253 lines
30 KiB
XML
253 lines
30 KiB
XML
<document id="3C1867BE65D10FCCE7194A8EE1A2FC58" ID-CLB-Dataset="55979" ID-DOI="10.1093/zoolinnean/zlab073" ID-GBIF-Dataset="4b539d1c-1f33-425e-af28-52f3c029c89e" ID-ISSN="0024-4082" ID-Zenodo-Dep="6461085" ID-ZooBank="3FB3FBB8-4112-463A-ADEF-35CD427C8AF4" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1649833610467" checkinUser="plazi" docAuthor="Klinth, Mårten J., Rota, Emilia, Martinsson, Svante, Prantoni, Alessandro L. & Erséus, Christer" docDate="2022" docId="039DC377FFBBFFD84C3BFDF3FD2C5A35" docLanguage="en" docName="zlab073.pdf" docOrigin="Zoological Journal of the Linnean Society 194 (4)" docStyle="DocumentStyle:36B3BD6A90C22AB4F7F465C853188CC8.7:ZoolJLinnSoc.2017-2023.journal_article" docStyleId="36B3BD6A90C22AB4F7F465C853188CC8" docStyleName="ZoolJLinnSoc.2017-2023.journal_article" docStyleVersion="7" docTitle="Lumbricillus nivalis Klinth, Rota, Martinsson, Prantoni & Erséus, 2022, SP. NOV." docType="treatment" docVersion="5" lastPageNumber="1115" masterDocId="FFA4BB0FFFB0FFD44D21FFADFFFD5F1D" masterDocTitle="New insights into the systematics of Lumbricillus and Marionina (Clitellata: Enchytraeidae) inferred from Southern Hemisphere samples, including three new species" masterLastPageNumber="1133" masterPageNumber="1103" pageNumber="1114" updateTime="1699328825713" updateUser="ExternalLinkService">
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<mods:title id="163CFC4CBCF7823C6F3EAF3E2A5AE627">New insights into the systematics of Lumbricillus and Marionina (Clitellata: Enchytraeidae) inferred from Southern Hemisphere samples, including three new species</mods:title>
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<mods:roleTerm id="2F4E016F3FE78392F44C6FC5A6EE7EF6">Author</mods:roleTerm>
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<mods:namePart id="7331BF93C2DBB47D4E1E7DAC787644BA">Klinth, Mårten J.</mods:namePart>
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<mods:roleTerm id="8AEE4FCED230FE25C1DA4E272DDC7B1B">Author</mods:roleTerm>
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<mods:namePart id="EB363AC62F8B276427251D5A0F31A1D7">Rota, Emilia</mods:namePart>
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<mods:roleTerm id="F642C6839C5CB739E0AFC6D48B05C99C">Author</mods:roleTerm>
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<mods:namePart id="8266E53C5504B3E86E8146EC9EF61F2E">Martinsson, Svante</mods:namePart>
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</mods:name>
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<mods:namePart id="518BDD204F6BD125231B3350402D290B">Prantoni, Alessandro L.</mods:namePart>
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<mods:roleTerm id="704DC055A72A8653525DBE07684C3933">Author</mods:roleTerm>
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<mods:namePart id="1A517CA0BB898BDDB1BB5D25A8A8B560">Erséus, Christer</mods:namePart>
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<mods:title id="C1462CA28DD57020C68CA750FC4F056B">Zoological Journal of the Linnean Society</mods:title>
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<mods:part id="08CB2D325382AFE151E1B81F39B64E3A">
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<mods:date id="F6A92658B95A7517C2CE42DF1D6E0F4A">2022</mods:date>
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<mods:number id="0B2FA831F922B7D67BF99E8B9B714A7B">2021-09-24</mods:number>
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<mods:number id="8AABE40BD594A3BA618B62D033099FC3">194</mods:number>
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<mods:identifier id="AE28F0ED010242D86D525075742B5440" type="DOI">10.1093/zoolinnean/zlab073</mods:identifier>
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<treatment id="039DC377FFBBFFD84C3BFDF3FD2C5A35" ID-DOI="http://doi.org/10.5281/zenodo.6461097" ID-GBIF-Taxon="194598601" ID-Zenodo-Dep="6461097" LSID="urn:lsid:plazi:treatment:039DC377FFBBFFD84C3BFDF3FD2C5A35" httpUri="http://treatment.plazi.org/id/039DC377FFBBFFD84C3BFDF3FD2C5A35" lastPageId="12" lastPageNumber="1115" pageId="11" pageNumber="1114">
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<subSubSection id="C32E21EAFFBBFFDF4C3BFDF3FD945D88" pageId="11" pageNumber="1114" type="nomenclature">
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<paragraph id="8B8B7261FFBBFFDF4C3BFDF3FD695D6A" blockId="11.[282,660,606,692]" box="[282,660,606,631]" pageId="11" pageNumber="1114">
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<heading id="D0C3C50DFFBBFFDF4C3BFDF3FD695D6A" box="[282,660,606,631]" centered="true" fontSize="9" level="2" pageId="11" pageNumber="1114" reason="2">
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<taxonomicName id="4C3409E2FFBBFFDF4C3BFDF3FDD35D68" ID-CoL="8TG77" authorityName="Klinth & Rota & Martinsson & Prantoni & Erséus" authorityYear="2022" box="[282,558,606,629]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="11" pageNumber="1114" phylum="Annelida" rank="species" species="nivalis">
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<emphasis id="B940AE73FFBBFFDF4C3BFDF3FDD35D68" bold="true" box="[282,558,606,629]" italics="true" pageId="11" pageNumber="1114">LUMBRICILLUS NIVALIS</emphasis>
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</taxonomicName>
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KLINTH,
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</heading>
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</paragraph>
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<paragraph id="8B8B7261FFBBFFDF4C64FDD0FD945D88" blockId="11.[282,660,606,692]" box="[325,617,637,662]" pageId="11" pageNumber="1114">
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<heading id="D0C3C50DFFBBFFDF4C64FDD0FD945D88" box="[325,617,637,662]" centered="true" fontSize="9" level="2" pageId="11" pageNumber="1114" reason="2">
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ROTA & ERSÉUS
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<emphasis id="B940AE73FFBBFFDF4F27FD2DFD945D88" bold="true" box="[518,617,637,661]" pageId="11" pageNumber="1114">
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<taxonomicNameLabel id="A2731308FFBBFFDF4F27FD2DFD945D88" box="[518,617,637,661]" pageId="11" pageNumber="1114" rank="species">SP. NOV.</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="C32E21EAFFBBFFD84C8DFD36FD2C5A35" lastPageId="12" lastPageNumber="1115" pageId="11" pageNumber="1114" type="description">
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<paragraph id="8B8B7261FFBBFFDF4C8DFD36FDFC5DA9" blockId="11.[282,660,606,692]" box="[428,513,667,692]" pageId="11" pageNumber="1114">
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(
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<figureCitation id="130F6EE4FFBBFFDF4C94FD36FE045DA9" box="[437,505,667,692]" captionStart="Figure 5" captionStartId="11.[827,909,889,911]" captionTargetBox="[830,1438,198,846]" captionTargetId="figure-657@11.[827,1441,195,849]" captionTargetPageId="11" captionText="Figure 5. Lumbricillus nivalis, holotype. A, chaetal bundle. B, spermatheca. C, anterior part of body. D, genitalia. Abbreviations are defined under ‘Taxonomy’. Scale bars: 100 μm." figureDoi="http://doi.org/10.5281/zenodo.6461099" httpUri="https://zenodo.org/record/6461099/files/figure.png" pageId="11" pageNumber="1114">FIG. 5</figureCitation>
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)
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</paragraph>
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<paragraph id="8B8B7261FFBBFFDF4D82FD77FCFB5C13" blockId="11.[163,779,729,782]" pageId="11" pageNumber="1114">
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<emphasis id="B940AE73FFBBFFDF4D82FD77FE195DF2" box="[163,484,729,751]" italics="true" pageId="11" pageNumber="1114">Z o o b a n k r e g i s t r a t i o n</emphasis>
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: u r n: l s i d: z o o b a n k. org:act:
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<uuid id="FF9248B4FFBBFFDF4DCEFD55FCFB5C13" box="[239,774,760,782]" pageId="11" pageNumber="1114">D62E6765-ED4D-498D-A300-50D5232BDD14</uuid>
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</paragraph>
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<paragraph id="8B8B7261FFBBFFDF4D82FC9BFD595CF8" blockId="11.[163,778,822,998]" pageId="11" pageNumber="1114">
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<materialsCitation id="3B5C783CFFBBFFDF4D82FC9BFD595CF8" ID-GBIF-Occurrence="3751562312" accessionNumber="MZ393952" collectingDate="2015-01-15" collectionCode="SMNH, MZ" pageId="11" pageNumber="1114" specimenCode="CE34644" specimenCount="1" typeStatus="holotype">
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<emphasis id="B940AE73FFBBFFDF4D82FC9BFEF05C56" box="[163,269,822,843]" italics="true" pageId="11" pageNumber="1114">
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<typeStatus id="548FCCC3FFBBFFDF4D82FC9BFEFA5C56" box="[163,263,822,843]" pageId="11" pageNumber="1114" type="holotype">Holotype</typeStatus>
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:
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</emphasis>
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<collectionCode id="ED25EAA4FFBBFFDF4C3FFC9AFE905C51" box="[286,365,823,844]" country="Sweden" httpUri="http://grbio.org/cool/8z6v-f8is" name="Department of Paleozoology, Swedish Museum of Natural History" pageId="11" pageNumber="1114">SMNH</collectionCode>
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Type Coll. 9310 (
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<specimenCode id="DB92DA1AFFBBFFDF4F08FC9BFD695C51" box="[553,660,822,844]" collectionCode="CE" pageId="11" pageNumber="1114">CE34644</specimenCode>
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), a mature amputated specimen stained in Paracarmine and mounted on a slide. Leg. Karla Paresque,
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<date id="FF8A54A1FFBBFFDF4FA6FCD9FF225CB5" pageId="11" pageNumber="1114" value="2015-01-15">
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||
<collectingDate id="EFCEAD49FFBBFFDF4FA6FCD9FF225CB5" pageId="11" pageNumber="1114" value="2015-01-15">15 January 2015</collectingDate>
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</date>
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.
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<emphasis id="B940AE73FFBBFFDF4DCDFC3EFEE05CB5" box="[236,285,915,936]" italics="true" pageId="11" pageNumber="1114">COI</emphasis>
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||
barcode, GenBank
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||
<accessionNumber id="9467EF82FFBBFFDF4F2CFC3FFD705CB5" box="[525,653,914,936]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/MZ393952" pageId="11" pageNumber="1114">
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<collectionCode id="ED25EAA4FFBBFFDF4F2CFC3FFDC55CB5" box="[525,568,914,936]" country="0" name="Museum of the Earth, Polish Academy of Sciences" pageId="11" pageNumber="1114">MZ</collectionCode>
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393952
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</accessionNumber>
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; accession numbers for additional genetic data are given in
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<tableCitation id="C6B647DAFFBBFFDF4FEDFC1CFF4C5CF8" captionStart="Table 1" captionStartId="3.[144,208,419,441]" captionTargetPageId="3" captionText="Table 1. Specimens from the Southern Hemisphere used in this study, with specimen identification number, region of the collection site, GenBank accession numbers for the seven genetic markers, and voucher numbers (with museum acronym)" httpUri="http://table.plazi.org/id/DF4B22E9FFB3FFD74DB1FE0EFBE15ECA" pageId="11" pageNumber="1114" tableUuid="DF4B22E9FFB3FFD74DB1FE0EFBE15ECA">Table 1</tableCitation>
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and the Supporting Information (
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<tableCitation id="C6B647DAFFBBFFDF4F10FC7DFD695CF8" box="[561,660,976,998]" captionStart="Table 1" captionStartId="3.[144,208,419,441]" captionTargetPageId="3" captionText="Table 1. Specimens from the Southern Hemisphere used in this study, with specimen identification number, region of the collection site, GenBank accession numbers for the seven genetic markers, and voucher numbers (with museum acronym)" httpUri="http://table.plazi.org/id/DF4B22E9FFB3FFD74DB1FE0EFBE15ECA" pageId="11" pageNumber="1114" tableUuid="DF4B22E9FFB3FFD74DB1FE0EFBE15ECA">Table S1</tableCitation>
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).
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</materialsCitation>
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</paragraph>
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<caption id="DF4B22E9FFBBFFDF4E1AFCD4FBFA5CFA" ID-DOI="http://doi.org/10.5281/zenodo.6461099" ID-Zenodo-Dep="6461099" httpUri="https://zenodo.org/record/6461099/files/figure.png" pageId="11" pageNumber="1114" startId="11.[827,909,889,911]" targetBox="[830,1438,198,846]" targetPageId="11">
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<paragraph id="8B8B7261FFBBFFDF4E1AFCD4FBFA5CFA" blockId="11.[827,1443,889,999]" pageId="11" pageNumber="1114">
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<emphasis id="B940AE73FFBBFFDF4E1AFCD4FB4B5C92" bold="true" box="[827,1206,889,911]" pageId="11" pageNumber="1114">
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Figure 5.
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<taxonomicName id="4C3409E2FFBBFFDF4E96FCD4FB4B5C92" authorityName="Klinth & Rota & Martinsson & Prantoni & Erséus" authorityYear="2022" box="[951,1206,889,911]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="11" pageNumber="1114" phylum="Annelida" rank="species" species="nivalis">
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<emphasis id="B940AE73FFBBFFDF4E96FCD4FB4B5C92" bold="true" box="[951,1206,889,911]" italics="true" pageId="11" pageNumber="1114">Lumbricillus nivalis</emphasis>
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</taxonomicName>
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</emphasis>
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, holotype. A, chaetal bundle. B, spermatheca. C, anterior part of body. D, genitalia. Abbreviations are defined under ‘Taxonomy’. Scale bars: 100 μm.
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</paragraph>
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</caption>
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||
<paragraph id="8B8B7261FFBBFFDF4D82FBA2FE675B7C" blockId="11.[163,778,1038,1122]" pageId="11" pageNumber="1114">
|
||
<emphasis id="B940AE73FFBBFFDF4D82FBA2FEC05B3E" box="[163,317,1038,1060]" italics="true" pageId="11" pageNumber="1114">Type locality:</emphasis>
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||
<materialsCitation id="3B5C783CFFBBFFDF4C73FBA2FE6B5B7C" ID-GBIF-Occurrence="3751562313" country="Antarctica" latitude="-62.7753" location="Snow Island" longLatPrecision="5" longitude="-61.2858" municipality="South Shetland Islands" pageId="11" pageNumber="1114" specimenCount="1">
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||
<location id="8EEB24BAFFBBFFDF4C73FBA2FE185B39" LSID="urn:lsid:plazi:treatment:039DC377FFBBFFD84C3BFDF3FD2C5A35:8EEB24BAFFBBFFDF4C73FBA2FE185B39" box="[338,485,1038,1060]" country="Antarctica" latitude="-62.7753" longLatPrecision="5" longitude="-61.2858" municipality="South Shetland Islands" name="Snow Island" pageId="11" pageNumber="1114">Snow Island</location>
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,
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<collectingMunicipality id="6BEFE81BFFBBFFDF4CD0FBA3FCFB5B39" box="[497,774,1038,1060]" pageId="11" pageNumber="1114">South Shetland Islands</collectingMunicipality>
|
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,
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<collectingCountry id="F32332F1FFBBFFDF4D82FB80FED85B5E" box="[163,293,1069,1091]" name="Antarctica" pageId="11" pageNumber="1114">Antarctica</collectingCountry>
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, from algae on rocks in intertidal zone,
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<geoCoordinate id="EE0014A6FFBBFFDF4D82FBE1FEEE5B7C" box="[163,275,1100,1122]" degrees="62.7753" direction="south" orientation="latitude" pageId="11" pageNumber="1114" precision="5" value="-62.7753">62.7753 S</geoCoordinate>
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,
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<geoCoordinate id="EE0014A6FFBBFFDF4C3FFBE1FE6B5B7C" box="[286,406,1100,1122]" degrees="61.2858" direction="west" orientation="longitude" pageId="11" pageNumber="1114" precision="5" value="-61.2858">61.2858 W</geoCoordinate>
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</materialsCitation>
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||
.
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</paragraph>
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<paragraph id="8B8B7261FFBBFFDF4D82FB27FCFA5BA2" blockId="11.[163,779,1162,1215]" pageId="11" pageNumber="1114">
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<emphasis id="B940AE73FFBBFFDF4D82FB27FEDC5B82" box="[163,289,1162,1183]" italics="true" pageId="11" pageNumber="1114">Etymology:</emphasis>
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The Latin adjective
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<taxonomicName id="4C3409E2FFBBFFDF4F3BFB27FD955B82" authorityName="Klinth & Rota & Martinsson & Prantoni & Erséus" authorityYear="2022" box="[538,616,1162,1183]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="11" pageNumber="1114" phylum="Annelida" rank="species" species="nivalis">
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<emphasis id="B940AE73FFBBFFDF4F3BFB27FD955B82" box="[538,616,1162,1183]" italics="true" pageId="11" pageNumber="1114">nivalis</emphasis>
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</taxonomicName>
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means snowy, alluding to the name of the
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<typeStatus id="548FCCC3FFBBFFDF4CFFFB07FDF25BA2" box="[478,527,1194,1215]" pageId="11" pageNumber="1114">type</typeStatus>
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locality, Snow Island.
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</paragraph>
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<paragraph id="8B8B7261FFBBFFDF4D82FB45FE015970" blockId="11.[163,779,1256,1646]" pageId="11" pageNumber="1114">
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<emphasis id="B940AE73FFBBFFDF4D82FB45FED95BE0" box="[163,292,1256,1277]" italics="true" pageId="11" pageNumber="1114">Diagnosis:</emphasis>
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This species, now differentiated by a unique
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<emphasis id="B940AE73FFBBFFDF4DDFFAAAFED35A01" box="[254,302,1287,1308]" italics="true" pageId="11" pageNumber="1114">COI</emphasis>
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||
barcode, is a member of the
|
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<taxonomicName id="4C3409E2FFBBFFDF4FAAFAAAFCF75A06" authorityName="Muller" authorityYear="1774" box="[651,778,1286,1308]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="11" pageNumber="1114" phylum="Annelida" rank="species" species="lineatus">
|
||
<emphasis id="B940AE73FFBBFFDF4FAAFAAAFCF75A06" box="[651,778,1286,1308]" italics="true" pageId="11" pageNumber="1114">L. lineatus</emphasis>
|
||
</taxonomicName>
|
||
group, meaning that it has testis sacs forming clubshaped lobes arranged in a fan shape and spindleshaped spermathecae. It can be distinguished from other
|
||
<taxonomicName id="4C3409E2FFBBFFDF4DC5FA2FFEA65A8B" authorityName="Muller" authorityYear="1774" box="[228,347,1409,1431]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="11" pageNumber="1114" phylum="Annelida" rank="species" species="lineatus">
|
||
<emphasis id="B940AE73FFBBFFDF4DC5FA2FFEA65A8B" box="[228,347,1409,1431]" italics="true" pageId="11" pageNumber="1114">L. lineatus</emphasis>
|
||
</taxonomicName>
|
||
group members by: (1) its short sperm funnels, 1.5–2.0 times longer than wide; (2) vasa deferentia extending posterior to XII; (3) spermathecae with short ectal duct, rapidly widening into ampulla, with ampulla widest ectally, gradually tapering towards ental duct, which connects to oesophagus; and (4) clitellum ventrally absent in XII but present ventrally in (first half of) XIII.
|
||
</paragraph>
|
||
<paragraph id="8B8B7261FFBBFFDF4D82F93AFC035BF9" blockId="11.[163,780,1686,1892]" lastBlockId="11.[827,1443,1077,1897]" pageId="11" pageNumber="1114">
|
||
<emphasis id="B940AE73FFBBFFDF4D82F93AFED659B1" box="[163,299,1687,1708]" italics="true" pageId="11" pageNumber="1114">Description:</emphasis>
|
||
Length of first 25 segments
|
||
<quantity id="4CCCDF84FFBBFFDF4F5FF93BFD4359B1" box="[638,702,1686,1708]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="11" pageNumber="1114" unit="mm" value="6.0">6 mm</quantity>
|
||
(fixed, amputated specimen); first 15 segments
|
||
<quantity id="4CCCDF84FFBBFFDF4F56F918FD3059D6" box="[631,717,1717,1739]" metricMagnitude="-3" metricUnit="m" metricValue="3.7" pageId="11" pageNumber="1114" unit="mm" value="3.7">3.7 mm</quantity>
|
||
long; width at clitellum
|
||
<quantity id="4CCCDF84FFBBFFDF4CA9F979FE0959F4" box="[392,500,1748,1770]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="11" pageNumber="1114" unit="mm" value="0.5">0.50 mm</quantity>
|
||
. Chaetae sigmoid (
|
||
<figureCitation id="130F6EE4FFBBFFDF4FFFF979FF3E5815" captionStart="Figure 5" captionStartId="11.[827,909,889,911]" captionTargetBox="[830,1438,198,846]" captionTargetId="figure-657@11.[827,1441,195,849]" captionTargetPageId="11" captionText="Figure 5. Lumbricillus nivalis, holotype. A, chaetal bundle. B, spermatheca. C, anterior part of body. D, genitalia. Abbreviations are defined under ‘Taxonomy’. Scale bars: 100 μm." figureDoi="http://doi.org/10.5281/zenodo.6461099" httpUri="https://zenodo.org/record/6461099/files/figure.png" pageId="11" pageNumber="1114">Fig. 5A</figureCitation>
|
||
). Upper bundles dorsolateral (higher than the lateral line but closer to it than the ventral bundles), with three to five chaetae anterior and posterior of clitellum, at least to XXV. Ventral bundles with (three) four to six throughout to XXV. The longest measured chaetae 60 µm long, ~3–5 µm wide. Epidermis loosely covered with rows of pale gland cells. Clitellum with reticulate pattern of gland cells, extending over XII–1/2XIII, interrupted ventrally in XII but present ventrally in XIII.
|
||
</paragraph>
|
||
<paragraph id="8B8B7261FFBBFFDF4E72FB40FB355948" blockId="11.[827,1443,1077,1897]" pageId="11" pageNumber="1114">
|
||
Coelomocytes numerous, ~10–15 µm long; round, oval or spindle shaped; granulated with distinct nucleus. Paired pharyngeal glands (
|
||
<figureCitation id="130F6EE4FFBBFFDF49C4FA86FAC45A5C" box="[1253,1337,1323,1345]" captionStart="Figure 5" captionStartId="11.[827,909,889,911]" captionTargetBox="[830,1438,198,846]" captionTargetId="figure-657@11.[827,1441,195,849]" captionTargetPageId="11" captionText="Figure 5. Lumbricillus nivalis, holotype. A, chaetal bundle. B, spermatheca. C, anterior part of body. D, genitalia. Abbreviations are defined under ‘Taxonomy’. Scale bars: 100 μm." figureDoi="http://doi.org/10.5281/zenodo.6461099" httpUri="https://zenodo.org/record/6461099/files/figure.png" pageId="11" pageNumber="1114">Fig. 5C</figureCitation>
|
||
) in IV, V and VI; first two pairs narrowly connected dorsally, a trait not discernible in third pair owing to damaged specimen; ventral lobes elongated, possibly attributable to fixation. Dorsal vessel seemingly originating in XIII, with peristomial bifurcation. Nephridia ~130– 150 µm long, observed in 7/8, 8/9 and postclitellar segments. Anteseptale small, consisting of funnel only. Postseptale oval, tapering into posteroventral efferent duct. Brain with posterior incision.
|
||
</paragraph>
|
||
<paragraph id="8B8B7261FFBBFFDF4E72F9F0FB9F5874" blockId="11.[827,1443,1077,1897]" pageId="11" pageNumber="1114">
|
||
Male genitalia paired (
|
||
<figureCitation id="130F6EE4FFBBFFDF4943F9F0FB45596E" box="[1122,1208,1629,1651]" captionStart="Figure 5" captionStartId="11.[827,909,889,911]" captionTargetBox="[830,1438,198,846]" captionTargetId="figure-657@11.[827,1441,195,849]" captionTargetPageId="11" captionText="Figure 5. Lumbricillus nivalis, holotype. A, chaetal bundle. B, spermatheca. C, anterior part of body. D, genitalia. Abbreviations are defined under ‘Taxonomy’. Scale bars: 100 μm." figureDoi="http://doi.org/10.5281/zenodo.6461099" httpUri="https://zenodo.org/record/6461099/files/figure.png" pageId="11" pageNumber="1114">Fig. 5D</figureCitation>
|
||
). Testes originating in anterior of XI, with testis sacs forming regular club-shaped lobes extending forwards into IX. Sperm funnels in XI, 240 µm long, 140 µm wide, making them 1.5–2.0 times longer than wide; funnels tapering towards vasa deferentia. Vasa deferentia irregularly coiled in XII–XIII, possibly reaching XIV, 15 µm wide. Penial bulbs round, 85 µm in diameter. Ovaries in XII. No mature eggs observed.
|
||
</paragraph>
|
||
<paragraph id="8B8B7261FFBCFFD84D88FF68FD8B5D13" blockId="12.[145,761,197,526]" pageId="12" pageNumber="1115">
|
||
Spermathecae (
|
||
<figureCitation id="130F6EE4FFBCFFD84C7AFF68FE565FC6" box="[347,427,197,219]" captionStart="Figure 5" captionStartId="11.[827,909,889,911]" captionTargetBox="[830,1438,198,846]" captionTargetId="figure-657@11.[827,1441,195,849]" captionTargetPageId="11" captionText="Figure 5. Lumbricillus nivalis, holotype. A, chaetal bundle. B, spermatheca. C, anterior part of body. D, genitalia. Abbreviations are defined under ‘Taxonomy’. Scale bars: 100 μm." figureDoi="http://doi.org/10.5281/zenodo.6461099" httpUri="https://zenodo.org/record/6461099/files/figure.png" pageId="12" pageNumber="1115">Fig. 5B</figureCitation>
|
||
) in V, pear or spindle shaped, with short ectal duct covered in musculature and rapidly widening into ampulla. Ampulla widest ectally and gradually tapering towards ental duct, which connects to oesophagus. Sperm in lumen of ectal part of ampulla; heads of spermatozoa embedded in wall of ampulla. Spermathecae 255 µm long, 20 µm wide at the ectal duct, expanding to 80 µm at widest part of ampulla. Gland cells surrounding ectal duct as a compact mass, 100 µm in diameter at its widest part. No midventral subneural glands observed.
|
||
</paragraph>
|
||
<paragraph id="8B8B7261FFBCFFD84DB0FD9BFE735D76" blockId="12.[145,760,566,619]" pageId="12" pageNumber="1115">
|
||
<emphasis id="B940AE73FFBCFFD84DB0FD9BFE325D56" box="[145,463,566,587]" italics="true" pageId="12" pageNumber="1115">Geographical distribution:</emphasis>
|
||
Known from the South
|
||
<collectingRegion id="49F0BC83FFBCFFD84DB0FDF8FEAE5D76" box="[145,339,597,619]" country="United Kingdom" name="Shetland Islands" pageId="12" pageNumber="1115">Shetland Islands</collectingRegion>
|
||
only.
|
||
</paragraph>
|
||
<paragraph id="8B8B7261FFBCFFD84DB0FD00FD2C5A35" blockId="12.[145,761,685,1320]" pageId="12" pageNumber="1115">
|
||
<emphasis id="B940AE73FFBCFFD84DB0FD00FEFB5DDF" box="[145,262,685,706]" italics="true" pageId="12" pageNumber="1115">Remarks:</emphasis>
|
||
Genetically and morphologically, this species is most closely related to the specimens we identified as
|
||
<taxonomicName id="4C3409E2FFBCFFD84C19FD46FE1B5C1D" authorityName="Stephenson" authorityYear="1932" box="[312,486,747,768]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="12" pageNumber="1115" phylum="Annelida" rank="species" species="antarcticus">
|
||
<emphasis id="B940AE73FFBCFFD84C19FD46FE1B5C1D" box="[312,486,747,768]" italics="true" pageId="12" pageNumber="1115">L. antarcticus</emphasis>
|
||
</taxonomicName>
|
||
, which were found at the same locality on Snow Island. As such, this new species can be separated from other members of the
|
||
<taxonomicName id="4C3409E2FFBCFFD84DB0FCEAFEEE5C46" authorityName="Muller" authorityYear="1774" box="[145,275,838,860]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="12" pageNumber="1115" phylum="Annelida" rank="species" species="lineatus">
|
||
<emphasis id="B940AE73FFBCFFD84DB0FCEAFEEE5C46" box="[145,275,838,860]" italics="true" pageId="12" pageNumber="1115">L. lineatus</emphasis>
|
||
</taxonomicName>
|
||
group in the same way as described in the remarks for
|
||
<taxonomicName id="4C3409E2FFBCFFD84C6AFCCBFE145C66" authorityName="Stephenson" authorityYear="1932" box="[331,489,870,891]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="12" pageNumber="1115" phylum="Annelida" rank="species" species="antarcticus">
|
||
<emphasis id="B940AE73FFBCFFD84C6AFCCBFE145C66" box="[331,489,870,891]" italics="true" pageId="12" pageNumber="1115">L. antarcticus</emphasis>
|
||
</taxonomicName>
|
||
above, where primarily the short sperm funnels help to distinguish this species from many somewhat similar
|
||
<taxonomicName id="4C3409E2FFBCFFD84F7CFC0FFF1C5CCA" pageId="12" pageNumber="1115">
|
||
<emphasis id="B940AE73FFBCFFD84F7CFC0FFD045CAA" box="[605,761,930,951]" italics="true" pageId="12" pageNumber="1115">Lumbricillus</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
from the Subantarctic. Owing to their likeness, we had to consider which of our two species was the true
|
||
<taxonomicName id="4C3409E2FFBCFFD84DE8FC52FE975B09" authorityName="Stephenson" authorityYear="1932" box="[201,362,1023,1044]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="12" pageNumber="1115" phylum="Annelida" rank="species" species="antarcticus">
|
||
<emphasis id="B940AE73FFBCFFD84DE8FC52FE975B09" box="[201,362,1023,1044]" italics="true" pageId="12" pageNumber="1115">L. antarcticus</emphasis>
|
||
</taxonomicName>
|
||
. The clitellum is saddle-shaped in
|
||
<taxonomicName id="4C3409E2FFBCFFD84DB0FBB3FED35B2E" authorityName="Stephenson" authorityYear="1932" box="[145,302,1054,1075]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="12" pageNumber="1115" phylum="Annelida" rank="species" species="antarcticus">
|
||
<emphasis id="B940AE73FFBCFFD84DB0FBB3FED35B2E" box="[145,302,1054,1075]" italics="true" pageId="12" pageNumber="1115">L. antarcticus</emphasis>
|
||
</taxonomicName>
|
||
, but in our single specimen of
|
||
<taxonomicName id="4C3409E2FFBCFFD84FACFBB3FD045B2F" authorityName="Klinth & Rota & Martinsson & Prantoni & Erséus" authorityYear="2022" box="[653,761,1053,1075]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="12" pageNumber="1115" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B940AE73FFBCFFD84FACFBB3FD045B2F" box="[653,761,1053,1075]" italics="true" pageId="12" pageNumber="1115">L. nivalis</emphasis>
|
||
</taxonomicName>
|
||
it is also present ventrally in the anterior of XIII. Moreover,
|
||
<taxonomicName id="4C3409E2FFBCFFD84C27FBF6FE8D5B72" authorityName="Klinth & Rota & Martinsson & Prantoni & Erséus" authorityYear="2022" box="[262,368,1114,1136]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="12" pageNumber="1115" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B940AE73FFBCFFD84C27FBF6FE8D5B72" box="[262,368,1114,1136]" italics="true" pageId="12" pageNumber="1115">L. nivalis</emphasis>
|
||
</taxonomicName>
|
||
has smaller penial bulbs and lacks subneural glands (possibly attributed to it not being fully mature; no mature eggs were observed). Finally,
|
||
<taxonomicName id="4C3409E2FFBCFFD84DB0FB1AFEF85BD6" authorityName="Klinth & Rota & Martinsson & Prantoni & Erséus" authorityYear="2022" box="[145,261,1206,1228]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="12" pageNumber="1115" phylum="Annelida" rank="species" species="nivalis">
|
||
<emphasis id="B940AE73FFBCFFD84DB0FB1AFEF85BD6" box="[145,261,1206,1228]" italics="true" pageId="12" pageNumber="1115">L. nivalis</emphasis>
|
||
</taxonomicName>
|
||
can be separated by its vasa deferentia extending all the way back to segment XIII or possibly XIV, whereas the vasa are consistently confined to XII in our and Stephenson’s material of
|
||
<taxonomicName id="4C3409E2FFBCFFD84F0CFABEFD375A35" authorityName="Stephenson" authorityYear="1932" box="[557,714,1299,1320]" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" kingdom="Animalia" order="Enchytraeida" pageId="12" pageNumber="1115" phylum="Annelida" rank="species" species="antarcticus">
|
||
<emphasis id="B940AE73FFBCFFD84F0CFABEFD375A35" box="[557,714,1299,1320]" italics="true" pageId="12" pageNumber="1115">L. antarcticus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |