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<document id="226132869F31ED84F2678B37150740A6" ID-DOI="10.11646/zootaxa.3664.1.1" ID-GBIF-Dataset="e5ce6301-e878-4ddd-9309-c56373686f59" ID-ISSN="1175-5326" ID-Zenodo-Dep="283786" ID-ZooBank="C8136C89-7787-477D-BC64-97AA6C16057B" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460613860799" checkinUser="plazi" docAuthor="Rodriguez, Pilar &amp; Fend, Steven V." docDate="2013" docId="154FD01D4B5EFFC1FF6E92E6BA3AC9D0" docLanguage="en" docName="zt03664p044.pdf" docOrigin="Zootaxa 3664 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Rhyacodrilus clio Rodriguez &amp; Fend, 2013, sp. n." docType="treatment" docVersion="6" lastPageNumber="19" masterDocId="E976A8654B53FFD3FFF99271B97ACD14" masterDocTitle="New species of Rhyacodrilus (Annelida: Clitellata: Rhyacodrilinae) of North America, with re-description of R. sodalis (Eisen, 1879)" masterLastPageNumber="44" masterPageNumber="1" pageNumber="14" updateTime="1698329309631" updateUser="plazi">
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<mods:title id="8665A9454FEC36D11BCBF2549C2F3CBB">New species of Rhyacodrilus (Annelida: Clitellata: Rhyacodrilinae) of North America, with re-description of R. sodalis (Eisen, 1879)</mods:title>
</mods:titleInfo>
<mods:name id="83322C88DBF666285E8061F4D9F30795" type="personal">
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<mods:namePart id="570E3DDA081FD2DD054EFDFBAAD1E522">Rodriguez, Pilar</mods:namePart>
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<mods:namePart id="776060EE56409BC1173C724B5397CAFA">Fend, Steven V.</mods:namePart>
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<mods:title id="B8FCC4AA9FC915950645A16D146AC32E">Zootaxa</mods:title>
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<mods:part id="E7987CC1551DA7B7D445F9270475F24B">
<mods:date id="F1C021F4A3345D241D45E0B5F936CEF7">2013</mods:date>
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<treatment id="154FD01D4B5EFFC1FF6E92E6BA3AC9D0" ID-DOI="http://doi.org/10.5281/zenodo.6160661" ID-GBIF-Taxon="127664163" ID-Zenodo-Dep="6160661" LSID="urn:lsid:plazi:treatment:154FD01D4B5EFFC1FF6E92E6BA3AC9D0" httpUri="http://treatment.plazi.org/id/154FD01D4B5EFFC1FF6E92E6BA3AC9D0" lastPageId="18" lastPageNumber="19" pageId="13" pageNumber="14">
<subSubSection id="D5FC32804B5EFFDEFF6E92E6B870CDC6" pageId="13" pageNumber="14" type="nomenclature">
<paragraph id="9D59610B4B5EFFDEFF6E92E6B8CFCDA5" blockId="13.[151,437,151,210]" box="[151,437,151,177]" pageId="13" pageNumber="14">
<heading id="C611D6674B5EFFDEFF6E92E6B8CFCDA5" bold="true" box="[151,437,151,177]" fontSize="11" level="1" pageId="13" pageNumber="14" reason="1">
<emphasis id="AF92BD194B5EFFDEFF6E92E6B8CFCDA5" bold="true" box="[151,437,151,177]" pageId="13" pageNumber="14">
<taxonomicName id="5AE61A884B5EFFDEFF6E92E6B811CDA5" box="[151,363,151,177]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="13" pageNumber="14" phylum="Annelida" rank="species" species="clio" status="sp. nov.">
<emphasis id="AF92BD194B5EFFDEFF6E92E6B811CDA5" bold="true" box="[151,363,151,177]" italics="true" pageId="13" pageNumber="14">Rhyacodrilus clio</emphasis>
</taxonomicName>
<taxonomicNameLabel id="B4A100624B5EFFDEFE8A92E6B8CFCDA5" box="[371,437,151,177]" pageId="13" pageNumber="14" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="9D59610B4B5EFFDEFF6E92CBB870CDC6" blockId="13.[151,437,151,210]" box="[151,266,186,210]" pageId="13" pageNumber="14">
(
<figureCitation id="05DD7D8E4B5EFFDEFF6692CBB879CDC6" box="[159,259,186,210]" captionStart-0="FIGURE 6" captionStart-1="FIGURE 7" captionStart-2="FIGURE 8" captionStartId-0="15.[151,250,1883,1906]" captionStartId-1="16.[151,250,1791,1814]" captionStartId-2="17.[151,250,1411,1434]" captionTargetBox-0="[172,1421,333,1842]" captionTargetBox-1="[159,1423,204,1756]" captionTargetBox-2="[171,1429,217,1359]" captionTargetId-0="figure@15.[151,1436,315,1862]" captionTargetId-1="figure@16.[151,1436,193,1770]" captionTargetId-2="figure@17.[151,1436,193,1390]" captionTargetPageId-0="15" captionTargetPageId-1="16" captionTargetPageId-2="17" captionText-0="FIGURE 6. Rhyacodrilus clio sp. n. A. Prostomium and anterior body region. B. Clitellum in segments X to XII. C F. Chaetae from Squaw Creek population: dorsal chaetae in segment VII (C), posterior dorsal (D), ventral chaetae in III (E), postclitellar ventral chaetae (F). G J. Chaetae from Coyote Creek population: anterior dorsal chaetae (G), posterior dorsal chaetae (H), anterior ventral (I), posterior ventral chaetae (J). K. Penis everted (histological section). L. Coelomocytes. M. Detail of one ventral gland in V (histological section)." captionText-1="FIGURE 7. Rhyacodrilus clio sp. n. Schematic drawings of reproductive organs in Squaw Creek population. A. Position of spermathecal and male pores in segments X and XI. B. Male duct. C. Reproductive organs. D. Atria in different orientation and various degrees of extrusion of the penis. E. 3 consecutive histological sections of atrium." captionText-2="FIGURE 8. Rhyacodrilus clio sp. n. A B. Coyote Creek population. A. Reproductive organs. B. Atria in different orientations and with varying degree of extrusion of the penis. C. Reproductive organs in specimens from Chalone Creek population. Drawings schematic." httpUri-0="https://zenodo.org/record/283793/files/figure.png" httpUri-1="https://zenodo.org/record/283794/files/figure.png" httpUri-2="https://zenodo.org/record/283795/files/figure.png" pageId="13" pageNumber="14">Figs 68</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="D5FC32804B5EFFDEFF6E9372B81BCE22" pageId="13" pageNumber="14" type="materials_examined">
<paragraph id="9D59610B4B5EFFDEFF6E9372BC5FCC0E" blockId="13.[151,1437,258,2011]" box="[151,1317,258,283]" pageId="13" pageNumber="14">
<emphasis id="AF92BD194B5EFFDEFF6E9372B87ECC0F" bold="true" box="[151,260,259,283]" pageId="13" pageNumber="14">
<typeStatus id="425DDFA94B5EFFDEFF6E9372B87ECC0F" box="[151,260,259,283]" pageId="13" pageNumber="14" type="holotype">Holotype</typeStatus>
</emphasis>
. USNM 1202056, dissected specimen stained in hematoxylin and mounted in
<collectingCountry id="E5F1219B4B5EFFDEFB8A9373BDBDCC0E" box="[1139,1223,258,282]" name="Canada" pageId="13" pageNumber="14">Canada</collectingCountry>
balsam.
</paragraph>
<paragraph id="9D59610B4B5EFFDEFF309356B86ECC92" blockId="13.[151,1437,258,2011]" pageId="13" pageNumber="14">
<typeStatus id="425DDFA94B5EFFDEFF309356B83BCC2B" box="[201,321,295,319]" pageId="13" pageNumber="14" type="paratype">
<emphasis id="AF92BD194B5EFFDEFF309356B83BCC2B" bold="true" box="[201,321,295,319]" pageId="13" pageNumber="14">Paratypes</emphasis>
</typeStatus>
. USNM 1202057-61: 3 dissected specimens from
<typeStatus id="425DDFA94B5EFFDEFC769356BAC5CC2B" box="[911,959,295,319]" pageId="13" pageNumber="14">type</typeStatus>
locality (
<date id="E95847CB4B5EFFDEFBC89357BDB6CC2A" box="[1073,1228,294,318]" pageId="13" pageNumber="14" value="2011-07-17">17 July 2011</date>
), 2 whole mounts from Squaw Creek at Madrone Camp (
<date id="E95847CB4B5EFFDEFDA8933BBB93CC76" box="[593,745,330,354]" pageId="13" pageNumber="14" value="2011-07-18">18 July 2011</date>
). MNCN 16.03/3080: 2 whole mounts from
<typeStatus id="425DDFA94B5EFFDEFB1B933ABC68CC77" box="[1250,1298,331,355]" pageId="13" pageNumber="14">type</typeStatus>
locality (
<date id="E95847CB4B5EFFDEFA86933BB872CC92" pageId="13" pageNumber="14" value="2011-07-17">17 July 2011</date>
).
</paragraph>
<paragraph id="9D59610B4B5EFFDEFF3093E2B9A5CCDA" blockId="13.[151,1437,258,2011]" pageId="13" pageNumber="14">
<emphasis id="AF92BD194B5EFFDEFF3093E2B818CCBF" bold="true" box="[201,354,402,427]" pageId="13" pageNumber="14">
<typeStatus id="425DDFA94B5EFFDEFF3093E2B878CCBF" box="[201,258,403,427]" pageId="13" pageNumber="14">Type</typeStatus>
locality
</emphasis>
. Squaw Creek at Chirpchatter Camp, Shasta Co., California
<geoCoordinate id="F8D207CC4B5EFFDEFBDB93E3BDE6CCBE" box="[1058,1180,402,426]" direction="north" orientation="latitude" pageId="13" pageNumber="14" precision="5" value="40.8606">N40.8606°</geoCoordinate>
<geoCoordinate id="F8D207CC4B5EFFDEFB5F93E3BC4FCCBE" box="[1190,1333,402,426]" direction="west" orientation="longitude" pageId="13" pageNumber="14" precision="5" value="-122.1205">W122.1205°</geoCoordinate>
(
<date id="E95847CB4B5EFFDEFABE93E3B9A9CCDA" pageId="13" pageNumber="14" value="2011-07-17">17 July 2011</date>
).
</paragraph>
<paragraph id="9D59610B4B5EFFDEFF3093ABB81BCE22" blockId="13.[151,1437,258,2011]" pageId="13" pageNumber="14">
<emphasis id="AF92BD194B5EFFDEFF3093ABB807CCE7" bold="true" box="[201,381,474,499]" pageId="13" pageNumber="14">Other material</emphasis>
. 7 mature whole mounts and 1 sagittally sectioned from Santa Clara Co., Coyote Creek, near Gilroy Hot Springs
<geoCoordinate id="F8D207CC4B5EFFDEFE8F938FB8A9CF02" box="[374,467,510,534]" direction="north" orientation="latitude" pageId="13" pageNumber="14" precision="555" value="37.11">N37.11°</geoCoordinate>
<geoCoordinate id="F8D207CC4B5EFFDEFE22938FBB34CF02" box="[475,590,510,534]" direction="west" orientation="longitude" pageId="13" pageNumber="14" precision="555" value="-121.47">W121.47°</geoCoordinate>
(
<date id="E95847CB4B5EFFDEFDA4938FBB88CF02" box="[605,754,510,534]" pageId="13" pageNumber="14" value="2001-07-22">22 July 2001</date>
,
<date id="E95847CB4B5EFFDEFD07938FBAE5CF02" box="[766,927,510,534]" pageId="13" pageNumber="14" value="2005-04-17">17 April 2005</date>
,
<date id="E95847CB4B5EFFDEFC53938FBD23CF02" box="[938,1113,510,534]" pageId="13" pageNumber="14" value="2010-03-26">26 March 2010</date>
,
<date id="E95847CB4B5EFFDEFB9D938FBC7FCF02" box="[1124,1285,510,534]" pageId="13" pageNumber="14" value="2011-04-16">16 April 2011</date>
). 5 dissected, and 3 whole mounts, stained with hematoxylin, from Shasta Co., Squaw Creek at Madrone Camp,
<geoCoordinate id="F8D207CC4B5EFFDEFADB9053BCE1CF2E" box="[1314,1435,546,570]" direction="north" orientation="latitude" pageId="13" pageNumber="14" precision="5" value="40.9276">N40.9276°</geoCoordinate>
<geoCoordinate id="F8D207CC4B5EFFDEFF6E9037B85FCF4A" box="[151,293,582,606]" direction="west" orientation="longitude" pageId="13" pageNumber="14" precision="5" value="-122.0972">W122.0972°</geoCoordinate>
(
<date id="E95847CB4B5EFFDEFEC29037B884CF4A" box="[315,510,582,607]" pageId="13" pageNumber="14" value="1999-08-19">19 August 1999</date>
), 12 whole mounts (
<date id="E95847CB4B5EFFDEFD009037BAE0CF4A" box="[761,922,582,606]" pageId="13" pageNumber="14" value="2011-07-18">18 July 2011</date>
). 3 whole mounts, 9 dissected, 3 sagittally sectioned specimens from Squaw Creek at Chirpchatter Camp,
<geoCoordinate id="F8D207CC4B5EFFDEFC90901BBA99CF96" box="[873,995,618,642]" direction="north" orientation="latitude" pageId="13" pageNumber="14" precision="5" value="40.8606">N40.8606°</geoCoordinate>
<geoCoordinate id="F8D207CC4B5EFFDEFC15901BBD01CF96" box="[1004,1147,618,642]" direction="west" orientation="longitude" pageId="13" pageNumber="14" precision="5" value="-122.1205">W122.1205°</geoCoordinate>
(
<date id="E95847CB4B5EFFDEFB75901BBC5ECF96" box="[1164,1316,618,642]" pageId="13" pageNumber="14" value="2011-07-17">17 July 2011</date>
). 5 mature whole-mounts from Napa Co., Napa River drainage, Ritchey Creek,
<geoCoordinate id="F8D207CC4B5EFFDEFC4790FFBD42CFB2" box="[958,1080,654,678]" direction="north" orientation="latitude" pageId="13" pageNumber="14" precision="5" value="38.5515">N38.5515°</geoCoordinate>
<geoCoordinate id="F8D207CC4B5EFFDEFBBA90FFBDA8CFB2" box="[1091,1234,654,678]" direction="west" orientation="longitude" pageId="13" pageNumber="14" precision="5" value="-122.5219">W122.5219°</geoCoordinate>
(
<date id="E95847CB4B5EFFDEFB1C90FFBCEACFB2" box="[1253,1424,654,678]" pageId="13" pageNumber="14" value="2004-04-25">25 April 2004</date>
), collected by R.W. Wisseman. 1 mature whole mount from Santa Cruz Co., San Lorenzo River, approx.
<geoCoordinate id="F8D207CC4B5EFFDEFAC790C3BCE6CFDE" box="[1342,1436,690,714]" direction="north" orientation="latitude" pageId="13" pageNumber="14" precision="555" value="37.02">N37.02°</geoCoordinate>
<geoCoordinate id="F8D207CC4B5EFFDEFF6E90A7B870CFFA" box="[151,266,726,750]" direction="west" orientation="longitude" pageId="13" pageNumber="14" precision="555" value="-122.06">W122.06°</geoCoordinate>
(
<date id="E95847CB4B5EFFDEFEE590A7B8C5CFFA" box="[284,447,726,751]" pageId="13" pageNumber="14" value="1998-05-22">22 May 1998</date>
). 6 mature or nearly mature whole mounts from San Benito Co., Pinnacles National Monument, Chalone Creek near lower park boundary,
<geoCoordinate id="F8D207CC4B5EFFDEFCE4908BBAE2CE06" box="[797,920,762,786]" direction="north" orientation="latitude" pageId="13" pageNumber="14" precision="5" value="36.4598">N36.4598°</geoCoordinate>
<geoCoordinate id="F8D207CC4B5EFFDEFC5D908BBD49CE06" box="[932,1075,762,786]" direction="west" orientation="longitude" pageId="13" pageNumber="14" precision="5" value="-121.1549">W121.1549°</geoCoordinate>
(
<date id="E95847CB4B5EFFDEFBBF908BBC7BCE06" box="[1094,1281,762,786]" pageId="13" pageNumber="14" value="2004-03-27">27 March 2004</date>
). All sites in California (
<collectingCountry id="E5F1219B4B5EFFDEFEE1916FB82CCE22" box="[280,342,798,822]" name="United States of America" pageId="13" pageNumber="14">USA</collectingCountry>
).
</paragraph>
</subSubSection>
<subSubSection id="D5FC32804B5EFFDEFF309132BC7CCEB6" pageId="13" pageNumber="14" type="etymology">
<paragraph id="9D59610B4B5EFFDEFF309132BC7CCEB6" blockId="13.[151,1437,258,2011]" pageId="13" pageNumber="14">
<emphasis id="AF92BD194B5EFFDEFF309132B832CE4F" bold="true" box="[201,328,835,859]" pageId="13" pageNumber="14">Etymology</emphasis>
. Named after
<taxonomicName id="5AE61A884B5EFFDEFE149133BB67CE4E" box="[493,541,834,858]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="13" pageNumber="44" phylum="Annelida" rank="species" species="clio" status="sp. nov.">Clio</taxonomicName>
(Greek
<emphasis id="AF92BD194B5EFFDEFD859132BBC2CE4F" box="[636,696,835,859]" italics="true" pageId="13" pageNumber="14">Kleio</emphasis>
), the Latin name of the muse of history, and thus also of natural history. &quot;To thee, O Muse, has been vouchsafed the power to know the hearts of the gods and the ways by which things come to be&quot; (
<emphasis id="AF92BD194B5EFFDEFE8091FABD63CEB7" box="[377,1049,907,931]" italics="true" pageId="13" pageNumber="14">
<taxonomicName id="5AE61A884B5EFFDEFE8091FABBB7CEB7" authority="Flaccus, Argonautica" authorityName="Flaccus, Argonautica" box="[377,717,907,931]" class="Insecta" family="Passalidae" genus="Valerius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="13" pageNumber="14" phylum="Arthropoda" rank="genus">Valerius Flaccus, Argonautica</taxonomicName>
3, 1A.D. (trans. J.H. Mozley)
</emphasis>
. Noun in apposition.
</paragraph>
</subSubSection>
<subSubSection id="D5FC32804B5EFFC2FF3E91DFB89DCAB3" lastPageId="17" lastPageNumber="18" pageId="13" pageNumber="14" type="description">
<paragraph id="9D59610B4B5EFFDEFF3E91DFBD6FC942" blockId="13.[151,1437,258,2011]" pageId="13" pageNumber="14">
<emphasis id="AF92BD194B5EFFDEFF3E91DFB82BCED3" bold="true" box="[199,337,942,967]" pageId="13" pageNumber="14">Description</emphasis>
(from specimens of the
<typeStatus id="425DDFA94B5EFFDEFD9191DEBBE2CED3" box="[616,664,943,967]" pageId="13" pageNumber="14">type</typeStatus>
locality). Elongated, rounded prostomium (140200 µm long) (
<figureCitation id="05DD7D8E4B5EFFDEFA9791DFB9DCCEFE" captionStart="FIGURE 6" captionStartId="15.[151,250,1883,1906]" captionTargetBox="[172,1421,333,1842]" captionTargetId="figure@15.[151,1436,315,1862]" captionTargetPageId="15" captionText="FIGURE 6. Rhyacodrilus clio sp. n. A. Prostomium and anterior body region. B. Clitellum in segments X to XII. C F. Chaetae from Squaw Creek population: dorsal chaetae in segment VII (C), posterior dorsal (D), ventral chaetae in III (E), postclitellar ventral chaetae (F). G J. Chaetae from Coyote Creek population: anterior dorsal chaetae (G), posterior dorsal chaetae (H), anterior ventral (I), posterior ventral chaetae (J). K. Penis everted (histological section). L. Coelomocytes. M. Detail of one ventral gland in V (histological section)." httpUri="https://zenodo.org/record/283793/files/figure.png" pageId="13" pageNumber="14">Fig. 6</figureCitation>
A). Diameter of the body in segment VIII (whole-mounted specimens) 210340 µm; maximum diameter at clitellum up to 390 μm. Length of preserved worms
<quantity id="5A1ECCEE4B5EFFDEFD229187BA32C91A" box="[731,840,1014,1038]" metricMagnitude="-2" metricUnit="m" metricValue="1.15" metricValueMax="1.5" metricValueMin="0.8" pageId="13" pageNumber="14" unit="mm" value="11.5" valueMax="15.0" valueMin="8.0">815 mm</quantity>
, 5673 segments. Epidermis non-glandular, 610 µm high in anterior segments. Clitellum from level of chaetae in X to XII and weaker in XIII, thickest dorsally and laterally, 1626 µm high, usually with distinctly glandular epithelium (
<figureCitation id="05DD7D8E4B5EFFDEFC49964FBA89C942" box="[944,1011,1086,1110]" captionStart="FIGURE 6" captionStartId="15.[151,250,1883,1906]" captionTargetBox="[172,1421,333,1842]" captionTargetId="figure@15.[151,1436,315,1862]" captionTargetPageId="15" captionText="FIGURE 6. Rhyacodrilus clio sp. n. A. Prostomium and anterior body region. B. Clitellum in segments X to XII. C F. Chaetae from Squaw Creek population: dorsal chaetae in segment VII (C), posterior dorsal (D), ventral chaetae in III (E), postclitellar ventral chaetae (F). G J. Chaetae from Coyote Creek population: anterior dorsal chaetae (G), posterior dorsal chaetae (H), anterior ventral (I), posterior ventral chaetae (J). K. Penis everted (histological section). L. Coelomocytes. M. Detail of one ventral gland in V (histological section)." httpUri="https://zenodo.org/record/283793/files/figure.png" pageId="13" pageNumber="14">Fig. 6</figureCitation>
B).
</paragraph>
<paragraph id="9D59610B4B5EFFDEFF309613B897CB82" blockId="13.[151,1437,258,2011]" pageId="13" pageNumber="14">
Dorsal bundles composed of 13 hairs (commonly
<quantity id="5A1ECCEE4B5EFFDEFCED9613BA38C96E" box="[788,834,1122,1146]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="13" pageNumber="14" unit="in" value="2.0">2 in</quantity>
anterior segments,
<quantity id="5A1ECCEE4B5EFFDEFBDA9613BD2AC96E" box="[1059,1104,1122,1146]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="13" pageNumber="14" unit="in" value="1.0">1 in</quantity>
posterior segments) and 13 bifid chaetae. Hair chaetae smooth, usually longer than body diameter in anterior segments, the longest in each bundle 250450 μm. Dorsal bifid (or pectinate) chaetae (7086 µm long) in anterior segments (shorter in II), with very fine intermediate teeth (only visible at
<date id="E95847CB4B5EFFDEFD6396BFBB9EC9F2" box="[666,740,1230,1254]" pageId="13" pageNumber="14" value="1000-10">1000x</date>
), lateral teeth equally long and lyre- or narrowly U-shaped; dorsal bifids shorter and teeth equal in posterior segments, without intermediate teeth (
<figureCitation id="05DD7D8E4B5EFFDEFB989683BDDFC81E" box="[1121,1189,1266,1290]" captionStart="FIGURE 6" captionStartId="15.[151,250,1883,1906]" captionTargetBox="[172,1421,333,1842]" captionTargetId="figure@15.[151,1436,315,1862]" captionTargetPageId="15" captionText="FIGURE 6. Rhyacodrilus clio sp. n. A. Prostomium and anterior body region. B. Clitellum in segments X to XII. C F. Chaetae from Squaw Creek population: dorsal chaetae in segment VII (C), posterior dorsal (D), ventral chaetae in III (E), postclitellar ventral chaetae (F). G J. Chaetae from Coyote Creek population: anterior dorsal chaetae (G), posterior dorsal chaetae (H), anterior ventral (I), posterior ventral chaetae (J). K. Penis everted (histological section). L. Coelomocytes. M. Detail of one ventral gland in V (histological section)." httpUri="https://zenodo.org/record/283793/files/figure.png" pageId="13" pageNumber="14">Fig. 6</figureCitation>
C, D). Ventral chaetae bifid; anterior ventral chaetae 56 per bundle, 7079 µm long, shorter in II, with distal tooth slightly longer than proximal and about as thick; unmodified ventral chaetae in segment X; posterior ventral chaetae 36 per bundle (7077 µm long) with distal tooth thinner and equal to or shorter than proximal (
<figureCitation id="05DD7D8E4B5EFFDEFBE0972FBD26C862" box="[1049,1116,1374,1398]" captionStart="FIGURE 6" captionStartId="15.[151,250,1883,1906]" captionTargetBox="[172,1421,333,1842]" captionTargetId="figure@15.[151,1436,315,1862]" captionTargetPageId="15" captionText="FIGURE 6. Rhyacodrilus clio sp. n. A. Prostomium and anterior body region. B. Clitellum in segments X to XII. C F. Chaetae from Squaw Creek population: dorsal chaetae in segment VII (C), posterior dorsal (D), ventral chaetae in III (E), postclitellar ventral chaetae (F). G J. Chaetae from Coyote Creek population: anterior dorsal chaetae (G), posterior dorsal chaetae (H), anterior ventral (I), posterior ventral chaetae (J). K. Penis everted (histological section). L. Coelomocytes. M. Detail of one ventral gland in V (histological section)." httpUri="https://zenodo.org/record/283793/files/figure.png" pageId="13" pageNumber="14">Fig. 6</figureCitation>
E, F). One pair spermathecal pores at the beginning of segment X, in line with ventral chaetae; a pair of transverse (crescent-shaped) shallow grooves (3545 μm long) just anterior to spermathecal pores, the thicker ends extending mediad, nearly conjoined near the midline, forming a narrow, slightly raised (5070 μm long, 1224 μm high) anchorage bridge (Cuadrado &amp; Martínez-Ansemil 2001) between spermathecal pores (
<figureCitation id="05DD7D8E4B5EFFDEFCC7979FBAF2CB12" box="[830,904,1518,1542]" captionStart="FIGURE 7" captionStartId="16.[151,250,1791,1814]" captionTargetBox="[159,1423,204,1756]" captionTargetId="figure@16.[151,1436,193,1770]" captionTargetPageId="16" captionText="FIGURE 7. Rhyacodrilus clio sp. n. Schematic drawings of reproductive organs in Squaw Creek population. A. Position of spermathecal and male pores in segments X and XI. B. Male duct. C. Reproductive organs. D. Atria in different orientation and various degrees of extrusion of the penis. E. 3 consecutive histological sections of atrium." httpUri="https://zenodo.org/record/283794/files/figure.png" pageId="13" pageNumber="14">Fig. 7</figureCitation>
A). One pair male pores in posterior part of segment XI, in line with ventral chaetae. Modified penial chaetae (7694 µm long) in segment XI, usually 2 per bundle (sometimes with an additional, shorter replacement), although the number of penial chaetae varies among different populations ascribed to the species (see
<tableCitation id="D06454B04B5EFFDEFD24942BBA4DCB66" box="[733,823,1626,1650]" captionStart="TABLE 2" captionStartId="14.[119,205,634,656]" captionText="TABLE 2. Characteristics of the populations ascribed to Rhyacodrilus clio sp. n." pageId="13" pageNumber="14">Table 2</tableCitation>
). Penial chaetae simple-pointed or faintly bifid, and nodulus at 0.2 from distal end.
</paragraph>
<paragraph id="9D59610B4B5EFFDEFF3094D2BA35CACE" blockId="13.[151,1437,258,2011]" pageId="13" pageNumber="14">
Very abundant nucleated and granulated coelomocytes, diameter 1225 µm (
<figureCitation id="05DD7D8E4B5EFFDEFBB894D3BDFDCBAE" box="[1089,1159,1698,1722]" captionStart="FIGURE 6" captionStartId="15.[151,250,1883,1906]" captionTargetBox="[172,1421,333,1842]" captionTargetId="figure@15.[151,1436,315,1862]" captionTargetPageId="15" captionText="FIGURE 6. Rhyacodrilus clio sp. n. A. Prostomium and anterior body region. B. Clitellum in segments X to XII. C F. Chaetae from Squaw Creek population: dorsal chaetae in segment VII (C), posterior dorsal (D), ventral chaetae in III (E), postclitellar ventral chaetae (F). G J. Chaetae from Coyote Creek population: anterior dorsal chaetae (G), posterior dorsal chaetae (H), anterior ventral (I), posterior ventral chaetae (J). K. Penis everted (histological section). L. Coelomocytes. M. Detail of one ventral gland in V (histological section)." httpUri="https://zenodo.org/record/283793/files/figure.png" pageId="13" pageNumber="14">Fig. 6</figureCitation>
L). Pharynx short, in II. Pharyngeal glands dorsal and ventral to the gut in IVV, ventral only in VI; sometimes inconspicuous. Chloragogen layer covering the gut from segment VI. Small clusters of glandular cells on either side of ventral nerve cord; 24 pairs per segment beginning at about IV, and continuing through a few post-atrial segments, with narrow cellular extensions through ventral body wall, but without obvious pores (
<figureCitation id="05DD7D8E4B5EFFDEFBC89543BD0ECA5E" box="[1073,1140,1842,1866]" captionStart="FIGURE 6" captionStartId="15.[151,250,1883,1906]" captionTargetBox="[172,1421,333,1842]" captionTargetId="figure@15.[151,1436,315,1862]" captionTargetPageId="15" captionText="FIGURE 6. Rhyacodrilus clio sp. n. A. Prostomium and anterior body region. B. Clitellum in segments X to XII. C F. Chaetae from Squaw Creek population: dorsal chaetae in segment VII (C), posterior dorsal (D), ventral chaetae in III (E), postclitellar ventral chaetae (F). G J. Chaetae from Coyote Creek population: anterior dorsal chaetae (G), posterior dorsal chaetae (H), anterior ventral (I), posterior ventral chaetae (J). K. Penis everted (histological section). L. Coelomocytes. M. Detail of one ventral gland in V (histological section)." httpUri="https://zenodo.org/record/283793/files/figure.png" pageId="13" pageNumber="14">Fig. 6</figureCitation>
M). First nephridia visible in VIII in some specimens, or only in postclitellar segments in others; nephridia occur irregularly in postclitellar segments; postseptale granular and usually elongate-narrow; efferent duct and nephropore small and inconspicuous. One pair testes in segment X and one pair ovaries in segment XI. Sperm sac forwards to segment IX and backwards as far as XVIII. Egg sac back to segment XIX.
</paragraph>
<caption id="C99931834B5DFFDDFF8E900BBAD4CF84" box="[119,942,634,656]" pageId="14" pageNumber="15">
<paragraph id="9D59610B4B5DFFDDFF8E900BBAD4CF84" blockId="14.[119,942,634,656]" box="[119,942,634,656]" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF8E900BB99CCF84" bold="true" box="[119,230,634,656]" pageId="14" pageNumber="15">TABLE 2.</emphasis>
Characteristics of the populations ascribed to
<taxonomicName id="5AE61A884B5DFFDDFD45900BBA15CF9B" box="[700,879,634,655]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="14" pageNumber="15" phylum="Annelida" rank="species" species="clio" status="sp. nov.">
<emphasis id="AF92BD194B5DFFDDFD45900BBA15CF9B" box="[700,879,634,655]" italics="true" pageId="14" pageNumber="15">Rhyacodrilus clio</emphasis>
</taxonomicName>
<taxonomicNameLabel id="B4A100624B5DFFDDFC8C900BBAD4CF84" box="[885,942,634,656]" pageId="14" pageNumber="15" rank="species">sp. n.</taxonomicNameLabel>
</paragraph>
</caption>
<paragraph id="9D59610B4B5DFFDDFF8E90DCBCA1CFD7" blockId="14.[119,1867,685,1202]" box="[119,1499,685,707]" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF8E90DCBCA1CFD7" bold="true" box="[119,1499,685,707]" pageId="14" pageNumber="15">Locality Body Hair Dorsal Ventral Penial Spermatheca Maleduct</emphasis>
</paragraph>
<paragraph id="9D59610B4B5DFFDDFF1690A2BAA0CFFD" blockId="14.[119,1867,685,1202]" box="[239,986,723,745]" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF1690A2BAA0CFFD" bold="true" box="[239,986,723,745]" pageId="14" pageNumber="15">diameter chaetae: bifids: chaetae: chaetae:</emphasis>
</paragraph>
<paragraph id="9D59610B4B5DFFDDFF169088BAAECE1B" blockId="14.[119,1867,685,1202]" box="[239,980,761,783]" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF169088BAAECE1B" bold="true" box="[239,980,761,783]" pageId="14" pageNumber="15">in VIII number number number number</emphasis>
</paragraph>
<paragraph id="9D59610B4B5DFFDDFF16916EBAAECE21" blockId="14.[119,1867,685,1202]" box="[239,980,799,821]" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF16916EBAAECE21" bold="true" box="[239,980,799,821]" pageId="14" pageNumber="15">(µm) (length) (length). (length) (length)</emphasis>
</paragraph>
<paragraph id="9D59610B4B5DFFDDFDD09134BBD7CE4F" blockId="14.[119,1867,685,1202]" box="[553,685,837,859]" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFDD09134BBD7CE4F" bold="true" box="[553,685,837,859]" pageId="14" pageNumber="15">Pectinations</emphasis>
</paragraph>
<paragraph id="9D59610B4B5DFFDDFF8E911DBE5ECE96" blockId="14.[119,1867,685,1202]" box="[119,1828,876,898]" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF8E911DB9BACE96" bold="true" box="[119,192,876,898]" pageId="14" pageNumber="15">Squaw</emphasis>
210340 13 (longest 13 (70
<date id="E95847CB4B5DFFDDFD7C911DBBE4CE96" box="[645,670,876,898]" pageId="14" pageNumber="15" value="1986-06-03">86</date>
36 (7079 2 (7694 µm) Short duct (2655 µm long), Ampulla (50
<date id="E95847CB4B5DFFDDFA02911DBF6ECE96" box="[1531,1556,876,898]" pageId="14" pageNumber="15" value="1980-10">80</date>
x 3660 µm), a short neck
</paragraph>
<paragraph id="9D59610B4B5DFFDDFF8E91E3BE33CEBC" blockId="14.[119,1867,685,1202]" box="[119,1865,914,936]" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF8E91E3B9C3CEBC" bold="true" box="[119,185,914,936]" pageId="14" pageNumber="15">Creek</emphasis>
to 250450 µm). Fine µm) shorter One as long as wide (diameter 2030 µm) and a long, inflated atrial
</paragraph>
<paragraph id="9D59610B4B5DFFDDFE8791C8BD73CEE0" blockId="14.[119,1867,685,1202]" pageId="14" pageNumber="15">
µm) intermediate in II specimen duct (70100
<date id="E95847CB4B5DFFDDFA0291C8BF5CCEDA" box="[1531,1574,952,974]" pageId="14" pageNumber="15" value="1955-10">x 55</date>
75 µm) teeth with 5 on one
</paragraph>
<paragraph id="9D59610B4B5DFFDDFC869675BAD2C90E" blockId="14.[119,1867,685,1202]" box="[895,936,1028,1050]" pageId="14" pageNumber="15">side</paragraph>
<paragraph id="9D59610B4B5DFFDDFF8E965BBE31C954" blockId="14.[119,1867,685,1202]" box="[119,1867,1066,1088]" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF8E965BB9B9C954" bold="true" box="[119,195,1066,1088]" pageId="14" pageNumber="15">Coyote</emphasis>
203238 12 (150375 13 (46
<date id="E95847CB4B5DFFDDFD7C965BBBE4C954" box="[645,670,1066,1088]" pageId="14" pageNumber="15" value="1965-06-03">65</date>
36 (5771 1 (5869 µm) Short duct (5166 µm long), Small globular ampulla (41
<date id="E95847CB4B5DFFDDF969965BBFD0C954" box="[1680,1706,1066,1088]" pageId="14" pageNumber="15" value="1957-10">57</date>
x 3551 µm), a
</paragraph>
<paragraph id="9D59610B4B5DFFDDFF8E9621BB20C9A6" blockId="14.[119,1867,685,1202]" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF8E9621B9C3C972" bold="true" box="[119,185,1104,1126]" pageId="14" pageNumber="15">Creek</emphasis>
µm) µm). No µm) shorter as long as wide short neck (diameter 2224 µm) and a long, intermediate in II inflated atrial duct (78
<date id="E95847CB4B5DFFDDF9A59606BF0FC998" box="[1628,1653,1143,1164]" pageId="14" pageNumber="15" value="1998-10">98</date>
x 4572 µm) teeth
</paragraph>
<paragraph id="9D59610B4B5DFFDDFF8E96A0BB17C86A" pageId="14" pageNumber="15">
<table id="EFE693AB4B5D002CFF8E96A0BE41C86B" box="[119,1851,1233,1407]" gridcols="8" gridrows="5" pageId="14" pageNumber="15">
<tr id="23D663494B5D002CFF8E96A0BE41C9F3" box="[119,1851,1233,1255]" gridrow="0" pageId="14" pageNumber="15">
<th id="60070A354B5D002CFF8E96A0B9ABC9F3" box="[119,209,1233,1255]" gridcol="0" gridrow="0" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF8E96A0B9ABC9F3" bold="true" box="[119,209,1233,1255]" pageId="14" pageNumber="15">Chalone</emphasis>
</th>
<th id="60070A354B5D002CFF1696A0B832C9F3" box="[239,328,1233,1255]" gridcol="1" gridrow="0" pageId="14" pageNumber="15">170250</th>
<th id="60070A354B5D002CFE8796A0B881C9F3" box="[382,507,1233,1255]" gridcol="2" gridrow="0" pageId="14" pageNumber="15">13 (longest</th>
<th id="60070A354B5D002CFDD096A0BBD3C9F3" box="[553,681,1233,1255]" gridcol="3" gridrow="0" pageId="14" pageNumber="15">23 bifid</th>
<th id="60070A354B5D002CFD2D96A0BA37C9F3" box="[724,845,1233,1255]" gridcol="4" gridrow="0" pageId="14" pageNumber="15">(4)57 (53</th>
<th id="60070A354B5D002CFC8696A0BD70C9F3" box="[895,1034,1233,1255]" gridcol="5" gridrow="0" pageId="14" pageNumber="15">3 (6778 µm)</th>
<th id="60070A354B5D002CFBD396A0BC3FC9F3" box="[1066,1349,1233,1255]" gridcol="6" gridrow="0" pageId="14" pageNumber="15">Short duct (6570 µm long)</th>
<th id="60070A354B5D002CFA9796A0BE41C9F3" box="[1390,1851,1233,1255]" gridcol="7" gridrow="0" pageId="14" pageNumber="15">Ampulla (3045 x 2235 µm), separated by a</th>
</tr>
<tr id="23D663494B5D002CFF8E9686BE41C819" box="[119,1851,1271,1293]" gridrow="1" pageId="14" pageNumber="15" rowspan-1="1" rowspan-5="1">
<th id="60070A354B5D002CFF8E9686B9ABC819" box="[119,209,1271,1293]" gridcol="0" gridrow="1" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF8E9686B9C3C819" bold="true" box="[119,185,1271,1293]" pageId="14" pageNumber="15">Creek</emphasis>
</th>
<td id="60070A354B5D002CFE879686B881C819" box="[382,507,1271,1293]" gridcol="2" gridrow="1" pageId="14" pageNumber="15">to 210380</td>
<td id="60070A354B5D002CFDD09686BBD3C819" box="[553,681,1271,1293]" gridcol="3" gridrow="1" pageId="14" pageNumber="15">(5370 µm).</td>
<td id="60070A354B5D002CFD2D9686BA37C819" box="[724,845,1271,1293]" gridcol="4" gridrow="1" pageId="14" pageNumber="15">70 µm)</td>
<td id="60070A354B5D002CFBD39686BC3FC819" box="[1066,1349,1271,1293]" gridcol="6" gridrow="1" pageId="14" pageNumber="15">nearly 2 times longer than</td>
<td id="60070A354B5D002CFA979686BE41C819" box="[1390,1851,1271,1293]" gridcol="7" gridrow="1" pageId="14" pageNumber="15">constriction from a long, inflated atrial duct</td>
</tr>
<tr id="23D663494B5D002CFF8E976CBE41C827" box="[119,1851,1309,1331]" gridrow="2" pageId="14" pageNumber="15" rowspan-0="1" rowspan-1="1" rowspan-4="1" rowspan-5="1">
<td id="60070A354B5D002CFE87976CB881C827" box="[382,507,1309,1331]" gridcol="2" gridrow="2" pageId="14" pageNumber="15">µm)</td>
<td id="60070A354B5D002CFDD0976CBBD3C827" box="[553,681,1309,1331]" gridcol="3" gridrow="2" pageId="14" pageNumber="15">No</td>
<td id="60070A354B5D002CFBD3976CBC3FC827" box="[1066,1349,1309,1331]" gridcol="6" gridrow="2" pageId="14" pageNumber="15">wide)</td>
<td id="60070A354B5D002CFA97976CBE41C827" box="[1390,1851,1309,1331]" gridcol="7" gridrow="2" pageId="14" pageNumber="15">(6789 x 3355 µm)</td>
</tr>
<tr id="23D663494B5D002CFF8E9732BE41C84D" box="[119,1851,1347,1369]" gridrow="3" pageId="14" pageNumber="15" rowspan-0="1" rowspan-1="1" rowspan-2="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1">
<td id="60070A354B5D002CFDD09732BBD3C84D" box="[553,681,1347,1369]" gridcol="3" gridrow="3" pageId="14" pageNumber="15">intermediate</td>
</tr>
<tr id="23D663494B5D002CFF8E9718BE41C86B" box="[119,1851,1385,1407]" gridrow="4" pageId="14" pageNumber="15" rowspan-0="1" rowspan-1="1" rowspan-2="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1">
<td id="60070A354B5D002CFDD09718BBD3C86B" box="[553,681,1385,1407]" gridcol="3" gridrow="4" pageId="14" pageNumber="15">teeth?</td>
</tr>
</table>
</paragraph>
<paragraph id="9D59610B4B5DFFDDFF8E97C4BB07CB29" pageId="14" pageNumber="15">
<table id="EFE693AB4B5D002CFF8E97C4BE5FCB29" box="[119,1829,1461,1597]" gridcols="8" gridrows="4" pageId="14" pageNumber="15">
<tr id="23D663494B5D002CFF8E97C4BE5FC8DF" box="[119,1829,1461,1483]" gridrow="0" pageId="14" pageNumber="15">
<th id="60070A354B5D002CFF8E97C4B9B0C8DF" box="[119,202,1461,1483]" gridcol="0" gridrow="0" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF8E97C4B9B0C8DF" bold="true" box="[119,202,1461,1483]" pageId="14" pageNumber="15">Ritchey</emphasis>
</th>
<th id="60070A354B5D002CFF1697C4B832C8DF" box="[239,328,1461,1483]" gridcol="1" gridrow="0" pageId="14" pageNumber="15">290310</th>
<th id="60070A354B5D002CFE8797C4BB79C8DF" box="[382,515,1461,1483]" gridcol="2" gridrow="0" pageId="14" pageNumber="15">12(3) (290</th>
<th id="60070A354B5D002CFDD097C4BBD7C8DF" box="[553,685,1461,1483]" gridcol="3" gridrow="0" pageId="14" pageNumber="15">23 (7491).</th>
<th id="60070A354B5D002CFD2D97C4BA33C8DF" box="[724,841,1461,1483]" gridcol="4" gridrow="0" pageId="14" pageNumber="15">47 (7277</th>
<th id="60070A354B5D002CFC8697C4BD70C8DF" box="[895,1034,1461,1483]" gridcol="5" gridrow="0" pageId="14" pageNumber="15">2 (7679 µm)</th>
<th id="60070A354B5D002CFBD397C4BC68C8DF" box="[1066,1298,1461,1483]" gridcol="6" gridrow="0" pageId="14" pageNumber="15">Short duct (4050 µm)</th>
<th id="60070A354B5D002CFA9497C4BE5FC8DF" box="[1389,1829,1461,1483]" gridcol="7" gridrow="0" pageId="14" pageNumber="15">Ampulla globular to ovate, (4060 x 3545</th>
</tr>
<tr id="23D663494B5D002CFF8E97AABE5FC8E5" box="[119,1829,1499,1521]" gridrow="1" pageId="14" pageNumber="15" rowspan-1="1" rowspan-5="1" rowspan-6="1">
<th id="60070A354B5D002CFF8E97AAB9B0C8E5" box="[119,202,1499,1521]" gridcol="0" gridrow="1" pageId="14" pageNumber="15">
<emphasis id="AF92BD194B5DFFDDFF8E97AAB9C3C8E5" bold="true" box="[119,185,1499,1521]" pageId="14" pageNumber="15">Creek</emphasis>
</th>
<td id="60070A354B5D002CFE8797AABB79C8E5" box="[382,515,1499,1521]" gridcol="2" gridrow="1" pageId="14" pageNumber="15">500 µm)</td>
<td id="60070A354B5D002CFDD097AABBD7C8E5" box="[553,685,1499,1521]" gridcol="3" gridrow="1" pageId="14" pageNumber="15">Fine</td>
<td id="60070A354B5D002CFD2D97AABA33C8E5" box="[724,841,1499,1521]" gridcol="4" gridrow="1" pageId="14" pageNumber="15">µm)</td>
<td id="60070A354B5D002CFA9497AABE5FC8E5" box="[1389,1829,1499,1521]" gridcol="7" gridrow="1" pageId="14" pageNumber="15">um). Duct not clearly visible</td>
</tr>
<tr id="23D663494B5D002CFF8E9470BE5FCB03" box="[119,1829,1537,1559]" gridrow="2" pageId="14" pageNumber="15" rowspan-0="1" rowspan-1="1" rowspan-2="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1">
<td id="60070A354B5D002CFDD09470BBD7CB03" box="[553,685,1537,1559]" gridcol="3" gridrow="2" pageId="14" pageNumber="15">intermediate</td>
</tr>
<tr id="23D663494B5D002CFF8E9456BE5FCB29" box="[119,1829,1575,1597]" gridrow="3" pageId="14" pageNumber="15" rowspan-0="1" rowspan-1="1" rowspan-2="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1">
<td id="60070A354B5D002CFDD09456BBD7CB29" box="[553,685,1575,1597]" gridcol="3" gridrow="3" pageId="14" pageNumber="15">teeth (?)</td>
</tr>
</table>
</paragraph>
<paragraph id="9D59610B4B5CFFDCFF3092E6BDE3CC08" blockId="15.[151,1436,151,285]" pageId="15" pageNumber="16">
Spermathecae with a short duct (2655 µm long, 3555 µm wide) with high columnar epithelial cells. Spermathecal ampulla large and elongate-sacciform (150340 µm long, 100150 μm wide); epithelium in unmated worms irregular, 1025 μm high (thickest near duct), in mated worms thin (36 μm) and more uniform; ampulla usually confined to segment X (
<figureCitation id="05DD7D8E4B5CFFDCFE059375BB3ACC08" box="[508,576,260,284]" captionStart="FIGURE 7" captionStartId="16.[151,250,1791,1814]" captionTargetBox="[159,1423,204,1756]" captionTargetId="figure@16.[151,1436,193,1770]" captionTargetPageId="16" captionText="FIGURE 7. Rhyacodrilus clio sp. n. Schematic drawings of reproductive organs in Squaw Creek population. A. Position of spermathecal and male pores in segments X and XI. B. Male duct. C. Reproductive organs. D. Atria in different orientation and various degrees of extrusion of the penis. E. 3 consecutive histological sections of atrium." httpUri="https://zenodo.org/record/283794/files/figure.png" pageId="15" pageNumber="16">Fig. 7</figureCitation>
C). Sperm free in the lumen of spermathecal ampulla.
</paragraph>
<caption id="C99931834B5CFFDCFF6E952ABB4BCAF8" httpUri="https://zenodo.org/record/283793/files/figure.png" pageId="15" pageNumber="16" targetBox="[172,1421,333,1842]" targetPageId="15">
<paragraph id="9D59610B4B5CFFDCFF6E952ABB4BCAF8" blockId="15.[151,1436,1883,2028]" pageId="15" pageNumber="16">
<emphasis id="AF92BD194B5CFFDCFF6E952AB868CA64" bold="true" box="[151,274,1883,1906]" pageId="15" pageNumber="16">FIGURE 6.</emphasis>
<taxonomicName id="5AE61A884B5CFFDCFEE1952AB8B0CA65" box="[280,458,1883,1905]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="15" pageNumber="16" phylum="Annelida" rank="species" species="clio" status="sp. nov.">
<emphasis id="AF92BD194B5CFFDCFEE1952AB8B0CA65" box="[280,458,1883,1905]" italics="true" pageId="15" pageNumber="16">Rhyacodrilus clio</emphasis>
</taxonomicName>
<emphasis id="AF92BD194B5CFFDCFE29952DBB5ACA64" bold="true" box="[464,544,1883,1905]" pageId="15" pageNumber="16">
<taxonomicNameLabel id="B4A100624B5CFFDCFE29952DBB72CA65" box="[464,520,1884,1905]" pageId="15" pageNumber="16" rank="species">sp. n.</taxonomicNameLabel>
A
</emphasis>
. Prostomium and anterior body region.
<emphasis id="AF92BD194B5CFFDCFC4B952DBAB9CA65" bold="true" box="[946,963,1884,1905]" pageId="15" pageNumber="16">B</emphasis>
. Clitellum in segments X to XII.
<emphasis id="AF92BD194B5CFFDCFAEB952ABC45CA66" bold="true" box="[1298,1343,1883,1906]" pageId="15" pageNumber="16">CF</emphasis>
. Chaetae from Squaw Creek population: dorsal chaetae in segment VII (C), posterior dorsal (D), ventral chaetae in III (E), postclitellar ventral chaetae (F).
<emphasis id="AF92BD194B5CFFDCFE9095E9B8ECCABB" bold="true" box="[361,406,1944,1967]" pageId="15" pageNumber="16">GJ</emphasis>
. Chaetae from Coyote Creek population: anterior dorsal chaetae (G), posterior dorsal chaetae (H), anterior ventral (I), posterior ventral chaetae (J).
<emphasis id="AF92BD194B5CFFDCFD6A95C9BBDDCAD9" bold="true" box="[659,679,1976,1997]" pageId="15" pageNumber="16">K</emphasis>
. Penis everted (histological section).
<emphasis id="AF92BD194B5CFFDCFBD795C9BD45CAD9" bold="true" box="[1070,1087,1976,1997]" pageId="15" pageNumber="16">L</emphasis>
. Coelomocytes.
<emphasis id="AF92BD194B5CFFDCFB1495C9BC7FCAD9" bold="true" box="[1261,1285,1976,1997]" pageId="15" pageNumber="16">M</emphasis>
. Detail of one ventral gland in V (histological section).
</paragraph>
</caption>
<caption id="C99931834B43FFC3FF6E948EBD5CCA46" httpUri="https://zenodo.org/record/283794/files/figure.png" pageId="16" pageNumber="17" targetBox="[159,1423,204,1756]" targetPageId="16">
<paragraph id="9D59610B4B43FFC3FF6E948EBD5CCA46" blockId="16.[151,1436,1791,1874]" pageId="16" pageNumber="17">
<emphasis id="AF92BD194B43FFC3FF6E948EB86ECA01" bold="true" box="[151,276,1791,1814]" pageId="16" pageNumber="17">FIGURE 7.</emphasis>
<taxonomicName id="5AE61A884B43FFC3FEE5948EB8A8CA01" box="[284,466,1791,1813]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="16" pageNumber="17" phylum="Annelida" rank="species" species="clio" status="sp. nov.">
<emphasis id="AF92BD194B43FFC3FEE5948EB8A8CA01" box="[284,466,1791,1813]" italics="true" pageId="16" pageNumber="17">Rhyacodrilus clio</emphasis>
</taxonomicName>
<emphasis id="AF92BD194B43FFC3FE239571BB6ECA01" bold="true" box="[474,532,1792,1813]" pageId="16" pageNumber="17">
<taxonomicNameLabel id="B4A100624B43FFC3FE239571BB6ECA01" box="[474,532,1792,1813]" pageId="16" pageNumber="17" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
Schematic drawings of reproductive organs in Squaw Creek population.
<emphasis id="AF92BD194B43FFC3FAF29571BC67CA01" bold="true" box="[1291,1309,1792,1813]" pageId="16" pageNumber="17">A</emphasis>
. Position of spermathecal and male pores in segments X and XI.
<emphasis id="AF92BD194B43FFC3FD50956EBBC0CA20" bold="true" box="[681,698,1823,1844]" pageId="16" pageNumber="17">B</emphasis>
. Male duct.
<emphasis id="AF92BD194B43FFC3FCC1956FBA30CA21" bold="true" box="[824,842,1822,1845]" pageId="16" pageNumber="17">C</emphasis>
. Reproductive organs.
<emphasis id="AF92BD194B43FFC3FBCD956EBD3CCA20" bold="true" box="[1076,1094,1823,1844]" pageId="16" pageNumber="17">D</emphasis>
. Atria in different orientation and various degrees of extrusion of the penis.
<emphasis id="AF92BD194B43FFC3FDC7954CBB35CA46" bold="true" box="[574,591,1853,1874]" pageId="16" pageNumber="17">E</emphasis>
. 3 consecutive histological sections of atrium.
</paragraph>
</caption>
<caption id="C99931834B42FFC2FF6E97F2B816C8C2" httpUri="https://zenodo.org/record/283795/files/figure.png" pageId="17" pageNumber="18" targetBox="[171,1429,217,1359]" targetPageId="17">
<paragraph id="9D59610B4B42FFC2FF6E97F2B816C8C2" blockId="17.[151,1437,1411,1494]" pageId="17" pageNumber="18">
<emphasis id="AF92BD194B42FFC2FF6E97F2B868C88C" bold="true" box="[151,274,1411,1434]" pageId="17" pageNumber="18">FIGURE 8.</emphasis>
<taxonomicName id="5AE61A884B42FFC2FEE097F2B8B6C88D" box="[281,460,1411,1433]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="17" pageNumber="18" phylum="Annelida" rank="species" species="clio" status="sp. nov.">
<emphasis id="AF92BD194B42FFC2FEE097F2B8B6C88D" box="[281,460,1411,1433]" italics="true" pageId="17" pageNumber="18">Rhyacodrilus clio</emphasis>
</taxonomicName>
<emphasis id="AF92BD194B42FFC2FE2B97F5BB3BC88C" bold="true" box="[466,577,1411,1433]" pageId="17" pageNumber="18">
<taxonomicNameLabel id="B4A100624B42FFC2FE2B97F5BB71C88D" box="[466,523,1412,1433]" pageId="17" pageNumber="18" rank="species">sp. n.</taxonomicNameLabel>
AB
</emphasis>
. Coyote Creek population.
<emphasis id="AF92BD194B42FFC2FCA097F2BA11C88C" bold="true" box="[857,875,1411,1432]" pageId="17" pageNumber="18">A</emphasis>
. Reproductive organs.
<emphasis id="AF92BD194B42FFC2FBAF97F5BD1DC88D" bold="true" box="[1110,1127,1412,1433]" pageId="17" pageNumber="18">B</emphasis>
. Atria in different orientations and with varying degree of extrusion of the penis.
<emphasis id="AF92BD194B42FFC2FD4F97D0BBB2C8AC" bold="true" box="[694,712,1441,1464]" pageId="17" pageNumber="18">C</emphasis>
. Reproductive organs in specimens from Chalone Creek population. Drawings schematic.
</paragraph>
</caption>
<paragraph id="9D59610B4B42FFC2FF309472B89DCAB3" blockId="17.[151,1436,1539,2031]" pageId="17" pageNumber="18">
Paired sperm funnels open in the ventral part of septum 10/11, each leading to a ciliated vas deferens, which joins the atrium at the middle of the ampulla. Vas deferens longer than atrium, length about 200290 µm, diameter 1723 µm. Atrium consists of a small globular to ovate ampulla and a long inflated duct; a short neck (2030 μm long by 3045 μm wide) connects the ampulla to the atrial duct; this section has narrow columnar epithelium (
<figureCitation id="05DD7D8E4B42FFC2FA97941EB9DCCBBF" captionStart="FIGURE 7" captionStartId="16.[151,250,1791,1814]" captionTargetBox="[159,1423,204,1756]" captionTargetId="figure@16.[151,1436,193,1770]" captionTargetPageId="16" captionText="FIGURE 7. Rhyacodrilus clio sp. n. Schematic drawings of reproductive organs in Squaw Creek population. A. Position of spermathecal and male pores in segments X and XI. B. Male duct. C. Reproductive organs. D. Atria in different orientation and various degrees of extrusion of the penis. E. 3 consecutive histological sections of atrium." httpUri="https://zenodo.org/record/283794/files/figure.png" pageId="17" pageNumber="18">Fig. 7</figureCitation>
B). Atrial ampulla 5080 μm long by 3660 μm wide; epithelium granular with large, irregular cells having basal nuclei, lumen narrow (67 μm), muscle layer very thin; ampulla covered by a diffuse layer of prostate cells, 2035 µm high, usually a mix of small clusters and individual cells. The outer duct forms an eversible penis; entire duct 70100 μm long by 5575 μm wide when penis is retracted, with thick, granular epithelium (1014 μm) having basal nuclei and a thin (12 μm) outer muscle layer. Everted penis short and broad, formed by lining cells from outer part of atrial duct extending through pore (
<figureCitation id="05DD7D8E4B42FFC2FD439536BA7BCA4B" box="[698,769,1863,1887]" captionStart="FIGURE 6" captionStartId="15.[151,250,1883,1906]" captionTargetBox="[172,1421,333,1842]" captionTargetId="figure@15.[151,1436,315,1862]" captionTargetPageId="15" captionText="FIGURE 6. Rhyacodrilus clio sp. n. A. Prostomium and anterior body region. B. Clitellum in segments X to XII. C F. Chaetae from Squaw Creek population: dorsal chaetae in segment VII (C), posterior dorsal (D), ventral chaetae in III (E), postclitellar ventral chaetae (F). G J. Chaetae from Coyote Creek population: anterior dorsal chaetae (G), posterior dorsal chaetae (H), anterior ventral (I), posterior ventral chaetae (J). K. Penis everted (histological section). L. Coelomocytes. M. Detail of one ventral gland in V (histological section)." httpUri="https://zenodo.org/record/283793/files/figure.png" pageId="17" pageNumber="18">Figs 6</figureCitation>
K, 7D, E). Penial chaetae terminate within a small tubercle at the inner margin of the male pore, with a small patch of glandular cells, and several muscle strands extending to dorsal body wall (
<figureCitation id="05DD7D8E4B42FFC2FE9895FEB8DECAB3" box="[353,420,1935,1959]" captionStart="FIGURE 7" captionStartId="16.[151,250,1791,1814]" captionTargetBox="[159,1423,204,1756]" captionTargetId="figure@16.[151,1436,193,1770]" captionTargetPageId="16" captionText="FIGURE 7. Rhyacodrilus clio sp. n. Schematic drawings of reproductive organs in Squaw Creek population. A. Position of spermathecal and male pores in segments X and XI. B. Male duct. C. Reproductive organs. D. Atria in different orientation and various degrees of extrusion of the penis. E. 3 consecutive histological sections of atrium." httpUri="https://zenodo.org/record/283794/files/figure.png" pageId="17" pageNumber="18">Fig. 7</figureCitation>
B, C).
</paragraph>
</subSubSection>
<subSubSection id="D5FC32804B42FFC1FF3095C2B834CDC0" lastPageId="18" lastPageNumber="19" pageId="17" pageNumber="18" type="distribution">
<paragraph id="9D59610B4B42FFC1FF3095C2B834CDC0" blockId="17.[151,1436,1539,2031]" lastBlockId="18.[151,1436,151,1220]" lastPageId="18" lastPageNumber="19" pageId="17" pageNumber="18">
<emphasis id="AF92BD194B42FFC2FF3095C2B897CAD8" bold="true" box="[201,493,1971,1996]" pageId="17" pageNumber="18">Distribution and habitat</emphasis>
. Known from several localities in central and northern California. Sites were small to mid-sized, gravel-cobble bed streams in relatively undisturbed, foothill settings; worms were collected from riffle habitats with coarse sediments. Sites on Coyote and Chalone creeks are intermittent, typically losing surface flow in summer.
</paragraph>
</subSubSection>
<subSubSection id="D5FC32804B41FFC1FF309291B9A7CE23" pageId="18" pageNumber="19" type="discussion">
<paragraph id="9D59610B4B41FFC1FF309291BDE5CF03" blockId="18.[151,1436,151,1220]" pageId="18" pageNumber="19">
<emphasis id="AF92BD194B41FFC1FF309291B84CCDEC" bold="true" box="[201,310,224,248]" pageId="18" pageNumber="19">Remarks</emphasis>
.
<taxonomicName id="5AE61A884B41FFC1FEBD9291BB76CDEC" box="[324,524,224,248]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="clio" status="sp. nov.">
<emphasis id="AF92BD194B41FFC1FEBD9291BB76CDEC" box="[324,524,224,248]" italics="true" pageId="18" pageNumber="19">Rhyacodrilus clio</emphasis>
</taxonomicName>
<emphasis id="AF92BD194B41FFC1FDED9291BB2ECDEC" bold="true" box="[532,596,224,248]" pageId="18" pageNumber="19">
<taxonomicNameLabel id="B4A100624B41FFC1FDED9291BB2ECDEC" box="[532,596,224,248]" pageId="18" pageNumber="19" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
has been ascribed to the genus
<taxonomicName id="5AE61A884B41FFC1FC429291BD2ACDEC" box="[955,1104,224,248]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="genus">
<emphasis id="AF92BD194B41FFC1FC429291BD2ACDEC" box="[955,1104,224,248]" italics="true" pageId="18" pageNumber="19">Rhyacodrilus</emphasis>
</taxonomicName>
based on the diffuse prostate layer covering the atrial ampulla, the vas deferens, which is longer than the atrium and joins it subapically, and the presence of modified penial chaetae. The new species is well-separated from other
<taxonomicName id="5AE61A884B41FFC1FBA39359BD8ACC54" box="[1114,1264,296,320]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="genus">
<emphasis id="AF92BD194B41FFC1FBA39359BD8ACC54" box="[1114,1264,296,320]" italics="true" pageId="18" pageNumber="19">Rhyacodrilus</emphasis>
</taxonomicName>
species by the structure of the atrium, with a small ampulla and a large inflated duct that can be partially everted, with the inner epithelial cells of the duct extending beyond the male pore. Different populations that have been ascribed to
<taxonomicName id="5AE61A884B41FFC1FAAA9300BCE6CC9C" box="[1363,1436,368,392]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="clio">
<emphasis id="AF92BD194B41FFC1FAAA9300BCE6CC9C" box="[1363,1436,368,392]" italics="true" pageId="18" pageNumber="19">R. clio</emphasis>
</taxonomicName>
show different numbers of penial chaetae and some variations in the range of measurements of chaetae and atrium (see
<tableCitation id="D06454B04B41FFC1FF3293C6B85BCCDB" box="[203,289,439,463]" captionStart="TABLE 2" captionStartId="14.[119,205,634,656]" captionText="TABLE 2. Characteristics of the populations ascribed to Rhyacodrilus clio sp. n." pageId="18" pageNumber="19">Table 2</tableCitation>
). However, the general structure of male duct and spermatheca are consistent (
<figureCitation id="05DD7D8E4B41FFC1FB6A93C6BDA2CCDB" box="[1171,1240,439,463]" captionStart="FIGURE 8" captionStartId="17.[151,250,1411,1434]" captionTargetBox="[171,1429,217,1359]" captionTargetId="figure@17.[151,1436,193,1390]" captionTargetPageId="17" captionText="FIGURE 8. Rhyacodrilus clio sp. n. A B. Coyote Creek population. A. Reproductive organs. B. Atria in different orientations and with varying degree of extrusion of the penis. C. Reproductive organs in specimens from Chalone Creek population. Drawings schematic." httpUri="https://zenodo.org/record/283795/files/figure.png" pageId="18" pageNumber="19">Fig. 8</figureCitation>
). The individuals from Ritchey Creek were collected in alcohol, and thus poorly preserved; they have been provisionally ascribed to this species based on shape of chaetae, the short atrial ampulla, and the short, everted penes.
</paragraph>
<paragraph id="9D59610B4B41FFC1FF309055B9A7CE23" blockId="18.[151,1436,151,1220]" pageId="18" pageNumber="19">
<taxonomicName id="5AE61A884B41FFC1FF309055B8F5CF28" box="[201,399,548,572]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="clio" status="sp. nov.">
<emphasis id="AF92BD194B41FFC1FF309055B8F5CF28" box="[201,399,548,572]" italics="true" pageId="18" pageNumber="19">Rhyacodrilus clio</emphasis>
</taxonomicName>
<emphasis id="AF92BD194B41FFC1FE6F9055B8ACCF28" bold="true" box="[406,470,548,572]" pageId="18" pageNumber="19">
<taxonomicNameLabel id="B4A100624B41FFC1FE6F9055B8ACCF28" box="[406,470,548,572]" pageId="18" pageNumber="19" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
appears to be related to the European groundwater species
<taxonomicName id="5AE61A884B41FFC1FB949055B85ECF4B" authority="Hrabe, 1963" authorityName="Hrabe" authorityYear="1963" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="subterraneus">
<emphasis id="AF92BD194B41FFC1FB949055BCE6CF28" box="[1133,1436,548,572]" italics="true" pageId="18" pageNumber="19">Rhyacodrilus subterraneus</emphasis>
Hrabë, 1963
</taxonomicName>
b, with which it shares the presence of hair and pectinate chaetae in dorsal bundles and penial chaetae but no spermathecal chaetae. As in
<taxonomicName id="5AE61A884B41FFC1FDC9901CBB06CF90" box="[560,636,620,644]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="clio" status="sp. nov.">
<emphasis id="AF92BD194B41FFC1FDC9901CBB06CF90" box="[560,636,620,644]" italics="true" pageId="18" pageNumber="19">R. clio</emphasis>
</taxonomicName>
<emphasis id="AF92BD194B41FFC1FD7D901DBBBCCF90" bold="true" box="[644,710,620,644]" pageId="18" pageNumber="19">
<taxonomicNameLabel id="B4A100624B41FFC1FD7D901DBBBCCF90" box="[644,710,620,644]" pageId="18" pageNumber="19" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
, the atrium of
<taxonomicName id="5AE61A884B41FFC1FC8D901CBD5CCF90" box="[884,1062,620,644]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="subterraneus">
<emphasis id="AF92BD194B41FFC1FC8D901CBD5CCF90" box="[884,1062,620,644]" italics="true" pageId="18" pageNumber="19">R. subterraneus</emphasis>
</taxonomicName>
is composed of a small ampulla covered by diffuse prostate glands and a long duct; although the duct is thinner, it has been described as having cubic epithelium, and appears to be devoid of a penis. The shape of both dorsal and ventral anterior chaetae also distinguishes both species:
<taxonomicName id="5AE61A884B41FFC1FE1A90A8BB4ECFE4" box="[483,564,728,752]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="clio">
<emphasis id="AF92BD194B41FFC1FE1A90A8BB4ECFE4" box="[483,564,728,752]" italics="true" pageId="18" pageNumber="19">R. clio</emphasis>
</taxonomicName>
has lyre or U-shaped pectinates, with teeth of equal length, while
<taxonomicName id="5AE61A884B41FFC1FA7D90A8B853CE00" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="subterraneus">
<emphasis id="AF92BD194B41FFC1FA7D90A8B853CE00" italics="true" pageId="18" pageNumber="19">R. subterraneus</emphasis>
</taxonomicName>
has unequal V-shaped pectinates, and anterior ventral chaetae with upper tooth much longer than lower.
</paragraph>
</subSubSection>
<subSubSection id="D5FC32804B41FFC1FF309135BA3AC9D0" pageId="18" pageNumber="19" type="description">
<paragraph id="9D59610B4B41FFC1FF309135BA3AC9D0" blockId="18.[151,1436,151,1220]" pageId="18" pageNumber="19">
<taxonomicName id="5AE61A884B41FFC1FF309135B880CE48" box="[201,506,836,860]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="subterraneus">
<emphasis id="AF92BD194B41FFC1FF309135B880CE48" box="[201,506,836,860]" italics="true" pageId="18" pageNumber="19">Rhyacodrilus subterraneus</emphasis>
</taxonomicName>
has been reported in several parts of Europe (Giani &amp; Martínez-Ansemil 1981, Timm
<emphasis id="AF92BD194B41FFC1FF1D9118B85ACE94" box="[228,288,872,896]" italics="true" pageId="18" pageNumber="19">et al.</emphasis>
1996, Martin
<emphasis id="AF92BD194B41FFC1FE309118BB7FCE94" box="[457,517,872,896]" italics="true" pageId="18" pageNumber="19">et al.</emphasis>
2009, Schenková
<emphasis id="AF92BD194B41FFC1FD249118BA62CE94" box="[733,792,872,896]" italics="true" pageId="18" pageNumber="19">et al.</emphasis>
2010), although some of these records may need to be reconsidered. A re-examination of the specimen reported by Giani and Martínez-Ansemil (1981) from a NW Spanish locality revealed the typical chaetal morphology of
<taxonomicName id="5AE61A884B41FFC1FCC491C0BA95CEDC" box="[829,1007,944,968]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="subterraneus">
<emphasis id="AF92BD194B41FFC1FCC491C0BA95CEDC" box="[829,1007,944,968]" italics="true" pageId="18" pageNumber="19">R. subterraneus</emphasis>
</taxonomicName>
(
<figureCitation id="05DD7D8E4B41FFC1FC0691DEBD38CED3" box="[1023,1090,943,967]" captionStart="FIGURE 9" captionStartId="19.[151,250,1853,1876]" captionTargetBox="[159,1428,782,1815]" captionTargetId="figure@19.[151,1436,769,1832]" captionTargetPageId="19" captionText="FIGURE 9. Rhyacodrilus propiporus sp. n. (A J, M N) and Rhyacodrilus subterraneus Hrabë, 1963 (K L). A J. Rhyacodrilus propiporus sp. n. A. Prostomium with coelomocytes. B E. Dorsal chaetae of segment II (B), V (C), IX (D), and postclitellar (E). F I. Ventral chaetae of segment V (F), VII (G), postclitellar (H) and very posterior (I). J. Dorsal chaetae of very posterior segments. K L. Chaetae of Rhyacodrilus subterraneus (Martínez-Ansemil's collection, see text). K. Anterior pectinates. L. Ventrals. M N. Rhyacodrilus propiporus sp. n. Ventral view of the body, whole mount. M. Spermathecal pores and male pores. N. Atrium opening in a porophore." httpUri="https://zenodo.org/record/283796/files/figure.png" pageId="18" pageNumber="19">Fig. 9</figureCitation>
K, L). However, this specimen is probably a different species, as the atrium has a large ampulla relative to the short, narrow atrial duct. Timm
<emphasis id="AF92BD194B41FFC1FA9D91A4BCE6CEF8" box="[1380,1436,980,1004]" italics="true" pageId="18" pageNumber="19">et al.</emphasis>
(1996) reported
<taxonomicName id="5AE61A884B41FFC1FEA99188BB79C904" box="[336,515,1016,1040]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="subterraneus">
<emphasis id="AF92BD194B41FFC1FEA99188BB79C904" box="[336,515,1016,1040]" italics="true" pageId="18" pageNumber="19">R. subterraneus</emphasis>
</taxonomicName>
from several locations in the Scandinavian Peninsula, but the studied specimens may be uncompletely mature since the spermathecal ampulla is drawn empty, and the atrium does not show an internal lumen nor a penis.
<taxonomicName id="5AE61A884B41FFC1FE339631BB82C94C" box="[458,760,1088,1112]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="subterraneus">
<emphasis id="AF92BD194B41FFC1FE339631BB82C94C" box="[458,760,1088,1112]" italics="true" pageId="18" pageNumber="19">Rhyacodrilus subterraneus</emphasis>
</taxonomicName>
has also been reported from several localities in eastern and central
<collectingCountry id="E5F1219B4B41FFC1FF159615B8F9C968" box="[236,387,1124,1148]" name="United States of America" pageId="18" pageNumber="19">United States</collectingCountry>
(Strayer &amp; O'Donnell 1988, Strayer 2001, Wetzel &amp; Taylor 2001, Wetzel &amp; Morgan 2007), but these records must also be interpreted with caution, as they are based on chaetal characters of immature specimens (see also remarks for
<taxonomicName id="5AE61A884B41FFC1FDFA96DCBBE7C9D0" box="[515,669,1197,1220]" class="Clitellata" family="Randiellidae" genus="Rhyacodrilus" kingdom="Animalia" order="Enchytraeida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="propiporus" status="sp. nov.">
<emphasis id="AF92BD194B41FFC1FDFA96DCBBE7C9D0" box="[515,669,1197,1220]" italics="true" pageId="18" pageNumber="19">R. propiporus</emphasis>
</taxonomicName>
<emphasis id="AF92BD194B41FFC1FD5C96DDBB9EC9D0" bold="true" box="[677,740,1196,1220]" pageId="18" pageNumber="19">
<taxonomicNameLabel id="B4A100624B41FFC1FD5C96DDBB9EC9D0" box="[677,740,1196,1220]" pageId="18" pageNumber="19" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
below).
</paragraph>
</subSubSection>
</treatment>
</document>