254 lines
30 KiB
XML
254 lines
30 KiB
XML
<document id="2B244FA7CC7519F09932B26775E75588" ID-DOI="10.11646/zootaxa.3640.3.2" ID-GBIF-Dataset="44e24dab-b3fb-4719-a84d-fa667ab6c4ac" ID-ISSN="1175-5326" ID-Zenodo-Dep="223281" ID-ZooBank="0101E600-90AB-4EDE-9F3C-5C9075BE6066" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460593625392" checkinUser="plazi" docAuthor="Sartori, André F., Gargominy, Olivier & Fontaine, Benoît" docDate="2013" docId="03DD87A3FF97D44F55AC7A49FDA3D1CD" docLanguage="en" docName="zt03640p372.pdf" docOrigin="Zootaxa 3640 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Australdonta sibleti Sartori, Gargominy & Fontaine, 2013, sp. nov." docType="treatment" docVersion="9" lastPageNumber="358" masterDocId="FFE4FFDBFF9CD440553B7C11FFB9D269" masterDocTitle="Anthropogenic extinction of Pacific land snails: A case study of Rurutu, French Polynesia, with description of eight new species of endodontids (Pulmonata)" masterLastPageNumber="372" masterPageNumber="343" pageNumber="354" updateTime="1698326412613" updateUser="plazi">
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<mods:mods id="DE6965B29AA9C5B4A1D3FBCFBA496013" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="E396A8BA1DC2A8405185E26F28F22AF9">
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<mods:title id="734B6BA6BFDFB176C18F775B92CA9B9A">Anthropogenic extinction of Pacific land snails: A case study of Rurutu, French Polynesia, with description of eight new species of endodontids (Pulmonata)</mods:title>
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</mods:titleInfo>
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<mods:name id="9977D3E538B7AC971C722842BF883DC6" type="personal">
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<mods:role id="9C24BE5E75BE11743920D560D3E398FB">
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<mods:roleTerm id="F21D47CA6DD249A9F56C76EA05BED007">Author</mods:roleTerm>
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<mods:namePart id="9970EF963F0E742FC759681AFD87999E">Sartori, André F.</mods:namePart>
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</mods:name>
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<mods:name id="C7335C9960B7DBF87A5C424F235D2E8F" type="personal">
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<mods:roleTerm id="7AEF8C948D1E88FE1E38FB4CF6FBABDB">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="1A60C77CAD03DEFFEFE564B2351D37EE">Gargominy, Olivier</mods:namePart>
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</mods:name>
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<mods:name id="FE961A58384733BC5F2109D9B0CE72A2" type="personal">
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<mods:roleTerm id="C85915E2D3D6F7B60D1DCE240231610F">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="B94AF20399450D0E5ED685EA65BBE320">Fontaine, Benoît</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="3584F96517228B44EE6471C176D95D98">text</mods:typeOfResource>
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<mods:title id="D27D3C1D31E7DB9248F88484C8C42A8D">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="5E204F45CC0FEA9143780B2A5FDA5CE7">
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<mods:date id="4685BBB721C9C4C26E5F4139C9AA9D74">2013</mods:date>
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<mods:detail id="3BE7CCF90B3D99D4BB6A71A4FE3D8CB6" type="volume">
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<mods:number id="8FC4674E4073D571D436B2B7465D8412">3640</mods:number>
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</mods:detail>
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<mods:detail id="0C69B94E8D1388249695FB31BA57B1E3" type="issue">
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<mods:number id="83F5C9FF01FF8A418497BB3628F26061">3</mods:number>
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<mods:start id="51BFE107E3D697E17C96969FA3F118D7">343</mods:start>
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<mods:end id="F0D0AC3B44955FDF8715B198EECB54C3">372</mods:end>
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<mods:classification id="7DE3846C2DCF6DD359AA1B349E7FCA4F">journal article</mods:classification>
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<mods:identifier id="14835E7B23A1C0B1D8C6865687749EA6" type="DOI">10.11646/zootaxa.3640.3.2</mods:identifier>
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<mods:identifier id="CE408AEE8749300E7E33A5ADBFBE1B0C" type="GBIF-Dataset">44e24dab-b3fb-4719-a84d-fa667ab6c4ac</mods:identifier>
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<mods:identifier id="A7D634BFBB8AE2EA0AAEE07EE26D809C" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="3FAB0232453DA88C9A0D99EA4E5E9FEB" type="Zenodo-Dep">223281</mods:identifier>
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<mods:identifier id="AF5DBDA06E83AA965F713B9DA393BBCB" type="ZooBank">0101E600-90AB-4EDE-9F3C-5C9075BE6066</mods:identifier>
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</mods:mods>
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<treatment id="03DD87A3FF97D44F55AC7A49FDA3D1CD" ID-DOI="http://doi.org/10.5281/zenodo.5615954" ID-GBIF-Taxon="119566227" ID-Zenodo-Dep="5615954" LSID="urn:lsid:plazi:treatment:03DD87A3FF97D44F55AC7A49FDA3D1CD" httpUri="http://treatment.plazi.org/id/03DD87A3FF97D44F55AC7A49FDA3D1CD" lastPageId="15" lastPageNumber="358" pageId="11" pageNumber="354">
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<subSubSection id="C36E653EFF97D44B55AC7A49FE11D4FA" pageId="11" pageNumber="354" type="nomenclature">
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<paragraph id="8BCB36B5FF97D44B55AC7A49FE51D41B" blockId="11.[151,488,1624,1683]" box="[151,488,1624,1650]" pageId="11" pageNumber="354">
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<heading id="D08381D9FF97D44B55AC7A49FE51D41B" bold="true" box="[151,488,1624,1650]" fontSize="11" level="1" pageId="11" pageNumber="354" reason="1">
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<emphasis id="B900EAA7FF97D44B55AC7A49FE51D41B" bold="true" box="[151,488,1624,1650]" pageId="11" pageNumber="354">
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<taxonomicName id="4C744D36FF97D44B55AC7A49FE3DD41B" ID-CoL="7Q96V" box="[151,388,1624,1650]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="11" pageNumber="354" phylum="Mollusca" rank="species" species="sibleti" status="sp. nov.">
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<emphasis id="B900EAA7FF97D44B55AC7A49FE3DD41B" bold="true" box="[151,388,1624,1650]" italics="true" pageId="11" pageNumber="354">Australdonta sibleti</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23357DCFF97D44B54B07A49FE51D41B" box="[395,488,1624,1650]" pageId="11" pageNumber="354" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BCB36B5FF97D44B55AC7A6AFE11D4FA" blockId="11.[151,488,1624,1683]" box="[151,424,1659,1683]" pageId="11" pageNumber="354">
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<figureCitation id="134F2A30FF97D44B55AC7A6AFEB9D4FA" box="[151,256,1659,1683]" captionStart="FIGURE 3" captionStartId="7.[151,250,1786,1809]" captionTargetBox="[151,1435,176,1765]" captionTargetId="figure@7.[151,1436,165,1765]" captionTargetPageId="7" captionText="FIGURE 3. Holotypes of: A. Australdonta oheatora sp. nov.; B. A. anneae sp. nov.; C. A. sibleti sp. nov.; D. A. florencei sp. nov. Scale bars = 1 mm." httpUri="https://zenodo.org/record/223284/files/figure.png" pageId="11" pageNumber="354">Figures 3</figureCitation>
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C, 6, 14C, 15C
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</paragraph>
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</subSubSection>
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<subSubSection id="C36E653EFF97D44B55AC7AD2FE39D52E" pageId="11" pageNumber="354" type="materials_examined">
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<paragraph id="8BCB36B5FF97D44B55AC7AD2FE39D52E" blockId="11.[151,1436,1731,2008]" pageId="11" pageNumber="354">
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<emphasis id="B900EAA7FF97D44B55AC7AD2FEC5D4B5" bold="true" box="[151,380,1731,1756]" pageId="11" pageNumber="354">Examined material</emphasis>
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(
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<specimenCount id="9D72FD3CFF97D44B54B07AD2FD8ED4B2" box="[395,567,1731,1755]" pageId="11" pageNumber="354" type="generic">139 specimens</specimenCount>
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).
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<emphasis id="B900EAA7FF97D44B57767AD5FD03D4B5" bold="true" box="[589,698,1732,1756]" pageId="11" pageNumber="354">
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<typeStatus id="54CF8817FF97D44B57767AD5FD03D4B5" box="[589,698,1732,1756]" pageId="11" pageNumber="354" type="holotype">Holotype</typeStatus>
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</emphasis>
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: MNHN 25201, Rr8.
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<emphasis id="B900EAA7FF97D44B56857AD5FB86D4B5" bold="true" box="[958,1087,1732,1756]" pageId="11" pageNumber="354">
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<typeStatus id="54CF8817FF97D44B56857AD5FB83D4B5" box="[958,1082,1732,1756]" pageId="11" pageNumber="354" type="paratype">Paratypes</typeStatus>
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:
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</emphasis>
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MNHN 25202, 8 shells, Rr8.
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<emphasis id="B900EAA7FF97D44B55AC7AF6FE3AD569" bold="true" box="[151,387,1767,1792]" pageId="11" pageNumber="354">Additional material</emphasis>
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: 1 shell, Rr6; 1 shell, Rr20; 1 shell, Rr22; 32 shells, Rr31; 26 shells, Rr35; 7 shells, Rr36; 1 shell, Rr38; 11 shells, Rr42; 2 shells, Rr43; 1 shell, Rr53; 2 shells, Rr54; 2 shells, Rr57; 8 shells, Rr62; 32 shells, Rr66; 3 shells, Rr68.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36E653EFF97D44B55FC7B42FD61D5E6" pageId="11" pageNumber="354" type="diagnosis">
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<paragraph id="8BCB36B5FF97D44B55FC7B42FD61D5E6" blockId="11.[151,1436,1731,2008]" pageId="11" pageNumber="354">
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<emphasis id="B900EAA7FF97D44B55FC7B42FE83D505" bold="true" box="[199,314,1875,1900]" pageId="11" pageNumber="354">Diagnosis</emphasis>
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: Shell with a flat apex and spire, rounded periphery, well-spaced primary axial ribs, without flammulations; teleoconch without spiral sculpture.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36E653EFF97D44C55FC7B8AFB13D0C1" lastPageId="12" lastPageNumber="355" pageId="11" pageNumber="354" type="description">
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<paragraph id="8BCB36B5FF97D44C55FC7B8AFB13D0C1" blockId="11.[151,1436,1731,2008]" lastBlockId="12.[151,1437,151,680]" lastPageId="12" lastPageNumber="355" pageId="11" pageNumber="354">
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<emphasis id="B900EAA7FF97D44B55FC7B8AFEE8D5DD" bold="true" box="[199,337,1947,1972]" pageId="11" pageNumber="354">Description</emphasis>
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: Shell discoidal, white to light fawn, without markings. Shell thin, usually pellucid, rarely opaque; periostracum adherent, shiny. Apex and spire flat; last whorl descending more rapidly. Apical and umbilical sutures impressed; whorls rounded, periphery rounded to very weakly angled. Transition between protoconch and teleoconch indistinct. Protoconch sculptured by very fine, widely spaced spiral and axial lirae, forming a reticulated pattern; spiral lirae wobbly in aspect, fading on the transitional zone between protoconch and teleoconch. Axial lirae progressively transitioning into coarser ribs, constituting the primary sculpture of the teleoconch. Interspaces between primary ribs occupied by secondary sculpture of two to six wavy axial riblets. Umbilicus very wide, shallow. Peristome crescent-shaped. Palatal wall with two to four recessed traces, all usually very low, rarely with the second and third reaching the prominence of typical barriers; palatal traces/barriers extending approximately one-eighth whorl, with gradual anterior and posterior descension; first columellar in position, often lacking, slightly less prominent and a little more deeply recessed than second; second basal in position, slightly wider than the third, infraperipheral trace; forth often lacking, supraperipheral, a little more deeply recessed, slightly less prominent than third. Parietal barriers two to three in number, not recessed within aperture, extending inwards beyond the line of vision from the peristome, with gradual anterior descension; first and second higher posteriorly, invariably present; third often lacking, less prominent than remainder, approximately constant in height throughout its visible extent. Rarely with a trace between the second and third parietal barriers. Other shell features that can be expressed numerically are shown in
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<tableCitation id="C6F6030EFF90D44C516B7E81FB1FD0C1" box="[1104,1190,656,680]" captionStart="TABLE 2" captionStartId="8.[151,239,871,895]" captionTargetBox="[159,1432,1024,2009]" captionTargetPageId="8" captionText="TABLE 2. Dimensions (in mm) and ratios of type specimens. See Figure 2 for the placement of measurements. Tildes (~) and dashes (–) indicate approximate values and data missing due to poor preservation, respectively. Abbreviations: ah, aperture height; aw, aperture width; d, shell diameter; h, shell height; nr, number of ribs on body whorl; sp, spire protrusion; u, diameter of umbilicus; wn, number of whorls." httpUri="http://table.plazi.org/id/DF0B663DFF94D44855AC7F76FCA1D1B6" pageId="12" pageNumber="355" tableUuid="DF0B663DFF94D44855AC7F76FCA1D1B6">Table 2</tableCitation>
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.
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</paragraph>
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</subSubSection>
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<caption id="DF0B663DFF90D44C55AC7B82FB96D58E" httpUri="https://zenodo.org/record/223285/files/figure.png" pageId="12" pageNumber="355" targetBox="[151,1435,733,1917]" targetPageId="12">
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<paragraph id="8BCB36B5FF90D44C55AC7B82FB96D58E" blockId="12.[151,1437,1939,2023]" pageId="12" pageNumber="355">
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<emphasis id="B900EAA7FF90D44C55AC7B82FEAAD5C0" bold="true" box="[151,275,1939,1962]" pageId="12" pageNumber="355">FIGURE 5.</emphasis>
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<taxonomicName id="4C744D36FF90D44C54227B85FE54D5C3" box="[281,493,1940,1962]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="12" pageNumber="355" phylum="Mollusca" rank="species" species="anneae" status="sp. nov.">
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<emphasis id="B900EAA7FF90D44C54227B85FE54D5C3" box="[281,493,1940,1962]" italics="true" pageId="12" pageNumber="355">Australdonta anneae</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23357DCFF90D44C54CF7B84FDFAD5C3" box="[500,579,1941,1962]" pageId="12" pageNumber="355" rank="species">sp. nov.</taxonomicNameLabel>
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<emphasis id="B900EAA7FF90D44C57737B85FDE3D5C0" bold="true" box="[584,602,1940,1961]" pageId="12" pageNumber="355">A</emphasis>
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–
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<emphasis id="B900EAA7FF90D44C575C7B82FDC0D5C3" bold="true" box="[615,633,1939,1962]" pageId="12" pageNumber="355">C</emphasis>
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. Holotype (MNHN 25197), apical views;
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<emphasis id="B900EAA7FF90D44C511C7B85FB80D5C0" bold="true" box="[1063,1081,1940,1961]" pageId="12" pageNumber="355">A</emphasis>
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. General view;
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<emphasis id="B900EAA7FF90D44C51E77B85FB54D5C0" bold="true" box="[1244,1261,1940,1961]" pageId="12" pageNumber="355">B</emphasis>
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. Sculpture of the protoconch and early teleoconch;
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<emphasis id="B900EAA7FF90D44C54C87BA3FDBCD5A0" bold="true" box="[499,517,1970,1993]" pageId="12" pageNumber="355">C</emphasis>
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. Sculpture of the late teleoconch;
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<emphasis id="B900EAA7FF90D44C565C7BA2FCC0D5A1" bold="true" box="[871,889,1971,1992]" pageId="12" pageNumber="355">D</emphasis>
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. Paratype 1 (MNHN 25198), detail of the peristome. Arrowheads indicate the traces of apertural barriers. Scale bars: A = 1 mm; B–D= 200 µm.
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</paragraph>
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</caption>
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<caption id="DF0B663DFF91D44D55AC7B49FAB5D5C2" httpUri="https://zenodo.org/record/223286/files/figure.png" pageId="13" pageNumber="356" targetBox="[151,1435,193,1857]" targetPageId="13">
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<paragraph id="8BCB36B5FF91D44D55AC7B49FAB5D5C2" blockId="13.[151,1435,1880,1963]" pageId="13" pageNumber="356">
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<emphasis id="B900EAA7FF91D44D55AC7B49FEAAD507" bold="true" box="[151,275,1880,1903]" pageId="13" pageNumber="356">FIGURE 6.</emphasis>
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<taxonomicName id="4C744D36FF91D44D54207B49FE5DD507" box="[283,484,1880,1902]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="356" phylum="Mollusca" rank="species" species="sibleti" status="sp. nov.">
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<emphasis id="B900EAA7FF91D44D54207B49FE5DD507" box="[283,484,1880,1902]" italics="true" pageId="13" pageNumber="356">Australdonta sibleti</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23357DCFF91D44D54D07B48FD82D507" box="[491,571,1881,1902]" pageId="13" pageNumber="356" rank="species">sp. nov.</taxonomicNameLabel>
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<emphasis id="B900EAA7FF91D44D577A7B48FDEAD507" bold="true" box="[577,595,1881,1902]" pageId="13" pageNumber="356">A</emphasis>
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–
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<emphasis id="B900EAA7FF91D44D575B7B49FDCBD506" bold="true" box="[608,626,1880,1903]" pageId="13" pageNumber="356">C</emphasis>
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. Holotype (MNHN 25201), apical views;
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<emphasis id="B900EAA7FF91D44D511F7B48FB8FD507" bold="true" box="[1060,1078,1881,1902]" pageId="13" pageNumber="356">A</emphasis>
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. General view;
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<emphasis id="B900EAA7FF91D44D51E17B48FB52D507" bold="true" box="[1242,1259,1881,1902]" pageId="13" pageNumber="356">B</emphasis>
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. Sculpture of the protoconch and early teleoconch;
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<emphasis id="B900EAA7FF91D44D54D77B66FE47D5E7" bold="true" box="[492,510,1911,1934]" pageId="13" pageNumber="356">C</emphasis>
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. Sculpture of the late teleoconch;
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<emphasis id="B900EAA7FF91D44D566D7B69FCD1D5E4" bold="true" box="[854,872,1912,1933]" pageId="13" pageNumber="356">D</emphasis>
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. Paratype 6 (MNHN 25202), detail of the peristome;
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<emphasis id="B900EAA7FF91D44D50BF7B69FA2CD5E4" bold="true" box="[1412,1429,1912,1933]" pageId="13" pageNumber="356">E</emphasis>
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. Specimen collected at station Rr42, showing prominent palatal barriers. Scale bars: A,E = 1 mm; B–D= 200 µm.
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</paragraph>
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</caption>
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<caption id="DF0B663DFF92D44E55AC7B1EFAE8D50B" httpUri="https://zenodo.org/record/223287/files/figure.png" pageId="14" pageNumber="357" targetBox="[151,1435,183,1785]" targetPageId="14">
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<paragraph id="8BCB36B5FF92D44E55AC7B1EFAE8D50B" blockId="14.[151,1435,1807,1890]" pageId="14" pageNumber="357">
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<emphasis id="B900EAA7FF92D44E55AC7B1EFEADD54C" bold="true" box="[151,276,1807,1830]" pageId="14" pageNumber="357">FIGURE 7.</emphasis>
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<taxonomicName id="4C744D36FF92D44E54277B1EFDB8D54C" box="[284,513,1807,1829]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="14" pageNumber="357" phylum="Mollusca" rank="species" species="florencei" status="sp. nov.">
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<emphasis id="B900EAA7FF92D44E54277B1EFDB8D54C" box="[284,513,1807,1829]" italics="true" pageId="14" pageNumber="357">Australdonta florencei</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23357DCFF92D44E57327B01FDE0D54C" box="[521,601,1808,1829]" pageId="14" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
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<emphasis id="B900EAA7FF92D44E575B7B1EFDCBD54D" bold="true" box="[608,626,1807,1828]" pageId="14" pageNumber="357">A</emphasis>
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–
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<emphasis id="B900EAA7FF92D44E57447B1EFD28D54F" bold="true" box="[639,657,1807,1830]" pageId="14" pageNumber="357">C</emphasis>
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. Holotype (MNHN 25203), apical views;
|
||
<emphasis id="B900EAA7FF92D44E517D7B1EFBE1D54D" bold="true" box="[1094,1112,1807,1828]" pageId="14" pageNumber="357">A</emphasis>
|
||
. General view;
|
||
<emphasis id="B900EAA7FF92D44E51C47B01FAA9D54C" bold="true" box="[1279,1296,1808,1829]" pageId="14" pageNumber="357">B</emphasis>
|
||
. Sculpture of the protoconch and early teleoconch;
|
||
<emphasis id="B900EAA7FF92D44E57157B3CFDF9D52D" bold="true" box="[558,576,1837,1860]" pageId="14" pageNumber="357">C</emphasis>
|
||
. Sculpture of the late teleoconch;
|
||
<emphasis id="B900EAA7FF92D44E56877B3FFC77D52A" bold="true" box="[956,974,1838,1859]" pageId="14" pageNumber="357">D</emphasis>
|
||
. Paratype 1 (MNHN 25204), detail of the peristome;
|
||
<emphasis id="B900EAA7FF92D44E54337B5CFEA0D50B" bold="true" box="[264,281,1869,1890]" pageId="14" pageNumber="357">E</emphasis>
|
||
. Specimen from station Rr38, displaying an unusually high spire. Scale bars: A,E = 1 mm; B–D= 200 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C36E653EFF92D44F55FC7B9CFE20D135" lastPageId="15" lastPageNumber="358" pageId="14" pageNumber="357" type="discussion">
|
||
<paragraph id="8BCB36B5FF92D44F55FC7B9CFDBAD375" blockId="14.[151,1436,1932,2029]" lastBlockId="15.[151,1437,151,932]" lastPageId="15" lastPageNumber="358" pageId="14" pageNumber="357">
|
||
<emphasis id="B900EAA7FF92D44E55FC7B9CFE8DD5CC" bold="true" box="[199,308,1933,1957]" pageId="14" pageNumber="357">Remarks</emphasis>
|
||
: Endodontids commonly display flaking periostracal extensions of their shell sculpture (Solem 1976, p. 34). In
|
||
<taxonomicName id="4C744D36FF92D44E54737BA1FD3ED5A1" authority="Solem, 1976" authorityName="Solem" authorityYear="1976" box="[328,647,1968,1992]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="14" pageNumber="357" phylum="Mollusca" rank="species" species="raivavaeana">
|
||
<emphasis id="B900EAA7FF92D44E54737BA1FE4AD5A1" box="[328,499,1968,1992]" italics="true" pageId="14" pageNumber="357">A. raivavaeana</emphasis>
|
||
Solem, 1976
|
||
</taxonomicName>
|
||
(Solem 1976, fig. 23), periostracal lamellae project from the apexes of narrow shell ribs and riblets that closely resemble those of
|
||
<taxonomicName id="4C744D36FF92D44E567A7BC4FC1ED584" box="[833,935,2005,2029]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="14" pageNumber="357" phylum="Mollusca" rank="species" species="sibleti">
|
||
<emphasis id="B900EAA7FF92D44E567A7BC4FC1ED584" box="[833,935,2005,2029]" italics="true" pageId="14" pageNumber="357">A. sibleti</emphasis>
|
||
</taxonomicName>
|
||
. However, periostracal extensions were not visible in scanning electron micrographs of any of the new species described herein. Given the similarity of the sculptural elements formed by the shell wall, it seems likely that
|
||
<taxonomicName id="4C744D36FF93D44F564F7CADFC6ED2BD" box="[884,983,188,212]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="sibleti">
|
||
<emphasis id="B900EAA7FF93D44F564F7CADFC6ED2BD" box="[884,983,188,212]" italics="true" pageId="15" pageNumber="358">A. sibleti</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C744D36FF93D44F56DD7CADFBD1D2BD" box="[998,1128,188,212]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="florencei">
|
||
<emphasis id="B900EAA7FF93D44F56DD7CADFBD1D2BD" box="[998,1128,188,212]" italics="true" pageId="15" pageNumber="358">A. florencei</emphasis>
|
||
</taxonomicName>
|
||
and perhaps a few other of the new taxa established here may have displayed periostracal lamellae, which were not preserved in the dead shells available for examination.
|
||
</paragraph>
|
||
<paragraph id="8BCB36B5FF93D44F55FC7D38FD60D0A5" blockId="15.[151,1437,151,932]" pageId="15" pageNumber="358">
|
||
In size, overall shape and coloration,
|
||
<taxonomicName id="4C744D36FF93D44F574E7D39FD63D329" box="[629,730,296,320]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="sibleti">
|
||
<emphasis id="B900EAA7FF93D44F574E7D39FD63D329" box="[629,730,296,320]" italics="true" pageId="15" pageNumber="358">A. sibleti</emphasis>
|
||
</taxonomicName>
|
||
most closely resembles
|
||
<taxonomicName id="4C744D36FF93D44F56CF7D39FAE4D329" authority="Solem, 1976" authorityName="Solem" authorityYear="1976" box="[1012,1373,296,320]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="pseudplanulata">
|
||
<emphasis id="B900EAA7FF93D44F56CF7D39FB7BD329" box="[1012,1218,296,320]" italics="true" pageId="15" pageNumber="358">A. pseudplanulata</emphasis>
|
||
Solem, 1976
|
||
</taxonomicName>
|
||
, with which it occurs sympatrically. However, the more spaced primary axial sculpture of
|
||
<taxonomicName id="4C744D36FF93D44F51A57D5DFAB0D30D" box="[1182,1289,332,356]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="sibleti">
|
||
<emphasis id="B900EAA7FF93D44F51A57D5DFAB0D30D" box="[1182,1289,332,356]" italics="true" pageId="15" pageNumber="358">A. sibleti</emphasis>
|
||
</taxonomicName>
|
||
readily and consistently distinguish it from
|
||
<taxonomicName id="4C744D36FF93D44F54C57D61FD73D3E1" box="[510,714,368,392]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="pseudplanulata">
|
||
<emphasis id="B900EAA7FF93D44F54C57D61FD73D3E1" box="[510,714,368,392]" italics="true" pageId="15" pageNumber="358">A. pseudplanulata</emphasis>
|
||
</taxonomicName>
|
||
, even in juvenile material. Additionally,
|
||
<taxonomicName id="4C744D36FF93D44F51A77D61FABBD3E1" box="[1180,1282,368,392]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="sibleti">
|
||
<emphasis id="B900EAA7FF93D44F51A77D61FABBD3E1" box="[1180,1282,368,392]" italics="true" pageId="15" pageNumber="358">A. sibleti</emphasis>
|
||
</taxonomicName>
|
||
normally has palatal barriers that are much smaller and fewer than the four prominent palatal barriers of
|
||
<taxonomicName id="4C744D36FF93D44F51B77D85FAE1D3C5" box="[1164,1368,404,428]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="pseudplanulata">
|
||
<emphasis id="B900EAA7FF93D44F51B77D85FAE1D3C5" box="[1164,1368,404,428]" italics="true" pageId="15" pageNumber="358">A. pseudplanulata</emphasis>
|
||
</taxonomicName>
|
||
. In
|
||
<taxonomicName id="4C744D36FF93D44F50BF7D85FF62D3B9" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="sibleti">
|
||
<emphasis id="B900EAA7FF93D44F50BF7D85FF62D3B9" italics="true" pageId="15" pageNumber="358">A. sibleti</emphasis>
|
||
</taxonomicName>
|
||
, this latter arrangement was only found in specimens collected along the Northwest coast of Rurutu (stations Rr42, Rr43 and Rr57), and in one specimen from station Rr31, in the central East coast (
|
||
<figureCitation id="134F2A30FF93D44F51BC7DCDFB72D39D" box="[1159,1227,476,500]" captionStart="FIGURE 6" captionStartId="13.[151,250,1880,1903]" captionTargetBox="[151,1435,193,1857]" captionTargetId="figure@13.[151,1436,193,1859]" captionTargetPageId="13" captionText="FIGURE 6. Australdonta sibleti sp. nov. A – C. Holotype (MNHN 25201), apical views; A. General view; B. Sculpture of the protoconch and early teleoconch; C. Sculpture of the late teleoconch; D. Paratype 6 (MNHN 25202), detail of the peristome; E. Specimen collected at station Rr 42, showing prominent palatal barriers. Scale bars: A, E = 1 mm; B – D = 200 µm." httpUri="https://zenodo.org/record/223286/files/figure.png" pageId="15" pageNumber="358">Fig. 6</figureCitation>
|
||
E). Shell sculpture also seems to display some degree of geographical variation, with all
|
||
<taxonomicName id="4C744D36FF93D44F568D7E11FBA2D071" box="[950,1051,512,536]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="sibleti">
|
||
<emphasis id="B900EAA7FF93D44F568D7E11FBA2D071" box="[950,1051,512,536]" italics="true" pageId="15" pageNumber="358">A. sibleti</emphasis>
|
||
</taxonomicName>
|
||
collected in the Southwest of the island (station Rr62) and many collected in the most southern stations exhibiting weaker primary axial ribs. Variation in parietals was essentially in the number of barriers present, with one quarter of the examined material lacking the third barrier, and two specimens showing a trace between the second and third barriers. In other aspects all of these specimens agree well with typical
|
||
<taxonomicName id="4C744D36FF93D44F57987E81FCB1D0C1" box="[675,776,656,680]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="sibleti">
|
||
<emphasis id="B900EAA7FF93D44F57987E81FCB1D0C1" box="[675,776,656,680]" italics="true" pageId="15" pageNumber="358">A. sibleti</emphasis>
|
||
</taxonomicName>
|
||
; variations in shell sculpture and morphology of apertural barriers are thus presently regarded as intraspecific.
|
||
</paragraph>
|
||
<paragraph id="8BCB36B5FF93D44F55FC7EC9FE20D135" blockId="15.[151,1437,151,932]" pageId="15" pageNumber="358">
|
||
Superficially
|
||
<taxonomicName id="4C744D36FF93D44F54657EC9FE7BD099" box="[350,450,728,752]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="sibleti">
|
||
<emphasis id="B900EAA7FF93D44F54657EC9FE7BD099" box="[350,450,728,752]" italics="true" pageId="15" pageNumber="358">A. sibleti</emphasis>
|
||
</taxonomicName>
|
||
may also be mistaken for
|
||
<taxonomicName id="4C744D36FF93D44F57DC7EC9FCDED099" box="[743,871,728,752]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="florencei">
|
||
<emphasis id="B900EAA7FF93D44F57DC7EC9FCDED099" box="[743,871,728,752]" italics="true" pageId="15" pageNumber="358">A. florencei</emphasis>
|
||
</taxonomicName>
|
||
—which displays a similar primary axial sculpture of well-spaced, narrow ribs—but that species lacks secondary axial sculpture in the late teleoconch, has prominent spiral ornamentation, a narrower umbilicus, a more elevated spire and axial ribs that are slightly denser and taller than those of
|
||
<taxonomicName id="4C744D36FF93D44F54157F55FE2BD135" box="[302,402,836,860]" class="Gastropoda" family="Endodontidae" genus="Australdonta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="15" pageNumber="358" phylum="Mollusca" rank="species" species="sibleti">
|
||
<emphasis id="B900EAA7FF93D44F54157F55FE2BD135" box="[302,402,836,860]" italics="true" pageId="15" pageNumber="358">A. sibleti</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36E653EFF93D44F55FC7F79FDA3D1CD" pageId="15" pageNumber="358" type="etymology">
|
||
<paragraph id="8BCB36B5FF93D44F55FC7F79FDA3D1CD" blockId="15.[151,1437,151,932]" pageId="15" pageNumber="358">
|
||
<emphasis id="B900EAA7FF93D44F55FC7F79FEF1D1E9" bold="true" box="[199,328,872,896]" pageId="15" pageNumber="358">Etymology</emphasis>
|
||
: This species is dedicated to Jean-Philippe Siblet, head of the Natural Heritage Service of MNHN, eminent birder—nobody’s perfect.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |