303 lines
36 KiB
XML
303 lines
36 KiB
XML
<document ID-CLB-Dataset="3112" ID-DOI="http://dx.doi.org/10.3897/subtbiol.40.76301" ID-GBIF-Dataset="48b4aaa8-ce33-4277-a7dd-850afd546f77" ID-Pensoft-Pub="1314-2615-40-175" ID-Pensoft-UUID="7ECFCC736B7B51B08ECFA632111DDE8F" ID-ZooBank="96E9F621B1A943DBB18B34983DD72B4B" ModsDocID="1314-2615-40-175" checkinTime="1638591370665" checkinUser="pensoft" docAuthor="Farikou, Pountougnigni Oumarou, Christophe, Piscart, Bertrand, Sob Nangou Paul & Hubert, Zebaze Togouet Serge" docDate="2021" docId="46CEDC899C2A5EB6AC2DB887D4D230AD" docLanguage="en" docName="SubterBiol 40: 175-194" docOrigin="Subterranean Biology 40" docPubDate="2021-12-03" docSource="http://dx.doi.org/10.3897/subtbiol.40.76301" docTitle="Metastenasellus boutini Pountougnigni, Piscart & Zebaze Togouet 2021, sp. nov." docType="treatment" docUuid="B56F7FB4-8AE2-4B9A-8B26-8F4FDDF0E327" docUuidSource="ZooBank" docVersion="6" id="7ECFCC736B7B51B08ECFA632111DDE8F" lastPageNumber="175" masterDocId="7ECFCC736B7B51B08ECFA632111DDE8F" masterDocTitle="Distribution of Stenasellidae in Africa and description of a new species of Metastenasellus from Cameroonian groundwaters" masterLastPageNumber="194" masterPageNumber="175" pageNumber="175" updateTime="1732869595507" updateUser="ExternalLinkService">
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<mods:mods id="28BB015CC86D30DFA7442EDA3B96555F" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="70A843E523642CD69086AA0E51779D27">
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<mods:title id="7EF6038A5DBD50EF466056DB0606C787">Distribution of Stenasellidae in Africa and description of a new species of Metastenasellus from Cameroonian groundwaters</mods:title>
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</mods:titleInfo>
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<mods:name id="D681E569B853BE6DC270FD83444B1822" type="personal">
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<mods:role id="B7C53D4C795419837B054F27467CEBFA">
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<mods:roleTerm id="C867DED5E17E08AEFB3F3B85F72A8B72">Author</mods:roleTerm>
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<mods:namePart id="20ED0C47F38A73CA21908C58DF97DB34">Farikou, Pountougnigni Oumarou</mods:namePart>
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<mods:affiliation id="E7F1B9860F11F24816A4A2FC2035BE6F">University of Yaounde 1, Laboratory of Hydrobiology and Environment BP: 812, Yaounde, Cameroon</mods:affiliation>
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</mods:name>
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<mods:name id="8158E7FA7188B000A1BF6738D57D191D" type="personal">
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<mods:role id="DF5DF664A939B0823B0CB05298A2C53E">
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<mods:roleTerm id="B26F5DE8E73FC0F21F81B3C580D77A49">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="0C307BC0E6EF98BFB5444F4C271D9A2F">Christophe, Piscart</mods:namePart>
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<mods:affiliation id="892CB56FD23FA1CAC2BA5611B3DD13BB">Univ Rennes, CNRS, ECOBIO - UMR 6553, F- 35000, Rennes, France</mods:affiliation>
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</mods:name>
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<mods:name id="3BF87B5D240EA0CC55A46336EABF0E24" type="personal">
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<mods:roleTerm id="704D219233C4C6ED93980686B39CD8F4">Author</mods:roleTerm>
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<mods:namePart id="F1A0FC5F45137C20E44933207E7FF5C0">Bertrand, Sob Nangou Paul</mods:namePart>
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<mods:affiliation id="DF049E9D6C56DAAEFCAB22CFD5E1D2DA">University of Yaounde 1, Laboratory of Hydrobiology and Environment BP: 812, Yaounde, Cameroon</mods:affiliation>
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<mods:name id="08879D19A9022D7B318278E2E8EC9F80" type="personal">
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<mods:roleTerm id="9F82EF2C0DDB21E04230D563B9547D01">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="D6BA6856C06B8202075ABAF900A25662">Hubert, Zebaze Togouet Serge</mods:namePart>
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<mods:affiliation id="40EDC5ECC675124AC7F7B296B44897CA">University of Yaounde 1, Laboratory of Hydrobiology and Environment BP: 812, Yaounde, Cameroon</mods:affiliation>
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<mods:typeOfResource id="01307E912854593E5E43970D2A2EE968">text</mods:typeOfResource>
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<mods:titleInfo id="1EC51850CABAEC6E0926D7343F90603F">
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<mods:title id="920E92298E5259E6CCC9B688A55463AB">Subterranean Biology</mods:title>
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<mods:part id="A68F7DA0C233B6B2B475F42E588C23EA">
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<mods:date id="3CB2614751FF810D9ED6BD16F6AB52C5">2021</mods:date>
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<mods:number id="E9B452DA7AF6C73AD6BB9ADE437C0673">2021-12-03</mods:number>
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<mods:detail id="771262900F86AEA42561FAA8DE8C1178" type="volume">
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<mods:number id="F9E3CEC75EEE3EA680154C7C0BC36703">40</mods:number>
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<mods:start id="0FB9B71AB0DAF50EC0D717274FCA2E8A">175</mods:start>
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<mods:end id="AC81D7531D3685B53B93EE87823B687F">194</mods:end>
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<mods:url id="64332EE662D89A2D2B925FABAA899889">http://dx.doi.org/10.3897/subtbiol.40.76301</mods:url>
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<mods:classification id="8454ED990EE72859E355FBF640E19ADF">journal article</mods:classification>
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<mods:identifier id="749D353B2E0098F1498CC0B1020AB57C" type="DOI">http://dx.doi.org/10.3897/subtbiol.40.76301</mods:identifier>
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<mods:identifier id="1070646A3A0E26497C5A9943D8661ECC" type="Pensoft-Pub">1314-2615-40-175</mods:identifier>
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<mods:identifier id="C8B16E91D3C314D872B023107D3FE9A9" type="ZooBank">96E9F621B1A943DBB18B34983DD72B4B</mods:identifier>
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<mods:identifier id="4B64AF2173D9B3910988238A43F72162" type="Pensoft-UUID">7ECFCC736B7B51B08ECFA632111DDE8F</mods:identifier>
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<treatment id="46CEDC899C2A5EB6AC2DB887D4D230AD" ID-GBIF-Taxon="190878095" LSID="urn:lsid:zoobank.org:act:B56F7FB4-8AE2-4B9A-8B26-8F4FDDF0E327" httpUri="http://treatment.plazi.org/id/46CEDC899C2A5EB6AC2DB887D4D230AD" lastPageNumber="175" pageId="0" pageNumber="175" scope_family="Stenasellidae" scope_order="Isopoda" scope_subOrder="Asellota" scope_superFamily="Aselloidea">
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<subSubSection id="AFB54693C11BBF844C8F379937BD20DE" pageId="0" pageNumber="175" type="nomenclature">
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<paragraph id="8503687ED3940A59863DC52A6A1CE10E" pageId="0" pageNumber="175">
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<taxonomicName id="12BB70A5C7676784D883173EBFE97EBC" LSID="http://zoobank.org/B56F7FB4-8AE2-4B9A-8B26-8F4FDDF0E327" authority="Pountougnigni, Piscart & Zebaze Togouet" authorityName="Pountougnigni, Piscart & Zebaze Togouet" authorityYear="2021" class="Malacostraca" family="Stenasellidae" genus="Metastenasellus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metastenasellus boutini" order="Isopoda" pageId="0" pageNumber="175" phylum="Arthropoda" rank="species" species="boutini" status="sp. nov.">Metastenasellus boutini Pountougnigni, Piscart & Zebaze Togouet</taxonomicName>
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<taxonomicNameLabel id="B76BF11E0D43402E21FB2F458BE8A1E6" pageId="0" pageNumber="175">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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||
<subSubSection id="92A6E32E157ABEE16C5557A2C1E689A0" pageId="0" pageNumber="175" type="diagnosis">
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<paragraph id="A61EA4FEBFBCA267C44C32E61F706471" pageId="0" pageNumber="175">Diagnosis.</paragraph>
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<paragraph id="60BE8A2801880BC71ABE806A2F95AEF1" pageId="0" pageNumber="175">
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<taxonomicName id="D60FE9C353163F854BC223F8982CA6EE" authorityName="Pountougnigni, Piscart & Zebaze Togouet" authorityYear="2021" class="Malacostraca" family="Stenasellidae" genus="Metastenasellus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metastenasellus boutini" order="Isopoda" pageId="0" pageNumber="175" phylum="Arthropoda" rank="species" species="boutini">
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<emphasis id="276D7FFF3E4EC839ABB2B14B8B51CF24" italics="true" pageId="0" pageNumber="175">Metastenasellus boutini</emphasis>
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</taxonomicName>
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n.sp. is characterized by pleonites 1 and 2 around 50% as long as pereonite 7, the presence of sternal spine on each dactylus of pereopods 2-7 and endopodite of pleopod 2 in males long and large with a helicoidal spermatic duct.
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</paragraph>
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</subSubSection>
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<subSubSection id="489C855BB3946281970034BF90EA1B04" pageId="0" pageNumber="175" type="materials_examined">
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<paragraph id="5DD8C7ABC27EF8C00142C42205FF7B01" pageId="0" pageNumber="175">Material examined.</paragraph>
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<paragraph id="ECB995FA65C8962A94480D315FBADA63" pageId="0" pageNumber="175">
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<emphasis id="9A2CD8062EEB795F3376517A1622D085" bold="true" pageId="0" pageNumber="175">
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Type-specimen:
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<materialsCitation id="485FF4FECCD4D59F6FBCCBAA9A211520" collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" country="France" location="Museum" municipality="d'Histoire Naturelle de Paris" specimenCount="♂" typeStatus="Holotype">
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<emphasis id="A71730CC996F2A80D73098B327DBD18C" italics="true" pageId="0" pageNumber="175">
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<typeStatus id="E91CDE49381DD27365BF7631C466E739">Holotype</typeStatus>
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</emphasis>
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<specimenCount id="9314C680444C0882CF54504B2F46D8DC">♂</specimenCount>
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(
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<quantity id="9FB2490B2FAB68AD7427E26D80DA9CA9" metricMagnitude="-3" metricUnit="m" metricValue="9.8" unit="mm" value="9.8">9.8 mm</quantity>
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), mounted on 2 slides and deposited at the
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<normalizedToken id="F634D6E6FA7451F42D82F64024E74212" originalValue="Muséum">
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<location id="8B74B4AAEBEAAF488B8E2FEB18B77633" LSID="urn:lsid:plazi:treatment:46CEDC899C2A5EB6AC2DB887D4D230AD:8B74B4AAEBEAAF488B8E2FEB18B77633" country="France" municipality="d'Histoire Naturelle de Paris" name="Museum">Museum</location>
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</normalizedToken>
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national
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<collectingMunicipality id="A95122CB76632B313B71DDE1D535318A">
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<normalizedToken id="C50D282B025C498D1204D1F9C1383E6B" originalValue="d’Histoire">d'Histoire</normalizedToken>
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Naturelle de Paris
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</collectingMunicipality>
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(MNHN,
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<collectingCountry id="C896D41048F62F1DE6C010A805B2F45D" name="France">France</collectingCountry>
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) under voucher number MNHN IU-2021-1818.
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</materialsCitation>
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</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection id="BA05C735A25DDD83B12D1D6A900EEDBF" pageId="0" pageNumber="175" type="type-locality">
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<paragraph id="E0D45B8248B9F1BC40250D5752D9740F" pageId="0" pageNumber="175">Type-locality.</paragraph>
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<paragraph id="B597209709136C56703B2C1701774611" pageId="0" pageNumber="175">
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Cameroon, in PK21 quarter, Douala city,
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<geoCoordinate id="8E4C16A3FBD1385976CC3020990D7590" degrees="04" direction="north" minutes="07" orientation="latitude" precision="15" seconds="16" value="4.1211114">04°07'16"N</geoCoordinate>
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;
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<geoCoordinate id="754C35EBEFF7EB4E0602E8D70178680F" degrees="09" direction="east" minutes="49" orientation="longitude" precision="1" seconds="41.4" value="9.828167">09°49'41.4"E</geoCoordinate>
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, in a well at 60 m a.s.l. and 8 m depth, 24 April 2021.
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<emphasis id="DD0AACAB4BBE5BF2722B17F1AFB5D635" bold="true" italics="true" pageId="0" pageNumber="175">Paratypes</emphasis>
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: 5 ♂♂ in vials; same data as for holotype; MNHN IU-2021-1819 • 3 ♀♀ in vials; same data as for holotype; MNHN IU-2021-1820.
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</paragraph>
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</subSubSection>
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<subSubSection id="1482320C2A9C85EDC0947B257E22D60E" pageId="0" pageNumber="175" type="materials_examined">
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<paragraph id="66C68BBAB268900A7A34B39A25B5BC64" pageId="0" pageNumber="175">Other material examined.</paragraph>
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<paragraph id="5DC79D3358DA90D06D55D92354EABAA7" pageId="0" pageNumber="175">
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<specimenCount id="C56C90EEF525E89A8F39E391BEC0AD8B" type="generic">22 specimens</specimenCount>
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collected in seven wells around the
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<typeStatus id="B1D0CD89E6C09EBD03BB52CF9CEEF953">type</typeStatus>
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locality (Table
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<tableCitation id="F7A5D969489AA1134611EAEA2DD7AC05" captionStart="Table 1" captionStartId="T1" captionText="Table 1. Location of wells sampled in the quarter PK 21 of Douala." httpUri="http://table.plazi.org/id/896040372DBE8C85B9C4F27F806ACBD8" pageId="0" pageNumber="175" tableUuid="896040372DBE8C85B9C4F27F806ACBD8">1</tableCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="6094EC177136B38D57B035373171FD6D" pageId="0" pageNumber="175" type="etymology">
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<paragraph id="E6DF6BA32D14E88DC5102A8F0C5B55D5" pageId="0" pageNumber="175">Etymology.</paragraph>
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<paragraph id="E28C7AA19CEC77E3B755C337492F5D96" pageId="0" pageNumber="175">
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The epithet
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<emphasis id="188B0DDE95B0E28E69124B998019C2E7" italics="true" pageId="0" pageNumber="175">boutini</emphasis>
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refers to the name of Dr. Claude Boutin who initiated many studies on stygofauna in northern and central Africa.
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</paragraph>
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</subSubSection>
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<subSubSection id="5FC98CEB05DB20B8AE405F44E81890C2" pageId="0" pageNumber="175" type="description">
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<paragraph id="14936CAA878FAC0A8BA20B7DC2378CC6" pageId="0" pageNumber="175">Description of male.</paragraph>
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<paragraph id="351C345B6D009965628AB9A2F38697CB" pageId="0" pageNumber="175">
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<taxonomicName id="0CECEC927E2112F7611963A03AA42CCD" class="Malacostraca" kingdom="Animalia" lsidName="M. boutini" order="Isopoda" pageId="0" pageNumber="175" phylum="Arthropoda" rank="species" species="boutini">
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<emphasis id="D822170EF50F707C300F8ED346B8FC49" italics="true" pageId="0" pageNumber="175">M. boutini</emphasis>
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</taxonomicName>
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sp. nov is a relatively medium-sized stenasellid, length up to 11 mm in males. Cephalon short and rounded with a concave rostral margin and convex distally. Pereonites 1 to 7 well developed, the 6th and 7th being the longest. Pleonites 1 and 2 free and as long as 50% of the length of the pereonite 7. Pleotelson subrectangular with a pointed caudal margin and partially covering the protopodite of the uropod.
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</paragraph>
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<paragraph id="1447D0ACC78B42DE140EA07D6F993BAC" pageId="0" pageNumber="175">
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Antenna 1 (Fig.
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<figureCitation id="19216D4B0E8902C208DA6DFC52ECB406" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Metastenasellus boutini sp. nov., (( A-H), ♂ holotype 9.8 mm) (A) habitus (scale 1) (B) antenna 1 (scale 2) (C) antenna 2 (scale 3) (D) left mandible (scale 4) (E) right mandible (scale 4) (F) maxilla 1 (scale 4) (G) maxilla 2 (scale 4) (H) maxilliped (scale 4)." figureDoi="10.3897/subtbiol.40.76301.figure1" httpUri="https://binary.pensoft.net/fig/618342" pageId="0" pageNumber="175">1B</figureCitation>
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) slightly longer than peduncle of antenna 2, flagellum with 12-15 articles, the last 6 bearing a single distal aesthetasc (
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<emphasis id="20364D60AFA1BF99979EBC8D096700A3" italics="true" pageId="0" pageNumber="175">lamina olfactoria</emphasis>
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), the first two articles of the peduncle are longer than the others and bear one and two sensory plumose setae, respectively. Antenna 2 (Fig.
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<figureCitation id="32F7D6187A71E64316685D81589DDBCD" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Metastenasellus boutini sp. nov., (( A-H), ♂ holotype 9.8 mm) (A) habitus (scale 1) (B) antenna 1 (scale 2) (C) antenna 2 (scale 3) (D) left mandible (scale 4) (E) right mandible (scale 4) (F) maxilla 1 (scale 4) (G) maxilla 2 (scale 4) (H) maxilliped (scale 4)." figureDoi="10.3897/subtbiol.40.76301.figure1" httpUri="https://binary.pensoft.net/fig/618342" pageId="0" pageNumber="175">1C</figureCitation>
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) around 30% of body length, 2.5 times as long as antenna 1, flagellum composed of a variable number of short articles (32 to 48 articles for specimens between 9 and 10 mm), peduncle articles 5 and 6 bearing one and two sensory setae, respectively; exopodite vestigial (
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<emphasis id="BC33ECADC2CA285B1BFF7F15B8A6A1F4" italics="true" pageId="0" pageNumber="175">squama</emphasis>
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) and scale-like on posterior margin of article 3 with a spine and a long simple seta on the apex. Mandibles asymmetrical, incisor processes with four teeth; left mandible (Fig.
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<figureCitation id="566220E44DDA716B8A8B4C5752835925" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Metastenasellus boutini sp. nov., (( A-H), ♂ holotype 9.8 mm) (A) habitus (scale 1) (B) antenna 1 (scale 2) (C) antenna 2 (scale 3) (D) left mandible (scale 4) (E) right mandible (scale 4) (F) maxilla 1 (scale 4) (G) maxilla 2 (scale 4) (H) maxilliped (scale 4)." figureDoi="10.3897/subtbiol.40.76301.figure1" httpUri="https://binary.pensoft.net/fig/618342" pageId="0" pageNumber="175">1D</figureCitation>
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) with a well-developed
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<emphasis id="C5EA3B39BF8644E548C101DC095D9B6D" italics="true" pageId="0" pageNumber="175">lacinia mobilis</emphasis>
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with four teeth, followed by a row of 18 serrate setae and 12 toothed setae; right mandible (Fig.
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<figureCitation id="15151E4AE86ACF00F9888676265FE6ED" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Metastenasellus boutini sp. nov., (( A-H), ♂ holotype 9.8 mm) (A) habitus (scale 1) (B) antenna 1 (scale 2) (C) antenna 2 (scale 3) (D) left mandible (scale 4) (E) right mandible (scale 4) (F) maxilla 1 (scale 4) (G) maxilla 2 (scale 4) (H) maxilliped (scale 4)." figureDoi="10.3897/subtbiol.40.76301.figure1" httpUri="https://binary.pensoft.net/fig/618342" pageId="0" pageNumber="175">1E</figureCitation>
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) with a shorter four-toothed
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<emphasis id="FDC1845A15564DED5C1E8470C305A5B7" italics="true" pageId="0" pageNumber="175">lacinia mobilis</emphasis>
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followed by a row of 18 serrate setae and 12 toothed setae; palp tri-articulated, the first article with one long simple distal seta, the second with two simple setae and ten single sided serrated setae, the last article has 12 single sided serrated setae, the two terminal ones being longer. Maxilla 1 (Fig.
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<figureCitation id="8B02A30F0967FC08613F5501DA2AB6AE" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Metastenasellus boutini sp. nov., (( A-H), ♂ holotype 9.8 mm) (A) habitus (scale 1) (B) antenna 1 (scale 2) (C) antenna 2 (scale 3) (D) left mandible (scale 4) (E) right mandible (scale 4) (F) maxilla 1 (scale 4) (G) maxilla 2 (scale 4) (H) maxilliped (scale 4)." figureDoi="10.3897/subtbiol.40.76301.figure1" httpUri="https://binary.pensoft.net/fig/618342" pageId="0" pageNumber="175">1F</figureCitation>
|
||
) endite clearly separated from exite with two groups of ciliated setae at the apex separated by one simple seta and four setules on external margin; exite with 12 apical serrated setae with one to six teeth and one ciliated seta. Maxilla 2 sympod (Fig.
|
||
<figureCitation id="234428BE9C014EF36BD1CCF2FC346004" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Metastenasellus boutini sp. nov., (( A-H), ♂ holotype 9.8 mm) (A) habitus (scale 1) (B) antenna 1 (scale 2) (C) antenna 2 (scale 3) (D) left mandible (scale 4) (E) right mandible (scale 4) (F) maxilla 1 (scale 4) (G) maxilla 2 (scale 4) (H) maxilliped (scale 4)." figureDoi="10.3897/subtbiol.40.76301.figure1" httpUri="https://binary.pensoft.net/fig/618342" pageId="0" pageNumber="175">1G</figureCitation>
|
||
) bearing on its medial margin 7 simple setae and one strong seta; endite with 14 ciliated setae at the apex, middle lobe with 7 ciliated setae and external exite with 5 ciliated setae. Maxilliped (Fig.
|
||
<figureCitation id="F9AD57DB0C4132BBA6121EBAFF1D5B0E" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Metastenasellus boutini sp. nov., (( A-H), ♂ holotype 9.8 mm) (A) habitus (scale 1) (B) antenna 1 (scale 2) (C) antenna 2 (scale 3) (D) left mandible (scale 4) (E) right mandible (scale 4) (F) maxilla 1 (scale 4) (G) maxilla 2 (scale 4) (H) maxilliped (scale 4)." figureDoi="10.3897/subtbiol.40.76301.figure1" httpUri="https://binary.pensoft.net/fig/618342" pageId="0" pageNumber="175">1H</figureCitation>
|
||
) endite bearing 4 plumose setae, 3 serrated setae, and a pair of coupling hooks on medial margin; palp 5-articulated, articles 2 and 3 distinctly longer and stronger than the other three, articles 1-5 bearing from base to apex 4, 9, 14, 14 and 2 simple setae on medial margin, article 4 with one additional simple seta on its external margin, article 5 with 10 apical simple setae.
|
||
</paragraph>
|
||
<caption id="2E3028C4AA6A2B5D60B8D18E32427378" doi="10.3897/subtbiol.40.76301.figure1" httpUri="https://binary.pensoft.net/fig/618342" pageId="0" pageNumber="175" start="Figure 1" startId="F1">
|
||
<paragraph id="3BAF3E74FBB2E387CE549375A7461885" pageId="0" pageNumber="175">
|
||
<emphasis id="D39E773F7EC715048D81C4F3E113C881" bold="true" pageId="0" pageNumber="175">Figure 1.</emphasis>
|
||
<taxonomicName id="4CE08A45466C5DC20398AAD48A999933" authorityName="Pountougnigni, Piscart & Zebaze Togouet" authorityYear="2021" class="Malacostraca" family="Stenasellidae" genus="Metastenasellus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metastenasellus boutini" order="Isopoda" pageId="0" pageNumber="175" phylum="Arthropoda" rank="species" species="boutini">
|
||
<emphasis id="A2DAF1B21B709818FDEB02321B84CDF6" italics="true" pageId="0" pageNumber="175">Metastenasellus boutini</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., ((
|
||
<emphasis id="4B396660273163A5FA78D1E2DE6A58EF" bold="true" pageId="0" pageNumber="175">A-H</emphasis>
|
||
), ♂ holotype 9.8 mm) (
|
||
<emphasis id="849D6FC2512BD4872E535CC1B4FBF323" bold="true" pageId="0" pageNumber="175">A</emphasis>
|
||
) habitus (scale 1) (
|
||
<emphasis id="DB45E001A41C401AC32B31E3151D9A19" bold="true" pageId="0" pageNumber="175">B</emphasis>
|
||
) antenna 1 (scale 2) (
|
||
<emphasis id="AB2B34FE7CD57925541431A2C23647CD" bold="true" pageId="0" pageNumber="175">C</emphasis>
|
||
) antenna 2 (scale 3) (
|
||
<emphasis id="58E73FF89C4EF0474DC11B663FC68DD3" bold="true" pageId="0" pageNumber="175">D</emphasis>
|
||
) left mandible (scale 4) (
|
||
<emphasis id="03D8749EEAC4FEB905C0ABAEA86DEA93" bold="true" pageId="0" pageNumber="175">E</emphasis>
|
||
) right mandible (scale 4) (
|
||
<emphasis id="A666E9E8589376A9FEBE7201B0C60E23" bold="true" pageId="0" pageNumber="175">F</emphasis>
|
||
) maxilla 1 (scale 4) (
|
||
<emphasis id="78D454291A0E4122B48781A556872B64" bold="true" pageId="0" pageNumber="175">G</emphasis>
|
||
) maxilla 2 (scale 4) (
|
||
<emphasis id="B98010EB13F524A53C93C56B989BB911" bold="true" pageId="0" pageNumber="175">H</emphasis>
|
||
) maxilliped (scale 4).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="D3701669AE4D4ADB0251CC08B922F5DE" pageId="0" pageNumber="175">
|
||
Gnathopod (pereopod 1) (Fig.
|
||
<figureCitation id="3A8939C66BB7BF0DE88B57A3F69119EA" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Metastenasellus boutini sp. nov., (( A-D) ♂ holotype 9.8 mm) (A) pereopod 1 (B) pereopod 2 (C) pereopod 3 (D) pereopod 4." figureDoi="10.3897/subtbiol.40.76301.figure2" httpUri="https://binary.pensoft.net/fig/618343" pageId="0" pageNumber="175">2A</figureCitation>
|
||
) short, powerful, and haptorial with a dense chaetotaxis and strongly armed on the ventral margin of the last four articles; basis with 8 short setae on the ventral margin; ischium subtrapezoidal and bearing two setae on each margin; merus and carpus subtriangular, bearing on the ventral margin 5 and 6 long setae, 2 and 7 pen-like setae, respectively, merus bearing 2 additional long and strong setae on its outer tip; propodus enlarged with simple setae alternating with 9 toothed setae and 4 strong proximal denticulated setae; dactylus armed with 7 toothed setae and few simple setae on its ventral margin and 8-10 simple setae on the dorsal margin.
|
||
</paragraph>
|
||
<caption id="6729E1E0F588059031A1412C4FF0F0BC" doi="10.3897/subtbiol.40.76301.figure2" httpUri="https://binary.pensoft.net/fig/618343" pageId="0" pageNumber="175" start="Figure 2" startId="F2">
|
||
<paragraph id="3AEBC8639394EA53237FD8AE5D5F5F0A" pageId="0" pageNumber="175">
|
||
<emphasis id="476D59A64D2C94BF730F4AEBA6B563D1" bold="true" pageId="0" pageNumber="175">Figure 2.</emphasis>
|
||
<taxonomicName id="FA189CE4A80EDB5F9A25D54B60CC6D29" authorityName="Pountougnigni, Piscart & Zebaze Togouet" authorityYear="2021" class="Malacostraca" family="Stenasellidae" genus="Metastenasellus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metastenasellus boutini" order="Isopoda" pageId="0" pageNumber="175" phylum="Arthropoda" rank="species" species="boutini">
|
||
<emphasis id="69C5281F1504422602346065D6B18D05" italics="true" pageId="0" pageNumber="175">Metastenasellus boutini</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., ((
|
||
<emphasis id="3F175BD46CC574FAA2D7680810A1AF9C" bold="true" pageId="0" pageNumber="175">A-D</emphasis>
|
||
) ♂ holotype 9.8 mm) (
|
||
<emphasis id="3FF679E0D76D371CD72B7E30D5F0B66A" bold="true" pageId="0" pageNumber="175">A</emphasis>
|
||
) pereopod 1 (
|
||
<emphasis id="0DD5BB931CF1D0A0188AB35DF0DEC309" bold="true" pageId="0" pageNumber="175">B</emphasis>
|
||
) pereopod 2 (
|
||
<emphasis id="373066EFA58940978D6FFF9CCE03BDAF" bold="true" pageId="0" pageNumber="175">C</emphasis>
|
||
) pereopod 3 (
|
||
<emphasis id="19E64C7EC86913A608ACB667C29FC1F2" bold="true" pageId="0" pageNumber="175">D</emphasis>
|
||
) pereopod 4.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="60CF582337848AB442B0557868AD987A" pageId="0" pageNumber="175">
|
||
Pereopods 2 to 7 (Fig.
|
||
<figureCitation id="24C6675956F756F6E77FC444510C3753" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Metastenasellus boutini sp. nov., (( A-D) ♂ holotype 9.8 mm) (A) pereopod 1 (B) pereopod 2 (C) pereopod 3 (D) pereopod 4." figureDoi="10.3897/subtbiol.40.76301.figure2" httpUri="https://binary.pensoft.net/fig/618343" pageId="0" pageNumber="175">2B-D</figureCitation>
|
||
; Fig.
|
||
<figureCitation id="4E3C0AB6FA0E75ABA487EDAA10AFCFE8" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Metastenasellus boutini sp. nov., (( A-C) ♂ holotype 9.8 mm) (A), pereopod 5 (B) pereopod 6 (C) pereopod 7." figureDoi="10.3897/subtbiol.40.76301.figure3" httpUri="https://binary.pensoft.net/fig/618344" pageId="0" pageNumber="175">3</figureCitation>
|
||
) typically ambulatory, slender, and rather long, with a more or less developed chaetotaxis and a similar morphology with sensorial setae on dorsal margin of the basis, a strong armature of all articles with spines of various sizes and few setae, one strong sternal spine on each dactylus; pereopod 2 (Fig.
|
||
<figureCitation id="B283F9C7A7D1D942E3A992789A1408EF" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Metastenasellus boutini sp. nov., (( A-D) ♂ holotype 9.8 mm) (A) pereopod 1 (B) pereopod 2 (C) pereopod 3 (D) pereopod 4." figureDoi="10.3897/subtbiol.40.76301.figure2" httpUri="https://binary.pensoft.net/fig/618343" pageId="0" pageNumber="175">2B</figureCitation>
|
||
) and 6 (Fig.
|
||
<figureCitation id="CE6109A6F993D8D36B2190D8085AC1D6" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Metastenasellus boutini sp. nov., (( A-C) ♂ holotype 9.8 mm) (A), pereopod 5 (B) pereopod 6 (C) pereopod 7." figureDoi="10.3897/subtbiol.40.76301.figure3" httpUri="https://binary.pensoft.net/fig/618344" pageId="0" pageNumber="175">3B</figureCitation>
|
||
) also bearing a sensorial seta on the distal part of dorsal margin of the propodus and carpus, respectively.
|
||
</paragraph>
|
||
<caption id="05C0B49C8B190515247CBB367B82D8F5" doi="10.3897/subtbiol.40.76301.figure3" httpUri="https://binary.pensoft.net/fig/618344" pageId="0" pageNumber="175" start="Figure 3" startId="F3">
|
||
<paragraph id="EDA567E5DDEED210AC28A1CB7DC3246F" pageId="0" pageNumber="175">
|
||
<emphasis id="87AE57C5B3A474CED925DA3D2511E7AA" bold="true" pageId="0" pageNumber="175">Figure 3.</emphasis>
|
||
<taxonomicName id="074983B32E8D08C978B6470B093F792F" authorityName="Pountougnigni, Piscart & Zebaze Togouet" authorityYear="2021" class="Malacostraca" family="Stenasellidae" genus="Metastenasellus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metastenasellus boutini" order="Isopoda" pageId="0" pageNumber="175" phylum="Arthropoda" rank="species" species="boutini">
|
||
<emphasis id="F3A4172F20DE81CE9B1BF6DE35773294" italics="true" pageId="0" pageNumber="175">Metastenasellus boutini</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., ((
|
||
<emphasis id="198272E7EA3F88CD084DE12910596A2E" bold="true" pageId="0" pageNumber="175">A-C</emphasis>
|
||
) ♂ holotype 9.8 mm) (
|
||
<emphasis id="9819239483B10FA5250F8B8816651943" bold="true" pageId="0" pageNumber="175">A</emphasis>
|
||
), pereopod 5 (
|
||
<emphasis id="510B58A3A6B52C6231C7F0D6B73D37B4" bold="true" pageId="0" pageNumber="175">B</emphasis>
|
||
) pereopod 6 (
|
||
<emphasis id="32D9396E2BF815C1589ACB2AC0AC83DD" bold="true" pageId="0" pageNumber="175">C</emphasis>
|
||
) pereopod 7.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="D4A37FF564B4B5FA1B5BE3A4A8E4424B" pageId="0" pageNumber="175">
|
||
Pleopod 1 (Fig.
|
||
<figureCitation id="F20FF3842F26C636F0EDB7A52CBD8744" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Metastenasellus boutini sp. nov., (( A-B, D-G) ♂ holotype 9.8 mm (C) ♀ paratype 8 mm) (A) pleopod 1 (scale 1) (B) pleopod 2 (scale 1) (C) ♀ pleopod 2 (scale 1) (D) pleopod 3 (scale 2) (E) pleopod 4 (scale 1) (F) pleopod 5 (scale 1) (G), uropod (scale 2)." figureDoi="10.3897/subtbiol.40.76301.figure4" httpUri="https://binary.pensoft.net/fig/618345" pageId="0" pageNumber="175">4A</figureCitation>
|
||
) uniramous; propodus subrectangular and convex on its external margin, glabrous and without retinacula; exopodite oval, 2.5 times as long as wide with 17 distal setae, the 5 medial ones being the longest. Pleopod 2 (Fig.
|
||
<figureCitation id="49D01639AFA6AA5E069B99CD5A1618A5" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Metastenasellus boutini sp. nov., (( A-B, D-G) ♂ holotype 9.8 mm (C) ♀ paratype 8 mm) (A) pleopod 1 (scale 1) (B) pleopod 2 (scale 1) (C) ♀ pleopod 2 (scale 1) (D) pleopod 3 (scale 2) (E) pleopod 4 (scale 1) (F) pleopod 5 (scale 1) (G), uropod (scale 2)." figureDoi="10.3897/subtbiol.40.76301.figure4" httpUri="https://binary.pensoft.net/fig/618345" pageId="0" pageNumber="175">4B</figureCitation>
|
||
) biramous, rami clearly separated; protopodite subpentagonal with an oblique distal part and a developed process on the external margin, slightly overreaching the first segment of the exopodite; endopodite biarticulated, proximal article not clearly delimited and ankylosed to the second one, second article highly developed, fusiform and twisted, containing a helicoidal spermatic channel with a large proximal-internal afferent opening and a smaller distal efferent orifice, surrounded by chitinous teeth; exopodite, narrower than endopodite, biarticulate with a rounded second article, larger than the first article with one subterminal seta and 2 or 3 marginal external setae. Pleopod 3 (Fig.
|
||
<figureCitation id="7E0D208994872EE836CEC178FB943A47" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Metastenasellus boutini sp. nov., (( A-B, D-G) ♂ holotype 9.8 mm (C) ♀ paratype 8 mm) (A) pleopod 1 (scale 1) (B) pleopod 2 (scale 1) (C) ♀ pleopod 2 (scale 1) (D) pleopod 3 (scale 2) (E) pleopod 4 (scale 1) (F) pleopod 5 (scale 1) (G), uropod (scale 2)." figureDoi="10.3897/subtbiol.40.76301.figure4" httpUri="https://binary.pensoft.net/fig/618345" pageId="0" pageNumber="175">4D</figureCitation>
|
||
) with a very short protopodite; endopodite smaller than the first article of the exopodite and biarticulated, with the second article, larger, distally oval; exopodite also biarticulated, first article long and subrectangular, bearing on its external margin 12 setae of varying size; second article subtriangular, shorter than the first one and bearing 4 simple proximal setae on its external margin and 4 apical setae. Pleopod 4 (Fig.
|
||
<figureCitation id="7C2AEF17BAF515A350BF98BE0F36F689" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Metastenasellus boutini sp. nov., (( A-B, D-G) ♂ holotype 9.8 mm (C) ♀ paratype 8 mm) (A) pleopod 1 (scale 1) (B) pleopod 2 (scale 1) (C) ♀ pleopod 2 (scale 1) (D) pleopod 3 (scale 2) (E) pleopod 4 (scale 1) (F) pleopod 5 (scale 1) (G), uropod (scale 2)." figureDoi="10.3897/subtbiol.40.76301.figure4" httpUri="https://binary.pensoft.net/fig/618345" pageId="0" pageNumber="175">4E</figureCitation>
|
||
) with a short protopodite; endopodite biarticulated with the second article more than 3 times longer than the first one; exopodite large, glabrous, with very oblique interarticular suture, first article much larger and longer than the second one. Pleopod 5 (Fig.
|
||
<figureCitation id="5FB9F886C37F518DDF00DE23ED5F5BBC" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Metastenasellus boutini sp. nov., (( A-B, D-G) ♂ holotype 9.8 mm (C) ♀ paratype 8 mm) (A) pleopod 1 (scale 1) (B) pleopod 2 (scale 1) (C) ♀ pleopod 2 (scale 1) (D) pleopod 3 (scale 2) (E) pleopod 4 (scale 1) (F) pleopod 5 (scale 1) (G), uropod (scale 2)." figureDoi="10.3897/subtbiol.40.76301.figure4" httpUri="https://binary.pensoft.net/fig/618345" pageId="0" pageNumber="175">4F</figureCitation>
|
||
) with a subrectangular protopodite; endopodite biarticulated with the second article more than 4 times as long as the first one; exopodite biarticulated, slightly longer than endopodite; first article short, second article much larger and longer than the first one. Uropod (Fig.
|
||
<figureCitation id="BA8DBA0AA509ED38B50EDC7D0A59B682" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Metastenasellus boutini sp. nov., (( A-B, D-G) ♂ holotype 9.8 mm (C) ♀ paratype 8 mm) (A) pleopod 1 (scale 1) (B) pleopod 2 (scale 1) (C) ♀ pleopod 2 (scale 1) (D) pleopod 3 (scale 2) (E) pleopod 4 (scale 1) (F) pleopod 5 (scale 1) (G), uropod (scale 2)." figureDoi="10.3897/subtbiol.40.76301.figure4" httpUri="https://binary.pensoft.net/fig/618345" pageId="0" pageNumber="175">4G</figureCitation>
|
||
) biramous as long as the pleotelson; protopodite subrectangular with dorsal and marginal setae; endopodite slightly longer than exopodite, both with numerous setae and spines and with several long apical setae; sensorial setae present only on the endopodite.
|
||
</paragraph>
|
||
<caption id="2977F040AE04546A32A912A6A55BD949" doi="10.3897/subtbiol.40.76301.figure4" httpUri="https://binary.pensoft.net/fig/618345" pageId="0" pageNumber="175" start="Figure 4" startId="F4">
|
||
<paragraph id="AA394AEC9545DA58AE3D10BDC8790869" pageId="0" pageNumber="175">
|
||
<emphasis id="9A3B9B7E8EE6139B49117A9728E4092F" bold="true" pageId="0" pageNumber="175">Figure 4.</emphasis>
|
||
<taxonomicName id="DBDF8B0DDC873B4FF09820F861432E5A" authorityName="Pountougnigni, Piscart & Zebaze Togouet" authorityYear="2021" class="Malacostraca" family="Stenasellidae" genus="Metastenasellus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metastenasellus boutini" order="Isopoda" pageId="0" pageNumber="175" phylum="Arthropoda" rank="species" species="boutini">
|
||
<emphasis id="9B7B37CBDB4A485C36B3CBFA60FE77E5" italics="true" pageId="0" pageNumber="175">Metastenasellus boutini</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., ((
|
||
<emphasis id="BF92242868DD5026D0870A50955785BD" bold="true" pageId="0" pageNumber="175">A-B, D-G</emphasis>
|
||
) ♂ holotype 9.8 mm (
|
||
<emphasis id="2BF80AEA9C50276EA7BDEA147E27B49C" bold="true" pageId="0" pageNumber="175">C</emphasis>
|
||
) ♀ paratype 8 mm) (
|
||
<emphasis id="83A660FE94767776F3BE1EB5342FDD52" bold="true" pageId="0" pageNumber="175">A</emphasis>
|
||
) pleopod 1 (scale 1) (
|
||
<emphasis id="E653465EC5632BA0B398A9C46B44AE4C" bold="true" pageId="0" pageNumber="175">B</emphasis>
|
||
) pleopod 2 (scale 1) (
|
||
<emphasis id="5ACE2AE2CB4E4E8D7B5546392140A091" bold="true" pageId="0" pageNumber="175">C</emphasis>
|
||
) ♀ pleopod 2 (scale 1) (
|
||
<emphasis id="F479AB62FFACC6A24858AEE48E1BE0A8" bold="true" pageId="0" pageNumber="175">D</emphasis>
|
||
) pleopod 3 (scale 2) (
|
||
<emphasis id="AA5110DAF6732A1252D62D01F7E4E63B" bold="true" pageId="0" pageNumber="175">E</emphasis>
|
||
) pleopod 4 (scale 1) (
|
||
<emphasis id="F735DB1B3620FEAE6E4D98201466E746" bold="true" pageId="0" pageNumber="175">F</emphasis>
|
||
) pleopod 5 (scale 1) (
|
||
<emphasis id="D17099E67D5154CE25161DDB665562CC" bold="true" pageId="0" pageNumber="175">G</emphasis>
|
||
), uropod (scale 2).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="85D4188FB0FB70135D83BD191047B673" pageId="0" pageNumber="175">
|
||
<emphasis id="88D8897E1E981BD401165DD8EBDF117E" bold="true" pageId="0" pageNumber="175">Female.</emphasis>
|
||
Females are very similar to males with a reduced chaetotaxis on uropods. They are slightly longer than males, size up to 12 mm. Pleopod 2 (Fig.
|
||
<figureCitation id="5E88F02B15E05C78D0C3D3AB4FE11EF4" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Metastenasellus boutini sp. nov., (( A-B, D-G) ♂ holotype 9.8 mm (C) ♀ paratype 8 mm) (A) pleopod 1 (scale 1) (B) pleopod 2 (scale 1) (C) ♀ pleopod 2 (scale 1) (D) pleopod 3 (scale 2) (E) pleopod 4 (scale 1) (F) pleopod 5 (scale 1) (G), uropod (scale 2)." figureDoi="10.3897/subtbiol.40.76301.figure4" httpUri="https://binary.pensoft.net/fig/618345" pageId="0" pageNumber="175">4C</figureCitation>
|
||
) typical of female
|
||
<taxonomicName id="C57B1321F14344084D6BB2438E7806FE" authorityName="Magniez" authorityYear="1966" class="Malacostraca" family="Stenasellidae" genus="Metastenasellus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metastenasellus" order="Isopoda" pageId="0" pageNumber="175" phylum="Arthropoda" rank="genus">
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<emphasis id="50408168FDD76A154B56E67FD4207009" italics="true" pageId="0" pageNumber="175">Metastenasellus</emphasis>
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</taxonomicName>
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formed by two single sub-triangular plates, with external and distal angles rounded. The lateral and apical margins of plates varied from concave to convex and bear few setae (0 to 3) each. Left and right pleopodal plates joined over 10% of their proximal part and are well separated on their distal part. Each plate bearing several (5-10) small ventral setae.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |