240 lines
31 KiB
XML
240 lines
31 KiB
XML
<document id="9A95190EEAEBE7DB5763C82C27BF1CD7" ID-CLB-Dataset="22261" ID-DOI="10.11646/zootaxa.4772.3.1" ID-GBIF-Dataset="d807f185-5391-4c8c-84c6-2550370b3cd3" ID-ISSN="1175-5326" ID-Zenodo-Dep="3819654" ID-ZooBank="F546A223-59A0-4DA1-9102-AD7BC482105F" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1589175628250" checkinUser="plazi" docAuthor="Dell’Angelo, Bruno, Landau, Bernard M., Sosso, Maurizio & Taviani, Marco" docDate="2020" docId="03D21D39FFA53941FF7BFA4DFF15DB37" docLanguage="en" docName="zootaxa.4772.3.1.pdf" docOrigin="Zootaxa 4772 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Lucilina aegyptiaca Dell’Angelo & Landau & Sosso & Taviani 2020, n. sp." docType="treatment" docVersion="7" lastPageNumber="425" masterDocId="FFEB6541FFB23959FFECFFB3FFF0DE03" masterDocTitle="Late Pleistocene Red Sea Mollusca: 1. Polyplacophora" masterLastPageNumber="449" masterPageNumber="401" pageNumber="424" updateTime="1698839092336" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:mods id="172277993389A90DD848626E126FCAA0" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="FD805DF337A39926D35EF87D706517F3">
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<mods:title id="B6111B6AA187B25712C5CFBBADA373FF">Late Pleistocene Red Sea Mollusca: 1. Polyplacophora</mods:title>
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</mods:titleInfo>
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<mods:name id="5FE77403991A59EA0C1D1E8936E9375D" type="personal">
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<mods:role id="CF36978ADA453F900F5919DA2BBE9732">
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<mods:roleTerm id="991D2C220091CA61778E7E790F527292">Author</mods:roleTerm>
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<mods:namePart id="9B72DFD3692B2E4F5C0570B88216A13F">Dell’Angelo, Bruno</mods:namePart>
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<mods:roleTerm id="825269CBCE0E803F548A929E1BD8D7EB">Author</mods:roleTerm>
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<mods:namePart id="55F2A68A7FB6A6FFF301219182E81DC6">Landau, Bernard M.</mods:namePart>
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</mods:name>
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<mods:name id="1650C83DD03373FC0EA5DA6A656B61E7" type="personal">
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<mods:roleTerm id="C764E5ADBD0D5CA8C1D272CF68D076AB">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="BEF7437A82B3E522BEBEA3E97BCE073E">Sosso, Maurizio</mods:namePart>
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</mods:name>
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<mods:name id="5717BD6A0ED00408BA7D4BDE886AAE83" type="personal">
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<mods:roleTerm id="7E5EF0B26C5B794B4A98BA9B93BC2903">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="D91D8FC398DA665913CB6E621D204582">Taviani, Marco</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="B1E6516217FE412D55C1AAD1D1D94069">text</mods:typeOfResource>
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<mods:title id="B311DC8D0176A94FAABE3A94D7E336D6">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="6C07496C8B2DF1194D1168D4D43F0121">
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<mods:date id="23C3A2E7EB7E82B61C3E88803465958C">2020</mods:date>
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<mods:detail id="CFC4E3012649F524BA523EC5E874C7E0" type="pubDate">
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<mods:number id="BF6A36D7A0D232D75BAA73FB86D2A534">2020-05-11</mods:number>
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</mods:detail>
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<mods:detail id="C1EBFF46826DD4D725321F3F09238DA3" type="volume">
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<mods:number id="15B3BE614B6DDF133426DEFDD384E6BA">4772</mods:number>
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<mods:detail id="BC9AF30BDE369C880640E2E4D6A12D6E" type="issue">
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<mods:number id="2187FC4E099FCC131EA007EA64668487">3</mods:number>
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<mods:classification id="6F60411B83657994D122167FCDE4F9ED">journal article</mods:classification>
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<mods:identifier id="F0349119B383C0066B1E4BD0704182EB" type="CLB-Dataset">22261</mods:identifier>
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<mods:identifier id="E3D3887892270AB780883BD0B452EB08" type="DOI">10.11646/zootaxa.4772.3.1</mods:identifier>
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<mods:identifier id="801DA9B40536D024ECF8AEF1ED779E7D" type="GBIF-Dataset">d807f185-5391-4c8c-84c6-2550370b3cd3</mods:identifier>
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<mods:identifier id="686A86B48DE5AB7840A0048F53642BFF" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="BD33C17A899A12C757BF3E5B1127DC3B" type="Zenodo-Dep">3819654</mods:identifier>
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<mods:identifier id="8FE129F94E92B28829C1B69223734FA5" type="ZooBank">F546A223-59A0-4DA1-9102-AD7BC482105F</mods:identifier>
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</mods:mods>
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<treatment id="03D21D39FFA53941FF7BFA4DFF15DB37" ID-DOI="http://doi.org/10.5281/zenodo.3844073" ID-GBIF-Taxon="164035837" ID-Zenodo-Dep="3844073" LSID="urn:lsid:plazi:treatment:03D21D39FFA53941FF7BFA4DFF15DB37" httpUri="http://treatment.plazi.org/id/03D21D39FFA53941FF7BFA4DFF15DB37" lastPageId="24" lastPageNumber="425" pageId="23" pageNumber="424">
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<subSubSection id="C361FFA4FFA5394EFF7BFA4DFE31D81A" box="[151,449,1534,1561]" pageId="23" pageNumber="424" type="nomenclature">
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<paragraph id="8BC4AC2FFFA5394EFF7BFA4DFE31D81A" blockId="23.[151,449,1534,1597]" box="[151,449,1534,1561]" pageId="23" pageNumber="424">
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<heading id="D08C1B43FFA5394EFF7BFA4DFE31D81A" bold="true" box="[151,449,1534,1561]" fontSize="11" level="1" pageId="23" pageNumber="424" reason="1">
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<emphasis id="B90F703DFFA5394EFF7BFA4DFE31D81A" bold="true" box="[151,449,1534,1561]" pageId="23" pageNumber="424">
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<taxonomicName id="4C7BD7ACFFA5394EFF7BFA4DFE8BD81A" ID-CoL="7RYHB" authority="Dell’Angelo & Landau & Sosso & Taviani, 2020" authorityName="Dell’Angelo & Landau & Sosso & Taviani" authorityYear="2020" box="[151,379,1534,1561]" class="Polyplacophora" family="Chitonidae" genus="Lucilina" kingdom="Animalia" order="Chitonida" pageId="23" pageNumber="424" phylum="Mollusca" rank="species" species="aegyptiaca" status="sp. nov.">
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<emphasis id="B90F703DFFA5394EFF7BFA4DFE8BD81A" bold="true" box="[151,379,1534,1561]" italics="true" pageId="23" pageNumber="424">Lucilina aegyptiaca</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23CCD46FFA5394EFE6EFA4CFE31D81A" box="[386,449,1535,1561]" pageId="23" pageNumber="424" rank="species">n. sp.</taxonomicNameLabel>
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||
</emphasis>
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||
</heading>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C361FFA4FFA5394EFF7BF990FF0AD83E" box="[151,250,1571,1597]" pageId="23" pageNumber="424" type="description">
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||
<paragraph id="8BC4AC2FFFA5394EFF7BF990FF0AD83E" blockId="23.[151,449,1534,1597]" box="[151,250,1571,1597]" pageId="23" pageNumber="424">
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||
(
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<figureCitation id="1340B0AAFFA5394EFF4CF990FF01D83E" box="[160,241,1571,1597]" captionStart="FIGURE 14" captionStartId="23.[151,250,1284,1309]" captionTargetBox="[151,1436,181,1259]" captionTargetId="figure@23.[151,1436,181,1259]" captionTargetPageId="23" captionText="FIGURE 14. Lucilina aegyptiaca n. sp. A–H. Egypt, Hurghada (St. 13), Late Pleistocene (last interglacial MIS5e). A–D. Holotype, MZB 50546, intermediate valve, width 4 mm, dorsal view (A), detail of tegmentum surface of pleural area (B), ventral (C) and frontal (D) views. E–H. Paratype, MZB 50547, tail valve, width 3 mm, dorsal, ventral, lateral and posterior views. I–L. Present-day, Zabargad Island, st. 13/30, MZB 50548, intermediate valve, width 3.8 mm, dorsal view (I), detail of tegmentum surface of pleural area (J), of lateral areas (K) and frontal view (L). Scale bar: 100 µm (B, K)." figureDoi="http://doi.org/10.5281/zenodo.3819684" httpUri="https://zenodo.org/record/3819684/files/figure.png" pageId="23" pageNumber="424">Fig. 14</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C361FFA4FFA5394EFF7BF9D8FCD0D95E" pageId="23" pageNumber="424" type="materials_examined">
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<paragraph id="8BC4AC2FFFA5394EFF7BF9D8FBB0D8AA" blockId="23.[151,1436,1642,2030]" pageId="23" pageNumber="424">
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<emphasis id="B90F703DFFA5394EFF7BF9D8FEB5D886" bold="true" box="[151,325,1642,1669]" pageId="23" pageNumber="424">Type material.</emphasis>
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<materialsCitation id="3B13A672FFA5394EFEA0F9D8FB96D886" ID-GBIF-Occurrence="2611558342" box="[332,1126,1642,1670]" pageId="23" pageNumber="424" specimenCount="1" typeStatus="holotype">
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||
<typeStatus id="54C0128DFFA5394EFEA0F9D8FE49D886" box="[332,441,1643,1669]" pageId="23" pageNumber="424" type="holotype">Holotype</typeStatus>
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: MZB 50546, intermediate valve, width
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<quantity id="4C8301CAFFA5394EFC93F9D8FC30D885" box="[895,960,1643,1670]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="23" pageNumber="424" unit="mm" value="4.0">4 mm</quantity>
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||
(
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<figureCitation id="1340B0AAFFA5394EFC22F9D8FBD2D886" box="[974,1058,1643,1669]" captionStart="FIGURE 14" captionStartId="23.[151,250,1284,1309]" captionTargetBox="[151,1436,181,1259]" captionTargetId="figure@23.[151,1436,181,1259]" captionTargetPageId="23" captionText="FIGURE 14. Lucilina aegyptiaca n. sp. A–H. Egypt, Hurghada (St. 13), Late Pleistocene (last interglacial MIS5e). A–D. Holotype, MZB 50546, intermediate valve, width 4 mm, dorsal view (A), detail of tegmentum surface of pleural area (B), ventral (C) and frontal (D) views. E–H. Paratype, MZB 50547, tail valve, width 3 mm, dorsal, ventral, lateral and posterior views. I–L. Present-day, Zabargad Island, st. 13/30, MZB 50548, intermediate valve, width 3.8 mm, dorsal view (I), detail of tegmentum surface of pleural area (J), of lateral areas (K) and frontal view (L). Scale bar: 100 µm (B, K)." figureDoi="http://doi.org/10.5281/zenodo.3819684" httpUri="https://zenodo.org/record/3819684/files/figure.png" pageId="23" pageNumber="424">Figs 14</figureCitation>
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A–D)
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||
</materialsCitation>
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||
.
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<typeStatus id="54C0128DFFA5394EFB9DF9DFFB12D885" box="[1137,1250,1644,1670]" pageId="23" pageNumber="424" type="paratype">Paratypes</typeStatus>
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||
: RGM.1356859, intermediate valve, width
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||
<quantity id="4C8301CAFFA5394EFE50F93CFE09D8AA" box="[444,505,1679,1705]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="23" pageNumber="424" unit="mm" value="3.0">3mm</quantity>
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||
;
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||
<materialsCitation id="3B13A672FFA5394EFDE8F923FBCCD8AA" ID-GBIF-Occurrence="2611558344" box="[516,1084,1678,1706]" pageId="23" pageNumber="424" specimenCount="1" typeStatus="paratype">
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||
MZB 50547, tail valve, width
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||
<quantity id="4C8301CAFFA5394EFCB4F93CFC69D8A9" box="[856,921,1679,1706]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="23" pageNumber="424" unit="mm" value="3.0">3 mm</quantity>
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||
(
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||
<figureCitation id="1340B0AAFFA5394EFC4BF93CFC0BD8AA" box="[935,1019,1679,1705]" captionStart="FIGURE 14" captionStartId="23.[151,250,1284,1309]" captionTargetBox="[151,1436,181,1259]" captionTargetId="figure@23.[151,1436,181,1259]" captionTargetPageId="23" captionText="FIGURE 14. Lucilina aegyptiaca n. sp. A–H. Egypt, Hurghada (St. 13), Late Pleistocene (last interglacial MIS5e). A–D. Holotype, MZB 50546, intermediate valve, width 4 mm, dorsal view (A), detail of tegmentum surface of pleural area (B), ventral (C) and frontal (D) views. E–H. Paratype, MZB 50547, tail valve, width 3 mm, dorsal, ventral, lateral and posterior views. I–L. Present-day, Zabargad Island, st. 13/30, MZB 50548, intermediate valve, width 3.8 mm, dorsal view (I), detail of tegmentum surface of pleural area (J), of lateral areas (K) and frontal view (L). Scale bar: 100 µm (B, K)." figureDoi="http://doi.org/10.5281/zenodo.3819684" httpUri="https://zenodo.org/record/3819684/files/figure.png" pageId="23" pageNumber="424">Figs 14</figureCitation>
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E–H)
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</materialsCitation>
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||
.
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</paragraph>
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||
<paragraph id="8BC4AC2FFFA5394EFF2BF900FD7DD8CE" blockId="23.[151,1436,1642,2030]" box="[199,653,1714,1742]" pageId="23" pageNumber="424">
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||
<materialsCitation id="3B13A672FFA5394EFF2BF900FD79D8CE" ID-GBIF-Occurrence="2611558345" box="[199,649,1714,1742]" country="Egypt" location="Hurghada" pageId="23" pageNumber="424" specimenCount="1" typeStatus="holotype">
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<emphasis id="B90F703DFFA5394EFF2BF900FE95D8CE" bold="true" box="[199,357,1714,1741]" pageId="23" pageNumber="424">
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||
<typeStatus id="54C0128DFFA5394EFF2BF900FEF2D8CE" box="[199,258,1715,1741]" pageId="23" pageNumber="424">Type</typeStatus>
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locality.
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</emphasis>
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<location id="8EA4FAF4FFA5394EFE80F900FE2DD8CE" LSID="urn:lsid:plazi:treatment:03D21D39FFA53941FF7BFA4DFF15DB37:8EA4FAF4FFA5394EFE80F900FE2DD8CE" box="[364,477,1715,1741]" country="Egypt" name="Hurghada" pageId="23" pageNumber="424">Hurghada</location>
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,
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<collectingCountry id="F36CECBFFFA5394EFE04F907FDDBD8CD" box="[488,555,1716,1742]" name="Egypt" pageId="23" pageNumber="424">Egypt</collectingCountry>
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(St. 13)
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</materialsCitation>
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||
.
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</paragraph>
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<paragraph id="8BC4AC2FFFA5394EFF2BF965FADAD8F2" blockId="23.[151,1436,1642,2030]" box="[199,1322,1750,1778]" pageId="23" pageNumber="424">
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||
<emphasis id="B90F703DFFA5394EFF2BF965FE0CD8F2" bold="true" box="[199,508,1750,1777]" pageId="23" pageNumber="424">Other material examined.</emphasis>
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||
<collectingCountry id="F36CECBFFFA5394EFDEEF96BFDB8D8F1" box="[514,584,1752,1778]" name="Egypt" pageId="23" pageNumber="424">Egypt</collectingCountry>
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||
, Hurghada (St. 13): 5 valves (4 intermediate and 1 tail) (
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<collectionCode id="ED6A34EAFFA5394EFB2CF964FB18D8F2" box="[1216,1256,1751,1777]" pageId="23" pageNumber="424">BD</collectionCode>
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||
212).
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||
</paragraph>
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||
<paragraph id="8BC4AC2FFFA5394EFF2BF948FAAAD916" blockId="23.[151,1436,1642,2030]" box="[199,1370,1786,1813]" pageId="23" pageNumber="424">
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||
<emphasis id="B90F703DFFA5394EFF2BF948FDF7D916" bold="true" box="[199,519,1786,1813]" pageId="23" pageNumber="424">Recent material examined.</emphasis>
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||
Zabargad Island (13/30): 2 intermediate valves (
|
||
<figureCitation id="1340B0AAFFA5394EFBC5F948FB8CD916" box="[1065,1148,1787,1813]" captionStart="FIGURE 14" captionStartId="23.[151,250,1284,1309]" captionTargetBox="[151,1436,181,1259]" captionTargetId="figure@23.[151,1436,181,1259]" captionTargetPageId="23" captionText="FIGURE 14. Lucilina aegyptiaca n. sp. A–H. Egypt, Hurghada (St. 13), Late Pleistocene (last interglacial MIS5e). A–D. Holotype, MZB 50546, intermediate valve, width 4 mm, dorsal view (A), detail of tegmentum surface of pleural area (B), ventral (C) and frontal (D) views. E–H. Paratype, MZB 50547, tail valve, width 3 mm, dorsal, ventral, lateral and posterior views. I–L. Present-day, Zabargad Island, st. 13/30, MZB 50548, intermediate valve, width 3.8 mm, dorsal view (I), detail of tegmentum surface of pleural area (J), of lateral areas (K) and frontal view (L). Scale bar: 100 µm (B, K)." figureDoi="http://doi.org/10.5281/zenodo.3819684" httpUri="https://zenodo.org/record/3819684/files/figure.png" pageId="23" pageNumber="424">Figs 14</figureCitation>
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||
I–L) (
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||
<collectionCode id="ED6A34EAFFA5394EFB52F948FB0CD916" box="[1214,1276,1787,1813]" country="Indonesia" httpUri="http://grbio.org/cool/b9gz-izvg" name="Museum Zoologicum Bogoriense" pageId="23" pageNumber="424" type="Museum">MZB</collectionCode>
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50548).
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</paragraph>
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<paragraph id="8BC4AC2FFFA5394EFF2BF8ADFDCDD939" blockId="23.[151,1436,1642,2030]" box="[199,573,1822,1850]" pageId="23" pageNumber="424">
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||
<emphasis id="B90F703DFFA5394EFF2BF8ADFE66D93A" bold="true" box="[199,406,1822,1849]" pageId="23" pageNumber="424">Maximum width.</emphasis>
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||
- / 4.4 /
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||
<quantity id="4C8301CAFFA5394EFE19F8ACFDC9D939" box="[501,569,1823,1850]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="23" pageNumber="424" unit="mm" value="3.0">3 mm</quantity>
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.
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</paragraph>
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<paragraph id="8BC4AC2FFFA5394EFF2BF8F0FCD0D95E" blockId="23.[151,1436,1642,2030]" box="[199,800,1858,1886]" pageId="23" pageNumber="424">
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||
<emphasis id="B90F703DFFA5394EFF2BF8F0FEBCD95E" bold="true" box="[199,332,1859,1885]" pageId="23" pageNumber="424">
|
||
<typeStatus id="54C0128DFFA5394EFF2BF8F0FEF2D95E" box="[199,258,1859,1885]" pageId="23" pageNumber="424">Type</typeStatus>
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||
stage.
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||
</emphasis>
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Late Pleistocene, last interglacial MIS5e.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C361FFA4FFA5394EFF2BF8D4FECDD9A6" pageId="23" pageNumber="424" type="etymology">
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||
<paragraph id="8BC4AC2FFFA5394EFF2BF8D4FECDD9A6" blockId="23.[151,1436,1642,2030]" pageId="23" pageNumber="424">
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||
<emphasis id="B90F703DFFA5394EFF2BF8D4FEBED982" bold="true" box="[199,334,1895,1921]" pageId="23" pageNumber="424">Etymology.</emphasis>
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The name refers to the country (
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<collectingCountry id="F36CECBFFFA5394EFD25F8D4FCFFD982" box="[713,783,1895,1921]" name="Egypt" pageId="23" pageNumber="424">Egypt</collectingCountry>
|
||
) providing all the material belonging to this new species known to date.
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</paragraph>
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||
</subSubSection>
|
||
<subSubSection id="C361FFA4FFA53941FF2BF81DFAB1DF40" lastPageId="24" lastPageNumber="425" pageId="23" pageNumber="424" type="diagnosis">
|
||
<paragraph id="8BC4AC2FFFA5394EFF2BF81DFA6CD9ED" blockId="23.[151,1436,1642,2030]" pageId="23" pageNumber="424">
|
||
<emphasis id="B90F703DFFA5394EFF2BF81DFEB2D9CA" bold="true" box="[199,322,1966,1993]" pageId="23" pageNumber="424">Diagnosis.</emphasis>
|
||
Intermediate valve rectangular, moderately elevated, subcarinated in anterior profile, posterior margin almost straight at both sides of prominent apex, almost triangular; tail valve semicircular, mucro small, not very
|
||
</paragraph>
|
||
<paragraph id="8BC4AC2FFFAA3941FF7BFF2AFAB1DF40" blockId="24.[151,1437,153,1332]" pageId="24" pageNumber="425">prominent, in subcentral position, antemucronal slope almost straight, postmucronal slope convex. Tegmentum sculptured with irregular radial striae of roundish granules on lateral areas of intermediate valves and postmucronal area of tail valve; central area of intermediate valves and postmucronal area of tail valve sculptured with irregular longitudinal striae of ellipsoidal granules, with reduced interspace. Articulamentum white, apophyses rounded, trapezoidal in tail valve, jugal sinus wide, slit formula: -/1/8, teeth of tail valve slightly forwardly directed.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C361FFA4FFAA3941FF2BFEFFFDECDD38" pageId="24" pageNumber="425" type="description">
|
||
<paragraph id="8BC4AC2FFFAA3941FF2BFEFFFD45DC3C" blockId="24.[151,1437,153,1332]" pageId="24" pageNumber="425">
|
||
<emphasis id="B90F703DFFAA3941FF2BFEFFFEA9DF64" bold="true" box="[199,345,332,359]" pageId="24" pageNumber="425">Description.</emphasis>
|
||
Intermediate valve rectangular, L/W ratio = 0.60, anterior margin convex, moderately elevated (H/W = 0.42), subcarinated in anterior profile, side margins rounded, posterior margin almost straight at both sides of prominent apex, almost triangular, forming angle of ca 130°, pleural areas with ca 30–35 longitudinal, irregular striae of granules (with reduced interspace, larger towards lateral sides), present, but less evident on jugal area, ellipsoidal granules, drop shaped, widely spaced,
|
||
<quantity id="4C8301CAFFAA3941FD55FE6EFCF3DFF4" box="[697,771,477,503]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="24" pageNumber="425" unit="mm" value="60.0">60 µm</quantity>
|
||
wide and up to
|
||
<quantity id="4C8301CAFFAA3941FC53FE6EFBE7DFF4" box="[959,1047,477,503]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="24" pageNumber="425" unit="mm" value="100.0">100 µm</quantity>
|
||
long, in some cases tending to be more roundish towards lateral sides (
|
||
<figureCitation id="1340B0AAFFAA3941FDDEFDB2FD69DC18" box="[562,665,513,539]" captionStart="FIGURE 14" captionStartId="23.[151,250,1284,1309]" captionTargetBox="[151,1436,181,1259]" captionTargetId="figure@23.[151,1436,181,1259]" captionTargetPageId="23" captionText="FIGURE 14. Lucilina aegyptiaca n. sp. A–H. Egypt, Hurghada (St. 13), Late Pleistocene (last interglacial MIS5e). A–D. Holotype, MZB 50546, intermediate valve, width 4 mm, dorsal view (A), detail of tegmentum surface of pleural area (B), ventral (C) and frontal (D) views. E–H. Paratype, MZB 50547, tail valve, width 3 mm, dorsal, ventral, lateral and posterior views. I–L. Present-day, Zabargad Island, st. 13/30, MZB 50548, intermediate valve, width 3.8 mm, dorsal view (I), detail of tegmentum surface of pleural area (J), of lateral areas (K) and frontal view (L). Scale bar: 100 µm (B, K)." figureDoi="http://doi.org/10.5281/zenodo.3819684" httpUri="https://zenodo.org/record/3819684/files/figure.png" pageId="24" pageNumber="425">Fig. 14A</figureCitation>
|
||
), lateral areas not raised, with irregular radial striae of more roundish granules, ocelli scarcely visible in anterior third.
|
||
</paragraph>
|
||
<paragraph id="8BC4AC2FFFAA3941FF2BFDFAFC49DCCC" blockId="24.[151,1437,153,1332]" pageId="24" pageNumber="425">Tail valve semicircular, length ca half width (L/W = 0.52), anterior margin slightly sinuose, mucro small, not very evident, in subcentral position, antemucronal slope almost straight, postmucronal slope convex, antemucronal area sculptured like pleural area of intermediate valves, postmucronal area with irregular sculpture like lateral areas of intermediate valves, ocelli randomly dispersed in postmucronal area.</paragraph>
|
||
<paragraph id="8BC4AC2FFFAA3941FF2BFD6AFDECDD38" blockId="24.[151,1437,153,1332]" pageId="24" pageNumber="425">Articulamentum white, apophyses rounded, trapezoidal in tail valve, jugal sinus wide, slit formula: -/1/8, slit rays not indicated, teeth of tail valve slightly forwardly directed, all teeth finely grooved on upper side, denticulated on outer edge, eaves narrow, solid.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C361FFA4FFAA3941FF2BFCF6FF0BDAE8" pageId="24" pageNumber="425" type="discussion">
|
||
<paragraph id="8BC4AC2FFFAA3941FF2BFCF6FCB1DDA4" blockId="24.[151,1437,153,1332]" pageId="24" pageNumber="425">
|
||
<emphasis id="B90F703DFFAA3941FF2BFCF6FECBDD5C" bold="true" box="[199,315,837,863]" pageId="24" pageNumber="425">Remarks.</emphasis>
|
||
Only a few poorly preserved and often incomplete intermediate valves and two tail valves from a single locality are present in the studied fossil material. The exit holes of the canals of the aesthetes embedded in the tegmentum are clearly visible in the pleural areas (
|
||
<figureCitation id="1340B0AAFFAA3941FD22FC3EFCC4DDA4" box="[718,820,909,935]" captionStart="FIGURE 14" captionStartId="23.[151,250,1284,1309]" captionTargetBox="[151,1436,181,1259]" captionTargetId="figure@23.[151,1436,181,1259]" captionTargetPageId="23" captionText="FIGURE 14. Lucilina aegyptiaca n. sp. A–H. Egypt, Hurghada (St. 13), Late Pleistocene (last interglacial MIS5e). A–D. Holotype, MZB 50546, intermediate valve, width 4 mm, dorsal view (A), detail of tegmentum surface of pleural area (B), ventral (C) and frontal (D) views. E–H. Paratype, MZB 50547, tail valve, width 3 mm, dorsal, ventral, lateral and posterior views. I–L. Present-day, Zabargad Island, st. 13/30, MZB 50548, intermediate valve, width 3.8 mm, dorsal view (I), detail of tegmentum surface of pleural area (J), of lateral areas (K) and frontal view (L). Scale bar: 100 µm (B, K)." figureDoi="http://doi.org/10.5281/zenodo.3819684" httpUri="https://zenodo.org/record/3819684/files/figure.png" pageId="24" pageNumber="425">Fig. 14B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BC4AC2FFFAA3941FF2BFC02FDCCDDEC" blockId="24.[151,1437,153,1332]" pageId="24" pageNumber="425">
|
||
<taxonomicName id="4C7BD7ACFFAA3941FF2BFC02FE56DDC8" authority="Dell’Angelo & Landau & Sosso & Taviani, 2020" authorityName="Dell’Angelo & Landau & Sosso & Taviani" authorityYear="2020" box="[199,422,945,971]" class="Polyplacophora" family="Chitonidae" genus="Lucilina" kingdom="Animalia" order="Chitonida" pageId="24" pageNumber="425" phylum="Mollusca" rank="species" species="aegyptiaca" status="sp. nov.">
|
||
<emphasis id="B90F703DFFAA3941FF2BFC02FE56DDC8" box="[199,422,945,971]" italics="true" pageId="24" pageNumber="425">Lucilina aegyptiaca</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23CCD46FFAA3941FE40FC02FE18DDC8" box="[428,488,945,971]" pageId="24" pageNumber="425" rank="species">n. sp.</taxonomicNameLabel>
|
||
is similar to
|
||
<taxonomicName id="4C7BD7ACFFAA3941FD94FC01FD1CDDC8" authority="Dell’Angelo & Landau & Sosso & Taviani, 2020" authorityName="Dell’Angelo & Landau & Sosso & Taviani" authorityYear="2020" box="[632,748,945,971]" class="Polyplacophora" family="Chitonidae" genus="Lucilina" kingdom="Animalia" order="Chitonida" pageId="24" pageNumber="425" phylum="Mollusca" rank="species" species="confusa" status="sp. nov.">
|
||
<emphasis id="B90F703DFFAA3941FD94FC01FD1CDDC8" box="[632,748,945,971]" italics="true" pageId="24" pageNumber="425">L. confusa</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23CCD46FFAA3941FD1FFC02FCDFDDC8" box="[755,815,945,971]" pageId="24" pageNumber="425" rank="species">n. sp.</taxonomicNameLabel>
|
||
and
|
||
<taxonomicName id="4C7BD7ACFFAA3941FC88FC01FC03DDC8" authority="Dell’Angelo & Landau & Sosso & Taviani, 2020" authorityName="Dell’Angelo & Landau & Sosso & Taviani" authorityYear="2020" box="[868,1011,945,971]" class="Polyplacophora" family="Chitonidae" genus="Lucilina" kingdom="Animalia" order="Chitonida" pageId="24" pageNumber="425" phylum="Mollusca" rank="species" species="colantonii" status="sp. nov.">
|
||
<emphasis id="B90F703DFFAA3941FC88FC01FC03DDC8" box="[868,1011,945,971]" italics="true" pageId="24" pageNumber="425">L. colantonii</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23CCD46FFAA3941FC15FC02FBC7DDC8" box="[1017,1079,945,971]" pageId="24" pageNumber="425" rank="species">n. sp.</taxonomicNameLabel>
|
||
, from which it differs in numerous characters, summarised in
|
||
<tableCitation id="C6F99994FFAA3941FE03FC66FDC8DDEC" box="[495,568,981,1007]" captionStart="TABLE 2" captionStartId="18.[151,239,335,359]" captionText="TABLE 2. Type material of Lucilina confusa n. sp., from the type locality (St. 9)." pageId="24" pageNumber="425">Tab. 2</tableCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BC4AC2FFFAA3941FF2BFC4AFF0BDAE8" blockId="24.[151,1437,153,1332]" pageId="24" pageNumber="425">
|
||
Numerous intermediate valves of
|
||
<taxonomicName id="4C7BD7ACFFAA3941FDA1FC4AFCDEDA10" authority="Dell’Angelo & Landau & Sosso & Taviani, 2020" authorityName="Dell’Angelo & Landau & Sosso & Taviani" authorityYear="2020" box="[589,814,1017,1043]" class="Polyplacophora" family="Chitonidae" genus="Lucilina" kingdom="Animalia" order="Chitonida" pageId="24" pageNumber="425" phylum="Mollusca" rank="species" species="aegyptiaca" status="sp. nov.">
|
||
<emphasis id="B90F703DFFAA3941FDA1FC4AFCDEDA10" box="[589,814,1017,1043]" italics="true" pageId="24" pageNumber="425">Lucilina aegyptiaca</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A23CCD46FFAA3941FCD4FC4AFC86DA10" box="[824,886,1017,1043]" pageId="24" pageNumber="425" rank="species">n. sp.</taxonomicNameLabel>
|
||
are present in the extant material from the
|
||
<collectingRegion id="49BF62CDFFAA3941FA83FC4AFF4FDA34" country="Sudan" name="Al Bahr al Ahmar" pageId="24" pageNumber="425">Red Sea</collectingRegion>
|
||
expeditions (currently under study, unpublished), mixed in samples initially labeled as
|
||
<taxonomicName id="4C7BD7ACFFAA3941FB54FBADFAB9DA34" baseAuthorityName="Reeve" baseAuthorityYear="1847" box="[1208,1353,1054,1079]" class="Polyplacophora" family="Chitonidae" genus="Lucilina" kingdom="Animalia" order="Chitonida" pageId="24" pageNumber="425" phylum="Mollusca" rank="species" species="sueziensis">
|
||
<emphasis id="B90F703DFFAA3941FB54FBADFAB9DA34" box="[1208,1353,1054,1079]" italics="true" pageId="24" pageNumber="425">L. sueziensis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C7BD7ACFFAA3941FA6AFBADFF0FDA58" authorityName="Thiele" authorityYear="1909" class="Polyplacophora" family="Chitonidae" genus="Lucilina" kingdom="Animalia" order="Chitonida" pageId="24" pageNumber="425" phylum="Mollusca" rank="species" species="perligera">
|
||
<emphasis id="B90F703DFFAA3941FA6AFBADFF0FDA58" italics="true" pageId="24" pageNumber="425">L. perligera</emphasis>
|
||
</taxonomicName>
|
||
. One of these valves is illustrated for comparison (
|
||
<figureCitation id="1340B0AAFFAA3941FCD9FBF2FC74DA58" box="[821,900,1089,1115]" captionStart="FIGURE 14" captionStartId="23.[151,250,1284,1309]" captionTargetBox="[151,1436,181,1259]" captionTargetId="figure@23.[151,1436,181,1259]" captionTargetPageId="23" captionText="FIGURE 14. Lucilina aegyptiaca n. sp. A–H. Egypt, Hurghada (St. 13), Late Pleistocene (last interglacial MIS5e). A–D. Holotype, MZB 50546, intermediate valve, width 4 mm, dorsal view (A), detail of tegmentum surface of pleural area (B), ventral (C) and frontal (D) views. E–H. Paratype, MZB 50547, tail valve, width 3 mm, dorsal, ventral, lateral and posterior views. I–L. Present-day, Zabargad Island, st. 13/30, MZB 50548, intermediate valve, width 3.8 mm, dorsal view (I), detail of tegmentum surface of pleural area (J), of lateral areas (K) and frontal view (L). Scale bar: 100 µm (B, K)." figureDoi="http://doi.org/10.5281/zenodo.3819684" httpUri="https://zenodo.org/record/3819684/files/figure.png" pageId="24" pageNumber="425">Fig. 14</figureCitation>
|
||
I–L). No differences were observed between the extant and fossil valves. The extant valves are well preserved, and we can give some additional information, e.g. the irregular radial striae of lateral areas (
|
||
<figureCitation id="1340B0AAFFAA3941FD8FFB3AFD3ADAA0" box="[611,714,1161,1187]" captionStart="FIGURE 14" captionStartId="23.[151,250,1284,1309]" captionTargetBox="[151,1436,181,1259]" captionTargetId="figure@23.[151,1436,181,1259]" captionTargetPageId="23" captionText="FIGURE 14. Lucilina aegyptiaca n. sp. A–H. Egypt, Hurghada (St. 13), Late Pleistocene (last interglacial MIS5e). A–D. Holotype, MZB 50546, intermediate valve, width 4 mm, dorsal view (A), detail of tegmentum surface of pleural area (B), ventral (C) and frontal (D) views. E–H. Paratype, MZB 50547, tail valve, width 3 mm, dorsal, ventral, lateral and posterior views. I–L. Present-day, Zabargad Island, st. 13/30, MZB 50548, intermediate valve, width 3.8 mm, dorsal view (I), detail of tegmentum surface of pleural area (J), of lateral areas (K) and frontal view (L). Scale bar: 100 µm (B, K)." figureDoi="http://doi.org/10.5281/zenodo.3819684" httpUri="https://zenodo.org/record/3819684/files/figure.png" pageId="24" pageNumber="425">Fig. 14K</figureCitation>
|
||
), with granules oval/roundish, length up to
|
||
<quantity id="4C8301CAFFAA3941FB43FB3AFAF7DAA0" box="[1199,1287,1161,1187]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="24" pageNumber="425" unit="mm" value="100.0">100 µm</quantity>
|
||
, ocelli with a diameter of
|
||
<quantity id="4C8301CAFFAA3941FEF2FB1EFE64DAC4" box="[286,404,1197,1223]" metricMagnitude="-2" metricUnit="m" metricValue="4.6" metricValueMax="4.8" metricValueMin="4.4" pageId="24" pageNumber="425" unit="mm" value="46.0" valueMax="48.0" valueMin="44.0">44–48 µm</quantity>
|
||
. We can therefore confirm the presence of this species in the present-day chiton fauna of the
|
||
<collectingRegion id="49BF62CDFFAA3941FF7BFB62FF07DAE8" box="[151,247,1233,1259]" country="Sudan" name="Al Bahr al Ahmar" pageId="24" pageNumber="425">Red Sea</collectingRegion>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C361FFA4FFAA3941FF2BFB47FF15DB37" pageId="24" pageNumber="425" type="distribution">
|
||
<paragraph id="8BC4AC2FFFAA3941FF2BFB47FF15DB37" blockId="24.[151,1437,153,1332]" pageId="24" pageNumber="425">
|
||
<emphasis id="B90F703DFFAA3941FF2BFB47FE91DB0C" bold="true" box="[199,353,1268,1295]" pageId="24" pageNumber="425">Distribution.</emphasis>
|
||
Late Pleistocene:
|
||
<collectingCountry id="F36CECBFFFAA3941FDD7FB46FD8EDB0C" box="[571,638,1269,1295]" name="Egypt" pageId="24" pageNumber="425">Egypt</collectingCountry>
|
||
(Hurghada: this study). Present-day: Red Sea, Zabargad island (this study).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |