192 lines
23 KiB
XML
192 lines
23 KiB
XML
<document id="C975DF372E6D695B6F8E808712009578" ID-CLB-Dataset="45351" ID-DOI="10.11646/zootaxa.3826.1.8" ID-GBIF-Dataset="9221fc49-7016-46f8-8f1d-b5f9767bedee" ID-ISSN="1175-5326" ID-Zenodo-Dep="249677" ID-ZooBank="57A3F7A4-A395-4D41-8C18-8EF64B98F414" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460446084349" checkinUser="plazi" docAuthor="Vilvens, Claude, Williams, Suzanne T. & Herbert, David G." docDate="2014" docId="E518B10EDA1BC45EFF11FA63FE289D25" docLanguage="en" docName="zt03826p281.pdf" docOrigin="Zootaxa 3826 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Arxellia tracheia Vilvens, Williams & Herbert, 2014, n. sp." docType="treatment" docVersion="9" lastPageNumber="273" masterDocId="1921C976DA0AC44CFF86FFA8FF9E991D" masterDocTitle="New genus Arxellia with new species of Solariellidae (Gastropoda: Trochoidea) from New Caledonia, Papua New Guinea, Philippines, Western Australia, Vanuatu and Tonga" masterLastPageNumber="281" masterPageNumber="255" pageNumber="272" updateTime="1698333354623" updateUser="ExternalLinkService">
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<mods:mods id="F943A7DD14B09645B5B48F804046C358" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="A740FC34133BF282BDA18F1BAC735A08">
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<mods:title id="570894274F87570F3549724A2453BBB1">New genus Arxellia with new species of Solariellidae (Gastropoda: Trochoidea) from New Caledonia, Papua New Guinea, Philippines, Western Australia, Vanuatu and Tonga</mods:title>
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</mods:titleInfo>
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<mods:name id="CE46CEDF653EB116993AFDB6EB102E08" type="personal">
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<mods:role id="E681F346DE20547FF2505ACDF2AD6E61">
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<mods:roleTerm id="55B8EEFAD45C95782997C545925B9332">Author</mods:roleTerm>
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<mods:namePart id="1DD8EAC9FE2713684A18C93CF916A979">Vilvens, Claude</mods:namePart>
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<mods:roleTerm id="8C5F60A8A0D2DC85651246F2040DDB93">Author</mods:roleTerm>
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<mods:namePart id="6115EDA85B4892C3120483E502DDF554">Williams, Suzanne T.</mods:namePart>
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</mods:name>
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<mods:name id="2F965C35E59E8F3F966BE244848B6F45" type="personal">
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<mods:roleTerm id="75A1AA73F8B9ED6743DCFA34123778E3">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="D87DA989E04DB7BD2EB9213969E8E525">Herbert, David G.</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="0475A38E0290893F56F4ECD231A25486">text</mods:typeOfResource>
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<mods:titleInfo id="3300ECA4F1C901A8867167A9452151D9">
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<mods:title id="D2B0843638E38FC36CC836EE73701654">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="09FE921837833146DBB006EBCF6CDA44">
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<mods:date id="39A4E924B8399901530F647500BC3579">2014</mods:date>
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<mods:detail id="6828A4B148FEA802BCB75FAADEF5A3A7" type="volume">
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<mods:number id="4987C2CF1FF19EAE83A6CAED032CA18A">3826</mods:number>
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<mods:detail id="C6AE92742BC6CFF9C7CF3E0B36F160D0" type="issue">
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<mods:number id="437DF933012601A9FC9F48531A7CC9D8">1</mods:number>
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<mods:identifier id="59D379DDA9A0559D52D7B610C0CE26AC" type="DOI">10.11646/zootaxa.3826.1.8</mods:identifier>
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<mods:identifier id="4A183667BA5A828ACE989011B2A16FC1" type="GBIF-Dataset">9221fc49-7016-46f8-8f1d-b5f9767bedee</mods:identifier>
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<treatment id="E518B10EDA1BC45EFF11FA63FE289D25" ID-DOI="http://doi.org/10.5281/zenodo.6140284" ID-GBIF-Taxon="119509421" ID-Zenodo-Dep="6140284" LSID="urn:lsid:plazi:treatment:E518B10EDA1BC45EFF11FA63FE289D25" httpUri="http://treatment.plazi.org/id/E518B10EDA1BC45EFF11FA63FE289D25" lastPageId="18" lastPageNumber="273" pageId="17" pageNumber="272">
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<subSubSection id="25AB5393DA1BC45DFF11FA63FD859F55" pageId="17" pageNumber="272" type="nomenclature">
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<paragraph id="6D0E0018DA1BC45DFF11FA63FE3E9CF8" blockId="17.[151,416,1483,1544]" box="[151,416,1483,1509]" pageId="17" pageNumber="272">
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<heading id="3646B774DA1BC45DFF11FA63FE3E9CF8" bold="true" box="[151,416,1483,1509]" fontSize="10" level="2" pageId="17" pageNumber="272" reason="2">
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<emphasis id="5FC5DC0ADA1BC45DFF11FA63FE3E9CF8" bold="true" box="[151,416,1483,1509]" pageId="17" pageNumber="272">
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<taxonomicName id="AAB17B9BDA1BC45DFF11FA63FEC49CF9" box="[151,346,1483,1508]" class="Gastropoda" family="Solariellidae" genus="Arxellia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Vetigastropoda" pageId="17" pageNumber="272" phylum="Mollusca" rank="species" species="tracheia" status="sp. nov.">
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<emphasis id="5FC5DC0ADA1BC45DFF11FA63FEC49CF9" bold="true" box="[151,346,1483,1508]" italics="true" pageId="17" pageNumber="272">Arxellia tracheia</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="44F66171DA1BC45DFEE7FA64FE3E9CF8" box="[353,416,1484,1509]" pageId="17" pageNumber="272" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="6D0E0018DA1BC45DFF11FA47FEDD9F15" blockId="17.[151,416,1483,1544]" box="[151,323,1519,1544]" pageId="17" pageNumber="272">
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(
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<figureCitation id="F58A1C9DDA1BC45DFF19FA47FF799F15" box="[159,231,1519,1544]" captionStart="FIGURES 1 – 9" captionStartId="4.[151,264,1947,1970]" captionTargetBox="[214,1372,195,1933]" captionTargetId="figure@4.[214,1373,195,1934]" captionTargetPageId="4" captionText="FIGURES 1 – 9. Arxellia new species, all holotypes except A. tenorioi. 1, A. trochos, n. sp., type species of Arxellia n. gen. 2, A. boucheti n. sp. 3, A. herosae n. sp. 4, A. helicoides n. sp. 5, A. tenorioi n. sp. 6, A. tracheia n. sp. 7, A. maestratii n. sp. 8, A. thaumasta n. sp. 9, A. erythrea n. sp. Scale bar = 5 mm." httpUri="https://zenodo.org/record/249678/files/figure.png" pageId="17" pageNumber="272">Figs 6</figureCitation>
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,
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<figureCitation id="F58A1C9DDA1BC45DFF75FA58FEA59F15" box="[243,315,1520,1544]" captionStart="FIGURES 70 – 74" captionStartId="18.[151,264,1942,1965]" captionTargetBox="[188,1398,1137,1931]" captionTargetId="figure@18.[188,1398,1137,1931]" captionTargetPageId="18" captionText="FIGURES 70 – 74. Arxellia tracheia n. sp., holotype MNHN IM- 2009 - 15183, Papua New Guinea. 70 – 72, shell, 6.7 x 6.4 mm. 73, details of protoconch and early whorls. 74, details of columella, umbilicus and aperture. Scale bar = 5 mm, except fig. 73: 100 µm, fig. 74: 1 mm." httpUri="https://zenodo.org/record/249687/files/figure.png" pageId="17" pageNumber="272">70–74</figureCitation>
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)
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</paragraph>
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<paragraph id="6D0E0018DA1BC45DFF11F99AFD859F55" blockId="17.[151,539,1586,1608]" box="[151,539,1586,1608]" pageId="17" pageNumber="272">
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Clade A, sp. 3—
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<bibRefCitation id="09207DE9DA1BC45DFEB9F99AFD899F55" author="Williams" box="[319,535,1586,1608]" pageId="17" pageNumber="272" refString="Williams, S. T., Smith, L. M., Herbert, D. G., Marshall, B. A., Waren, A., Kiel, S., Dyal, P., Linse, K., Vilvens, C. & Kano, Y. (2013) Cenozoic climate change and diversification on the continental shelf and slope: evolution of gastropod diversity in the family Solariellidae (Trochoidea). Ecology and Evolution, 3, 887 - 917. http: // dx. doi. org / 10.1002 / ece 3.513" type="journal article" year="2013">
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Williams
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<emphasis id="5FC5DC0ADA1BC45DFE24F99BFE489F55" box="[418,470,1586,1608]" italics="true" pageId="17" pageNumber="272">et al.</emphasis>
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, 2013
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</bibRefCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="25AB5393DA1BC45DFF11F9DDFEF79FE7" pageId="17" pageNumber="272" type="materials_examined">
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<paragraph id="6D0E0018DA1BC45DFF11F9DDFC1E9F93" blockId="17.[151,1436,1653,2038]" box="[151,896,1653,1678]" pageId="17" pageNumber="272">
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<emphasis id="5FC5DC0ADA1BC45DFF11F9DDFEDB9F93" bold="true" box="[151,325,1653,1678]" pageId="17" pageNumber="272">
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<typeStatus id="B20ABEBADA1BC45DFF11F9DDFF4C9F93" box="[151,210,1653,1678]" pageId="17" pageNumber="272">Type</typeStatus>
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material.
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</emphasis>
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<typeStatus id="B20ABEBADA1BC45DFECAF9DDFE2A9F93" box="[332,436,1653,1678]" pageId="17" pageNumber="272" type="holotype">Holotype</typeStatus>
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(6.7 x
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<quantity id="AA49ADFDDA1BC45DFD85F9DDFDC59F93" box="[515,603,1653,1678]" metricMagnitude="-3" metricUnit="m" metricValue="6.4" pageId="17" pageNumber="272" unit="mm" value="6.4">6.4 mm</quantity>
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)
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<collectionCode id="0BA098DDDA1BC45DFDEFF9DEFD209F90" LSID="urn:lsid:biocol.org:col:34988" box="[617,702,1654,1677]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="17" pageNumber="272">MNHN</collectionCode>
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<collectionCode id="0BA098DDDA1BC45DFD40F9DDFD6D9F93" box="[710,755,1653,1678]" pageId="17" pageNumber="272">IM-</collectionCode>
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2009-15183.
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</paragraph>
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||
<paragraph id="6D0E0018DA1BC45DFF41F931FAFB9FAC" blockId="17.[151,1436,1653,2038]" box="[199,1381,1689,1714]" pageId="17" pageNumber="272">
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<emphasis id="5FC5DC0ADA1BC45DFF41F931FEFB9FAF" bold="true" box="[199,357,1689,1714]" pageId="17" pageNumber="272">
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||
<typeStatus id="B20ABEBADA1BC45DFF41F931FE9C9FAF" box="[199,258,1689,1714]" pageId="17" pageNumber="272">Type</typeStatus>
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||
locality.
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||
</emphasis>
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||
<collectingCountry id="15A64088DA1BC45DFEEAF932FDD99FAF" box="[364,583,1689,1714]" name="Papua New Guinea" pageId="17" pageNumber="272">Papua New Guinea</collectingCountry>
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||
, Vitiaz Strait, BIOPAPUA, stn CP3721,
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<geoCoordinate id="088566DFDA1BC45DFB8BF931FBC39FAF" box="[1037,1117,1689,1714]" direction="south" orientation="latitude" pageId="17" pageNumber="272" precision="925" value="-6.05">6°03’S</geoCoordinate>
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,
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||
<geoCoordinate id="088566DFDA1BC45DFBECF932FB4D9FAF" box="[1130,1235,1690,1714]" direction="east" orientation="longitude" pageId="17" pageNumber="272" precision="925" value="147.61667">147°37'E</geoCoordinate>
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||
,
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<quantity id="AA49ADFDDA1BC45DFB59F931FAFF9FAC" box="[1247,1377,1689,1714]" metricMagnitude="2" metricUnit="m" metricValue="5.4799999999999995" metricValueMax="5.54" metricValueMin="5.42" pageId="17" pageNumber="272" unit="m" value="548.0" valueMax="554.0" valueMin="542.0">
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||
542–
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||
<specimenCount id="7BB7CB91DA1BC45DFA91F931FAFF9FAC" box="[1303,1377,1689,1714]" pageId="17" pageNumber="272" type="generic">554 m</specimenCount>
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</quantity>
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||
.
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</paragraph>
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<paragraph id="6D0E0018DA1BC45DFF41F915FEF79FE7" blockId="17.[151,1436,1653,2038]" pageId="17" pageNumber="272">
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||
<emphasis id="5FC5DC0ADA1BC45DFF41F915FE2F9FCB" bold="true" box="[199,433,1725,1750]" pageId="17" pageNumber="272">Material examined.</emphasis>
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<collectingCountry id="15A64088DA1BC45DFE3CF916FD069FCB" box="[442,664,1725,1750]" name="Papua New Guinea" pageId="17" pageNumber="272">Papua New Guinea</collectingCountry>
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||
, Vitiaz Strait. BIOPAPUA: stn CP3721,
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||
<geoCoordinate id="088566DFDA1BC45DFBE0F915FB289FCB" box="[1126,1206,1725,1750]" direction="south" orientation="latitude" pageId="17" pageNumber="272" precision="925" value="-6.05">6°03’S</geoCoordinate>
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,
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<geoCoordinate id="088566DFDA1BC45DFB45F916FAB39FCB" box="[1219,1325,1726,1750]" direction="east" orientation="longitude" pageId="17" pageNumber="272" precision="925" value="147.61667">147°37'E</geoCoordinate>
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,
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<quantity id="AA49ADFDDA1BC45DFABCF915FF319FE4" metricMagnitude="2" metricUnit="m" metricValue="5.4799999999999995" metricValueMax="5.54" metricValueMin="5.42" pageId="17" pageNumber="272" unit="m" value="548.0" valueMax="554.0" valueMin="542.0">542–554 m</quantity>
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, 1 lv (
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<typeStatus id="B20ABEBADA1BC45DFF72F949FEC29FE7" box="[244,348,1761,1786]" pageId="17" pageNumber="272" type="holotype">holotype</typeStatus>
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||
).
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</paragraph>
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||
</subSubSection>
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<subSubSection id="25AB5393DA1BC45DFF41F8ADFD6F9E03" box="[199,753,1797,1822]" pageId="17" pageNumber="272" type="distribution">
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||
<paragraph id="6D0E0018DA1BC45DFF41F8ADFD6F9E03" blockId="17.[151,1436,1653,2038]" box="[199,753,1797,1822]" pageId="17" pageNumber="272">
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||
<emphasis id="5FC5DC0ADA1BC45DFF41F8ADFEFE9E03" bold="true" box="[199,352,1797,1822]" pageId="17" pageNumber="272">Distribution.</emphasis>
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||
Only known from the
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||
<typeStatus id="B20ABEBADA1BC45DFDE6F8AEFD0E9E03" box="[608,656,1798,1822]" pageId="17" pageNumber="272">type</typeStatus>
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||
locality.
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="25AB5393DA1BC45EFF41F881FE599A08" lastPageId="18" lastPageNumber="273" pageId="17" pageNumber="272" type="description">
|
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<paragraph id="6D0E0018DA1BC45EFF41F881FC0A9BD0" blockId="17.[151,1436,1653,2038]" lastBlockId="18.[151,1437,151,1080]" lastPageId="18" lastPageNumber="273" pageId="17" pageNumber="272">
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||
<emphasis id="5FC5DC0ADA1BC45DFF41F881FEC79E5F" bold="true" box="[199,345,1833,1858]" pageId="17" pageNumber="272">Description.</emphasis>
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Shell: Size moderate for genus (height
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||
<quantity id="AA49ADFDDA1BC45DFCA8F881FC149E5C" box="[814,906,1833,1858]" metricMagnitude="-3" metricUnit="m" metricValue="6.7" pageId="17" pageNumber="272" unit="mm" value="6.7">6.7 mm</quantity>
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||
, width
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||
<quantity id="AA49ADFDDA1BC45DFC62F881FBDC9E5F" box="[996,1090,1833,1858]" metricMagnitude="-3" metricUnit="m" metricValue="6.4" pageId="17" pageNumber="272" unit="mm" value="6.4">6.4 mm</quantity>
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||
), conical, slightly higher than wide; height 1.05x width, 2.9x aperture height; periphery subangular. Protoconch paucispiral, diameter approximately 350 µm, rounded, with minute, crisp granules and 6 thin, more or less equally spaced spiral threads, adapical threads arising at half whorl; terminal lip straight, without varix. Teleoconch of up to 5.4 whorls; first two whorls moderately convex, subsequent whorls almost straight; shoulder horizontal on first three whorls, evanescing on later whorls; whorls sculptured with up to 9 spiral cords; cords thin and nearly smooth on first two whorls, thicker and beaded on following whorls; beads of adapical cords much stronger. Suture shallowly canaliculate on early whorls, not so on final whorl. First whorl convex, sculptured by 5 thin, more or less equally spaced spiral cords arising immediately except P1 appearing a little later; P1 at rim of shoulder, P5 just above suture; faint, close-set axial threads in cord intervals. On second whorl, all cords similar in size; P5 partially covered by suture; axial threads evanescing in middle of whorl. Prosocline axial folds arise during third whorl, stronger on subsutural area and adapical part, rendering P1 beaded; P1 and P4 strongest, both beaded, P1 stronger than P4; P4 forming suprasutural carina; P3 weakening; secondary cord S3 arising in middle of whorl, rapidly equalling P
|
||
<quantity id="AA49ADFDDA18C45EFE98FE3CFED098B0" box="[286,334,404,429]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" pageId="18" pageNumber="273" unit="in" value="3.0">3 in</quantity>
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||
strength. On fourth and fifth whorls, P1 and P4 strongest, P2, P3 and S3 weakest, P5 of intermediate strength. On last whorl, T1 arising at start of whorl, between P1 and P2; T2 arising at same time, between S3 and P4, both subgranular; S5 arsing at periphery. Aperture roundly quadrate, weakly oblique; peristome incomplete; outer and inner lips moderately thick at rim; angulation at base of columella weak. Columella vertical, shallowly concave, with small basal flange fused to strong callus and forming one lobe at midpoint, partially overlapping umbilicus. Base almost flat, with 4 thin, smooth outer cords, intervals between cords twice width of cords; median area smooth; a single strong cord with coarse, axially elongated beads marking angulate rim of umbilicus. Umbilicus superficially wide (diameter
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<emphasis id="5FC5DC0ADA18C45EFC0CFD39FC3B9BB5" box="[906,933,657,680]" italics="true" pageId="18" pageNumber="273">ca</emphasis>
|
||
. 23% of shell width), but funnel-shaped and thus narrowing internally, its wall sculptured with thin axial threads.
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</paragraph>
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<paragraph id="6D0E0018DA18C45EFF41FD7FFE599A08" blockId="18.[151,1437,151,1080]" pageId="18" pageNumber="273">Colour: Early teleoconch whorls greyish-blue, later whorls pinkish; base nacreous white; suture white; protoconch brownish-pink.</paragraph>
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</subSubSection>
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||
<subSubSection id="25AB5393DA18C45EFF41FCB7FE919AF1" pageId="18" pageNumber="273" type="discussion">
|
||
<paragraph id="6D0E0018DA18C45EFF41FCB7FE919AF1" blockId="18.[151,1437,151,1080]" pageId="18" pageNumber="273">
|
||
<emphasis id="5FC5DC0ADA18C45EFF41FCB7FEA59A25" bold="true" box="[199,315,799,824]" pageId="18" pageNumber="273">Remarks.</emphasis>
|
||
<taxonomicName id="AAB17B9BDA18C45EFEC4FCB7FD9F9A25" box="[322,513,799,824]" class="Gastropoda" family="Solariellidae" genus="Arxellia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Vetigastropoda" pageId="18" pageNumber="273" phylum="Mollusca" rank="species" species="tracheia">
|
||
<emphasis id="5FC5DC0ADA18C45EFEC4FCB7FD9F9A25" box="[322,513,799,824]" italics="true" pageId="18" pageNumber="273">Arxellia tracheia</emphasis>
|
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</taxonomicName>
|
||
most closely resembles
|
||
<taxonomicName id="AAB17B9BDA18C45EFC92FC88FC189A25" box="[788,902,799,824]" class="Gastropoda" family="Solariellidae" genus="Arxellia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Vetigastropoda" pageId="18" pageNumber="273" phylum="Mollusca" rank="species" species="trochos">
|
||
<emphasis id="5FC5DC0ADA18C45EFC92FC88FC189A25" box="[788,902,799,824]" italics="true" pageId="18" pageNumber="273">A. trochos</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="F58A1C9DDA18C45EFC10FCB7FC439A25" box="[918,989,799,824]" captionStart="FIGURES 1 – 9" captionStartId="4.[151,264,1947,1970]" captionTargetBox="[214,1372,195,1933]" captionTargetId="figure@4.[214,1373,195,1934]" captionTargetPageId="4" captionText="FIGURES 1 – 9. Arxellia new species, all holotypes except A. tenorioi. 1, A. trochos, n. sp., type species of Arxellia n. gen. 2, A. boucheti n. sp. 3, A. herosae n. sp. 4, A. helicoides n. sp. 5, A. tenorioi n. sp. 6, A. tracheia n. sp. 7, A. maestratii n. sp. 8, A. thaumasta n. sp. 9, A. erythrea n. sp. Scale bar = 5 mm." httpUri="https://zenodo.org/record/249678/files/figure.png" pageId="18" pageNumber="273">Figs 1</figureCitation>
|
||
,
|
||
<figureCitation id="F58A1C9DDA18C45EFC6DFC88FBAC9A25" box="[1003,1074,800,824]" captionStart="FIGURES 12 – 24" captionStartId="8.[151,264,1812,1835]" captionTargetBox="[263,1313,194,1770]" captionTargetId="figure@8.[263,1314,194,1771]" captionTargetPageId="8" captionText="FIGURES 12 – 24. Arxellia trochos n. sp., New Caledonia. 12 – 14, holotype MNHN IM- 2009 - 23092, Banc de l’Orne / Walope, 400 – 520 m [EXBODI, stn DW 3862], 5.9 x 5.3 mm. 15 – 18, paratype MNHN IM- 2009 - 23109, Banc Sur Durand, 471 – 510 m [EXBODI, stn CP 3851]. 15 – 16, shell, 6.8 x 6.7 mm. 17, details of protoconch and early whorls; 18, details of columella, umbilicus and aperture. 19, paratype MNHN IM- 2009 - 23094, Banc de l’Orne / Walope, 425 – 490 m [EXBODI, stn DW 3861], 6.6 x 6.0 mm. 20 – 22, MNHN, 435 m [BIOCAL, stn DW 08], 6.3 x 5.8 mm. 23 – 24, paratype MNHN IM- 2009 - 23089, radula. 23, entire width of radula ribbon. 24, central field. Scale bar = 5 mm, except figs. 17, 23: 100 µm, fig. 18: 200 µm, fig. 24: 20 µm." httpUri="https://zenodo.org/record/249680/files/figure.png" pageId="18" pageNumber="273">12–24</figureCitation>
|
||
) from southern
|
||
<collectingCountry id="15A64088DA18C45EFB61FC88FA069A25" box="[1255,1432,799,824]" name="New Caledonia" pageId="18" pageNumber="273">New Caledonia</collectingCountry>
|
||
, but though of similar size, that species has a more rounded periphery and differs in numerous sculptural features, namely: P5 (not P4) forms the suprasutural carina, all the teleoconch spiral cords are more or less similar in size, the shoulder is still present on the last whorl, there are 2–3 (rather than one) strong, beaded cords around the umbilicus. In the molecular analysis of
|
||
<bibRefCitation id="09207DE9DA18C45EFDDDFC07FCC69AD5" box="[603,856,943,968]" pageId="18" pageNumber="273" refString="Williams, S. T., Smith, L. M., Herbert, D. G., Marshall, B. A., Waren, A., Kiel, S., Dyal, P., Linse, K., Vilvens, C. & Kano, Y. (2013) Cenozoic climate change and diversification on the continental shelf and slope: evolution of gastropod diversity in the family Solariellidae (Trochoidea). Ecology and Evolution, 3, 887 - 917. http: // dx. doi. org / 10.1002 / ece 3.513" type="journal article">
|
||
Williams
|
||
<emphasis id="5FC5DC0ADA18C45EFD4FFC19FC9D9AD5" box="[713,771,943,968]" italics="true" pageId="18" pageNumber="273">et al.</emphasis>
|
||
(2013)
|
||
</bibRefCitation>
|
||
,
|
||
<taxonomicName id="AAB17B9BDA18C45EFCE3FC18FC7D9AD5" box="[869,995,943,968]" class="Gastropoda" family="Solariellidae" genus="Arxellia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Vetigastropoda" pageId="18" pageNumber="273" phylum="Mollusca" rank="species" species="tracheia">
|
||
<emphasis id="5FC5DC0ADA18C45EFCE3FC18FC7D9AD5" box="[869,995,943,968]" italics="true" pageId="18" pageNumber="273">A. tracheia</emphasis>
|
||
</taxonomicName>
|
||
forms a clade with
|
||
<taxonomicName id="AAB17B9BDA18C45EFB4FFC18FAD49AD5" box="[1225,1354,943,968]" class="Gastropoda" family="Solariellidae" genus="Arxellia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Vetigastropoda" pageId="18" pageNumber="273" phylum="Mollusca" rank="species" species="boucheti">
|
||
<emphasis id="5FC5DC0ADA18C45EFB4FFC18FAD49AD5" box="[1225,1354,943,968]" italics="true" pageId="18" pageNumber="273">A. boucheti</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="AAB17B9BDA18C45EFA02FC18FE979AF0" class="Gastropoda" family="Solariellidae" genus="Arxellia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Vetigastropoda" pageId="18" pageNumber="273" phylum="Mollusca" rank="species" species="helicoides">
|
||
<emphasis id="5FC5DC0ADA18C45EFA02FC18FE979AF0" italics="true" pageId="18" pageNumber="273">A. helicoides</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="25AB5393DA18C45EFF41FC52FE289D25" pageId="18" pageNumber="273" type="etymology">
|
||
<paragraph id="6D0E0018DA18C45EFF41FC52FE289D25" blockId="18.[151,1437,151,1080]" pageId="18" pageNumber="273">
|
||
<emphasis id="5FC5DC0ADA18C45EFF41FC52FED09D0E" bold="true" box="[199,334,1018,1043]" pageId="18" pageNumber="273">Etymology.</emphasis>
|
||
Uneven, rough (Greek: ταχζ, εια, υ, adjective)—with reference to the different size of the spiral cords on the shell whorls.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |