146 lines
18 KiB
XML
146 lines
18 KiB
XML
<document id="93E18A872D383D17085F0DE6ABA8FCA6" ID-DOI="10.5281/zenodo.188066" ID-GBIF-Dataset="ab6365d5-73f9-4961-b482-3020feb144a3" ID-ISSN="1175-5326" ID-Zenodo-Dep="188066" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461083659417" checkinUser="plazi" docAuthor="Poore, Gary C. B." docDate="2009" docId="03F987FCFFB6FFFDFF000A2BA603FB2C" docLanguage="en" docName="zt02119p065.pdf" docOrigin="Zootaxa 2119" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Chiriscus Richardson 1911" docType="treatment" docVersion="7" lastPageNumber="53" masterDocId="FFC0FF84FFB7FFFFFF970D52A76EFFF3" masterDocTitle="A new species of Chaetiliidae (Crustacea: Isopoda: Valvifera) from the Río de la Plata estuary, Argentina-Uruguay, and reconsideration of Macrochiridothea and Chiriscus" masterLastPageNumber="65" masterPageNumber="51" pageNumber="52" updateTime="1698587432086" updateUser="plazi">
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<mods:titleInfo id="13B7639191C7368128DF026B03450C8E">
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<mods:title id="21EB8588DE0FAFFFF74E8D93A745E965">A new species of Chaetiliidae (Crustacea: Isopoda: Valvifera) from the Río de la Plata estuary, Argentina-Uruguay, and reconsideration of Macrochiridothea and Chiriscus</mods:title>
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<mods:namePart id="DCA0338672C4C48CA6AC32F444FB31B9">Poore, Gary C. B.</mods:namePart>
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<mods:typeOfResource id="8B66ED984CE7AB609ED192761D822CD9">text</mods:typeOfResource>
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<mods:title id="C395F13C20D5F9EF7F6BFE16613CAEDB">Zootaxa</mods:title>
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<mods:part id="FB83C9E87CD883A6F6FA9775BFBAD0A9">
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<mods:date id="1A40D7CEBD7E71A68C7DE1C408EF4458">2009</mods:date>
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<mods:detail id="D44C98765A0CB261A578EAC999DC9CEC" type="volume">
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<mods:number id="89115C675885430AD8EA829502440621">2119</mods:number>
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<mods:identifier id="BC7D755C9D03F260B5FD9C176C53A254" type="DOI">10.5281/zenodo.188066</mods:identifier>
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<mods:identifier id="B86F1F0AB12588150506C5852F81718B" type="ISSN">1175-5326</mods:identifier>
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<treatment id="03F987FCFFB6FFFDFF000A2BA603FB2C" ID-DOI="http://doi.org/10.5281/zenodo.6218090" ID-GBIF-Taxon="119618463" ID-Zenodo-Dep="6218090" LSID="urn:lsid:plazi:treatment:03F987FCFFB6FFFDFF000A2BA603FB2C" httpUri="http://treatment.plazi.org/id/03F987FCFFB6FFFDFF000A2BA603FB2C" lastPageId="2" lastPageNumber="53" pageId="1" pageNumber="52">
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<subSubSection id="C34A6561FFB6FFFEFF000A2BA684F861" box="[151,490,1912,1939]" pageId="1" pageNumber="52" type="nomenclature">
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<paragraph id="8BEF36EAFFB6FFFEFF000A2BA684F861" blockId="1.[151,490,1912,1939]" box="[151,490,1912,1939]" pageId="1" pageNumber="52">
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<heading id="D0A78186FFB6FFFEFF000A2BA684F861" bold="true" box="[151,490,1912,1939]" fontSize="11" level="1" pageId="1" pageNumber="52" reason="1">
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<taxonomicName id="4C504D69FFB6FFFEFF000A2BA684F861" ID-CoL="7NZ3S" authority="Richardson, 1911" authorityName="Richardson" authorityYear="1911" box="[151,490,1912,1939]" class="Malacostraca" family="Chaetiliidae" genus="Chiriscus" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="52" phylum="Arthropoda" rank="genus">
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<emphasis id="B924EAF8FFB6FFFEFF000A2BA684F861" bold="true" box="[151,490,1912,1939]" pageId="1" pageNumber="52">
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<emphasis id="B924EAF8FFB6FFFEFF000A2BA665F860" bold="true" box="[151,267,1913,1939]" italics="true" pageId="1" pageNumber="52">Chiriscus</emphasis>
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<bibRefCitation id="EFC14B1BFFB6FFFEFE850A2AA684F861" author="Richardson" box="[274,490,1912,1938]" pageId="1" pageNumber="65" refString="Richardson, H. (1911) Descriptions of a new genus and species of isopod crustacean of the family Idotheidae from the mouth of the Rio de la Plata, Argentina, South America. Proceedings of the United States National Museum, 40, 169 - 171." type="journal article" year="1911">Richardson, 1911</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C34A6561FFB6FFFEFF000AEEA5CFF800" pageId="1" pageNumber="52" type="reference_group">
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<paragraph id="8BEF36EAFFB6FFFEFF000AEEA5CFF800" blockId="1.[151,1235,1980,2035]" pageId="1" pageNumber="52">
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<treatmentCitationGroup id="AB4011C4FFB6FFFEFF000AEEA5CFF800" pageId="1" pageNumber="52">
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<taxonomicName id="4C504D69FFB6FFFEFF000AEEA69BF820" ID-CoL="7NZ3S" authority="Richardson, 1911: 169" authorityName="Richardson" authorityPageNumber="169" authorityYear="1911" box="[151,501,1980,2003]" class="Malacostraca" family="Chaetiliidae" genus="Chiriscus" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="52" phylum="Arthropoda" rank="genus">
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<emphasis id="B924EAF8FFB6FFFEFF000AEEA793F820" box="[151,253,1980,2003]" italics="true" pageId="1" pageNumber="52">Chiriscus</emphasis>
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<treatmentCitation id="0AF110FBFFB6FFFEFE930AEEA69BF820" author="Richardson" box="[260,501,1980,2003]" page="169" pageId="1" pageNumber="52" year="1911">
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<bibRefCitation id="EFC14B1BFFB6FFFEFE930AEEA6ACF820" author="Richardson" box="[260,450,1980,2003]" pageId="1" pageNumber="65" refString="Richardson, H. (1911) Descriptions of a new genus and species of isopod crustacean of the family Idotheidae from the mouth of the Rio de la Plata, Argentina, South America. Proceedings of the United States National Museum, 40, 169 - 171." type="journal article" year="1911">Richardson, 1911</bibRefCitation>
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: 169
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</treatmentCitation>
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</taxonomicName>
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–170. —
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<treatmentCitation id="0AF110FBFFB6FFFEFDCE0AEEA458F820" author="Sheppard" box="[601,822,1980,2003]" page="168" pageId="1" pageNumber="52" year="1957">
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<bibRefCitation id="EFC14B1BFFB6FFFEFDCE0AEEA46AF820" author="Sheppard" box="[601,772,1980,2003]" pageId="1" pageNumber="65" refString="Sheppard, E. M. (1957) Isopod Crustacea Part II. The sub-order Valvifera. Families: Idoteidae, Pseudidotheidae and Xenarcturidae fam. n. With a supplement to isopod Crustacea, Part 1. The family Serolidae. Discovery Reports, 29, 141 - 197, pls 8, 9." type="journal article" year="1957">Sheppard, 1957</bibRefCitation>
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: 168
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</treatmentCitation>
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–169. —
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<treatmentCitation id="0AF110FBFFB6FFFEFC0D0AEEA3A1F820" author="Jones" box="[922,1231,1980,2003]" page="619" pageId="1" pageNumber="52" year="1978">
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<bibRefCitation id="EFC14B1BFFB6FFFEFC0D0AEEA3F7F820" author="Jones" box="[922,1177,1980,2003]" pageId="1" pageNumber="65" refString="Jones, M. B. & Fenwick, G. D. (1978) Maoridotea naylori, a new genus and species of isopod (Valvifera, Idoteidae, Chaetilinae) from the Kaikoura Peninsula, New Zealand. Journal of Natural History, 12, 617 - 625." type="journal article" year="1978">Jones & Fenwick, 1978</bibRefCitation>
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: 619
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</treatmentCitation>
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.
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<taxonomicName id="4C504D69FFB6FFFEFF000A8EA636F800" ID-CoL="7PD6Y" box="[151,344,2012,2035]" class="Malacostraca" family="Chaetiliidae" genus="Macrochiridothea" kingdom="Animalia" order="Isopoda" pageId="1" pageNumber="52" phylum="Arthropoda" rank="genus">
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<emphasis id="B924EAF8FFB6FFFEFF000A8EA636F800" box="[151,344,2012,2035]" italics="true" pageId="1" pageNumber="52">Macrochiridothea</emphasis>
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</taxonomicName>
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(part). —
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<treatmentCitation id="0AF110FBFFB6FFFEFE5F0A8EA51FF800" author="Poore" box="[456,625,2012,2035]" page="71" pageId="1" pageNumber="52" year="1984">
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<bibRefCitation id="EFC14B1BFFB6FFFEFE5F0A8EA523F800" author="Poore" box="[456,589,2012,2035]" pageId="1" pageNumber="65" refString="Poore, G. C. B. (1984) Clarification of the monotypic genera Chiriscus and Symmius (Crustacea: Isopoda: Idoteidae). Proceedings of the Biological Society of Washington, 97, 71 - 77." type="journal article" year="1984">Poore, 1984</bibRefCitation>
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: 71
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</treatmentCitation>
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–72.
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection id="C34A6561FFB5FFFDFF000DC5A4A6FF5C" box="[151,968,151,175]" pageId="2" pageNumber="53" type="materials_examined">
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<paragraph id="8BEF36EAFFB5FFFDFF000DC5A4A6FF5C" blockId="2.[151,968,151,175]" box="[151,968,151,175]" pageId="2" pageNumber="53">
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<emphasis id="B924EAF8FFB5FFFDFF000DC5A645FF5C" bold="true" box="[151,299,151,175]" pageId="2" pageNumber="53">
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<typeStatus id="54EB8848FFB5FFFDFF000DC5A7A1FF5C" box="[151,207,151,175]" pageId="2" pageNumber="53">Type</typeStatus>
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species.
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</emphasis>
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<taxonomicName id="4C504D69FFB5FFFDFEA60DCAA5AEFF5C" authority="Richardson, 1911" authorityName="Richardson" authorityYear="1911" box="[305,704,152,175]" class="Malacostraca" family="Chaetiliidae" genus="Chiriscus" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="53" phylum="Arthropoda" rank="species" species="australis">
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<emphasis id="B924EAF8FFB5FFFDFEA60DCAA692FF5C" box="[305,508,152,175]" italics="true" pageId="2" pageNumber="53">Chiriscus australis</emphasis>
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<bibRefCitation id="EFC14B1BFFB5FFFDFD950DCAA5AEFF5C" author="Richardson" box="[514,704,152,175]" pageId="2" pageNumber="65" refString="Richardson, H. (1911) Descriptions of a new genus and species of isopod crustacean of the family Idotheidae from the mouth of the Rio de la Plata, Argentina, South America. Proceedings of the United States National Museum, 40, 169 - 171." type="journal article" year="1911">Richardson, 1911</bibRefCitation>
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</taxonomicName>
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, by original designation.
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</paragraph>
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</subSubSection>
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<subSubSection id="C34A6561FFB5FFFDFF000D85A60AFCC5" pageId="2" pageNumber="53" type="diagnosis">
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<paragraph id="8BEF36EAFFB5FFFDFF000D85A60AFCC5" blockId="2.[151,1437,215,1247]" pageId="2" pageNumber="53">
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<emphasis id="B924EAF8FFB5FFFDFF000D85A64EFF02" bold="true" box="[151,288,215,241]" pageId="2" pageNumber="53">Diagnosis.</emphasis>
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Body smooth. Head with or without lateral incisions (very short if present). Eyes present. Pereonites with dorsal coxal plates visible dorsally on 5–7 only. Pereonite 7 tergite about 3 times as wide as long; pleonites 1–3 free. Coxa 7 significantly smaller than coxa 6. Antenna 1 peduncle article 2 without anterodistal prolongation; article 3, 1.2 times as long as article 2. Antenna 2 peduncle article 4 greatest width twice length of anterior margin, with a broad posterodistal lobe extending halfway alongside article 5. Mandibles without molar; incisor with 4 acute teeth on left, of 5 uneven teeth on right; lacinia mobilis with concave, denticulate margin on left, of 4 blunt teeth on right; spine row of denticulate spines. Maxillipedal palp of 4 articles, articles 4 and 5 free. Pereopod 1 with grossly widened propodus, about as wide as long, much wider than propodus of pereopods 2 and 3. Pereopods 2 and 3 basis anterior margin with setae only on proximal half; carpus posterodistal corner grossly produced as a lobe (about half as long as and dominating propodus), bearing long distal setae; dactyli absent. Pereopod 4 dactylus vestigial, dome-like, with a minute terminal seta. Pereopod 5 dactylus short, cylindrical, with a long terminal seta; pereopod 6, 1.3 times as long as pereopod 5. Pereopod 7 dactylus minute, dome-like, with a short apical seta. Pleopod 2, appendix masculina straight, with lobulate apex. Uropod endopod half length of exopod. Oostegites 1 broad overlapping plates, longer than broad; oostegites 2–4 almost circular, overlapping; oostegites 5 linguiform, reaching midline.
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</paragraph>
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</subSubSection>
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<subSubSection id="C34A6561FFB5FFFDFF520E10A603FB2C" pageId="2" pageNumber="53" type="discussion">
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<paragraph id="8BEF36EAFFB5FFFDFF520E10A60FFBB7" blockId="2.[151,1437,215,1247]" pageId="2" pageNumber="53">
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<emphasis id="B924EAF8FFB5FFFDFF520E10A62DFCAF" bold="true" box="[197,323,834,860]" pageId="2" pageNumber="53">Remarks.</emphasis>
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In reviving
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<taxonomicName id="4C504D69FFB5FFFDFE4A0E10A53DFCA8" box="[477,595,834,859]" class="Malacostraca" family="Chaetiliidae" genus="Chiriscus" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="53" phylum="Arthropoda" rank="genus">
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<emphasis id="B924EAF8FFB5FFFDFE4A0E10A53DFCA8" box="[477,595,834,859]" italics="true" pageId="2" pageNumber="53">Chiriscus</emphasis>
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</taxonomicName>
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we recognise distinctive character states in the two species we now assign to this genus that differentiate them from
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<taxonomicName id="4C504D69FFB5FFFDFD410E3BA4C5FC71" box="[726,939,873,898]" class="Malacostraca" family="Chaetiliidae" genus="Macrochiridothea" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="53" phylum="Arthropoda" rank="genus" sensu="stricto">
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<emphasis id="B924EAF8FFB5FFFDFD410E3BA4C5FC71" box="[726,939,873,898]" italics="true" pageId="2" pageNumber="53">Macrochiridothea</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2175783FFB5FFFDFC240E3BA4B6FC70" box="[947,984,873,899]" pageId="2" pageNumber="53" sensu="stricto">s.s.</taxonomicNameLabel>
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The absence of pereopodal dactyli on pereopods 2–5 and 7 that inspired Richardson to erect her genus proved to be true only for pereopods 2 and 3 (
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<bibRefCitation id="EFC14B1BFFB5FFFDFF080EE4A655FC23" author="Poore" box="[159,315,950,976]" pageId="2" pageNumber="65" refString="Poore, G. C. B. (1984) Clarification of the monotypic genera Chiriscus and Symmius (Crustacea: Isopoda: Idoteidae). Proceedings of the Biological Society of Washington, 97, 71 - 77." type="journal article" year="1984">Poore, 1984</bibRefCitation>
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) but the shape of antenna 2 (wide article 4 and with a broad posterodistal lobe) and long pereonite 7 are distinctive. All species of
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<taxonomicName id="4C504D69FFB5FFFDFD1E0E8FA40EFC05" box="[649,864,989,1014]" class="Malacostraca" family="Chaetiliidae" genus="Macrochiridothea" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="53" phylum="Arthropoda" rank="genus">
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<emphasis id="B924EAF8FFB5FFFDFD1E0E8FA40EFC05" box="[649,864,989,1014]" italics="true" pageId="2" pageNumber="53">Macrochiridothea</emphasis>
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</taxonomicName>
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possess dactyli on pereopods 2 and 3. Males of only one species are known but its appendix masculina is of a characteristic form different from those of other chaetiliid genera.
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</paragraph>
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<paragraph id="8BEF36EAFFB5FFFDFF520903A603FB2C" blockId="2.[151,1437,215,1247]" pageId="2" pageNumber="53">
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<bibRefCitation id="EFC14B1BFFB5FFFDFF520903A605FB98" author="Poore" box="[197,363,1105,1131]" pageId="2" pageNumber="65" refString="Poore, G. C. B. (1984) Clarification of the monotypic genera Chiriscus and Symmius (Crustacea: Isopoda: Idoteidae). Proceedings of the Biological Society of Washington, 97, 71 - 77." type="journal article" year="1984">Poore (1984)</bibRefCitation>
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transferred
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<taxonomicName id="4C504D69FFB5FFFDFD910903A599FB99" box="[518,759,1105,1130]" class="Malacostraca" family="Chaetiliidae" genus="Chiriscus" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="53" phylum="Arthropoda" rank="species" species="australis">
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<emphasis id="B924EAF8FFB5FFFDFD910903A599FB99" box="[518,759,1105,1130]" italics="true" pageId="2" pageNumber="53">Chiriscus australis</emphasis>
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</taxonomicName>
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to the larger genus
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<taxonomicName id="4C504D69FFB5FFFDFC610903A3B7FB99" box="[1014,1241,1105,1130]" class="Malacostraca" family="Chaetiliidae" genus="Macrochiridothea" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="53" phylum="Arthropoda" rank="genus">
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<emphasis id="B924EAF8FFB5FFFDFC610903A3B7FB99" box="[1014,1241,1105,1130]" italics="true" pageId="2" pageNumber="53">Macrochiridothea</emphasis>
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</taxonomicName>
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on the basis of numerous shared features. At the time, the differences were treated as unique features. He overlooked the similar species,
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<taxonomicName id="4C504D69FFB5FFFDFECC09CDA489FB4B" authority="Bastida & Torti, 1972" authorityName="Bastida & Torti" authorityYear="1972" box="[347,999,1182,1208]" class="Malacostraca" family="Chaetiliidae" genus="Macrochiridothea" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="53" phylum="Arthropoda" rank="species" species="giambiagiae">
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<emphasis id="B924EAF8FFB5FFFDFECC09CDA5BBFB4B" box="[347,725,1183,1208]" italics="true" pageId="2" pageNumber="53">Macrochiridothea giambiagiae</emphasis>
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<bibRefCitation id="EFC14B1BFFB5FFFDFD4A09CCA489FB4B" author="Bastida" box="[733,999,1182,1208]" pageId="2" pageNumber="65" refString="Torti, M. R. & Bastida, R. (1972) Presencia del genero Macrochiridothea Ohlin, 1901 en Uruguay y Brasil: M. giambiagiae sp. nov. (Crustacea, Isopoda). Neotropica, 18, 16 - 22." type="journal article" year="1972">Bastida & Torti, 1972</bibRefCitation>
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</taxonomicName>
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now placed with
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<taxonomicName id="4C504D69FFB5FFFDFB5609CDA221FB4B" box="[1217,1359,1183,1208]" class="Malacostraca" family="Chaetiliidae" genus="Chiriscus" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="53" phylum="Arthropoda" rank="species" species="australis">
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<emphasis id="B924EAF8FFB5FFFDFB5609CDA221FB4B" box="[1217,1359,1183,1208]" italics="true" pageId="2" pageNumber="53">C. australis</emphasis>
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</taxonomicName>
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in the revived
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<taxonomicName id="4C504D69FFB5FFFDFF610997A608FB2D" box="[246,358,1221,1246]" class="Malacostraca" family="Chaetiliidae" genus="Chiriscus" kingdom="Animalia" order="Isopoda" pageId="2" pageNumber="53" phylum="Arthropoda" rank="genus">
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<emphasis id="B924EAF8FFB5FFFDFF610997A608FB2D" box="[246,358,1221,1246]" italics="true" pageId="2" pageNumber="53">Chiriscus</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |