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<document id="649578455136591DC5CF182AF048D6A8" ID-DOI="10.11646/zootaxa.4006.1.9" ID-GBIF-Dataset="0c519915-9ecb-427d-998a-5429a90132e7" ID-ISSN="1175-5326" ID-Zenodo-Dep="237087" ID-ZooBank="E987B43A-E54A-4F64-9829-0B8EBE457E03" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461203959611" checkinUser="plazi" docAuthor="Dózsa-Farkas, Klára, Felföldi, Tamás &amp; Hong, Yong" docDate="2015" docId="304F8793681BFFCFFF3BFE78FC44AF93" docLanguage="en" docName="zt04006p197.pdf" docOrigin="Zootaxa 4006 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Mesenchytraeus calyx Dózsa-Farkas, Felföldi &amp; Hong, 2015, sp. n." docType="treatment" docVersion="8" lastPageNumber="189" masterDocId="CC76FFEB6814FFDDFFACFFECFFB3AA53" masterDocTitle="New enchytraeid species (Enchytraeidae, Oligochaeta) from Korea" masterLastPageNumber="197" masterPageNumber="171" pageNumber="186" updateTime="1698601274417" updateUser="plazi">
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<mods:title id="A1CD67D06A8D4152B990720B222A1A4A">New enchytraeid species (Enchytraeidae, Oligochaeta) from Korea</mods:title>
</mods:titleInfo>
<mods:name id="DBF5D45A3F80C0E5AA74E71609FC7CAB" type="personal">
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<mods:namePart id="C9A07458E34881078542436FDFE97D11">Dózsa-Farkas, Klára</mods:namePart>
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<mods:namePart id="C8BC885982B3DF3CE8C538287418A51D">Felföldi, Tamás</mods:namePart>
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<mods:namePart id="0BEB610935B356B68D243DC1FEA8E119">Hong, Yong</mods:namePart>
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<mods:title id="E63CCA399A0279A8635E5B8039BDD50B">Zootaxa</mods:title>
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<mods:part id="FC4EE530E573CEFF33D61EB6DB5CABDF">
<mods:date id="B04D0D226A97A64B01950D144B15FB37">2015</mods:date>
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<mods:number id="5430733BAE66966E3033B366B389F827">4006</mods:number>
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<mods:identifier id="4916AD410C0DB21B7261E113BF8822F4" type="DOI">10.11646/zootaxa.4006.1.9</mods:identifier>
<mods:identifier id="4A2BDFB6EC25C6BD652844694E777271" type="GBIF-Dataset">0c519915-9ecb-427d-998a-5429a90132e7</mods:identifier>
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<mods:identifier id="94C218315B801376253D7D0FCC574499" type="Zenodo-Dep">237087</mods:identifier>
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<treatment id="304F8793681BFFCFFF3BFE78FC44AF93" ID-DOI="http://doi.org/10.5281/zenodo.6100538" ID-GBIF-Taxon="119629991" ID-Zenodo-Dep="6100538" LSID="urn:lsid:plazi:treatment:304F8793681BFFCFFF3BFE78FC44AF93" httpUri="http://treatment.plazi.org/id/304F8793681BFFCFFF3BFE78FC44AF93" lastPageId="18" lastPageNumber="189" pageId="15" pageNumber="186">
<subSubSection id="F0FC650E681BFFD2FF3BFE78FE0BAB9C" pageId="15" pageNumber="186" type="nomenclature">
<paragraph id="B8593685681BFFD2FF3BFE78FE5FABFD" blockId="15.[151,492,404,463]" box="[151,492,404,430]" pageId="15" pageNumber="186">
<heading id="E31181E9681BFFD2FF3BFE78FE5FABFD" bold="true" box="[151,492,404,430]" fontSize="11" level="1" pageId="15" pageNumber="186" reason="1">
<emphasis id="8A92EA97681BFFD2FF3BFE78FE5FABFD" bold="true" box="[151,492,404,430]" pageId="15" pageNumber="186">
<taxonomicName id="7FE64D06681BFFD2FF3BFE78FE11ABFD" ID-CoL="85V88" box="[151,418,404,430]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="15" pageNumber="186" phylum="Annelida" rank="species" species="calyx" status="sp. nov.">
<emphasis id="8A92EA97681BFFD2FF3BFE78FE11ABFD" bold="true" box="[151,418,404,430]" italics="true" pageId="15" pageNumber="186">Mesenchytraeus calyx</emphasis>
</taxonomicName>
<taxonomicNameLabel id="91A157EC681BFFD2FE06FE78FE5FABFD" box="[426,492,404,430]" pageId="15" pageNumber="186" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="B8593685681BFFD2FF3BFE5AFE0BAB9C" blockId="15.[151,492,404,463]" box="[151,440,438,463]" pageId="15" pageNumber="186">
(
<figureCitation id="20DD2A00681BFFD2FF32FE5AFEBBAB9C" box="[158,264,438,463]" captionStart="FIGURE 6. F" captionStartId="11.[151,250,1880,1902]" captionTargetBox="[170,1415,199,1850]" captionTargetId="figure@11.[162,1425,193,1859]" captionTargetPageId="11" captionText="FIGURE 6. F. cusanicaformis sp. n. (A C), F. granulocyta sp. n. (D G), and Mesenchytraeus calyx sp. n. (H K). F. cusanicaformis: A. Spermathecae. B. Coelomocytes. C. Sperm funnel. F. granulocyta: D. Oesophageal appendage. E. Coelomocytes. F. Spermatheca. G. Sperm funnel. Mesenchytraeus calyx: H. Brain of adult specimen. I. Sperm bundle. J. Spermatheca. K. Male copulatory organ (a = atrium; sd = sperm duct; ag = atrial glands; acg = accessory copulatory glands)." httpUri="https://zenodo.org/record/237093/files/figure.png" pageId="15" pageNumber="186">Figures 6</figureCitation>
HK, 9, 10, 11)
</paragraph>
</subSubSection>
<subSubSection id="F0FC650E681BFFCDFF3BFE12FA32AC65" lastPageId="16" lastPageNumber="187" pageId="15" pageNumber="186" type="materials_examined">
<paragraph id="B8593685681BFFD2FF3BFE12FE04A8D0" blockId="15.[151,1436,510,1075]" pageId="15" pageNumber="186">
<emphasis id="8A92EA97681BFFD2FF3BFE12FD04A844" bold="true" box="[151,695,510,535]" pageId="15" pageNumber="186">
<typeStatus id="675D8827681BFFD2FF3BFE12FF61A844" box="[151,210,510,535]" pageId="15" pageNumber="186">Type</typeStatus>
material.
<typeStatus id="675D8827681BFFD2FEE7FE12FE09A844" box="[331,442,510,535]" pageId="15" pageNumber="186" type="holotype">Holotype</typeStatus>
. NIBRIV0000320525
</emphasis>
, slide
<emphasis id="8A92EA97681BFFD2FCADFE12FC28A844" bold="true" box="[769,923,510,535]" pageId="15" pageNumber="186">No. 1173 a+b</emphasis>
, adult, stained and whole-mounted specimen, anterior part of the worm opened dorsally, fixed
<date id="CC581045681BFFD2FD11FDCEFC8CA868" box="[701,831,546,571]" pageId="15" pageNumber="186" value="2015-02-23">23.02.2015</date>
.
<typeStatus id="675D8827681BFFD2FCE6FDCFFC31A868" box="[842,898,547,571]" pageId="15" pageNumber="186">Type</typeStatus>
locality: site 8: Mt. Cheontae, Yeongdong-gun, Cheungcheongnam-do,
<collectingCountry id="C0F17615681BFFD2FE0EFDABFE5AA80D" box="[418,489,583,606]" name="South Korea" pageId="15" pageNumber="186">Korea</collectingCountry>
,
<geoCoordinate id="DDD25042681BFFD2FE58FDAAFD39A80C" box="[500,650,582,607]" direction="north" orientation="latitude" pageId="15" pageNumber="186" precision="1" value="36.15828">36º09'29.8&quot;N</geoCoordinate>
<geoCoordinate id="DDD25042681BFFD2FD3DFDAAFC86A80C" box="[657,821,582,607]" direction="east" orientation="longitude" pageId="15" pageNumber="186" precision="1" value="127.61383">127º36'49.8&quot;E</geoCoordinate>
,
<quantity id="7F1E9B60681BFFD2FCECFDABFC34A80D" box="[832,903,583,607]" metricMagnitude="2" metricUnit="m" metricValue="2.48" pageId="15" pageNumber="186" unit="m" value="248.0">248 m</quantity>
asl, soil and litter layers of broad-leaved forest, leg. Y. Hong,
<date id="CC581045681BFFD2FE9EFD86FE07A8D0" box="[306,436,618,643]" pageId="15" pageNumber="186" value="2014-05-15">15.05.2014</date>
.
</paragraph>
<paragraph id="B8593685681BFFD2FF6BFD62FCB8AE60" blockId="15.[151,1436,510,1075]" pageId="15" pageNumber="186">
<emphasis id="8A92EA97681BFFD2FF6BFD62FDFBA8F4" bold="true" box="[199,584,654,679]" pageId="15" pageNumber="186">
<typeStatus id="675D8827681BFFD2FF6BFD62FEF2A8F4" box="[199,321,654,679]" pageId="15" pageNumber="186" type="paratype">Paratypes</typeStatus>
. NIBRIV0000320526,
</emphasis>
slide
<emphasis id="8A92EA97681BFFD2FD3EFD62FD4EA8F4" bold="true" box="[658,765,654,679]" pageId="15" pageNumber="186">No. 2005</emphasis>
, adult, stained whole mounted, anterior part of the worm opened.
<emphasis id="8A92EA97681BFFD2FF5AFD5EFE54A898" bold="true" box="[246,487,690,715]" pageId="15" pageNumber="186">NIBRIV0000320527</emphasis>
, one adult specimen in 70 % ethanol, both from site 11: Sulchon-myeon, Muju-gun, Jeollabuk-do,
<collectingCountry id="C0F17615681BFFD2FE91FD3BFE37A8BD" box="[317,388,727,750]" name="South Korea" pageId="15" pageNumber="186">Korea</collectingCountry>
,
<geoCoordinate id="DDD25042681BFFD2FE3AFD3AFD9EA8BC" box="[406,557,726,751]" direction="north" orientation="latitude" pageId="15" pageNumber="186" precision="1" value="35.991306">35º59'28.7&quot;N</geoCoordinate>
<geoCoordinate id="DDD25042681BFFD2FD96FD3AFD6DA8BC" box="[570,734,726,751]" direction="east" orientation="longitude" pageId="15" pageNumber="186" precision="1" value="127.84634">127º50'46.8&quot;E</geoCoordinate>
,
<quantity id="7F1E9B60681BFFD2FD5CFD3AFC8DA8BD" box="[752,830,726,751]" metricMagnitude="2" metricUnit="m" metricValue="5.4399999999999995" pageId="15" pageNumber="186" unit="m" value="544.0">544 m</quantity>
asl, soil and litter layers of forest, leg. Y. Hong,
<date id="CC581045681BFFD2FF3BFD16FEABA940" box="[151,280,762,787]" pageId="15" pageNumber="186" value="2014-05-16">16.05.2014</date>
. Fixed
<date id="CC581045681BFFD2FEC3FD16FE43A940" box="[367,496,762,787]" pageId="15" pageNumber="186" value="2015-04-15">15.04.2015</date>
.
<emphasis id="8A92EA97681BFFD2FE51FD16FD2CA940" bold="true" box="[509,671,762,787]" pageId="15" pageNumber="186">P.107.1107.2</emphasis>
, slides
<emphasis id="8A92EA97681BFFD2FD55FD16FC23A940" bold="true" box="[761,912,762,787]" pageId="15" pageNumber="186">No. 1156a+b</emphasis>
;
<emphasis id="8A92EA97681BFFD2FC0CFD16FBB5A940" bold="true" box="[928,1030,762,787]" pageId="15" pageNumber="186">2002a+b</emphasis>
two adult, stained, whole mounted specimens, site 11: Sulchon-myeon, Muju-gun, Jeollabuk-do,
<collectingCountry id="C0F17615681BFFD2FCFFFCF3FC29A965" box="[851,922,799,822]" name="South Korea" pageId="15" pageNumber="186">Korea</collectingCountry>
,
<geoCoordinate id="DDD25042681BFFD2FC0BFCF2FB8DA964" box="[935,1086,798,823]" direction="north" orientation="latitude" pageId="15" pageNumber="186" precision="1" value="35.991306">35º59'28.7&quot;N</geoCoordinate>
<geoCoordinate id="DDD25042681BFFD2FBE9FCF2FB5AA964" box="[1093,1257,798,823]" direction="east" orientation="longitude" pageId="15" pageNumber="186" precision="1" value="127.84634">127º50'46.8&quot;E</geoCoordinate>
,
<quantity id="7F1E9B60681BFFD2FB5AFCF2FA8DA965" box="[1270,1342,798,823]" metricMagnitude="2" metricUnit="m" metricValue="5.4399999999999995" pageId="15" pageNumber="186" unit="m" value="544.0">544 m</quantity>
asl, soil and litter layers of forest, leg. Y. Hong,
<date id="CC581045681BFFD2FDF3FCAEFD53A908" box="[607,736,834,859]" pageId="15" pageNumber="186" value="2014-05-16">16.05.2014</date>
. Fixed
<date id="CC581045681BFFD2FC99FCAEFC00A908" box="[821,947,834,859]" pageId="15" pageNumber="186" value="2015-02-18">18.02.2015</date>
and
<date id="CC581045681BFFD2FC40FCAEFBDEA908" box="[1004,1133,834,859]" pageId="15" pageNumber="186" value="2015-03-26">26.03.2015</date>
.
<emphasis id="8A92EA97681BFFD2FBD5FCAEFAA8A908" bold="true" box="[1145,1307,834,859]" pageId="15" pageNumber="186">P.107.3107.8</emphasis>
, slides
<emphasis id="8A92EA97681BFFD2FADFFCAEFF48A92C" bold="true" pageId="15" pageNumber="186">No. 1149a+b</emphasis>
,
<emphasis id="8A92EA97681BFFD2FEA2FC8AFEC1A92C" bold="true" box="[270,370,870,895]" pageId="15" pageNumber="186">1155a+b</emphasis>
,
<emphasis id="8A92EA97681BFFD2FE28FC8AFE5AA92C" bold="true" box="[388,489,870,895]" pageId="15" pageNumber="186">1157a+b</emphasis>
,
<emphasis id="8A92EA97681BFFD2FE57FC8AFDECA92C" bold="true" box="[507,607,870,895]" pageId="15" pageNumber="186">1162a+b</emphasis>
,
<emphasis id="8A92EA97681BFFD2FDDEFC8AFD65A92C" bold="true" box="[626,726,870,895]" pageId="15" pageNumber="186">1163a+b</emphasis>
,
<emphasis id="8A92EA97681BFFD2FD45FC8AFCFCA92C" bold="true" box="[745,847,870,895]" pageId="15" pageNumber="186">2003a+b</emphasis>
, six adult, stained specimens, anterior part of the worms opened dorsally, fixed 17.02
<date id="CC581045681BFFD2FDEFFC66FD77A9F0" box="[579,708,906,931]" pageId="15" pageNumber="186" value="2015-03-26">26.03.2015</date>
, from site 1: College of Agriculture &amp; Life Science, Chonbuk National University, Jeonju-si, Jeollabuk-do,
<collectingCountry id="C0F17615681BFFD2FD3FFC43FD69A995" box="[659,730,943,966]" name="South Korea" pageId="15" pageNumber="186">Korea</collectingCountry>
,
<geoCoordinate id="DDD25042681BFFD2FD4AFC42FCC8A994" box="[742,891,942,967]" direction="north" orientation="latitude" pageId="15" pageNumber="186" precision="1" value="35.84972">35º50'59.0&quot;N</geoCoordinate>
<geoCoordinate id="DDD25042681BFFD2FC2FFC42FB95A994" box="[899,1062,942,967]" direction="east" orientation="longitude" pageId="15" pageNumber="186" precision="1" value="127.13233">127º07'56.4&quot;E</geoCoordinate>
,
<quantity id="7F1E9B60681BFFD2FB9EFC42FBDFA995" box="[1074,1132,942,967]" metricMagnitude="1" metricUnit="m" metricValue="5.5" pageId="15" pageNumber="186" unit="m" value="55.0">55 m</quantity>
asl, soil and litter layers of woodland, leg. Y. Hong,
<date id="CC581045681BFFD2FE13FC3EFDF2A9B8" box="[447,577,978,1003]" pageId="15" pageNumber="186" value="2014-05-19">19.05.2014</date>
.
<emphasis id="8A92EA97681BFFD2FDE3FC3EFD4CA9B8" bold="true" box="[591,767,978,1003]" pageId="15" pageNumber="186">P.107.9107.10</emphasis>
, slide
<emphasis id="8A92EA97681BFFD2FCFDFC3EFC0FA9B8" bold="true" box="[849,956,978,1003]" pageId="15" pageNumber="186">No. 1181</emphasis>
,
<emphasis id="8A92EA97681BFFD2FC62FC3EFB87A9B8" bold="true" box="[974,1076,978,1003]" pageId="15" pageNumber="186">2004a+b</emphasis>
, two adult, stained specimens, anterior part of the worm opened dorsally, fixed
<date id="CC581045681BFFD2FD78FC1AFCE7AE5C" box="[724,852,1014,1039]" pageId="15" pageNumber="186" value="2015-04-15">15.04.2015</date>
, from
<typeStatus id="675D8827681BFFD2FC09FC1BFC66AE5C" box="[933,981,1015,1039]" pageId="15" pageNumber="186">type</typeStatus>
locality.
<emphasis id="8A92EA97681BFFD2FBE8FC1AFB17AE5C" bold="true" box="[1092,1188,1014,1039]" pageId="15" pageNumber="186">P.107.11</emphasis>
, slide
<emphasis id="8A92EA97681BFFD2FB59FC1AFAD2AE5C" bold="true" box="[1269,1377,1014,1039]" pageId="15" pageNumber="186">No. 2006</emphasis>
, one juvenile specimen, fixed
<date id="CC581045681BFFD2FE1CFBF6FD82AE60" box="[432,561,1050,1075]" pageId="15" pageNumber="186" value="2015-03-26">26.03.2015</date>
, from
<typeStatus id="675D8827681BFFD2FDD6FBF7FD19AE60" box="[634,682,1051,1075]" pageId="15" pageNumber="186">type</typeStatus>
locality.
</paragraph>
<caption id="EC99660D681BFFD2FF3BF8B5FD12ADB9" httpUri="https://zenodo.org/record/237096/files/figure.png" pageId="15" pageNumber="186" targetBox="[178,1397,1130,1850]" targetPageId="15">
<paragraph id="B8593685681BFFD2FF3BF8B5FD12ADB9" blockId="15.[151,1436,1881,2026]" pageId="15" pageNumber="186">
<emphasis id="8A92EA97681BFFD2FF3BF8B5FEA5AD3D" bold="true" box="[151,278,1881,1903]" pageId="15" pageNumber="186">FIGURE 9.</emphasis>
Micrograph of
<taxonomicName id="7FE64D06681BFFD2FE6DF8B5FD17AD3C" box="[449,676,1881,1903]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="15" pageNumber="186" phylum="Annelida" rank="species" species="calyx" status="sp. nov.">
<emphasis id="8A92EA97681BFFD2FE6DF8B5FD17AD3C" box="[449,676,1881,1903]" italics="true" pageId="15" pageNumber="186">Mesenchytraeus calyx</emphasis>
</taxonomicName>
<emphasis id="8A92EA97681BFFD2FD02F8B6FC96AD3C" bold="true" box="[686,805,1881,1903]" pageId="15" pageNumber="186">
<taxonomicNameLabel id="91A157EC681BFFD2FD02F8B6FD58AD3C" box="[686,747,1882,1903]" pageId="15" pageNumber="186" rank="species">sp. n.</taxonomicNameLabel>
AB
</emphasis>
living worms, head marked with white arrows, sperm sack marked with pink arrows.
<emphasis id="8A92EA97681BFFD2FE05F894FE71ADDD" bold="true" box="[425,450,1912,1934]" pageId="15" pageNumber="186">C.</emphasis>
Prostomium and segments I, II, dorsal view; prostomium brown-pigmented, head pore marked with arrow.
<emphasis id="8A92EA97681BFFD2FEB8F87BFE9EADFF" bold="true" box="[276,301,1943,1964]" pageId="15" pageNumber="186">D.</emphasis>
Ampullae of spermathecae, marked with black arrows, ental sack marked with white arrow.
<emphasis id="8A92EA97681BFFD2FB5FF87BFAB9ADFF" bold="true" box="[1267,1290,1943,1964]" pageId="15" pageNumber="186">E.</emphasis>
Spermathecal diverticula with ectal duct viewed from above.
<emphasis id="8A92EA97681BFFD2FD29F85AFD25AD98" bold="true" box="[645,662,1974,1995]" pageId="15" pageNumber="186">F.</emphasis>
Sperm in diverticula. A-C
<emphasis id="8A92EA97681BFFD2FC1BF85AFC4DAD98" box="[951,1022,1974,1995]" italics="true" pageId="15" pageNumber="186">in vivo</emphasis>
, DF in fixed, stained, dorsally opened worms. Scale bars in AB 1000 µm, in CF 50 µm.
</paragraph>
</caption>
<caption id="EC99660D6804FFCDFF3BFA89FA22AFA5" httpUri="https://zenodo.org/record/237097/files/figure.png" pageId="16" pageNumber="187" targetBox="[180,1403,193,1350]" targetPageId="16">
<paragraph id="B85936856804FFCDFF3BFA89FA22AFA5" blockId="16.[151,1436,1381,1526]" pageId="16" pageNumber="187">
<emphasis id="8A92EA976804FFCDFF3BFA89FEACAF29" bold="true" box="[151,287,1381,1403]" pageId="16" pageNumber="187">FIGURE 10.</emphasis>
Micrograph of
<taxonomicName id="7FE64D066804FFCDFE11FA89FD2FAF28" box="[445,668,1381,1403]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="16" pageNumber="187" phylum="Annelida" rank="species" species="calyx" status="sp. nov.">
<emphasis id="8A92EA976804FFCDFE11FA89FD2FAF28" box="[445,668,1381,1403]" italics="true" pageId="16" pageNumber="187">Mesenchytraeus calyx</emphasis>
</taxonomicName>
<emphasis id="8A92EA976804FFCDFD0EFA8AFD4AAF29" bold="true" box="[674,761,1381,1403]" pageId="16" pageNumber="187">
<taxonomicNameLabel id="91A157EC6804FFCDFD0EFA8AFD68AF28" box="[674,731,1382,1403]" pageId="16" pageNumber="187" rank="species">sp. n.</taxonomicNameLabel>
A.
</emphasis>
Head of a juvenile specimen (brain marked with black arrow, head pore marked with white arrow).
<emphasis id="8A92EA976804FFCDFE72FA68FE45AFCA" bold="true" box="[478,502,1412,1433]" pageId="16" pageNumber="187">B.</emphasis>
Clitellar glands of an opened worm.
<emphasis id="8A92EA976804FFCDFCC2FA68FC34AFC9" bold="true" box="[878,903,1412,1434]" pageId="16" pageNumber="187">C.</emphasis>
The strongly segmented body end.
<emphasis id="8A92EA976804FFCDFB5DFA68FAB9AFCA" bold="true" box="[1265,1290,1412,1433]" pageId="16" pageNumber="187">D.</emphasis>
Nephridia 26/ 27/28 of holotype.
<emphasis id="8A92EA976804FFCDFEF7FA4FFEC0AFEB" bold="true" box="[347,371,1443,1464]" pageId="16" pageNumber="187">E.</emphasis>
Two pairs of primary pharyngeal glands (pg) and 3 pairs of secondary pharyngeal glands (sg), juvenile specimen.
<emphasis id="8A92EA976804FFCDFEA8FA2DFEA6AF85" bold="true" box="[260,277,1473,1494]" pageId="16" pageNumber="187">F.</emphasis>
Sperm bundles in sperm sack.
<emphasis id="8A92EA976804FFCDFDF6FA2DFDDDAF84" bold="true" box="[602,622,1473,1495]" pageId="16" pageNumber="187">G.</emphasis>
Accessory copulatory glands.
<emphasis id="8A92EA976804FFCDFC01FA2DFC74AF85" bold="true" box="[941,967,1473,1494]" pageId="16" pageNumber="187">H.</emphasis>
Large atrial glands of holotype (a=atrium, its origin marked with arrow). A, E
<emphasis id="8A92EA976804FFCDFE48FA0DFD9BAFA5" box="[484,552,1505,1526]" italics="true" pageId="16" pageNumber="187">in vivo</emphasis>
, all othere micrographs from fixed, stained, and opened specimens. Scale bars 50 µm.
</paragraph>
</caption>
<paragraph id="B85936856804FFCDFF6BF9F1FA32AC65" blockId="16.[151,1437,1565,2022]" box="[199,1409,1565,1590]" pageId="16" pageNumber="187">
<emphasis id="8A92EA976804FFCDFF6BF9F1FDA0AC65" bold="true" box="[199,531,1565,1590]" pageId="16" pageNumber="187">Further material examined.</emphasis>
<specimenCount id="AEE0FD0C6804FFCDFDB6F9F2FD2AAC65" box="[538,665,1565,1590]" pageId="16" pageNumber="187" type="generic">1 specimen</specimenCount>
in 70 % ethanol from site 8 and
<specimenCount id="AEE0FD0C6804FFCDFBABF9F1FB32AC65" box="[1031,1153,1565,1590]" pageId="16" pageNumber="187" type="juvenile">5 juveniles</specimenCount>
from sites 1, 11 and 8.
</paragraph>
</subSubSection>
<subSubSection id="F0FC650E6804FFCDFF6BF9ADFBCBAC09" box="[199,1144,1601,1626]" pageId="16" pageNumber="187" type="etymology">
<paragraph id="B85936856804FFCDFF6BF9ADFBCBAC09" blockId="16.[151,1437,1565,2022]" box="[199,1144,1601,1626]" pageId="16" pageNumber="187">
<emphasis id="8A92EA976804FFCDFF6BF9ADFEFDAC09" bold="true" box="[199,334,1601,1626]" pageId="16" pageNumber="187">Etymology.</emphasis>
Named after the cup-shaped spermathecal ampulla (
<taxonomicName id="7FE64D066804FFCDFC36F9ADFC6BAC09" box="[922,984,1601,1626]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="16" pageNumber="187" phylum="Annelida" rank="species" species="calyx">calyx</taxonomicName>
= cup, Latin).
</paragraph>
</subSubSection>
<subSubSection id="F0FC650E6804FFCDFF6BF989FE3DAD92" pageId="16" pageNumber="187" type="diagnosis">
<paragraph id="B85936856804FFCDFF6BF989FE3DAD92" blockId="16.[151,1437,1565,2022]" pageId="16" pageNumber="187">
<emphasis id="8A92EA976804FFCDFF6BF989FEF2AC2D" bold="true" box="[199,321,1637,1662]" pageId="16" pageNumber="187">Diagnosis.</emphasis>
The new species can be recognized by the following combination of characters: (1) large wide worms (
<quantity id="7F1E9B606804FFCDFF5FF966FEC3ACF2" box="[243,368,1674,1698]" metricMagnitude="-2" metricUnit="m" metricValue="3.45" metricValueMax="4.2" metricValueMin="2.7" pageId="16" pageNumber="187" unit="mm" value="34.5" valueMax="42.0" valueMin="27.0">2742 mm</quantity>
long and about
<quantity id="7F1E9B606804FFCDFD86F966FD2EACF2" box="[554,669,1674,1698]" metricMagnitude="-4" metricUnit="m" metricValue="9.5" metricValueMax="10.0" metricValueMin="9.0" pageId="16" pageNumber="187" unit="mm" value="0.95" valueMax="1.0" valueMin="0.9">0.91 mm</quantity>
wide,
<emphasis id="8A92EA976804FFCDFD47F966FC8BACF2" box="[747,824,1674,1697]" italics="true" pageId="16" pageNumber="187">in vivo</emphasis>
), segments 6084; head and the body dorsally brown pigmented; (2) chaetae sigmoid, with nodulus, maximum 67 per bundle, in VIIX ventrally only 23 enlarged chaetae; (3) clitellum girdle-shaped: gland cells small, in reticulate pattern; (4) five preclitellar pairs of nephridia; (5) dorsal blood vessel from XXIIIXXV, blood light pink; (6) two pairs primary and 3 pairs secondary pharyngeal glands, not connected dorsally; (7) small lemon-shaped coelomocytes, light yellow in aggregations
<emphasis id="8A92EA976804FFCDFAB6F8F6FADAAD62" box="[1306,1385,1818,1841]" italics="true" pageId="16" pageNumber="187">in vivo</emphasis>
; (8) sperm sacks and egg sack may extend into XXX and XLI; (9), atrium long with 56 very large atrial glands, numerous accessory copulatory glands of different size extending around male pores; (10) spermathecae with long ectal ducts, projecting deeply into the cup-shaped ampullae, which have 79 diverticula; ental ducts connected with oesophagus in VVII.
</paragraph>
</subSubSection>
<subSubSection id="F0FC650E6804FFCFFF6BF821FB94A89E" lastPageId="18" lastPageNumber="189" pageId="16" pageNumber="187" type="description">
<paragraph id="B85936856804FFCCFF6BF821FE31A8FB" blockId="16.[151,1437,1565,2022]" lastBlockId="17.[151,1437,151,968]" lastPageId="17" lastPageNumber="188" pageId="16" pageNumber="187">
<emphasis id="8A92EA976804FFCDFF6BF821FEEAADB5" bold="true" box="[199,345,1997,2022]" pageId="16" pageNumber="187">Description.</emphasis>
Large enchytraeid worm. Colour light pink, dorsal side is light-brown preclitellarly, while the prostomium is dark brown by pigmentation (
<figureCitation id="20DD2A006805FFCCFD24FF7BFD79AAE3" box="[648,714,151,176]" captionStart="FIGURE 9" captionStartId="15.[151,250,1881,1903]" captionTargetBox="[178,1397,1130,1850]" captionTargetId="figure@15.[178,1409,1130,1860]" captionTargetPageId="15" captionText="FIGURE 9. Micrograph of Mesenchytraeus calyx sp. n. A B living worms, head marked with white arrows, sperm sack marked with pink arrows. C. Prostomium and segments I, II, dorsal view; prostomium brown-pigmented, head pore marked with arrow. D. Ampullae of spermathecae, marked with black arrows, ental sack marked with white arrow. E. Spermathecal diverticula with ectal duct viewed from above. F. Sperm in diverticula. A-C in vivo, D F in fixed, stained, dorsally opened worms. Scale bars in A B 1000 µm, in C F 50 µm." httpUri="https://zenodo.org/record/237096/files/figure.png" pageId="17" pageNumber="188">Fig. 9</figureCitation>
AC).
<typeStatus id="675D88276805FFCCFCB9FF7BFCCEAAE3" box="[789,893,151,176]" pageId="17" pageNumber="188" type="holotype">Holotype</typeStatus>
<quantity id="7F1E9B606805FFCCFC28FF74FC5BAAFC" box="[900,1000,152,176]" metricMagnitude="-2" metricUnit="m" metricValue="2.07" pageId="17" pageNumber="188" unit="mm" value="20.7">20.7 mm</quantity>
long, 900 µm wide at VIII and 960 µm at the clitellum, fixed, 83 segments. Body length of
<typeStatus id="675D88276805FFCCFD4BFF51FCE0AA86" box="[743,851,189,213]" pageId="17" pageNumber="188" type="paratype">paratypes</typeStatus>
<quantity id="7F1E9B606805FFCCFCF6FF50FC65AA87" box="[858,982,188,212]" metricMagnitude="-2" metricUnit="m" metricValue="3.45" metricValueMax="4.2" metricValueMin="2.7" pageId="17" pageNumber="188" unit="mm" value="34.5" valueMax="42.0" valueMin="27.0">2742 mm</quantity>
, width 8501000 µm at VIII and
<date id="CC5810456805FFCCFAFAFF50FF7CAAAB" pageId="17" pageNumber="188" value="1005" valueMax="1050">1005 1050</date>
µm at clitellum,
<emphasis id="8A92EA976805FFCCFE3AFF0CFE57AAA4" box="[406,484,224,247]" italics="true" pageId="17" pageNumber="188">in vivo</emphasis>
. Length of fixed specimens
<quantity id="7F1E9B606805FFCCFC87FF0CFC1BAAA4" box="[811,936,224,248]" metricMagnitude="-2" metricUnit="m" metricValue="2.95" metricValueMax="3.9" metricValueMin="2.0" pageId="17" pageNumber="188" unit="mm" value="29.5" valueMax="39.0" valueMin="20.0">2039 mm</quantity>
, width 9001050 µm at VIII and 9601250 µm at clitellum. Segments 6084. Strong external segmentation at body end (
<figureCitation id="20DD2A006805FFCCFB8CFEE8FBC5AB4F" box="[1056,1142,260,285]" captionStart="FIGURE 10" captionStartId="16.[151,250,1381,1403]" captionTargetBox="[180,1403,193,1350]" captionTargetId="figure@16.[180,1408,193,1360]" captionTargetPageId="16" captionText="FIGURE 10. Micrograph of Mesenchytraeus calyx sp. n. A. Head of a juvenile specimen (brain marked with black arrow, head pore marked with white arrow). B. Clitellar glands of an opened worm. C. The strongly segmented body end. D. Nephridia 26 / 27 / 28 of holotype. E. Two pairs of primary pharyngeal glands (pg) and 3 pairs of secondary pharyngeal glands (sg), juvenile specimen. F. Sperm bundles in sperm sack. G. Accessory copulatory glands. H. Large atrial glands of holotype (a = atrium, its origin marked with arrow). A, E in vivo, all othere micrographs from fixed, stained, and opened specimens. Scale bars 50 µm." httpUri="https://zenodo.org/record/237097/files/figure.png" pageId="17" pageNumber="188">Fig. 10</figureCitation>
C). Chaetae sigmoid with nodulus. Chaetal formula: 2,3,4 3,2,4,5,(6): 4,5,6,2,3 4,5,6,(7,3,2). Chaetae mostly unequal in size within the bundle: in ventral bundles a gradual increase in length towards the ventral midline and in lateral bundles increase to the dorsal direction. The length of the longest chaetae gradually increasing from II to VI (from 100 or 125
<date id="CC5810456805FFCCFAE2FE9CFA2FABDB" box="[1358,1436,368,392]" pageId="17" pageNumber="188" value="2010-10-08">x 810</date>
µm to 150170
<date id="CC5810456805FFCCFEE7FE79FE2BABFF" box="[331,408,404,428]" pageId="17" pageNumber="188" value="2010-10-09">x 910</date>
µm). From VII to XI only 3 or 2 chaetae in ventral bundles (rarely
<quantity id="7F1E9B606805FFCCFB3EFE78FB0DABFE" box="[1170,1214,404,429]" metricMagnitude="-1" metricUnit="m" metricValue="1.016" pageId="17" pageNumber="188" unit="in" value="4.0">4 in</quantity>
XI), they are larger and stronger (200240
<date id="CC5810456805FFCCFE37FE54FE46AB83" box="[411,501,439,464]" pageId="17" pageNumber="188" value="1915-10-18">x 1518</date>
µm). Chaetae of lateral bundles smaller and thinner than ventrals (about 103150
<date id="CC5810456805FFCCFA22FE54FF6EABA7" pageId="17" pageNumber="188" value="2010-10-12">x 1012</date>
µm). Postclitellarly longest chaetae measuring 150190
<date id="CC5810456805FFCCFCF5FE31FC15ABA7" box="[857,934,476,500]" pageId="17" pageNumber="188" value="2010-10-09">x 910</date>
µm. Chaetae in XII absent. Head pore at 0/I, a large transverse slit (
<figureCitation id="20DD2A006805FFCCFE3CFE13FE6DA84B" box="[400,478,511,536]" captionStart="FIGURE 9" captionStartId="15.[151,250,1881,1903]" captionTargetBox="[178,1397,1130,1850]" captionTargetId="figure@15.[178,1409,1130,1860]" captionTargetPageId="15" captionText="FIGURE 9. Micrograph of Mesenchytraeus calyx sp. n. A B living worms, head marked with white arrows, sperm sack marked with pink arrows. C. Prostomium and segments I, II, dorsal view; prostomium brown-pigmented, head pore marked with arrow. D. Ampullae of spermathecae, marked with black arrows, ental sack marked with white arrow. E. Spermathecal diverticula with ectal duct viewed from above. F. Sperm in diverticula. A-C in vivo, D F in fixed, stained, dorsally opened worms. Scale bars in A B 1000 µm, in C F 50 µm." httpUri="https://zenodo.org/record/237096/files/figure.png" pageId="17" pageNumber="188">Figs. 9</figureCitation>
C, 10A). Clitellum girdle-shaped in 1/
<date id="CC5810456805FFCCFC2CFDECFC1EA84B" box="[896,941,512,536]" pageId="17" pageNumber="188">2XI</date>
XIV, extending over 2.53 segments (up to four segments, slide No. 1149), gland cells small in reticulate pattern, also between bursal slits (
<figureCitation id="20DD2A006805FFCCFB69FDC8FA92A86F" box="[1221,1313,548,573]" captionStart="FIGURE 10" captionStartId="16.[151,250,1381,1403]" captionTargetBox="[180,1403,193,1350]" captionTargetId="figure@16.[180,1408,193,1360]" captionTargetPageId="16" captionText="FIGURE 10. Micrograph of Mesenchytraeus calyx sp. n. A. Head of a juvenile specimen (brain marked with black arrow, head pore marked with white arrow). B. Clitellar glands of an opened worm. C. The strongly segmented body end. D. Nephridia 26 / 27 / 28 of holotype. E. Two pairs of primary pharyngeal glands (pg) and 3 pairs of secondary pharyngeal glands (sg), juvenile specimen. F. Sperm bundles in sperm sack. G. Accessory copulatory glands. H. Large atrial glands of holotype (a = atrium, its origin marked with arrow). A, E in vivo, all othere micrographs from fixed, stained, and opened specimens. Scale bars 50 µm." httpUri="https://zenodo.org/record/237097/files/figure.png" pageId="17" pageNumber="188">Figs. 10</figureCitation>
B, 11B). In one case gonadal region shifted forwards by 4 segments: clitellum in 1/
<date id="CC5810456805FFCCFC65FDA4FBB1A833" box="[969,1026,584,608]" pageId="17" pageNumber="188">2VII</date>
1/
<date id="CC5810456805FFCCFB88FDA4FBFAA833" box="[1060,1097,584,608]" pageId="17" pageNumber="188">2X</date>
, bursal slits in VIII (
<typeStatus id="675D88276805FFCCFA96FDA4FA2FA833" box="[1338,1436,584,608]" pageId="17" pageNumber="188" type="paratype">paratype</typeStatus>
P.107.7 slide No. 1163a). Thickness of body wall about 80150 µm, depending on state of sexual maturity, cuticle about 12 µm, fixed.
</paragraph>
<paragraph id="B85936856805FFCCFF6BFD58FAA4A99B" blockId="17.[151,1437,151,968]" pageId="17" pageNumber="188">
Brain incised anteriorly and slightly convex posteriorly, slightly longer than wide (about 150 x 180 µm, fixed) (
<figureCitation id="20DD2A006805FFCCFF33FD3BFF5FA8A3" box="[159,236,727,752]" captionStart="FIGURE 6. F" captionStartId="11.[151,250,1880,1902]" captionTargetBox="[170,1415,199,1850]" captionTargetId="figure@11.[162,1425,193,1859]" captionTargetPageId="11" captionText="FIGURE 6. F. cusanicaformis sp. n. (A C), F. granulocyta sp. n. (D G), and Mesenchytraeus calyx sp. n. (H K). F. cusanicaformis: A. Spermathecae. B. Coelomocytes. C. Sperm funnel. F. granulocyta: D. Oesophageal appendage. E. Coelomocytes. F. Spermatheca. G. Sperm funnel. Mesenchytraeus calyx: H. Brain of adult specimen. I. Sperm bundle. J. Spermatheca. K. Male copulatory organ (a = atrium; sd = sperm duct; ag = atrial glands; acg = accessory copulatory glands)." httpUri="https://zenodo.org/record/237093/files/figure.png" pageId="17" pageNumber="188">Figs. 6</figureCitation>
H, 10A). Two pairs of primary pharyngeal glands (in 4/55/6), not united dorsally, and two or three (four in the
<typeStatus id="675D88276805FFCCFF6FFD10FE94A946" box="[195,295,764,789]" pageId="17" pageNumber="188" type="holotype">holotype</typeStatus>
) pairs of secondary pharyngeal glands in VVI or VVII (VIII); the secondary glands lobed (
<figureCitation id="20DD2A006805FFCCFAC3FD10FF07A96B" captionStart="FIGURE 10" captionStartId="16.[151,250,1381,1403]" captionTargetBox="[180,1403,193,1350]" captionTargetId="figure@16.[180,1408,193,1360]" captionTargetPageId="16" captionText="FIGURE 10. Micrograph of Mesenchytraeus calyx sp. n. A. Head of a juvenile specimen (brain marked with black arrow, head pore marked with white arrow). B. Clitellar glands of an opened worm. C. The strongly segmented body end. D. Nephridia 26 / 27 / 28 of holotype. E. Two pairs of primary pharyngeal glands (pg) and 3 pairs of secondary pharyngeal glands (sg), juvenile specimen. F. Sperm bundles in sperm sack. G. Accessory copulatory glands. H. Large atrial glands of holotype (a = atrium, its origin marked with arrow). A, E in vivo, all othere micrographs from fixed, stained, and opened specimens. Scale bars 50 µm." httpUri="https://zenodo.org/record/237097/files/figure.png" pageId="17" pageNumber="188">Fig. 10</figureCitation>
E). Yellow-brownish chloragocytes (
<figureCitation id="20DD2A006805FFCCFDE3FCF3FD21A96B" box="[591,658,799,824]" captionStart="FIGURE 9" captionStartId="15.[151,250,1881,1903]" captionTargetBox="[178,1397,1130,1850]" captionTargetId="figure@15.[178,1409,1130,1860]" captionTargetPageId="15" captionText="FIGURE 9. Micrograph of Mesenchytraeus calyx sp. n. A B living worms, head marked with white arrows, sperm sack marked with pink arrows. C. Prostomium and segments I, II, dorsal view; prostomium brown-pigmented, head pore marked with arrow. D. Ampullae of spermathecae, marked with black arrows, ental sack marked with white arrow. E. Spermathecal diverticula with ectal duct viewed from above. F. Sperm in diverticula. A-C in vivo, D F in fixed, stained, dorsally opened worms. Scale bars in A B 1000 µm, in C F 50 µm." httpUri="https://zenodo.org/record/237096/files/figure.png" pageId="17" pageNumber="188">Fig. 9</figureCitation>
A,D) from IV, about 2025 µm long, fixed. Dorsal blood vessel from XXIIIXXV, anterior bifurcation in I, blood pale reddish. Five pairs of preclitellar nephridia (
<figureCitation id="20DD2A006805FFCCFB07FCA8FB48A90F" box="[1195,1275,836,861]" captionStart="FIGURE 10" captionStartId="16.[151,250,1381,1403]" captionTargetBox="[180,1403,193,1350]" captionTargetId="figure@16.[180,1408,193,1360]" captionTargetPageId="16" captionText="FIGURE 10. Micrograph of Mesenchytraeus calyx sp. n. A. Head of a juvenile specimen (brain marked with black arrow, head pore marked with white arrow). B. Clitellar glands of an opened worm. C. The strongly segmented body end. D. Nephridia 26 / 27 / 28 of holotype. E. Two pairs of primary pharyngeal glands (pg) and 3 pairs of secondary pharyngeal glands (sg), juvenile specimen. F. Sperm bundles in sperm sack. G. Accessory copulatory glands. H. Large atrial glands of holotype (a = atrium, its origin marked with arrow). A, E in vivo, all othere micrographs from fixed, stained, and opened specimens. Scale bars 50 µm." httpUri="https://zenodo.org/record/237097/files/figure.png" pageId="17" pageNumber="188">Fig. 10</figureCitation>
D) from
<date id="CC5810456805FFCCFAF0FCA8FF6BA9D3" pageId="17" pageNumber="188" value="2011-07-06" valueMax="2011-10-06" valueMin="2011-07-06">6/7 to 10/11</date>
, anteseptale funnel only, postseptale lobed with folded canal, no interstitial tissue, efferent duct arising between the lobes. Oesophageal and intestinal appendages or diverticula absent. Coelomocytes only mucocytes, lemon-shaped, with granula, in cell aggregations light yellowish
<emphasis id="8A92EA976805FFCCFCC1FC5CFC0BA994" box="[877,952,944,967]" italics="true" pageId="17" pageNumber="188">in vivo</emphasis>
, small, size of cells 1621 µm.
</paragraph>
<caption id="EC99660D6805FFCCFF3BF903FF0CAD32" httpUri="https://zenodo.org/record/237098/files/figure.png" pageId="17" pageNumber="188" targetBox="[179,1400,1023,1748]" targetPageId="17">
<paragraph id="B85936856805FFCCFF3BF903FF0CAD32" blockId="17.[151,1436,1775,1889]" pageId="17" pageNumber="188">
<emphasis id="8A92EA976805FFCCFF3BF903FEACAD57" bold="true" box="[151,287,1775,1797]" pageId="17" pageNumber="188">FIGURE 11.</emphasis>
Micrograph of
<taxonomicName id="7FE64D066805FFCCFE6EF903FD10AD56" box="[450,675,1775,1797]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="17" pageNumber="188" phylum="Annelida" rank="species" species="calyx" status="sp. nov.">
<emphasis id="8A92EA976805FFCCFE6EF903FD10AD56" box="[450,675,1775,1797]" italics="true" pageId="17" pageNumber="188">Mesenchytraeus calyx</emphasis>
</taxonomicName>
<emphasis id="8A92EA976805FFCCFD07F903FCB5AD57" bold="true" box="[683,774,1775,1796]" pageId="17" pageNumber="188">
<taxonomicNameLabel id="91A157EC6805FFCCFD07F903FD55AD57" box="[683,742,1775,1796]" pageId="17" pageNumber="188" rank="species">sp. n.</taxonomicNameLabel>
A.
</emphasis>
Everted bursa (a=atrium, ag=atrial glands, accessory copulatory glands marked with arrows).
<emphasis id="8A92EA976805FFCCFE7CF8E2FE54AD70" bold="true" box="[464,487,1806,1827]" pageId="17" pageNumber="188">B.</emphasis>
Bursal slit.
<emphasis id="8A92EA976805FFCCFDC2F8E1FD35AD70" bold="true" box="[622,646,1805,1827]" pageId="17" pageNumber="188">C.</emphasis>
Sperm funnel.
<emphasis id="8A92EA976805FFCCFC83F8E2FCECAD70" bold="true" box="[815,863,1806,1827]" pageId="17" pageNumber="188">DE</emphasis>
Spermathecae (diverticula marked with black arrows, ampullae marked with white arrows, d= ectal duct in ampulla).
<emphasis id="8A92EA976805FFCCFCB8F8C0FC96AD12" bold="true" box="[788,805,1836,1857]" pageId="17" pageNumber="188">F.</emphasis>
Spermathecal ectal pore, a wavy transverse gap. Scale bars 50 µm.
</paragraph>
</caption>
<paragraph id="B85936856805FFCFFF6BF862FB94A89E" blockId="17.[151,1437,1933,2030]" lastBlockId="18.[151,1437,151,1472]" lastPageId="18" lastPageNumber="189" pageId="17" pageNumber="188">
Sperm sac (
<figureCitation id="20DD2A006805FFCCFEFFF861FE2AADF5" box="[339,409,1933,1958]" captionStart="FIGURE 9" captionStartId="15.[151,250,1881,1903]" captionTargetBox="[178,1397,1130,1850]" captionTargetId="figure@15.[178,1409,1130,1860]" captionTargetPageId="15" captionText="FIGURE 9. Micrograph of Mesenchytraeus calyx sp. n. A B living worms, head marked with white arrows, sperm sack marked with pink arrows. C. Prostomium and segments I, II, dorsal view; prostomium brown-pigmented, head pore marked with arrow. D. Ampullae of spermathecae, marked with black arrows, ental sack marked with white arrow. E. Spermathecal diverticula with ectal duct viewed from above. F. Sperm in diverticula. A-C in vivo, D F in fixed, stained, dorsally opened worms. Scale bars in A B 1000 µm, in C F 50 µm." httpUri="https://zenodo.org/record/237096/files/figure.png" pageId="17" pageNumber="188">Fig. 9</figureCitation>
A,B) extending backwards to XXIIXXX, egg sack to XXVXLI. In sperm sack many sperm bundles (
<figureCitation id="20DD2A006805FFCCFEE6F85DFE2FAD99" box="[330,412,1969,1994]" captionStart="FIGURE 10" captionStartId="16.[151,250,1381,1403]" captionTargetBox="[180,1403,193,1350]" captionTargetId="figure@16.[180,1408,193,1360]" captionTargetPageId="16" captionText="FIGURE 10. Micrograph of Mesenchytraeus calyx sp. n. A. Head of a juvenile specimen (brain marked with black arrow, head pore marked with white arrow). B. Clitellar glands of an opened worm. C. The strongly segmented body end. D. Nephridia 26 / 27 / 28 of holotype. E. Two pairs of primary pharyngeal glands (pg) and 3 pairs of secondary pharyngeal glands (sg), juvenile specimen. F. Sperm bundles in sperm sack. G. Accessory copulatory glands. H. Large atrial glands of holotype (a = atrium, its origin marked with arrow). A, E in vivo, all othere micrographs from fixed, stained, and opened specimens. Scale bars 50 µm." httpUri="https://zenodo.org/record/237097/files/figure.png" pageId="17" pageNumber="188">Fig. 10</figureCitation>
F), about 88110 µm long, with spermatozoal heads at one end, 2630 µm long and 2328 µm wide (
<figureCitation id="20DD2A006805FFCCFEA3F839FEE5ADBD" box="[271,342,2005,2030]" captionStart="FIGURE 6. F" captionStartId="11.[151,250,1880,1902]" captionTargetBox="[170,1415,199,1850]" captionTargetId="figure@11.[162,1425,193,1859]" captionTargetPageId="11" captionText="FIGURE 6. F. cusanicaformis sp. n. (A C), F. granulocyta sp. n. (D G), and Mesenchytraeus calyx sp. n. (H K). F. cusanicaformis: A. Spermathecae. B. Coelomocytes. C. Sperm funnel. F. granulocyta: D. Oesophageal appendage. E. Coelomocytes. F. Spermatheca. G. Sperm funnel. Mesenchytraeus calyx: H. Brain of adult specimen. I. Sperm bundle. J. Spermatheca. K. Male copulatory organ (a = atrium; sd = sperm duct; ag = atrial glands; acg = accessory copulatory glands)." httpUri="https://zenodo.org/record/237093/files/figure.png" pageId="17" pageNumber="188">
Fig.
<date id="CC5810456805FFCCFEEAF839FEE5ADBD" box="[326,342,2005,2030]" pageId="17" pageNumber="188">6</date>
</figureCitation>
I). Sperm funnel thick-walled, about 500600 µm long and 2 times as long as wide, fixed, the collar widely opened and bending outwards (
<figureCitation id="20DD2A006806FFCFFD3CFF7BFD6CAAE3" box="[656,735,151,176]" captionStart="FIGURE 11" captionStartId="17.[151,250,1775,1797]" captionTargetBox="[179,1400,1023,1748]" captionTargetId="figure@17.[179,1407,1023,1753]" captionTargetPageId="17" captionText="FIGURE 11. Micrograph of Mesenchytraeus calyx sp. n. A. Everted bursa (a = atrium, ag = atrial glands, accessory copulatory glands marked with arrows). B. Bursal slit. C. Sperm funnel. D E Spermathecae (diverticula marked with black arrows, ampullae marked with white arrows, d = ectal duct in ampulla). F. Spermathecal ectal pore, a wavy transverse gap. Scale bars 50 µm." httpUri="https://zenodo.org/record/237098/files/figure.png" pageId="18" pageNumber="189">Fig. 11</figureCitation>
C), often longer on side. Sperm duct very long, reaching as far as XVXVII, loosely coiled, diameter 3540 µm, fixed; diamaeter gradually increasing towards atrium. Maximum width of atrium 90120 µm, here joined by 56 very large atrial glands (prostate glands), usually 250350 µm long, up to 600700 µm (
<figureCitation id="20DD2A006806FFCFFE15FEE8FDB4AB4E" box="[441,519,260,285]" captionStart="FIGURE 6. F" captionStartId="11.[151,250,1880,1902]" captionTargetBox="[170,1415,199,1850]" captionTargetId="figure@11.[162,1425,193,1859]" captionTargetPageId="11" captionText="FIGURE 6. F. cusanicaformis sp. n. (A C), F. granulocyta sp. n. (D G), and Mesenchytraeus calyx sp. n. (H K). F. cusanicaformis: A. Spermathecae. B. Coelomocytes. C. Sperm funnel. F. granulocyta: D. Oesophageal appendage. E. Coelomocytes. F. Spermatheca. G. Sperm funnel. Mesenchytraeus calyx: H. Brain of adult specimen. I. Sperm bundle. J. Spermatheca. K. Male copulatory organ (a = atrium; sd = sperm duct; ag = atrial glands; acg = accessory copulatory glands)." httpUri="https://zenodo.org/record/237093/files/figure.png" pageId="18" pageNumber="189">Figs. 6</figureCitation>
K, 10H, 11A). The atrium connects through a duct (120210 µm long and 4045 µm wide, fixed) with the male copulatory organ, which is surrounded by many accessory copulatory glands of different size (
<figureCitation id="20DD2A006806FFCFFE97FEA0FE3AAB36" box="[315,393,332,357]" captionStart="FIGURE 6. F" captionStartId="11.[151,250,1880,1902]" captionTargetBox="[170,1415,199,1850]" captionTargetId="figure@11.[162,1425,193,1859]" captionTargetPageId="11" captionText="FIGURE 6. F. cusanicaformis sp. n. (A C), F. granulocyta sp. n. (D G), and Mesenchytraeus calyx sp. n. (H K). F. cusanicaformis: A. Spermathecae. B. Coelomocytes. C. Sperm funnel. F. granulocyta: D. Oesophageal appendage. E. Coelomocytes. F. Spermatheca. G. Sperm funnel. Mesenchytraeus calyx: H. Brain of adult specimen. I. Sperm bundle. J. Spermatheca. K. Male copulatory organ (a = atrium; sd = sperm duct; ag = atrial glands; acg = accessory copulatory glands)." httpUri="https://zenodo.org/record/237093/files/figure.png" pageId="18" pageNumber="189">Figs. 6</figureCitation>
K, 10G, 11A). The everted bursa may be remarkable (
<figureCitation id="20DD2A006806FFCFFC40FEA0FB8FAB37" box="[1004,1084,332,357]" captionStart="FIGURE 11" captionStartId="17.[151,250,1775,1797]" captionTargetBox="[179,1400,1023,1748]" captionTargetId="figure@17.[179,1407,1023,1753]" captionTargetPageId="17" captionText="FIGURE 11. Micrograph of Mesenchytraeus calyx sp. n. A. Everted bursa (a = atrium, ag = atrial glands, accessory copulatory glands marked with arrows). B. Bursal slit. C. Sperm funnel. D E Spermathecae (diverticula marked with black arrows, ampullae marked with white arrows, d = ectal duct in ampulla). F. Spermathecal ectal pore, a wavy transverse gap. Scale bars 50 µm." httpUri="https://zenodo.org/record/237098/files/figure.png" pageId="18" pageNumber="189">Fig. 11</figureCitation>
A). Bursal slits large, irregular, transversal, in XII (
<figureCitation id="20DD2A006806FFCFFEDCFE83FE73ABDB" box="[368,448,367,392]" captionStart="FIGURE 11" captionStartId="17.[151,250,1775,1797]" captionTargetBox="[179,1400,1023,1748]" captionTargetId="figure@17.[179,1407,1023,1753]" captionTargetPageId="17" captionText="FIGURE 11. Micrograph of Mesenchytraeus calyx sp. n. A. Everted bursa (a = atrium, ag = atrial glands, accessory copulatory glands marked with arrows). B. Bursal slit. C. Sperm funnel. D E Spermathecae (diverticula marked with black arrows, ampullae marked with white arrows, d = ectal duct in ampulla). F. Spermathecal ectal pore, a wavy transverse gap. Scale bars 50 µm." httpUri="https://zenodo.org/record/237098/files/figure.png" pageId="18" pageNumber="189">Fig. 11</figureCitation>
B). Subneural glands absent. Spermathecae (
<figureCitation id="20DD2A006806FFCFFC1DFE83FC4CABDB" box="[945,1023,367,392]" captionStart="FIGURE 6. F" captionStartId="11.[151,250,1880,1902]" captionTargetBox="[170,1415,199,1850]" captionTargetId="figure@11.[162,1425,193,1859]" captionTargetPageId="11" captionText="FIGURE 6. F. cusanicaformis sp. n. (A C), F. granulocyta sp. n. (D G), and Mesenchytraeus calyx sp. n. (H K). F. cusanicaformis: A. Spermathecae. B. Coelomocytes. C. Sperm funnel. F. granulocyta: D. Oesophageal appendage. E. Coelomocytes. F. Spermatheca. G. Sperm funnel. Mesenchytraeus calyx: H. Brain of adult specimen. I. Sperm bundle. J. Spermatheca. K. Male copulatory organ (a = atrium; sd = sperm duct; ag = atrial glands; acg = accessory copulatory glands)." httpUri="https://zenodo.org/record/237093/files/figure.png" pageId="18" pageNumber="189">Figs. 6</figureCitation>
J, 9D, 11D,E): ectal ducts long (400 820 µm long and 4065 µm wide), devoid of glands. Spermathecal pores in 4/
<quantity id="7F1E9B606806FFCFFBE5FE78FBC4ABFE" box="[1097,1143,404,429]" metricMagnitude="-1" metricUnit="m" metricValue="1.27" pageId="18" pageNumber="189" unit="in" value="5.0">5 in</quantity>
lateral position as wavy transverse gaps (
<figureCitation id="20DD2A006806FFCFFEFDFE5BFE13AB83" box="[337,416,439,464]" captionStart="FIGURE 11" captionStartId="17.[151,250,1775,1797]" captionTargetBox="[179,1400,1023,1748]" captionTargetId="figure@17.[179,1407,1023,1753]" captionTargetPageId="17" captionText="FIGURE 11. Micrograph of Mesenchytraeus calyx sp. n. A. Everted bursa (a = atrium, ag = atrial glands, accessory copulatory glands marked with arrows). B. Bursal slit. C. Sperm funnel. D E Spermathecae (diverticula marked with black arrows, ampullae marked with white arrows, d = ectal duct in ampulla). F. Spermathecal ectal pore, a wavy transverse gap. Scale bars 50 µm." httpUri="https://zenodo.org/record/237098/files/figure.png" pageId="18" pageNumber="189">Fig. 11</figureCitation>
F). Ampullae mostly in VI but sometimes in V or VII. Lengths of ectal ducts often unequal, e.g. when one ampulla lies in V and the other one in VI or VII. Ducts projecting deeply into the cup-shaped ampullae (their length inside ampulla 150200 µm, width at the end about 50 µm) (
<figureCitation id="20DD2A006806FFCFFBE8FE13FB20A84B" box="[1092,1171,511,536]" captionStart="FIGURE 6. F" captionStartId="11.[151,250,1880,1902]" captionTargetBox="[170,1415,199,1850]" captionTargetId="figure@11.[162,1425,193,1859]" captionTargetPageId="11" captionText="FIGURE 6. F. cusanicaformis sp. n. (A C), F. granulocyta sp. n. (D G), and Mesenchytraeus calyx sp. n. (H K). F. cusanicaformis: A. Spermathecae. B. Coelomocytes. C. Sperm funnel. F. granulocyta: D. Oesophageal appendage. E. Coelomocytes. F. Spermatheca. G. Sperm funnel. Mesenchytraeus calyx: H. Brain of adult specimen. I. Sperm bundle. J. Spermatheca. K. Male copulatory organ (a = atrium; sd = sperm duct; ag = atrial glands; acg = accessory copulatory glands)." httpUri="https://zenodo.org/record/237093/files/figure.png" pageId="18" pageNumber="189">Figs. 6</figureCitation>
J, 11E). Ampullae 250 350 µm long, 200260 µm wide. Ectal end of ampullae with an ectally oriented collar of about 79 pointed diverticula of various length (100200 µm) (
<figureCitation id="20DD2A006806FFCFFD0AFDABFD4AA833" box="[678,761,583,608]" captionStart="FIGURE 6. F" captionStartId="11.[151,250,1880,1902]" captionTargetBox="[170,1415,199,1850]" captionTargetId="figure@11.[162,1425,193,1859]" captionTargetPageId="11" captionText="FIGURE 6. F. cusanicaformis sp. n. (A C), F. granulocyta sp. n. (D G), and Mesenchytraeus calyx sp. n. (H K). F. cusanicaformis: A. Spermathecae. B. Coelomocytes. C. Sperm funnel. F. granulocyta: D. Oesophageal appendage. E. Coelomocytes. F. Spermatheca. G. Sperm funnel. Mesenchytraeus calyx: H. Brain of adult specimen. I. Sperm bundle. J. Spermatheca. K. Male copulatory organ (a = atrium; sd = sperm duct; ag = atrial glands; acg = accessory copulatory glands)." httpUri="https://zenodo.org/record/237093/files/figure.png" pageId="18" pageNumber="189">Figs. 6</figureCitation>
J, 11D,E). In one case (slide No. 1155) we can see these diverticula from above and count the number of diverticula (
<figureCitation id="20DD2A006806FFCFFCE9FD80FC30A8D7" box="[837,899,620,645]" captionStart="FIGURE 9" captionStartId="15.[151,250,1881,1903]" captionTargetBox="[178,1397,1130,1850]" captionTargetId="figure@15.[178,1409,1130,1860]" captionTargetPageId="15" captionText="FIGURE 9. Micrograph of Mesenchytraeus calyx sp. n. A B living worms, head marked with white arrows, sperm sack marked with pink arrows. C. Prostomium and segments I, II, dorsal view; prostomium brown-pigmented, head pore marked with arrow. D. Ampullae of spermathecae, marked with black arrows, ental sack marked with white arrow. E. Spermathecal diverticula with ectal duct viewed from above. F. Sperm in diverticula. A-C in vivo, D F in fixed, stained, dorsally opened worms. Scale bars in A B 1000 µm, in C F 50 µm." httpUri="https://zenodo.org/record/237096/files/figure.png" pageId="18" pageNumber="189">Fig 9</figureCitation>
E). Spermatozoa appear to be hanging out from the wall of diverticula (
<figureCitation id="20DD2A006806FFCFFE31FD63FE52A8FB" box="[413,481,655,680]" captionStart="FIGURE 9" captionStartId="15.[151,250,1881,1903]" captionTargetBox="[178,1397,1130,1850]" captionTargetId="figure@15.[178,1409,1130,1860]" captionTargetPageId="15" captionText="FIGURE 9. Micrograph of Mesenchytraeus calyx sp. n. A B living worms, head marked with white arrows, sperm sack marked with pink arrows. C. Prostomium and segments I, II, dorsal view; prostomium brown-pigmented, head pore marked with arrow. D. Ampullae of spermathecae, marked with black arrows, ental sack marked with white arrow. E. Spermathecal diverticula with ectal duct viewed from above. F. Sperm in diverticula. A-C in vivo, D F in fixed, stained, dorsally opened worms. Scale bars in A B 1000 µm, in C F 50 µm." httpUri="https://zenodo.org/record/237096/files/figure.png" pageId="18" pageNumber="189">Fig. 9</figureCitation>
F). Ampullae continuing entally into a flexible elongate bag which ends in VI or VII, here apparently connected to the oesophagus. Eggsack with submature eggs only.
</paragraph>
</subSubSection>
<subSubSection id="F0FC650E6806FFCFFF6BFD3BFC44AF93" pageId="18" pageNumber="189" type="distribution">
<paragraph id="B85936856806FFCFFF6BFD3BFBA3A90E" blockId="18.[151,1437,151,1472]" pageId="18" pageNumber="189">
<emphasis id="8A92EA976806FFCFFF6BFD3BFE4CA8A3" bold="true" box="[199,511,727,752]" pageId="18" pageNumber="189">Distribution and habitat.</emphasis>
In
<collectingCountry id="C0F176156806FFCFFD9FFD34FDC4A8BC" box="[563,631,728,751]" name="South Korea" pageId="18" pageNumber="189">Korea</collectingCountry>
site 1: College of Agriculture &amp; Life Science, Chonbuk National University, Jeonju-si, Jeollabuk-do,
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<geoCoordinate id="DDD250426806FFCFFD4FFD10FC34A946" box="[739,903,764,789]" direction="east" orientation="longitude" pageId="18" pageNumber="189" precision="1" value="127.13233">127º07'56.4&quot;E</geoCoordinate>
,
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asl, woodland; site 8: Mt. Cheontae, Yeongdong-gun, Cheungcheongnam-do
<geoCoordinate id="DDD250426806FFCFFDCEFCF3FD4BA96B" box="[610,760,799,824]" direction="north" orientation="latitude" pageId="18" pageNumber="189" precision="1" value="36.15828">36º09'29.8&quot;N</geoCoordinate>
<geoCoordinate id="DDD250426806FFCFFCADFCF3FC16A96B" box="[769,933,799,824]" direction="east" orientation="longitude" pageId="18" pageNumber="189" precision="1" value="127.61383">127º36'49.8&quot;E</geoCoordinate>
,
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asl, forest; site 11: Sulchon-myeon, Muju-gun, Jeollabuk-do,
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<geoCoordinate id="DDD250426806FFCFFDFDFCA8FD47A90E" box="[593,756,836,861]" direction="east" orientation="longitude" pageId="18" pageNumber="189" precision="1" value="127.84634">127º50'46.8&quot;E</geoCoordinate>
,
<quantity id="7F1E9B606806FFCFFCACFCA8FCF4A90F" box="[768,839,836,861]" metricMagnitude="2" metricUnit="m" metricValue="5.4399999999999995" pageId="18" pageNumber="189" unit="m" value="544.0">544 m</quantity>
asl, mixed forest.
</paragraph>
<paragraph id="B85936856806FFCFFF6BFC8BFC44AF93" blockId="18.[151,1437,151,1472]" pageId="18" pageNumber="189">
<emphasis id="8A92EA976806FFCFFF6BFC8BFE7CA9D3" bold="true" box="[199,463,871,896]" pageId="18" pageNumber="189">Differential diagnosis.</emphasis>
Up to now, seven valid species of
<taxonomicName id="7FE64D066806FFCFFCCEFC84FBABA9D3" box="[866,1048,872,896]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="genus">
<emphasis id="8A92EA976806FFCFFCCEFC84FBABA9D3" box="[866,1048,872,896]" italics="true" pageId="18" pageNumber="189">Mesenchytraeus</emphasis>
</taxonomicName>
have been reported with enlarged ventral chaetae:
<taxonomicName id="7FE64D066806FFCFFEE3FC61FC90A9F7" authority="Timm &amp; Popchenko, 1978" authorityName="Timm &amp; Popchenko" authorityYear="1978" box="[335,803,908,933]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="tetrapodus">
<emphasis id="8A92EA976806FFCFFEE3FC61FE5EA9F7" box="[335,493,908,932]" italics="true" pageId="18" pageNumber="189">M. tetrapodus</emphasis>
<bibRefCitation id="DC774B746806FFCFFE59FC60FC90A9F7" author="Timm" box="[501,803,908,933]" pageId="18" pageNumber="189" refString="Timm, T. &amp; Popchenko, V. (1978) The aquatic Oligochaeta of the Murmansk Region. Hydrobiological Researches, 7, 71 - 132. [in Russian with English abstract]" type="journal article" year="1978">Timm &amp; Popchenko, 1978</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="7FE64D066806FFCFFC83FC61FBE4A9F7" authority="Timm, 1994" authorityName="Timm" authorityYear="1994" box="[815,1111,908,933]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="crenobius">
<emphasis id="8A92EA976806FFCFFC83FC61FC71A9F7" box="[815,962,908,932]" italics="true" pageId="18" pageNumber="189">M. crenobius</emphasis>
<bibRefCitation id="DC774B746806FFCFFC66FC60FBE4A9F7" author="Timm" box="[970,1111,908,933]" pageId="18" pageNumber="189" refString="Timm, T. (1994) Propappidae and aquatic Enchytraeidae (Oligochaeta) from the farthest southeast of Russia. Hydrobiologia, 278, 67 - 78." type="journal article" year="1994">Timm, 1994</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="7FE64D066806FFCFFBCFFC61FF4EA99B" authority="Piper et al., 1982" authorityName="Piper et al." authorityYear="1982" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="kontrimavichusi">
<emphasis id="8A92EA976806FFCFFBCFFC61FA8EA9F7" box="[1123,1341,908,932]" italics="true" pageId="18" pageNumber="189">M. kontrimavichusi</emphasis>
<bibRefCitation id="DC774B746806FFCFFAE9FC60FF4EA99B" author="Piper" pageId="18" pageNumber="189" refString="Piper, S. R., MacLean, S. F. &amp; Christensen, B. (1982) Enchytraeidae (Oligochaeta) from taiga and tundra habitats of northeastern U. S. S. R. Canadian Journal of Zoology, 60, 2594 - 2609." type="journal article" year="1982">
Piper
<emphasis id="8A92EA976806FFCFFA24FC61FF07A99B" italics="true" pageId="18" pageNumber="189">et al.</emphasis>
, 1982
</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="7FE64D066806FFCFFEA7FC5DFD82A99B" authority="Xie, 2012" authorityName="Xie" authorityYear="2012" box="[267,561,943,968]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="gigachaetus">
<emphasis id="8A92EA976806FFCFFEA7FC5DFE0BA99B" box="[267,440,944,968]" italics="true" pageId="18" pageNumber="189">M. gigachaetus</emphasis>
Xie, 2012
</taxonomicName>
(a replacement name for
<taxonomicName id="7FE64D066806FFCFFCFBFC5DFB6EA99B" authority="Shen et al., 2011" authorityName="Shen et al." authorityYear="2011" box="[855,1245,943,968]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="megachaetus">
<emphasis id="8A92EA976806FFCFFCFBFC5DFBA3A99B" box="[855,1040,944,968]" italics="true" pageId="18" pageNumber="189">M. megachaetus</emphasis>
<bibRefCitation id="DC774B746806FFCFFBB5FC43FB6EA99B" author="Shen" box="[1049,1245,943,968]" pageId="18" pageNumber="189" refString="Shen, Q., Chen, J. &amp; Xie, Z. C. (2011) Mesenchytraeus megachaetus, a new enchytraeid with enlarged ventral chaetae (Annelida, Clitellata) from Changbaishan Mountain, China. Proceedings of the Biological Society of Washington, 124, 127 - 133. http: // dx. doi. org / 10.2988 / 11 - 01.1" type="journal article" year="2011">
Shen
<emphasis id="8A92EA976806FFCFFBF6FC5DFB20A99B" box="[1114,1171,944,968]" italics="true" pageId="18" pageNumber="189">et al.</emphasis>
, 2011
</bibRefCitation>
</taxonomicName>
),
<taxonomicName id="7FE64D066806FFCFFB5EFC5DFD94A9BF" authority="Christensen &amp; Dozsa-Farkas, 2012" authorityName="Christensen &amp; Dozsa-Farkas" authorityYear="2012" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="longiductus">
<emphasis id="8A92EA976806FFCFFB5EFC5DFA2FA99B" box="[1266,1436,944,968]" italics="true" pageId="18" pageNumber="189">M. longiductus</emphasis>
<bibRefCitation id="DC774B746806FFCFFF3BFC38FD94A9BF" author="Christensen" box="[151,551,980,1005]" pageId="18" pageNumber="189" refString="Christensen, B. &amp; Dozsa-Farkas, K. (2012) A new genus Globulidrilus and three new enchytraeid species (Oligochaeta: Enchytraeidae) from Seoraksan National Park (Korea). Journal of Natural History, 46, 2769 - 2785. http: // dx. doi. org / 10.1080 / 00222933.2012.737038" type="journal article" year="2012">Christensen &amp; Dózsa-Farkas, 2012</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="7FE64D066806FFCFFD98FC39FBB3A9BF" authority="Shen et al., 2012" authorityName="Shen et al." authorityYear="2012" box="[564,1024,980,1005]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="anisodiverticulatus">
<emphasis id="8A92EA976806FFCFFD98FC39FC81A9BF" box="[564,818,980,1004]" italics="true" pageId="18" pageNumber="189">M. anisodiverticulatus</emphasis>
Shen
<emphasis id="8A92EA976806FFCFFCD0FC39FC06A9BF" box="[892,949,980,1004]" italics="true" pageId="18" pageNumber="189">et al.</emphasis>
, 2012
</taxonomicName>
, and
<taxonomicName id="7FE64D066806FFCFFB92FC39FEB3AE43" authority="Shen et al., 2012" authorityName="Shen et al." authorityYear="2012" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="monodiverticulatus">
<emphasis id="8A92EA976806FFCFFB92FC39FA8EA9BF" box="[1086,1341,980,1004]" italics="true" pageId="18" pageNumber="189">M. monodiverticulatus</emphasis>
Shen
<emphasis id="8A92EA976806FFCFFA24FC39FF07AE43" italics="true" pageId="18" pageNumber="189">et al.</emphasis>
, 2012
</taxonomicName>
. The main differences between these species and the new species are as follows:
<taxonomicName id="7FE64D066806FFCFFB09FC15FA32AE43" box="[1189,1409,1016,1040]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="kontrimavichusi">
<emphasis id="8A92EA976806FFCFFB09FC15FA32AE43" box="[1189,1409,1016,1040]" italics="true" pageId="18" pageNumber="189">M. kontrimavichusi</emphasis>
</taxonomicName>
is smaller (
<quantity id="7F1E9B606806FFCFFF53FBF0FEE6AE67" box="[255,341,1052,1076]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="18" pageNumber="189" unit="mm" value="12.0">12 mm</quantity>
long, 53 segments), spermathecae have one diverticulum each, and there is no atrium;
<taxonomicName id="7FE64D066806FFCFFAD1FBF1FEB7AE0B" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="crenobius">
<emphasis id="8A92EA976806FFCFFAD1FBF1FEB7AE0B" italics="true" pageId="18" pageNumber="189">M. crenobius</emphasis>
</taxonomicName>
has two spermathecal diverticula and the dorsal blood vessel origin in the clitellar region.
<taxonomicName id="7FE64D066806FFCFFB52FBADFA2FAE0B" box="[1278,1436,1088,1112]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="tetrapodus">
<emphasis id="8A92EA976806FFCFFB52FBADFA2FAE0B" box="[1278,1436,1088,1112]" italics="true" pageId="18" pageNumber="189">M. tetrapodus</emphasis>
</taxonomicName>
has only one enlarged chaeta per ventral bundle, six pairs of preclitellar nephridia and the spermathecae attached to the oesophagus in IXX;
<taxonomicName id="7FE64D066806FFCFFE16FB65FDD4AEF3" box="[442,615,1160,1184]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="gigachaetus">
<emphasis id="8A92EA976806FFCFFE16FB65FDD4AEF3" box="[442,615,1160,1184]" italics="true" pageId="18" pageNumber="189">M. gigachaetus</emphasis>
</taxonomicName>
is smaller (
<quantity id="7F1E9B606806FFCFFD42FB64FCDAAEF3" box="[750,873,1160,1184]" metricMagnitude="-2" metricUnit="m" metricValue="1.15" metricValueMax="1.3" metricValueMin="1.0" pageId="18" pageNumber="189" unit="mm" value="11.5" valueMax="13.0" valueMin="10.0">1013 mm</quantity>
long, 3150 segments) and without atrial glands; the spermathecae of
<taxonomicName id="7FE64D066806FFCFFED0FB41FDCBAE97" box="[380,632,1196,1220]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="anisodiverticulatus">
<emphasis id="8A92EA976806FFCFFED0FB41FDCBAE97" box="[380,632,1196,1220]" italics="true" pageId="18" pageNumber="189">M. anisodiverticulatus</emphasis>
</taxonomicName>
have two asymmetrical diverticula with short ental ducts attached to the oesophagus in V, and atrial glands are absent;
<taxonomicName id="7FE64D066806FFCFFD0AFB3DFC17AEBB" box="[678,932,1232,1256]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="monodiverticulatus">
<emphasis id="8A92EA976806FFCFFD0AFB3DFC17AEBB" box="[678,932,1232,1256]" italics="true" pageId="18" pageNumber="189">M. monodiverticulatus</emphasis>
</taxonomicName>
is smaller (
<quantity id="7F1E9B606806FFCFFB87FB23FB29AEBB" box="[1067,1178,1231,1256]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" metricValueMax="10.0" metricValueMin="6.0" pageId="18" pageNumber="189" unit="mm" value="8.0" valueMax="10.0" valueMin="6.0">610 mm</quantity>
, 3958 segments), has more (45) enlarged chaetae in VVI, one spermathecal diverticulum, and no atrial glands.
<taxonomicName id="7FE64D066806FFCFFB7DFB19FACDAF5F" box="[1233,1406,1268,1292]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="longiductus">
<emphasis id="8A92EA976806FFCFFB7DFB19FACDAF5F" box="[1233,1406,1268,1292]" italics="true" pageId="18" pageNumber="189">M. longiductus</emphasis>
</taxonomicName>
is smaller (
<quantity id="7F1E9B606806FFCFFF57FAFBFECCAF63" box="[251,383,1303,1328]" metricMagnitude="-2" metricUnit="m" metricValue="1.125" metricValueMax="1.5" metricValueMin="0.75" pageId="18" pageNumber="189" unit="mm" value="11.25" valueMax="15.0" valueMin="7.5">7.515 mm</quantity>
long, 48-55 segments), spermathecae are onion-shaped devoid of diverticula, and there are only two large atrial glands (
<bibRefCitation id="DC774B746806FFCFFE78FAD0FDEFAF07" author="Timm" box="[468,604,1340,1365]" pageId="18" pageNumber="189" refString="Timm, T. (1994) Propappidae and aquatic Enchytraeidae (Oligochaeta) from the farthest southeast of Russia. Hydrobiologia, 278, 67 - 78." type="journal article" year="1994">Timm 1994</bibRefCitation>
;
<bibRefCitation id="DC774B746806FFCFFDCBFAD0FC38AF07" author="Timm" box="[615,907,1340,1365]" pageId="18" pageNumber="189" refString="Timm, T. &amp; Popchenko, V. (1978) The aquatic Oligochaeta of the Murmansk Region. Hydrobiological Researches, 7, 71 - 132. [in Russian with English abstract]" type="journal article" year="1978">Timm &amp; Popchenko 1978</bibRefCitation>
;
<bibRefCitation id="DC774B746806FFCFFC3AFAD0FBE2AF07" author="Piper" box="[918,1105,1340,1365]" pageId="18" pageNumber="189" refString="Piper, S. R., MacLean, S. F. &amp; Christensen, B. (1982) Enchytraeidae (Oligochaeta) from taiga and tundra habitats of northeastern U. S. S. R. Canadian Journal of Zoology, 60, 2594 - 2609." type="journal article" year="1982">
Piper
<emphasis id="8A92EA976806FFCFFC7BFAD1FBBBAF07" box="[983,1032,1340,1364]" italics="true" pageId="18" pageNumber="189">et al</emphasis>
. 1982
</bibRefCitation>
;
<bibRefCitation id="DC774B746806FFCFFBF7FAD0FF60AF2B" author="Christensen" pageId="18" pageNumber="189" refString="Christensen, B. &amp; Dozsa-Farkas, K. (2012) A new genus Globulidrilus and three new enchytraeid species (Oligochaeta: Enchytraeidae) from Seoraksan National Park (Korea). Journal of Natural History, 46, 2769 - 2785. http: // dx. doi. org / 10.1080 / 00222933.2012.737038" type="journal article" year="2012">Christensen &amp; Dózsa-Farkas 2012</bibRefCitation>
;
<bibRefCitation id="DC774B746806FFCFFF73FAB3FE28AF2B" author="Shen" box="[223,411,1375,1400]" pageId="18" pageNumber="189" refString="Shen, Q., Chen, J. &amp; Xie, Z. C. (2011) Mesenchytraeus megachaetus, a new enchytraeid with enlarged ventral chaetae (Annelida, Clitellata) from Changbaishan Mountain, China. Proceedings of the Biological Society of Washington, 124, 127 - 133. http: // dx. doi. org / 10.2988 / 11 - 01.1" type="journal article" year="2011">
Shen
<emphasis id="8A92EA976806FFCFFEB3FA8DFEEAAF2B" box="[287,345,1376,1400]" italics="true" pageId="18" pageNumber="189">et al.</emphasis>
2011
</bibRefCitation>
,
<bibRefCitation id="DC774B746806FFCFFE0BFAB3FE41AF2B" author="Shen" box="[423,498,1375,1400]" pageId="18" pageNumber="189" refString="Shen, Q., Chen, J. &amp; Xie, Z. (2012 a) Mesenchytraeus anisodiverticulus, a new enchytraeid with enlarged ventral chaetae (Annelida, Clitellata) from north-eastern China, Italian Journal of Zoology, 79 (1), 86 - 91. http: // dx. doi. org / 10.1080 / 11250003.2011.620638" type="journal article" year="2012" yearSuffix="a">2012a</bibRefCitation>
,
<bibRefCitation id="DC774B746806FFCFFE5AFAB3FDB6AF2B" author="Shen" box="[502,517,1375,1400]" pageId="18" pageNumber="189" refString="Shen, Q., Chen, J. &amp; Xie, Z. (2012 b) Mesenchytraeus monodiverticulatus sp. nov. (Annelida; Clitellata: Enchytraeidae) from Changbai Mointain, with a key to Mesenchytraeus with enlarged chaetae. Proceeding of the Biological Society of Washington, 125 (3), 215 - 227. http: // dx. doi. org / 10.2988 / 12 - 08.1" type="journal article" year="2012" yearSuffix="b">b</bibRefCitation>
; Xie 2012). The spermathecae of
<taxonomicName id="7FE64D066806FFCFFC2BFA8DFB12AF2B" authority="Eisen, 1878" authorityName="Eisen" authorityYear="1878" box="[903,1185,1375,1400]" class="Clitellata" family="Enchytraeidae" genus="Mesenchytraeus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="189" phylum="Annelida" rank="species" species="mirabilis">
<emphasis id="8A92EA976806FFCFFC2BFA8DFBA1AF2B" box="[903,1042,1376,1400]" italics="true" pageId="18" pageNumber="189">M. mirabilis</emphasis>
<bibRefCitation id="DC774B746806FFCFFBB7FAB3FB12AF2B" author="Eisen" box="[1051,1185,1375,1400]" pageId="18" pageNumber="189" refString="Eisen, G. (1878) Redogorelse for Oligochaeter samlade under de Svenska expeditionerna till Arktiska trakter. Ofversigt af Kongliga Vetenskaps-Akademiens Forhandlingar, 3, 63 - 79." type="journal article" year="1878">Eisen, 1878</bibRefCitation>
</taxonomicName>
are slightly similar to the spermathecae of the new species, but the ectal ducts are very short and the diverticula are roundish, moreover enlarged chaetae are absent (
<bibRefCitation id="DC774B746806FFCFFE74FA4BFDE8AF93" author="Eisen" box="[472,603,1447,1472]" pageId="18" pageNumber="189" refString="Eisen, G. (1879) On the Oligochaeta collected during the Swedish expeditions to the arctic region in the years 1870, 1875 and 1876. Kongliga Svenska Vetenskaps-Akademiens Handlingar, 15 (7), 10 - 49." type="journal article" year="1879">Eisen 1879</bibRefCitation>
;
<bibRefCitation id="DC774B746806FFCFFDCAFA4BFC58AF93" author="Christensen" box="[614,1003,1447,1472]" pageId="18" pageNumber="189" refString="Christensen, B. &amp; Dozsa-Farkas, K. (1999) The enchytraeid fauna of the Palearctic tundra (Oligochaeta, Enchytraeidae). Biologiske Skrifter, The Royal Danish Academy of Sciences and Letters, 52, 1 - 37." type="journal article" year="1999">Christensen &amp; Dózsa-Farkas 1999</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>