247 lines
41 KiB
XML
247 lines
41 KiB
XML
<document id="6CBAF80694EA489B3C25E776C1F8EE25" ID-CLB-Dataset="45432" ID-DOI="10.5281/zenodo.210008" ID-GBIF-Dataset="2e21fc45-92e1-4c04-b240-8f726a8408c7" ID-ISSN="1175-5326" ID-Zenodo-Dep="210008" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460440014542" checkinUser="plazi" docAuthor="Fend, Steven V. & Lenat, David R." docDate="2012" docId="BC6B87A2FFD17631FF5BF9F82BD8FE3E" docLanguage="en" docName="zt03194p067.pdf" docOrigin="Zootaxa 3194" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Eclipidrilus microthecus Fend & Lenat, 2012, n. sp." docType="treatment" docVersion="10" lastPageNumber="60" masterDocId="4052FFDAFFD47638FFCCFFD2295CFFCC" masterDocTitle="New Eclipidrilus species (Annelida, Clitellata, Lumbriculidae) from southeastern North America" masterLastPageNumber="67" masterPageNumber="51" pageNumber="56" updateTime="1698332777670" updateUser="ExternalLinkService">
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<mods:titleInfo id="B695F73468EEBA96CB37A12B4145C54E">
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<mods:title id="A1DA8EF8F46E0B42F62E5CBB93894111">New Eclipidrilus species (Annelida, Clitellata, Lumbriculidae) from southeastern North America</mods:title>
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</mods:titleInfo>
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<mods:name id="6560F482EDF6194E104368F4D97D0F40" type="personal">
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<mods:roleTerm id="B3AFEC4F50E593354AC4816E8B48C9A3">Author</mods:roleTerm>
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<mods:namePart id="54CCC24E73F6589A600881292169CDFB">Fend, Steven V.</mods:namePart>
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</mods:name>
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<mods:name id="5971D2702CB3968214ECE204A121E7C8" type="personal">
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<mods:role id="AC2D3867DA1355EEBE7A6F50C52178E2">
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<mods:roleTerm id="C9343B605BCFF218BE64BC597AFD00EF">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="54F4C654728B4CD74B2CA15B1C64AE69">Lenat, David R.</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="8841E9AF12663E541B226633BE1360B3">text</mods:typeOfResource>
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<mods:title id="29C0884EED47A011FB7D6570CB477D1B">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="5B4C9D85ABF0AD7A8160F73F339181D3">
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<mods:date id="919C39389B8A287176731CDCE6CBED87">2012</mods:date>
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<mods:detail id="6BEA373D460B620BAAEEEB10180C65F6" type="volume">
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<mods:number id="36F3F269F3B86FB63BBEF816FFC07507">3194</mods:number>
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<mods:classification id="D338E74EF104216F03CCE93888296059">journal article</mods:classification>
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<mods:identifier id="7CDE32F5D18DFF56872E3292D0CD58D9" type="CLB-Dataset">45432</mods:identifier>
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<mods:identifier id="15B2BBBAA0937041201A84052222B9C2" type="DOI">10.5281/zenodo.210008</mods:identifier>
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<mods:identifier id="7A2562282C0AF548F6D709361E740BB6" type="GBIF-Dataset">2e21fc45-92e1-4c04-b240-8f726a8408c7</mods:identifier>
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<mods:identifier id="B3C56EB6D21C5F01C3D751B74E51307A" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="2BC64A742522D69B226C81CD4ABE8C07" type="Zenodo-Dep">210008</mods:identifier>
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<treatment id="BC6B87A2FFD17631FF5BF9F82BD8FE3E" ID-DOI="http://doi.org/10.5281/zenodo.6165718" ID-GBIF-Taxon="119507777" ID-Zenodo-Dep="6165718" LSID="urn:lsid:plazi:treatment:BC6B87A2FFD17631FF5BF9F82BD8FE3E" httpUri="http://treatment.plazi.org/id/BC6B87A2FFD17631FF5BF9F82BD8FE3E" lastPageId="9" lastPageNumber="60" pageId="5" pageNumber="56">
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<subSubSection id="7CD8653FFFD1763DFF5BF9F82872F9AA" pageId="5" pageNumber="56" type="nomenclature">
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<paragraph id="347D36B4FFD1763DFF5BF9F828A4F98F" blockId="5.[151,504,1578,1638]" box="[151,504,1578,1603]" pageId="5" pageNumber="56">
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<heading id="6F3581D8FFD1763DFF5BF9F828A4F98F" bold="true" box="[151,504,1578,1603]" fontSize="10" level="2" pageId="5" pageNumber="56" reason="2">
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||
<emphasis id="06B6EAA6FFD1763DFF5BF9F828A4F98F" bold="true" box="[151,504,1578,1603]" pageId="5" pageNumber="56">
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<taxonomicName id="F3C24D37FFD1763DFF5BF9F828EFF98F" box="[151,435,1578,1603]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="5" pageNumber="56" phylum="Annelida" rank="species" species="microthecus" status="sp. nov.">
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<emphasis id="06B6EAA6FFD1763DFF5BF9F828EFF98F" bold="true" box="[151,435,1578,1603]" italics="true" pageId="5" pageNumber="56">Eclipidrilus microthecus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="1D8557DDFFD1763DFE76F9F928A4F98F" box="[442,504,1579,1603]" pageId="5" pageNumber="56" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="347D36B4FFD1763DFF5BF99C2872F9AA" blockId="5.[151,504,1578,1638]" box="[151,302,1614,1638]" pageId="5" pageNumber="56">
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(
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<figureCitation id="ACF92A31FFD1763DFF52F99C287BF9AA" box="[158,295,1614,1638]" captionStart-0="FIGURE 3" captionStart-1="FIGURE 4" captionStartId-0="7.[151,250,1799,1822]" captionStartId-1="8.[151,250,1744,1767]" captionTargetBox-0="[154,1431,214,1770]" captionTargetBox-1="[151,1436,209,1722]" captionTargetId-0="figure@7.[151,1436,119,1778]" captionTargetId-1="figure@8.[151,1436,193,1723]" captionTargetPageId-0="7" captionTargetPageId-1="8" captionText-0="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." captionText-1="FIGURE 4. Eclipidrilus microthecus (G, specimen from Pettiford Creek, whole mount; all others from tributary to Naked Creek, A from a whole mount, others from sections). A – C, ectal part of spermathecal duct and vestibule: B shows the outer vestibule; C shows the ental part of the vestibule, with muscular ring. D, spermatheca. E, atrial duct and base of ampulla. F, sagittal section of atrial ampulla, with ental end and “ prostate ” to the right. G, atrial ampulla as seen in whole mount. H, transverse section of atrial ampulla, showing muscle layers and narrow lumen. I, ectal end of atrial duct and penial structure with (faint) penis. Scale bars: 100 μm." httpUri-0="https://zenodo.org/record/210011/files/figure.png" httpUri-1="https://zenodo.org/record/210012/files/figure.png" pageId="5" pageNumber="56">Figures 3–4</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="7CD8653FFFD1763DFF5BF9452B4CF8F1" pageId="5" pageNumber="56" type="materials_examined">
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<paragraph id="347D36B4FFD1763DFF5BF9452D5AF962" blockId="5.[151,1436,1686,2032]" box="[151,1030,1686,1711]" pageId="5" pageNumber="56">
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<emphasis id="06B6EAA6FFD1763DFF5BF9452851F963" bold="true" box="[151,269,1687,1711]" pageId="5" pageNumber="56">
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<typeStatus id="EB798816FFD1763DFF5BF9452854F963" box="[151,264,1687,1711]" pageId="5" pageNumber="56" type="holotype">Holotype</typeStatus>
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:
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</emphasis>
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<collectionCode id="52D3AE71FFD1763DFED8F9442839F962" LSID="urn:lsid:biocol.org:col:34871" box="[276,357,1686,1710]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="5" pageNumber="56">USNM</collectionCode>
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1156960. A whole, slide-mounted worm in
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<collectingCountry id="4CD57624FFD1763DFC98F9442AF4F962" box="[852,936,1686,1710]" name="Canada" pageId="5" pageNumber="56">Canada</collectingCountry>
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balsam.
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</paragraph>
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<paragraph id="347D36B4FFD1763DFF05F9692A2EF93A" blockId="5.[151,1436,1686,2032]" pageId="5" pageNumber="56">
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<emphasis id="06B6EAA6FFD1763DFF05F9692833F91F" bold="true" box="[201,367,1722,1747]" pageId="5" pageNumber="56">
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<typeStatus id="EB798816FFD1763DFF05F9692858F91F" box="[201,260,1723,1747]" pageId="5" pageNumber="56">Type</typeStatus>
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locality:
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</emphasis>
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North Carolina, Richmond Co., unnamed tributary to Naked Creek at Forest Service road upstream of SR 1003,
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<date id="407C1074FFD1763DFE5EF90C28F2F93A" box="[402,430,1758,1782]" pageId="5" pageNumber="56" value="2009-01-28">28</date>
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January 2009. Collected by D.R. Lenat.
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</paragraph>
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<paragraph id="347D36B4FFD1763DFF05F8D02B4CF8F1" blockId="5.[151,1436,1686,2032]" pageId="5" pageNumber="56">
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<emphasis id="06B6EAA6FFD1763DFF05F8D02816F8D6" bold="true" box="[201,330,1794,1818]" pageId="5" pageNumber="56">
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<typeStatus id="EB798816FFD1763DFF05F8D02819F8D6" box="[201,325,1794,1818]" pageId="5" pageNumber="56" type="paratype">Paratypes</typeStatus>
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:
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</emphasis>
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From the
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<typeStatus id="EB798816FFD1763DFE02F8D028A2F8D6" box="[462,510,1794,1818]" pageId="5" pageNumber="56">type</typeStatus>
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locality.
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<collectionCode id="52D3AE71FFD1763DFDBCF8D32B9DF8D5" LSID="urn:lsid:biocol.org:col:34871" box="[624,705,1793,1817]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="5" pageNumber="56">USNM</collectionCode>
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1156961-63:
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<date id="407C1074FFD1763DFCA4F8D32D7DF8D5" box="[872,1057,1793,1817]" pageId="5" pageNumber="56" value="2010-03-10">10 March 2010</date>
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, 1 sagittally sectioned, 2 whole mounts. Collected by D.R. Lenat.
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</paragraph>
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</subSubSection>
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<subSubSection id="7CD8653FFFD1763DFF05F8982C4BF8AD" box="[201,1303,1865,1890]" pageId="5" pageNumber="56" type="etymology">
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<paragraph id="347D36B4FFD1763DFF05F8982C4BF8AD" blockId="5.[151,1436,1686,2032]" box="[201,1303,1865,1890]" pageId="5" pageNumber="56">
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<emphasis id="06B6EAA6FFD1763DFF05F898280FF8AE" bold="true" box="[201,339,1866,1890]" pageId="5" pageNumber="56">Etymology:</emphasis>
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Named for the unusually small spermathecae, compared to other
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<taxonomicName id="F3C24D37FFD1763DFBF8F89B2DE4F8AD" box="[1076,1208,1865,1889]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="5" pageNumber="56" phylum="Annelida" rank="genus">
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<emphasis id="06B6EAA6FFD1763DFBF8F89B2DE4F8AD" box="[1076,1208,1865,1889]" italics="true" pageId="5" pageNumber="56">Eclipidrilus</emphasis>
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</taxonomicName>
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species.
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</paragraph>
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</subSubSection>
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<subSubSection id="7CD8653FFFD1763EFF05F8BE2D93FF1F" lastPageId="6" lastPageNumber="57" pageId="5" pageNumber="56" type="materials_examined">
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<paragraph id="347D36B4FFD1763EFF05F8BE2D93FF1F" blockId="5.[151,1436,1686,2032]" lastBlockId="6.[151,1437,151,1998]" lastPageId="6" lastPageNumber="57" pageId="5" pageNumber="56">
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<emphasis id="06B6EAA6FFD1763DFF05F8BE28DBF849" bold="true" box="[201,391,1900,1925]" pageId="5" pageNumber="56">Other material:</emphasis>
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North Carolina, Carteret Co., Pettiford Creek,
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<date id="407C1074FFD1763DFC6DF8BF2D3DF849" box="[929,1121,1901,1926]" pageId="5" pageNumber="56" value="2010-01-19">19 January 2010</date>
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, 1 whole mount. Hoke Co., Flat Creek at Manchester Road,
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<date id="407C1074FFD1763DFDC4F8422B88F864" box="[520,724,1936,1960]" pageId="5" pageNumber="56" value="2009-02-12">12 February 2009</date>
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, 1 whole mount.
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<date id="407C1074FFD1763DFC56F8422D12F864" box="[922,1102,1936,1960]" pageId="5" pageNumber="56" value="2009-10-08">8 October 2009</date>
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, 1 whole mount.
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<date id="407C1074FFD1763DFAD8F842298EF800" pageId="5" pageNumber="56" value="2010-02-11">11 February 2010</date>
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, 1 whole mount.
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<date id="407C1074FFD1763DFE5EF8662B00F800" box="[402,604,1972,1996]" pageId="5" pageNumber="56" value="2010-02-18">18 February 2010</date>
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, 2 whole mounts.
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<date id="407C1074FFD1763DFCE5F8662A94F800" box="[809,968,1972,1996]" pageId="5" pageNumber="56" value="2010-03-06">6 March 2010</date>
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, 1 whole mount.
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<date id="407C1074FFD1763DFB46F8662C6BF800" box="[1162,1335,1972,1996]" pageId="5" pageNumber="56" value="2010-03-25">25 March 2010</date>
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, 3 whole mounts.
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<date id="407C1074FFD1763DFF34F80A28E5F83C" box="[248,441,2008,2032]" pageId="5" pageNumber="56" value="2010-09-22">22 September 10</date>
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, 1 whole mount.
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<date id="407C1074FFD1763DFDB1F80A2A73F83C" box="[637,815,2008,2032]" pageId="5" pageNumber="56" value="2010-10-05">5 October 2010</date>
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, 4 whole mounts. Richmond Co., unnamed tributary to Naked Creek at Forest Service road upstream of SR 1003,
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<date id="407C1074FFD2763EFCE9FF452A1DFF63" box="[805,833,151,175]" pageId="6" pageNumber="57" value="2009-01-28">28</date>
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January 2009, 1 whole mount.
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<date id="407C1074FFD2763EFB6CFF452C12FF63" box="[1184,1358,151,175]" pageId="6" pageNumber="57" value="2010-03-10">10 March 2010</date>
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, 1 sagittally sectioned, 2 whole mounts.
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<date id="407C1074FFD2763EFDD4FF692B9AFF1F" box="[536,710,187,211]" pageId="6" pageNumber="57" value="2010-03-18">18 March 2010</date>
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, 2 whole mounts. All collected by D.R. Lenat.
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</paragraph>
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</subSubSection>
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<subSubSection id="7CD8653FFFD2763EFF0BFF0D2DD1F802" pageId="6" pageNumber="57" type="description">
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<paragraph id="347D36B4FFD2763EFF0BFF0D2853FE3D" blockId="6.[151,1437,151,1998]" pageId="6" pageNumber="57">
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<emphasis id="06B6EAA6FFD2763EFF0BFF0D2805FF34" bold="true" box="[199,345,223,248]" pageId="6" pageNumber="57">Description.</emphasis>
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Small, thin worms, length (preserved) 7.7–9.5 mm, 48–64 segments; width 0.20–0.30 mm in X, maximum width 0.24–0.3 mm. Segmentation usually obscured in clitellum, weakly expressed in some post-clitellar segments; secondary segmentation sometimes weak, a narrow anterior ring from about VI–X (
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<figureCitation id="ACF92A31FFD2763EFB2DFEF52C7FFEF3" box="[1249,1315,295,319]" captionStart="FIGURE 3" captionStartId="7.[151,250,1799,1822]" captionTargetBox="[154,1431,214,1770]" captionTargetId="figure@7.[151,1436,119,1778]" captionTargetPageId="7" captionText="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="6" pageNumber="57">Fig. 3</figureCitation>
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A–B). Clitellum X–XII. Chaetae sigmoid, simple-pointed, with nodulus 35–40 % of chaeta length from tip (
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<figureCitation id="ACF92A31FFD2763EFADDFE982C0AFEAE" box="[1297,1366,330,354]" captionStart="FIGURE 3" captionStartId="7.[151,250,1799,1822]" captionTargetBox="[154,1431,214,1770]" captionTargetId="figure@7.[151,1436,119,1778]" captionTargetPageId="7" captionText="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="6" pageNumber="57">Fig. 3</figureCitation>
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C–D). Chaeta length 58–84 μm in mid-body; 55–80 μm in posterior segments; proportions similar in anterior and posterior segments. Dorsal and ventral chaetae approximately equal in length; within each bundle, the outer (more lateral) chaeta may be slightly shorter than the inner. Prostomium rounded-conical, length slightly less than width; prolobous.
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</paragraph>
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<paragraph id="347D36B4FFD2763EFF05FE2F28F1FC0E" blockId="6.[151,1437,151,1998]" pageId="6" pageNumber="57">
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Brain in the peristomium, strongly lobed. Pharynx in II–IV; dorsal wall with columnar, ciliated cells; ventral wall very thin, with cuboidal, non-ciliated cells. Pharyngeal glands in (IV)V–VII(VIII), relatively small, irregular lobes, dorsal and/or lateral to gut. Longitudinal muscle layer 12–14 μm thick in preclitellar segments; circular muscle layer 3 μm.
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<collectingCountry id="4CD57624FFD2763EFE88FDBA28DEFD4C" box="[324,386,616,640]" name="Spain" pageId="6" pageNumber="57">Septa</collectingCountry>
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1/2 and 2/3 inconspicuous. Epidermis 4–12 μm thick anterior to clitellum; to about 12–15 μm in clitellum; 4–5 μm in post-clitellar segments; to 12–27 μm in prostomium. Lateral, commissural blood vessels in at least some preclitellar segments; these vessels thin and convoluted, typically joining ventral vessel 1 segment behind junction with dorsal vessel. No lateral blood vessels in middle or posterior segments. Dorsal blood vessel separate in anterior segments; on top of gut posterior to about XI. Chloragogen cells begin in about VII. First nephridia usually paired on 6/7, the next on 12/13; nephridia in few posterior segments, usually on one side only. Each nephridium has a small anteseptal funnel and a granular, narrow postseptal thickening 30–40 μm long; the posterior duct forms a loop that extends ventrally, entering one or more posterior segments, and terminating in a short ectal duct in the originating segment. Nephropores anterior to ventral chaetae, inconspicuous; ectal ducts without distinct vesicles.
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</paragraph>
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<paragraph id="347D36B4FFD2763EFF05FC1C28D8FB13" blockId="6.[151,1437,151,1998]" pageId="6" pageNumber="57">
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Spermathecae paired in IX; pores small, on ventral chaetal lines, just behind the ventral chaetae; accessory glands weak or absent (
|
||
<figureCitation id="ACF92A31FFD2763EFE6EFC2328B8FBC5" box="[418,484,1009,1033]" captionStart="FIGURE 3" captionStartId="7.[151,250,1799,1822]" captionTargetBox="[154,1431,214,1770]" captionTargetId="figure@7.[151,1436,119,1778]" captionTargetPageId="7" captionText="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="6" pageNumber="57">Fig. 3</figureCitation>
|
||
E–F). Ectal vestibule of duct is narrow and usually curved, about 30–50 μm long by up to 14 μm wide; ental 1/2–1/3 narrower, surrounded by a ring of circular (transverse) muscle at the junction with the main duct (
|
||
<figureCitation id="ACF92A31FFD2763EFE8FFBEB28CCFB9D" box="[323,400,1081,1105]" captionStart="FIGURE 3" captionStartId="7.[151,250,1799,1822]" captionTargetBox="[154,1431,214,1770]" captionTargetId="figure@7.[151,1436,119,1778]" captionTargetPageId="7" captionText="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="6" pageNumber="57">Figs. 3</figureCitation>
|
||
E–F, 4A–C). Main part of spermathecal duct 38–60 μm long, 18–22 μm wide in ectal part, narrowing to 12–17 μm entally, with densely- packed, columnar epithelium and a narrow lumen; spermathecal duct well differentiated from the ampulla (
|
||
<figureCitation id="ACF92A31FFD2763EFDF7FB522B21FB54" box="[571,637,1152,1176]" captionStart="FIGURE 3" captionStartId="7.[151,250,1799,1822]" captionTargetBox="[154,1431,214,1770]" captionTargetId="figure@7.[151,1436,119,1778]" captionTargetPageId="7" captionText="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="6" pageNumber="57">Fig. 3</figureCitation>
|
||
E–F). Spermathecal ampullae entirely in IX; ovate and compact, to 37– 64 μm long by 25–40 μm wide. Ampullar epithelium thin (3–4 μm) (
|
||
<figureCitation id="ACF92A31FFD2763EFC6CFB762AB9FB70" box="[928,997,1188,1212]" captionStart="FIGURE 4" captionStartId="8.[151,250,1744,1767]" captionTargetBox="[151,1436,209,1722]" captionTargetId="figure@8.[151,1436,193,1723]" captionTargetPageId="8" captionText="FIGURE 4. Eclipidrilus microthecus (G, specimen from Pettiford Creek, whole mount; all others from tributary to Naked Creek, A from a whole mount, others from sections). A – C, ectal part of spermathecal duct and vestibule: B shows the outer vestibule; C shows the ental part of the vestibule, with muscular ring. D, spermatheca. E, atrial duct and base of ampulla. F, sagittal section of atrial ampulla, with ental end and “ prostate ” to the right. G, atrial ampulla as seen in whole mount. H, transverse section of atrial ampulla, showing muscle layers and narrow lumen. I, ectal end of atrial duct and penial structure with (faint) penis. Scale bars: 100 μm." httpUri="https://zenodo.org/record/210012/files/figure.png" pageId="6" pageNumber="57">Fig. 4</figureCitation>
|
||
D). In mated specimens the sperm is in an unordered bundle.
|
||
</paragraph>
|
||
<paragraph id="347D36B4FFD2763EFF05FB3E2C1DFA87" blockId="6.[151,1437,151,1998]" pageId="6" pageNumber="57">Testes paired in IX and X, small to medium size, extending at most to mid-segment. Ovaries paired in XI; usually extending through XI, sometimes into XII. Sperm sacs not developed (sperm in testicular segments); egg sacs usually paired; may extend to XIV. Female funnels up to 50 μm tall; female pore intersegmental, on 11/12.</paragraph>
|
||
<paragraph id="347D36B4FFD2763EFF05FA852A68FA32" blockId="6.[151,1437,151,1998]" pageId="6" pageNumber="57">
|
||
Male funnels single on
|
||
<date id="407C1074FFD2763EFE1CFA852B26FAA3" box="[464,634,1367,1391]" pageId="6" pageNumber="57" value="2011-09-10" valueMax="2011-09-10" valueMin="2011-09-10">9/10 and 10/11</date>
|
||
; anterior and posterior similar in size (height 35–48 μm), directed anteriad within IX and X. Both anterior and posterior male funnels simple, conical; functional, with associated sperm. Both anterior and posterior vasa deferentia narrow (7–10 μm diameter); they approach the atrial duct near the male pore, then loosely follow the duct, joining the atrium near the base (ectal end) of the ampulla. Posterior vas deferens enters X directly, without penetrating 10/11 (
|
||
<figureCitation id="ACF92A31FFD2763EFD76FA342BA6FA32" box="[698,762,1510,1534]" captionStart="FIGURE 3" captionStartId="7.[151,250,1799,1822]" captionTargetBox="[154,1431,214,1770]" captionTargetId="figure@7.[151,1436,119,1778]" captionTargetPageId="7" captionText="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="6" pageNumber="57">Fig. 3</figureCitation>
|
||
E–F)
|
||
</paragraph>
|
||
<paragraph id="347D36B4FFD2763EFF05F9DB2DD1F802" blockId="6.[151,1437,151,1998]" pageId="6" pageNumber="57">
|
||
Male pore inconspicuous; single, slightly lateral to ventral midline in X, near 10/11 (
|
||
<figureCitation id="ACF92A31FFD2763EFB5CF9DB2D8FF9ED" box="[1168,1235,1545,1569]" captionStart="FIGURE 3" captionStartId="7.[151,250,1799,1822]" captionTargetBox="[154,1431,214,1770]" captionTargetId="figure@7.[151,1436,119,1778]" captionTargetPageId="7" captionText="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="6" pageNumber="57">Fig. 3</figureCitation>
|
||
A–B). Atrial duct widens slightly at the ectal end (
|
||
<figureCitation id="ACF92A31FFD2763EFE32F9FF2B1EF989" box="[510,578,1581,1605]" captionStart="FIGURE 4" captionStartId="8.[151,250,1744,1767]" captionTargetBox="[151,1436,209,1722]" captionTargetId="figure@8.[151,1436,193,1723]" captionTargetPageId="8" captionText="FIGURE 4. Eclipidrilus microthecus (G, specimen from Pettiford Creek, whole mount; all others from tributary to Naked Creek, A from a whole mount, others from sections). A – C, ectal part of spermathecal duct and vestibule: B shows the outer vestibule; C shows the ental part of the vestibule, with muscular ring. D, spermatheca. E, atrial duct and base of ampulla. F, sagittal section of atrial ampulla, with ental end and “ prostate ” to the right. G, atrial ampulla as seen in whole mount. H, transverse section of atrial ampulla, showing muscle layers and narrow lumen. I, ectal end of atrial duct and penial structure with (faint) penis. Scale bars: 100 μm." httpUri="https://zenodo.org/record/210012/files/figure.png" pageId="6" pageNumber="57">Fig. 4</figureCitation>
|
||
E), subtending a small, narrowly conical penis within narrow sac (length 20– 33 μm, width 10–16 μm); the entire structure terminates in a small, conical papilla, which may be contained within a shallow depression (
|
||
<figureCitation id="ACF92A31FFD2763EFE43F9A62893F940" box="[399,463,1652,1676]" captionStart="FIGURE 3" captionStartId="7.[151,250,1799,1822]" captionTargetBox="[154,1431,214,1770]" captionTargetId="figure@7.[151,1436,119,1778]" captionTargetPageId="7" captionText="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="6" pageNumber="57">Fig. 3</figureCitation>
|
||
G,
|
||
<date id="407C1074FFD2763EFE23F9A62B56F940" box="[495,522,1652,1676]" pageId="6" pageNumber="57">4I</date>
|
||
). A few small (to 20 μm) accessory glands may be present at male pore; absent or inconspicuous in most specimens. The main atrial duct extends dorsally around one side of gut, then usually loops posteriorly and widens abruptly to form the ampulla (
|
||
<figureCitation id="ACF92A31FFD2763EFD22F96E2A72F918" box="[750,814,1724,1748]" captionStart="FIGURE 3" captionStartId="7.[151,250,1799,1822]" captionTargetBox="[154,1431,214,1770]" captionTargetId="figure@7.[151,1436,119,1778]" captionTargetPageId="7" captionText="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="6" pageNumber="57">Fig. 3</figureCitation>
|
||
E–F, 4E). Duct length 180–295 μm, width to 25–29 μm near male pore, narrowing entally to 17–25 μm. Duct musculature more or less longitudinal, 5–7 μm thick in ectal part; lumen narrow ectally, widening to 6 μm entally; epithelium very thin. Atrial ampulla narrowly ovate (
|
||
<figureCitation id="ACF92A31FFD2763EFAF7F8D12C27F8D7" box="[1339,1403,1795,1819]" captionStart="FIGURE 3" captionStartId="7.[151,250,1799,1822]" captionTargetBox="[154,1431,214,1770]" captionTargetId="figure@7.[151,1436,119,1778]" captionTargetPageId="7" captionText="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="6" pageNumber="57">Fig. 3</figureCitation>
|
||
E– F, 4F); length 152–215 μm, width at middle 52–98 μm. Ampulla with a very thick, cross-hatched muscle layer, to 29–31 μm, composed of about 7–10 layers of fibers in alternating spirals, oriented at about 50–60˚ from the longitudinal axis (
|
||
<figureCitation id="ACF92A31FFD2763EFEEBF8BD2834F84B" box="[295,360,1903,1927]" captionStart="FIGURE 4" captionStartId="8.[151,250,1744,1767]" captionTargetBox="[151,1436,209,1722]" captionTargetId="figure@8.[151,1436,193,1723]" captionTargetPageId="8" captionText="FIGURE 4. Eclipidrilus microthecus (G, specimen from Pettiford Creek, whole mount; all others from tributary to Naked Creek, A from a whole mount, others from sections). A – C, ectal part of spermathecal duct and vestibule: B shows the outer vestibule; C shows the ental part of the vestibule, with muscular ring. D, spermatheca. E, atrial duct and base of ampulla. F, sagittal section of atrial ampulla, with ental end and “ prostate ” to the right. G, atrial ampulla as seen in whole mount. H, transverse section of atrial ampulla, showing muscle layers and narrow lumen. I, ectal end of atrial duct and penial structure with (faint) penis. Scale bars: 100 μm." httpUri="https://zenodo.org/record/210012/files/figure.png" pageId="6" pageNumber="57">Fig. 4</figureCitation>
|
||
F–H). Epithelium thin and indistinct, as little as 2 μm thick; lumen very narrow, usually less than 5 μm (
|
||
<figureCitation id="ACF92A31FFD2763EFF13F840287DF866" box="[223,289,1938,1962]" captionStart="FIGURE 4" captionStartId="8.[151,250,1744,1767]" captionTargetBox="[151,1436,209,1722]" captionTargetId="figure@8.[151,1436,193,1723]" captionTargetPageId="8" captionText="FIGURE 4. Eclipidrilus microthecus (G, specimen from Pettiford Creek, whole mount; all others from tributary to Naked Creek, A from a whole mount, others from sections). A – C, ectal part of spermathecal duct and vestibule: B shows the outer vestibule; C shows the ental part of the vestibule, with muscular ring. D, spermatheca. E, atrial duct and base of ampulla. F, sagittal section of atrial ampulla, with ental end and “ prostate ” to the right. G, atrial ampulla as seen in whole mount. H, transverse section of atrial ampulla, showing muscle layers and narrow lumen. I, ectal end of atrial duct and penial structure with (faint) penis. Scale bars: 100 μm." httpUri="https://zenodo.org/record/210012/files/figure.png" pageId="6" pageNumber="57">Fig. 4</figureCitation>
|
||
F, H). Most of ampulla without prostate glands, although a poorly defined, decumbent clump of cells is visible at the ental end in most specimens (
|
||
<figureCitation id="ACF92A31FFD2763EFDB4F8642BE4F802" box="[632,696,1974,1998]" captionStart="FIGURE 3" captionStartId="7.[151,250,1799,1822]" captionTargetBox="[154,1431,214,1770]" captionTargetId="figure@7.[151,1436,119,1778]" captionTargetPageId="7" captionText="FIGURE 3. Eclipidrilus microthecus (A – B, C, F, specimens from tributary to Naked Creek; D – E, specimens from Flat Creek). A – B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E – F, reproductive segments IX – XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A – B 400 μm, C – D 50 μm, E – F 200 μm." httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="6" pageNumber="57">Fig. 3</figureCitation>
|
||
E–F, 4F). Atrium usually extends into XI.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="60BD663CFFD3763FFF5BF8D52D89F8B5" httpUri="https://zenodo.org/record/210011/files/figure.png" pageId="7" pageNumber="58" targetBox="[154,1431,214,1770]" targetPageId="7">
|
||
<paragraph id="347D36B4FFD3763FFF5BF8D52D89F8B5" blockId="7.[151,1437,1799,1913]" pageId="7" pageNumber="58">
|
||
<emphasis id="06B6EAA6FFD3763FFF5BF8D5284EF8D0" bold="true" box="[151,274,1799,1822]" pageId="7" pageNumber="58">FIGURE 3.</emphasis>
|
||
<taxonomicName id="F3C24D37FFD3763FFED4F8D52B4DF8D1" box="[280,529,1799,1821]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="7" pageNumber="58" phylum="Annelida" rank="species" species="microthecus">
|
||
<emphasis id="06B6EAA6FFD3763FFED4F8D52B4DF8D1" box="[280,529,1799,1821]" italics="true" pageId="7" pageNumber="58">Eclipidrilus microthecus</emphasis>
|
||
</taxonomicName>
|
||
(A–B, C, F, specimens from tributary to Naked Creek; D–E, specimens from Flat Creek). A–B, lateral view of anterior segments. C, paired chaetae: from left to right, segment IV (dorsal pair) and V (ventral). D, paired chaetae: IV (ventral) and XII (dorsal). E–F, reproductive segments IX–XI, from dissected worms; both worms facing right. G, ectal end of atrial duct and penis, from a whole mount. Scale bars: A–B 400 μm, C–D 50 μm, E–F 200 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="60BD663CFFDC7630FF5BF90228FEF84C" httpUri="https://zenodo.org/record/210012/files/figure.png" pageId="8" pageNumber="59" targetBox="[151,1436,209,1722]" targetPageId="8">
|
||
<paragraph id="347D36B4FFDC7630FF5BF90228FEF84C" blockId="8.[151,1436,1744,1920]" pageId="8" pageNumber="59">
|
||
<emphasis id="06B6EAA6FFDC7630FF5BF902284AF92A" bold="true" box="[151,278,1744,1767]" pageId="8" pageNumber="59">FIGURE 4.</emphasis>
|
||
<taxonomicName id="F3C24D37FFDC7630FED3F9032B47F92B" box="[287,539,1745,1767]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="8" pageNumber="59" phylum="Annelida" rank="species" species="microthecus">
|
||
<emphasis id="06B6EAA6FFDC7630FED3F9032B47F92B" box="[287,539,1745,1767]" italics="true" pageId="8" pageNumber="59">Eclipidrilus microthecus</emphasis>
|
||
</taxonomicName>
|
||
(G, specimen from Pettiford Creek, whole mount; all others from tributary to Naked Creek, A from a whole mount, others from sections). A–C, ectal part of spermathecal duct and vestibule: B shows the outer vestibule; C shows the ental part of the vestibule, with muscular ring. D, spermatheca. E, atrial duct and base of ampulla. F, sagittal section of atrial ampulla, with ental end and “prostate” to the right. G, atrial ampulla as seen in whole mount. H, transverse section of atrial ampulla, showing muscle layers and narrow lumen. I, ectal end of atrial duct and penial structure with (faint) penis. Scale bars: 100 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="7CD8653FFFDD7631FF0BFF4A2BD8FE3E" pageId="9" pageNumber="60" type="discussion">
|
||
<paragraph id="347D36B4FFDD7631FF0BFF4A2D3EFE8C" blockId="9.[151,1436,151,498]" pageId="9" pageNumber="60">
|
||
<emphasis id="06B6EAA6FFDD7631FF0BFF4A2867FF7C" bold="true" box="[199,315,152,176]" pageId="9" pageNumber="60">Remarks.</emphasis>
|
||
All
|
||
<taxonomicName id="F3C24D37FFDD7631FEA2FF4B2B49FF7C" box="[366,533,152,176]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="9" pageNumber="60" phylum="Annelida" rank="species" species="microthecus">
|
||
<emphasis id="06B6EAA6FFDD7631FEA2FF4B2B49FF7C" box="[366,533,152,176]" italics="true" pageId="9" pageNumber="60">E. microthecus</emphasis>
|
||
</taxonomicName>
|
||
specimens had the same configuration of reproductive organs, which resembles that of
|
||
<taxonomicName id="F3C24D37FFDD7631FF2AFF6E2B3DFF1F" authority="Fend, 2005" authorityName="Fend" authorityYear="2005" box="[230,609,187,212]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="9" pageNumber="60" phylum="Annelida" rank="species" species="pacificus">
|
||
<emphasis id="06B6EAA6FFDD7631FF2AFF6E288BFF18" box="[230,471,188,212]" italics="true" pageId="9" pageNumber="60">Eclipidrilus pacificus</emphasis>
|
||
<bibRefCitation id="50534B45FFDD7631FE12FF692B3DFF1F" author="Fend" box="[478,609,187,211]" pageId="9" pageNumber="60" refString="Fend, S. V. (2005) A review of the genus Eclipidrilus (Annelida: Clitellata: Lumbriculidae), with description of a new species from western North America. Zootaxa, 969, 1 - 42." type="journal article" year="2005">Fend, 2005</bibRefCitation>
|
||
</taxonomicName>
|
||
. The unpaired anterior and posterior male ducts are unusual in the family, and contrast with the paired arrangement in other species having median atria (e.g.,
|
||
<taxonomicName id="F3C24D37FFDD7631FBF1FF322D9DFF3B" box="[1085,1217,223,247]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="9" pageNumber="60" phylum="Annelida" rank="species" species="pacificus">
|
||
<emphasis id="06B6EAA6FFDD7631FBF1FF322D9DFF3B" box="[1085,1217,223,247]" italics="true" pageId="9" pageNumber="60">E. pacificus</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<taxonomicName id="F3C24D37FFDD7631FB03FF322C12FF3B" box="[1231,1358,223,247]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="9" pageNumber="60" phylum="Annelida" rank="species" species="lacustris">
|
||
<emphasis id="06B6EAA6FFDD7631FB03FF322C12FF3B" box="[1231,1358,223,247]" italics="true" pageId="9" pageNumber="60">E. lacustris</emphasis>
|
||
</taxonomicName>
|
||
;
|
||
<taxonomicName id="F3C24D37FFDD7631FA91FF3228DEFED6" authority="Hrabe" authorityName="Hrabe" class="Oligochaeta" family="Lumbriculidae" genus="Tatriella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="9" pageNumber="60" phylum="Annelida" rank="species" species="slovenica">
|
||
<emphasis id="06B6EAA6FFDD7631FA91FF322869FED7" italics="true" pageId="9" pageNumber="60">Tatriella slovenica</emphasis>
|
||
Hrabë
|
||
</taxonomicName>
|
||
), but are perhaps similar to
|
||
<taxonomicName id="F3C24D37FFDD7631FD01FED12DFCFED7" authority="Smith, 1896" authorityName="Smith" authorityYear="1896" box="[717,1184,259,283]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="9" pageNumber="60" phylum="Annelida" rank="species" species="asymmetricus">
|
||
<emphasis id="06B6EAA6FFDD7631FD01FED12AAAFED7" box="[717,1014,259,283]" italics="true" pageId="9" pageNumber="60">Eclipidrilus asymmetricus</emphasis>
|
||
(
|
||
<bibRefCitation id="50534B45FFDD7631FBCAFED12DCBFED7" author="Smith" box="[1030,1175,259,283]" pageId="9" pageNumber="60" refString="Smith, F. (1896) Notes on species of North American oligochaetes II. Bulletin of the Illinois State Laboratory of Natural History, 4, 396 - 421." type="journal article" year="1896">Smith, 1896</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. The very small spermathecal ampullae and the possible single prostate gland are unusual within the genus.
|
||
</paragraph>
|
||
<paragraph id="347D36B4FFDD7631FF05FE982BD8FE3E" blockId="9.[151,1436,151,498]" pageId="9" pageNumber="60">
|
||
Over
|
||
<specimenCount id="22C4FD3DFFDD7631FECBFE9828C3FEAE" box="[263,415,330,354]" pageId="9" pageNumber="60" type="generic">20 specimens</specimenCount>
|
||
appeared sexually mature, with sperm on the male funnels and in the spermathecae. Length and number of segments were based on 9 complete worms; blood vessels and nephridia were difficult to see in most specimens, so these observations were limited. Although most of these specimens had mature eggs in the egg sacs, there did not appear to be well-developed sperm sacs at any stage, and only a small amount of free sperm was visible in the coelom of testicular segments.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |