232 lines
29 KiB
XML
232 lines
29 KiB
XML
<document id="B3BC18744F976577B57432000239481A" ID-CLB-Dataset="299659" ID-DOI="10.11646/zootaxa.5477.2.5" ID-GBIF-Dataset="834d5982-b387-44a0-975d-533623224122" ID-ISSN="1175-5326" ID-Zenodo-Dep="12683442" ID-ZooBank="494AD3C5-EA24-40E6-B2E2-2036B817AC26" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="juliana" IM.taxonomicNames_approvedBy="juliana" IM.treatments_approvedBy="juliana" checkinTime="1720425961634" checkinUser="plazi" docAuthor="Pérez-Schultheiss, Jorge, Fernández, Leonardo D. & Ribeiro, Felipe Bezerra" docDate="2024" docId="6A374035FFBA3105FF082C8CBFAEFD84" docLanguage="en" docName="zootaxa.5477.2.5.pdf" docOrigin="Zootaxa 5477 (2)" docSource="http://dx.doi.org/10.11646/zootaxa.5477.2.5" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Atacamorchestia Pérez-Schultheiss, Fernández & Ribeiro, 2024, gen. nov." docType="treatment" docVersion="6" lastPageNumber="198" masterDocId="960E384DFFB83106FF9F2D73BE61FFE5" masterDocTitle="Two new genera of coastal Talitridae (Amphipoda: Senticaudata) from Chile, with the first record of Platorchestia Bousfield, 1982 in the southeastern Pacific coast" masterLastPageNumber="218" masterPageNumber="195" pageNumber="197" updateTime="1720646161670" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="50313A5C68B3CD44E0EEFCC27C2263FC">Two new genera of coastal Talitridae (Amphipoda: Senticaudata) from Chile, with the first record of Platorchestia Bousfield, 1982 in the southeastern Pacific coast</mods:title>
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<mods:namePart id="FA3213F19E5AF450C4054E0C6185ED58">Pérez-Schultheiss, Jorge</mods:namePart>
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<mods:nameIdentifier id="47AE367920F494BF2C95861CE88F00E5" type="ORCID">0000-0003-4537-5677</mods:nameIdentifier>
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<mods:affiliation id="E00BCC00A02D621FA3700CC19DF63256">Área Zoología de Invertebrados, Museo Nacional de Historia Natural de Chile, Casilla 787, Correo Central, Santiago, Chile & Programa de Pós-Graduação em Biologia Animal, Instituto de Biociências, Universidade Federal do Rio Grande do Sul. Porto Alegre, Rio Grande do Sul, Brazil & Departamento de Zoologia (Laboratório de Carcinologia), Instituto de Biociências, Universidade Federal do Rio Grande do Sul. Porto Alegre, Rio Grande do Sul, Brazil</mods:affiliation>
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<mods:nameIdentifier id="1804AAA5DE455AB8A492BF5C42ED3B1F" type="email">jorge.perez@mnhn.gob.cl</mods:nameIdentifier>
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<mods:namePart id="5088CC0C1CCEC6668C04F4D05433E55D">Fernández, Leonardo D.</mods:namePart>
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<mods:nameIdentifier id="D55264CAD62BB9B4CE9D65052480A7CE" type="ORCID">0000-0002-8623-1576</mods:nameIdentifier>
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<mods:affiliation id="B6C4ECAACC3CD4E494F35D935865A050">Núcleo de Investigación en Sustentabilidad Agroambiental (NISUA), Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Campus Providencia, Manuel Montt 948, Santiago, Chile</mods:affiliation>
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<mods:nameIdentifier id="5F0BB2E2073FBB5D3D928F21F47D37F1" type="email">fbribeiro.ufc@gmail.com</mods:nameIdentifier>
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<mods:namePart id="848FDAA109A15E54AF221CA1506E5345">Ribeiro, Felipe Bezerra</mods:namePart>
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<mods:affiliation id="FE79B22B5F106E1FB065A6DFCA9428E4">Programa de Pós-Graduação em Biologia Animal, Instituto de Biociências, Universidade Federal do Rio Grande do Sul. Porto Alegre, Rio Grande do Sul, Brazil & Laboratório de Biologia Integrativa de Crustáceos (LABIC), Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP), Universidade de São Paulo (USP), Ribeirão Preto, São Paulo, Brazil & Programa de Pós-graduação em Biologia Comparada, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP), Universidade de São Paulo (USP), Ribeirão Preto, São Paulo, Brazil</mods:affiliation>
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<mods:nameIdentifier id="C779ACFB56F1C338D360AAEC91CFB509" type="email">limnoleo@gmail.com</mods:nameIdentifier>
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<mods:title id="5252DC55E3BB151F422A39C963951379">Zootaxa</mods:title>
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<mods:part id="B1C942F1967CD35EC2514E9A68503398">
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<mods:date id="44F56F56D337D284D800845B9065FAB6">2024</mods:date>
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<mods:number id="CD7613704904E03D7B2B33804AC2914C">2024-07-08</mods:number>
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<mods:number id="6F0CF79773F57AB7F7FA24005D035B99">5477</mods:number>
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<mods:number id="E101DB5006B710F2F4B37905BF564AD5">2</mods:number>
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<mods:start id="E76EB9FC7D67313D27552D1FE3151CB3">195</mods:start>
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<mods:url id="43776DBF79962AF2A1121E82F0B727B4">http://dx.doi.org/10.11646/zootaxa.5477.2.5</mods:url>
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<mods:classification id="5150D565AD27348A32B63A459A96C53F">journal article</mods:classification>
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<mods:identifier id="ED2E5AB3A1B7ED3ED00A669616338106" type="CLB-Dataset">299659</mods:identifier>
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<mods:identifier id="453A7F40BEFDEBEFD498BF80B1CE4A4D" type="DOI">10.11646/zootaxa.5477.2.5</mods:identifier>
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<mods:identifier id="9DEFD790CCCFA222878BF6A178DE915B" type="GBIF-Dataset">834d5982-b387-44a0-975d-533623224122</mods:identifier>
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<mods:identifier id="02C9ADB26F1BB9E2EDA6A8C15476BFFA" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="88E5BBFF298220BAD352C74A4A692B43" type="Zenodo-Dep">12683442</mods:identifier>
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<treatment id="6A374035FFBA3105FF082C8CBFAEFD84" ID-DOI="http://doi.org/10.5281/zenodo.12683663" ID-GBIF-Taxon="235029883" ID-Zenodo-Dep="12683663" LSID="urn:lsid:plazi:treatment:6A374035FFBA3105FF082C8CBFAEFD84" httpUri="http://treatment.plazi.org/id/6A374035FFBA3105FF082C8CBFAEFD84" lastPageId="3" lastPageNumber="198" pageId="2" pageNumber="197">
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<subSubSection id="AA84A2A8FFBA3104FF082C8CBC4EFDFC" box="[151,559,511,538]" pageId="2" pageNumber="197" type="nomenclature">
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<paragraph id="E221F123FFBA3104FF082C8CBC4EFDFC" blockId="2.[151,1187,511,574]" box="[151,559,511,538]" pageId="2" pageNumber="197">
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<heading id="B969464FFFBA3104FF082C8CBC4EFDFC" bold="true" box="[151,559,511,538]" fontSize="11" level="1" pageId="2" pageNumber="197" reason="1">
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<emphasis id="D0EA2D31FFBA3104FF082C8CBC4EFDFC" bold="true" box="[151,559,511,538]" pageId="2" pageNumber="197">
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Genus
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<taxonomicName id="259E8AA0FFBA3104FF712C8CBFDBFDFF" authorityName="Pérez-Schultheiss & Fernández & Ribeiro" authorityYear="2024" box="[238,442,511,538]" class="Malacostraca" family="Talitridae" genus="Atacamorchestia" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="197" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="D0EA2D31FFBA3104FF712C8CBFDBFDFF" bold="true" box="[238,442,511,538]" italics="true" pageId="2" pageNumber="197">Atacamorchestia</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="CBD9904AFFBA3104FE5E2C8CBC4EFDFC" box="[449,559,511,537]" pageId="2" pageNumber="197" rank="genus">gen. nov.</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="AA84A2A8FFBA3104FF082F50BAC2FDDB" box="[151,1187,547,574]" pageId="2" pageNumber="197" type="description">
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<paragraph id="E221F123FFBA3104FF082F50BAC2FDDB" blockId="2.[151,1187,511,574]" box="[151,1187,547,574]" pageId="2" pageNumber="197">
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http://zoobank.org/
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<uri id="960FFD21FFBA3104FEEA2F50BAC2FDDB" box="[373,1187,547,574]" pageId="2" pageNumber="197">
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urn:lsid:zoobank.org:act:
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<uuid id="9638CBF6FFBA3104FD162F50BAC2FDDB" box="[649,1187,547,574]" pageId="2" pageNumber="197">09F893B7-C3CC-40BC-9D84-9A8B98A5F9E5</uuid>
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</uri>
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</paragraph>
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</subSubSection>
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<subSubSection id="AA84A2A8FFBA3104FF082F1BBD2BFD65" box="[151,842,615,640]" pageId="2" pageNumber="197" type="type_taxon">
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<paragraph id="E221F123FFBA3104FF082F1BBD2BFD65" blockId="2.[151,842,615,640]" box="[151,842,615,640]" pageId="2" pageNumber="197">
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<emphasis id="D0EA2D31FFBA3104FF082F1BBF47FD9A" bold="true" box="[151,294,615,640]" pageId="2" pageNumber="197">
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<typeStatus id="3D254F81FFBA3104FF082F1BBEADFD65" box="[151,204,616,640]" pageId="2" pageNumber="197">Type</typeStatus>
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species:
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</emphasis>
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<taxonomicName id="259E8AA0FFBA3104FEB32F1BBC3BFD9A" authorityName="Pérez-Schultheiss & Fernández & Ribeiro" authorityYear="2024" box="[300,602,616,640]" class="Malacostraca" family="Talitridae" genus="Atacamorchestia" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="197" phylum="Arthropoda" rank="species" species="atacamensis" status="sp. nov.">
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<emphasis id="D0EA2D31FFBA3104FEB32F1BBC3BFD9A" box="[300,602,616,640]" italics="true" pageId="2" pageNumber="197">Atacamorchestia atacamensis</emphasis>
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</taxonomicName>
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<emphasis id="D0EA2D31FFBA3104FDFE2F1BBCD0FD65" bold="true" box="[609,689,616,640]" pageId="2" pageNumber="197">
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<taxonomicNameLabel id="CBD9904AFFBA3104FDFE2F1BBCD0FD65" box="[609,689,616,640]" pageId="2" pageNumber="197" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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, by monotypy.
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</paragraph>
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</subSubSection>
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<subSubSection id="AA84A2A8FFBA3104FF082FDDBD75FD09" pageId="2" pageNumber="197" type="etymology">
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<paragraph id="E221F123FFBA3104FF082FDDBD75FD09" blockId="2.[151,1437,686,2008]" pageId="2" pageNumber="197">
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<emphasis id="D0EA2D31FFBA3104FF082FDDBF43FD2D" bold="true" box="[151,290,686,712]" pageId="2" pageNumber="197">Etymology:</emphasis>
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The name results from the union of the word
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<collectingRegion id="205A3FC1FFBA3104FC822FDDBDE2FD2D" box="[797,899,686,712]" country="Chile" name="Atacama" pageId="2" pageNumber="197">Atacama</collectingRegion>
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, the region where the species was collected, and the word of Greek origin
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<emphasis id="D0EA2D31FFBA3104FE2A2FA1BC7DFD09" box="[437,540,722,748]" italics="true" pageId="2" pageNumber="197">orchestia</emphasis>
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, which means dancer.
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</paragraph>
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</subSubSection>
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<subSubSection id="AA84A2A8FFBA3104FF582F86BB44FA59" pageId="2" pageNumber="197" type="diagnosis">
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<paragraph id="E221F123FFBA3104FF582F86BA86FC99" blockId="2.[151,1437,686,2008]" pageId="2" pageNumber="197">
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<emphasis id="D0EA2D31FFBA3104FF582F86BF25FCEA" bold="true" box="[199,324,757,783]" pageId="2" pageNumber="197">Diagnosis:</emphasis>
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Head. Eye medium (1/5–1/3 head length). Antenna 1 short, not reaching midpoint of peduncular article 5 of antenna 2. Antenna 2 peduncular articles slightly incrassate; article 3 without plate or process ventrally. Labrum epistome without robust setae. Labrum median groove without robust setae. Mandible left
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<emphasis id="D0EA2D31FFBA3104FB6A2E4DBBFDFCBD" box="[1269,1436,830,856]" italics="true" pageId="2" pageNumber="197">lacinia mobilis</emphasis>
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4-dentate. Maxilliped palp broad, article 2 with distomedial lobe; article 4 reduced, button-shaped.
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</paragraph>
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<paragraph id="E221F123FFBA3104FF582EF5BEA9FB01" blockId="2.[151,1437,686,2008]" pageId="2" pageNumber="197">Pereon. Gnathopod 1 sexually dimorphic; subchelate; posterior margin of merus, carpus and propodus each with lobe covered in palmate setae; carpus longer than propodus; propodus ‘subtriangular’ with well-developed posterodistal lobe, palm transverse. Gnathopod 2 subchelate; posterior margin of merus, carpus and propodus each without lobe covered in palmate setae; propodus palm acute; dactylus attenuated distally, slightly longer than posterior margin of propodus. Oostegites setae with simple smooth tips. Pereopods 3–7 cuspidactylate. Pereopod 4 dactylus similar to that of pereopod 3, slightly thickened proximally along posterior margin. Pereopod 5 short, slightly longer than 2/3 length of pereopod 6; dactylus not inflated. Pereopod 6 not sexually dimorphic in shape, shorter than pereopod 7. Pereopods 6–7 without row of short setae along posterior margin of dactyli. Pereopod 7 not sexually modified in shape; propodus slender, length 7.0 × width. T-setae present in male antenna 2 and pereopods 3–7.</paragraph>
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<paragraph id="E221F123FFBA3104FF58299DBB44FA59" blockId="2.[151,1437,686,2008]" pageId="2" pageNumber="197">
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Pleon. Pleonites 1–3 without dorsal spines. Pleopods 1–3 all well-developed. Epimera 1–3 slits absent. Uropod
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<specimenCount id="F4983AAAFFBA3104FF082861BE82FAC9" box="[151,227,1298,1324]" count="1" pageId="2" pageNumber="197" type="male">1 male</specimenCount>
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exopod not sexually dimorphic, peduncle distolateral robust seta present; rami without apical spear-shaped setae; endopod with marginal robust setae in one row; exopod with marginal robust setae in one row. Uropod 2 rami without apical spear-shaped setae; exopod with marginal robust setae in one row; endopod with marginal robust setae in one row. Uropod 3 ramus shorter than peduncle. Telson longer than broad, tapering distally, apically incised, with complete dorsal groove, with at most 6 robust setae per lobe, only one marginal and the rest apical.
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</paragraph>
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</subSubSection>
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<subSubSection id="AA84A2A8FFBA3105FF5828B5BFAEFD84" lastPageId="3" lastPageNumber="198" pageId="2" pageNumber="197" type="discussion">
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<paragraph id="E221F123FFBA3104FF5828B5BA3AF9A9" blockId="2.[151,1437,686,2008]" pageId="2" pageNumber="197">
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<emphasis id="D0EA2D31FFBA3104FF5828B5BF5CFA05" bold="true" box="[199,317,1478,1504]" pageId="2" pageNumber="197">Remarks:</emphasis>
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The establishment of relationships between the members of
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<taxonomicName id="259E8AA0FFBA3104FB8628B5BAE5FA05" authorityName="Rafinesque" authorityYear="1815" box="[1049,1156,1478,1504]" class="Malacostraca" family="Talitridae" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="197" phylum="Arthropoda" rank="family">Talitridae</taxonomicName>
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has been based almost exclusively on patterns of morphological similarity, so as there is no phylogenetic support, taxonomic discussions for the more than 50 described genera are based on combinations of characters, being still pending to test the monophyly in most of these taxa (e.g.
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<bibRefCitation id="860F8CD2FFBA3104FDDA2B41BD5CF9A9" author="Lowry, J. K. & Myers, A. A." box="[581,829,1586,1612]" pageId="2" pageNumber="197" pagination="1 - 100" refId="ref10644" refString="Lowry, J. K. & Myers, A. A. (2019) New genera of Talitridae in the revised superfamily Talitroidea Bulycheva 1957 (Crustacea, Amphipoda, Senticaudata). Zootaxa, 4553 (1), 1 - 100. https: // doi. org / 10.11646 / zootaxa. 4553.1.1" type="journal article" year="2019">Lowry & Myers 2019</bibRefCitation>
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;
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<bibRefCitation id="860F8CD2FFBA3104FCD62B41BA31F9A9" author="Myers, A. A. & Lowry, J. K." box="[841,1104,1586,1612]" pageId="2" pageNumber="197" pagination="281 - 310" refId="ref11040" refString="Myers, A. A. & Lowry, J. K. (2020 a) A phylogeny and classification of the Talitroidea (Amphipoda, Senticaudata) based on interpretation of morphological synapomorphies and homoplasies. Zootaxa, 4778 (2), 281 - 310. https: // doi. org / 10.11646 / zootaxa. 4778.2.3" type="journal article" year="2020">Myers & Lowry 2020a</bibRefCitation>
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).
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</paragraph>
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<paragraph id="E221F123FFBA3104FF582B25BD40F875" blockId="2.[151,1437,686,2008]" pageId="2" pageNumber="197">
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The genus
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<taxonomicName id="259E8AA0FFBA3104FEDC2B25BC61F995" authorityName="Pérez-Schultheiss & Fernández & Ribeiro" authorityYear="2024" box="[323,512,1622,1648]" class="Malacostraca" family="Talitridae" genus="Atacamorchestia" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="197" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="D0EA2D31FFBA3104FEDC2B25BC61F995" box="[323,512,1622,1648]" italics="true" pageId="2" pageNumber="197">Atacamorchestia</emphasis>
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</taxonomicName>
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<emphasis id="D0EA2D31FFBA3104FD992B25BC11F995" bold="true" box="[518,624,1622,1648]" pageId="2" pageNumber="197">
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<taxonomicNameLabel id="CBD9904AFFBA3104FD992B25BC11F995" box="[518,624,1622,1648]" pageId="2" pageNumber="197" rank="genus">gen. nov.</taxonomicNameLabel>
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</emphasis>
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shares most of the characters that define the subfamily
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<taxonomicName id="259E8AA0FFBA3104FB7D2B25BBF8F995" authorityName="Lowry & Myers" authorityYear="2022" box="[1250,1433,1622,1648]" class="Malacostraca" family="Talitridae" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="197" phylum="Arthropoda" rank="subFamily" subFamily="Platorchestiinae">Platorchestiinae</taxonomicName>
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; however, discrepancies were observed with respect to some of the diagnostic characters proposed by
|
||
<bibRefCitation id="860F8CD2FFBA3104FAAD2B09BF54F95D" author="Lowry, J. & Myers, A. A." pageId="2" pageNumber="197" pagination="1 - 53" refId="ref10702" refString="Lowry, J. K & Myers, A. A. (2022) Platorchestiinae subfam. nov. (Amphipoda, Senticaudata, Talitridae) with the description of three new genera and four new species. Zootaxa, 5100 (1), 1 - 53. https: // doi. org / 10.11646 / zootaxa. 5100.1.1" type="journal article" year="2022">Lowry & Myers (2022)</bibRefCitation>
|
||
. Two important features for the differentiation of the subfamily
|
||
<taxonomicName id="259E8AA0FFBA3104FB912BEDBAA0F95D" authorityName="Lowry & Myers" authorityYear="2022" box="[1038,1217,1694,1720]" class="Malacostraca" family="Talitridae" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="197" phylum="Arthropoda" rank="subFamily" subFamily="Platorchestiinae">Platorchestiinae</taxonomicName>
|
||
from
|
||
<taxonomicName id="259E8AA0FFBA3104FA982BEDBB13F95D" authorityName="Rafinesque" authorityYear="1815" box="[1287,1394,1694,1720]" class="Malacostraca" family="Talitridae" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="197" phylum="Arthropoda" rank="subFamily" subFamily="Talitrinae">Talitrinae</taxonomicName>
|
||
are the absence of lobes with palmate setae on merus of gnathopod 1 and the absence of dorsal robust setae on exopodite of uropod 1, however, these features may be subject to ontogenetic variation. For example, recent observations indicate that in large male specimens of
|
||
<taxonomicName id="259E8AA0FFBA3104FDCD2A79BD19F8C1" authority="Lowry, 2012" authorityName="Lowry" authorityYear="2012" box="[594,888,1802,1828]" class="Malacostraca" family="Talitridae" genus="Vallorchestia" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="197" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="D0EA2D31FFBA3104FDCD2A79BC84F8C1" box="[594,741,1802,1828]" italics="true" pageId="2" pageNumber="197">Vallorchestia</emphasis>
|
||
<bibRefCitation id="860F8CD2FFBA3104FD752A79BD19F8C1" author="Lowry, J. K." box="[746,888,1802,1828]" pageId="2" pageNumber="197" pagination="1 - 26" refId="ref10458" refString="Lowry, J. K. (2012) Talitrid amphipods from ocean beaches along the New South Wales coast of Australia (Amphipoda, Talitridae). Zootaxa, 3575 (1), 1 - 26. https: // doi. org / 10.11646 / zootaxa. 3575.1.1" type="journal article" year="2012">Lowry, 2012</bibRefCitation>
|
||
</taxonomicName>
|
||
the presence lobes covered with palmate setae on merus of gnathopod 1 may be insinuated (L. Hughes, personal communication), whereas in
|
||
<taxonomicName id="259E8AA0FFBA3104FB382A5DBB05F8AD" authorityName="Pérez-Schultheiss & Fernández & Ribeiro" authorityYear="2024" box="[1191,1380,1838,1864]" class="Malacostraca" family="Talitridae" genus="Atacamorchestia" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="197" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="D0EA2D31FFBA3104FB382A5DBB05F8AD" box="[1191,1380,1838,1864]" italics="true" pageId="2" pageNumber="197">Atacamorchestia</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="D0EA2D31FFBA3104FAF42A5DBEA9F889" bold="true" pageId="2" pageNumber="197">
|
||
<taxonomicNameLabel id="CBD9904AFFBA3104FAF42A5DBEA9F889" pageId="2" pageNumber="197" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
are very well developed. Additionally, the appearance of robust setae on the exopodite of uropod 1 has been observed in most developed individuals of the new genus.
|
||
</paragraph>
|
||
<paragraph id="E221F123FFBA3105FF582AE9BE89FEA4" blockId="2.[151,1437,686,2008]" lastBlockId="3.[151,1437,151,609]" lastPageId="3" lastPageNumber="198" pageId="2" pageNumber="197">
|
||
The presence of T shape setae in male individuals immediately relates
|
||
<taxonomicName id="259E8AA0FFBA3104FC7F2AE9BAFCF851" authorityName="Pérez-Schultheiss & Fernández & Ribeiro" authorityYear="2024" box="[992,1181,1946,1972]" class="Malacostraca" family="Talitridae" genus="Atacamorchestia" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="197" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="D0EA2D31FFBA3104FC7F2AE9BAFCF851" box="[992,1181,1946,1972]" italics="true" pageId="2" pageNumber="197">Atacamorchestia</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="D0EA2D31FFBA3104FB3B2AE9BB6CF851" bold="true" box="[1188,1293,1946,1972]" pageId="2" pageNumber="197">
|
||
<taxonomicNameLabel id="CBD9904AFFBA3104FB3B2AE9BB6CF851" box="[1188,1293,1946,1972]" pageId="2" pageNumber="197" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
to the genus
|
||
<taxonomicName id="259E8AA0FFBA3104FF082ACDBF4BF83D" authorityName="Lowry" authorityYear="2012" box="[151,298,1982,2008]" class="Malacostraca" family="Talitridae" genus="Vallorchestia" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="197" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="D0EA2D31FFBA3104FF082ACDBF4BF83D" box="[151,298,1982,2008]" italics="true" pageId="2" pageNumber="197">Vallorchestia</emphasis>
|
||
</taxonomicName>
|
||
, described by
|
||
<bibRefCitation id="860F8CD2FFBA3104FE502ACDBC0DF83D" author="Lowry, J. K." box="[463,620,1982,2008]" pageId="2" pageNumber="197" pagination="1 - 26" refId="ref10458" refString="Lowry, J. K. (2012) Talitrid amphipods from ocean beaches along the New South Wales coast of Australia (Amphipoda, Talitridae). Zootaxa, 3575 (1), 1 - 26. https: // doi. org / 10.11646 / zootaxa. 3575.1.1" type="journal article" year="2012">Lowry (2012)</bibRefCitation>
|
||
from
|
||
<collectingRegion id="205A3FC1FFBA3104FD2D2ACDBD1FF83D" box="[690,894,1982,2008]" country="Australia" name="New South Wales" pageId="2" pageNumber="197">New South Wales</collectingRegion>
|
||
,
|
||
<collectingCountry id="9A89B1B3FFBA3104FC172ACDBD93F83D" box="[904,1010,1982,2008]" name="Australia" pageId="2" pageNumber="197">Australia</collectingCountry>
|
||
. These special setae, longer and more flexible than normal in the distal half of the structure, have a characteristic wide apical expansion and are present only in these two genera among all known talitrids. However, T setae in
|
||
<taxonomicName id="259E8AA0FFBB3105FC7A2DC8BA19FF30" authorityName="Lowry" authorityYear="2012" box="[997,1144,187,213]" class="Malacostraca" family="Talitridae" genus="Vallorchestia" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="198" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="D0EA2D31FFBB3105FC7A2DC8BA19FF30" box="[997,1144,187,213]" italics="true" pageId="3" pageNumber="198">Vallorchestia</emphasis>
|
||
</taxonomicName>
|
||
are restricted only to the merus and carpus of pereiopod 6, whereas in
|
||
<taxonomicName id="259E8AA0FFBB3105FD172DACBD24FF1C" authorityName="Pérez-Schultheiss & Fernández & Ribeiro" authorityYear="2024" box="[648,837,223,249]" class="Malacostraca" family="Talitridae" genus="Atacamorchestia" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="198" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="D0EA2D31FFBB3105FD172DACBD24FF1C" box="[648,837,223,249]" italics="true" pageId="3" pageNumber="198">Atacamorchestia</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="D0EA2D31FFBB3105FCD42DACBDD3FF1C" bold="true" box="[843,946,223,249]" pageId="3" pageNumber="198">
|
||
<taxonomicNameLabel id="CBD9904AFFBB3105FCD42DACBDD3FF1C" box="[843,946,223,249]" pageId="3" pageNumber="198" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
they are present on the last three peduncular articles of antenna 2, and on virtually all segments of pereiopods 3 to 7, although are more developed in merus and carpus.
|
||
</paragraph>
|
||
<paragraph id="E221F123FFBB3105FF582C38BFAEFD84" blockId="3.[151,1437,151,609]" pageId="3" pageNumber="198">
|
||
In addition, there is other differences in fully developed males of
|
||
<emphasis id="D0EA2D31FFBB3105FC2A2C38BA2FFE80" box="[949,1102,331,357]" italics="true" pageId="3" pageNumber="198">
|
||
<taxonomicName id="259E8AA0FFBB3105FC2A2C38BA2AFE80" authorityName="Lowry" authorityYear="2012" box="[949,1099,331,357]" class="Malacostraca" family="Talitridae" genus="Vallorchestia" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="198" phylum="Arthropoda" rank="genus">Vallorchestia</taxonomicName>
|
||
,
|
||
</emphasis>
|
||
whose sexual dimorphism in pereopod 7 involves merus and carpus, that are evidently incrassate; whereas in
|
||
<taxonomicName id="259E8AA0FFBB3105FB882C1CBAB5FE6C" authorityName="Pérez-Schultheiss & Fernández & Ribeiro" authorityYear="2024" box="[1047,1236,367,393]" class="Malacostraca" family="Talitridae" genus="Atacamorchestia" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="198" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="D0EA2D31FFBB3105FB882C1CBAB5FE6C" box="[1047,1236,367,393]" italics="true" pageId="3" pageNumber="198">Atacamorchestia</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="D0EA2D31FFBB3105FB442C1CBB25FE6C" bold="true" box="[1243,1348,367,393]" pageId="3" pageNumber="198">
|
||
<taxonomicNameLabel id="CBD9904AFFBB3105FB442C1CBB25FE6C" box="[1243,1348,367,393]" pageId="3" pageNumber="198" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
there is no indication of such modification in fully developed males, being these articles as slender as in smaller individuals. Another important difference is the presence of a well-developed lobe with palmate setae on the merus of gnathopod 1, a structure that varies little through male ontogeny, unlike
|
||
<taxonomicName id="259E8AA0FFBB3105FCDB2CA8BDB6FE10" authorityName="Lowry" authorityYear="2012" box="[836,983,475,501]" class="Malacostraca" family="Talitridae" genus="Vallorchestia" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="198" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="D0EA2D31FFBB3105FCDB2CA8BDB6FE10" box="[836,983,475,501]" italics="true" pageId="3" pageNumber="198">Vallorchestia</emphasis>
|
||
</taxonomicName>
|
||
, where it is generally absent, and barely insinuated in terminal, fully developed individuals (Hughes, personal communication). Additionally, setation of telson in
|
||
<taxonomicName id="259E8AA0FFBB3105FF632F50BFD8FDD8" authorityName="Pérez-Schultheiss & Fernández & Ribeiro" authorityYear="2024" box="[252,441,547,573]" class="Malacostraca" family="Talitridae" genus="Atacamorchestia" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="198" phylum="Arthropoda" rank="genus" status="gen. nov.">
|
||
<emphasis id="D0EA2D31FFBB3105FF632F50BFD8FDD8" box="[252,441,547,573]" italics="true" pageId="3" pageNumber="198">Atacamorchestia</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="D0EA2D31FFBB3105FE202F50BC49FDD8" bold="true" box="[447,552,547,573]" pageId="3" pageNumber="198">
|
||
<taxonomicNameLabel id="CBD9904AFFBB3105FE202F50BC49FDD8" box="[447,552,547,573]" pageId="3" pageNumber="198" rank="genus">gen. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is reduced to only one dorsolateral seta per lobe; whereas in
|
||
<taxonomicName id="259E8AA0FFBB3105FB542F50BB3FFDD8" authorityName="Lowry" authorityYear="2012" box="[1227,1374,547,573]" class="Malacostraca" family="Talitridae" genus="Vallorchestia" kingdom="Animalia" order="Amphipoda" pageId="3" pageNumber="198" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="D0EA2D31FFBB3105FB542F50BB3FFDD8" box="[1227,1374,547,573]" italics="true" pageId="3" pageNumber="198">Vallorchestia</emphasis>
|
||
</taxonomicName>
|
||
there is 2–3 setae in this position.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |