205 lines
23 KiB
XML
205 lines
23 KiB
XML
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<mods:title id="12CF4C55507EB71234C07E72CE51258D">New species of Ilanga (Gastropoda: Trochoidea: Solariellidae) from the Indo-West Pacific</mods:title>
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<mods:namePart id="3CFC4AED7DBA16D827FF1752A9E6C97F">Williams, Suzanne T.</mods:namePart>
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<mods:title id="E1B62319E188A8C95C5232071D614DA5">Zootaxa</mods:title>
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<mods:date id="26025F2764865E96169E21CAF20FE188">2020</mods:date>
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<taxonomicName id="4FD11B86631DFFC9FF0B8B4AFE69FC25" ID-CoL="6N759" authority="Herbert, 1987" authorityName="Herbert" authorityYear="1987" box="[151,495,873,900]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="9" pageNumber="210" phylum="Mollusca" rank="species" species="discus">
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<emphasis id="BAA5BC17631DFFC9FF0B8B4AFE69FC25" bold="true" box="[151,495,873,900]" pageId="9" pageNumber="210">
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<emphasis id="BAA5BC17631DFFC9FF0B8B4AFEBFFC22" bold="true" box="[151,313,873,900]" italics="true" pageId="9" pageNumber="210">Ilanga discus</emphasis>
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<bibRefCitation id="EC401DF4631DFFC9FEDD8B4AFE69FC25" author="Herbert, D. G." box="[321,495,873,899]" pageId="9" pageNumber="210" pagination="283 - 382" refId="ref38823" refString="Herbert, D. G. (1987) Revision of the Solariellinae in Southern Africa. Annals of the Natal Museum, 28 (2), 283 - 382." type="journal article" year="1987">Herbert, 1987</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C0CB338E631DFFC9FF0B8BAEFB68FBAE" pageId="9" pageNumber="210" type="description">
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<paragraph id="886E6005631DFFC9FF0B8BAEFE17FC01" blockId="9.[151,495,873,935]" box="[151,401,908,935]" pageId="9" pageNumber="210">
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(
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<figureCitation id="10EA7C80631DFFC9FF038BAEFF62FC01" box="[159,228,908,935]" captionStart="FIGURE 5" captionStartId="10.[151,250,1670,1695]" captionTargetBox="[151,1436,179,1643]" captionTargetId="figure@10.[151,1436,179,1643]" captionTargetPageId="10" captionText="FIGURE 5. Ilanga discus Herbert, 1987, North-Western Madagascar. A–I. Madagascar, MIRIKY, stn CP3188, 298–301 m. A–F. MNHN IM-2009-8760, 5.2×8.5 mm. A–C. Shell, apertural, apical and basal views. D. Details of protoconch and first whorl. Scale 100 µm. E. Sculpture on whorls. Scale 1 mm. F. Details of umbilical area. Scale 1 mm. G–I. MNHN IM-2009- 8777, 6.8×11.6 mm. J–L. Vauban 1971–1975, stn CH43, 250–265 m, 6.1×13.1 mm. Scale (except for SEM images) 5 mm" figureDoi="http://doi.org/10.5281/zenodo.3663339" httpUri="https://zenodo.org/record/3663339/files/figure.png" pageId="9" pageNumber="210">Figs 5</figureCitation>
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A–L, Key 1: 1)
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</paragraph>
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<paragraph id="886E6005631DFFC9FF0B8BF2FC08FC4F" blockId="9.[151,1262,976,1032]" box="[151,910,976,1001]" pageId="9" pageNumber="210">
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DNA ref:
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<taxonomicName id="4FD11B86631DFFC9FF608BF2FE02FC4F" authorityName="Herbert" authorityYear="1987" box="[252,388,977,1001]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="9" pageNumber="210" phylum="Mollusca" rank="species" species="discus">
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<emphasis id="BAA5BC17631DFFC9FF608BF2FE02FC4F" box="[252,388,977,1001]" italics="true" pageId="9" pageNumber="210">Ilanga discus</emphasis>
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||
</taxonomicName>
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(
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<bibRefCitation id="EC401DF4631DFFC9FE0D8BF3FDE2FC4F" author="Williams, S. T. & Smith, L. M. & Herbert, D. G. & Marshall, B. A. & Waren, A. & Kiel, S. & Dyal, P. & Linse, K. & Vilvens, C. & Kano, Y." box="[401,612,976,1001]" pageId="9" pageNumber="210" pagination="887 - 917" refId="ref39852" refString="Williams, S. T., Smith, L. M., Herbert, D. G., Marshall, B. A., Waren, A., Kiel, S., Dyal, P., Linse, K., Vilvens, C. & Kano, Y. (2013) Cenozoic climate change and diversification on the continental shelf and slope: evolution of gastropod diversity in the family Solariellidae (Trochoidea). Ecology and Evolution, 3 (4), 887 - 917. https: // doi. org / 10.1002 / ece 3.513" type="journal article" year="2013">
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Williams
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<emphasis id="BAA5BC17631DFFC9FE698BF1FDAFFC4F" box="[501,553,977,1001]" italics="true" pageId="9" pageNumber="210">et al.</emphasis>
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2013
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</bibRefCitation>
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;
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<bibRefCitation id="EC401DF4631DFFC9FDF28BF2FC01FC4F" author="Sumner-Rooney, L. & Sigwart, J. D. & McAfee, J. & Smith, L. & Williams, S. T." box="[622,903,976,1001]" pageId="9" pageNumber="210" pagination="2268 - 2295" refId="ref39552" refString="Sumner-Rooney, L., Sigwart, J. D., McAfee, J., Smith, L. & Williams, S. T. (2016) Repeated eye reduction events reveal multiple pathways to degeneration in a family of marine snails. Evolution, 70 - 10, 2268 - 2295. https: // doi. org / 10.1111 / evo. 13022" type="journal article" year="2016">
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Sumner-Rooney
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<emphasis id="BAA5BC17631DFFC9FC868BF1FCCBFC4F" box="[794,845,977,1001]" italics="true" pageId="9" pageNumber="210">et al.</emphasis>
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2016
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</bibRefCitation>
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)
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</paragraph>
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<paragraph id="886E6005631DFFC9FF0B8BD3FB68FBAE" blockId="9.[151,1262,976,1032]" box="[151,1262,1007,1032]" pageId="9" pageNumber="210">
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COI sequence data: GenBank Accession numbers:
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<accessionNumber id="9782FDE6631DFFC9FD008BCCFC8CFBAE" box="[668,778,1007,1032]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/HF586251" pageId="9" pageNumber="210">HF586251</accessionNumber>
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,
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<accessionNumber id="9782FDE6631DFFC9FC898BCCFC02FBAE" box="[789,900,1007,1032]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/HF586250" pageId="9" pageNumber="210">HF586250</accessionNumber>
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,
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<accessionNumber id="9782FDE6631DFFC9FC128BCCFC7BFBAE" box="[910,1021,1007,1032]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/HF586249" pageId="9" pageNumber="210">HF586249</accessionNumber>
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,
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<accessionNumber id="9782FDE6631DFFC9FB9B8BCCFBF0FBAE" box="[1031,1142,1007,1032]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/HF586248" pageId="9" pageNumber="210">HF586248</accessionNumber>
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,
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<accessionNumber id="9782FDE6631DFFC9FB1C8BCCFB68FBAE" box="[1152,1262,1007,1032]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/HE800625" pageId="9" pageNumber="210">HE800625</accessionNumber>
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</paragraph>
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</subSubSection>
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<taxonomicName id="4FD11B86631DFFC9FF0B8C0EFDA6FBE3" ID-CoL="6N759" authority="Herbert, 1987: 302 - 303" authorityName="Herbert" authorityPageNumber="302 - 303" authorityYear="1987" box="[151,544,1068,1093]" class="Gastropoda" family="Solariellidae" genus="Ilanga" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Trochida" pageId="9" pageNumber="210" phylum="Mollusca" rank="species" species="discus">
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<emphasis id="BAA5BC17631DFFC9FF0B8C0EFEA6FBE3" box="[151,288,1069,1093]" italics="true" pageId="9" pageNumber="210">Ilanga discus</emphasis>
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<treatmentCitation id="09704614631DFFC9FEB48C0FFDA6FBE3" author="Herbert, D. G." box="[296,544,1068,1093]" page="302" pageId="9" pageNumber="210" year="1987">
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<bibRefCitation id="EC401DF4631DFFC9FEB48C0FFDA6FBE3" author="Herbert, D. G." box="[296,544,1068,1093]" pageId="9" pageNumber="210" pagination="283 - 382" refId="ref38823" refString="Herbert, D. G. (1987) Revision of the Solariellinae in Southern Africa. Annals of the Natal Museum, 28 (2), 283 - 382." type="journal article" year="1987">Herbert, 1987: 302–303</bibRefCitation>
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</treatmentCitation>
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</taxonomicName>
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, figs 16–20.
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<typeStatus id="576ADEA7631DFFC9FD398C0DFD51FBE0" box="[677,727,1070,1094]" pageId="9" pageNumber="210">Type</typeStatus>
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locality:
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<collectingCountry id="F0C62095631DFFC9FCA68C0FFC38FBE3" box="[826,958,1068,1093]" name="South Africa" pageId="9" pageNumber="210">South Africa</collectingCountry>
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, Natal, off Durban,
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,
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,
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<quantity id="4F29CDE0631DFFC9FAEA8C0FFF58FBC5" metricMagnitude="2" metricUnit="m" metricValue="1.95" pageId="9" pageNumber="210" unit="m" value="195.0">195 m</quantity>
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.
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<paragraph id="886E6005631DFFC9FF0B8CB1FCC1FB0A" blockId="9.[151,1437,1169,1988]" box="[151,839,1169,1197]" pageId="9" pageNumber="210">
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<emphasis id="BAA5BC17631DFFC9FF0B8CB1FEC3FB0A" bold="true" box="[151,325,1169,1196]" pageId="9" pageNumber="210">Type material.</emphasis>
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<typeStatus id="576ADEA7631DFFC9FED08CB1FE32FB0A" box="[332,436,1170,1196]" pageId="9" pageNumber="210" type="holotype">Holotype</typeStatus>
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NM B5905/T3467 (
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<bibRefCitation id="EC401DF4631DFFC9FD058CB1FCBDFB0A" author="Herbert, D. G." box="[665,827,1170,1196]" pageId="9" pageNumber="210" pagination="283 - 382" refId="ref38823" refString="Herbert, D. G. (1987) Revision of the Solariellinae in Southern Africa. Annals of the Natal Museum, 28 (2), 283 - 382." type="journal article" year="1987">Herbert, 1987</bibRefCitation>
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).
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</paragraph>
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<paragraph id="886E6005631DFFC9FF5B8C96FDBBFA9A" blockId="9.[151,1437,1169,1988]" pageId="9" pageNumber="210">
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<emphasis id="BAA5BC17631DFFC9FF5B8C96FE29FB76" bold="true" box="[199,431,1205,1232]" pageId="9" pageNumber="210">Material examined.</emphasis>
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North-Western
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<collectingCountry id="F0C62095631DFFC9FDFC8C95FD6FFB76" box="[608,745,1206,1232]" name="Madagascar" pageId="9" pageNumber="210">Madagascar</collectingCountry>
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. Chalutages
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<emphasis id="BAA5BC17631DFFC9FCE88C95FC4EFB76" box="[884,968,1206,1232]" italics="true" pageId="9" pageNumber="210">Vauban</emphasis>
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<date id="FC6F46C5631DFFC9FC528C96FBD6FB76" box="[974,1104,1205,1232]" pageId="9" pageNumber="210" value="1971" valueMax="1975">1971–1975</date>
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: stn DC03,
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,
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<geoCoordinate id="EDE506C2631DFFC9FAA48C95FA11FB76" box="[1336,1431,1206,1232]" degrees="48" direction="east" minutes="17" orientation="longitude" pageId="9" pageNumber="210" precision="925" value="48.283333">48°17’E</geoCoordinate>
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,
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<quantity id="4F29CDE0631DFFC9FF0B8CF9FF66FB53" box="[151,224,1242,1269]" metricMagnitude="2" metricUnit="m" metricValue="3.0" pageId="9" pageNumber="210" unit="m" value="300.0">300 m</quantity>
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, 1 dd sub.—Stn
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<collectingCountry id="F0C62095631DFFC9FE388CF9FE49FB52" box="[420,463,1242,1268]" name="Switzerland" pageId="9" pageNumber="210">CH</collectingCountry>
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11,
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<geoCoordinate id="EDE506C2631DFFC9FE6A8CF9FDD2FB52" box="[502,596,1242,1268]" degrees="12" direction="south" minutes="40" orientation="latitude" pageId="9" pageNumber="210" precision="925" value="-12.666667">12°40’S</geoCoordinate>
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,
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<geoCoordinate id="EDE506C2631DFFC9FDFE8CFAFD44FB52" box="[610,706,1241,1268]" degrees="48" direction="east" minutes="15" orientation="longitude" pageId="9" pageNumber="210" precision="925" value="48.25">48°15’E</geoCoordinate>
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,
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<quantity id="4F29CDE0631DFFC9FD4C8CFAFCD5FB53" box="[720,851,1241,1269]" metricMagnitude="2" metricUnit="m" metricValue="3.775" metricValueMax="3.8" metricValueMin="3.75" pageId="9" pageNumber="210" unit="m" value="377.5" valueMax="380.0" valueMin="375.0">375–380 m</quantity>
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, 1 dd.—Stn
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<collectingCountry id="F0C62095631DFFC9FC7A8CF9FB89FB52" box="[998,1039,1242,1268]" name="Switzerland" pageId="9" pageNumber="210">CH</collectingCountry>
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43,
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<geoCoordinate id="EDE506C2631DFFC9FBA68CFAFB1EFB52" box="[1082,1176,1241,1268]" degrees="15" direction="south" minutes="25" orientation="latitude" pageId="9" pageNumber="210" precision="925" value="-15.416667">15°25’S</geoCoordinate>
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||
,
|
||
<geoCoordinate id="EDE506C2631DFFC9FB3A8CF9FA80FB52" box="[1190,1286,1242,1268]" degrees="46" direction="east" minutes="02" orientation="longitude" pageId="9" pageNumber="210" precision="925" value="46.033333">46°02’E</geoCoordinate>
|
||
,
|
||
<quantity id="4F29CDE0631DFFC9FA888CFAFA11FB53" box="[1300,1431,1241,1269]" metricMagnitude="2" metricUnit="m" metricValue="2.575" metricValueMax="2.65" metricValueMin="2.5" pageId="9" pageNumber="210" unit="m" value="257.5" valueMax="265.0" valueMin="250.0">250–265 m</quantity>
|
||
, 1 lv.—MIRIKY: stn CP3188,
|
||
<geoCoordinate id="EDE506C2631DFFC9FE6C8CDDFDC8FABE" box="[496,590,1278,1304]" degrees="12" direction="south" minutes="31" orientation="latitude" pageId="9" pageNumber="210" precision="925" value="-12.516666">12°31’S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="EDE506C2631DFFC9FDC18CDDFD3AFABE" box="[605,700,1278,1304]" degrees="48" direction="east" minutes="22" orientation="longitude" pageId="9" pageNumber="210" precision="925" value="48.366665">48°22’E</geoCoordinate>
|
||
,
|
||
<quantity id="4F29CDE0631DFFC9FD578CDDFCC9FABF" box="[715,847,1278,1305]" metricMagnitude="2" metricUnit="m" metricValue="2.995" metricValueMax="3.01" metricValueMin="2.98" pageId="9" pageNumber="210" unit="m" value="299.5" valueMax="301.0" valueMin="298.0">298–301 m</quantity>
|
||
, 5 lv (DNA samples
|
||
<collectionCode id="EEC0F8C0631DFFC9FBD98CDCFB1DFABF" box="[1093,1179,1279,1305]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="9" pageNumber="210">MNHN</collectionCode>
|
||
20098758, 20098760, 20098761, 20098776 and 20098777).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C0CB338E631DFFC9FF5B8D66FE9BFA23" pageId="9" pageNumber="210" type="distribution">
|
||
<paragraph id="886E6005631DFFC9FF5B8D66FE9BFA23" blockId="9.[151,1437,1169,1988]" pageId="9" pageNumber="210">
|
||
<emphasis id="BAA5BC17631DFFC9FF5B8D66FEE7FAC6" bold="true" box="[199,353,1349,1376]" pageId="9" pageNumber="210">Distribution.</emphasis>
|
||
<collectingCountry id="F0C62095631DFFC9FEF68D65FE7BFAC6" box="[362,509,1350,1376]" name="South Africa" pageId="9" pageNumber="210">South Africa</collectingCountry>
|
||
,
|
||
<collectingRegion id="4A15AEE7631DFFC9FD908D65FD39FAC6" box="[524,703,1350,1376]" country="South Africa" name="KwaZulu-Natal" pageId="9" pageNumber="210">KwaZulu-Natal</collectingRegion>
|
||
,
|
||
<quantity id="4F29CDE0631DFFC9FD508D66FCCBFAC7" box="[716,845,1349,1377]" metricMagnitude="2" metricUnit="m" metricValue="2.175" metricValueMax="2.7" metricValueMin="1.65" pageId="9" pageNumber="210" unit="m" value="217.5" valueMax="270.0" valueMin="165.0">165–270 m</quantity>
|
||
(lv); North-Western
|
||
<collectingCountry id="F0C62095631DFFC9FBDC8D65FB4FFAC6" box="[1088,1225,1350,1376]" name="Madagascar" pageId="9" pageNumber="210">Madagascar</collectingCountry>
|
||
,
|
||
<quantity id="4F29CDE0631DFFC9FB4B8D66FADCFAC7" box="[1239,1370,1349,1377]" metricMagnitude="2" metricUnit="m" metricValue="3.2" metricValueMax="3.75" metricValueMin="2.65" pageId="9" pageNumber="210" unit="m" value="320.0" valueMax="375.0" valueMin="265.0">265–375 m</quantity>
|
||
, lv at
|
||
<quantity id="4F29CDE0631DFFC9FF0B8D4AFE9FFA23" box="[151,281,1385,1413]" metricMagnitude="2" metricUnit="m" metricValue="2.815" metricValueMax="2.98" metricValueMin="2.65" pageId="9" pageNumber="210" unit="m" value="281.5" valueMax="298.0" valueMin="265.0">
|
||
265–
|
||
<specimenCount id="9ED7AB8C631DFFC9FF538D4AFE9FFA23" box="[207,281,1385,1413]" pageId="9" pageNumber="210" type="generic">298 m</specimenCount>
|
||
</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C0CB338E631DFFC9FF5B8DAEFC0AF862" pageId="9" pageNumber="210" type="description">
|
||
<paragraph id="886E6005631DFFC9FF5B8DAEFAE9F8FE" blockId="9.[151,1437,1169,1988]" pageId="9" pageNumber="210">
|
||
<emphasis id="BAA5BC17631DFFC9FF5B8DAEFB7DFA0E" bold="true" box="[199,1275,1421,1448]" pageId="9" pageNumber="210">Description (supplementary—based on the original description and DNA samples studied).</emphasis>
|
||
Shell: Moderately to rather tall for genus (H up to
|
||
<quantity id="4F29CDE0631DFFC9FDA78D91FD15FA6B" box="[571,659,1458,1485]" metricMagnitude="-3" metricUnit="m" metricValue="6.8" pageId="9" pageNumber="210" unit="mm" value="6.8">6.8 mm</quantity>
|
||
, W to
|
||
<quantity id="4F29CDE0631DFFC9FD418D91FCC3FA6B" box="[733,837,1458,1485]" metricMagnitude="-2" metricUnit="m" metricValue="1.31" pageId="9" pageNumber="210" unit="mm" value="13.1">13.1 mm</quantity>
|
||
), height 0.47–0.61×width, about 1.7×aperture height; much wider than high, shape sublenticular, thin-shelled, glossy; spire depressed, periphery subangular; umbilicus very broad, deep. Protoconch ca. 250–300 μm wide, 1.25 whorls, rounded, with about 5 weak spiral and with ter- minal lip slightly expanded. Teleoconch up to 4.8 weakly convex to nearly flat whorls, without shoulder; whorls smooth except first whorl; weak growth lines on last whorls. Suture impressed, not canaliculated. First whorl convex, sculptured with 5–6 spiral cords appearing immediately; cords more or less equally spaced; abapical cords vanishing near end of whorl; very fine axial threads between cords. At end of second whorl, all cords vanished and axial threads disappearing, leaving surface nearly smooth with weak, fine prosocline growth-lines. On last whorl, some very weak, low, thin abapical cords near periphery. Aperture subcircular; peristome incomplete; outer and inner lip thin; inner lip with weak basal thickening against umbilical rim. Base moderately convex, smooth. Umbilicus broad (diameter 25–28% of shell width), central, with perspective to apex, with angulate rim; steep-sided wall with very thin axial threads and without spiral cords inside; axial pleats visible on early whorls, but not body whorl.
|
||
</paragraph>
|
||
<paragraph id="886E6005631DFFC9FF5B8F41FB93F806" blockId="9.[151,1437,1169,1988]" pageId="9" pageNumber="210">Colour: Teleoconch white to yellowish-white, with brown zig zag radial bands (sometimes diffuse) forming usually two distinct spiral bands; base pale or white, with similar zig zag bands.</paragraph>
|
||
<paragraph id="886E6005631DFFC9FF5B8F89FC0AF862" blockId="9.[151,1437,1169,1988]" box="[199,908,1962,1988]" pageId="9" pageNumber="210">Operculum: Corneous, multispiral with central nucleus, brown.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |