140 lines
16 KiB
XML
140 lines
16 KiB
XML
<document id="B34AEE5CC22FFDE3BAE1DCFA33083612" ID-CLB-Dataset="27036" ID-DOI="10.5281/zenodo.2646092" ID-GBIF-Dataset="ec561977-c515-476a-b1e0-3804a5067d47" ID-ISSN="1175-5326" ID-Zenodo-Dep="2646092" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1555587826962" checkinUser="plazi" docAuthor="Larsen, Kim, Błażewicz-Paszkowycz, Magdalena & Cunha, Marina R." docDate="2006" docId="038887F2684C826C551579AAC559FB51" docLanguage="en" docName="zt01187p036.pdf" docOrigin="Zootaxa 1187" docStyle="DocumentStyle:FA7E419B012A62B0FC3AC15A186C3DAF.3:Zootaxa.2001-2006.journal_article" docStyleId="FA7E419B012A62B0FC3AC15A186C3DAF" docStyleName="Zootaxa.2001-2006.journal_article" docStyleVersion="3" docTitle="Obesutanais Larsen & Błażewicz-Paszkowycz & Cunha 2006, n. gen." docType="treatment" docVersion="11" lastPageNumber="16" masterDocId="FFB1FF8A68428263541D7D7CC046FF9F" masterDocTitle="Tanaidacean (Crustacea: Peracarida) fauna from chemically reduced habitats-the lucky strike hydrothermal vent system, mid-atlantic ridge" masterLastPageNumber="36" masterPageNumber="1" pageNumber="15" updateTime="1698722856606" updateUser="ExternalLinkService">
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<mods:title id="5A3493F1D5C279741AF7CE86DC58EB67">Tanaidacean (Crustacea: Peracarida) fauna from chemically reduced habitats-the lucky strike hydrothermal vent system, mid-atlantic ridge</mods:title>
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<mods:name id="7A815E4F4169213A06D3DD61C53CCCFE" type="personal">
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<mods:namePart id="8574E50CEFC479EC98C32F9EBA836552">Larsen, Kim</mods:namePart>
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<mods:namePart id="5F748282EB00BBF3E87DE5275B5CBF4F">Błażewicz-Paszkowycz, Magdalena</mods:namePart>
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<mods:namePart id="128FF411DA084F26A501A99DE46F7FAC">Cunha, Marina R.</mods:namePart>
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<mods:title id="8473349A649670C4A9FBD54FCA21AA4F">Zootaxa</mods:title>
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<mods:part id="DDAAC8BE574A69A128F5E8C014B22DB2">
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<mods:date id="1B442A27CAF03040904BD247DCC4BE44">2006</mods:date>
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<mods:number id="A3CA7F8746479CE352335FE3400A730D">2006-04-28</mods:number>
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<mods:detail id="778A4DC28796C63D46AC5896AF29293E" type="volume">
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<mods:number id="40E36027F4A7529DEA229A147887A24C">1187</mods:number>
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<mods:identifier id="3D537DA54D92B64839ECD3030F32A92D" type="CLB-Dataset">27036</mods:identifier>
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<mods:identifier id="EF68241E1C4FAD52E3CC74F6FC0742C5" type="DOI">10.5281/zenodo.2646092</mods:identifier>
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<mods:identifier id="87897F5F93F83C5EA976AA311373BB27" type="ISSN">1175-5326</mods:identifier>
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<treatment id="038887F2684C826C551579AAC559FB51" ID-GBIF-Taxon="156789431" LSID="urn:lsid:plazi:treatment:038887F2684C826C551579AAC559FB51" httpUri="http://treatment.plazi.org/id/038887F2684C826C551579AAC559FB51" lastPageId="15" lastPageNumber="16" pageId="14" pageNumber="15">
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<subSubSection id="C33B656F684C826D551579AAC208FB6F" box="[264,590,1238,1264]" pageId="14" pageNumber="15" type="nomenclature">
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<paragraph id="8B9E36E4684C826D551579AAC208FB6F" blockId="14.[264,590,1238,1264]" box="[264,590,1238,1264]" pageId="14" pageNumber="15">
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<heading id="D0D68188684C826D551579AAC208FB6F" bold="true" box="[264,590,1238,1264]" fontSize="11" level="1" pageId="14" pageNumber="15" reason="1">
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<emphasis id="B955EAF6684C826D551579AAC208FB6F" bold="true" box="[264,590,1238,1264]" pageId="14" pageNumber="15">
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Genus
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<taxonomicName id="4C214D67684C826D554279AAC1B3FB6F" ID-CoL="84RVV" authority="Larsen & Błażewicz-Paszkowycz & Cunha, 2006" authorityName="Larsen & Błażewicz-Paszkowycz & Cunha" authorityYear="2006" box="[351,501,1238,1264]" class="Malacostraca" family="Typhlotanaidae" genus="Obesutanais" kingdom="Animalia" order="Tanaidacea" pageId="14" pageNumber="15" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="B955EAF6684C826D554279AAC1B3FB6F" bold="true" box="[351,501,1238,1264]" italics="true" pageId="14" pageNumber="15">Obesutanais</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A266578D684C826D55E179AAC208FB6F" box="[508,590,1238,1264]" pageId="14" pageNumber="15" rank="genus">n. gen.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B656F684C826D5515785DC196F96C" pageId="14" pageNumber="15" type="diagnosis">
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<paragraph id="8B9E36E4684C826D5515785DC139FAA5" blockId="14.[264,1321,1313,1779]" box="[264,383,1313,1338]" pageId="14" pageNumber="15">
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<emphasis id="B955EAF6684C826D5515785DC139FAA5" box="[264,383,1313,1338]" italics="true" pageId="14" pageNumber="15">Diagnosis</emphasis>
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</paragraph>
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<paragraph id="8B9E36E4684C826D55257835C196F96C" blockId="14.[264,1321,1313,1779]" pageId="14" pageNumber="15">Body habitus short and stout (almost pseudotanaidlike) with a wide head. Body tapering off posteriorly. Pleon curved ventrally. Antennule with long setae on article 1. Mandibular molar with few distal spines. Maxilliped endite with one distal tubercule. Pereopods all with many setules and cuticular scales. Pereopods 2 and 3 merus with one seta as long as or longer than carpus; carpus with a long seta (almost as long as propodus). Pereopods 4–6 without ornamented process (clinging process); unguis bifurcate. Pleopod setation restricted to the distal end (except for the endopod proximal seta); large gap between endopod proximal seta and other setae; long (more than half the length of endopod). Uropod endopod with two incompletely fused articles (pseudouniarticulate); endo and exopod with thick specialized terminal setae; exopod unarticulated, almost as long as endopod.</paragraph>
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</subSubSection>
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<subSubSection id="C33B656F684C826D55157A55C30EF8F4" pageId="14" pageNumber="15" type="materials_examined">
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<paragraph id="8B9E36E4684C826D55157A55C30EF8F4" blockId="14.[264,840,1833,1899]" pageId="14" pageNumber="15">
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<emphasis id="B955EAF6684C826D55157A55C277F8F5" italics="true" pageId="14" pageNumber="15">
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<typeStatus id="549A8846684C826D55157A55C179F8DD" box="[264,319,1833,1858]" pageId="14" pageNumber="15">Type</typeStatus>
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species
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<taxonomicName id="4C214D67684C826D55257A2DC277F8F5" authority="Larsen & Błażewicz-Paszkowycz & Cunha, 2006" authorityName="Larsen & Błażewicz-Paszkowycz & Cunha" authorityYear="2006" box="[312,561,1873,1898]" class="Malacostraca" family="Typhlotanaidae" genus="Obesutanais" kingdom="Animalia" order="Tanaidacea" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="sigridae" status="sp. nov.">Obesutanais sigridae</taxonomicName>
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</emphasis>
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<taxonomicNameLabel id="A266578D684C826D56247A2DC23DF8F4" box="[569,635,1873,1899]" pageId="14" pageNumber="15" rank="species">
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<emphasis id="B955EAF6684C826D56247A2DC23DF8F4" bold="true" box="[569,635,1873,1899]" pageId="14" pageNumber="15">n. sp.</emphasis>
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</taxonomicNameLabel>
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, here designated.
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B656F684D826C55157C60C3D2FEC1" box="[264,916,284,350]" pageId="15" pageNumber="16" type="etymology">
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<paragraph id="8B9E36E4684D826C55157C60C3D2FEC1" blockId="15.[264,916,284,350]" box="[264,916,284,350]" pageId="15" pageNumber="16">
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<emphasis id="B955EAF6684D826C55157C60C1C3FEAA" box="[264,389,284,309]" italics="true" pageId="15" pageNumber="16">Etymology</emphasis>
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Name alluding to the fat body (
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<emphasis id="B955EAF6684D826C56BA7C38C2A3FEC2" box="[679,741,324,349]" italics="true" pageId="15" pageNumber="16">Latin</emphasis>
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:
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<emphasis id="B955EAF6684D826C56E87C38C303FEC2" box="[757,837,324,349]" italics="true" pageId="15" pageNumber="16">obesus</emphasis>
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= fat).
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</paragraph>
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</subSubSection>
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<subSubSection id="C33B656F684D826C55157CE8C559FB51" pageId="15" pageNumber="16" type="discussion">
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<paragraph id="8B9E36E4684D826C55157CE8C128FE32" blockId="15.[264,1323,404,1230]" box="[264,366,404,429]" pageId="15" pageNumber="16">
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<emphasis id="B955EAF6684D826C55157CE8C128FE32" box="[264,366,404,429]" italics="true" pageId="15" pageNumber="16">Remarks</emphasis>
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</paragraph>
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<paragraph id="8B9E36E4684D826C55257CC0C2C8FC89" blockId="15.[264,1323,404,1230]" pageId="15" pageNumber="16">
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The typhlotanaid component of the family
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<taxonomicName id="4C214D67684D826C576B7CC0C454FE49" authorityName="Sieg" authorityYear="1976" box="[886,1042,444,470]" class="Malacostraca" family="Nototanaidae" kingdom="Animalia" order="Tanaidacea" pageId="15" pageNumber="16" phylum="Arthropoda" rank="family">Nototanaidae</taxonomicName>
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is overburdened and heterogenous. The genus
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<taxonomicName id="4C214D67684D826C56237C98C293FE62" authorityName="G. O. Sars" authorityYear="1882" box="[574,725,484,509]" class="Malacostraca" family="Typhlotanaidae" genus="Typhlotanais" kingdom="Animalia" order="Tanaidacea" pageId="15" pageNumber="16" phylum="Arthropoda" rank="genus">
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<emphasis id="B955EAF6684D826C56237C98C293FE62" box="[574,725,484,509]" italics="true" pageId="15" pageNumber="16">Typhlotanais</emphasis>
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</taxonomicName>
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alone contains 56 species and is currently under revision (BłaźewiczPaszkowycz personal communication). Several genuslevel typhlotanaid groups can be recognized, but the new genus differs from these in a number of characters. The pleopod setation being restricted to the distal end and the relatively large gap between the proximal seta and the other setae, are unique to the new genus. The maxilliped endites have only one distal process while most typhlotanaids have two, although they may be of different size. The long meral and carpal setae of the pereopods 2 and 3 are also a unique character.
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</paragraph>
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<paragraph id="8B9E36E4684D826C55257E58C2ECFBC9" blockId="15.[264,1323,404,1230]" pageId="15" pageNumber="16">
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Members of the genera
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<taxonomicName id="4C214D67684D826C564E7E58C3E9FCA1" authority="G. O. Sars, 1882" authorityName="G. O. Sars" authorityYear="1882" box="[595,943,804,830]" class="Malacostraca" family="Typhlotanaidae" genus="Typhlotanais" kingdom="Animalia" order="Tanaidacea" pageId="15" pageNumber="16" phylum="Arthropoda" rank="genus">
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<emphasis id="B955EAF6684D826C564E7E58C2ACFCA2" box="[595,746,804,829]" italics="true" pageId="15" pageNumber="16">Typhlotanais</emphasis>
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<bibRefCitation id="EFB04B15684D826C56EE7E58C3E9FCA1" author="Sars, G. O." box="[755,943,804,830]" pageId="15" pageNumber="16" pagination="1 - 54" refId="ref12184" refString="Sars, G. O. (1882) Revision af gruppen: Isopoda Chelifera med characteristik af nye herhen horende arter og slaegter. Archiv for Matematik og Naturvidenskab, 7, 1 - 54." type="journal article" year="1882">G.O. Sars, 1882</bibRefCitation>
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</taxonomicName>
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and
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<taxonomicName id="4C214D67684D826C57F77E58C56DFCA1" authority="Sieg, 1986" authorityName="Sieg" authorityYear="1986" box="[1002,1323,804,830]" class="Malacostraca" family="Typhlotanaidae" genus="Peraeospinosus" kingdom="Animalia" order="Tanaidacea" pageId="15" pageNumber="16" phylum="Arthropoda" rank="genus">
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<emphasis id="B955EAF6684D826C57F77E58C4E2FCA2" box="[1002,1188,804,829]" italics="true" pageId="15" pageNumber="16">Peraeospinosus</emphasis>
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Sieg, 1986
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</taxonomicName>
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have pereopods 4–6 shortened, thick and, in their natural position, curved upwards as an adaptation to clinging inside tubes. The outer margin of merus and carpus of such legs contribute to this clinging apparatus (which in most
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<emphasis id="B955EAF6684D826C579B7EE0C4E7FC2A" box="[902,1185,924,949]" italics="true" pageId="15" pageNumber="16">
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<taxonomicName id="4C214D67684D826C579B7EE0C45BFC2A" authority="Larsen & Błażewicz-Paszkowycz & Cunha, 2006" authorityName="Larsen & Błażewicz-Paszkowycz & Cunha" authorityYear="2006" box="[902,1053,924,949]" class="Malacostraca" family="Typhlotanaidae" genus="Typhlotanais" kingdom="Animalia" order="Tanaidacea" pageId="15" pageNumber="16" phylum="Arthropoda" rank="genus" sensu="lato">Typhlotanais</taxonomicName>
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<taxonomicNameLabel id="A266578D684D826C503A7EE0C4E7FC2A" box="[1063,1185,924,949]" pageId="15" pageNumber="16" sensu="lato">sensu lato</taxonomicNameLabel>
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</emphasis>
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consists of processes of various size), being covered with hooks and numerous short setae or well calcified spines.
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<taxonomicName id="4C214D67684D826C55CD7E90C224FB9A" authorityName="Larsen & Błażewicz-Paszkowycz & Cunha" authorityYear="2006" box="[464,610,1004,1029]" class="Malacostraca" family="Typhlotanaidae" genus="Obesutanais" kingdom="Animalia" order="Tanaidacea" pageId="15" pageNumber="16" phylum="Arthropoda" rank="genus">
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<emphasis id="B955EAF6684D826C55CD7E90C224FB9A" box="[464,610,1004,1029]" italics="true" pageId="15" pageNumber="16">Obesutanais</emphasis>
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</taxonomicName>
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has no such processes but the clinging apparatus is formed by a pair of spines on both merus and carpus and numerous short setae and well calcified spines that are arranged in ‘combs’.
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</paragraph>
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<paragraph id="8B9E36E4684D826C55257918C559FB51" blockId="15.[264,1323,404,1230]" pageId="15" pageNumber="16">
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One other species, listed as ‘
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<taxonomicName id="4C214D67684D826C56BF7918C37FFBE2" authorityName="Larsen & Błażewicz-Paszkowycz & Cunha" authorityYear="2006" box="[674,825,1124,1149]" class="Malacostraca" family="Typhlotanaidae" genus="Typhlotanais" kingdom="Animalia" order="Tanaidacea" pageId="15" pageNumber="16" phylum="Arthropoda" rank="genus">
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<emphasis id="B955EAF6684D826C56BF7918C37FFBE2" box="[674,825,1124,1149]" italics="true" pageId="15" pageNumber="16">Typhlotanais</emphasis>
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</taxonomicName>
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sp.,’ was found in a hydrothermal vent habitat (
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<bibRefCitation id="EFB04B15684D826C557579F0C1B8FB39" author="Larsen, K." box="[360,510,1164,1190]" pageId="15" pageNumber="16" pagination="1 - 387" refId="ref11898" refString="Larsen, K. (2005) Deep-Sea Tanaidacea (Crustacea; Peracarida) from the Gulf of Mexico. Crustacean Monographs, 5, pp. 1 - 387." type="journal article" year="2005">Larsen 2005</bibRefCitation>
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) also belongs in this new genus and three additional from the North Atlantic are under description (Bird & BłaźewiczPaszkowycz personal communication).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |