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<document id="8957F49ACD12575AA6C82ACF593693AC" ID-DOI="10.11646/zootaxa.5529.1.10" ID-ISSN="1175-5326" ID-Zenodo-Dep="14021730" ID-ZooBank="0638152C-95A7-4D67-B1FE-72B98A0996D0" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="guilherme" IM.metadata_approvedBy="guilherme" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="guilherme" checkinTime="1730451580112" checkinUser="plazi" docAuthor="Ohtaka, Akifumi" docDate="2024" docId="371C87C9020AA056FF70FCB1FCC58A50" docLanguage="en" docName="zootaxa.5529.1.10.pdf" docOrigin="Zootaxa 5529 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5529.1.10" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Aulodrilus penicillatus Ohtaka, 2024, sp. nov." docType="treatment" docVersion="3" lastPageNumber="189" masterDocId="CB25FFB1020BA052FFE7FFAFFFA58B11" masterDocTitle="Three new tubificine species (Annelida: Clitellata: Naididae) from Japan" masterLastPageNumber="200" masterPageNumber="186" pageNumber="187" updateTime="1730819533761" updateUser="guilherme" zenodo-license-document="CLOSED">
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<mods:title id="EBD12756466E22ECEAF8FF1E8BB93942">Three new tubificine species (Annelida: Clitellata: Naididae) from Japan</mods:title>
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<mods:namePart id="712FC5858312076231218CCB89CB6848">Ohtaka, Akifumi</mods:namePart>
<mods:affiliation id="87603F10B165B8554148456DE8751F50">Hirosaki University, Hirosaki, Aomori 036 - 8560, Japan &amp; Present address: Fujimidai, Hirosaki, Aomori 036 - 8143, Japan</mods:affiliation>
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<mods:title id="F33581D8995ABE63581E1590DC2F99EE">Zootaxa</mods:title>
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<mods:date id="32609D65C29C16B32E5268104A440C94">2024</mods:date>
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<mods:number id="68851BC8F454FE4893EDCACE126DC838">2024-10-24</mods:number>
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<mods:identifier id="3D73111D1A5CD75268EF2CA9E787724C" type="DOI">10.11646/zootaxa.5529.1.10</mods:identifier>
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<treatment id="371C87C9020AA056FF70FCB1FCC58A50" ID-DOI="http://doi.org/10.5281/zenodo.14021762" ID-Zenodo-Dep="14021762" LSID="urn:lsid:plazi:treatment:371C87C9020AA056FF70FCB1FCC58A50" httpUri="http://treatment.plazi.org/id/371C87C9020AA056FF70FCB1FCC58A50" lastPageId="4" lastPageNumber="189" pageId="1" pageNumber="187">
<subSubSection id="F7AF6554020AA053FF70FCB1FDB58828" box="[151,528,798,825]" pageId="1" pageNumber="187" type="nomenclature">
<paragraph id="BF0A36DF020AA053FF70FCB1FDB58828" blockId="1.[151,528,798,861]" box="[151,528,798,825]" pageId="1" pageNumber="187">
<heading id="E44281B3020AA053FF70FCB1FDB58828" bold="true" box="[151,528,798,825]" fontSize="11" level="1" pageId="1" pageNumber="187" reason="1">
<emphasis id="8DC1EACD020AA053FF70FCB1FDB58828" bold="true" box="[151,528,798,825]" pageId="1" pageNumber="187">
<taxonomicName id="78B54D5C020AA053FF70FCB1FE0E8828" authorityName="Ohtaka" authorityYear="2024" box="[151,427,798,825]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="1" pageNumber="187" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD020AA053FF70FCB1FE0E8828" bold="true" box="[151,427,798,825]" italics="true" pageId="1" pageNumber="187">Aulodrilus penicillatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="96F257B6020AA053FE54FCB0FDB58828" box="[435,528,799,825]" pageId="1" pageNumber="187" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="F7AF6554020AA053FF70FCECFE8A884C" box="[151,303,835,861]" pageId="1" pageNumber="187" type="description">
<paragraph id="BF0A36DF020AA053FF70FCECFE8A884C" blockId="1.[151,528,798,861]" box="[151,303,835,861]" pageId="1" pageNumber="187">
(
<figureCitation id="278E2A5A020AA053FF78FCECFE83884C" box="[159,294,835,861]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStartId-0="2.[151,250,784,808]" captionStartId-1="2.[151,250,1680,1704]" captionStartId-2="3.[151,250,1165,1189]" captionTargetBox-0="[152,1430,313,751]" captionTargetBox-1="[158,1429,873,1648]" captionTargetBox-2="[351,1237,276,1132]" captionTargetId-0="figure-84@2.[151,1437,306,758]" captionTargetId-1="figure-112@2.[151,1436,867,1655]" captionTargetId-2="figure-60@3.[344,1244,270,1139]" captionTargetPageId-0="2" captionTargetPageId-1="2" captionTargetPageId-2="3" captionText-0="FIGURE 1. Aulodrilus penicillatus sp. nov. from Tokyo, Japan, parasagittal sections showing chaetal bundles, vascular and digestive systems. A. Anterior end. B. Posterior end." captionText-1="FIGURE 2. Chaetae in Aulodrilus penicillatus sp. nov. from Tokyo, Japan. A. Ventral chaeta in II. B,C. The same, distal ends. D. Ventral chaeta in V. E. The same, distal end. F. Ventral chaeta in VIII. G. The same, distal end. H. Dorsal chaeta in XX. I. The same, distal end. J. The same, top view. K. Ventral chaeta in a posterior segment. L. The same, distal end." captionText-2="FIGURE 3. Genital organs in Aulodrilus penicillatus sp. nov. from Tokyo, Japan, their arrangement related to chaetal bundles." figureDoi-0="http://doi.org/10.5281/zenodo.14021732" figureDoi-1="http://doi.org/10.5281/zenodo.14021734" figureDoi-2="http://doi.org/10.5281/zenodo.14021736" httpUri-0="https://zenodo.org/record/14021732/files/figure.png" httpUri-1="https://zenodo.org/record/14021734/files/figure.png" httpUri-2="https://zenodo.org/record/14021736/files/figure.png" pageId="1" pageNumber="187">Figures 13</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="F7AF6554020AA053FF70FC24FEF58E1C" pageId="1" pageNumber="187" type="materials_examined">
<paragraph id="BF0A36DF020AA053FF70FC24FDF888D8" blockId="1.[151,1437,907,2013]" pageId="1" pageNumber="187">
<materialsCitation id="0FDD3C82020AA053FF70FC24FDFC88D8" collectingDate="2004-05-30" collectorName="S. Shinoda" country="Japan" latitude="35.6949" location="Hakenomori Art Museum" longLatPrecision="6" longitude="139.513" municipality="Koganei City" pageId="1" pageNumber="187" specimenCode="NSMT-An 1923" specimenCount="1" stateProvince="Tokyo Prefecture" typeStatus="holotype">
<emphasis id="8DC1EACD020AA053FF70FC24FEAE88B4" bold="true" box="[151,267,907,933]" pageId="1" pageNumber="187">
<typeStatus id="600E887D020AA053FF70FC24FEA388B4" box="[151,262,907,933]" pageId="1" pageNumber="187" type="holotype">Holotype</typeStatus>
.
</emphasis>
<specimenCode id="EF139EA4020AA053FEF1FC24FE7688B4" box="[278,467,907,933]" pageId="1" pageNumber="187">NSMT-An 1923</specimenCode>
, a whole-mounted mature and complete
<specimenCount id="A9B3FD56020AA053FC56FC24FBBB88B4" box="[945,1054,907,933]" pageId="1" pageNumber="187" type="generic">specimen</specimenCount>
,
<date id="CB0B101F020AA053FBCAFC24FB6888B4" box="[1069,1229,907,933]" pageId="1" pageNumber="187" value="2004-05-30">
<collectingDate id="DB4FE9F7020AA053FBCAFC24FB6888B4" box="[1069,1229,907,933]" pageId="1" pageNumber="187" value="2004-05-30">30 May 2004</collectingDate>
</date>
, coll.
<collectorName id="12405309020AA053FAFFFC24FA3D88B4" box="[1304,1432,907,933]" pageId="1" pageNumber="187">S. Shinoda</collectorName>
. Anterior part of body was partly broken
</materialsCitation>
.
</paragraph>
<paragraph id="BF0A36DF020AA053FF20FC7CFD5A8F00" blockId="1.[151,1437,907,2013]" pageId="1" pageNumber="187">
<emphasis id="8DC1EACD020AA053FF20FC7CFEC088FD" bold="true" box="[199,357,978,1005]" pageId="1" pageNumber="187">Type locality.</emphasis>
A stream fed by phreatic water in the
<location id="BA6A6004020AA053FCEEFC7CFB8F88FC" LSID="urn:lsid:plazi:treatment:371C87C9020AA056FF70FCB1FCC58A50:BA6A6004020AA053FCEEFC7CFB8F88FC" box="[777,1066,979,1005]" country="Japan" latitude="35.6949" longLatPrecision="6" longitude="139.513" municipality="Koganei City" name="Hakenomori Art Museum" pageId="1" pageNumber="187" stateProvince="Tokyo Prefecture">Hakenomori Art Museum</location>
,
<collectingMunicipality id="5F6EACA5020AA053FBD3FC7CFB6E88FC" box="[1076,1227,979,1005]" pageId="1" pageNumber="187">Koganei City</collectingMunicipality>
,
<collectingRegion id="7D71F83D020AA053FB32FC7CFA3D88FC" box="[1237,1432,979,1005]" country="Japan" name="Tokyo" pageId="1" pageNumber="187">Tokyo Prefecture</collectingRegion>
,
<collectingCountry id="C7A2764F020AA053FF70FC58FF728F00" box="[151,215,1015,1041]" name="Japan" pageId="1" pageNumber="187">Japan</collectingCountry>
(
<geoCoordinate id="DA815018020AA053FF01FC59FEC18F00" box="[230,356,1014,1041]" degrees="35.6949" direction="north" orientation="latitude" pageId="1" pageNumber="187" precision="5" value="35.6949">35.6949°N</geoCoordinate>
,
<geoCoordinate id="DA815018020AA053FE97FC59FE5C8F00" box="[368,505,1014,1041]" degrees="139.5130" direction="east" orientation="longitude" pageId="1" pageNumber="187" precision="5" value="139.513">139.5130°E</geoCoordinate>
), with gravelly bottom.
</paragraph>
<paragraph id="BF0A36DF020AA053FF20FBB4FCE78FB0" blockId="1.[151,1437,907,2013]" pageId="1" pageNumber="187">
<materialsCitation id="0FDD3C82020AA053FF20FBB4FEF78F48" collectingDate="2004-05-30" collectionCode="NSMT" collectorName="S. Shinoda" country="Japan" latitude="35.6949" location="Hakenomori Art Museum" longLatPrecision="6" longitude="139.513" municipality="Koganei City" pageId="1" pageNumber="187" specimenCode="NSMT- An 1924" specimenCount="1" stateProvince="Tokyo Prefecture" typeStatus="paratype">
<emphasis id="8DC1EACD020AA053FF20FBB4FE9A8F24" bold="true" box="[199,319,1051,1077]" pageId="1" pageNumber="187">
<typeStatus id="600E887D020AA053FF20FBB4FE9A8F24" box="[199,319,1051,1077]" pageId="1" pageNumber="187" type="paratype">Paratypes</typeStatus>
</emphasis>
.
<specimenCode id="EF139EA4020AA053FEA8FBB4FDB78F24" box="[335,530,1051,1077]" pageId="1" pageNumber="187">NSMT- An 1924</specimenCode>
, a whole-mounted immature
<specimenCount id="A9B3FD56020AA053FC84FBB4FC758F24" box="[867,976,1051,1077]" pageId="1" pageNumber="187" type="generic">specimen</specimenCount>
; locality, date and collector the same as for the holotype
</materialsCitation>
.
<materialsCitation id="0FDD3C82020AA053FEB9FB90FDA98FB0" collectingDate="2004-12-02" collectionCode="NSMT" collectorName="S. Shinoda" country="Japan" latitude="35.687" location="Tachikawa City" longLatPrecision="6" longitude="139.424" municipality="Tachikawa City" pageId="1" pageNumber="187" specimenCode="NSMT- An 1925" specimenCount="1" stateProvince="Tokyo Prefecture" typeStatus="paratype">
<specimenCode id="EF139EA4020AA053FEB9FB90FD858F48" box="[350,544,1086,1113]" pageId="1" pageNumber="187">NSMT- An 1925</specimenCode>
, a whole-mounted immature
<specimenCount id="A9B3FD56020AA053FC88FB90FC7C8F48" box="[879,985,1087,1113]" pageId="1" pageNumber="187" type="generic">specimen</specimenCount>
from a stream fed by phreatic water in the Yagawa Ryokuchi,
<collectingMunicipality id="5F6EACA5020AA053FE7FFBCCFDED8F6C" box="[408,584,1123,1149]" pageId="1" pageNumber="187">Tachikawa City</collectingMunicipality>
,
<collectingRegion id="7D71F83D020AA053FDB4FBCCFCB28F6C" box="[595,791,1123,1149]" country="Japan" name="Tokyo" pageId="1" pageNumber="187">Tokyo Prefecture</collectingRegion>
,
<collectingCountry id="C7A2764F020AA053FCC5FBCCFCC78F6C" box="[802,866,1123,1149]" name="Japan" pageId="1" pageNumber="187">Japan</collectingCountry>
(
<geoCoordinate id="DA815018020AA053FC97FBCDFC4A8F6C" box="[880,1007,1122,1149]" degrees="35.6870" direction="north" orientation="latitude" pageId="1" pageNumber="187" precision="5" value="35.687">35.6870°N</geoCoordinate>
,
<geoCoordinate id="DA815018020AA053FC1DFBCCFB268F6C" box="[1018,1155,1123,1149]" degrees="139.4240" direction="east" orientation="longitude" pageId="1" pageNumber="187" precision="5" value="139.424">139.4240°E</geoCoordinate>
), with gravelly bottom,
<date id="CB0B101F020AA053FA69FBCCFEE98FB0" pageId="1" pageNumber="187" value="2004-12-02">
<collectingDate id="DB4FE9F7020AA053FA69FBCCFEE98FB0" pageId="1" pageNumber="187" value="2004-12-02">2 December 2004</collectingDate>
</date>
, coll.
<collectorName id="12405309020AA053FE68FB28FDA98FB0" box="[399,524,1159,1185]" pageId="1" pageNumber="187">S. Shinoda</collectorName>
</materialsCitation>
. All incomplete posteriorly.
</paragraph>
<paragraph id="BF0A36DF020AA053FF20FB05FEF58E1C" blockId="1.[151,1437,907,2013]" pageId="1" pageNumber="187">
<emphasis id="8DC1EACD020AA053FF20FB05FE528FD5" bold="true" box="[199,503,1194,1220]" pageId="1" pageNumber="187">Other material examined.</emphasis>
<materialsCitation id="0FDD3C82020AA053FE1BFB04FEF58E1C" collectingDate="2006-02-28" collectorName="S. Shinoda." country="Japan" latitude="35.6289" location="Shira-Shimizu" longLatPrecision="6" longitude="139.5206" municipality="Kawasaki City" pageId="1" pageNumber="187" specimenCount="1" stateProvince="Kanagawa Prefecture">
A whole-mounted immature and incomplete specimen from a spring,
<location id="BA6A6004020AA053FB14FB04FA3D8FD4" LSID="urn:lsid:plazi:treatment:371C87C9020AA056FF70FCB1FCC58A50:BA6A6004020AA053FB14FB04FA3D8FD4" box="[1267,1432,1195,1221]" country="Japan" latitude="35.6289" longLatPrecision="6" longitude="139.5206" municipality="Kawasaki City" name="Shira-Shimizu" pageId="1" pageNumber="187" stateProvince="Kanagawa Prefecture">Shira-Shimizu</location>
,
<collectingMunicipality id="5F6EACA5020AA053FF70FB60FEE58FF8" box="[151,320,1231,1257]" pageId="1" pageNumber="187">Kawasaki City</collectingMunicipality>
,
<collectingRegion id="7D71F83D020AA053FEAAFB60FDE78FF8" box="[333,578,1231,1257]" country="Japan" name="Kanagawa" pageId="1" pageNumber="187">Kanagawa Prefecture</collectingRegion>
,
<collectingCountry id="C7A2764F020AA053FDB7FB60FD358FF8" box="[592,656,1231,1257]" name="Japan" pageId="1" pageNumber="187">Japan</collectingCountry>
(
<geoCoordinate id="DA815018020AA053FD47FB61FCBA8FF8" box="[672,799,1230,1257]" degrees="35.6289" direction="north" orientation="latitude" pageId="1" pageNumber="187" precision="5" value="35.6289">35.6289°N</geoCoordinate>
,
<geoCoordinate id="DA815018020AA053FCCBFB61FC138FF8" box="[812,950,1230,1257]" degrees="139.5206" direction="east" orientation="longitude" pageId="1" pageNumber="187" precision="5" value="139.5206">139.5206°E</geoCoordinate>
), with gravelly bottom,
<date id="CB0B101F020AA053FB2DFB60FA3D8FF8" box="[1226,1432,1231,1257]" pageId="1" pageNumber="187" value="2006-02-28">
<collectingDate id="DB4FE9F7020AA053FB2DFB60FA3D8FF8" box="[1226,1432,1231,1257]" pageId="1" pageNumber="187" value="2006-02-28">28 February 2006</collectingDate>
</date>
, coll.
<collectorName id="12405309020AA053FF28FB5CFEF58E1C" box="[207,336,1267,1293]" pageId="1" pageNumber="187">S. Shinoda.</collectorName>
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="F7AF6554020AA053FF20FAB8FF558E44" pageId="1" pageNumber="187" type="etymology">
<paragraph id="BF0A36DF020AA053FF20FAB8FF558E44" blockId="1.[151,1437,907,2013]" pageId="1" pageNumber="187">
<emphasis id="8DC1EACD020AA053FF20FAB8FEED8E20" bold="true" box="[199,328,1303,1329]" pageId="1" pageNumber="187">Etymology</emphasis>
. The specific epithet refers to the structure of the distal ends of chaetae, having tufts of fine bristles.
</paragraph>
</subSubSection>
<subSubSection id="F7AF6554020AA053FF20FAF1FA248D18" pageId="1" pageNumber="187" type="diagnosis">
<paragraph id="BF0A36DF020AA053FF20FAF1FA248D18" blockId="1.[151,1437,907,2013]" pageId="1" pageNumber="187">
<emphasis id="8DC1EACD020AA053FF20FAF1FEE78E69" bold="true" box="[199,322,1374,1400]" pageId="1" pageNumber="187">Diagnosis.</emphasis>
Body stout,
<quantity id="784D9B3A020AA053FE31FAF0FD838E68" box="[470,550,1375,1401]" metricMagnitude="-2" metricUnit="m" metricValue="2.6" pageId="1" pageNumber="187" unit="mm" value="26.0">26 mm</quantity>
long in preserved state. Posterior end not forming chaetaless or unsegmented region. Both dorsal and ventral chaetal bundles consisting of 812 crotchets in anterior segments, 46 crotchets in posterior segments. Distal end of chaetae sharply or bluntly simple-pointed in some to several anterior segments; those with tuffs of fine bristles in middle and posterior segments. No modified genital chaetae. Vasa deferentia not winding. Atria tubular with long ejaculatory ducts. Male pores in XI ventrally, spermathecal pores in X laterally.
</paragraph>
</subSubSection>
<subSubSection id="F7AF6554020AA051FF20F9BDFEA38BE8" lastPageId="3" lastPageNumber="189" pageId="1" pageNumber="187" type="description">
<paragraph id="BF0A36DF020AA053FF20F9BDFE478C38" blockId="1.[151,1437,907,2013]" pageId="1" pageNumber="187">
<emphasis id="8DC1EACD020AA053FF20F9BDFEF48D3D" bold="true" box="[199,337,1554,1580]" pageId="1" pageNumber="187">Description</emphasis>
. In preserved state, body stout,
<quantity id="784D9B3A020AA053FD5CF9BCFCAE8D3C" box="[699,779,1555,1581]" metricMagnitude="-2" metricUnit="m" metricValue="2.6" pageId="1" pageNumber="187" unit="mm" value="26.0">26 mm</quantity>
long,
<quantity id="784D9B3A020AA053FCB5F9BDFC7F8D3C" box="[850,986,1554,1581]" metricMagnitude="-4" metricUnit="m" metricValue="6.5" metricValueMax="8.0" metricValueMin="5.0" pageId="1" pageNumber="187" unit="mm" value="0.65" valueMax="0.8" valueMin="0.5">0.50.8 mm</quantity>
wide at anterior part of body (
<figureCitation id="278E2A5A020AA053FAD2F9BCFA2B8D3C" box="[1333,1422,1555,1581]" captionStart="FIGURE 1" captionStartId="2.[151,250,784,808]" captionTargetBox="[152,1430,313,751]" captionTargetId="figure-84@2.[151,1437,306,758]" captionTargetPageId="2" captionText="FIGURE 1. Aulodrilus penicillatus sp. nov. from Tokyo, Japan, parasagittal sections showing chaetal bundles, vascular and digestive systems. A. Anterior end. B. Posterior end." figureDoi="http://doi.org/10.5281/zenodo.14021732" httpUri="https://zenodo.org/record/14021732/files/figure.png" pageId="1" pageNumber="187">Fig. 1A</figureCitation>
), with 96 segments (
<typeStatus id="600E887D020AA053FE89F998FE728D40" box="[366,471,1591,1617]" pageId="1" pageNumber="187" type="holotype">holotype</typeStatus>
). Posterior end not forming chaetaless or unsegmented region (
<figureCitation id="278E2A5A020AA053FB43F998FB598D40" box="[1188,1276,1591,1617]" captionStart="FIGURE 1" captionStartId="2.[151,250,784,808]" captionTargetBox="[152,1430,313,751]" captionTargetId="figure-84@2.[151,1437,306,758]" captionTargetPageId="2" captionText="FIGURE 1. Aulodrilus penicillatus sp. nov. from Tokyo, Japan, parasagittal sections showing chaetal bundles, vascular and digestive systems. A. Anterior end. B. Posterior end." figureDoi="http://doi.org/10.5281/zenodo.14021732" httpUri="https://zenodo.org/record/14021732/files/figure.png" pageId="1" pageNumber="187">Fig. 1B</figureCitation>
). Prostomium bluntly conical, length less than half the width of segment I. No distinct secondary annulation. Body smooth, without any pigments. Epidermis 1525 μm thick. Pharynx in II1/2 IV, dorsal wall thicker than ventral wall, covered with pharyngeal glands dorsally. Chloragogen cells from VI on, thinly covering gut. Wall of gut 2540 μm thick, without stomachal dilatation. Transverse blood vessels forming loops in IXII. Dorsal vessel located ventrally in the middle parts of the body; it returns dorsally in the posterior segments (
<figureCitation id="278E2A5A020AA053FC8DF944FC678C14" box="[874,962,1771,1797]" captionStart="FIGURE 1" captionStartId="2.[151,250,784,808]" captionTargetBox="[152,1430,313,751]" captionTargetId="figure-84@2.[151,1437,306,758]" captionTargetPageId="2" captionText="FIGURE 1. Aulodrilus penicillatus sp. nov. from Tokyo, Japan, parasagittal sections showing chaetal bundles, vascular and digestive systems. A. Anterior end. B. Posterior end." figureDoi="http://doi.org/10.5281/zenodo.14021732" httpUri="https://zenodo.org/record/14021732/files/figure.png" pageId="1" pageNumber="187">Fig. 1B</figureCitation>
). Body covered with thin and soft mucus with mingling foreign matter.
</paragraph>
<paragraph id="BF0A36DF020AA050FF20F89CFE178A0C" blockId="1.[151,1437,907,2013]" lastBlockId="2.[151,1436,151,285]" lastPageId="2" lastPageNumber="188" pageId="1" pageNumber="187">
Chaetae all sigmoid crotchets with nodulus at 1/3 from distal end; form, size and number not different between dorsal and ventral bundles. Those in anterior segments slightly longer than in the following ones, 812 per bundle, 100128 µm long (
<figureCitation id="278E2A5A020AA053FE96F8D4FDB68C84" box="[369,531,1915,1941]" captionStart="FIGURE 2" captionStartId="2.[151,250,1680,1704]" captionTargetBox="[158,1429,873,1648]" captionTargetId="figure-112@2.[151,1436,867,1655]" captionTargetPageId="2" captionText="FIGURE 2. Chaetae in Aulodrilus penicillatus sp. nov. from Tokyo, Japan. A. Ventral chaeta in II. B,C. The same, distal ends. D. Ventral chaeta in V. E. The same, distal end. F. Ventral chaeta in VIII. G. The same, distal end. H. Dorsal chaeta in XX. I. The same, distal end. J. The same, top view. K. Ventral chaeta in a posterior segment. L. The same, distal end." figureDoi="http://doi.org/10.5281/zenodo.14021734" httpUri="https://zenodo.org/record/14021734/files/figure.png" pageId="1" pageNumber="187">Fig. 2 A, D, F</figureCitation>
); those in middle segments 69 per bundle, 80104 µm long (
<figureCitation id="278E2A5A020AA053FB34F8D4FA8B8C84" box="[1235,1326,1915,1941]" captionStart="FIGURE 2" captionStartId="2.[151,250,1680,1704]" captionTargetBox="[158,1429,873,1648]" captionTargetId="figure-112@2.[151,1436,867,1655]" captionTargetPageId="2" captionText="FIGURE 2. Chaetae in Aulodrilus penicillatus sp. nov. from Tokyo, Japan. A. Ventral chaeta in II. B,C. The same, distal ends. D. Ventral chaeta in V. E. The same, distal end. F. Ventral chaeta in VIII. G. The same, distal end. H. Dorsal chaeta in XX. I. The same, distal end. J. The same, top view. K. Ventral chaeta in a posterior segment. L. The same, distal end." figureDoi="http://doi.org/10.5281/zenodo.14021734" httpUri="https://zenodo.org/record/14021734/files/figure.png" pageId="1" pageNumber="187">Fig. 2H</figureCitation>
); those in posterior segments 46 per bundle, 7288 µm long, more strongly curved than those in preceding segments (
<figureCitation id="278E2A5A020AA053FA88F830FF188CCC" captionStart="FIGURE 2" captionStartId="2.[151,250,1680,1704]" captionTargetBox="[158,1429,873,1648]" captionTargetId="figure-112@2.[151,1436,867,1655]" captionTargetPageId="2" captionText="FIGURE 2. Chaetae in Aulodrilus penicillatus sp. nov. from Tokyo, Japan. A. Ventral chaeta in II. B,C. The same, distal ends. D. Ventral chaeta in V. E. The same, distal end. F. Ventral chaeta in VIII. G. The same, distal end. H. Dorsal chaeta in XX. I. The same, distal end. J. The same, top view. K. Ventral chaeta in a posterior segment. L. The same, distal end." figureDoi="http://doi.org/10.5281/zenodo.14021734" httpUri="https://zenodo.org/record/14021734/files/figure.png" pageId="1" pageNumber="187">Fig. 2K</figureCitation>
). Distal ends of chaetae in some anterior segments (IIIII to IIV) sharply or bluntly simple-pointed (
<figureCitation id="278E2A5A020AA050FAD8F86CFF088BA0" captionStart="FIGURE 2" captionStartId="2.[151,250,1680,1704]" captionTargetBox="[158,1429,873,1648]" captionTargetId="figure-112@2.[151,1436,867,1655]" captionTargetPageId="2" captionText="FIGURE 2. Chaetae in Aulodrilus penicillatus sp. nov. from Tokyo, Japan. A. Ventral chaeta in II. B,C. The same, distal ends. D. Ventral chaeta in V. E. The same, distal end. F. Ventral chaeta in VIII. G. The same, distal end. H. Dorsal chaeta in XX. I. The same, distal end. J. The same, top view. K. Ventral chaeta in a posterior segment. L. The same, distal end." figureDoi="http://doi.org/10.5281/zenodo.14021734" httpUri="https://zenodo.org/record/14021734/files/figure.png" lastPageId="2" lastPageNumber="188" pageId="1" pageNumber="187">Fig. 2B, C</figureCitation>
); those in subsequent segments (VX) with few (up to ten) short and fine hair-like bristles, replacing the upper tooth (
<figureCitation id="278E2A5A0209A050FF07FF14FEFC8BC4" box="[224,345,187,213]" captionStart="FIGURE 2" captionStartId="2.[151,250,1680,1704]" captionTargetBox="[158,1429,873,1648]" captionTargetId="figure-112@2.[151,1436,867,1655]" captionTargetPageId="2" captionText="FIGURE 2. Chaetae in Aulodrilus penicillatus sp. nov. from Tokyo, Japan. A. Ventral chaeta in II. B,C. The same, distal ends. D. Ventral chaeta in V. E. The same, distal end. F. Ventral chaeta in VIII. G. The same, distal end. H. Dorsal chaeta in XX. I. The same, distal end. J. The same, top view. K. Ventral chaeta in a posterior segment. L. The same, distal end." figureDoi="http://doi.org/10.5281/zenodo.14021734" httpUri="https://zenodo.org/record/14021734/files/figure.png" pageId="2" pageNumber="188">Fig. 2E, G</figureCitation>
), chaetae from XI on with dozens of fine bristles in tufts (
<figureCitation id="278E2A5A0209A050FC04FF14FBD78BC4" box="[995,1138,187,213]" captionStart="FIGURE 2" captionStartId="2.[151,250,1680,1704]" captionTargetBox="[158,1429,873,1648]" captionTargetId="figure-112@2.[151,1436,867,1655]" captionTargetPageId="2" captionText="FIGURE 2. Chaetae in Aulodrilus penicillatus sp. nov. from Tokyo, Japan. A. Ventral chaeta in II. B,C. The same, distal ends. D. Ventral chaeta in V. E. The same, distal end. F. Ventral chaeta in VIII. G. The same, distal end. H. Dorsal chaeta in XX. I. The same, distal end. J. The same, top view. K. Ventral chaeta in a posterior segment. L. The same, distal end." figureDoi="http://doi.org/10.5281/zenodo.14021734" httpUri="https://zenodo.org/record/14021734/files/figure.png" pageId="2" pageNumber="188">Fig. 2 I, J, L</figureCitation>
). No lateral expansions on the shafts of any chaetae. In mature worm number of ventral chaetae in XI reduced to four or five per bundles. No modified genital chaetae.
</paragraph>
<caption id="EBCA66570209A050FF70FCBFFD08885C" ID-DOI="http://doi.org/10.5281/zenodo.14021732" ID-Zenodo-Dep="14021732" httpUri="https://zenodo.org/record/14021732/files/figure.png" pageId="2" pageNumber="188" startId="2.[151,250,784,808]" targetBox="[152,1430,313,751]" targetPageId="2" targetType="figure">
<paragraph id="BF0A36DF0209A050FF70FCBFFD08885C" blockId="2.[151,1437,784,845]" pageId="2" pageNumber="188">
<emphasis id="8DC1EACD0209A050FF70FCBFFEB08839" bold="true" box="[151,277,784,808]" pageId="2" pageNumber="188">FIGURE 1.</emphasis>
<taxonomicName id="78B54D5C0209A050FEFAFCBEFDA38838" authorityName="Ohtaka" authorityYear="2024" box="[285,518,785,809]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="2" pageNumber="188" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD0209A050FEFAFCBEFDA38838" box="[285,518,785,809]" italics="true" pageId="2" pageNumber="188">Aulodrilus penicillatus</emphasis>
</taxonomicName>
<emphasis id="8DC1EACD0209A050FDE9FCBEFDC48838" bold="true" box="[526,609,785,809]" pageId="2" pageNumber="188">
<taxonomicNameLabel id="96F257B60209A050FDE9FCBEFDC48838" box="[526,609,785,809]" pageId="2" pageNumber="188" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
from Tokyo, Japan, parasagittal sections showing chaetal bundles, vascular and digestive systems.
<emphasis id="8DC1EACD0209A050FEB1FC9BFECA885D" bold="true" box="[342,367,820,844]" pageId="2" pageNumber="188">A.</emphasis>
Anterior end.
<emphasis id="8DC1EACD0209A050FDE5FC9AFDB6885C" bold="true" box="[514,531,821,845]" pageId="2" pageNumber="188">B</emphasis>
. Posterior end.
</paragraph>
</caption>
<caption id="EBCA66570209A050FF70F93FFB6C8DE0" ID-DOI="http://doi.org/10.5281/zenodo.14021734" ID-Zenodo-Dep="14021734" httpUri="https://zenodo.org/record/14021734/files/figure.png" pageId="2" pageNumber="188" startId="2.[151,250,1680,1704]" targetBox="[158,1429,873,1648]" targetPageId="2" targetType="figure">
<paragraph id="BF0A36DF0209A050FF70F93FFB6C8DE0" blockId="2.[151,1437,1680,1777]" pageId="2" pageNumber="188">
<emphasis id="8DC1EACD0209A050FF70F93FFEB68DB9" bold="true" box="[151,275,1680,1704]" pageId="2" pageNumber="188">FIGURE 2.</emphasis>
Chaetae in
<taxonomicName id="78B54D5C0209A050FE6CF93EFDD78DB8" authorityName="Ohtaka" authorityYear="2024" box="[395,626,1681,1705]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="2" pageNumber="188" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD0209A050FE6CF93EFDD78DB8" box="[395,626,1681,1705]" italics="true" pageId="2" pageNumber="188">Aulodrilus penicillatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="96F257B60209A050FD9FF93EFD6F8DB9" box="[632,714,1681,1705]" pageId="2" pageNumber="188" rank="species">
<emphasis id="8DC1EACD0209A050FD9FF93EFD618DB8" bold="true" box="[632,708,1681,1705]" pageId="2" pageNumber="188">sp. nov</emphasis>
.
</taxonomicNameLabel>
from Tokyo, Japan.
<emphasis id="8DC1EACD0209A050FC7CF93FFC118DB9" bold="true" box="[923,948,1680,1704]" pageId="2" pageNumber="188">A.</emphasis>
Ventral chaeta in II.
<emphasis id="8DC1EACD0209A050FB60F93EFB3D8DB8" bold="true" box="[1159,1176,1681,1705]" pageId="2" pageNumber="188">B</emphasis>
,
<emphasis id="8DC1EACD0209A050FB79F93FFB138DB9" bold="true" box="[1182,1206,1680,1704]" pageId="2" pageNumber="188">C.</emphasis>
The same, distal ends.
<emphasis id="8DC1EACD0209A050FF70F91AFF158DDC" bold="true" box="[151,176,1717,1741]" pageId="2" pageNumber="188">D.</emphasis>
Ventral chaeta in V.
<emphasis id="8DC1EACD0209A050FE9AF91AFE318DDC" bold="true" box="[381,404,1717,1741]" pageId="2" pageNumber="188">E.</emphasis>
The same, distal end.
<emphasis id="8DC1EACD0209A050FD95F91AFD208DDC" bold="true" box="[626,645,1717,1741]" pageId="2" pageNumber="188">F.</emphasis>
Ventral chaeta in VIII.
<emphasis id="8DC1EACD0209A050FC88F91BFC2F8DDD" bold="true" box="[879,906,1716,1740]" pageId="2" pageNumber="188">G.</emphasis>
The same, distal end.
<emphasis id="8DC1EACD0209A050FB8FF91AFB278DDC" bold="true" box="[1128,1154,1717,1741]" pageId="2" pageNumber="188">H.</emphasis>
Dorsal chaeta in XX.
<emphasis id="8DC1EACD0209A050FA87F91AFAD58DDC" bold="true" box="[1376,1392,1717,1741]" pageId="2" pageNumber="188">I.</emphasis>
The same, distal end.
<emphasis id="8DC1EACD0209A050FEA1F976FEFC8DE0" bold="true" box="[326,345,1753,1777]" pageId="2" pageNumber="188">J.</emphasis>
The same, top view.
<emphasis id="8DC1EACD0209A050FDD6F976FDEE8DE0" bold="true" box="[561,587,1753,1777]" pageId="2" pageNumber="188">K.</emphasis>
Ventral chaeta in a posterior segment.
<emphasis id="8DC1EACD0209A050FC33F976FC4E8DE0" bold="true" box="[980,1003,1753,1777]" pageId="2" pageNumber="188">L.</emphasis>
The same, distal end.
</paragraph>
</caption>
<paragraph id="BF0A36DF0209A051FF20F8B0FEA38BE8" blockId="2.[151,1437,1823,2029]" lastBlockId="3.[151,1436,150,249]" lastPageId="3" lastPageNumber="189" pageId="2" pageNumber="188">
Clitellum inconspicuous, from beginning of X to end of XII, glandular epidermis 2535 µm thick. Gonads and copulatory organs paired (
<figureCitation id="278E2A5A0209A050FE5FF8ECFE5E8C4C" box="[440,507,1859,1885]" captionStart="FIGURE 3" captionStartId="3.[151,250,1165,1189]" captionTargetBox="[351,1237,276,1132]" captionTargetId="figure-60@3.[344,1244,270,1139]" captionTargetPageId="3" captionText="FIGURE 3. Genital organs in Aulodrilus penicillatus sp. nov. from Tokyo, Japan, their arrangement related to chaetal bundles." figureDoi="http://doi.org/10.5281/zenodo.14021736" httpUri="https://zenodo.org/record/14021736/files/figure.png" pageId="2" pageNumber="188">Fig. 3</figureCitation>
). Testes and ovaries attached to posterior faces of septa 9/10 and 10/11, respectively. Vasa deferentia more than 300 µm long and 1520 µm wide, not winding, connected to apical end of atria. Atria tubular, 250 µm long, 80 µm in maximum width, inner epithelia thick and glandular. Prostate glands about as large as atria, connected to atria through short and narrow stalks. Ejaculatory ducts 120 μm long, 1530 µm wide, swollen at middle. Penes short and conical, opening at just lateral side of ventral chaetal bundles in XI. Spermathecae in X, small; ampullae elongately ovoid, 80 µm long and 50 µm in maximum width; ducts well-marked off from the ampullae, about 40 µm long, 30 µm wide, opening laterally in X. There is not sperm in the spermathecal ampullae.
</paragraph>
</subSubSection>
<caption id="EBCA66570208A051FF70FB22FF488FD8" ID-DOI="http://doi.org/10.5281/zenodo.14021736" ID-Zenodo-Dep="14021736" httpUri="https://zenodo.org/record/14021736/files/figure.png" pageId="3" pageNumber="189" startId="3.[151,250,1165,1189]" targetBox="[351,1237,276,1132]" targetPageId="3" targetType="figure">
<paragraph id="BF0A36DF0208A051FF70FB22FF488FD8" blockId="3.[151,1436,1165,1225]" pageId="3" pageNumber="189">
<emphasis id="8DC1EACD0208A051FF70FB22FEBD8FB4" bold="true" box="[151,280,1165,1189]" pageId="3" pageNumber="189">FIGURE 3.</emphasis>
Genital organs in
<taxonomicName id="78B54D5C0208A051FE0EFB22FD738FB4" authorityName="Ohtaka" authorityYear="2024" box="[489,726,1165,1189]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD0208A051FE0EFB22FD738FB4" box="[489,726,1165,1189]" italics="true" pageId="3" pageNumber="189">Aulodrilus penicillatus</emphasis>
</taxonomicName>
<emphasis id="8DC1EACD0208A051FD05FB22FC9D8FB4" bold="true" box="[738,824,1165,1189]" pageId="3" pageNumber="189">
<taxonomicNameLabel id="96F257B60208A051FD05FB22FC9D8FB4" box="[738,824,1165,1189]" pageId="3" pageNumber="189" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
from Tokyo, Japan, their arrangement related to chaetal bundles.
</paragraph>
</caption>
<subSubSection id="F7AF65540208A051FF20FB58FB828E6C" pageId="3" pageNumber="189" type="distribution">
<paragraph id="BF0A36DF0208A051FF20FB58FB828E6C" blockId="3.[151,1437,1271,2018]" pageId="3" pageNumber="189">
<emphasis id="8DC1EACD0208A051FF20FB58FE4E8E00" bold="true" box="[199,491,1271,1297]" pageId="3" pageNumber="189">Distribution and habitat.</emphasis>
The present species was collected from a spring and two streams fed by phreatic waters, all with sandy or gravelly bottoms in
<collectingRegion id="7D71F83D0208A051FDA7FAB4FD228E24" box="[576,647,1307,1333]" country="Japan" name="Tokyo" pageId="3" pageNumber="189">Tokyo</collectingRegion>
and
<collectingRegion id="7D71F83D0208A051FD58FAB3FC908E27" box="[703,821,1308,1334]" country="Japan" name="Kanagawa" pageId="3" pageNumber="189">Kanagawa</collectingRegion>
Prefectures in central
<collectingCountry id="C7A2764F0208A051FBD2FAB3FBDD8E27" box="[1077,1144,1308,1334]" name="Japan" pageId="3" pageNumber="189">Japan</collectingCountry>
. Water temperature of the habitats ranged from 11.1 to 18.4°C. Other oligochaetes,
<taxonomicName id="78B54D5C0208A051FCE8FA90FBB28E48" authorityName="Yamaguchi" authorityYear="1953" box="[783,1047,1343,1369]" class="Clitellata" family="Lumbriculidae" genus="Lumbriculus" kingdom="Animalia" order="Lumbriculida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="mukoensis">
<emphasis id="8DC1EACD0208A051FCE8FA90FBB28E48" box="[783,1047,1343,1369]" italics="true" pageId="3" pageNumber="189">Lumbriculus mukoensis</emphasis>
</taxonomicName>
<bibRefCitation id="DB244B2E0208A051FBFBFA90FB7A8E4B" author="Yamaguchi, H." box="[1052,1247,1343,1370]" pageId="3" pageNumber="189" pagination="277 - 342" refId="ref10974" refString="Yamaguchi, H. (1953) Studies on the aquatic Oligochaeta of Japan. VI. A systematic report, with some remarks on the classification and phylogeny of the Oligochaeta. Journal of the Faculty of Science, Hokkaido University, Series 6, Zoology, 11, 277 - 342." type="journal article" year="1953">
<collectingRegion id="7D71F83D0208A051FBFBFA90FB388E48" box="[1052,1181,1343,1369]" country="Japan" name="Yamaguchi" pageId="3" pageNumber="189">Yamaguchi</collectingRegion>
, 1953
</bibRefCitation>
(
<taxonomicName id="78B54D5C0208A051FB0BFA90FA308E48" box="[1260,1429,1343,1369]" class="Clitellata" family="Lumbriculidae" kingdom="Animalia" order="Lumbriculida" pageId="3" pageNumber="189" phylum="Annelida" rank="family">Lumbriculidae</taxonomicName>
) and
<taxonomicName id="78B54D5C0208A051FF20FACCFE268E6F" box="[199,387,1379,1406]" class="Clitellata" family="Naididae" genus="Rhyacodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="undetermined">
<emphasis id="8DC1EACD0208A051FF20FACCFEF98E6C" box="[199,348,1379,1405]" italics="true" pageId="3" pageNumber="189">Rhyacodrilus</emphasis>
sp.
</taxonomicName>
(
<taxonomicName id="78B54D5C0208A051FE76FACCFE5F8E6C" authorityName="Ehrenberg" authorityYear="1831" box="[401,506,1379,1405]" class="Clitellata" family="Naididae" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="family">Naididae</taxonomicName>
) were collected together with the present species.
</paragraph>
</subSubSection>
<subSubSection id="F7AF65540208A056FF20FA28FCC58A50" lastPageId="4" lastPageNumber="190" pageId="3" pageNumber="189" type="discussion">
<paragraph id="BF0A36DF0208A051FF20FA28FA218ED4" blockId="3.[151,1437,1271,2018]" pageId="3" pageNumber="189">
<emphasis id="8DC1EACD0208A051FF20FA28FE918EB0" bold="true" box="[199,308,1415,1441]" pageId="3" pageNumber="189">Remarks</emphasis>
. The
<typeStatus id="600E887D0208A051FE66FA28FE468EB0" box="[385,483,1415,1441]" pageId="3" pageNumber="189" type="holotype">holotype</typeStatus>
is the only sexually mature specimen available in the present study, but some reproductive organs such as male funnel and vas deferens could not be reconstructed due to destroyed condition.
</paragraph>
<paragraph id="BF0A36DF0208A056FF20FA60FCC58A50" blockId="3.[151,1437,1271,2018]" lastBlockId="4.[151,1437,151,321]" lastPageId="4" lastPageNumber="190" pageId="3" pageNumber="189">
<taxonomicName id="78B54D5C0208A051FF20FA60FE6D8EF8" authorityName="Ohtaka" authorityYear="2024" box="[199,456,1487,1513]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD0208A051FF20FA60FE6D8EF8" box="[199,456,1487,1513]" italics="true" pageId="3" pageNumber="189">Aulodrilus penicillatus</emphasis>
</taxonomicName>
<emphasis id="8DC1EACD0208A051FE37FA60FD8F8EF8" bold="true" box="[464,554,1487,1513]" pageId="3" pageNumber="189">
<taxonomicNameLabel id="96F257B60208A051FE37FA60FD8F8EF8" box="[464,554,1487,1513]" pageId="3" pageNumber="189" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
resembles
<taxonomicName id="78B54D5C0208A051FD4DFA7FFBDD8EF8" authority="Brinkhurst &amp; Cook, 1966" authorityName="Brinkhurst &amp; Cook" authorityYear="1966" box="[682,1144,1487,1514]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="americanus">
<emphasis id="8DC1EACD0208A051FD4DFA7FFCE88EF8" box="[682,845,1488,1514]" italics="true" pageId="3" pageNumber="189">A. americanus</emphasis>
<bibRefCitation id="DB244B2E0208A051FCB3FA60FBDD8EF8" author="Brinkhurst, R. O. &amp; Cook, D. G." box="[852,1144,1487,1513]" pageId="3" pageNumber="189" pagination="1 - 33" refId="ref7682" refString="Brinkhurst, R. O. &amp; Cook, D. G. (1966) Studies on the North American aquatic Oligochaeta. III. Lumbriculidae and additional notes and records of other families. Proceedings of the Academy of Natural Sciences of Philadelphia, 118, 1 - 33." type="journal article" year="1966">Brinkhurst &amp; Cook, 1966</bibRefCitation>
</taxonomicName>
, which has been recorded from North America (
<bibRefCitation id="DB244B2E0208A051FE6EFA5CFD018D1C" author="Brinkhurst, R. O. &amp; Cook, D. G." box="[393,676,1523,1549]" pageId="3" pageNumber="189" pagination="1 - 33" refId="ref7682" refString="Brinkhurst, R. O. &amp; Cook, D. G. (1966) Studies on the North American aquatic Oligochaeta. III. Lumbriculidae and additional notes and records of other families. Proceedings of the Academy of Natural Sciences of Philadelphia, 118, 1 - 33." type="journal article" year="1966">Brinkhurst &amp; Cook 1966</bibRefCitation>
;
<bibRefCitation id="DB244B2E0208A051FD48FA5CFCCC8D1C" author="Brinkhurst, R. O." box="[687,873,1523,1549]" pageId="3" pageNumber="189" pagination="137 - 143" refId="ref7412" refString="Brinkhurst, R. O. (1967) The distribution of aquatic oligochaetes in Saginaw Bay, Lake Huron. Limnology and Oceanography, 12, 137 - 143. https: // doi. org / 10.4319 / lo. 1967.12.1.0137" type="journal article" year="1967">Brinkhurst 1967</bibRefCitation>
,
<bibRefCitation id="DB244B2E0208A051FC94FA5CFC0B8D1C" author="Brinkhurst, R. O." box="[883,942,1523,1549]" pageId="3" pageNumber="189" pagination="2166 - 2175" refId="ref7514" refString="Brinkhurst, R. O. (1978) Freshwater Oligochaeta in Canada. Canadian Journal of Zoology, 56, 2166 - 2175. https: // doi. org / 10.1139 / z 78 - 292" type="journal article" year="1978">1978</bibRefCitation>
;
<bibRefCitation id="DB244B2E0208A051FC5EFA5CFBF88D1C" author="Hiltunen, J. K." box="[953,1117,1523,1549]" pageId="3" pageNumber="189" pagination="433 - 454" refId="ref8215" refString="Hiltunen, J. K. (1967) Some oligochaetes from Lake Michigan. Transactions of the American Microscopical Society, 86, 433 - 454. https: // doi. org / 10.2307 / 3224267" type="journal article" year="1967">Hiltunen 1967</bibRefCitation>
,
<bibRefCitation id="DB244B2E0208A051FB8FFA5CFB068D1C" author="Hiltunen, J. K." box="[1128,1187,1523,1549]" pageId="3" pageNumber="189" pagination="260 - 264" refId="ref8253" refString="Hiltunen, J. K. (1969) Distribution of oligochaetes in western Lake Erie, 1961. Limnology and Oceanography, 14, 260 - 264. https: // doi. org / 10.4319 / lo. 1969.14.2.0260" type="journal article" year="1969">1969</bibRefCitation>
;
<bibRefCitation id="DB244B2E0208A051FB49FA5CFA328D1F" author="Stimpson, K. S. &amp; Brice, J. R. &amp; Barbour, M. S. &amp; Nalco, P. H." box="[1198,1431,1523,1550]" pageId="3" pageNumber="189" pagination="384 - 394" refId="ref10240" refString="Stimpson, K. S., Brice, J. R., Barbour, M. S. &amp; Nalco, P. H. (1975) Distribution and abundance of inshore oligochaetes in Lake Michigan. Transactions of the American Microscopical Society, 94, 384 - 394. http: // doi. org / 10.2307 / 3225503" type="journal article" year="1975">
Stimpson
<emphasis id="8DC1EACD0208A051FAF9FA5BFAF38D1C" box="[1310,1366,1523,1549]" italics="true" pageId="3" pageNumber="189">et al.</emphasis>
1975
</bibRefCitation>
;
<bibRefCitation id="DB244B2E0208A051FF70F9B8FE948D20" author="Spencer, D. R." box="[151,305,1559,1585]" pageId="3" pageNumber="189" pagination="115 - 164" refId="ref10163" refString="Spencer, D. R. (1980) The aquatic Oligochaeta of the St. Lawrence Great Lakes region. In: Brinkhurst, R. O. &amp; Cook, D. G. (Eds.), Aquatic Oligochaete Biology. Springer, Boston, Massachusetts, pp. 115 - 164. https: // doi. org / 10.1007 / 978 - 1 - 4613 - 3048 - 6 _ 8" type="book chapter" year="1980">Spencer 1980</bibRefCitation>
) and
<collectingCountry id="C7A2764F0208A051FE88F9B7FE0A8D23" box="[367,431,1560,1586]" name="Japan" pageId="3" pageNumber="189">Japan</collectingCountry>
(
<bibRefCitation id="DB244B2E0208A051FE5AF9B8FDF68D20" author="Ohtaka, A." box="[445,595,1559,1585]" pageId="3" pageNumber="189" pagination="1 - 32" refId="ref9321" refString="Ohtaka, A. (2021) Taxonomical study of Japanese Aulodrilus Bretscher (Annelida, Clitellata, Tubificinae) with descriptions of two new species. Zootaxa, 4952 (1), 1 - 32. https: // doi. org / 10.11646 / zootaxa. 4952.1.1" type="journal article" year="2021">Ohtaka 2021</bibRefCitation>
), in lacking hair chaetae in the dorsal bundles and in having fine bristles on the crotchets in middle and posterior segments. However, detailed structure of the distal ends of chaetae is different in these two species. In
<emphasis id="8DC1EACD0208A051FE48F9CFFDFF8D68" box="[431,602,1632,1658]" italics="true" pageId="3" pageNumber="189">
<taxonomicName id="78B54D5C0208A051FE48F9CFFDF08D68" authorityName="Brinkhurst &amp; Cook" authorityYear="1966" box="[431,597,1632,1658]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="americanus">A. americanus</taxonomicName>
,
</emphasis>
up to ten palmate bristles are arranged sagittally, and they are gradually decreasing in size from lower to upper (
<bibRefCitation id="DB244B2E0208A051FDB1F92CFD498D8C" author="Ohtaka, A." box="[598,748,1667,1693]" pageId="3" pageNumber="189" pagination="1 - 32" refId="ref9321" refString="Ohtaka, A. (2021) Taxonomical study of Japanese Aulodrilus Bretscher (Annelida, Clitellata, Tubificinae) with descriptions of two new species. Zootaxa, 4952 (1), 1 - 32. https: // doi. org / 10.11646 / zootaxa. 4952.1.1" type="journal article" year="2021">Ohtaka 2021</bibRefCitation>
:
<figureCitation id="278E2A5A0208A051FD10F92CFCEB8D8C" box="[759,846,1667,1693]" captionStart="FIGURE 4" captionStartId="4.[151,250,1903,1927]" captionTargetBox="[157,1436,1033,1877]" captionTargetId="figure-234@4.[151,1436,1026,1877]" captionTargetPageId="4" captionText="FIGURE 4. Haber subnivalis sp. nov. from Hirosaki, Aomori Prefecture, Japan. A. Whole body of an immature specimen. B. Parasagittal section of anterior segments. C. Dorso-lateral view of a living specimen, showing vascular and digestive systems." figureDoi="http://doi.org/10.5281/zenodo.14021738" httpUri="https://zenodo.org/record/14021738/files/figure.png" pageId="3" pageNumber="189">Fig. 4B</figureCitation>
). On the other hand, in
<taxonomicName id="78B54D5C0208A051FBBFF92BFB5F8D8C" authorityName="Ohtaka" authorityYear="2024" box="[1112,1274,1667,1694]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD0208A051FBBFF92BFB5F8D8C" box="[1112,1274,1667,1694]" italics="true" pageId="3" pageNumber="189">A. penicillatus</emphasis>
</taxonomicName>
<emphasis id="8DC1EACD0208A051FAE6F92CFAFE8D8C" bold="true" box="[1281,1371,1667,1693]" pageId="3" pageNumber="189">
<taxonomicNameLabel id="96F257B60208A051FAE6F92CFAFE8D8C" box="[1281,1371,1667,1693]" pageId="3" pageNumber="189" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, each chaeta has a tuft of non-palmate fine hair-like bristles, replacing the upper tooth. In addition, the atrium is tubular with a distinct ejaculatory duct in
<taxonomicName id="78B54D5C0208A051FDF8F963FD668DF4" authorityName="Ohtaka" authorityYear="2024" box="[543,707,1739,1766]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD0208A051FDF8F963FD668DF4" box="[543,707,1739,1766]" italics="true" pageId="3" pageNumber="189">A. penicillatus</emphasis>
</taxonomicName>
<emphasis id="8DC1EACD0208A051FD2BF964FC828DF4" bold="true" box="[716,807,1739,1765]" pageId="3" pageNumber="189">
<taxonomicNameLabel id="96F257B60208A051FD2BF964FC828DF4" box="[716,807,1739,1765]" pageId="3" pageNumber="189" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, while the atrium is bean-shaped and almost devoid of an ejaculatory duct in
<taxonomicName id="78B54D5C0208A051FE74F95FFD418C18" authority="(Ohtaka 2021)" baseAuthorityName="Ohtaka" baseAuthorityYear="2021" box="[403,740,1775,1802]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="americanus">
<emphasis id="8DC1EACD0208A051FE74F95FFD938C18" box="[403,566,1776,1802]" italics="true" pageId="3" pageNumber="189">A. americanus</emphasis>
(
<bibRefCitation id="DB244B2E0208A051FDA2F940FD798C18" author="Ohtaka, A." box="[581,732,1775,1801]" pageId="3" pageNumber="189" pagination="1 - 32" refId="ref9321" refString="Ohtaka, A. (2021) Taxonomical study of Japanese Aulodrilus Bretscher (Annelida, Clitellata, Tubificinae) with descriptions of two new species. Zootaxa, 4952 (1), 1 - 32. https: // doi. org / 10.11646 / zootaxa. 4952.1.1" type="journal article" year="2021">Ohtaka 2021</bibRefCitation>
)
</taxonomicName>
. These differences, however, may be due to the apparent lack of complete sexual maturity in the single specimen of the new species—the
<typeStatus id="600E887D0208A051FC1EF8BCFBFF8C3C" box="[1017,1114,1811,1837]" pageId="3" pageNumber="189" type="holotype">holotype</typeStatus>
—where sexual organs were developed. Small spermathecae opening laterally in
<taxonomicName id="78B54D5C0208A051FD31F898FC708C40" authorityName="Ohtaka" authorityYear="2024" box="[726,981,1847,1873]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD0208A051FD31F898FC708C40" box="[726,981,1847,1873]" italics="true" pageId="3" pageNumber="189">Aulodrilus penicillatus</emphasis>
</taxonomicName>
<emphasis id="8DC1EACD0208A051FC3DF898FB948C40" bold="true" box="[986,1073,1847,1873]" pageId="3" pageNumber="189">
<taxonomicNameLabel id="96F257B60208A051FC3DF898FB948C40" box="[986,1073,1847,1873]" pageId="3" pageNumber="189" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
resemble those in
<taxonomicName id="78B54D5C0208A051FB1BF897FA388C40" baseAuthorityName="Ohtaka" baseAuthorityYear="2021" box="[1276,1437,1848,1874]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="americanus">
<emphasis id="8DC1EACD0208A051FB1BF897FA388C40" box="[1276,1437,1848,1874]" italics="true" pageId="3" pageNumber="189">A. americanus</emphasis>
</taxonomicName>
(
<bibRefCitation id="DB244B2E0208A051FF78F8F4FE908C64" author="Ohtaka, A." box="[159,309,1883,1909]" pageId="3" pageNumber="189" pagination="1 - 32" refId="ref9321" refString="Ohtaka, A. (2021) Taxonomical study of Japanese Aulodrilus Bretscher (Annelida, Clitellata, Tubificinae) with descriptions of two new species. Zootaxa, 4952 (1), 1 - 32. https: // doi. org / 10.11646 / zootaxa. 4952.1.1" type="journal article" year="2021">Ohtaka 2021</bibRefCitation>
:
<figureCitation id="278E2A5A0208A051FEA6F8F4FE3E8C64" box="[321,411,1883,1909]" captionStart="FIGURE 3" captionStartId="3.[151,250,1165,1189]" captionTargetBox="[351,1237,276,1132]" captionTargetId="figure-60@3.[344,1244,270,1139]" captionTargetPageId="3" captionText="FIGURE 3. Genital organs in Aulodrilus penicillatus sp. nov. from Tokyo, Japan, their arrangement related to chaetal bundles." figureDoi="http://doi.org/10.5281/zenodo.14021736" httpUri="https://zenodo.org/record/14021736/files/figure.png" pageId="3" pageNumber="189">Fig. 3G</figureCitation>
). As to the distal shape of the crotchets,
<taxonomicName id="78B54D5C0208A051FC80F8F3FBAF8C64" authorityName="Ohtaka" authorityYear="2024" box="[871,1034,1883,1910]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD0208A051FC80F8F3FBAF8C64" box="[871,1034,1883,1910]" italics="true" pageId="3" pageNumber="189">A. penicillatus</emphasis>
</taxonomicName>
<emphasis id="8DC1EACD0208A051FBF6F8F4FBC98C64" bold="true" box="[1041,1132,1883,1909]" pageId="3" pageNumber="189">
<taxonomicNameLabel id="96F257B60208A051FBF6F8F4FBC98C64" box="[1041,1132,1883,1909]" pageId="3" pageNumber="189" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
more closely resembles
<taxonomicName id="78B54D5C0208A051FA63F8F3FEA18C88" authorityName="Yamaguchi" authorityYear="1953" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="japonicus">
<emphasis id="8DC1EACD0208A051FA63F8F3FEA18C88" italics="true" pageId="3" pageNumber="189">A. japonicus</emphasis>
</taxonomicName>
<bibRefCitation id="DB244B2E0208A051FEEBF8D0FE778C8B" author="Yamaguchi, H." box="[268,466,1919,1946]" pageId="3" pageNumber="189" pagination="277 - 342" refId="ref10974" refString="Yamaguchi, H. (1953) Studies on the aquatic Oligochaeta of Japan. VI. A systematic report, with some remarks on the classification and phylogeny of the Oligochaeta. Journal of the Faculty of Science, Hokkaido University, Series 6, Zoology, 11, 277 - 342." type="journal article" year="1953">
<collectingRegion id="7D71F83D0208A051FEEBF8D0FE288C88" box="[268,397,1919,1945]" country="Japan" name="Yamaguchi" pageId="3" pageNumber="189">Yamaguchi</collectingRegion>
,
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</bibRefCitation>
in that both species have irregularly arranged multiple bristles.
<taxonomicName id="78B54D5C0208A051FB57F8D0FA398C88" authorityName="Yamaguchi" authorityYear="1953" box="[1200,1436,1919,1945]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="japoniucs">
<emphasis id="8DC1EACD0208A051FB57F8D0FA398C88" box="[1200,1436,1919,1945]" italics="true" pageId="3" pageNumber="189">Aulodrilus japoniucs</emphasis>
</taxonomicName>
and
<taxonomicName id="78B54D5C0208A051FF20F80BFECF8CAC" authorityName="Ohtaka" authorityYear="2024" box="[199,362,1955,1982]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD0208A051FF20F80BFECF8CAC" box="[199,362,1955,1982]" italics="true" pageId="3" pageNumber="189">A. penicillatus</emphasis>
</taxonomicName>
<emphasis id="8DC1EACD0208A051FE96F80CFE698CAC" bold="true" box="[369,460,1955,1981]" pageId="3" pageNumber="189">
<taxonomicNameLabel id="96F257B60208A051FE96F80CFE698CAC" box="[369,460,1955,1981]" pageId="3" pageNumber="189" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
are also similar in having lateral openings of the spermathecae, tubular atria, and long ejaculatory ducts swollen in the middle. However, the multiple bristles of
<taxonomicName id="78B54D5C0208A051FC3FF867FBC08CF0" authorityName="Yamaguchi" authorityYear="1953" box="[984,1125,1992,2018]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="3" pageNumber="189" phylum="Annelida" rank="species" species="japonicus">
<emphasis id="8DC1EACD0208A051FC3FF867FBC08CF0" box="[984,1125,1992,2018]" italics="true" pageId="3" pageNumber="189">A. japonicus</emphasis>
</taxonomicName>
(
<bibRefCitation id="DB244B2E0208A051FB94F868FAAF8CF0" author="Ohtaka, A." box="[1139,1290,1991,2017]" pageId="3" pageNumber="189" pagination="1 - 32" refId="ref9321" refString="Ohtaka, A. (2021) Taxonomical study of Japanese Aulodrilus Bretscher (Annelida, Clitellata, Tubificinae) with descriptions of two new species. Zootaxa, 4952 (1), 1 - 32. https: // doi. org / 10.11646 / zootaxa. 4952.1.1" type="journal article" year="2021">Ohtaka 2021</bibRefCitation>
:
<figureCitation id="278E2A5A0208A056FAF2F868FF6A8BA0" captionStart="FIGURE 6" captionStartId="6.[151,250,1256,1280]" captionTargetBox="[158,1429,745,1225]" captionTargetId="figure-284@6.[151,1436,738,1230]" captionTargetPageId="6" captionText="FIGURE 6. Arrangement of reproductive organs in Haber subnivalis sp. nov. from Hirosaki, Aomori Prefecture, Japan." figureDoi="http://doi.org/10.5281/zenodo.14021742" httpUri="https://zenodo.org/record/14021742/files/figure.png" lastPageId="4" lastPageNumber="190" pageId="3" pageNumber="189">Figs. 6D, E, G, H</figureCitation>
) are restricted to dorsal crotchets, and they are up to
<quantity id="784D9B3A020FA056FCC3FF38FCF88BA0" box="[804,861,151,177]" metricMagnitude="-1" metricUnit="m" metricValue="5.08" pageId="4" pageNumber="190" unit="in" value="20.0">20 in</quantity>
number and spine-like, being fewer in number and thicker than the multiple capillaries in
<taxonomicName id="78B54D5C020FA056FDBBFF14FD5A8BC4" authorityName="Ohtaka" authorityYear="2024" box="[604,767,187,213]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="4" pageNumber="190" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD020FA056FDBBFF14FD5A8BC4" box="[604,767,187,213]" italics="true" pageId="4" pageNumber="190">A. penicillatus</emphasis>
</taxonomicName>
<emphasis id="8DC1EACD020FA056FCE0FF14FCC48BC4" bold="true" box="[775,865,187,213]" pageId="4" pageNumber="190">
<taxonomicNameLabel id="96F257B6020FA056FCE0FF14FCC48BC4" box="[775,865,187,213]" pageId="4" pageNumber="190" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
<taxonomicName id="78B54D5C020FA056FC8EFF14FBF68BC5" authorityName="Yamaguchi" authorityYear="1953" box="[873,1107,187,213]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="4" pageNumber="190" phylum="Annelida" rank="species" species="japonicus">
<emphasis id="8DC1EACD020FA056FC8EFF14FBF68BC5" box="[873,1107,187,213]" italics="true" pageId="4" pageNumber="190">Aulodrilus japonicus</emphasis>
</taxonomicName>
is also clearly different from
<taxonomicName id="78B54D5C020FA056FF70FF70FE9F8BE8" authorityName="Ohtaka" authorityYear="2024" box="[151,314,223,249]" class="Clitellata" family="Naididae" genus="Aulodrilus" kingdom="Animalia" order="Tubificida" pageId="4" pageNumber="190" phylum="Annelida" rank="species" species="penicillatus" status="sp. nov.">
<emphasis id="8DC1EACD020FA056FF70FF70FE9F8BE8" box="[151,314,223,249]" italics="true" pageId="4" pageNumber="190">A. penicillatus</emphasis>
</taxonomicName>
<emphasis id="8DC1EACD020FA056FEA6FF70FE3E8BE8" bold="true" box="[321,411,223,249]" pageId="4" pageNumber="190">
<taxonomicNameLabel id="96F257B6020FA056FEA6FF70FE3E8BE8" box="[321,411,223,249]" pageId="4" pageNumber="190" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
in having hair chaetae in the dorsal bundles. The pattern of change in the distal ends of the chaetae from anterior to posterior segments suggests that tufts of bristles on the chaetae in middle and posterior segments in the present species are originated from upper teeth.
</paragraph>
</subSubSection>
</treatment>
</document>