148 lines
16 KiB
XML
148 lines
16 KiB
XML
<document id="6F34947B73593EA347CDF24E4F0C08D9" ID-DOI="10.3853/j.0067-1975.54.2002.1359" ID-ISSN="2201-4349" ID-Zenodo-Dep="5754788" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1618341651244" checkinUser="carolina" docAuthor="Wilson, George D. F. & Keable, Stephen J." docDate="2002" docId="7209B242D81ED60FE05DFB2C0B32FCAF" docLanguage="en" docName="RecAustMus.54.1.41-70.pdf" docOrigin="Records of the Australian Museum 54 (1)" docSource="https://journals.australian.museum/wilson-and-keable-2002-rec-aust-mus-541-4170/" docStyle="DocumentStyle:7863F7301B7BEE922F541F6F9B5AEEC6.2:RecAustMus.2008-2018.journal_article.0cover" docStyleId="7863F7301B7BEE922F541F6F9B5AEEC6" docStyleName="RecAustMus.2008-2018.journal_article.0cover" docStyleVersion="2" docTitle="Platypyga Wilson & Keable 2002, n.gen." docType="treatment" docVersion="3" lastPageNumber="60" masterDocId="8E30CA3AD80DD61CE10FFFA50E75FF9A" masterDocTitle="New Genera of Phreatoicidea (Crustacea: Isopoda) from Western Australia" masterLastPageNumber="70" masterPageNumber="41" pageNumber="60" updateTime="1698905221413" updateUser="plazi" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:titleInfo id="534EE81AEBFD1E64ACDA66CC4F7F51B9">
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<mods:title id="2857FBBE37580BA32EA10A0A38BECE5D">New Genera of Phreatoicidea (Crustacea: Isopoda) from Western Australia</mods:title>
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</mods:titleInfo>
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<mods:namePart id="3F43B1F9F53514B07A6C22806FC958B8">Wilson, George D. F.</mods:namePart>
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<mods:roleTerm id="AC7F82CB6BED022F79799B72A94997B5">Author</mods:roleTerm>
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<mods:namePart id="3ED8466E563BAEA52D196DE6B582B659">Keable, Stephen J.</mods:namePart>
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<mods:typeOfResource id="943444CD58D758DF020D996B5330A01D">text</mods:typeOfResource>
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<mods:title id="1E848FC2AE4921229412F7685D3D0F16">Records of the Australian Museum</mods:title>
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</mods:titleInfo>
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<mods:part id="64112A684B022C7009E1E70D0C73E935">
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<mods:date id="23EE0D97A1CA9191EED94FED7CAA0A8F">2002</mods:date>
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<mods:number id="58531B28A995700A2470156D88073AA2">2002-06-01</mods:number>
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<mods:number id="1D8C549F2F5424A42A1A4E75ABF956F4">54</mods:number>
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<mods:url id="417FEEA1E418FA538C3FE98E6C3B8B4D">https://journals.australian.museum/wilson-and-keable-2002-rec-aust-mus-541-4170/</mods:url>
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<mods:classification id="907FED2CEC64FF4F2BFD5645EF489618">journal article</mods:classification>
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<mods:identifier id="E9B4A8616DAA7793260C229272150FE9" type="DOI">10.3853/j.0067-1975.54.2002.1359</mods:identifier>
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<mods:identifier id="10840D60638B74A905AC3156B4DE1989" type="ISSN">2201-4349</mods:identifier>
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<treatment id="7209B242D81ED60FE05DFB2C0B32FCAF" LSID="urn:lsid:plazi:treatment:7209B242D81ED60FE05DFB2C0B32FCAF" httpUri="http://treatment.plazi.org/id/7209B242D81ED60FE05DFB2C0B32FCAF" lastPageNumber="60" pageId="19" pageNumber="60">
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<subSubSection id="B2BA50DFD81ED60FE05DFB2C0C19FB48" pageId="19" pageNumber="60" type="nomenclature">
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<paragraph id="FA1F0354D81ED60FE05DFB2C0C66FB3B" blockId="19.[338,531,1161,1185]" box="[338,531,1161,1185]" pageId="19" pageNumber="60">
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<heading id="A157B438D81ED60FE05DFB2C0C66FB3B" box="[338,531,1161,1185]" centered="true" fontSize="11" level="2" pageId="19" pageNumber="60" reason="2">
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<emphasis id="C8D4DF46D81ED60FE05DFB2C0C66FB3B" bold="true" box="[338,531,1161,1185]" pageId="19" pageNumber="60">
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<taxonomicName id="3DA078D7D81ED60FE05DFB2C0FB1FB3B" ID-CoL="7PSVK" authority="Wilson & Keable, 2002" authorityName="Wilson & Keable" authorityYear="2002" box="[338,452,1161,1185]" class="Malacostraca" family="Amphisopidae" genus="Platypyga" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="C8D4DF46D81ED60FE05DFB2C0FB1FB3B" bold="true" box="[338,452,1161,1185]" italics="true" pageId="19" pageNumber="60">Platypyga</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="D3E7623DD81ED60FE0C3FB2C0C66FB3B" box="[460,531,1161,1185]" pageId="19" pageNumber="60" rank="genus">n.gen.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="FA1F0354D81ED60FE176FB180C19FB48" blockId="19.[121,620,1213,1261]" box="[121,620,1213,1234]" pageId="19" pageNumber="60">“New Genus 4” Wilson & Johnson, 1999: 265, fig. 1.</paragraph>
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</subSubSection>
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<subSubSection id="B2BA50DFD81ED60FE176FB7D0C3AFB77" box="[121,591,1240,1261]" pageId="19" pageNumber="60" type="description">
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<paragraph id="FA1F0354D81ED60FE176FB7D0C3AFB77" blockId="19.[121,620,1213,1261]" box="[121,591,1240,1261]" pageId="19" pageNumber="60">“New Genus X4” Wilson & Keable, 2001, table 1.</paragraph>
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</subSubSection>
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<subSubSection id="B2BA50DFD81ED60FE176FAAC0C5BFABA" box="[121,558,1289,1313]" pageId="19" pageNumber="60" type="type_taxon">
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<paragraph id="FA1F0354D81ED60FE176FAAC0C5BFABA" blockId="19.[121,558,1289,1313]" box="[121,558,1289,1313]" pageId="19" pageNumber="60">
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<emphasis id="C8D4DF46D81ED60FE176FAAC0F72FABB" bold="true" box="[121,263,1289,1313]" pageId="19" pageNumber="60">
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<typeStatus id="251BBDF6D81ED60FE176FAAC0EC4FABB" box="[121,177,1289,1313]" pageId="19" pageNumber="60">Type</typeStatus>
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species
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</emphasis>
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.
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<taxonomicName id="3DA078D7D81ED60FE01AFAAC0F81FABA" ID-CoL="4JXMF" authority="Wilson & Keable, 2002" authorityName="Wilson & Keable" authorityYear="2002" box="[277,500,1289,1312]" class="Malacostraca" family="Amphisopidae" genus="Platypyga" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="subpetrae" status="sp. nov.">
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<emphasis id="C8D4DF46D81ED60FE01AFAAC0F81FABA" box="[277,500,1289,1312]" italics="true" pageId="19" pageNumber="60">Platypyga subpetrae</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="D3E7623DD81ED60FE0F4FAAC0C5BFABA" box="[507,558,1289,1312]" pageId="19" pageNumber="60" rank="species">n.sp.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="B2BA50DFD81ED60FE176FA980FFDFA15" pageId="19" pageNumber="60" type="etymology">
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<paragraph id="FA1F0354D81ED60FE176FA980FFDFA15" blockId="19.[121,737,1341,1423]" pageId="19" pageNumber="60">
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<emphasis id="C8D4DF46D81ED60FE176FA980E80FACF" bold="true" box="[121,245,1341,1365]" pageId="19" pageNumber="60">Etymology</emphasis>
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.
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<taxonomicName id="3DA078D7D81ED60FE000FA980F09FACE" authorityName="Wilson & Keable" authorityYear="2002" box="[271,380,1341,1364]" class="Malacostraca" family="Amphisopidae" genus="Platypyga" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">
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<emphasis id="C8D4DF46D81ED60FE000FA980F09FACE" box="[271,380,1341,1364]" italics="true" pageId="19" pageNumber="60">Platypyga</emphasis>
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</taxonomicName>
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is derived from the Greek words meaning “flat rump”, which refers to the flattened posterior margin of the pleotelson.
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</paragraph>
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</subSubSection>
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<subSubSection id="B2BA50DFD81ED60FE176FA0E0F16F8B9" pageId="19" pageNumber="60" type="diagnosis">
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<paragraph id="FA1F0354D81ED60FE176FA0E0F16F8B9" blockId="19.[121,749,1451,1827]" pageId="19" pageNumber="60">
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<emphasis id="C8D4DF46D81ED60FE176FA0E0E9DFA59" bold="true" box="[121,232,1451,1475]" pageId="19" pageNumber="60">Diagnosis</emphasis>
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. Body dorsal surfaces pitted especially on head, lacking elongate setae. Head lacking cervical groove. Pleotelson posterior margin with broad reflexed medial region, compressed toward anterior and dorsal margins, medially cleft, forming curved ridge between widelyseparated dorsal projections, each with large robust setae; postanal ridge narrow, with fine setae. Pereopods V–VII with dorsal ridge plates narrower than basis shaft. Pleopod I protopod with coupling hooks. Uropod protopod ventral ridge with rows of laterally projecting long simple setae; dorsomedial plate absent; distoventral robust setae lacking denticles. Uropod rami distally rounded, with apical elongate robust setae.
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</paragraph>
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</subSubSection>
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<subSubSection id="B2BA50DFD81ED60FE176F8E50B32FCAF" pageId="19" pageNumber="60" type="discussion">
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<paragraph id="FA1F0354D81ED60FE176F8E50B32FCAF" blockId="19.[121,749,1856,1996]" lastBlockId="19.[794,1422,153,821]" pageId="19" pageNumber="60">
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<emphasis id="C8D4DF46D81ED60FE176F8E50E97F8C2" bold="true" box="[121,226,1856,1880]" pageId="19" pageNumber="60">Remarks</emphasis>
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. We homologise the unusual pleotelson posterior margin of
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<taxonomicName id="3DA078D7D81ED60FE1EAF8F80F27F8EE" authority="Wilson & Keable, 2002" authorityName="Wilson & Keable" authorityYear="2002" box="[229,338,1885,1908]" class="Malacostraca" family="Amphisopidae" genus="Platypyga" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="C8D4DF46D81ED60FE1EAF8F80F27F8EE" box="[229,338,1885,1908]" italics="true" pageId="19" pageNumber="60">Platypyga</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="D3E7623DD81ED60FE058F8F80FECF8EE" box="[343,409,1885,1908]" pageId="19" pageNumber="60" rank="genus">n.gen.</taxonomicNameLabel>
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with the cleft medial lobe found in
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<taxonomicName id="3DA078D7D81ED60FE196F8DE0F30F808" authorityName="Nicholls" authorityYear="1943" box="[153,325,1915,1938]" class="Malacostraca" family="Phreatoicopsidae" genus="Synamphisopus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">
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<emphasis id="C8D4DF46D81ED60FE196F8DE0F30F808" box="[153,325,1915,1938]" italics="true" pageId="19" pageNumber="60">Synamphisopus</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="3DA078D7D81ED60FE08DF8DE0C68F808" authorityName="Sheppard" authorityYear="1927" box="[386,541,1915,1938]" class="Malacostraca" family="Amphisopidae" genus="Phreatomerus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">
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<emphasis id="C8D4DF46D81ED60FE08DF8DE0C68F808" box="[386,541,1915,1938]" italics="true" pageId="19" pageNumber="60">Phreatomerus</emphasis>
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</taxonomicName>
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. Although we are uncertain, assuming that the two widely spread lobes are homologous to the medial lobe of the other taxa appears to be the simplest explanation. Thus, the small setose bumps on lateral margin just above the uropodal insertions may be homologous with the lateral lobes of other taxa. The posterior margin in
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<taxonomicName id="3DA078D7D81ED60FE2E2FF540A2FFE92" authorityName="Wilson & Keable" authorityYear="2002" box="[1005,1114,241,264]" class="Malacostraca" family="Amphisopidae" genus="Platypyga" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">
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<emphasis id="C8D4DF46D81ED60FE2E2FF540A2FFE92" box="[1005,1114,241,264]" italics="true" pageId="19" pageNumber="60">Platypyga</emphasis>
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</taxonomicName>
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, however, lacks any definite demarcation between the larger, more dorsal lobes and this group of setae. Other taxa have groups of setae above the uropods, complicating this interpretation. Because of this uncertainty, we have not scored
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<taxonomicName id="3DA078D7D81ED60FE562FEC30AAFFEE7" authorityName="Wilson & Keable" authorityYear="2002" box="[1133,1242,358,381]" class="Malacostraca" family="Amphisopidae" genus="Platypyga" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">
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<emphasis id="C8D4DF46D81ED60FE562FEC30AAFFEE7" box="[1133,1242,358,381]" italics="true" pageId="19" pageNumber="60">Platypyga</emphasis>
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</taxonomicName>
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as having lateral lobes. If, however, the dorsolateral pleotelson lobes of
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<taxonomicName id="3DA078D7D81ED60FE215FE040DF2FE22" authorityName="Wilson & Keable" authorityYear="2002" box="[794,903,417,440]" class="Malacostraca" family="Amphisopidae" genus="Platypyga" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">
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<emphasis id="C8D4DF46D81ED60FE215FE040DF2FE22" box="[794,903,417,440]" italics="true" pageId="19" pageNumber="60">Platypyga</emphasis>
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</taxonomicName>
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are homologous with lateral lobes, phylogenetic analysis (research in progress) might place this taxon among the
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<taxonomicName id="3DA078D7D81ED60FE230FE7E0DA4FE68" authorityName="Chilton" authorityYear="1891" box="[831,977,475,498]" class="Malacostraca" family="Phreatoicidae" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="family">Phreatoicidae</taxonomicName>
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, despite its lacking phreatoicid mandibular (pedunculate spine row, absent right lacinia mobilis) and appendix masculina (generally rod-like) synapomorphies. This placement occurs because, unlike many amphisopodids,
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<taxonomicName id="3DA078D7D81ED60FE285FDF40D82FDF2" authorityName="Wilson & Keable" authorityYear="2002" box="[906,1015,593,616]" class="Malacostraca" family="Amphisopidae" genus="Platypyga" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">
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<emphasis id="C8D4DF46D81ED60FE285FDF40D82FDF2" box="[906,1015,593,616]" italics="true" pageId="19" pageNumber="60">Platypyga</emphasis>
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</taxonomicName>
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also lacks a large dorsomedial plate on the uropodal protopod. The generalised appendix masculina of
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<taxonomicName id="3DA078D7D81ED60FE2A8FD290A66FD39" authorityName="Wilson & Keable" authorityYear="2002" box="[935,1043,652,675]" class="Malacostraca" family="Amphisopidae" genus="Platypyga" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">
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<emphasis id="C8D4DF46D81ED60FE2A8FD290A66FD39" box="[935,1043,652,675]" italics="true" pageId="19" pageNumber="60">Platypyga</emphasis>
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</taxonomicName>
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(concave in proximal cross section, acutely rounded distally with a fringe of setae) is similar to other amphisopodids such as
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<taxonomicName id="3DA078D7D81ED60FE556FD630AA2FD47" authorityName="Wilson & Keable" authorityYear="2002" box="[1113,1239,710,733]" class="Malacostraca" family="Amphisopidae" genus="Eremisopus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">
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<emphasis id="C8D4DF46D81ED60FE556FD630AA2FD47" box="[1113,1239,710,733]" italics="true" pageId="19" pageNumber="60">Eremisopus</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="3DA078D7D81ED60FE403FD630B2DFD47" authorityName="Wilson & Keable" authorityYear="2002" box="[1292,1368,710,733]" class="Malacostraca" family="Amphisopidae" genus="Peludo" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">
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<emphasis id="C8D4DF46D81ED60FE403FD630B2DFD47" box="[1292,1368,710,733]" italics="true" pageId="19" pageNumber="60">Peludo</emphasis>
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</taxonomicName>
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, and may represent a plesiomorphic condition for the suborder. Consequently,
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<taxonomicName id="3DA078D7D81ED60FE2CDFCA40A47FC82" authorityName="Wilson & Keable" authorityYear="2002" box="[962,1074,769,792]" class="Malacostraca" family="Amphisopidae" genus="Platypyga" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">
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<emphasis id="C8D4DF46D81ED60FE2CDFCA40A47FC82" box="[962,1074,769,792]" italics="true" pageId="19" pageNumber="60">Platypyga</emphasis>
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</taxonomicName>
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appears to have has a unique mixture of plesiomorphic and apomorphic features.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |