178 lines
17 KiB
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178 lines
17 KiB
XML
<document id="40A4821BFFBE5700606A22B97F7DB449" ID-CLB-Dataset="31944" ID-DOI="http://dx.doi.org/10.3897/zookeys.703.13385" ID-GBIF-Dataset="e1e83ca0-ed07-4f17-bd7e-1cedbac15bbc" ID-PMC="PMC5673978" ID-Pensoft-Pub="1313-2970-703-15" ID-PubMed="29118604" ID-ZooBank="9BAAB4A5CDE1493B8A0413D8F301E198" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-703-15" ModsDocOrigin="ZooKeys 703" ModsDocTitle="Taxonomy of North European Lumbricillus (Clitellata, Enchytraeidae)" checkinTime="1506576699266" checkinUser="pensoft" docAuthor="Klinth, Marten J., Rota, Emilia & Erseus, Christer" docDate="2017" docId="5717C8AA2339910377E836F1BE720677" docLanguage="en" docName="ZooKeys 703: 15-96" docOrigin="ZooKeys 703" docSource="http://dx.doi.org/10.3897/zookeys.703.13385" docTitle="Lumbricillus kaloensis Nielsen & Christensen 1959" docType="treatment" docVersion="6" lastPageNumber="28" masterDocId="B248FFB4FF91C20DCE56FFE7FF875A5A" masterDocTitle="Taxonomy of North European Lumbricillus (Clitellata, Enchytraeidae)" masterLastPageNumber="96" masterPageNumber="15" pageNumber="27" updateTime="1701378398428" updateUser="ExternalLinkService">
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<mods:titleInfo id="09056AB1FB7176D52B336BAA95ECDFF9">
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<mods:title id="B8FBB5852CE98AC06FBD0F98E902392D">Taxonomy of North European Lumbricillus (Clitellata, Enchytraeidae)</mods:title>
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<mods:namePart id="A52E38976B0A497BCE2BCA8493D2A53F">Klinth, Marten J.</mods:namePart>
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<mods:namePart id="CAF626A1F09C4329D7DA796B228594EE">Rota, Emilia</mods:namePart>
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<mods:namePart id="7B3B19F921979A074E2DA7CC829DA972">Erseus, Christer</mods:namePart>
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<mods:date id="0E567A66E2441A28D22AC2296707D343">2017</mods:date>
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<mods:number id="F03394B426ED65F2E71C254E06C64EE3">703</mods:number>
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<mods:classification id="C35291FD66F5E11E63B682B1E232C726">journal article</mods:classification>
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<mods:identifier id="8FEE5B9E2DD300C2C2A78FEC643C37E6" type="DOI">http://dx.doi.org/10.3897/zookeys.703.13385</mods:identifier>
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<treatment id="5717C8AA2339910377E836F1BE720677" ID-GBIF-Taxon="134860659" LSID="urn:lsid:plazi:treatment:5717C8AA2339910377E836F1BE720677" httpUri="http://treatment.plazi.org/id/5717C8AA2339910377E836F1BE720677" lastPageId="13" lastPageNumber="28" pageId="12" pageNumber="27">
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<subSubSection id="8B83955478576C7235B6A05295BF0423" pageId="12" pageNumber="27" type="nomenclature">
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<paragraph id="BC1172B659EC51250980DEDFB99DB09E" pageId="12" pageNumber="27">
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<taxonomicName id="7F6150B8E08129ADF517F5865BE7F9E6" ID-CoL="6R25X" authority="Nielsen & Christensen, 1959" authorityName="Nielsen & Christensen" authorityYear="1959" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lumbricillus kaloensis" order="Enchytraeida" pageId="12" pageNumber="27" phylum="Annelida" rank="species" species="kaloensis">Lumbricillus kaloensis Nielsen & Christensen, 1959</taxonomicName>
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Fig. 9
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</paragraph>
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</subSubSection>
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<subSubSection id="6911DBD61A92001C4C9CC63052D37BA9" pageId="12" pageNumber="27" type="reference_group">
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<paragraph id="7E386F8017DDE80DE680D64FC1A5E95B" pageId="12" pageNumber="27">
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<taxonomicName id="A0236E9A5E0D459F4AA676CB92A2B4EE" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lumbricillus kaloensis" order="Enchytraeida" pageId="12" pageNumber="27" phylum="Annelida" rank="species" species="kaloensis">Lumbricillus kaloensis</taxonomicName>
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Nielsen & Christensen, 1959: p. 100, figs 113-114;
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<bibRefCitation id="9A4A89AAB7B8C99B8E52D862C1630818" author="Erseus, C" journalOrPublisher="Molecular Phylogenetics and Evolution" pageId="46" pageNumber="61" pagination="849 - 858" title="Molecular phylogeny of Enchytraeidae (Annelida, Clitellata)." url="https://doi.org/10.1016/j.ympev.2010.07.005" volume="57" year="2010">
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<normalizedToken id="0E33FD1ABBAC2C381E4B5B76327F7B3A" originalValue="Erséus">Erseus</normalizedToken>
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et al. 2010
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</bibRefCitation>
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;
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<bibRefCitation id="2A99D63AF378B5422A47065DF8762FA9" author="Klinth, MJ" journalOrPublisher="Zoologica Scripta" pageId="46" pageNumber="61" pagination="96 - 110" title="Phylogeny and species delimitation of North European Lumbricillus (Clitellata, Enchytraeidae)." url="https://doi.org/10.1111/zsc.12187" volume="46" year="2017">Klinth et al. 2017</bibRefCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="35BB4BD057DBA4FAA791B60927B31B39" pageId="12" pageNumber="27" type="type material">
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<paragraph id="F846E5BCF4B986205E76B6441C14D700" pageId="12" pageNumber="27">Type material.</paragraph>
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<paragraph id="3DD85E0162119FC353734697E95E93F6" pageId="12" pageNumber="27">
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Typus amissus (Nomenclatura Oligochaetologica). Type locality:
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<normalizedToken id="556FC4EA8967C8BE844B23110BD1219B" originalValue="Kalø">Kalo</normalizedToken>
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Vig, Denmark. We did not designate a neotype as we do not have material from the type locality.
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</paragraph>
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</subSubSection>
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<subSubSection id="29B873EECEA5ECF643796F47948978AE" pageId="12" pageNumber="27" type="materials_examined">
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<paragraph id="98ED51E43C67E47A762EB9046066A81D" pageId="12" pageNumber="27">Material examined.</paragraph>
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<paragraph id="86E72335E3A1CEDDDF2D7540D58EBF3F" pageId="12" pageNumber="27">SMNH 152733 (CE978), one mature specimen from Sweden & ZMBN 107842 (CE5412), one immature specimen from Norway. For information on specimen collection localities and GenBank accession numbers see Appendix 1.</paragraph>
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</subSubSection>
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<subSubSection id="1D9E2B2DF5E20BE957520829DE914AA2" lastPageId="13" lastPageNumber="28" pageId="12" pageNumber="27" type="description">
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<paragraph id="5A3EEE4139B3E886F702E548916AF4D6" pageId="12" pageNumber="27">Description.</paragraph>
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<paragraph id="6F553E5A380DE5FDDA7C2FC27F3A6EBF" pageId="12" pageNumber="27">
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Orange or whitish worms. Length (fixed worms) more than 2.8-3.6 mm (amputated specimens), first 15 segments 2.5-3.1 mm long, width at clitellum 0.32-0.37 mm. More than 18 segments. Chaetae slightly sigmoid (Fig. 9A). Dorsal bundles with 3-5 chaetae anterior to clitellum, 2-3 chaetae in postclitellar segments. Ventral bundles with 3-6 chaetae anterior to clitellum, 2-5 chaetae posteriorly. Each
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<normalizedToken id="ECC77302356D92F0FB9D65EE61BA490D" originalValue="worm’s">worm's</normalizedToken>
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longest measured chaetae 50-60
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<normalizedToken id="4236F55361CAED6C53A1AAD979007815" originalValue="µm">µm</normalizedToken>
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long, about 3
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<normalizedToken id="6832F632DBAC8038E3D7D26EFDDD2CB1" originalValue="µm">µm</normalizedToken>
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wide. Clitellum extending over
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<normalizedToken id="80FF8DB31F6C4575C3FEF684AB7DD123" originalValue="XII–">XII-</normalizedToken>
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1/2XIII. Head pore at 0/1. Epidermis with transverse rows of gland cells.
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</paragraph>
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<paragraph id="4D853B4EF4939399D92E2F40A34252CD" pageId="12" pageNumber="27">
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Coelomocytes numerous, 15
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<normalizedToken id="42D2E81CA37A9EC1D1A468AA7B281893" originalValue="µm">µm</normalizedToken>
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long, round, oval, granulated. Paired pharyngeal glands present in IV, V and VI; each pair converging dorsally (Fig. 9B). Dorsal vessel originating in XIII. Nephridia observed in
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<normalizedToken id="80C262662BAAB7267D0D5ED16B7A6DF7" originalValue="IX–X">IX-X</normalizedToken>
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and possibly
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<normalizedToken id="4FF3918CE9AE7556B084EE972322E765" originalValue="XIV–XV">XIV-XV</normalizedToken>
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, about 110
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<normalizedToken id="1346FDFFE84CC0546AAE9D26F2DBF449" originalValue="µm">µm</normalizedToken>
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long. Anteseptale small, consisting of funnel only. Postseptale oval, tapering posteriorly into efferent duct. Brain with posterior incision.
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</paragraph>
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<paragraph id="FBB9987669905BB0F90A0A754A248417" pageId="12" pageNumber="27">
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Male genitalia paired (Fig. 9D). Testes originating in XI, extending forwards into IX, in one specimen also extending backwards into XII, with testis sacs forming regular club-shaped lobes. Sperm funnels in XI, 185
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<normalizedToken id="1693E442FA61777CD4E0F4C18FAE4785" originalValue="µm">µm</normalizedToken>
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long, 155
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<normalizedToken id="A25F8BA0A69FBEEEDE7AD0F01E77BE6A" originalValue="µm">µm</normalizedToken>
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wide, making them slightly longer than wide, funnels tapering towards vasa deferentia. Most of vasa irregularly coiled in XII, 15
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<normalizedToken id="B11E0410C9188161A64B525769AA45A0" originalValue="µm">µm</normalizedToken>
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wide. Penial bulbs round, 80
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<normalizedToken id="AEEC5C3AE384485B3AF1AB265A65FCE7" originalValue="µm">µm</normalizedToken>
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in diameter. Ovaries in XII. No mature eggs observed.
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</paragraph>
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<paragraph id="A7DCB86940BBE514A6E178508A6ACA58" pageId="13" pageNumber="28">
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<pageBreakToken id="991B6FDE81BDE9E1FCC758CD274AABD6" pageId="13" pageNumber="28" start="start">Spermathecae</pageBreakToken>
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(Fig. 9C) in V, spindle-shaped, without distinct ampulla, gradually widening, entally connecting with oesophagus. Sperm evenly embedded in ampulla. Spermathecae 290
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<normalizedToken id="ECDDA09A5555CBC27B4035370DBD1ACB" originalValue="µm">µm</normalizedToken>
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long, 65
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<normalizedToken id="B0C034D2F485D9E11FB182CA1F53512B" originalValue="µm">µm</normalizedToken>
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wide at widest part of ampulla. Gland cells surrounding ectal pore divided into at least three somewhat separated lobes, one lobe significantly larger than the others, whole glandular body 120
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<normalizedToken id="0A6C5817C02E78C635CD5AE9022CB3AF" originalValue="µm">µm</normalizedToken>
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in diameter at its widest part. Two midventral subneural glands in
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<normalizedToken id="D796E5C4A5E5620696A4D26C80D1611F" originalValue="XIII–XIV">XIII-XIV</normalizedToken>
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, 95
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<normalizedToken id="9F25A31492D839E82145F2A4BDAB70A0" originalValue="µm">µm</normalizedToken>
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and 75
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<normalizedToken id="2D08AAFF49B122F0C2379EAA4CAAE3CF" originalValue="µm">µm</normalizedToken>
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long, respectively.
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</paragraph>
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<caption id="6CA480AE2F7CA4B39F72666AF6B8C626" pageId="13" pageNumber="28">
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<paragraph id="45EC1DFF0D27353FFBA3714123B226D8" pageId="13" pageNumber="28">
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Figure 9.
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<taxonomicName id="DB780A8D040D9D50EC94D4C9E5D76505" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lumbricillus kaloensis" order="Enchytraeida" pageId="13" pageNumber="28" phylum="Annelida" rank="species" species="kaloensis">Lumbricillus kaloensis</taxonomicName>
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. A Chaetal bundle B Anterior body C Spermatheca D Other genitalia. Abbreviations under general notes. Scale bars: 100
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<normalizedToken id="179AC937B63E8ED290F8A84F3F2D9EC9" originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection id="F3DEAD0D0C9B8381EC5206F93B84DC33" pageId="13" pageNumber="28" type="distribution">
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<paragraph id="896C1A034A70C5BD0F5443D26F423A86" pageId="13" pageNumber="28">Geographical distribution including BOLD data.</paragraph>
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<paragraph id="437936005B2427AEEDF38CD0039433D2" pageId="13" pageNumber="28">Originally described from Denmark, now genetically identified from Norway and Sweden. BIN-number: BOLD:AAU0152.</paragraph>
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</subSubSection>
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<subSubSection id="4256B36A1FDA4C4307E51C007FEAE109" pageId="13" pageNumber="28" type="remarks">
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<paragraph id="A55A98403209A25FC8B6ECED04D58481" pageId="13" pageNumber="28">Remarks.</paragraph>
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<paragraph id="3FC6918D5367C8F2BA55EB8031BCCEA1" pageId="13" pageNumber="28">
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The specimens examined in this study match the original description by
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<bibRefCitation id="9B3739F2FFA3747DB1A5D67B20D2EC76" pageId="13" pageNumber="28">Nielsen and Christensen (1959)</bibRefCitation>
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in the majority of the characters. Our worms were smaller than theirs, with slightly fewer chaetae (particularly in postclitellar bundles) and sperm funnels shorter in relation to their width, the latter of which could be explained by the difference between live and mounted material. We also observed two subneural glands which were not originally reported by Nielsen and Christensen. The spermathecae, despite being slightly damaged in our mature specimen, exhibit the typical large asymmetrical ectal gland subdivided into flap-like lobes, one of which is clearly larger than the others. Asymmetrical ectal glands have also been observed in
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<taxonomicName id="B097645B18E1F6F37E1006A69256A12C" lsidName="L. enteromorphae" pageId="13" pageNumber="28" rank="species" species="enteromorphae">L. enteromorphae</taxonomicName>
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von
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<normalizedToken id="977CD54EB7D76DC88C8445B53B31A70B" originalValue="Bülow">Buelow</normalizedToken>
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, 1957, and to some extent in
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<taxonomicName id="B121B218203FC1FBE9743059ADD45F91" lsidName="L. rubidus" pageId="13" pageNumber="28" rank="species" species="rubidus">L. rubidus</taxonomicName>
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Finogenova & Streltsov, 1978. The former can be distinguished from
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<taxonomicName id="B3EC4091B428C1E74F600F6EA91A61B9" lsidName="L. kaloensis" pageId="13" pageNumber="28" rank="species" species="kaloensis">L. kaloensis</taxonomicName>
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by having sperm funnels 8 times longer than wide, and an atrium-like part where the vasa deferentia meet the penial bulbs.
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<taxonomicName id="625D7ECF9EE8BA3C05FD5A282D57B563" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lumbricillus rubidus" order="Enchytraeida" pageId="13" pageNumber="28" phylum="Annelida" rank="species" species="rubidus">Lumbricillus rubidus</taxonomicName>
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, while having ectal glands on the spermathecae that may appear asymmetrical, does not have the glands subdivided into such clearly asymmetrical flaps as in
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<taxonomicName id="1BABB0EB7ABCBD7098C6EF7B556EC5FC" lsidName="L. kaloensis" pageId="13" pageNumber="28" rank="species" species="kaloensis">L. kaloensis</taxonomicName>
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. Furthermore,
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<taxonomicName id="952150ADB4A36690EB9196E5D9F1F2D9" lsidName="L. rubidus" pageId="13" pageNumber="28" rank="species" species="rubidus">L. rubidus</taxonomicName>
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has a more distinct musculature covering the ectal duct of the spermathecae, sometimes appearing as a muscular bulb;
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<taxonomicName id="444624BB934B2DB0FFFE434C21B654B9" lsidName="L. kaloensis" pageId="13" pageNumber="28" rank="species" species="kaloensis">L. kaloensis</taxonomicName>
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also has a muscular coating of the duct, but it is thinner.
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</paragraph>
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<paragraph id="15EAC93AF52E42124047F3DD4A107D8A" pageId="13" pageNumber="28">
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<taxonomicName id="3720EE5A450E8B5F7A9853F372655CCE" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lumbricillus kaloensis" order="Enchytraeida" pageId="13" pageNumber="28" phylum="Annelida" rank="species" species="kaloensis">Lumbricillus kaloensis</taxonomicName>
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is genetically placed within the
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<taxonomicName id="D6CE3A89FD470438102E487967873FFA" lsidName="lineatus" pageId="13" pageNumber="28" rank="species" species="lineatus">lineatus</taxonomicName>
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group. Its possible sister-group relationship with
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<taxonomicName id="E4D7866602000113B7074B041146B80D" class="Clitellata" family="Enchytraeidae" genus="Lumbricillus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lumbricillus" order="Enchytraeida" pageId="13" pageNumber="28" phylum="Annelida" rank="genus">Lumbricillus</taxonomicName>
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sp. F (suggested by the tree in Fig. 1) is not statistically supported by the DNA data.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |