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<document ID-DOI="http://dx.doi.org/10.3897/zse.99.103003" ID-Pensoft-Pub="1860-0743-2-423" ID-Pensoft-UUID="63B9DC36F52C5FEEA5ADD00CA079394D" ID-ZooBank="CFCE08BC6C7347EA807DEB9C3F2547E5" ModsDocID="1860-0743-99-2-423" checkinTime="1696476058948" checkinUser="pensoft" docAuthor="Segadilha, Juliana Lopes, Bird, Graham &amp; Tavares, Marcos" docDate="2023" docId="10397355C51F598FB90B438E8AF64817" docLanguage="en" docName="ZoosystEvol 99(2): 423-437" docOrigin="Zoosystematics and Evolution 99 (2)" docPubDate="2023-10-04" docSource="http://dx.doi.org/10.3897/zse.99.103003" docTitle="Stenotanais uropedon Segadilha &amp; Bird &amp; Tavares 2023, sp. nov." docType="treatment" docUuid="0EA50F8D-E7F1-434D-A5A1-ED2E28B86E43" docUuidSource="ZooBank" docVersion="1" id="63B9DC36F52C5FEEA5ADD00CA079394D" lastPageNumber="423" masterDocId="63B9DC36F52C5FEEA5ADD00CA079394D" masterDocTitle="Stenotanais (Crustacea, Tanaidacea) from the Santos Basin: the first described species of the family Akanthophoreidae off the Brazilian coast" masterLastPageNumber="437" masterPageNumber="423" pageNumber="423" updateTime="1696476058948" updateUser="pensoft">
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<mods:title id="4DA1EB140B53A4D14C6C6372B4D153C5">Stenotanais (Crustacea, Tanaidacea) from the Santos Basin: the first described species of the family Akanthophoreidae off the Brazilian coast</mods:title>
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<mods:namePart id="7EEEAE5D94F948D9E6A0E999E865F370">Segadilha, Juliana Lopes</mods:namePart>
<mods:nameIdentifier id="43ADD7AA8674694FF3AEB7506B14AF73" type="ORCID">https://orcid.org/0000-0002-1933-097X</mods:nameIdentifier>
<mods:affiliation id="2B3D42A9CC4CCCFA3732ABFDA42686A0">Museu de Zoologia, Universidade de Sao Paulo, Sao Paulo-SP, 04263 - 000, Brazil</mods:affiliation>
<mods:nameIdentifier id="5ED5054EBC943F1A977CA710583338CA" type="email">julianasegadilha@gmail.com</mods:nameIdentifier>
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<mods:namePart id="EF1CCD9CB7E3595D2F7C1344E51B19DF">Bird, Graham</mods:namePart>
<mods:nameIdentifier id="2C12860450B5A0269B33F171F0980614" type="ORCID">https://orcid.org/0000-0002-7518-9149</mods:nameIdentifier>
<mods:affiliation id="BA7D53C94B5DCCF1E2C7194C46F694B0">Waikanae, Kapiti, New Zealand</mods:affiliation>
</mods:name>
<mods:name id="1789B9C93364F917742C3D93BAB70ADF" type="personal">
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<mods:namePart id="16662C3B1E56C89C9785EEE244043112">Tavares, Marcos</mods:namePart>
<mods:nameIdentifier id="58F933D34080885ADEC0DE17E27166E6" type="ORCID">https://orcid.org/0000-0002-7186-5787</mods:nameIdentifier>
<mods:affiliation id="8E9EAF63EC9A56754D54EC51B0356486">Museu de Zoologia, Universidade de Sao Paulo, Sao Paulo-SP, 04263 - 000, Brazil</mods:affiliation>
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<mods:typeOfResource id="BEBA25B2480AD8A5744E14FD1E1A6DCD">text</mods:typeOfResource>
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<mods:title id="8194F9100B54A539EE2073EE90B86B8D">Zoosystematics and Evolution</mods:title>
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<mods:date id="F3C7547DDECE284C8BDC82EEE994EE64">2023</mods:date>
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<mods:number id="E9E445216EB0B24D2BD8160FDEE2CFA9">2023-10-04</mods:number>
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<mods:number id="F0EDD23109EF5B84C05D3A3C9C1E08DE">99</mods:number>
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<treatment id="10397355C51F598FB90B438E8AF64817" LSID="urn:lsid:zoobank.org:act:0EA50F8D-E7F1-434D-A5A1-ED2E28B86E43" httpUri="http://treatment.plazi.org/id/10397355C51F598FB90B438E8AF64817" lastPageNumber="423" pageId="0" pageNumber="423">
<subSubSection id="3D40EEBB0DB51D091A713C12B7C19EB1" pageId="0" pageNumber="423" type="nomenclature">
<paragraph id="A8952E5F5A84A0857A8A9EC84D32A35B" pageId="0" pageNumber="423">
<taxonomicName id="1184BA46DA023C4463A60517AE19255D" LSID="https://zoobank.org/0EA50F8D-E7F1-434D-A5A1-ED2E28B86E43" authority="Segadilha &amp; Bird &amp; Tavares, 2023" authorityName="Segadilha &amp; Bird &amp; Tavares" authorityYear="2023" class="Malacostraca" family="Akanthophoreidae" genus="Stenotanais" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stenotanais uropedon" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="uropedon" status="sp. nov.">Stenotanais uropedon</taxonomicName>
<taxonomicNameLabel id="C572368303FDC465D4B6E68B295A864C" pageId="0" pageNumber="423">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="BA01D1BBFC86905E7599AA468CF966EE" pageId="0" pageNumber="423" type="description">
<paragraph id="2FDB51FD3A0C0CCDA6A8DF57D244290B" pageId="0" pageNumber="423">
<figureCitation id="FC4FE8595FE8CAABC7FE1E55D620C379" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">Figs 5</figureCitation>
<figureCitation id="1CE68A65AC74DF4DC866595A9511A6D7" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A. Maxilliped; B. Cheliped; C. Uropod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure6" httpUri="https://binary.pensoft.net/fig/916460" pageId="0" pageNumber="423">, 6</figureCitation>
<figureCitation id="043DD5B3C49166986D17B3CEF7446A30" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A-F. Pereopods 1 - 6; G. Pleopod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure7" httpUri="https://binary.pensoft.net/fig/916461" pageId="0" pageNumber="423">, 7</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="7CD9A5AC3605A0F9801C47944E4081A5" pageId="0" pageNumber="423" type="materials_examined">
<paragraph id="743B87C21B188544EEABB833FD900D04" pageId="0" pageNumber="423">Material examined.</paragraph>
<paragraph id="116726BB143B3F4E79051F7A47BBDCE9" pageId="0" pageNumber="423">
<materialsCitation id="5D43BFA6E7FBD4AF5AFDCDAFECACAF7C" collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" country="Brazil" location="Sao Paulo State" specimenCount="1" stateProvince="Sao Paulo State" typeStatus="Holotype">
<emphasis id="FA40AC563D2C2BE04BFADBB6DA407FF7" bold="true" italics="true" pageId="0" pageNumber="423">
<typeStatus id="C72ED67EBFF373C4E22D77F487C69366">Holotype</typeStatus>
</emphasis>
:
<collectingCountry id="896E88966EFDC745F4C926CE59104150" name="Brazil">Brazil</collectingCountry>
-
<collectingRegion id="CF9511D58949C90FBD1DBA0A895F522C" country="Brazil" name="Sao Paulo">
<normalizedToken id="A9AFDBBA1F3C08BD50BEFDDED3113A6C" originalValue="São">Sao</normalizedToken>
Paulo State
</collectingRegion>
• neuter, length 1.7 mm; stn D10 R
<quantity id="9029D99F79E81329B0436DDA9A344131" metricMagnitude="-2" metricUnit="m" metricValue="6.75" metricValueMax="10.0" metricValueMin="3.5" unit="cm" value="6.75" valueMax="10.0" valueMin="3.5">3, 5-10 cm</quantity>
; MZUSP 43581.
</materialsCitation>
</paragraph>
<paragraph id="CD8D56BC02EDFB46C53006D0A14FE2BA" pageId="0" pageNumber="423">
<materialsCitation id="25419149CE74061EADA390A337840D5C" collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" country="Brazil" location="Rio de Janeiro State" specimenCount="1" stateProvince="Rio de Janeiro State" typeStatus="Paratypes">
<emphasis id="B06184E2C4483B7013515E0E7E6F570C" bold="true" italics="true" pageId="0" pageNumber="423">
<typeStatus id="833EF17DE9165BAB092F91190F3C9A77">Paratypes</typeStatus>
</emphasis>
:
<collectingCountry id="3C0C9B6F693485A54D1D3FDB82AABA70" name="Brazil">Brazil</collectingCountry>
-
<collectingRegion id="6474FBBB3D4FA84CD03B8EE209CC3392" country="Brazil" name="Rio de Janeiro">Rio de Janeiro State</collectingRegion>
• 1 neuter (dissected), length 1.7 mm; stn P10 R
<quantity id="B42BB7C46751B97FC47C76A52C6CACDD" metricMagnitude="-2" metricUnit="m" metricValue="6.75" metricValueMax="10.0" metricValueMin="3.5" unit="cm" value="6.75" valueMax="10.0" valueMin="3.5">3, 5-10 cm</quantity>
; MZUSP 43582
</materialsCitation>
-
<collectingRegion id="C792C8B07D92F6D895ECD2CF0940979B" country="Brazil" name="Santa Catarina">Santa Catarina State</collectingRegion>
• 1 neuter; stn A8 R1,
<quantity id="076CE0A57BE3B62CA2B52A958ADCF3B2" metricMagnitude="-2" metricUnit="m" metricValue="1.0" metricValueMax="2.0" metricValueMin="0.0" unit="cm" value="1.0" valueMax="2.0" valueMin="0.0">0-2 cm</quantity>
; MZUSP 43583 -
<collectingRegion id="DFD46F970039ACE8EDA0786CB12CCE6B" country="Brazil" name="Parana">
<normalizedToken id="B22D2A44F8C16427837679085232EA79" originalValue="Paraná">Parana</normalizedToken>
State
</collectingRegion>
• 1 neuter; stn B9 R
<quantity id="6013AAA0F3B6A22FC94076B3E0978249" metricMagnitude="-2" metricUnit="m" metricValue="5.75" metricValueMax="10.0" metricValueMin="1.5" unit="cm" value="5.75" valueMax="10.0" valueMin="1.5">1, 5-10 cm</quantity>
; MZUSP 43584 • 1 neuter; stn B9 R
<quantity id="39A829AAF54D5B8B2FBAC0DAA8AEDB3D" metricMagnitude="-2" metricUnit="m" metricValue="6.75" metricValueMax="10.0" metricValueMin="3.5" unit="cm" value="6.75" valueMax="10.0" valueMin="3.5">3, 5-10 cm</quantity>
; MZUSP 43585 -
<collectingRegion id="F5E2C4806EDC4D0F3F5DB21D5AE9868E" country="Brazil" name="Sao Paulo">
<normalizedToken id="143086B6423AB018DE195B93EF1EFEBA" originalValue="São">Sao</normalizedToken>
Paulo State
</collectingRegion>
• 1 neuter; stn C8 R
<quantity id="57FFFC31C5DDB09187791EAFB5982E07" metricMagnitude="-2" metricUnit="m" metricValue="3.1" metricValueMax="5.0" metricValueMin="1.2" unit="cm" value="3.1" valueMax="5.0" valueMin="1.2">1, 2-5 cm</quantity>
(dissected); MZUSP 43586 • 1 neuter; stn E8 R1,
<quantity id="6AFA78EBEB4E60A9C5037CE75915AC49" metricMagnitude="-2" metricUnit="m" metricValue="1.0" metricValueMax="2.0" metricValueMin="0.0" unit="cm" value="1.0" valueMax="2.0" valueMin="0.0">0-2 cm</quantity>
; MZUSP 43587 • 1 neuter; stn E8 R
<quantity id="FD14BEAD5D9CB766B88BD1BBF75F2505" metricMagnitude="-2" metricUnit="m" metricValue="4.1" metricValueMax="5.0" metricValueMin="3.2" unit="cm" value="4.1" valueMax="5.0" valueMin="3.2">3, 2-5 cm</quantity>
; MZUSP 43588 • 1 neuter; stn E10 R
<quantity id="90C154E0AD8015E779B1369E18C83060" metricMagnitude="-2" metricUnit="m" metricValue="3.6" metricValueMax="5.0" metricValueMin="2.2" unit="cm" value="3.6" valueMax="5.0" valueMin="2.2">2, 2-5 cm</quantity>
; MZUSP 43589 • 1 neuter; stn E10 R
<quantity id="7315A03112AA75D3F1176E979D0221D7" metricMagnitude="-2" metricUnit="m" metricValue="6.75" metricValueMax="10.0" metricValueMin="3.5" unit="cm" value="6.75" valueMax="10.0" valueMin="3.5">3, 5-10 cm</quantity>
; MZUSP 43590. -
<materialsCitation id="362571363FFB7B1B757582A6DCF734A3" collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" country="Brazil" location="Rio de Janeiro State" specimenCount="2" specimenCount-juvenile="2" stateProvince="Rio de Janeiro State" typeStatus="paratype">
<collectingRegion id="D5CE0FEC733B636B555FEF27334E9E7B" country="Brazil" name="Rio de Janeiro">Rio de Janeiro State</collectingRegion>
<specimenCount id="2DCD02934D6E9E7B7719A029AF391C37" type="juvenile">1 juvenile</specimenCount>
; stn F8 R2,
<quantity id="744D6C97A7E85077D879EFCD0BB20A1F" metricMagnitude="-2" metricUnit="m" metricValue="1.0" metricValueMax="2.0" metricValueMin="0.0" unit="cm" value="1.0" valueMax="2.0" valueMin="0.0">0-2 cm</quantity>
; MZUSP 43591 • 1 neuter; stn F8 R
<quantity id="691E32C6B7F85BDE205800311E214D09" metricMagnitude="-2" metricUnit="m" metricValue="3.6" metricValueMax="5.0" metricValueMin="2.2" unit="cm" value="3.6" valueMax="5.0" valueMin="2.2">2, 2-5 cm</quantity>
; MZUSP 43592 • 1 neuter; stn F9 R
<quantity id="11EB8CA6E1F43ED2C876D6498610B322" metricMagnitude="-2" metricUnit="m" metricValue="4.1" metricValueMax="5.0" metricValueMin="3.2" unit="cm" value="4.1" valueMax="5.0" valueMin="3.2">3, 2-5 cm</quantity>
; MZUSP 43593 • 2 neuters; stn G9 R1,
<quantity id="C744817A088BB42BDEA2F88DA60E69ED" metricMagnitude="-2" metricUnit="m" metricValue="1.0" metricValueMax="2.0" metricValueMin="0.0" unit="cm" value="1.0" valueMax="2.0" valueMin="0.0">0-2 cm</quantity>
; MZUSP 43594 •
<specimenCount id="D5EF01CEC3B0478ABDEF3687425CFA35" type="juvenile">1 juvenile</specimenCount>
; stn P3 R
<quantity id="1553EFAE737694E8859B46DF67DD18EE" metricMagnitude="-2" metricUnit="m" metricValue="3.6" metricValueMax="5.0" metricValueMin="2.2" unit="cm" value="3.6" valueMax="5.0" valueMin="2.2">2, 2-5 cm</quantity>
; MZUSP 43595
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="B2CB8818C6140BFB85ADEB8C8E3F2258" pageId="0" pageNumber="423" type="diagnosis">
<paragraph id="330E1C1D2F672D8117F75CBAC9B01734" pageId="0" pageNumber="423">Diagnosis.</paragraph>
<paragraph id="4240BEA4C87E17D9A4A54B8BAD695E90" pageId="0" pageNumber="423">
Neuter. Cheliped fixed finger with two simple setae and one spine on cutting edge and a nearby spine on the distolateral margin of the propodal palm. Pereopods 2-3 carpus with long spine, longer than half length of propodus. Uropod endopod oar-shaped, with article-2 broad and flattened; exopod short, 0.3
<normalizedToken id="BBD69E85A6A524371054B8E5BB35FF5A" originalValue="×">x</normalizedToken>
of endopod length; both rami without specialised articulated setae.
</paragraph>
</subSubSection>
<subSubSection id="E68037503397FC4A044FB54978EBA488" pageId="0" pageNumber="423" type="etymology">
<paragraph id="9A86E97F76A67D70234685E9CEF2E360" pageId="0" pageNumber="423">Etymology.</paragraph>
<paragraph id="F413139AC43A30D3103A615B0AC27E1C" pageId="0" pageNumber="423">
From the Greek
<normalizedToken id="2CE718691A0C5D46402FA8B477AB816D" originalValue="pedon">'pedon'</normalizedToken>
(noun), meaning 'oar,
<normalizedToken id="4B2B9200FB5F32D47D444F17774806B4" originalValue="rudder">rudder'</normalizedToken>
; alluding to the shape of uropod endopod. The name is a noun in apposition with the generic name.
</paragraph>
</subSubSection>
<subSubSection id="421E997B48C80BBB96D6B10545BE01FA" pageId="0" pageNumber="423" type="description">
<paragraph id="A6E02860823B2F5DCAB2F181C06CF97F" pageId="0" pageNumber="423">Description.</paragraph>
<paragraph id="D41E1831B4153F9C6D0BE5FEF22826F7" pageId="0" pageNumber="423">
Based on neuter holotype (MZUSP 43581) length 1.7 mm and dissected neuter paratype (MZUSP 43582) length 1.7 mm. Body (Fig.
<figureCitation id="3A616B015E82CEF625FFE7D8DB228F97" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5A</figureCitation>
) slender, about 8.5
<normalizedToken id="8CC6F8D951B1D59CDCC753FEC4BB3BD4" originalValue="×">x</normalizedToken>
L:W. Cephalothorax elongate 1.7
<normalizedToken id="769BAC7259267ED67F948297846C6BB4" originalValue="×">x</normalizedToken>
L:W, 1.7
<normalizedToken id="074038084FC385AE7D7B9E15533B5B95" originalValue="×">x</normalizedToken>
pereonite-1, straight-sided, naked. Pereonites 1-6. All pereonites rectangular, parallel-sided; pereonite-1 0.8
<normalizedToken id="36F41C071730D08C7902A16F85490E48" originalValue="×">x</normalizedToken>
L:W; pereonite-2 1.3
<normalizedToken id="DD09E0166C8432962651094D328ACB8F" originalValue="×">x</normalizedToken>
L:W; pereonites 3-4 1.2
<normalizedToken id="35C009F8DB30043AD2F097E0566A5A2D" originalValue="×">x</normalizedToken>
L:W; pereonite-5 square, as long as wide; pereonite-6 shortest, 0.5
<normalizedToken id="E4D23FC30901A2BE2A8986C34D8D8F36" originalValue="×">x</normalizedToken>
L:W. Pleon (Fig.
<figureCitation id="2DE7B10F3B0C715A206A0246546EFBAF" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5A, B</figureCitation>
) short, 0.1
<normalizedToken id="F2ED711E055B3A3BFB33C4348D1040A7" originalValue="×">x</normalizedToken>
TBL, about as long as pereonites 5 and 6 combined, with five subequal pleonites, with one minute seta on lateral margins. Pleotelson (Fig.
<figureCitation id="3E8364C725F4B6FBB580EB2D0247F38D" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5B</figureCitation>
) trapezoidal about 0.7
<normalizedToken id="EEE2E0829A369C6ECA106A4EC6C6BC50" originalValue="×">x</normalizedToken>
L:W, 0.4
<normalizedToken id="0D4C4ABC397BEE409F30180FCE551F97" originalValue="×">x</normalizedToken>
pleon, with pointed posterior margin bearing two pairs of simple setae and one of PSS distally.
</paragraph>
<caption id="5911E46D437154453B203AE7BBD008B5" doi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423" start="Figure 5" startId="F5">
<paragraph id="C1C6876B8752A75F7BC733893CCECC03" pageId="0" pageNumber="423">
<emphasis id="0F7866B3F61DC319FDE68AE81278359D" bold="true" pageId="0" pageNumber="423">Figure 5.</emphasis>
<taxonomicName id="839039B04011FD20AE441488EA3765A5" authorityName="Segadilha &amp; Bird &amp; Tavares" authorityYear="2023" class="Malacostraca" family="Akanthophoreidae" genus="Stenotanais" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stenotanais uropedon" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="uropedon">
<emphasis id="858F583340D6BB0EB56A40D00FED5C69" italics="true" pageId="0" pageNumber="423">Stenotanais uropedon</emphasis>
</taxonomicName>
sp. nov.
<emphasis id="EAAE535664F7273352524DA440C525B2" bold="true" pageId="0" pageNumber="423">A.</emphasis>
Holotype, neuter (MZUSP 43581), lateral view;
<emphasis id="861507C049405D50400329D195B05A67" bold="true" pageId="0" pageNumber="423">B.</emphasis>
Pleotelson and uropods, dorsal view;
<emphasis id="42DAFBC3A9BDE0C7BCEEC18E8BE22C0B" bold="true" pageId="0" pageNumber="423">C.</emphasis>
Antennule;
<emphasis id="DCF00D8F9F463E529B02497253F06085" bold="true" pageId="0" pageNumber="423">D.</emphasis>
Antenna;
<emphasis id="70727AA855A3D901DCD409F9D489F1D6" bold="true" pageId="0" pageNumber="423">E.</emphasis>
Labrum;
<emphasis id="0A17EC971E76A5F96907E0ACD50EE067" bold="true" pageId="0" pageNumber="423">F.</emphasis>
Left mandible (incisor);
<emphasis id="A6AFBD87303FBFFD2F6EF11A858B2299" bold="true" pageId="0" pageNumber="423">G.</emphasis>
Right mandible (incisor);
<emphasis id="8882CEFA982A1881F2D5098F63F04A02" bold="true" pageId="0" pageNumber="423">H.</emphasis>
Maxillule;
<emphasis id="03B69A1B498FBB5888BE208AE69259FC" bold="true" pageId="0" pageNumber="423">I.</emphasis>
Maxilla;
<emphasis id="2520D661E266F146868F196B8446567D" bold="true" pageId="0" pageNumber="423">J.</emphasis>
Labium. Scale bars: 1.0 mm (
<emphasis id="E122307DB0170CFC01F3AFD4AAB0454B" bold="true" pageId="0" pageNumber="423">A</emphasis>
); 0.1 mm (
<emphasis id="CA7510CEBC57D54E407802ADF391B713" bold="true" pageId="0" pageNumber="423">B-J</emphasis>
).
</paragraph>
</caption>
<paragraph id="AB005DD92E084EA7F09DB8DC722970F1" pageId="0" pageNumber="423">
<emphasis id="BB267C7816541D0ACCDF230A41F87A67" bold="true" italics="true" pageId="0" pageNumber="423">Antennule</emphasis>
(Fig.
<figureCitation id="BC6207C9A6706A47B4283B047BD4AD4A" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5C</figureCitation>
) 0.6
<normalizedToken id="DBE6382605C2A5088E0F35547B3C4FA7" originalValue="×">x</normalizedToken>
cephalothorax; article-1 0.5
<normalizedToken id="DFEAB854A191A3C7261D74147413DD07" originalValue="×">x</normalizedToken>
TL, 1.9
<normalizedToken id="411B6628E4AA47FD251F128147A1D0B1" originalValue="×">x</normalizedToken>
L:W, with three middle PSS and one simple and two PSS distally; article-2 1.6
<normalizedToken id="7559979752F5DCC67B657AE4788D3C28" originalValue="×">x</normalizedToken>
L:W, 0.6
<normalizedToken id="BAEA0980351E3A6BF01BDF4A28C26925" originalValue="×">x</normalizedToken>
article-1, with two simple (one long and one minute) and two distal PSS; article-3 1.1
<normalizedToken id="11D12D697EFA4F897A315869E1DFB0CA" originalValue="×">x</normalizedToken>
L:W, 0.5
<normalizedToken id="4EDD7C0D443CF07CB09FE0459033558D" originalValue="×">x</normalizedToken>
article-2, with simple subdistal seta; article-4 2.4
<normalizedToken id="D543D4F4581B90C28B0F3A7C262F363B" originalValue="×">x</normalizedToken>
L:W, 1.5
<normalizedToken id="7DFF0099D8E2796B0A207D548647D3C3" originalValue="×">x</normalizedToken>
article-3, with aesthetasc and six simple terminal setae. Antenna (Fig.
<figureCitation id="0EE46FFB6B281E3982347693E7DD030D" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5D</figureCitation>
) article-1 fused with body; article-2 0.8
<normalizedToken id="3640DFD1D4A5A6D544CA77D841A7EEAB" originalValue="×">x</normalizedToken>
L:W, with one simple distal seta; article-3 1.3
<normalizedToken id="E89AB06BE877B74BC6B3A2AC7246F469" originalValue="×">x</normalizedToken>
L:W, naked; article-4 2.7
<normalizedToken id="56D01449B7EB3B4B2159A269772B8FF6" originalValue="×">x</normalizedToken>
L:W, 1.9
<normalizedToken id="A45E356C5EC247771072A3A2A1EEF453" originalValue="×">x</normalizedToken>
article-3, with one simple medial seta and three simple setae and two distal PSS; article-5 3.0
<normalizedToken id="742976A58AFC5F8797F501E6F4DBE2E9" originalValue="×">x</normalizedToken>
L:W, 0.7
<normalizedToken id="A5EB9DEAC1C2B0BC1086BC5AE92E02E1" originalValue="×">x</normalizedToken>
article-4, with one distal seta; article-6 minute with five simple terminal setae.
</paragraph>
<paragraph id="F12EBA5EF281DF5101FD8BC19D08FBF6" pageId="0" pageNumber="423">
<emphasis id="19417513E585343DBC09F7E60A832290" bold="true" italics="true" pageId="0" pageNumber="423">Labrum</emphasis>
(Fig.
<figureCitation id="DB64FB46A907A27B54082DD2D3D21321" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5E</figureCitation>
) large, hood-shaped, covered by minute setae on lateral and distal margins. Mandible (Figs
<figureCitation id="98EAEFB2DFA3E7E4C17746A67329ED32" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5F, G</figureCitation>
) broken during dissection; left mandible (Fig.
<figureCitation id="9B8B9C2B2AD549305E3FA9D6B94FE73F" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5F</figureCitation>
) with incisor smooth; right mandible (Fig.
<figureCitation id="5D65F43956ECE7C2CB785F70185ADAB5" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5G</figureCitation>
) with at least two teeth on incisor process, molar broken off during dissection. Maxillule (Fig.
<figureCitation id="7A5312E115EB104BE3D9CC8D15141460" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5H</figureCitation>
) endite with eight terminal spines (at least two serrate), outer margin with setules; palp broken off during dissection. Maxilla (Fig.
<figureCitation id="1561E53391518ED4C91FA63F00758F89" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5I</figureCitation>
) ovoid and stout, with one side wider, but large relative to maxilliped. Labium (Fig.
<figureCitation id="92708ED435567FDD72CBAEDA0A75001E" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Stenotanais uropedon sp. nov. A. Holotype, neuter (MZUSP 43581), lateral view; B. Pleotelson and uropods, dorsal view; C. Antennule; D. Antenna; E. Labrum; F. Left mandible (incisor); G. Right mandible (incisor); H. Maxillule; I. Maxilla; J. Labium. Scale bars: 1.0 mm (A); 0.1 mm (B-J)." figureDoi="10.3897/zse.99.103003.figure5" httpUri="https://binary.pensoft.net/fig/916459" pageId="0" pageNumber="423">5J</figureCitation>
) with distal corner finely setose.
</paragraph>
<paragraph id="07EF1BA6815B454B3E338A7D42F6B54F" pageId="0" pageNumber="423">
<emphasis id="A6B97F13AD7D953D3E2DF8ED25EB6149" bold="true" italics="true" pageId="0" pageNumber="423">Maxilliped</emphasis>
(Fig.
<figureCitation id="BFA7233C4D6469E14033C420114759F9" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A. Maxilliped; B. Cheliped; C. Uropod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure6" httpUri="https://binary.pensoft.net/fig/916460" pageId="0" pageNumber="423">6A</figureCitation>
) basis with simple seta near articulation with palps, not reaching distal margin of endites; endites unfused, divided into three lobe-like structures, with one seta on distal edge; palp article-1 naked; article-2 with three inner (at least one serrate) and one outer setae; article-3 with three (two long, at least one serrate) inner setae; article-4 with four inner setae and one subdistal outer seta. Epignath not observed.
</paragraph>
<caption id="59306EFB00FB80EA0ECBE4A0F5286F8E" doi="10.3897/zse.99.103003.figure6" httpUri="https://binary.pensoft.net/fig/916460" pageId="0" pageNumber="423" start="Figure 6" startId="F6">
<paragraph id="349CD01DD0B97C2140B1B1E23404542D" pageId="0" pageNumber="423">
<emphasis id="99F4420C8CDA53BD5F452D913D563430" bold="true" pageId="0" pageNumber="423">Figure 6.</emphasis>
<taxonomicName id="57126AB2D31A50F9D45CCBFE6C483221" authorityName="Segadilha &amp; Bird &amp; Tavares" authorityYear="2023" class="Malacostraca" family="Akanthophoreidae" genus="Stenotanais" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stenotanais uropedon" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="uropedon">
<emphasis id="020A0D22AD69D06253DF37EF60AEC5A6" italics="true" pageId="0" pageNumber="423">Stenotanais uropedon</emphasis>
</taxonomicName>
sp. nov. Paratype, neuter dissected (MZUSP 43582).
<emphasis id="377D1716FB8D70D660203C7E2DF67771" bold="true" pageId="0" pageNumber="423">A.</emphasis>
Maxilliped;
<emphasis id="05601E62C9E96212486B011AEB481BD1" bold="true" pageId="0" pageNumber="423">B.</emphasis>
Cheliped;
<emphasis id="5FFB05FE44B9E79AA05AE18BDFC79189" bold="true" pageId="0" pageNumber="423">C.</emphasis>
Uropod. Scale bars: 0.1 mm.
</paragraph>
</caption>
<paragraph id="A87D04FFE7A4AFCCFC7CC8E672FA0068" pageId="0" pageNumber="423">
<emphasis id="B7CE80B38467E6CE432DAFCF44A78384" bold="true" italics="true" pageId="0" pageNumber="423">Cheliped</emphasis>
(Fig.
<figureCitation id="06E0D31A5B18157427BE63FDB16C41ED" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A. Maxilliped; B. Cheliped; C. Uropod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure6" httpUri="https://binary.pensoft.net/fig/916460" pageId="0" pageNumber="423">6B</figureCitation>
) calcified; basis attached to cephalothorax by large sclerite with dorsodistal setae; basis with long posterior lobe, not reaching pereonite-1, 3.9
<normalizedToken id="F24C4A926DD819A42D5C33CAD553D9F8" originalValue="×">x</normalizedToken>
L:W; merus subtriangular, with one ventral seta; carpus stout 1.4
<normalizedToken id="DEBBD6E0BA88AC35A4D28F41F32D9A54" originalValue="×">x</normalizedToken>
L:W, with one ventral seta and one proximal and one dorsodistal setae, carpal shield well developed; propodus stout 0.9
<normalizedToken id="C47D79A1EA352E8D4B2AED9436B6046C" originalValue="×">x</normalizedToken>
carpus, 1.6
<normalizedToken id="F07599DECC169DDC1D493B5F1D94CF0E" originalValue="×">x</normalizedToken>
L:W, with an outer spine and five setae near dactylus insertion on inner side; fixed finger with two strong serrate spines ventrally; cutting edge with two simple setae and one spine; dactylus slightly shorter than fixed finger.
</paragraph>
<paragraph id="0A58EF6CAC6AB953A7669EFB614147E1" pageId="0" pageNumber="423">
<emphasis id="E89501D5B6B542C1B72BD8874B54D751" bold="true" italics="true" pageId="0" pageNumber="423">Pereopod-1</emphasis>
(Fig.
<figureCitation id="20C316649102DD473251A1E957A17FDF" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A-F. Pereopods 1 - 6; G. Pleopod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure7" httpUri="https://binary.pensoft.net/fig/916461" pageId="0" pageNumber="423">7A</figureCitation>
) coxa with small seta; basis broad 1.8
<normalizedToken id="33AECBCC30B9DE47EF631E6960716300" originalValue="×">x</normalizedToken>
L:W, naked; ischium with seta; merus 1.3
<normalizedToken id="96A3DB81C14791CC31E5E879F71A3AD4" originalValue="×">x</normalizedToken>
L:W, with ventrodistal seta and long serrate spine not reaching carpus distal margin; carpus 1.2
<normalizedToken id="43C39F2069C5876E8517ECFB30D2E2F4" originalValue="×">x</normalizedToken>
L:W, about as long as merus, with ventrodistal long serrate spine, dorsodistal spine and ventral spinules; propodus 2.2
<normalizedToken id="27C7077C9AB0533CA23BE60DBA5168F2" originalValue="×">x</normalizedToken>
L:W, 1.6
<normalizedToken id="38BB0B6C02BC66EC772E4ED24B540498" originalValue="×">x</normalizedToken>
carpus, with convex inferior margin with ventrodistal spine and microtrichia, one dorsodistal minute seta; dactylus 1.3
<normalizedToken id="CEDF973D0591722B2FC0BA1F5DC0E862" originalValue="×">x</normalizedToken>
unguis; together 0.8
<normalizedToken id="FCC49F1220D0E8D84E5B35E1C0BA7242" originalValue="×">x</normalizedToken>
propodus.
</paragraph>
<caption id="6A1AF2D66007CDD62B2797CBD96C2FFE" doi="10.3897/zse.99.103003.figure7" httpUri="https://binary.pensoft.net/fig/916461" pageId="0" pageNumber="423" start="Figure 7" startId="F7">
<paragraph id="102E7A5296FDD3CF15D0852CB3795370" pageId="0" pageNumber="423">
<emphasis id="A2D6865229C4156B9BA9B4841DE88D5F" bold="true" pageId="0" pageNumber="423">Figure 7.</emphasis>
<taxonomicName id="CBF7FD821FAA4C6A4EBEB7040273A4D6" authorityName="Segadilha &amp; Bird &amp; Tavares" authorityYear="2023" class="Malacostraca" family="Akanthophoreidae" genus="Stenotanais" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stenotanais uropedon" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="uropedon">
<emphasis id="DEE6BA18C1850B0E5ACA27F496C32AD6" italics="true" pageId="0" pageNumber="423">Stenotanais uropedon</emphasis>
</taxonomicName>
sp. nov. Paratype, neuter dissected (MZUSP 43582).
<emphasis id="876E02ABA36FF5825B2E5B6BA4A7F5FA" bold="true" pageId="0" pageNumber="423">A-F.</emphasis>
Pereopods 1-6;
<emphasis id="0A0F15B7813560E4258B9855A5F46A8B" bold="true" pageId="0" pageNumber="423">G.</emphasis>
Pleopod. Scale bars: 0.1 mm.
</paragraph>
</caption>
<paragraph id="42329CADDB4983288D03C11ED7D5A488" pageId="0" pageNumber="423">
<emphasis id="65E3B088F7B2F5571846E81E891751A2" bold="true" italics="true" pageId="0" pageNumber="423">Pereopod-2</emphasis>
(Fig.
<figureCitation id="F6D3B690FC47632357AEACCC7D4811E5" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A-F. Pereopods 1 - 6; G. Pleopod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure7" httpUri="https://binary.pensoft.net/fig/916461" pageId="0" pageNumber="423">7B</figureCitation>
) coxa with a small seta (not drawn); basis broad 1.7
<normalizedToken id="5E40D019A4C04CBFE3A5BCD6123868E1" originalValue="×">x</normalizedToken>
L:W, with large dorsal PSS; ischium with one seta; merus 1.1
<normalizedToken id="682621DCA2583F976B2D916F29E68CC2" originalValue="×">x</normalizedToken>
L:W, with a ventrodistal seta and long serrate spine almost reaching carpus distal margin; carpus about as long as wide, about as long as merus, with ventral spinules, two unequal ventrodistal spines (one about half length of propodus) and dorsodistal spine; propodus 2.1
<normalizedToken id="DCDBB61CB4A27159D1621DF7487087F5" originalValue="×">x</normalizedToken>
L:W, 1.6
<normalizedToken id="AC250AF8579E3627AD4C9F596E7B3240" originalValue="×">x</normalizedToken>
carpus, with convex inferior margin with ventrodistal spine and microtrichia, one mid-dorsal simple seta and one dorsodistal minute seta; dactylus 1.1
<normalizedToken id="2EEC805FD31DEE60C6DD712696EA32ED" originalValue="×">x</normalizedToken>
unguis, with one seta; together 0.7
<normalizedToken id="61B296F45C4172A098CC4AA1B03C449B" originalValue="×">x</normalizedToken>
propodus.
</paragraph>
<paragraph id="F0AD98B4D2C5B33AC0B018995DB8C8E6" pageId="0" pageNumber="423">
<emphasis id="66122FBC3A103AC398018A7F50328E2E" bold="true" italics="true" pageId="0" pageNumber="423">Pereopod-3</emphasis>
(Fig.
<figureCitation id="3D46C18CBBE269B8B377649168D43641" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A-F. Pereopods 1 - 6; G. Pleopod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure7" httpUri="https://binary.pensoft.net/fig/916461" pageId="0" pageNumber="423">7C</figureCitation>
) similar to pereopod-2, except basis 1.9
<normalizedToken id="7B001BFAF49864B99B3B1E091913C2D2" originalValue="×">x</normalizedToken>
L:W, naked; dactylus 1.4
<normalizedToken id="FD11AAE0BA0A9DEFCAB894591436B42C" originalValue="×">x</normalizedToken>
unguis, naked.
</paragraph>
<paragraph id="287ADE6F4CBDE0AB50FD782D78CDDAFD" pageId="0" pageNumber="423">
<emphasis id="4D1A3C13BD42F8C9CCF1AA9D0C030C59" bold="true" italics="true" pageId="0" pageNumber="423">Pereopod-4</emphasis>
(Fig.
<figureCitation id="1EB4A204DAD20D6CC7D53DDEF4A66D2F" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A-F. Pereopods 1 - 6; G. Pleopod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure7" httpUri="https://binary.pensoft.net/fig/916461" pageId="0" pageNumber="423">7D</figureCitation>
) basis about 2.3
<normalizedToken id="2C6D8A89CEF8F1FD0D4D513820AC374D" originalValue="×">x</normalizedToken>
L:W, with large ventral PSS; ischium with two long setae; merus 1.3
<normalizedToken id="A756F174BE5625BBCDAC43DA62A9140C" originalValue="×">x</normalizedToken>
L:W, with two ventrodistal serrate spines; carpus 1.8
<normalizedToken id="B41E294143A4475862AC4AFE527A357E" originalValue="×">x</normalizedToken>
L:W, with one seta and three (one long and two short) distal spines; propodus stout 2.4
<normalizedToken id="BED2DF59AAF68D889FA75B55B6B4FCC3" originalValue="×">x</normalizedToken>
L:W, with two ventrodistal spines and one robust and one minute dorsodistal setae; dactylus long with double row of ventral spines, 2.4
<normalizedToken id="68D62D9F918B8223386F28F68734AFCB" originalValue="×">x</normalizedToken>
unguis, together 1.1
<normalizedToken id="7F5B8B7BAB98840679EC0DB6B6CEC272" originalValue="×">x</normalizedToken>
propodus.
</paragraph>
<paragraph id="3B875312E2580FE487B4B03C4F22ADA6" pageId="0" pageNumber="423">
<emphasis id="F11598DD8B53636FA60BABE2B8B61F6C" bold="true" italics="true" pageId="0" pageNumber="423">Pereopod-5</emphasis>
(Fig.
<figureCitation id="03526E200A1EB3C79D19BB95B4096F9B" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A-F. Pereopods 1 - 6; G. Pleopod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure7" httpUri="https://binary.pensoft.net/fig/916461" pageId="0" pageNumber="423">7E</figureCitation>
) similar to pereopod-4, except basis 1.8
<normalizedToken id="27C7E4A558369B33368B877709B65BA2" originalValue="×">x</normalizedToken>
L:W; ischium with two long setae (only one drawn); carpus 1.2
<normalizedToken id="937B887438BA3197AC1C32D80EF5436A" originalValue="×">x</normalizedToken>
L:W, with three distal spines; propodus 2.2
<normalizedToken id="969381AEB4CF81D696D297D10B7D5A2B" originalValue="×">x</normalizedToken>
L:W.
</paragraph>
<paragraph id="50B976A9CCBDC5BAD699EFC69F8F6AE8" pageId="0" pageNumber="423">
<emphasis id="2CBB1E9D1C26BDA3F369899571DB5D81" bold="true" italics="true" pageId="0" pageNumber="423">Pereopod-6</emphasis>
(Fig.
<figureCitation id="03E00CD8587DE69FF6B2B0E4CE191FF7" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A-F. Pereopods 1 - 6; G. Pleopod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure7" httpUri="https://binary.pensoft.net/fig/916461" pageId="0" pageNumber="423">7F</figureCitation>
) similar to pereopod-5, except basis 2.7
<normalizedToken id="8F832C085117750E9B65771625AFD443" originalValue="×">x</normalizedToken>
L:W, naked; merus 1.4
<normalizedToken id="27B589DA02393787B09F88696863B8F5" originalValue="×">x</normalizedToken>
L:W; carpus 1.7
<normalizedToken id="9785F1BA329C039836D9C32244C58E58" originalValue="×">x</normalizedToken>
L:W; propodus 2.6
<normalizedToken id="424629020529815AFA1B5B9A129BAF93" originalValue="×">x</normalizedToken>
L:W, with three robust dorsodistal setae; dactylus with larger ventral spines, 2.6
<normalizedToken id="B129E56E7BE6A0E071F0993DAEC485C1" originalValue="×">x</normalizedToken>
unguis.
</paragraph>
<paragraph id="BFD48F5368C60639CF69293B8E857563" pageId="0" pageNumber="423">
<emphasis id="157E537EDD62A7439C853CEC4779842C" bold="true" italics="true" pageId="0" pageNumber="423">Pleopod</emphasis>
(Fig.
<figureCitation id="EC4CE0EB9AC6389D9DF761D53B4EED65" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A-F. Pereopods 1 - 6; G. Pleopod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure7" httpUri="https://binary.pensoft.net/fig/916461" pageId="0" pageNumber="423">7G</figureCitation>
) basal article naked; exopod with at least seven plumose setae on outer margin and one seta on inner margin; endopod with at least ten plumose setae and one more robust proximal seta on outer margin, large gap between most proximal.
</paragraph>
<paragraph id="0658F97C7BB1806A44E0EC5F43E546BB" pageId="0" pageNumber="423">
<emphasis id="EAB0C8CE9B6838261F7E382D0422FA29" bold="true" italics="true" pageId="0" pageNumber="423">Uropod</emphasis>
(Fig.
<figureCitation id="375578D6F56236C935E1F8ED341613E3" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Stenotanais uropedon sp. nov. Paratype, neuter dissected (MZUSP 43582). A. Maxilliped; B. Cheliped; C. Uropod. Scale bars: 0.1 mm." figureDoi="10.3897/zse.99.103003.figure6" httpUri="https://binary.pensoft.net/fig/916460" pageId="0" pageNumber="423">6C</figureCitation>
) rami reflexed; basis 1.4
<normalizedToken id="2E2CFD518D3E0414302C8A77BFFDBF2B" originalValue="×">x</normalizedToken>
L:W, 0.6
<normalizedToken id="82734326DF3BE468962064BC5A4AABC0" originalValue="×">x</normalizedToken>
pleotelson, naked; exopod one-articled, 0.3
<normalizedToken id="A5AC2660D421DFFF9608105BB18918FC" originalValue="×">x</normalizedToken>
endopod, with medial seta and tipped by two stout and one simple setae; endopod two-articled; article-1 with one distal seta; article-2 oar-shaped, with one long medial seta and two PSS and four simple distal setae.
</paragraph>
</subSubSection>
<subSubSection id="D5661D1AB8D3672014B5351AD9CCCAFF" pageId="0" pageNumber="423" type="type locality">
<paragraph id="3DA4BD7B4B466828D95B76C464036E00" pageId="0" pageNumber="423">Type locality.</paragraph>
<paragraph id="80787F3A393E024A40740D5980F4834A" pageId="0" pageNumber="423">
<normalizedToken id="7E61B8CED00F410D7CA8F8E44C09629C" originalValue="São">Sao</normalizedToken>
Paulo State, Brazil; stn D10 R3,
<geoCoordinate id="81A3012C8605F1A781835A7C8908769B" degrees="25,94725395" direction="south" orientation="latitude" precision="1" value="-25.947254">-25,94725395</geoCoordinate>
,
<geoCoordinate id="789DACEE529481AFD40AA01C89F0042A" degrees="44,83425777" direction="west" orientation="longitude" precision="1" value="-44.83426">-44,83425777</geoCoordinate>
(1906 m).
</paragraph>
</subSubSection>
<subSubSection id="B8A287E1084A76C51AA1AF591C6AB916" pageId="0" pageNumber="423" type="distribution">
<paragraph id="D2CE858AB5A54433974BA25E3CF711B4" pageId="0" pageNumber="423">Distribution.</paragraph>
<paragraph id="3A996B2D561E1D112D9BCA8CD2E89E14" pageId="0" pageNumber="423">
Brazil: Santos Basin (Rio de Janeiro,
<normalizedToken id="2D5BA4F323AD216D7D6BBC4CAE34F0D9" originalValue="São">Sao</normalizedToken>
Paulo,
<normalizedToken id="C074F720D40743CD0174BC17C89B07FB" originalValue="Paraná">Parana</normalizedToken>
and Santa Catarina States). Occurring on the lower slopes and the
<normalizedToken id="937D58418C119AED8871E53489FDA094" originalValue="São">Sao</normalizedToken>
Paulo Plateau area, ranging from depths of 991-1974 m. Twenty-two individuals of this species were collected, with 41% of them found in the 5-10 cm sediment layer (i.e. up to 50-60
<normalizedToken id="181C7E9760833EB5402A3C58D712FAA2" originalValue="×">x</normalizedToken>
their body length) and 32% at a depth of 2-5 cm.
</paragraph>
</subSubSection>
<subSubSection id="FF0A4BD432BB53E2B95C18A6D83BE83E" pageId="0" pageNumber="423" type="remarks">
<paragraph id="D612AC820EB0A81ACC60EFE59AD16826" pageId="0" pageNumber="423">Remarks.</paragraph>
<paragraph id="BBE8369182C07047F0EACD031797F36B" pageId="0" pageNumber="423">
This new species resembles
<taxonomicName id="51F3F4718F28A4951AF13F1EC55165D2" class="Malacostraca" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="S. hamicauda" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="hamicauda">
<emphasis id="B8242491FC94993D4BABA605D42A57E2" italics="true" pageId="0" pageNumber="423">S. hamicauda</emphasis>
</taxonomicName>
from the NE Atlantic by the oar-shaped uropod, but is different from it by: (1) cheliped fixed finger with two simple setae and one spine on cutting edge (three simple setae in
<taxonomicName id="7A34BEF3F12A4315BFBBC59FF58F6735" class="Malacostraca" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="S. hamicauda" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="hamicauda">
<emphasis id="B02F340C1B8F4AC8289583616BDDE0D5" italics="true" pageId="0" pageNumber="423">S. hamicauda</emphasis>
</taxonomicName>
); (2) pereopods 1-3 dactylus 1.3
<normalizedToken id="37BD25D8B2FEFE3D5613DDF3D23BC162" originalValue="×">x</normalizedToken>
unguis (about as long as in
<taxonomicName id="261613439BB38E5BAE4FDA160EAC221E" class="Malacostraca" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="S. hamicauda" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="hamicauda">
<emphasis id="2948FF3176155DE4BDB5151A187069B4" italics="true" pageId="0" pageNumber="423">S. hamicauda</emphasis>
</taxonomicName>
); (3) uropod endopod oar-shaped (in
<taxonomicName id="057F0DE50EF399FBFA764B8892BE3B18" class="Malacostraca" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="S. hamicauda" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="hamicauda">
<emphasis id="00D8793AFE781744CB4D9EE28BF75EDB" italics="true" pageId="0" pageNumber="423">S. hamicauda</emphasis>
</taxonomicName>
the exopod is oar-shaped); and (4) exopod short, 0.3
<normalizedToken id="0504D5796DAED5066C5C2A23CD50E0B4" originalValue="×">x</normalizedToken>
endopod length (in
<taxonomicName id="949252F778CC7AAE57EC52A8A5CD10AF" class="Malacostraca" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="S. hamicauda" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="hamicauda">
<emphasis id="CB87B8BFB28181651D0DECFCD9786026" italics="true" pageId="0" pageNumber="423">S. hamicauda</emphasis>
</taxonomicName>
exopod reaching about 0.8
<normalizedToken id="FC51190B04D848E88A4AC635783BA02E" originalValue="×">x</normalizedToken>
endopod length).
</paragraph>
<paragraph id="8E9AF27478AD86D837900097B34075D5" pageId="0" pageNumber="423">
<taxonomicName id="9C5D94A1DDAEE9812D50FC9B6D3FF1CC" authorityName="Segadilha &amp; Bird &amp; Tavares" authorityYear="2023" class="Malacostraca" family="Akanthophoreidae" genus="Stenotanais" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stenotanais uropedon" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="uropedon">
<emphasis id="DF53E62746409FDC3622AF740461E39B" italics="true" pageId="0" pageNumber="423">Stenotanais uropedon</emphasis>
</taxonomicName>
sp. nov. differs from
<taxonomicName id="A8491F995B9AEA8FF2C1207120EDAC29" class="Malacostraca" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="S. leonardoi" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="leonardoi">
<emphasis id="BE4587AC55E7BA25E5029BCDAB175BE4" italics="true" pageId="0" pageNumber="423">S. leonardoi</emphasis>
</taxonomicName>
by its oar-shaped uropod endopod, with the article-2 broad and flattened (with short exopod, 0.3
<normalizedToken id="A54A93F7280C1D9255D8F694DF1E3362" originalValue="×">x</normalizedToken>
endopod), whereas in
<taxonomicName id="00A882799BEE2146B526E8113D559583" class="Malacostraca" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="S. leonardoi" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="leonardoi">
<emphasis id="0C1116434B5DAEEE42B11315AF34EB14" italics="true" pageId="0" pageNumber="423">S. leonardoi</emphasis>
</taxonomicName>
, the exopod is slightly wider than the endopod (0.7
<normalizedToken id="017E8701D0E5D99762D79533931AB1E3" originalValue="×">x</normalizedToken>
endopod). Additionally,
<taxonomicName id="90C2B2F822DE14372DAB7F56D56D3BE9" class="Malacostraca" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="S. uropedon" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="uropedon">
<emphasis id="5424762983BA18E7724EEEC2C8358B5B" italics="true" pageId="0" pageNumber="423">S. uropedon</emphasis>
</taxonomicName>
has pereopods with the merus and carpus having long serrate distoventral spines, which are different from those of
<taxonomicName id="BC157711750DAD331690D67ECE45FECF" class="Malacostraca" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="S. leonardoi" order="Tanaidacea" pageId="0" pageNumber="423" phylum="Arthropoda" rank="species" species="leonardoi">
<emphasis id="7A557D122AFCD5991BB758000A605BBE" italics="true" pageId="0" pageNumber="423">S. leonardoi</emphasis>
</taxonomicName>
(with simple spines); however, these different forms could have been overlooked by previous authors in other congeneric species.
</paragraph>
</subSubSection>
</treatment>
</document>