C" pageId="2" pageNumber="3" type="coloration">
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<paragraph id="3A504F58863D65F959FB196F6F49CE4A" pageId="2" pageNumber="3">Coloration.</paragraph>
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<paragraph id="C7B18DA926980D5580774CF15D398B2A" pageId="2" pageNumber="3">Body entirely reddish to orangish red (Fig. 1). Antennular and antennal flagella orange. Scaphocerite and bascerite pinkish white to pale white. Cornea white.</paragraph>
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<caption id="7B5C17894699222043B33093C3F00192" pageId="2" pageNumber="3">
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<paragraph id="A20AFBB097DC8419CCCEE40878347A95" pageId="2" pageNumber="3">
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Figure 1.
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<taxonomicName id="05C48229C46A77C43DD564985F0EBA22" class="Malacostraca" family="Benthesicymidae" genus="Benthesicymus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Benthesicymus crenatus" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="crenatus">Benthesicymus crenatus</taxonomicName>
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Bate, 1881, stn CP413, 4412-4446 m, male cl 34.2 mm (NTOU M02183).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection id="52E24B3EB047C66EF4DBEA17EE73FB58" pageId="2" pageNumber="3" type="distribution">
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<paragraph id="617E6922440F0A3E12DEC53787594BAF" pageId="2" pageNumber="3">Distribution.</paragraph>
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<paragraph id="7643C6BA337E180CC5822A3CC1B0D3AA" pageId="2" pageNumber="3">
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Northwest and Central Pacific, at depths of 3,530 to 6,350 m. There is one record of 0-5,700 m for this species (
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<bibRefCitation id="670511A1861E0682D0FCBC792267685B" author="Kikuchi, T" journalOrPublisher="Journal of Crustacean Biology" pageId="6" pageNumber="7" pagination="64 - 89" title="Deep-sea shrimps of the genus Benthesicymus (Decapoda: Dendrobranchiata) from the western North Pacific." url="https://doi.org/10.2307/1548545" volume="11" year="1991">Kikuchi and Nemoto 1991</bibRefCitation>
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) but it is very likely that the material was collected from more than 3500 m deep.
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</paragraph>
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</subSubSection>
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<subSubSection id="485FDC9F7F54448878C6BA55E7ED1AA5" pageId="2" pageNumber="3" type="remarks">
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<paragraph id="CE35C160503CEBE7AE55FEEF0A4D36F2" pageId="2" pageNumber="3">Remarks.</paragraph>
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<paragraph id="2AD28E412C433E4A8AC6F05EB289D7C9" pageId="2" pageNumber="3">
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The 27 specimens examined were collected from 4,412 to 5,134 m deep and most of them are damaged due to their fragile bodies even though their sizes are quite large. Nevertheless, they can be positively identified as
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<taxonomicName id="1572D14EF982ADAFDC9BCBA482378C48" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
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by the characteristic comb-like crenation on the posterior margin of the fourth abdominal tergite. The Taiwanese material also generally fits well with previous descriptions of
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<taxonomicName id="FCFA614A42FCC5D798B66E10AA56C4E8" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
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(
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<bibRefCitation id="25C5B999AADE0E7513474B49C50CB475" author="Bate, CS" journalOrPublisher="National Taiwan Ocean University, Keelung" pageId="6" pageNumber="7" url="https://doi.org/10.1080/00222938109487441" year="1881">Bate 1881</bibRefCitation>
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,
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<bibRefCitation id="5104181661F82AA99106DACBBF79EE55" author="Bate, CS" journalOrPublisher="" Challenger " during the years 1873 - 76, 24" pageId="6" pageNumber="7" title="Report on the Crustacea Macrura collected by the Challenger during the years 1873 - 76. Report on the Scientific Results of the Voyage of H. M. S." year="1888">1888</bibRefCitation>
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,
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<bibRefCitation id="551E1E062A9876DE8D3D57984641DFD4" pageId="2" pageNumber="3">Crosnier 1986</bibRefCitation>
|
||
,
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<bibRefCitation id="BD57EB558FECB8BA6DBC7E9CE2597601" author="Kikuchi, T" journalOrPublisher="Journal of Crustacean Biology" pageId="6" pageNumber="7" pagination="64 - 89" title="Deep-sea shrimps of the genus Benthesicymus (Decapoda: Dendrobranchiata) from the western North Pacific." url="https://doi.org/10.2307/1548545" volume="11" year="1991">Kikuchi and Nemoto 1991</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="551F2C05E69E48C89FBDD50E5C2E754D" author="Kim, JN" journalOrPublisher="Biogeography" pageId="6" pageNumber="7" pagination="3 - 20" title="Abyssobenthic shrimps (Crustacea, Decapoda, Penaeidea and Caridea) from the Northwest Pacific by RV Soyo-Maru." volume="2" year="2000">Kim et al. 2000</bibRefCitation>
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||
). The present report of
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<taxonomicName id="F34F05B7E09D9A2C53C79C5F6834BCD3" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
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from 5,324 m represents the deepest marine animal recorded from Taiwan. The previous deepest records from Taiwanese waters were the squat lobsters (
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<taxonomicName id="5AF785190DFE1DA4C51786AEA127D588" family="Galatheidae" lsidName="" pageId="2" pageNumber="3" rank="family">Galatheidae</taxonomicName>
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Samouelle, 1819),
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<taxonomicName id="6E2981C3BDBF3C8275A7FCD83F3626FF" class="Malacostraca" family="Munidopsidae" genus="Munidopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Munidopsis profunda" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="profunda">Munidopsis profunda</taxonomicName>
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Baba, 2005 and
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<taxonomicName id="7202094769742FA9362A1E7E4A5870FB" lsidName="M. taiwanica" pageId="2" pageNumber="3" rank="species" species="taiwanica">M. taiwanica</taxonomicName>
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Osawa, Lin & Chan, 2008b from 5,011 m deep (
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<bibRefCitation id="8894AE097FD161CEACF4F68A097BE7AB" author="Osawa, M" journalOrPublisher="Scientia Marina" pageId="6" pageNumber="7" pagination="37 - 57" title="Species of Galacantha and Munidopsis (Crustacea: Decapoda: Anomura: Galatheidae) from the deep-waters off Taiwan, with the description of two new species." volume="72" year="2008 b">Osawa et al. 2008b</bibRefCitation>
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,
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<bibRefCitation id="6FCB459F882BA5F295FBB498DBE699D3" author="Baba, K" journalOrPublisher="National Taiwan Ocean University, Keelung" pageId="5" pageNumber="6" title="Crustacean Fauna of Taiwan: Squat Lobsters (Chirostylidae and Galatheidae)." year="2009">Baba et al. 2009</bibRefCitation>
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).
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</paragraph>
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<paragraph id="E5AA4BE5D78886BB8279D4290175BF34" pageId="2" pageNumber="3">
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The 15 species known in
|
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<taxonomicName id="EB8ED2FE10895BBC664C64AC6D4C2316" class="Malacostraca" family="Benthesicymidae" genus="Benthesicymus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Benthesicymus" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Benthesicymus</taxonomicName>
|
||
(
|
||
<bibRefCitation id="DB1576205415C00C2D1B4B28E5D47698" author="De Grave, S" journalOrPublisher="Zoologische Mededelingen, Leiden" pageId="6" pageNumber="7" pagination="195 - 589" title="Carideorum catalogus: the recent species of the dendrobranchiate, stenopodidean, procarididean and caridean shrimps (Crustacea: Decapoda)." volume="89" year="2011">De Grave and Fransen 2011</bibRefCitation>
|
||
) are often separated into two groups by the following characteristics: (1) branchiostegal spine not sharp and located at margin of carapace in group I vs. very sharp but situated behind the carapace margin in group II; (2) exopod of first maxilliped abruptly narrow to tip in group I vs. tapering to tip in group II; (3) merus of second maxilliped expanded in group I vs. unexpanded in group II; (4) dactylus of third maxilliped triangular with only one terminal spine in group I vs. subrectangular with more than one spine in group II; (5) exopods of all pereiopods small but visible in group I vs. very tiny in group II (
|
||
<bibRefCitation id="CBADA0C7DDE88725ADF5C12460EA7C4E" author="Burkenroad, MD" journalOrPublisher="Bulletin of the Bingham Oceanographic Collection" pageId="6" pageNumber="7" pagination="1 - 151" title="The Aristaeinae, Solenocerinae and pelagic Penaeinae of the Bingham Oceanographic Collection." volume="5" year="1936">Burkenroad 1936</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="24C71572604D351E033552720E773072" author="Kikuchi, T" journalOrPublisher="Journal of Crustacean Biology" pageId="6" pageNumber="7" pagination="64 - 89" title="Deep-sea shrimps of the genus Benthesicymus (Decapoda: Dendrobranchiata) from the western North Pacific." url="https://doi.org/10.2307/1548545" volume="11" year="1991">Kikuchi and Nemoto 1991</bibRefCitation>
|
||
). Groups I and II consist of ten and five species respectively, and
|
||
<taxonomicName id="5DA636771B0CB5700CD3F0AC09ED6AFF" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
|
||
belongs in group I.
|
||
</paragraph>
|
||
<paragraph id="A6F843ED998996C10567B3F8BFF7D471" pageId="2" pageNumber="3">
|
||
The closest species to
|
||
<taxonomicName id="0E72C8E1C3DFCFC3DBDD6CDBA7A8A479" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
|
||
is
|
||
<taxonomicName id="D25DEAD5E598640BE4A40257B717330B" lsidName="B. laciniatus" pageId="2" pageNumber="3" rank="species" species="laciniatus">B. laciniatus</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EBC77A58B9E99630B9AFE003BA69878C" pageId="2" pageNumber="3">Crosnier 1986</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="12219F3FCBCFBDBA75E64EDDB5E3AD91" author="Kikuchi, T" journalOrPublisher="Journal of Crustacean Biology" pageId="6" pageNumber="7" pagination="64 - 89" title="Deep-sea shrimps of the genus Benthesicymus (Decapoda: Dendrobranchiata) from the western North Pacific." url="https://doi.org/10.2307/1548545" volume="11" year="1991">Kikuchi and Nemoto 1991</bibRefCitation>
|
||
), which was also collected from Taiwan (see below). The two species can be readily separated by the following characters: (1) dorsal margin of rostrum armed with three or four teeth in
|
||
<taxonomicName id="19706C55CD5FB0A3A1C5A2D5C9F9C353" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
|
||
(Fig. 2A) but with only two teeth in
|
||
<taxonomicName id="8AA8F72D83B93E1A21A8034E656566F0" lsidName="B. laciniatus" pageId="2" pageNumber="3" rank="species" species="laciniatus">B. laciniatus</taxonomicName>
|
||
(Fig. 3A); (2) hepatic spine present in
|
||
<taxonomicName id="C3EABEE12C3CD0631328C20938F239B5" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
|
||
(Fig. 2A) whereas absent in
|
||
<taxonomicName id="1B9EDB4E674E0F376801C481E54486DE" lsidName="B. laciniatus" pageId="2" pageNumber="3" rank="species" species="laciniatus">B. laciniatus</taxonomicName>
|
||
(Fig. 3A); (3) cervical groove deep and with elevated branchiocardiac carina extending to posterior carapace in
|
||
<taxonomicName id="B813CF8D0C164E262B7E14AA6A10BD2D" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
|
||
(Fig. 2A), carapace without deep groove nor distinct carina in
|
||
<taxonomicName id="D9EA1B5CD3B3BF3BF029A60622F19AA8" lsidName="B. laciniatus" pageId="2" pageNumber="3" rank="species" species="laciniatus">B. laciniatus</taxonomicName>
|
||
(Fig. 3A); (4) teeth on crenation of fourth abdominal pleuron more numerous (25-29 teeth) and rather blunt in
|
||
<taxonomicName id="235C6E086B8F5B6F72D5E8CF6BE682A0" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
|
||
(Fig. 2B), whereas fewer (13-19 teeth) and sharp in
|
||
<taxonomicName id="9F6E75DDE1DC2BDB961E8614407108F3" lsidName="B. laciniatus" pageId="2" pageNumber="3" rank="species" species="laciniatus">B. laciniatus</taxonomicName>
|
||
(Fig. 3B); (6) posterior margin of fifth abdominal pleuron bearing distinct spine in
|
||
<taxonomicName id="8C0487189F30DEA91939DFE7685EFDA1" lsidName="B. laciniatus" pageId="2" pageNumber="3" rank="species" species="laciniatus">B. laciniatus</taxonomicName>
|
||
(Fig. 3B) whereas smooth in
|
||
<taxonomicName id="29D8955F604BD2D5AD37308A052C8393" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
|
||
(Fig. 2B); (7) mesial margin of merus and ischium in third maxilliped and first pereiopod with a sharp spine in
|
||
<taxonomicName id="15543ABFE2FC05A74BA8639F9316FDB6" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
|
||
(Fig. 2
|
||
<normalizedToken id="48857D9E1618DBEFD5FB97F7300645B7" originalValue="D–E">D-E</normalizedToken>
|
||
), whereas without spine in
|
||
<taxonomicName id="EB56C723392B8CF6F19B045BB0C7DD51" lsidName="B. laciniatus" pageId="2" pageNumber="3" rank="species" species="laciniatus">B. laciniatus</taxonomicName>
|
||
(Fig. 3D); (8) thelycum with strong median spine on eighth thoracic sternite in
|
||
<taxonomicName id="3CD09362F509892F220CDBC540B09CA0" lsidName="B. crenatus" pageId="2" pageNumber="3" rank="species" species="crenatus">B. crenatus</taxonomicName>
|
||
(Fig. 2G), whereas without spine in
|
||
<taxonomicName id="145112BEA163BA20D2B319EFB6FA70B6" lsidName="B. laciniatus" pageId="2" pageNumber="3" rank="species" species="laciniatus">B. laciniatus</taxonomicName>
|
||
(
|
||
<bibRefCitation id="90715DF239162181A62F2535A72A7DA0" pageId="2" pageNumber="3">Crosnier 1986</bibRefCitation>
|
||
: fig. 6c).
|
||
</paragraph>
|
||
<caption id="EB16AFD922862481BCE80F39B41F5EA0" pageId="2" pageNumber="3">
|
||
<paragraph id="81B7D87B6976B29C30F9F14E9C196A09" pageId="2" pageNumber="3">
|
||
Figure 2.
|
||
<taxonomicName id="562132C190AC5E4D96A56A89E45F97CD" class="Malacostraca" family="Benthesicymidae" genus="Benthesicymus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Benthesicymus crenatus" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="crenatus">Benthesicymus crenatus</taxonomicName>
|
||
Bate, 1881, A, B, H, I stn CP413, 4412-4446 m, male cl 53.7 mm (NTOU M02183) C stn CP466, 5226-5314 m, female cl 20.1 mm (NTOU M02188)
|
||
<normalizedToken id="4316952C950ED5D442161596A6688FBA" originalValue="D–G">D-G</normalizedToken>
|
||
stn CP416, 4824-4807 m, female cl 27.1 mm (NTOU M02186) A carapace and anterior appendages, lateral view B abdominal somites III to V, lateral view C telson, dorsal view D left maxilliped III E left pereiopod I F dactylus of left maxilliped III G thoracic sternites V to VIII H left petasma, ventral view I tip of median lobe, ventral view. Scale bars: 5 mm (
|
||
<normalizedToken id="EF76539E14FEBC7F100BFAC3931EECFB" originalValue="A–E">A-E</normalizedToken>
|
||
, G, H); 1 mm (F, I).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DDDBA30BE51BABD573B1C9B6C737DDBB" pageId="2" pageNumber="3">
|
||
<paragraph id="3BD95BBDA3DD81E1BA9615F2B3811288" pageId="2" pageNumber="3">
|
||
Figure 3.
|
||
<taxonomicName id="B847F5EC980E6FF0CBE088921F663970" class="Malacostraca" family="Benthesicymidae" genus="Benthesicymus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Benthesicymus laciniatus" order="Decapoda" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="laciniatus">Benthesicymus laciniatus</taxonomicName>
|
||
Rathbun, 1906, stn CP369, 3030-3070 m, male cl 25.0 mm (NTOU M02191) A carapace and anterior appendages, lateral view B abdominal somites IV to V, lateral view C telson, dorsal view D left maxilliped III E right petasma, ventral view F tip of median lobe, ventral view. Scale bars: 5 mm (
|
||
<normalizedToken id="657F59EC72ABE29E0F44A238DCB13ADC" originalValue="A–D">A-D</normalizedToken>
|
||
); 1 mm (E, F).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |