235 lines
31 KiB
XML
235 lines
31 KiB
XML
<document id="38886891231E09C850BAA34162527F2E" ID-DOI="10.5281/zenodo.171279" ID-GBIF-Dataset="7662bafe-daf1-4cf8-a7f3-109272465b0e" ID-ISSN="11755326" ID-Zenodo-Dep="171279" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459720046269" checkinUser="plazi" docAuthor="Steven & Fend, V." docDate="2005" docId="039F87926D1DF173FE8EFAEFA11FFD84" docLanguage="en" docName="zt00969.pdf" docOrigin="Zootaxa 969" docStyle="DocumentStyle:FA7E419B012A62B0FC3AC15A186C3DAF.3:Zootaxa.2001-2006.journal_article" docStyleId="FA7E419B012A62B0FC3AC15A186C3DAF" docStyleName="Zootaxa.2001-2006.journal_article" docStyleVersion="3" docTitle="Eclipidrilus daneus Cook 1966" docType="treatment" docVersion="9" lastPageNumber="32" masterDocId="FFA6FFEA6D03F153FF86FFEBA533FFCA" masterDocTitle="A review of the genus Eclipidrilus (Annelida: Clitellata: Lumbriculidae), with description of a new species from western North America" masterLastPageNumber="42" masterPageNumber="1" pageNumber="31" updateTime="1698208984268" updateUser="plazi">
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<mods:title id="FDCC2FB524CFD2E2FB7E3D885357533A">A review of the genus Eclipidrilus (Annelida: Clitellata: Lumbriculidae), with description of a new species from western North America</mods:title>
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<mods:namePart id="4790E32D159DE4C44FBF29DEF9EC89E5">Steven</mods:namePart>
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<mods:namePart id="627131C3FEC84E5CF0E01F381817014A">Fend, V.</mods:namePart>
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<mods:date id="FA470A747B5B26A5D395F0026D0FFF07">2005</mods:date>
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<treatment id="039F87926D1DF173FE8EFAEFA11FFD84" ID-DOI="http://doi.org/10.5281/zenodo.6266054" ID-GBIF-Taxon="119335460" ID-Zenodo-Dep="6266054" LSID="urn:lsid:plazi:treatment:039F87926D1DF173FE8EFAEFA11FFD84" httpUri="http://treatment.plazi.org/id/039F87926D1DF173FE8EFAEFA11FFD84" lastPageId="32" lastPageNumber="32" pageId="30" pageNumber="31">
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<subSubSection id="C32C650F6D1DF14DFE8EFAEFA7B5FAD4" box="[264,646,1284,1310]" pageId="30" pageNumber="31" type="nomenclature">
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<paragraph id="8B8936846D1DF14DFE8EFAEFA7B5FAD4" blockId="30.[264,646,1284,1310]" box="[264,646,1284,1310]" pageId="30" pageNumber="31">
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<heading id="D0C181E86D1DF14DFE8EFAEFA7B5FAD4" bold="true" box="[264,646,1284,1310]" fontSize="11" level="1" pageId="30" pageNumber="31" reason="1">
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<taxonomicName id="4C364D076D1DF14DFE8EFAEFA7B5FAD4" authority="Cook, 1966" authorityName="Cook" authorityYear="1966" box="[264,646,1284,1310]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="30" pageNumber="31" phylum="Annelida" rank="species" species="daneus">
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<emphasis id="B942EA966D1DF14DFE8EFAEFA7B5FAD4" bold="true" box="[264,646,1284,1310]" pageId="30" pageNumber="31">
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<emphasis id="B942EA966D1DF14DFE8EFAEFA4C0FAD4" bold="true" box="[264,499,1284,1310]" italics="true" pageId="30" pageNumber="31">Eclipidrilus daneus</emphasis>
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<bibRefCitation id="EFA74B756D1DF14DFE7DFAEFA7B5FAD4" author="Cook" box="[507,646,1284,1310]" pageId="30" pageNumber="41" refString="Cook, D. G. (1966) In Studies on North American aquatic Oligochaeta. III. Lumbriculidae and additional notes and records of other families. R. O. Brinkhurst and D. G. Cook. Proceedings of the Academy of Natural Sciences of Philadelphia, 118, 1 - 33." type="journal article" year="1966">Cook, 1966</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C32C650F6D1DF14CFE8EFAA4A186FD0C" lastPageId="31" lastPageNumber="32" pageId="30" pageNumber="31" type="materials_examined">
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<paragraph id="8B8936846D1DF14DFE8EFAA4A7F8F993" blockId="30.[264,1322,1359,1625]" pageId="30" pageNumber="31">
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MATERIAL EXAMINED: Louisiana: undetermined locality,
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<date id="FF8810446D1DF14DFB99FAA4A1ABFAA3" box="[1055,1176,1359,1385]" pageId="30" pageNumber="31" value="1916-06-01">1.VI.1916</date>
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,
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<typeStatus id="548D88266D1DF14DFB37FAA4A015FAA3" box="[1201,1318,1359,1385]" pageId="30" pageNumber="31" type="paratype">Paratypes</typeStatus>
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,
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<collectionCode id="ED27AE416D1DF14DFE8EFA9CA46EFA5B" LSID="urn:lsid:biocol.org:col:34871" box="[264,349,1399,1425]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="30" pageNumber="31">USNM</collectionCode>
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32908: the better material in 2 atrial dissections, 4 sagittally sectioned worms and 2 transversely sectioned. Mississippi: Hancock Co., Bay St. Louis,
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<date id="FF8810446D1DF14DFB9FFA74A14DFA73" box="[1049,1150,1439,1465]" pageId="30" pageNumber="31" value="1996-06">VI.1996</date>
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. 1 mature, dissected; 3 whole mounts of immature specimens, from the R. Brinkhurst collection. South Carolina: Aiken Co., Savannah River Plant Site, Fourmile Branch,
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<date id="FF8810446D1DF14DFBAAFA04A181F9C3" box="[1068,1202,1519,1545]" pageId="30" pageNumber="31" value="2002-03-13">13.III.2002</date>
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, collected by J. Epler. 1 dissected. Montana: Swamp near Polson,
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<date id="FF8810446D1DF14DFC16F9FCA127F9FB" box="[912,1044,1559,1585]" pageId="30" pageNumber="31" value="1914-07-07">7.VII.1914</date>
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,
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<collectionCode id="ED27AE416D1DF14DFB99F9FCA147F9FB" LSID="urn:lsid:biocol.org:col:34871" box="[1055,1140,1559,1585]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="30" pageNumber="31">USNM</collectionCode>
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26301: 1 sagittal and 1 transversely sectioned worm.
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</paragraph>
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<paragraph id="8B8936846D1DF14DFE8EF964A770F962" blockId="30.[264,1323,1679,1905]" box="[264,579,1679,1704]" pageId="30" pageNumber="31">
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<emphasis id="B942EA966D1DF14DFE8EF964A770F962" box="[264,579,1679,1704]" italics="true" pageId="30" pageNumber="31">Supplementary description</emphasis>
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</paragraph>
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<paragraph id="8B8936846D1DF14DFEBEF95CA03FF8BB" blockId="30.[264,1323,1679,1905]" pageId="30" pageNumber="31">
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Pharynx thicker dorsally than ventrally. Usually two pairs of lateral blood vessels in segments behind XII, with many short branches posterior to XV. In the posterior half of the body, short branches have distended ends and appear to be associated with the body wall muscles. In middle segments, at least, one branch appears to join the perivisceral sinus, but others end in the coelom. Nephridia as described for
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<taxonomicName id="4C364D076D1DF14DFC6AF8BCA144F8BA" box="[1004,1143,1879,1904]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="30" pageNumber="31" phylum="Annelida" rank="species" species="pacificus">
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<emphasis id="B942EA966D1DF14DFC6AF8BCA144F8BA" box="[1004,1143,1879,1904]" italics="true" pageId="30" pageNumber="31">E. pacificus</emphasis>
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</taxonomicName>
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(see above).
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</paragraph>
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<paragraph id="8B8936846D1CF14CFEBEFEF7A186FD0C" blockId="31.[264,1323,284,710]" pageId="31" pageNumber="32">
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Male pores medial to chaetae, about halfway between chaetae and midventral line. Penes as described for
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<taxonomicName id="4C364D076D1CF14CFD94FEAFA7AAFE97" box="[530,665,324,349]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
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<emphasis id="B942EA966D1CF14CFD94FEAFA7AAFE97" box="[530,665,324,349]" italics="true" pageId="31" pageNumber="32">E. palustris</emphasis>
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</taxonomicName>
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(see above); may be coiled within the penial sacs. In the Bay St. Louis specimen, the inner sacs of the penial structures are up to 1880 µm long; the protruded part of one penis extends an additional 1100 µm. Atrial ampulla with muscle wall 12–23 µm thick; a thin ental layer of circular muscle is surrounded by a thicker outer layer having muscle fibers arranged in an unopposed spiral, up to 50º from the longitudinal axis, but often nearly parallel in ectal part of ampulla. Atrial lumen 0.66–0.73 times total diameter of atrial muscle tube. Prostate glands may be large, to 180 µm long (
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<bibRefCitation id="EFA74B756D1CF14CFB2FFDDFA4D8FDBC" author="Brinkhurst" pageId="31" pageNumber="40" refString="Brinkhurst, R. O. (1998) On the genus Eclipidrilus Eisen, 1881 (Lumbriculidae, Clitellata), including a description of Eclipidrilus ithys sp. nov. Canadian Journal of Zoology, 76, 644 - 659." type="journal article" year="1998">
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Brinkhurst [1998,
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<figureCitation id="130D2A016D1CF14CFEE4FDB7A4FDFDBC" box="[354,462,604,630]" captionStart="FIGURE 4" captionStartId="7.[264,367,1704,1728]" captionTargetBox="[415,1139,356,1703]" captionTargetId="figure@7.[415,1158,345,1707]" captionTargetPageId="7" captionText="FIGURE 4. Reproductive segments of E. pacificus, typical specimens, Hoh River, Washington, reconstructed from transverse sections. A—male pore and atrial duct in X; arrows indicate lateral positions of midpoints of chaetal pairs. B—spermathecal pores and ducts in IX. Abbreviations: ad—atrial duct; ag—accessory gland; mf—male funnel; sa—spermathecal ampulla; sd—spermathecal duct; sv—spermathecal vestibule. Scale bar 200 µm." httpUri="https://zenodo.org/record/171283/files/figure.png" pageId="31" pageNumber="32">Figure 4</figureCitation>
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E]
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</bibRefCitation>
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). Vasa deferentia 11–26 µm thick, joining atria near ectal end of ampulla. Spermathecal pores about halfway between chaetae and midventral line. Spermathecal ducts terminate in a vestibule as described for
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<taxonomicName id="4C364D076D1CF14CFC1FFD47A113FD0F" box="[921,1056,684,709]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
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<emphasis id="B942EA966D1CF14CFC1FFD47A113FD0F" box="[921,1056,684,709]" italics="true" pageId="31" pageNumber="32">E. palustris</emphasis>
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</taxonomicName>
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(see above).
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</paragraph>
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</subSubSection>
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<subSubSection id="C32C650F6D1CF173FE8EFD17A11FFD84" lastPageId="32" lastPageNumber="33" pageId="31" pageNumber="32" type="discussion">
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<paragraph id="8B8936846D1CF14CFE8EFD17A45DFCDF" blockId="31.[264,1323,764,1870]" box="[264,366,764,789]" pageId="31" pageNumber="32">
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<emphasis id="B942EA966D1CF14CFE8EFD17A45DFCDF" box="[264,366,764,789]" italics="true" pageId="31" pageNumber="32">Remarks</emphasis>
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</paragraph>
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<paragraph id="8B8936846D1CF14CFEBEFCCFA7E2F9C4" blockId="31.[264,1323,764,1870]" pageId="31" pageNumber="32">
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The distinction between this species and
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<taxonomicName id="4C364D076D1CF14CFCA2FCCFA69EFCF7" box="[804,941,804,829]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
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<emphasis id="B942EA966D1CF14CFCA2FCCFA69EFCF7" box="[804,941,804,829]" italics="true" pageId="31" pageNumber="32">E. palustris</emphasis>
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</taxonomicName>
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is slight, and
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<bibRefCitation id="EFA74B756D1CF14CFBDEFCCFA1DCFCF4" author="Cook" box="[1112,1263,804,830]" pageId="31" pageNumber="41" refString="Cook, D. G. (1971) Family Lumbriculidae. In: Brinkhurst R. O. & Jamieson B. G. M. Aquatic Oligochaeta of the World, Oliver and Boyd, Edinburgh, 200 - 285." type="book chapter" year="1971">Cook (1971)</bibRefCitation>
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suggested that future study might invalidate
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<taxonomicName id="4C364D076D1CF14CFC86FCA7A644FCAF" box="[768,887,844,869]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">
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<emphasis id="B942EA966D1CF14CFC86FCA7A644FCAF" box="[768,887,844,869]" italics="true" pageId="31" pageNumber="32">E. daneus</emphasis>
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</taxonomicName>
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. In the original
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<taxonomicName id="4C364D076D1CF14CFBC5FCA7A1A5FCAF" box="[1091,1174,844,869]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">
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<emphasis id="B942EA966D1CF14CFBC5FCA7A1A5FCAF" box="[1091,1174,844,869]" italics="true" pageId="31" pageNumber="32">daneus</emphasis>
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</taxonomicName>
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description,
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<bibRefCitation id="EFA74B756D1CF14CFE8EFC9FA4AEFC44" author="Cook" box="[264,413,884,910]" pageId="31" pageNumber="41" refString="Cook, D. G. (1966) In Studies on North American aquatic Oligochaeta. III. Lumbriculidae and additional notes and records of other families. R. O. Brinkhurst and D. G. Cook. Proceedings of the Academy of Natural Sciences of Philadelphia, 118, 1 - 33." type="journal article" year="1966">Cook (1966)</bibRefCitation>
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stated that the two species differed mainly in thickness of the atrial musculature, and possibly as a consequence, in the degree of atrial curvature.
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<taxonomicName id="4C364D076D1CF14CFBBCFC77A1F2FC7F" box="[1082,1217,924,949]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
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<emphasis id="B942EA966D1CF14CFBBCFC77A1F2FC7F" box="[1082,1217,924,949]" italics="true" pageId="31" pageNumber="32">E. palustris</emphasis>
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</taxonomicName>
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was distinguished as having an atrial lumen: total atrial diameter ratio of 0.3, as opposed to a ratio of
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<quantity id="4CCE9B616D1CF14CFEAEFC07A4ACFBCC" box="[296,415,1004,1030]" metricMagnitude="-2" metricUnit="m" metricValue="1.905" metricValueMax="2.286" metricValueMin="1.524" pageId="31" pageNumber="32" unit="in" value="0.75" valueMax="0.9" valueMin="0.6">0.6–0.9 in</quantity>
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<taxonomicName id="4C364D076D1CF14CFE21FC07A72FFBCF" box="[423,540,1004,1029]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">
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<emphasis id="B942EA966D1CF14CFE21FC07A72FFBCF" box="[423,540,1004,1029]" italics="true" pageId="31" pageNumber="32">E. daneus</emphasis>
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</taxonomicName>
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.
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<bibRefCitation id="EFA74B756D1CF14CFDADFC07A7F3FBCC" author="Cook" box="[555,704,1004,1030]" pageId="31" pageNumber="41" refString="Cook, D. G. (1971) Family Lumbriculidae. In: Brinkhurst R. O. & Jamieson B. G. M. Aquatic Oligochaeta of the World, Oliver and Boyd, Edinburgh, 200 - 285." type="book chapter" year="1971">Cook (1971)</bibRefCitation>
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gave ranges of atrial muscle thickness from 60–100 µm in
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<taxonomicName id="4C364D076D1CF14CFED2FBFFA4E8FBE7" box="[340,475,1044,1069]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
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<emphasis id="B942EA966D1CF14CFED2FBFFA4E8FBE7" box="[340,475,1044,1069]" italics="true" pageId="31" pageNumber="32">E. palustris</emphasis>
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</taxonomicName>
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, and 6–20 µm in
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<taxonomicName id="4C364D076D1CF14CFD2EFBFFA628FBE7" box="[680,795,1044,1069]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">
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<emphasis id="B942EA966D1CF14CFD2EFBFFA628FBE7" box="[680,795,1044,1069]" italics="true" pageId="31" pageNumber="32">E. daneus</emphasis>
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||
</taxonomicName>
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.
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<bibRefCitation id="EFA74B756D1CF14CFCAFFBFFA6EBFBE4" author="Wassell" box="[809,984,1044,1070]" lastPageId="31" lastPageNumber="42" pageId="31" pageNumber="41" refString="Wassell, J. T. (1984) Revision of the lumbriculid oligochaete Eclipidrilus Eisen, 1881, with descriptions of three subgenera and Eclipidrilus (Leptodrilus) fontanus n. subg., n. sp. from Pennsylvania. Proceedings of the Biological Society of Washington, 97, 78 - 85." type="journal article" year="1984">Wassell (1984)</bibRefCitation>
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confirmed these ranges after examining new material from several sites in Florida (
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<taxonomicName id="4C364D076D1CF14CFC28FBD7A109FB9F" box="[942,1082,1084,1109]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
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<emphasis id="B942EA966D1CF14CFC28FBD7A109FB9F" box="[942,1082,1084,1109]" italics="true" pageId="31" pageNumber="32">E. palustris</emphasis>
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||
</taxonomicName>
|
||
) and Louisiana (
|
||
<taxonomicName id="4C364D076D1CF14CFA97FBD7A468FBB7" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">
|
||
<emphasis id="B942EA966D1CF14CFA97FBD7A468FBB7" italics="true" pageId="31" pageNumber="32">E. daneus</emphasis>
|
||
</taxonomicName>
|
||
), although values presented in
|
||
<bibRefCitation id="EFA74B756D1CF14CFD50FB8FA69FFBB4" author="Brinkhurst" box="[726,940,1124,1150]" pageId="31" pageNumber="40" refString="Brinkhurst, R. O. (1998) On the genus Eclipidrilus Eisen, 1881 (Lumbriculidae, Clitellata), including a description of Eclipidrilus ithys sp. nov. Canadian Journal of Zoology, 76, 644 - 659." type="journal article" year="1998">Brinkhurst (1998)</bibRefCitation>
|
||
implied greater variation for
|
||
<taxonomicName id="4C364D076D1CF14CFA94FB8FA46EFB6C" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">E. daneus</taxonomicName>
|
||
.
|
||
<bibRefCitation id="EFA74B756D1CF14CFEEFFB67A4CCFB6C" author="Cook" box="[361,511,1164,1190]" pageId="31" pageNumber="41" refString="Cook, D. G. (1966) In Studies on North American aquatic Oligochaeta. III. Lumbriculidae and additional notes and records of other families. R. O. Brinkhurst and D. G. Cook. Proceedings of the Academy of Natural Sciences of Philadelphia, 118, 1 - 33." type="journal article" year="1966">Cook (1966)</bibRefCitation>
|
||
also described
|
||
<taxonomicName id="4C364D076D1CF14CFD31FB67A61FFB6F" box="[695,812,1164,1189]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">
|
||
<emphasis id="B942EA966D1CF14CFD31FB67A61FFB6F" box="[695,812,1164,1189]" italics="true" pageId="31" pageNumber="32">E. daneus</emphasis>
|
||
</taxonomicName>
|
||
as having thinner and less muscular penial structures than
|
||
<taxonomicName id="4C364D076D1CF14CFE3BFB5FA776FB07" box="[445,581,1204,1229]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
|
||
<emphasis id="B942EA966D1CF14CFE3BFB5FA776FB07" box="[445,581,1204,1229]" italics="true" pageId="31" pageNumber="32">E. palustris</emphasis>
|
||
</taxonomicName>
|
||
, but this character also varied considerably within populations considered to be
|
||
<taxonomicName id="4C364D076D1CF14CFE56FB37A76BFB3F" box="[464,600,1244,1269]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
|
||
<emphasis id="B942EA966D1CF14CFE56FB37A76BFB3F" box="[464,600,1244,1269]" italics="true" pageId="31" pageNumber="32">E. palustris</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<bibRefCitation id="EFA74B756D1CF14CFDE0FB37A609FB3C" author="Brinkhurst" box="[614,826,1244,1270]" pageId="31" pageNumber="40" refString="Brinkhurst, R. O. (1998) On the genus Eclipidrilus Eisen, 1881 (Lumbriculidae, Clitellata), including a description of Eclipidrilus ithys sp. nov. Canadian Journal of Zoology, 76, 644 - 659." type="journal article" year="1998">Brinkhurst (1998)</bibRefCitation>
|
||
suggested that some
|
||
<taxonomicName id="4C364D076D1CF14CFBB3FB37A19AFB3F" box="[1077,1193,1244,1269]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">
|
||
<emphasis id="B942EA966D1CF14CFBB3FB37A19AFB3F" box="[1077,1193,1244,1269]" italics="true" pageId="31" pageNumber="32">E. daneus</emphasis>
|
||
</taxonomicName>
|
||
specimens with thin or crumpled penial structures were in a postreproductive state, implying that that some of the observed differences may relate to reproductive maturity of individual specimens. Two additional characters not emphasized in earlier descriptions may be of use in distinguishing these species. The internal, ventral pads of cells in X of
|
||
<taxonomicName id="4C364D076D1CF14CFBD9FA97A1DAFA5F" box="[1119,1257,1404,1429]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
|
||
<emphasis id="B942EA966D1CF14CFBD9FA97A1DAFA5F" box="[1119,1257,1404,1429]" italics="true" pageId="31" pageNumber="32">E. palustris</emphasis>
|
||
</taxonomicName>
|
||
were not apparent in the
|
||
<taxonomicName id="4C364D076D1CF14CFE71FA4FA75DFA77" box="[503,622,1444,1469]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">
|
||
<emphasis id="B942EA966D1CF14CFE71FA4FA75DFA77" box="[503,622,1444,1469]" italics="true" pageId="31" pageNumber="32">E. daneus</emphasis>
|
||
</taxonomicName>
|
||
material (cf.
|
||
<bibRefCitation id="EFA74B756D1CF14CFC93FA4FA16DFA74" author="Brinkhurst" box="[789,1118,1444,1470]" pageId="31" pageNumber="40" refString="Brinkhurst, R. O. (1998) On the genus Eclipidrilus Eisen, 1881 (Lumbriculidae, Clitellata), including a description of Eclipidrilus ithys sp. nov. Canadian Journal of Zoology, 76, 644 - 659." type="journal article" year="1998">
|
||
Brinkhurst [1998,
|
||
<figureCitation id="130D2A016D1CF14CFC75FA4FA10EFA74" box="[1011,1085,1444,1470]" captionStart="FIGURE 4" captionStartId="7.[264,367,1704,1728]" captionTargetBox="[415,1139,356,1703]" captionTargetId="figure@7.[415,1158,345,1707]" captionTargetPageId="7" captionText="FIGURE 4. Reproductive segments of E. pacificus, typical specimens, Hoh River, Washington, reconstructed from transverse sections. A—male pore and atrial duct in X; arrows indicate lateral positions of midpoints of chaetal pairs. B—spermathecal pores and ducts in IX. Abbreviations: ad—atrial duct; ag—accessory gland; mf—male funnel; sa—spermathecal ampulla; sd—spermathecal duct; sv—spermathecal vestibule. Scale bar 200 µm." httpUri="https://zenodo.org/record/171283/files/figure.png" pageId="31" pageNumber="32">Fig. 4</figureCitation>
|
||
A]
|
||
</bibRefCitation>
|
||
). Prostate glands were generally larger in specimens identified as
|
||
<taxonomicName id="4C364D076D1CF14CFCDAFA27A6E7FA2F" box="[860,980,1484,1509]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">
|
||
<emphasis id="B942EA966D1CF14CFCDAFA27A6E7FA2F" box="[860,980,1484,1509]" italics="true" pageId="31" pageNumber="32">E. daneus</emphasis>
|
||
</taxonomicName>
|
||
, but there was considerable intraspecific variation in that character.
|
||
</paragraph>
|
||
<paragraph id="8B8936846D1CF173FEBEF9F7A11FFD84" blockId="31.[264,1323,764,1870]" lastBlockId="32.[264,1323,284,590]" lastPageId="32" lastPageNumber="33" pageId="31" pageNumber="32">
|
||
The new specimens from Florida and Alabama generally appeared closer to
|
||
<taxonomicName id="4C364D076D1CF14CFB46F9F7A41CF997" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
|
||
<emphasis id="B942EA966D1CF14CFB46F9F7A41CF997" italics="true" pageId="31" pageNumber="32">E. palustris</emphasis>
|
||
</taxonomicName>
|
||
than to
|
||
<taxonomicName id="4C364D076D1CF14CFE0AF9AFA4CCF997" box="[396,511,1604,1629]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">
|
||
<emphasis id="B942EA966D1CF14CFE0AF9AFA4CCF997" box="[396,511,1604,1629]" italics="true" pageId="31" pageNumber="32">E. daneus</emphasis>
|
||
</taxonomicName>
|
||
, consistent with prior distributional records. However, the atrial muscle thickness and lumen: atrium ratios were quite variable within populations, and were often intermediate between published values for the two species. One exceptional specimen from Rock Springs Run had thinwalled, folded atrial ampullae, resembling the description of
|
||
<taxonomicName id="4C364D076D1CF14CFE37F90FA716F937" box="[433,549,1764,1789]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="daneus">
|
||
<emphasis id="B942EA966D1CF14CFE37F90FA716F937" box="[433,549,1764,1789]" italics="true" pageId="31" pageNumber="32">E. daneus</emphasis>
|
||
</taxonomicName>
|
||
. Nevertheless, the small prostates and welldeveloped ventral pad of that specimen, plus its collection from a population of normal
|
||
<taxonomicName id="4C364D076D1CF14CFB8AF8E7A141F8EF" box="[1036,1138,1804,1829]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
|
||
<emphasis id="B942EA966D1CF14CFB8AF8E7A141F8EF" box="[1036,1138,1804,1829]" italics="true" pageId="31" pageNumber="32">palustris</emphasis>
|
||
</taxonomicName>
|
||
, suggested that it was an aberrant
|
||
<taxonomicName id="4C364D076D1CF14CFE5BF8DFA757F887" box="[477,612,1844,1869]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="31" pageNumber="32" phylum="Annelida" rank="species" species="palustris">
|
||
<emphasis id="B942EA966D1CF14CFE5BF8DFA757F887" box="[477,612,1844,1869]" italics="true" pageId="31" pageNumber="32">E. palustris</emphasis>
|
||
</taxonomicName>
|
||
. As in the case of the penial structures, some of the variation in atrial morphology may be attributable to reproductive maturity. Additionally, the range in contraction of observed worm specimens implied variability in fixation methods. This sort of variation may also occur in other species. The lumen and tissue layers in the atrial ampulla varied either intraspecifically or with reproductive maturity in
|
||
<taxonomicName id="4C364D076D23F173FBC9FE7FA1EAFE67" box="[1103,1241,404,429]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="32" pageNumber="33" phylum="Annelida" rank="species" species="pacificus">
|
||
<emphasis id="B942EA966D23F173FBC9FE7FA1EAFE67" box="[1103,1241,404,429]" italics="true" pageId="32" pageNumber="33">E. pacificus</emphasis>
|
||
</taxonomicName>
|
||
: ratios ranged from
|
||
<quantity id="4CCE9B616D23F173FE24FE57A700FE1C" box="[418,563,444,470]" metricMagnitude="-3" metricUnit="m" metricValue="8.889999999999999" metricValueMax="15.24" metricValueMin="2.54" pageId="32" pageNumber="33" unit="in" value="0.35" valueMax="0.6" valueMin="0.1">0.1 to 0.6 in</quantity>
|
||
mated specimens from the
|
||
<typeStatus id="548D88266D23F173FCFAFE57A69DFE1C" box="[892,942,444,470]" pageId="32" pageNumber="33">type</typeStatus>
|
||
locality, and greater differences occurred among populations. As in the case of the
|
||
<taxonomicName id="4C364D076D23F173FCD9FE0FA6D9FE37" box="[863,1002,484,509]" class="Oligochaeta" family="Lumbriculidae" genus="Eclipidrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="32" pageNumber="33" phylum="Annelida" rank="species" species="pacificus">
|
||
<emphasis id="B942EA966D23F173FCD9FE0FA6D9FE37" box="[863,1002,484,509]" italics="true" pageId="32" pageNumber="33">E. pacificus</emphasis>
|
||
</taxonomicName>
|
||
variants, future collections from intermediate localities may determine whether differences among geographic forms of
|
||
<emphasis id="B942EA966D23F173FEAEFDDFA4C1FD87" box="[296,498,564,589]" italics="true" pageId="32" pageNumber="33">
|
||
E. (
|
||
<taxonomicName id="4C364D076D23F173FED7FDDFA4C1FD87" box="[337,498,564,589]" class="Oligochaeta" family="Lumbriculidae" genus="Premnodrilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lumbriculida" pageId="32" pageNumber="33" phylum="Annelida" rank="genus">Premnodrilus</taxonomicName>
|
||
</emphasis>
|
||
) represent distinctive species or clinal variation.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |