213 lines
23 KiB
XML
213 lines
23 KiB
XML
<document id="180269FBEFB03789E1038FBA18E835BF" ID-DOI="10.11646/zootaxa.4090.1.1" ID-GBIF-Dataset="e6b35f5a-435e-4473-b29e-1e4d842f84b0" ID-ISSN="1175-5326" ID-Zenodo-Dep="263299" ID-ZooBank="203BAC25-B542-48FE-B5AD-EBA8C0285833" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1457964633549" checkinUser="plazi" docAuthor="Fallon, Phillip J." docDate="2016" docId="039F87C4FAE2FF21CBAFBF31FD8BFEB7" docLanguage="en" docName="15612-5136-1-PB.pdf.imf" docOrigin="Zootaxa 4090 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Douglassia curasub Fallon, 2016, new species" docType="treatment" docVersion="12" lastPageNumber="138" masterDocId="FFA6FFBCFA65FFA8CB38B91BFFE8FFAA" masterDocTitle="Taxonomic review of tropical western Atlantic shallow water Drilliidae (Mollusca: Gastropoda: Conoidea) including descriptions of 100 new species" masterLastPageNumber="363" masterPageNumber="1" pageNumber="136" updateTime="1698184378282" updateUser="plazi">
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<mods:mods id="10AD65B9AE48AC9FC026BA7F7E382B7C" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="0B0AFC6722324BE7F948FCFF1466D782">
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<mods:title id="BB23B7604C64313FB502E4FD08F24286">Taxonomic review of tropical western Atlantic shallow water Drilliidae (Mollusca: Gastropoda: Conoidea) including descriptions of 100 new species</mods:title>
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</mods:titleInfo>
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<mods:name id="C876AF5D6D2F1A333A222AA6398C20EB" type="personal">
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<mods:role id="155921119CB422282065BA94012BEDF5">
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<mods:roleTerm id="4C0BA292F0A26AD90FC9E757F1B31BE2">Author</mods:roleTerm>
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<mods:namePart id="B77F20FC66BE52EE37EDAF03606C14D3">Fallon, Phillip J.</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="72FA8A0D7302929BC47E41AC86B1A2A7">text</mods:typeOfResource>
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<mods:titleInfo id="70220F09A26128576518E7E1758F700E">
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<mods:title id="0DD8E395F15CF6BD6CC53B161A07412C">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="1466756219BEFCF726EC104714ABF01D">
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<mods:date id="5478210F9CBC2A17A4D44203DCB256AD">2016</mods:date>
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<mods:detail id="1817AE7F9F8C267D4BFBA3785257B20A" type="volume">
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<mods:number id="F5F56A7901BAB85356325908D57D73EA">4090</mods:number>
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</mods:detail>
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<mods:detail id="D27042C5526A2F39C286A15390E99CA1" type="issue">
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<mods:number id="90C40EC1EC817F4CA70AA5B9789748A6">1</mods:number>
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<mods:start id="6DD8DF66F694226F113E48C549EFB8FE">1</mods:start>
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<mods:end id="DA216FA3EA882D52BEC5521E3CA3100D">363</mods:end>
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<mods:classification id="BC30819392E862A47528BB3EECCCCC29">journal article</mods:classification>
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<mods:identifier id="AD0FF032435333A3DC9D70AF2F64E973" type="DOI">10.11646/zootaxa.4090.1.1</mods:identifier>
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<mods:identifier id="0FFF7D3D99B48DE5952B46207A4C0917" type="GBIF-Dataset">e6b35f5a-435e-4473-b29e-1e4d842f84b0</mods:identifier>
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<mods:identifier id="03565C5B5D2226752A9B467D8484D629" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="325D9348A8F93770D713AD1BC3E081FC" type="Zenodo-Dep">263299</mods:identifier>
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<mods:identifier id="69E7672E3D84B09817C7D13EAC269E86" type="ZooBank">203BAC25-B542-48FE-B5AD-EBA8C0285833</mods:identifier>
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</mods:mods>
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<treatment id="039F87C4FAE2FF21CBAFBF31FD8BFEB7" ID-DOI="http://doi.org/10.5281/zenodo.6076388" ID-GBIF-Taxon="117911671" ID-Zenodo-Dep="6076388" LSID="urn:lsid:plazi:treatment:039F87C4FAE2FF21CBAFBF31FD8BFEB7" httpUri="http://treatment.plazi.org/id/039F87C4FAE2FF21CBAFBF31FD8BFEB7" lastPageId="137" lastPageNumber="138" pageId="135" pageNumber="136">
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<subSubSection id="C32C6559FAE2FF2FCBAFBF31FEECF9CF" pageId="135" pageNumber="136" type="nomenclature">
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<paragraph id="8B8936D2FAE2FF2FCBAFBF31FDCDF9EE" blockId="135.[151,549,1578,1637]" box="[151,549,1578,1604]" pageId="135" pageNumber="136">
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<heading id="D0C181BEFAE2FF2FCBAFBF31FDCDF9EE" bold="true" box="[151,549,1578,1604]" fontSize="11" level="1" pageId="135" pageNumber="136" reason="1">
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<emphasis id="B942EAC0FAE2FF2FCBAFBF31FDCDF9EE" bold="true" box="[151,549,1578,1604]" pageId="135" pageNumber="136">
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<taxonomicName id="4C364D51FAE2FF2FCBAFBF31FE6FF9EE" ID-CoL="37HKD" box="[151,391,1578,1604]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="135" pageNumber="136" phylum="Mollusca" rank="species" species="curasub" status="sp. nov.">
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<emphasis id="B942EAC0FAE2FF2FCBAFBF31FE6FF9EE" bold="true" box="[151,391,1578,1604]" italics="true" pageId="135" pageNumber="136">Douglassia curasub</emphasis>
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</taxonomicName>
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,
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<taxonomicNameLabel id="A27157BBFAE2FF2FCAADBF31FDCDF9EE" box="[405,549,1578,1604]" pageId="135" pageNumber="136" rank="species">new species</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B8936D2FAE2FF2FCBAFBF57FEECF9CF" blockId="135.[151,549,1578,1637]" box="[151,260,1612,1637]" pageId="135" pageNumber="136">(Plate 60)</paragraph>
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</subSubSection>
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<subSubSection id="C32C6559FAE2FF2FCBAFBF8EFCD4F897" pageId="135" pageNumber="136" type="materials_examined">
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<paragraph id="8B8936D2FAE2FF2FCBAFBF8EFCA5F97B" blockId="135.[151,1436,1684,2033]" pageId="135" pageNumber="136">
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<emphasis id="B942EAC0FAE2FF2FCBAFBF8EFEACF907" bold="true" box="[151,324,1684,1709]" pageId="135" pageNumber="136">
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<typeStatus id="548D8870FAE2FF2FCBAFBF8EFF3AF906" box="[151,210,1685,1708]" pageId="135" pageNumber="136">Type</typeStatus>
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material.
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</emphasis>
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<typeStatus id="548D8870FAE2FF2FCA72BF8FFE5AF907" box="[330,434,1684,1709]" pageId="135" pageNumber="136" type="holotype">Holotype</typeStatus>
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10.0 x
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<quantity id="4CCE9B37FAE2FF2FC93DBF8EFDB4F906" box="[517,604,1685,1709]" metricMagnitude="-3" metricUnit="m" metricValue="4.6" pageId="135" pageNumber="136" unit="mm" value="4.6">4.6 mm</quantity>
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, C. Baldwin! aboard submersible
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<taxonomicName id="4C364D51FAE2FF2FC8EFBF8FFBDFF907" box="[983,1079,1684,1709]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="135" pageNumber="143" phylum="Mollusca" rank="species" species="curasub">
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<emphasis id="B942EAC0FAE2FF2FC8EFBF8FFBDFF907" box="[983,1079,1684,1709]" italics="true" pageId="135" pageNumber="136">Curasub</emphasis>
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</taxonomicName>
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,
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<date id="FF881012FAE2FF2FCF7CBF8EFB29F907" box="[1092,1217,1684,1709]" pageId="135" pageNumber="136" value="2013-02-08">8 Feb 2013</date>
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(USNM 1231397); 1
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<typeStatus id="548D8870FAE2FF2FCB94BFA2FEE4F97A" box="[172,268,1721,1744]" pageId="135" pageNumber="136" type="paratype">paratype</typeStatus>
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from the
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<typeStatus id="548D8870FAE2FF2FCA42BFA2FE42F97A" box="[378,426,1721,1744]" pageId="135" pageNumber="136">type</typeStatus>
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lot: 9.5 x
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<quantity id="4CCE9B37FAE2FF2FC925BFA2FD9BF97A" box="[541,627,1721,1745]" metricMagnitude="-3" metricUnit="m" metricValue="4.7" pageId="135" pageNumber="136" unit="mm" value="4.7">4.7 mm</quantity>
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(USNM 1231398).
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</paragraph>
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<paragraph id="8B8936D2FAE2FF2FCBFFBFC6FC7BF8B3" blockId="135.[151,1436,1684,2033]" pageId="135" pageNumber="136">
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<emphasis id="B942EAC0FAE2FF2FCBFFBFC6FE80F95F" bold="true" box="[199,360,1756,1781]" pageId="135" pageNumber="136">
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<typeStatus id="548D8870FAE2FF2FCBFFBFC6FEEAF95E" box="[199,258,1757,1780]" pageId="135" pageNumber="136">Type</typeStatus>
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locality.
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</emphasis>
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Off Sea Aquarium, Bapor Kibra, Willemstad,
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<collectingCountry id="F3217642FAE2FF2FC8BEBFC6FC0EF95F" box="[902,998,1757,1781]" name="Curaçao" pageId="135" pageNumber="136">Curaçao</collectingCountry>
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,
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<collectingCountry id="F3217642FAE2FF2FC8CCBFC7FB08F95F" box="[1012,1248,1756,1781]" name="Curaçao" pageId="135" pageNumber="136">Netherlands Antilles</collectingCountry>
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,
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<geoCoordinate id="EE025015FAE2FF2FCFD6BFC6FA7FF95F" box="[1262,1431,1757,1781]" direction="north" orientation="latitude" pageId="135" pageNumber="136" precision="1" value="12.083198">12°04'59.51"N</geoCoordinate>
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,
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<geoCoordinate id="EE025015FAE2FF2FCBAFBE1AFEABF8B3" box="[151,323,1793,1817]" direction="west" orientation="longitude" pageId="135" pageNumber="136" precision="1" value="-68.899055">68°53'56.61"W</geoCoordinate>
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, in glass bottle collected at
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<quantity id="4CCE9B37FAE2FF2FC941BE1AFD1BF8B3" box="[633,755,1792,1817]" metricMagnitude="2" metricUnit="m" metricValue="2.5908" metricValueMax="2.7432" metricValueMin="2.4384" pageId="135" pageNumber="136" unit="ft" value="850.0" valueMax="900.0" valueMin="800.0">800–900 ft</quantity>
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[
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<quantity id="4CCE9B37FAE2FF2FC839BE1AFC60F8B3" box="[769,904,1793,1817]" metricMagnitude="2" metricUnit="m" metricValue="2.59" metricValueMax="2.7399999999999998" metricValueMin="2.44" pageId="135" pageNumber="136" unit="m" value="259.0" valueMax="274.0" valueMin="244.0">244–274 m</quantity>
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].
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</paragraph>
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<paragraph id="8B8936D2FAE2FF2FCBFFBE3EFCD4F897" blockId="135.[151,1436,1684,2033]" box="[199,828,1828,1853]" pageId="135" pageNumber="136">
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<emphasis id="B942EAC0FAE2FF2FCBFFBE3EFE43F897" bold="true" box="[199,427,1828,1853]" pageId="135" pageNumber="136">Range and habitat.</emphasis>
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Known only from the
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<typeStatus id="548D8870FAE2FF2FC993BE3EFD33F896" box="[683,731,1829,1852]" pageId="135" pageNumber="136">type</typeStatus>
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locality.
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</paragraph>
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</subSubSection>
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<paragraph id="8B8936D2FAE2FF20CBFFBE53FE25FDB2" blockId="135.[151,1436,1684,2033]" lastBlockId="136.[151,1437,151,536]" lastPageId="136" lastPageNumber="137" pageId="135" pageNumber="136">
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<emphasis id="B942EAC0FAE2FF2FCBFFBE53FE75F8CB" bold="true" box="[199,413,1864,1889]" pageId="135" pageNumber="136">
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Description.
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<emphasis id="B942EAC0FAE2FF2FCA5ABE53FE75F8CB" bold="true" box="[354,413,1864,1889]" italics="true" pageId="135" pageNumber="136">Shell</emphasis>
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</emphasis>
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small (to 10.0 mm in total length), broadly fusiform, truncated anteriorly with a rapidly tapering spire and a disproportionately large last whorl, which is about 63% of total length; shell surface glossy; of up to 8¾ moderately convex whorls, the last contributing to the shell’s large average W/
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<taxonomicName id="4C364D51FAE2FF2FCF4BBE8BFB56F803" box="[1139,1214,1936,1961]" class="Gastropoda" family="Drilliidae" genus="Lissodrillia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Neogastropoda" pageId="135" pageNumber="136" phylum="Mollusca" rank="species" species="ratio">L ratio</taxonomicName>
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of 0.477. Sculpture is of low ribs that are narrow on early whorls, broad on the last.
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<emphasis id="B942EAC0FAE2FF2FC8AEBEAEFBF3F864" bold="true" box="[918,1051,1973,1998]" italics="true" pageId="135" pageNumber="136">Protoconch</emphasis>
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of 2¾ round glossy whorls with gradually increasing diameters, the first partially immersed in the second.
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<emphasis id="B942EAC0FAE2FF2FC8EDBEC3FB6EF85B" bold="true" box="[981,1158,2008,2033]" italics="true" pageId="135" pageNumber="136">Axial sculpture</emphasis>
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of ribs that extend from suture-to-suture on spire whorls and evanesce below periphery of last whorl; 8 ribs on penultimate and 5–6 to varix on last. Ribs narrow, slightly prosocline, and crests ridged on early whorls, broad, crests round and slightly opisthocline on last two. Coarse growth striae are present.
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<emphasis id="B942EAC0FAEDFF20C809B9C4FC85FF52" bold="true" box="[817,877,223,248]" italics="true" pageId="136" pageNumber="137">Varix</emphasis>
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large, thick, cup-handle-like just behind the anal sinus within ¼-turn from edge of outer lip. Varix traces a nearly perfect circular arc from suture to anterior canal.
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<emphasis id="B942EAC0FAEDFF20CBAFB83CFEBAFEEA" bold="true" box="[151,338,295,320]" italics="true" pageId="136" pageNumber="137">Spiral sculpture</emphasis>
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absent.
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<emphasis id="B942EAC0FAEDFF20CA8AB83CFDE8FEEA" bold="true" box="[434,512,295,320]" italics="true" pageId="136" pageNumber="137">Sulcus</emphasis>
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absent; previous positions of the anal sinus are marked by ribs that are reduced, narrowed, and slightly recurved on whorl shoulders.
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<emphasis id="B942EAC0FAEDFF20C9D2B857FCBAFECF" bold="true" box="[746,850,332,357]" italics="true" pageId="136" pageNumber="137">Outer lip</emphasis>
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thin, narrow, juts out a short distance from the base of the varix; stromboid notch unknown, anterior edge of lip chipped.
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<emphasis id="B942EAC0FAEDFF20C895B874FBC2FE22" bold="true" box="[941,1066,367,392]" italics="true" pageId="136" pageNumber="137">Anal sinus</emphasis>
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a short notch with a round apex and parallel sides.
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<emphasis id="B942EAC0FAEDFF20CA51B88EFE27FE07" bold="true" box="[361,463,404,429]" italics="true" pageId="136" pageNumber="137">Inner lip</emphasis>
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margined, erect on anterior portion of columella, recumbent and thin on parietal wall, and developed into a lobe posteriorly at anal sinus.
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<emphasis id="B942EAC0FAEDFF20C83BB8ACFC59FE7A" bold="true" box="[771,945,439,464]" italics="true" pageId="136" pageNumber="137">Anterior canal</emphasis>
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very short, barely formed, open; anterior fasciole not swollen, without spiral threads or grooves.
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<emphasis id="B942EAC0FAEDFF20C838B8C7FCA9FE5F" bold="true" box="[768,833,476,501]" italics="true" pageId="136" pageNumber="137">Color</emphasis>
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light golden-brown;
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<typeStatus id="548D8870FAEDFF20CF15B8C6FB65FE5E" box="[1069,1165,477,500]" pageId="136" pageNumber="137" type="paratype">paratype</typeStatus>
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with a thin, white spiral line below whorl periphery.
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</paragraph>
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<caption id="DF49665AFAEDFF20CBAFBCD8FB0EFA52" httpUri="https://zenodo.org/record/263360/files/figure.png" pageId="136" pageNumber="137" targetBox="[154,1437,575,1463]" targetPageId="136">
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<paragraph id="8B8936D2FAEDFF20CBAFBCD8FB0EFA52" blockId="136.[151,1435,1475,1528]" pageId="136" pageNumber="137">
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(USNM 1231397). Fig. 1: ventral, lateral & dorsal views; Fig. 2: enlarged view of protoconch (not to scale); Fig. 3: apical view, V = varix, L = edge of outer lip. Fig. 4:
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<typeStatus id="548D8870FAEDFF20C913BCF8FD6DFA52" box="[555,645,1507,1528]" pageId="136" pageNumber="137" type="paratype">paratype</typeStatus>
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, from same lot as
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<typeStatus id="548D8870FAEDFF20C805BCF9FC70FA52" box="[829,920,1506,1528]" pageId="136" pageNumber="137" type="holotype">holotype</typeStatus>
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, ventral view (USNM 1231398).
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</paragraph>
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</caption>
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<subSubSection id="C32C6559FAEDFF21CBFFBF38FC94FF7F" lastPageId="137" lastPageNumber="138" pageId="136" pageNumber="137" type="discussion">
|
||
<paragraph id="8B8936D2FAEDFF20CBFFBF38FC72F841" blockId="136.[151,1437,1570,2027]" pageId="136" pageNumber="137">
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<emphasis id="B942EAC0FAEDFF20CBFFBF38FE28F990" bold="true" box="[199,448,1571,1594]" pageId="136" pageNumber="137">
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Remarks.
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<emphasis id="B942EAC0FAEDFF20CA7ABF38FE28F990" box="[322,448,1571,1594]" italics="true" pageId="136" pageNumber="137">Taxonomy.</emphasis>
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</emphasis>
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<taxonomicName id="4C364D51FAEDFF20CAF0BF39FD41F991" box="[456,681,1570,1595]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="curasub">Douglassia curasub</taxonomicName>
|
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has some but not all the key characteristics of
|
||
<taxonomicName id="4C364D51FAEDFF20CF83BF39FAD3F991" box="[1211,1339,1570,1595]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="136" pageNumber="137" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B942EAC0FAEDFF20CF83BF39FAD3F991" box="[1211,1339,1570,1595]" italics="true" pageId="136" pageNumber="137">Douglassia</emphasis>
|
||
</taxonomicName>
|
||
—a cuphandle-like varix behind the anal sinus and a protoconch with 2¾ smooth round whorls. Ribs are present up to the suture, not greatly diminished in a sulcus as is typical of the genus, and curiously, it lacks spiral threads on the anterior fasciole and lower shell base, which are present on all other known members of the genus. Its coarse growth striae are also unique among its congeners, as is the rib pattern which changes from prosocline on spire whorls to opisthocline in orientation on the penultimate and last whorls. It quite probably represents a different, unnamed genus.
|
||
<emphasis id="B942EAC0FAEDFF20CA64BFE1FD07F8B9" box="[348,751,1786,1811]" italics="true" pageId="136" pageNumber="137">
|
||
<emphasis id="B942EAC0FAEDFF20CA64BFE1FDE8F8B9" bold="true" box="[348,512,1786,1811]" italics="true" pageId="136" pageNumber="137">Identification.</emphasis>
|
||
<taxonomicName id="4C364D51FAEDFF20C933BFE1FD07F8B9" box="[523,751,1786,1811]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="curasub">Douglassia curasub</taxonomicName>
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</emphasis>
|
||
is similar to
|
||
<taxonomicName id="4C364D51FAEDFF20C8AABFE0FBC3F8B9" box="[914,1067,1786,1811]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="antillensis" status="sp. nov.">
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<emphasis id="B942EAC0FAEDFF20C8AABFE0FBC3F8B9" box="[914,1067,1786,1811]" italics="true" pageId="136" pageNumber="137">D. antillensis</emphasis>
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</taxonomicName>
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,
|
||
<taxonomicNameLabel id="A27157BBFAEDFF20CF05BFE0FB22F8B9" box="[1085,1226,1786,1811]" pageId="136" pageNumber="137" rank="species">new species</taxonomicNameLabel>
|
||
,
|
||
<taxonomicName id="4C364D51FAEDFF20CFE1BFE0FF39F89D" authority="Bartsch, 1934" authorityName="Bartsch" authorityYear="1934" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="enae">
|
||
<emphasis id="B942EAC0FAEDFF20CFE1BFE0FADDF8B8" box="[1241,1333,1787,1810]" italics="true" pageId="136" pageNumber="137">D. enae</emphasis>
|
||
Bartsch, 1934
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C364D51FAEDFF20CA35BE04FE43F89C" box="[269,427,1823,1846]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="moratensis" status="sp. nov.">
|
||
<emphasis id="B942EAC0FAEDFF20CA35BE04FE43F89C" box="[269,427,1823,1846]" italics="true" pageId="136" pageNumber="137">D. moratensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A27157BBFAEDFF20CA81BE04FDACF89D" box="[441,580,1822,1847]" pageId="136" pageNumber="137" rank="species">new species</taxonomicNameLabel>
|
||
. From
|
||
<taxonomicName id="4C364D51FAEDFF20C9ABBE04FCC0F89D" box="[659,808,1822,1847]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="antillensis">
|
||
<emphasis id="B942EAC0FAEDFF20C9ABBE04FD4FF89C" box="[659,679,1823,1846]" italics="true" pageId="136" pageNumber="137">D</emphasis>
|
||
.
|
||
<emphasis id="B942EAC0FAEDFF20C98DBE05FCC0F89D" box="[693,808,1822,1847]" italics="true" pageId="136" pageNumber="137">antillensis</emphasis>
|
||
</taxonomicName>
|
||
it differs in the following characteristics: a varix with a nearly a perfect circular arc, not one that straightens out anteriorly; ribs on the last two whorls that are lower, with rounder crests; an anterior fasciole that lacks spiral threads; growth striae that are coarser; a different color—almost entirely light golden brown; and smaller size. From
|
||
<taxonomicName id="4C364D51FAEDFF20C9C1BE90FCBBF808" box="[761,851,1931,1954]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="enae">
|
||
<emphasis id="B942EAC0FAEDFF20C9C1BE90FCBBF808" box="[761,851,1931,1954]" italics="true" pageId="136" pageNumber="137">D. enae</emphasis>
|
||
</taxonomicName>
|
||
it differs in all the same ways as it does from
|
||
<taxonomicName id="4C364D51FAEDFF20CEB9BE90FEE2F86D" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="antillensis">
|
||
<emphasis id="B942EAC0FAEDFF20CEB9BE90FEE2F86D" italics="true" pageId="136" pageNumber="137">D. antillensis</emphasis>
|
||
</taxonomicName>
|
||
, and in addition, it has much less angular shoulders. From
|
||
<taxonomicName id="4C364D51FAEDFF20C890BEB4FBAEF86C" box="[936,1094,1967,1990]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="moratensis">
|
||
<emphasis id="B942EAC0FAEDFF20C890BEB4FBAEF86C" box="[936,1094,1967,1990]" italics="true" pageId="136" pageNumber="137">D. moratensis</emphasis>
|
||
</taxonomicName>
|
||
it differs in all the same ways as it does from
|
||
<taxonomicName id="4C364D51FAEDFF20CA7BBEC8FE30F841" box="[323,472,2002,2027]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="antillensis">
|
||
<emphasis id="B942EAC0FAEDFF20CA7BBEC8FE30F841" box="[323,472,2002,2027]" italics="true" pageId="136" pageNumber="137">D. antillensis</emphasis>
|
||
</taxonomicName>
|
||
in addition to being differently colored.
|
||
</paragraph>
|
||
<paragraph id="8B8936D2FAECFF21CBFFB98CFC94FF7F" blockId="137.[151,1436,151,285]" pageId="137" pageNumber="138">The two specimens are so distinctly different from any of its congeners and as such are unlikely to represent variants, so are believed to merit description as a separate species.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32C6559FAECFF21CBFFB9FBFD8BFEB7" pageId="137" pageNumber="138" type="etymology">
|
||
<paragraph id="8B8936D2FAECFF21CBFFB9FBFD8BFEB7" blockId="137.[151,1436,151,285]" pageId="137" pageNumber="138">
|
||
<emphasis id="B942EAC0FAECFF21CBFFB9FBFEA6FF5D" bold="true" box="[199,334,224,247]" pageId="137" pageNumber="138">Etymology.</emphasis>
|
||
The
|
||
<emphasis id="B942EAC0FAECFF21CAB3B9C4FD9CFF52" box="[395,628,223,248]" italics="true" pageId="137" pageNumber="138">
|
||
<taxonomicName id="4C364D51FAECFF21CAB3B9C4FE04FF52" box="[395,492,223,248]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="137" pageNumber="143" phylum="Mollusca" rank="species" species="curasub">Curasub</taxonomicName>
|
||
<taxonomicName id="4C364D51FAECFF21CACDB9C4FD9CFF52" box="[501,628,223,248]" class="Gastropoda" family="Drilliidae" genus="Douglassia" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="137" pageNumber="138" phylum="Mollusca" rank="genus">Douglassia</taxonomicName>
|
||
</emphasis>
|
||
. Named for the submersible that recovered an old, early 1880’s bottle containing the specimens described here.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |