198 lines
26 KiB
XML
198 lines
26 KiB
XML
<document id="17ADB42AEA12088070C293F5F23B368B" ID-DOI="10.5281/zenodo.275645" ID-GBIF-Dataset="c9d212c2-bfed-4043-971c-b80ab6d7ff9c" ID-ISSN="1175-5326" ID-Zenodo-Dep="275645" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460153538636" checkinUser="plazi" docAuthor="Geiger, Daniel L. & Mclean, James H." docDate="2010" docId="03DCBC11C247FF9F0ED21EA5FDA564A6" docLanguage="en" docName="zt02356p035.pdf" docOrigin="Zootaxa 2356" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Thieleella bathypacifica Geiger & Mclean, 2010, n. sp." docType="treatment" docVersion="11" lastPageNumber="33" masterDocId="FFE5C469C259FFBF0E451F42FFF1673A" masterDocTitle="New species and records of Scissurellidae and Anatomidae from the Americas (Mollusca: Gastropoda: Vetigastropoda)" masterLastPageNumber="35" masterPageNumber="1" pageNumber="31" updateTime="1698235584404" updateUser="plazi">
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<mods:mods id="F15DC55F81269F3E391EBFF7B906DCC3" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="14ECAAA547E5C0FDDE5658ACAAE2112E">
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<mods:title id="51AED6CD760D608BE087C254F25BD551">New species and records of Scissurellidae and Anatomidae from the Americas (Mollusca: Gastropoda: Vetigastropoda)</mods:title>
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<mods:name id="F0924FE871F08C0678EC7A99234182E3" type="personal">
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<mods:roleTerm id="E9547B3ECEC41E10843ACF586B3F3059">Author</mods:roleTerm>
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<mods:namePart id="6A439AFCF00DD32F56CC596D5B577D6D">Geiger, Daniel L.</mods:namePart>
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<mods:roleTerm id="E786B8F5C330EF31773F424EFA703011">Author</mods:roleTerm>
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<mods:namePart id="C8D3D12A140063A065D65C7F3DF7AFC9">Mclean, James H.</mods:namePart>
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<mods:typeOfResource id="75478F3FEC08274DC1BE5149B908D62D">text</mods:typeOfResource>
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<mods:title id="F51DC6010E5646D7E76ECFCE1613A502">Zootaxa</mods:title>
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<mods:part id="4FB2FBA540472C75549D19A20A3787AF">
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<mods:date id="E1BCA17CBD8899B5C6C592958168EF0A">2010</mods:date>
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<mods:number id="58CC5B2749A8448A74B6EF07074D015D">2356</mods:number>
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<mods:classification id="634B2716A729F854ADAD3836F210C606">journal article</mods:classification>
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<mods:identifier id="11D0BEF6E1F1D3E4897AE53F305CAAFD" type="DOI">10.5281/zenodo.275645</mods:identifier>
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<mods:identifier id="F654495CB93FEF689D3963821299603F" type="ISSN">1175-5326</mods:identifier>
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<treatment id="03DCBC11C247FF9F0ED21EA5FDA564A6" ID-DOI="http://doi.org/10.5281/zenodo.6210887" ID-GBIF-Taxon="127654802" ID-Zenodo-Dep="6210887" LSID="urn:lsid:plazi:treatment:03DCBC11C247FF9F0ED21EA5FDA564A6" httpUri="http://treatment.plazi.org/id/03DCBC11C247FF9F0ED21EA5FDA564A6" lastPageId="32" lastPageNumber="33" pageId="30" pageNumber="31">
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<subSubSection id="C36F5E8CC247FFA10ED21EA5FECE651E" pageId="30" pageNumber="31" type="nomenclature">
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<paragraph id="8BCA0D07C247FFA10ED21EA5FDF2653B" blockId="30.[151,515,487,548]" box="[151,515,487,513]" pageId="30" pageNumber="31">
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<heading id="D082BA6BC247FFA10ED21EA5FDF2653B" bold="true" box="[151,515,487,513]" fontSize="11" level="1" pageId="30" pageNumber="31" reason="1">
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<emphasis id="B901D115C247FFA10ED21EA5FDF2653B" bold="true" box="[151,515,487,513]" pageId="30" pageNumber="31">
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<taxonomicName id="4C757684C247FFA10ED21EA5FE48653B" ID-CoL="56GHT" box="[151,441,487,513]" class="Gastropoda" family="Anatomidae" genus="Thieleella" higherTaxonomySource="CoL" kingdom="Animalia" order="Lepetellida" pageId="30" pageNumber="31" phylum="Mollusca" rank="species" species="bathypacifica" status="sp. nov.">
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<emphasis id="B901D115C247FFA10ED21EA5FE48653B" bold="true" box="[151,441,487,513]" italics="true" pageId="30" pageNumber="31">Thieleella bathypacifica</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2326C6EC247FFA10F841EA5FDF2653B" box="[449,515,487,513]" pageId="30" pageNumber="31" 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="8BCA0D07C247FFA10ED21D48FECE651E" blockId="30.[151,515,487,548]" box="[151,319,522,548]" pageId="30" pageNumber="31">
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<figureCitation id="134E1182C247FFA10ED21D48FECE651E" box="[151,319,522,548]" captionStart-0="FIGURE 23" captionStart-1="FIGURE 24" captionStartId-0="30.[151,255,1913,1937]" captionStartId-1="31.[151,255,1171,1195]" captionTargetBox-0="[151,1434,717,1889]" captionTargetBox-1="[151,1435,183,1150]" captionTargetId-0="figure@30.[151,1436,717,1889]" captionTargetId-1="figure@31.[151,1436,183,1150]" captionTargetPageId-0="30" captionTargetPageId-1="31" captionText-0="FIGURE 23. Thieleella bathypacifica n. sp. holotype (FMNH 307884). Scale bar shell, operculum = 1 mm. Scale bar protoconch = 100 µm." captionText-1="FIGURE 24. Radula of Thieleella bathypacifica n. sp. A. Isolated rachidian tooth. B. Central field with well-developed teeth. C. Central field with somewhat worn lateral teeth and showing lateral tooth 4. D. Inner marginal teeth with distinct posterior projection. E. Entire series of marginal teeth. F. Outer most marginal tooth. Scale bars A – E = 10 µm. Scale bar F = 2 µm. R: rachidian tooth. L 1 – 5: lateral tooth 1 – 5. M 1 – 3: marginal tooth 1 – 3." figureDoi-0="http://doi.org/10.5281/zenodo.3558604" figureDoi-1="http://doi.org/10.5281/zenodo.3558606" httpUri-0="https://zenodo.org/record/3558604/files/figure.png" httpUri-1="https://zenodo.org/record/3558606/files/figure.png" pageId="30" pageNumber="31">Figures 23–24</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C36F5E8CC247FFA00ED21D17FEB262FE" lastPageId="31" lastPageNumber="32" pageId="30" pageNumber="31" type="materials_examined">
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<paragraph id="8BCA0D07C247FFA10ED21D17FDE165AE" blockId="30.[151,1435,597,660]" pageId="30" pageNumber="31">
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<emphasis id="B901D115C247FFA10ED21D17FEBB6555" bold="true" box="[151,330,597,623]" pageId="30" pageNumber="31">
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<typeStatus id="54CEB3A5C247FFA10ED21D17FF236555" box="[151,210,597,623]" pageId="30" pageNumber="31">Type</typeStatus>
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material.
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</emphasis>
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<materialsCitation id="3B1D075AC247FFA10F111D17FD626555" ID-GBIF-Occurrence="2460525625" box="[340,659,597,623]" collectionCode="FMNH" pageId="30" pageNumber="31" specimenCode="FMNH 307884" specimenCount="1" typeStatus="holotype">
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<typeStatus id="54CEB3A5C247FFA10F111D17FE306555" box="[340,449,597,623]" pageId="30" pageNumber="31" type="holotype">Holotype</typeStatus>
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(
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<specimenCode id="DBD3A57CC247FFA10F941D17FD7D6555" box="[465,652,597,623]" pageId="30" pageNumber="31">FMNH 307884</specimenCode>
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)
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</materialsCitation>
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, shell, operculum and radula mounted on SEM stubs.
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<emphasis id="B901D115C247FFA10B4B1D17FA656554" box="[1294,1428,597,622]" italics="true" pageId="30" pageNumber="31">RV Atlantis</emphasis>
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, submersible grab, leg. J. Voight.
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</paragraph>
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<caption id="DF0A5D8FC247FFA10ED2183BFE74608A" ID-DOI="http://doi.org/10.5281/zenodo.3558604" ID-Zenodo-Dep="3558604" httpUri="https://zenodo.org/record/3558604/files/figure.png" pageId="30" pageNumber="31" targetBox="[151,1434,717,1889]" targetPageId="30">
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<paragraph id="8BCA0D07C247FFA10ED2183BFE74608A" blockId="30.[151,1435,1913,1968]" pageId="30" pageNumber="31">
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<emphasis id="B901D115C247FFA10ED2183BFED960AB" bold="true" box="[151,296,1913,1937]" pageId="30" pageNumber="31">FIGURE 23.</emphasis>
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<taxonomicName id="4C757684C247FFA10F751838FDC760AB" box="[304,566,1914,1937]" class="Gastropoda" family="Anatomidae" genus="Thieleella" higherTaxonomySource="CoL" kingdom="Animalia" order="Lepetellida" pageId="30" pageNumber="31" phylum="Mollusca" rank="species" species="bathypacifica" status="sp. nov.">
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<emphasis id="B901D115C247FFA10F751838FDC760AB" box="[304,566,1914,1937]" italics="true" pageId="30" pageNumber="31">Thieleella bathypacifica</emphasis>
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</taxonomicName>
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<emphasis id="B901D115C247FFA10C78183BFD8B60AB" bold="true" box="[573,634,1913,1937]" pageId="30" pageNumber="31">
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<taxonomicNameLabel id="A2326C6EC247FFA10C78183BFD8B60AB" box="[573,634,1913,1937]" pageId="30" pageNumber="31" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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holotype (FMNH 307884). Scale bar shell, operculum = 1 mm. Scale bar protoconch = 100 µm.
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</paragraph>
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</caption>
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<caption id="DF0A5D8FC246FFA00ED21BD1FC076231" ID-DOI="http://doi.org/10.5281/zenodo.3558606" ID-Zenodo-Dep="3558606" httpUri="https://zenodo.org/record/3558606/files/figure.png" pageId="31" pageNumber="32" targetBox="[151,1435,183,1150]" targetPageId="31">
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<paragraph id="8BCA0D07C246FFA00ED21BD1FC076231" blockId="31.[151,1436,1171,1291]" pageId="31" pageNumber="32">
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<emphasis id="B901D115C246FFA00ED21BD1FEEE6391" bold="true" box="[151,287,1171,1195]" pageId="31" pageNumber="32">FIGURE 24</emphasis>
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. Radula of
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<taxonomicName id="4C757684C246FFA00FD81BD6FD516391" box="[413,672,1172,1195]" class="Gastropoda" family="Anatomidae" genus="Thieleella" higherTaxonomySource="CoL" kingdom="Animalia" order="Lepetellida" pageId="31" pageNumber="32" phylum="Mollusca" rank="species" species="bathypacifica" status="sp. nov.">
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<emphasis id="B901D115C246FFA00FD81BD6FD516391" box="[413,672,1172,1195]" italics="true" pageId="31" pageNumber="32">Thieleella bathypacifica</emphasis>
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</taxonomicName>
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<emphasis id="B901D115C246FFA00CE21BD1FD126391" bold="true" box="[679,739,1171,1195]" pageId="31" pageNumber="32">
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<taxonomicNameLabel id="A2326C6EC246FFA00CE21BD1FD126391" box="[679,739,1171,1195]" pageId="31" pageNumber="32" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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A. Isolated rachidian tooth. B. Central field with well-developed teeth. C. Central field with somewhat worn lateral teeth and showing lateral tooth 4. D. Inner marginal teeth with distinct posterior projection. E. Entire series of marginal teeth. F. Outer most marginal tooth. Scale bars A–E = 10 µm. Scale bar F = 2 µm. R: rachidian tooth. L1–5: lateral tooth 1–5. M1–3: marginal tooth 1–3.
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</paragraph>
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</caption>
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<paragraph id="8BCA0D07C246FFA00E811A1CFEB262FE" blockId="31.[151,1438,1374,2036]" pageId="31" pageNumber="32">
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<emphasis id="B901D115C246FFA00E811A1CFE736242" bold="true" box="[196,386,1374,1400]" pageId="31" pageNumber="32">
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<typeStatus id="54CEB3A5C246FFA00E811A1CFEF96242" box="[196,264,1374,1400]" pageId="31" pageNumber="32">Type</typeStatus>
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locality.
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</emphasis>
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<quantity id="4C8DA0E2C246FFA00FCE1A1DFE036243" box="[395,498,1375,1401]" metricMagnitude="3" metricUnit="m" metricValue="2.572" pageId="31" pageNumber="32" unit="m" value="2572.0">2572 m</quantity>
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,
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<collectionCode id="ED6495C2C246FFA00C441A1DFD936243" box="[513,610,1375,1401]" pageId="31" pageNumber="32">ALVIN</collectionCode>
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Dive 3938, Genesis, East Pacific Rise, 12.811˚N, 103.940˚W [approximately midway between Acapulco,
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<collectingCountry id="F3624D97C246FFA00CF81AC6FCEF62A4" box="[701,798,1412,1438]" name="Mexico" pageId="31" pageNumber="32">Mexico</collectingCountry>
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, and
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<collectingCountry id="F3624D97C246FFA00D241AC6FBB162A4" box="[865,1088,1412,1438]" name="Clipperton Island" pageId="31" pageNumber="32">Clipperton Island</collectingCountry>
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]. Sample with anemone and serpulid rocks.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36F5E8CC246FFA00E831A8CFE926134" pageId="31" pageNumber="32" type="etymology">
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<paragraph id="8BCA0D07C246FFA00E831A8CFE926134" blockId="31.[151,1438,1374,2036]" pageId="31" pageNumber="32">
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<emphasis id="B901D115C246FFA00E831A8CFEA262D2" bold="true" box="[198,339,1486,1512]" pageId="31" pageNumber="32">Etymology.</emphasis>
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Bathy- referring to the deep-sea (bathyal) habitat of the species; -pacifica referring the Pacific Ocean; adjective.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36F5E8CC246FF9F0E81195BFB6F651D" lastPageId="32" lastPageNumber="33" pageId="31" pageNumber="32" type="description">
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<paragraph id="8BCA0D07C246FFA00E81195BFF0C6064" blockId="31.[151,1438,1374,2036]" pageId="31" pageNumber="32">
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<emphasis id="B901D115C246FFA00E81195BFEAE6109" bold="true" box="[196,351,1561,1587]" pageId="31" pageNumber="32">Description.</emphasis>
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Shell trochiform globular to
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<quantity id="4C8DA0E2C246FFA00C851958FCDF610E" box="[704,814,1562,1588]" metricMagnitude="-3" metricUnit="m" metricValue="1.85" pageId="31" pageNumber="32" unit="mm" value="1.85">1.85 mm</quantity>
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. Protoconch of 0.75 whorls, reticulate sculpture, no apertural varix, apertural margin straight. TI of 0.875 whorls, 15 indistinct axial cords, prominent spiral cord forming ridge in position of selenizone, at intersection forming thickenings. TII of at least 1.5 whorls. Shoulder convex, 26 distinct raised axial cords, first spiral line after 0.33 TII whorls, 7 spiral lines after 1.5 whorls on outer two thirds of shoulder, spiral lines running over axial cords. Base convex, barely constricted below selenizone, evenly curving into umbilicus, same density of axial cords as on shoulder, crossed by spiral lines, 23 after 1.25 TII whorls, spiral lines running over axial cords. Selenizone at periphery, keels of moderate strength, high (higher than width of selenizone), regular growth lunules; slit open, with parallel margins.
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</paragraph>
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<paragraph id="8BCA0D07C246FFA00E811828FBF160BE" blockId="31.[151,1438,1374,2036]" box="[196,1024,1898,1924]" pageId="31" pageNumber="32">Operculum round, thin, multispiral, central nucleus, covering aperture.</paragraph>
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<paragraph id="8BCA0D07C246FFA00E8118CDFA6C60CE" blockId="31.[151,1438,1374,2036]" pageId="31" pageNumber="32">
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Radula (
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<figureCitation id="134E1182C246FFA00F6218CDFE716093" box="[295,384,1935,1961]" captionStart="FIGURE 20" captionStartId="27.[151,255,1926,1950]" captionTargetBox="[151,1435,679,1901]" captionTargetId="figure@27.[151,1436,679,1901]" captionTargetPageId="27" captionText="FIGURE 20. Holotype of Thieleella peruviana n. sp. Arrows indicate remnant of protoconch sculpture; most of apical protoconch surface eroded. Scale bar shell = 1 mm. Scale bar protoconch = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.3558598" httpUri="https://zenodo.org/record/3558598/files/figure.png" pageId="31" pageNumber="32">Fig. 20</figureCitation>
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). Rachidian trapezoid, central denticle often largest, approximately five denticles on each side (
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<figureCitation id="134E1182C246FFA00E9218F6FEDC60F4" box="[215,301,1972,1998]" captionStart="FIGURE 20" captionStartId="27.[151,255,1926,1950]" captionTargetBox="[151,1435,679,1901]" captionTargetId="figure@27.[151,1436,679,1901]" captionTargetPageId="27" captionText="FIGURE 20. Holotype of Thieleella peruviana n. sp. Arrows indicate remnant of protoconch sculpture; most of apical protoconch surface eroded. Scale bar shell = 1 mm. Scale bar protoconch = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.3558598" httpUri="https://zenodo.org/record/3558598/files/figure.png" pageId="31" pageNumber="32">Fig. 20</figureCitation>
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A–C: R). Lateral teeth 1–3 similar, 6,4,4 cusps respectively (
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<figureCitation id="134E1182C246FFA00DBE18F6FBA260F4" box="[1019,1107,1972,1998]" captionStart="FIGURE 20" captionStartId="27.[151,255,1926,1950]" captionTargetBox="[151,1435,679,1901]" captionTargetId="figure@27.[151,1436,679,1901]" captionTargetPageId="27" captionText="FIGURE 20. Holotype of Thieleella peruviana n. sp. Arrows indicate remnant of protoconch sculpture; most of apical protoconch surface eroded. Scale bar shell = 1 mm. Scale bar protoconch = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.3558598" httpUri="https://zenodo.org/record/3558598/files/figure.png" pageId="31" pageNumber="32">Fig. 20</figureCitation>
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B–C: L1–3). Lateral tooth 4 reduced, hook-shaped, apical denticle largest, two small denticles on inner cutting edge (
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<figureCitation id="134E1182C246FFA00AAC1898FAB760CE" box="[1257,1350,2010,2036]" captionStart="FIGURE 20" captionStartId="27.[151,255,1926,1950]" captionTargetBox="[151,1435,679,1901]" captionTargetId="figure@27.[151,1436,679,1901]" captionTargetPageId="27" captionText="FIGURE 20. Holotype of Thieleella peruviana n. sp. Arrows indicate remnant of protoconch sculpture; most of apical protoconch surface eroded. Scale bar shell = 1 mm. Scale bar protoconch = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.3558598" httpUri="https://zenodo.org/record/3558598/files/figure.png" pageId="31" pageNumber="32">Fig. 20</figureCitation>
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C: L4).
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</paragraph>
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<paragraph id="8BCA0D07C279FF9F0ED21FDAFC116618" blockId="32.[151,1437,152,924]" pageId="32" pageNumber="33">
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Lateral tooth 5 enlarged by broadening, inner edge with 4–5 denticles, outer edge with three denticles (
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<figureCitation id="134E1182C279FF9F0B291FDAFF4667ED" captionStart="FIGURE 20" captionStartId="27.[151,255,1926,1950]" captionTargetBox="[151,1435,679,1901]" captionTargetId="figure@27.[151,1436,679,1901]" captionTargetPageId="27" captionText="FIGURE 20. Holotype of Thieleella peruviana n. sp. Arrows indicate remnant of protoconch sculpture; most of apical protoconch surface eroded. Scale bar shell = 1 mm. Scale bar protoconch = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.3558598" httpUri="https://zenodo.org/record/3558598/files/figure.png" pageId="32" pageNumber="33">Fig. 20</figureCitation>
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B–C: L5). Inner marginal teeth triangular with approximately 3–4 denticles on each side (
|
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<figureCitation id="134E1182C279FF9F0A831FFFFAEA67ED" box="[1222,1307,189,215]" captionStart="FIGURE 20" captionStartId="27.[151,255,1926,1950]" captionTargetBox="[151,1435,679,1901]" captionTargetId="figure@27.[151,1436,679,1901]" captionTargetPageId="27" captionText="FIGURE 20. Holotype of Thieleella peruviana n. sp. Arrows indicate remnant of protoconch sculpture; most of apical protoconch surface eroded. Scale bar shell = 1 mm. Scale bar protoconch = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.3558598" httpUri="https://zenodo.org/record/3558598/files/figure.png" pageId="32" pageNumber="33">Fig. 20</figureCitation>
|
||
D–E); with posterior projection on upper shaft (except marginal tooth 1:
|
||
<figureCitation id="134E1182C279FF9F0D3F1FA0FC2267C6" box="[890,979,226,252]" captionStart="FIGURE 20" captionStartId="27.[151,255,1926,1950]" captionTargetBox="[151,1435,679,1901]" captionTargetId="figure@27.[151,1436,679,1901]" captionTargetPageId="27" captionText="FIGURE 20. Holotype of Thieleella peruviana n. sp. Arrows indicate remnant of protoconch sculpture; most of apical protoconch surface eroded. Scale bar shell = 1 mm. Scale bar protoconch = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.3558598" httpUri="https://zenodo.org/record/3558598/files/figure.png" pageId="32" pageNumber="33">Fig. 20</figureCitation>
|
||
C: M1); outer marginal teeth spoon or paddle shaped with many fine denticles along apical edge (
|
||
<figureCitation id="134E1182C279FF9F0D0F1E4AFC516618" box="[842,928,264,290]" captionStart="FIGURE 20" captionStartId="27.[151,255,1926,1950]" captionTargetBox="[151,1435,679,1901]" captionTargetId="figure@27.[151,1436,679,1901]" captionTargetPageId="27" captionText="FIGURE 20. Holotype of Thieleella peruviana n. sp. Arrows indicate remnant of protoconch sculpture; most of apical protoconch surface eroded. Scale bar shell = 1 mm. Scale bar protoconch = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.3558598" httpUri="https://zenodo.org/record/3558598/files/figure.png" pageId="32" pageNumber="33">Fig. 20</figureCitation>
|
||
E–F).
|
||
</paragraph>
|
||
<paragraph id="8BCA0D07C279FF9F0E811E6FFF1F66E6" blockId="32.[151,1437,152,924]" pageId="32" pageNumber="33">
|
||
<emphasis id="B901D115C279FF9F0E811E6FFE19667D" bold="true" box="[196,488,301,327]" pageId="32" pageNumber="33">Differential diagnosis.</emphasis>
|
||
<taxonomicName id="4C757684C279FF9F0FB41E6FFD3E667C" box="[497,719,301,326]" class="Gastropoda" family="Anatomidae" genus="Thieleella" higherTaxonomySource="CoL" kingdom="Animalia" order="Lepetellida" pageId="32" pageNumber="33" phylum="Mollusca" rank="species" species="baxteri">
|
||
<emphasis id="B901D115C279FF9F0FB41E6FFD3E667C" box="[497,719,301,326]" italics="true" pageId="32" pageNumber="33">Thieleella baxteri</emphasis>
|
||
</taxonomicName>
|
||
from the northeastern Pacific has elevated lamellar axial sculpture.
|
||
<taxonomicName id="4C757684C279FF9F0F5C1E10FD696656" authority="Geiger, 2006" authorityName="Geiger" authorityYear="2006" box="[281,664,338,364]" class="Gastropoda" family="Anatomidae" genus="Anatoma" higherTaxonomySource="CoL" kingdom="Animalia" order="Lepetellida" pageId="32" pageNumber="33" phylum="Mollusca" rank="species" species="janetae">
|
||
<emphasis id="B901D115C279FF9F0F5C1E10FE1A6651" box="[281,491,338,363]" italics="true" pageId="32" pageNumber="33">Anatoma janetae</emphasis>
|
||
Geiger, 2006
|
||
</taxonomicName>
|
||
, from deep water of the eastern Pacific has a protoconch with flocculent sculpture in spiral orientation, the spiral cord on TI does not form a marked angulation, and shows a marked change of sculpture from predominant axial elements to exclusively spiral elements after 1.25 TII whorls.
|
||
</paragraph>
|
||
<paragraph id="8BCA0D07C279FF9F0E811EAAFB6F651D" blockId="32.[151,1437,152,924]" pageId="32" pageNumber="33">
|
||
<taxonomicName id="4C757684C279FF9F0E811EAAFE3D653B" box="[196,460,488,513]" class="Gastropoda" family="Anatomidae" genus="Thieleella" higherTaxonomySource="CoL" kingdom="Animalia" order="Lepetellida" pageId="32" pageNumber="33" phylum="Mollusca" rank="species" species="peruviana">
|
||
<emphasis id="B901D115C279FF9F0E811EAAFE3D653B" box="[196,460,488,513]" italics="true" pageId="32" pageNumber="33">Thieleella peruviana</emphasis>
|
||
</taxonomicName>
|
||
from deep water off
|
||
<collectingCountry id="F3624D97C279FF9F0C981EAAFCEB6538" box="[733,794,488,514]" name="Peru" pageId="32" pageNumber="33">Peru</collectingCountry>
|
||
, on TI has only a week spiral cord not forming an angulation on the shell’s profile, and has more (42 vs. 15) and weaker axial cords on TI.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36F5E8CC279FF9F0E811D70FDA564A6" pageId="32" pageNumber="33" type="discussion">
|
||
<paragraph id="8BCA0D07C279FF9F0E811D70FB226586" blockId="32.[151,1437,152,924]" pageId="32" pageNumber="33">
|
||
<emphasis id="B901D115C279FF9F0E811D70FECC6576" bold="true" box="[196,317,562,588]" pageId="32" pageNumber="33">Remarks.</emphasis>
|
||
The only specimen at hand is most likely not fully mature, because the final quarter whorl does not markedly descend along the coiling axis. The specimen is sufficiently distinct to warrant description as new, and material from that depth is unlikely to be collected in the foreseeable future. The specimen was preserved with the body in the shell, hence, was collected live in its natural deep-sea habitat.
|
||
</paragraph>
|
||
<paragraph id="8BCA0D07C279FF9F0E811D8AFDA564A6" blockId="32.[151,1437,152,924]" pageId="32" pageNumber="33">
|
||
The radula of the species shows a thus far unknown detail, namely the posterior projection on the apical portion of the shaft of the marginal teeth from marginal tooth 2 onwards. It is comparable to the food groove known from
|
||
<taxonomicName id="4C757684C279FF9F0F761C50FD1B6416" authority="A. Adams, 1855" authorityName="A. Adams" authorityYear="1855" box="[307,746,786,812]" class="Gastropoda" family="Tegulidae" genus="Tegula" higherTaxonomySource="CoL" kingdom="Animalia" order="Trochida" pageId="32" pageNumber="33" phylum="Mollusca" rank="species" species="funebralis">
|
||
<emphasis id="B901D115C279FF9F0F761C50FDF76411" box="[307,518,786,811]" italics="true" pageId="32" pageNumber="33">Tegula funebralis</emphasis>
|
||
(A. Adams, 1855)
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C757684C279FF9F0D601C50FC636416" box="[805,914,786,812]" class="Gastropoda" family="Liotiidae" kingdom="Animalia" pageId="32" pageNumber="33" phylum="Mollusca" rank="family">Liotiidae</taxonomicName>
|
||
(see
|
||
<bibRefCitation id="EFE470F6C279FF9F0D961C50FAF36416" author="Morris" box="[979,1282,786,812]" pageId="32" pageNumber="35" refString="Morris, T. E. & Hickman, C. S. (1981) A method for artificially protruding gastropod radulae and a new model of radula function. The Veliger, 24, 85 - 89." type="journal article" year="1981">Morris & Hickman 1981</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFE470F6C279FF9F0B4A1C50FECF6468" author="Hickman" pageId="32" pageNumber="35" refString="Hickman, C. S. & McLean J. H. 1990. Systematic revision and suprageneric classification of trochacean gastropods. Science Series Natural History Museum of Los Angeles County, 35, 1 - 169." type="journal article" year="1990">Hickman & McLean 1990</bibRefCitation>
|
||
). The occurrence of such a food groove in thus far a single species of
|
||
<taxonomicName id="4C757684C279FF9F0A2E1C7AFB0B6468" box="[1131,1274,824,850]" class="Gastropoda" family="Anatomidae" kingdom="Animalia" pageId="32" pageNumber="33" phylum="Mollusca" rank="family">Anatomidae</taxonomicName>
|
||
demonstrates further the by now fairly well-documented variability of the radula within
|
||
<taxonomicName id="4C757684C279FF9F0DBB1C1FFB7C644D" box="[1022,1165,861,887]" class="Gastropoda" family="Anatomidae" kingdom="Animalia" pageId="32" pageNumber="33" phylum="Mollusca" rank="family">Anatomidae</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFE470F6C279FF9F0AD81C1FFAB1644D" author="Geiger" box="[1181,1344,861,887]" pageId="32" pageNumber="34" refString="Geiger, D. L. (2006 a) A new blind Anatoma species from the bathyal of the northeastern Pacific (Vetigastropoda: Anatomidae). Molluscan Research, 28, 108 - 112." type="journal article" year="2006" yearSuffix="a">Geiger 2006a</bibRefCitation>
|
||
, Geiger & Sasaki 2008, Sasaki
|
||
<emphasis id="B901D115C279FF9F0FE31CC0FE2864A1" box="[422,473,898,923]" italics="true" pageId="32" pageNumber="33">et al</emphasis>
|
||
. in press).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |