263 lines
33 KiB
XML
263 lines
33 KiB
XML
<document id="82CF6406387CCAC3DA4983FCDAFFDD76" ID-CLB-Dataset="46048" ID-DOI="10.5281/zenodo.207604" ID-GBIF-Dataset="563a0be4-7d96-478a-ae73-1f18891f887a" ID-ISSN="1175-5326" ID-Zenodo-Dep="207604" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460406816250" checkinUser="plazi" docAuthor="Steenkiste, Niels Van, Gobert, Stefan, Davison, Paul, Kolasa, Jurek & Artois, Tom" docDate="2011" docId="03F287A1FFDD97511D9BFED4FBE2FFA6" docLanguage="en" docName="zt03091p032.pdf" docOrigin="Zootaxa 3091" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Gieysztoria dodgei (Graff, 1911) Ruebush & Hayes 1939" docType="treatment" docVersion="9" lastPageNumber="20" masterDocId="FFCBFFD9FFCF97421D0CFFBBFFBCFE0B" masterDocTitle="Freshwater Dalyelliidae from the Nearctic (Platyhelminthes, Rhabdocoela): new taxa and records from Ontario, Canada and Michigan and Alabama, USA" masterLastPageNumber="32" masterPageNumber="1" pageNumber="19" updateTime="1698299899020" updateUser="ExternalLinkService">
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<mods:title id="46281A2225C8E335F96D4BB7E265FCC8">Freshwater Dalyelliidae from the Nearctic (Platyhelminthes, Rhabdocoela): new taxa and records from Ontario, Canada and Michigan and Alabama, USA</mods:title>
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<mods:namePart id="EB887A4F4FE52B5854532C5B2A2869F9">Steenkiste, Niels Van</mods:namePart>
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<mods:namePart id="C3B8D4DD1D02901E52E0C084FFA15C4B">Gobert, Stefan</mods:namePart>
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<mods:namePart id="B53EDBE63B104ADD094F8F0F60918684">Davison, Paul</mods:namePart>
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<mods:namePart id="18E92916B731CE60FDDBBE149FC2E508">Kolasa, Jurek</mods:namePart>
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<mods:namePart id="DFB1377F08237209923E97DF6C11B913">Artois, Tom</mods:namePart>
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<mods:date id="FE06942EC7C739BA155B02C123239DA3">2011</mods:date>
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<mods:number id="69547D2A3CEA001146AF6E93F90F019A">3091</mods:number>
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<treatment id="03F287A1FFDD97511D9BFED4FBE2FFA6" ID-DOI="http://doi.org/10.5281/zenodo.6190533" ID-GBIF-Taxon="119422134" ID-Zenodo-Dep="6190533" LSID="urn:lsid:plazi:treatment:03F287A1FFDD97511D9BFED4FBE2FFA6" httpUri="http://treatment.plazi.org/id/03F287A1FFDD97511D9BFED4FBE2FFA6" lastPageId="19" lastPageNumber="20" pageId="18" pageNumber="19">
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<subSubSection id="C341653CFFDD97501D9BFED4FADDFD27" pageId="18" pageNumber="19" type="nomenclature">
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<paragraph id="8BE436B7FFDD97501D9BFED4FCECFF82" blockId="18.[151,848,367,426]" box="[151,848,367,393]" pageId="18" pageNumber="19">
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<heading id="D0AC81DBFFDD97501D9BFED4FCECFF82" bold="true" box="[151,848,367,393]" fontSize="11" level="1" pageId="18" pageNumber="19" reason="1">
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<taxonomicName id="4C5B4D34FFDD97501D9BFED4FCECFF82" authority="(Graff, 1911) Ruebush & Hayes, 1939" authorityName="(Graff, 1911) Ruebush & Hayes" authorityYear="1939" box="[151,848,367,393]" class="Rhabditophora" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="18" pageNumber="19" phylum="Platyhelminthes" rank="species" species="dodgei">
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<emphasis id="B92FEAA5FFDD97501D9BFED4FCECFF82" bold="true" box="[151,848,367,393]" pageId="18" pageNumber="19">
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<emphasis id="B92FEAA5FFDD97501D9BFED4FEC9FF82" bold="true" box="[151,373,367,393]" italics="true" pageId="18" pageNumber="19">Gieysztoria dodgei</emphasis>
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(
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<bibRefCitation id="EFCA4B46FFDD97501C88FED4FDA9FF82" author="Graff" box="[388,533,367,393]" pageId="18" pageNumber="19" refString="Graff, L. von (1911) Acoela, Rhabdocoela und Alloeocoela des Ostens der Vereinigten Staaten von Amerika. Zeitschrift fur Wissenschaftlichen Zoologie, 99, 1 - 108." type="journal article" year="1911">Graff, 1911</bibRefCitation>
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)
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<bibRefCitation id="EFCA4B46FFDD97501F29FED4FCECFF82" author="Ruebush" box="[549,848,367,393]" pageId="18" pageNumber="19" refString="Ruebush, T. K. & Hayes, W. J. (1939) The genus Dalyellia in America II. A new form from Tennessee and a discussion of the relationships within the genus. Zoologischer Anzeiger, 128, 136 - 152." type="journal article" year="1939">Ruebush & Hayes, 1939</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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<paragraph id="8BE436B7FFDD97501D9BFE29FE94FFA1" blockId="18.[151,848,367,426]" box="[151,296,402,426]" pageId="18" pageNumber="19">
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(
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<figureCitation id="13602A32FFDD97501D93FE29FF57FFA1" box="[159,235,402,426]" captionStart="FIGURE 6" captionStartId="17.[151,250,1294,1317]" captionTargetBox="[151,1436,196,1272]" captionTargetId="figure@17.[151,1436,193,1273]" captionTargetPageId="17" captionText="FIGURE 6. Gieysztoria rubra (Fuhrmann, 1894) Ruebush & Hayes, 1939 (A) Squeezed live animal, dorsal view. (B) Detail of the genital system in a live animal. (C) Stylet. Gieysztoria dodgei (Graff, 1911) Ruebush & Hayes, 1939 (D – F) Stylets." httpUri="https://zenodo.org/record/207610/files/figure.png" pageId="18" pageNumber="19">Figs. 6</figureCitation>
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D–F)
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</paragraph>
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<paragraph id="8BE436B7FFDD97501D9BFE60FE57FFFB" blockId="18.[151,957,474,528]" box="[151,491,474,496]" pageId="18" pageNumber="19">
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syn.
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<taxonomicName id="4C5B4D34FFDD97501DCAFE61FE57FFFB" authority="Graff, 1911" authorityName="Graff" authorityYear="1911" box="[198,491,474,496]" class="Rhabditophora" family="Dalyelliidae" genus="Dalyellia" kingdom="Animalia" order="Rhabdocoela" pageId="18" pageNumber="19" phylum="Platyhelminthes" rank="species" species="dodgei">
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<emphasis id="B92FEAA5FFDD97501DCAFE61FECCFFFB" box="[198,368,474,496]" italics="true" pageId="18" pageNumber="19">Dalyellia dodgei</emphasis>
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<bibRefCitation id="EFCA4B46FFDD97501C7AFE61FE57FFFB" author="Graff" box="[374,491,474,496]" pageId="18" pageNumber="19" refString="Graff, L. von (1911) Acoela, Rhabdocoela und Alloeocoela des Ostens der Vereinigten Staaten von Amerika. Zeitschrift fur Wissenschaftlichen Zoologie, 99, 1 - 108." type="journal article" year="1911">Graff, 1911</bibRefCitation>
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</taxonomicName>
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</paragraph>
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<paragraph id="8BE436B7FFDD97501D9BFE41FC01FC04" blockId="18.[151,957,474,528]" box="[151,957,505,528]" pageId="18" pageNumber="19">
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syn.
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<taxonomicName id="4C5B4D34FFDD97501DCAFE42FC01FC04" authority="(Graff, 1911) Ruebush & Hayes, 1939" authorityName="(Graff, 1911) Ruebush & Hayes" authorityYear="1939" box="[198,957,505,528]" class="Rhabditophora" family="Dalyelliidae" genus="Microdalyellia" kingdom="Animalia" order="Rhabdocoela" pageId="18" pageNumber="19" phylum="Platyhelminthes" rank="species" species="dodgei" subGenus="Gieysztoria">
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<emphasis id="B92FEAA5FFDD97501DCAFE42FD8FFC04" box="[198,563,505,527]" italics="true" pageId="18" pageNumber="19">Microdalyellia (Gieysztoria) dodgei</emphasis>
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(
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<bibRefCitation id="EFCA4B46FFDD97501F4CFE42FD04FC1B" author="Graff" box="[576,696,505,528]" pageId="18" pageNumber="19" refString="Graff, L. von (1911) Acoela, Rhabdocoela und Alloeocoela des Ostens der Vereinigten Staaten von Amerika. Zeitschrift fur Wissenschaftlichen Zoologie, 99, 1 - 108." type="journal article" year="1911">Graff, 1911</bibRefCitation>
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)
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<bibRefCitation id="EFCA4B46FFDD97501FC9FE42FC01FC04" author="Ruebush" box="[709,957,505,527]" pageId="18" pageNumber="19" refString="Ruebush, T. K. & Hayes, W. J. (1939) The genus Dalyellia in America II. A new form from Tennessee and a discussion of the relationships within the genus. Zoologischer Anzeiger, 128, 136 - 152." type="journal article" year="1939">Ruebush & Hayes, 1939</bibRefCitation>
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</taxonomicName>
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</paragraph>
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<paragraph id="8BE436B7FFDD97501D9BFD87FE79FCB4" blockId="18.[151,1437,571,2037]" pageId="18" pageNumber="19">
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<emphasis id="B92FEAA5FFDD97501D9BFD87FE4CFC5F" bold="true" box="[151,496,571,596]" pageId="18" pageNumber="19">New locality in the Nearctic.</emphasis>
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Richland, Kalamazoo County, Michigan,
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<collectingCountry id="F34C7627FFDD97501EDEFD87FBB6FC5F" box="[978,1034,572,596]" name="United States of America" pageId="18" pageNumber="19">USA</collectingCountry>
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(
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<geoCoordinate id="EE6F5070FFDD97501917FD87FB14FC5F" box="[1051,1192,572,596]" direction="north" orientation="latitude" pageId="18" pageNumber="19" precision="15" value="42.415836">42°24’57”N</geoCoordinate>
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,
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<geoCoordinate id="EE6F5070FFDD975019BAFD87FAF5FC5F" box="[1206,1353,572,596]" direction="west" orientation="longitude" pageId="18" pageNumber="19" precision="15" value="-85.439445">85°26’22”W</geoCoordinate>
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). Cool, fast groundwater-fed creek entering into Little Long Lake. On private property, with a well-developed riparian zone: organic material in slower pools in the bend of the creek, where coarse sand and decaying hardwoods have accumulated (
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<date id="FFE51077FFDD97501C3FFD1CFE05FCB4" box="[307,441,679,703]" pageId="18" pageNumber="19" value="2009-06-08">08/06/2009</date>
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).
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</paragraph>
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<paragraph id="8BE436B7FFDD97501DCBFD70FADDFD27" blockId="18.[151,1437,571,2037]" pageId="18" pageNumber="19">
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<emphasis id="B92FEAA5FFDD97501DCBFD70FD80FCEF" bold="true" box="[199,572,715,740]" pageId="18" pageNumber="19">Other localities in the Nearctic.</emphasis>
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Charlevoix? (Michigan,
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<collectingCountry id="F34C7627FFDD97501E5AFD77FC2CFCEF" box="[854,912,716,740]" name="United States of America" pageId="18" pageNumber="19">USA</collectingCountry>
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) (
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<bibRefCitation id="EFCA4B46FFDD97501EA9FD77FBD1FCEF" author="Woodworth" box="[933,1133,716,740]" pageId="18" pageNumber="19" refString="Woodworth, W. M. (1896) Report on the Turbellaria collected by the Michigan State Fish Commision during the summer of 1893 and 1894. Bulletin of the Museum of Comparative Zoology, Harvard, 29, 239 - 243." type="journal article" year="1896">Woodworth 1896</bibRefCitation>
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; Stringer 1951; see remark Table 1); Rochester (New York,
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<collectingCountry id="F34C7627FFDD97501F0BFD54FDFDFD0C" box="[519,577,751,775]" name="United States of America" pageId="18" pageNumber="19">USA</collectingCountry>
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) (
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<bibRefCitation id="EFCA4B46FFDD97501F54FD54FD65FD0C" author="Graff" box="[600,729,751,775]" pageId="18" pageNumber="19" refString="Graff, L. von (1911) Acoela, Rhabdocoela und Alloeocoela des Ostens der Vereinigten Staaten von Amerika. Zeitschrift fur Wissenschaftlichen Zoologie, 99, 1 - 108." type="journal article" year="1911">Graff 1911</bibRefCitation>
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); Kapsigdlit (
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<collectingCountry id="F34C7627FFDD97501E7EFD54FC56FD0C" box="[882,1002,751,775]" name="Greenland" pageId="18" pageNumber="19">Greenland</collectingCountry>
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) (
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<bibRefCitation id="EFCA4B46FFDD9750190DFD54FAF4FD0C" author="Reisinger" box="[1025,1352,751,775]" pageId="18" pageNumber="19" refString="Reisinger, E. & Steinbock, O. (1927) Forelobig Meddelelse om vor zoologiske Rejse i Gronland 1926. Meddelelser om Gronland, 74, 33 - 42." type="journal article" year="1927">Reisinger & Steinböck 1927</bibRefCitation>
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); upper Mississippi Basin (Wisconsin and possibly other states,
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<collectingCountry id="F34C7627FFDD97501E06FCAFFCF8FD27" box="[778,836,788,812]" name="United States of America" pageId="18" pageNumber="19">USA</collectingCountry>
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) (
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<bibRefCitation id="EFCA4B46FFDD97501E56FCAFFC56FD27" author="Higley" box="[858,1002,788,812]" pageId="18" pageNumber="19" refString="Higley, R. (1918) Morphology and biology of some turbellaria from the Mississippi basin. Illinois Biological Monographs, 4, 1 - 94." type="journal article" year="1918">Higley 1918</bibRefCitation>
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;
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<bibRefCitation id="EFCA4B46FFDD97501EFAFCAEFBC2FD27" author="Hayes" box="[1014,1150,788,813]" pageId="18" pageNumber="19" refString="Hayes, W. J. (1942) Taxonomic and morphological studies on Wisconsin Rhabdocoela. Ph. D. thesis. University of Wisconsin, Madison, 163 pp." type="book" year="1942">Hayes 1942</bibRefCitation>
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;
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<bibRefCitation id="EFCA4B46FFDD97501985FCAFFAEAFD27" author="Watermolen" box="[1161,1366,788,812]" pageId="18" pageNumber="19" refString="Watermolen, D. J. (2005) Aquatic and terrestrial flatworm (Platyhelminthes, Turbellaria) and ribbon worm (Nemertea) records from Wisconsin. Wisconsin Department of Natural Resources Bureau of Integrated Science Services Research / Management Findings, 55, 1 - 8." type="journal article" year="2005">Watermolen 2005</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="C341653CFFDD97501DCBFC8CFBD3FDEB" pageId="18" pageNumber="19" type="materials_examined">
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<paragraph id="8BE436B7FFDD97501DCBFC8CFBD3FDEB" blockId="18.[151,1437,571,2037]" pageId="18" pageNumber="19">
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<emphasis id="B92FEAA5FFDD97501DCBFC8CFE8AFD5B" bold="true" box="[199,310,823,848]" pageId="18" pageNumber="19">Material.</emphasis>
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One whole mount containing the stylets of two individuals and the bundle of spermatophores of probably one individual. This material was recovered from specimens kindly provided by Christopher Laumer (Harvard University,
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<collectingCountry id="F34C7627FFDD97501C87FC3BFE7BFD93" box="[395,455,896,920]" name="United States of America" pageId="18" pageNumber="19">USA</collectingCountry>
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), but animals were unfortunately decaying when received at Hasselt University (
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<collectingCountry id="F34C7627FFDD97501866FC3BFF69FDB7" name="Belgium" pageId="18" pageNumber="19">Belgium</collectingCountry>
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). It appeared that one stylet belonged to an individual eaten by another, cannibalistic specimen. Other observations were impossible because of the advanced state of decomposition of the animals.
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</paragraph>
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</subSubSection>
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<subSubSection id="C341653CFFDD97511DCBFC50FBE2FFA6" lastPageId="19" lastPageNumber="20" pageId="18" pageNumber="19" type="description">
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<paragraph id="8BE436B7FFDD97501DCBFC50FD5AFBBF" blockId="18.[151,1437,571,2037]" pageId="18" pageNumber="19">
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<emphasis id="B92FEAA5FFDD97501DCBFC50FE44FA0F" bold="true" box="[199,504,1003,1028]" pageId="18" pageNumber="19">Description and remarks.</emphasis>
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Although observations on live animals were impossible, the whole mount allows a relatively detailed study of the stylet morphology. The stylet is 135 µm long and consists of a proximal, 20 µmhigh, half open girdle (
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<emphasis id="B92FEAA5FFDD97501C92FB8EFE0FFA47" box="[414,435,1077,1100]" italics="true" pageId="18" pageNumber="19">gi</emphasis>
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) and a distal, 115 µm-long tube (
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<emphasis id="B92FEAA5FFDD97501E39FB8EFCF7FA47" box="[821,843,1077,1100]" italics="true" pageId="18" pageNumber="19">tu</emphasis>
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) surrounded by a partly-open, funnel-shaped sheath (
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<emphasis id="B92FEAA5FFDD97501DACFBE3FF05FA7B" box="[160,185,1112,1136]" italics="true" pageId="18" pageNumber="19">sh</emphasis>
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) and flanked by a number of heteromorphic spines on both sides (
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<figureCitation id="13602A32FFDD97501EAEFBE3FC53FA7B" box="[930,1007,1112,1136]" captionStart="FIGURE 6" captionStartId="17.[151,250,1294,1317]" captionTargetBox="[151,1436,196,1272]" captionTargetId="figure@17.[151,1436,193,1273]" captionTargetPageId="17" captionText="FIGURE 6. Gieysztoria rubra (Fuhrmann, 1894) Ruebush & Hayes, 1939 (A) Squeezed live animal, dorsal view. (B) Detail of the genital system in a live animal. (C) Stylet. Gieysztoria dodgei (Graff, 1911) Ruebush & Hayes, 1939 (D – F) Stylets." httpUri="https://zenodo.org/record/207610/files/figure.png" pageId="18" pageNumber="19">Figs. 6</figureCitation>
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D–F). The girdle has a concave proximal edge and appears fibrous and reticulate. Proximally, the sheath is relatively broad and contains a large open window. At about halfway along its length, it becomes more narrow and closes around the tube. Distally, the sheath and inner tube tightly fit, but their relative positions become very difficult to discern. At one lateral side of the girdle, a somewhat broadened plate (
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||
<emphasis id="B92FEAA5FFDD97501F1FFB53FD93FB0B" box="[531,559,1256,1280]" italics="true" pageId="18" pageNumber="19">bp</emphasis>
|
||
) bearing two smaller, straight spines (20 µm) is present. On the other side, the girdle edge bears a long, somewhat curved spine (50 µm), accompanied by a large, hollow, S-shaped spine (
|
||
<emphasis id="B92FEAA5FFDD9750185CFAB6FADAFB2F" box="[1360,1382,1293,1316]" italics="true" pageId="18" pageNumber="19">ss</emphasis>
|
||
) (60 µm) with a very broad, open base.
|
||
<bibRefCitation id="EFCA4B46FFDD97501F2AFA8BFD7FFB43" author="Luther" box="[550,707,1328,1352]" pageId="18" pageNumber="19" refString="Luther, A. (1955) Die Dalyelliiden (Turbellaria, Neorhabdocoela). Eine Monographie. Acta Zoologica Fennica, 87, 1 - 337." type="journal article" year="1955">Luther (1955)</bibRefCitation>
|
||
rightly compares its shape with that of a drinking horn (“Trinkhorn”). In one of the whole mounts, its distal point is somewhat broadened to form a small triangular plate (arrow in
|
||
<figureCitation id="13602A32FFDD97501DBAFAC3FF47FB9B" box="[182,251,1400,1424]" captionStart="FIGURE 6" captionStartId="17.[151,250,1294,1317]" captionTargetBox="[151,1436,196,1272]" captionTargetId="figure@17.[151,1436,193,1273]" captionTargetPageId="17" captionText="FIGURE 6. Gieysztoria rubra (Fuhrmann, 1894) Ruebush & Hayes, 1939 (A) Squeezed live animal, dorsal view. (B) Detail of the genital system in a live animal. (C) Stylet. Gieysztoria dodgei (Graff, 1911) Ruebush & Hayes, 1939 (D – F) Stylets." httpUri="https://zenodo.org/record/207610/files/figure.png" pageId="18" pageNumber="19">Fig. 6</figureCitation>
|
||
D). In between both lateral spine duos and the central sheathed tube, a long, straight spine (
|
||
<emphasis id="B92FEAA5FFDD9750182CFAC2FA97FB9B" box="[1312,1323,1401,1424]" italics="true" pageId="18" pageNumber="19">s</emphasis>
|
||
) (55 µm) flanking the sheath on each side, complete the stylet.
|
||
</paragraph>
|
||
<paragraph id="8BE436B7FFDD97501DC9FA7BFF57F863" blockId="18.[151,1437,571,2037]" pageId="18" pageNumber="19">
|
||
Apart from the stylet, about thirteen, slender spermatophores (up to 300 µm long) could be discerned in the whole mount. They are elongated with one end tapering to a pointed tip and the other end being curled.
|
||
<bibRefCitation id="EFCA4B46FFDD9750185DFA5FFF5DF82B" author="Luther" pageId="18" pageNumber="19" refString="Luther, A. (1955) Die Dalyelliiden (Turbellaria, Neorhabdocoela). Eine Monographie. Acta Zoologica Fennica, 87, 1 - 337." type="journal article" year="1955">Luther (1955)</bibRefCitation>
|
||
even described them as nematode-shaped (“nematodenförmig”). Although some might have changed position when making the whole mount, most of them seem to have been organized in a relatively solid, spirally-curled bundle.
|
||
</paragraph>
|
||
<paragraph id="8BE436B7FFDD97501DC9F9CFFD1CF94B" blockId="18.[151,1437,571,2037]" pageId="18" pageNumber="19">
|
||
Although reported as very abundant in its
|
||
<typeStatus id="54E08815FFDD97501FA0F9CEFD60F886" box="[684,732,1653,1677]" pageId="18" pageNumber="19">type</typeStatus>
|
||
locality by
|
||
<bibRefCitation id="EFCA4B46FFDD97501E64F9CFFC4BF887" author="Graff" box="[872,1015,1652,1676]" pageId="18" pageNumber="19" refString="Graff, L. von (1911) Acoela, Rhabdocoela und Alloeocoela des Ostens der Vereinigten Staaten von Amerika. Zeitschrift fur Wissenschaftlichen Zoologie, 99, 1 - 108." type="journal article" year="1911">Graff (1911)</bibRefCitation>
|
||
and considered to be widespread by
|
||
<bibRefCitation id="EFCA4B46FFDD97501D9BF923FE8AF8BB" author="Higley" box="[151,310,1688,1712]" pageId="18" pageNumber="19" refString="Higley, R. (1918) Morphology and biology of some turbellaria from the Mississippi basin. Illinois Biological Monographs, 4, 1 - 94." type="journal article" year="1918">Higley (1918)</bibRefCitation>
|
||
,
|
||
<taxonomicName id="4C5B4D34FFDD97501C4EF922FC74F8BB" authority="(Graff, 1911) Ruebush & Hayes, 1939" authorityName="(Graff, 1911) Ruebush & Hayes" authorityYear="1939" box="[322,968,1688,1713]" class="Rhabditophora" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="18" pageNumber="19" phylum="Platyhelminthes" rank="species" species="dodgei">
|
||
<emphasis id="B92FEAA5FFDD97501C4EF922FDAAF8BB" box="[322,534,1688,1712]" italics="true" pageId="18" pageNumber="19">Gieysztoria dodgei</emphasis>
|
||
(
|
||
<bibRefCitation id="EFCA4B46FFDD97501F28F923FD14F8BB" author="Graff" box="[548,680,1688,1712]" pageId="18" pageNumber="19" refString="Graff, L. von (1911) Acoela, Rhabdocoela und Alloeocoela des Ostens der Vereinigten Staaten von Amerika. Zeitschrift fur Wissenschaftlichen Zoologie, 99, 1 - 108." type="journal article" year="1911">Graff, 1911</bibRefCitation>
|
||
)
|
||
<bibRefCitation id="EFCA4B46FFDD97501FBBF923FC74F8BB" author="Ruebush" box="[695,968,1688,1713]" pageId="18" pageNumber="19" refString="Ruebush, T. K. & Hayes, W. J. (1939) The genus Dalyellia in America II. A new form from Tennessee and a discussion of the relationships within the genus. Zoologischer Anzeiger, 128, 136 - 152." type="journal article" year="1939">Ruebush & Hayes, 1939</bibRefCitation>
|
||
</taxonomicName>
|
||
is a poorly-known species. All confirmed findings are located around the Great Lakes, except for the locality in
|
||
<collectingCountry id="F34C7627FFDD97501EABF907FBA0F8DF" box="[935,1052,1724,1748]" name="Greenland" pageId="18" pageNumber="19">Greenland</collectingCountry>
|
||
(see above). Based on sketches of the habitus and copulatory organ by Woodworth (1986) and
|
||
<bibRefCitation id="EFCA4B46FFDD97501E37F95BFC54F8F3" author="Stringer" box="[827,1000,1760,1784]" pageId="18" pageNumber="19" refString="Stringer, C. E. (1918) The free-living Flatworms (Turbellaria). In: Ward, H. B. & Whipple, G. C. (Eds) Fresh-water Biology. John Wiley & Sons Inc., New York, pp. 323 - 364." type="book chapter" year="1918">Stringer (1918)</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFCA4B46FFDD97501EF8F95BFB2CF8F3" author="Luther" box="[1012,1168,1760,1784]" pageId="18" pageNumber="19" refString="Luther, A. (1955) Die Dalyelliiden (Turbellaria, Neorhabdocoela). Eine Monographie. Acta Zoologica Fennica, 87, 1 - 337." type="journal article" year="1955">Luther (1955)</bibRefCitation>
|
||
stated that
|
||
<taxonomicName id="4C5B4D34FFDD9750181DF95AFE2BF917" authority="Woodworth, 1886" authorityName="Woodworth" authorityYear="1886" family="Dalyelliidae" genus="Vortex" higherTaxonomySource="CoL" kingdom="Animalia" order="Rhabdocoela" pageId="18" pageNumber="19" phylum="Platyhelminthes" rank="species" species="bilineata">
|
||
<emphasis id="B92FEAA5FFDD9750181DF95AFF7BF917" italics="true" pageId="18" pageNumber="19">Vortex bilineata</emphasis>
|
||
Woodworth, 1886
|
||
</taxonomicName>
|
||
[later renamed
|
||
<taxonomicName id="4C5B4D34FFDD97501F4BF8BFFB1AF917" authority="(Woodworth, 1886) Stringer, 1918" authorityName="(Woodworth, 1886) Stringer" authorityYear="1918" box="[583,1190,1796,1820]" class="Rhabditophora" family="Dalyelliidae" genus="Dalyellia" kingdom="Animalia" order="Rhabdocoela" pageId="18" pageNumber="19" phylum="Platyhelminthes" rank="species" species="bilineata">
|
||
<emphasis id="B92FEAA5FFDD97501F4BF8BFFCA5F917" box="[583,793,1796,1820]" italics="true" pageId="18" pageNumber="19">Dalyellia bilineata</emphasis>
|
||
(Woodworth, 1886)
|
||
<bibRefCitation id="EFCA4B46FFDD9750190FF8BFFB1AF917" author="Stringer" box="[1027,1190,1796,1820]" pageId="18" pageNumber="19" refString="Stringer, C. E. (1918) The free-living Flatworms (Turbellaria). In: Ward, H. B. & Whipple, G. C. (Eds) Fresh-water Biology. John Wiley & Sons Inc., New York, pp. 323 - 364." type="book chapter" year="1918">Stringer, 1918</bibRefCitation>
|
||
</taxonomicName>
|
||
], also from Michigan, might probably also be attributed to
|
||
<taxonomicName id="4C5B4D34FFDD97501F22F892FD24F94B" box="[558,664,1832,1856]" class="Rhabditophora" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="18" pageNumber="19" phylum="Platyhelminthes" rank="species" species="dodgei">
|
||
<emphasis id="B92FEAA5FFDD97501F22F892FD24F94B" box="[558,664,1832,1856]" italics="true" pageId="18" pageNumber="19">G. dodgei</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BE436B7FFDD97511DC9F8F7FA39FF17" blockId="18.[151,1437,571,2037]" lastBlockId="19.[151,1436,151,429]" lastPageId="19" lastPageNumber="20" pageId="18" pageNumber="19">
|
||
Luther’s (1955) descripition of the stylet based on the accounts of
|
||
<bibRefCitation id="EFCA4B46FFDD97501EA4F8F7FB92F96F" author="Graff" box="[936,1070,1868,1892]" pageId="18" pageNumber="19" refString="Graff, L. von (1911) Acoela, Rhabdocoela und Alloeocoela des Ostens der Vereinigten Staaten von Amerika. Zeitschrift fur Wissenschaftlichen Zoologie, 99, 1 - 108." type="journal article" year="1911">Graff (1911</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFCA4B46FFDD97501935F8F7FBC8F96F" author="Graff" box="[1081,1140,1868,1892]" pageId="18" pageNumber="19" refString="Graff, L. von (1913) Das Tierreich 35. Turbellaria II. Rhabdocoelida. Verlag von Friedlander und Sohn, Berlin, 484 pp." type="book" year="1913">1913</bibRefCitation>
|
||
), does not completely correspond with our observations. While the conspicuous, horn-shaped spine is identical as in the specimens studied in this paper, all previous authors describe the central tube and its sheath as two extremely long spines flanked by other spines of various sizes. In our opinion, the central tube and its sheath have a similar construction to that of
|
||
<taxonomicName id="4C5B4D34FFDD97501D9BF866FC73F9FF" authority="(Fuhrmann, 1894) Ruebush & Hayes, 1939" authorityName="(Fuhrmann, 1894) Ruebush & Hayes" authorityYear="1939" box="[151,975,2012,2037]" class="Rhabditophora" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="18" pageNumber="19" phylum="Platyhelminthes" rank="species" species="infundibuliformis">
|
||
<emphasis id="B92FEAA5FFDD97501D9BF866FE5DF9FF" box="[151,481,2012,2036]" italics="true" pageId="18" pageNumber="19">Gieysztoria infundibuliformis</emphasis>
|
||
(
|
||
<bibRefCitation id="EFCA4B46FFDD97501CFCF867FD10F9FF" author="Fuhrmann" box="[496,684,2012,2036]" pageId="18" pageNumber="19" refString="Fuhrmann, O. (1894) Die Turbellarien der Umgebung von Basel. Revue suisse de Zoologie, 2, 213 - 292." type="journal article" year="1894">Fuhrmann, 1894</bibRefCitation>
|
||
)
|
||
<bibRefCitation id="EFCA4B46FFDD97501FB7F867FC73F9FF" author="Ruebush" box="[699,975,2012,2037]" pageId="18" pageNumber="19" refString="Ruebush, T. K. & Hayes, W. J. (1939) The genus Dalyellia in America II. A new form from Tennessee and a discussion of the relationships within the genus. Zoologischer Anzeiger, 128, 136 - 152." type="journal article" year="1939">Ruebush & Hayes, 1939</bibRefCitation>
|
||
</taxonomicName>
|
||
, i.e. a long, funnel-shaped double-walled tube (“Rinne”) with a very large proximal window (“Fenster”) in the outer wall (sheath). The inner tube (“Rohr”) is probably formed by the fusion of the superimposed sidewalls of the whole structure (for a detailed description, see
|
||
<bibRefCitation id="EFCA4B46FFDC97511D9BFF64FE9FFEFC" author="Luther" box="[151,291,223,247]" pageId="19" pageNumber="20" refString="Luther, A. (1955) Die Dalyelliiden (Turbellaria, Neorhabdocoela). Eine Monographie. Acta Zoologica Fennica, 87, 1 - 337." type="journal article" year="1955">Luther 1955</bibRefCitation>
|
||
). Although this sheathed tube is also flanked by long straight spines,
|
||
<taxonomicName id="4C5B4D34FFDC97511928FF5BFAB8FEF3" box="[1060,1284,224,248]" class="Rhabditophora" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="19" pageNumber="20" phylum="Platyhelminthes" rank="species" species="infundibuliformis">
|
||
<emphasis id="B92FEAA5FFDC97511928FF5BFAB8FEF3" box="[1060,1284,224,248]" italics="true" pageId="19" pageNumber="20">G. infundibuliformis</emphasis>
|
||
</taxonomicName>
|
||
lacks a large, horn-shaped spine as in
|
||
<taxonomicName id="4C5B4D34FFDC97511CA9FEBEFDACFF17" box="[421,528,260,284]" class="Rhabditophora" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="19" pageNumber="20" phylum="Platyhelminthes" rank="species" species="dodgei">
|
||
<emphasis id="B92FEAA5FFDC97511CA9FEBEFDACFF17" box="[421,528,260,284]" italics="true" pageId="19" pageNumber="20">G. dodgei</emphasis>
|
||
</taxonomicName>
|
||
. Instead, multispinous axes (“Endäste”) are present on both outer girdle edges.
|
||
</paragraph>
|
||
<paragraph id="8BE436B7FFDC97511DC9FE9CFBE2FFA6" blockId="19.[151,1436,151,429]" pageId="19" pageNumber="20">
|
||
The stylet construction of another species,
|
||
<taxonomicName id="4C5B4D34FFDC97511FA7FE93FB07FF34" authority="(Eggers, 1925) Luther, 1955" authorityName="(Eggers, 1925) Luther" authorityYear="1955" box="[683,1211,295,320]" class="Rhabditophora" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="19" pageNumber="20" phylum="Platyhelminthes" rank="species" species="koiwi">
|
||
<emphasis id="B92FEAA5FFDC97511FA7FE93FCCDFF4B" box="[683,881,296,320]" italics="true" pageId="19" pageNumber="20">Gieysztoria koiwi</emphasis>
|
||
(
|
||
<bibRefCitation id="EFCA4B46FFDC97511E8DFE9CFBA4FF34" author="Eggers" box="[897,1048,295,319]" pageId="19" pageNumber="20" refString="Eggers, F. (1925) Uber estlandische Dalyelliiden. Zoologische Jahrbucher - Abteilung fur Systematik, Okologie und Geographie der Tiere, 49, 449 - 468." type="journal article" year="1925">Eggers, 1925</bibRefCitation>
|
||
)
|
||
<bibRefCitation id="EFCA4B46FFDC97511924FE9CFB07FF34" author="Luther" box="[1064,1211,295,319]" pageId="19" pageNumber="20" refString="Luther, A. (1955) Die Dalyelliiden (Turbellaria, Neorhabdocoela). Eine Monographie. Acta Zoologica Fennica, 87, 1 - 337." type="journal article" year="1955">Luther, 1955</bibRefCitation>
|
||
</taxonomicName>
|
||
, is very similar, but more simple with two central plates (“Rinne”) proximally, fusing to a tube (“Rohr”) distally. Both
|
||
<taxonomicName id="4C5B4D34FFDC975119F4FEF6FF63FF83" class="Rhabditophora" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="19" pageNumber="20" phylum="Platyhelminthes" rank="species" species="infundibuliformis">
|
||
<emphasis id="B92FEAA5FFDC975119F4FEF6FF63FF83" italics="true" pageId="19" pageNumber="20">G. infundibuliformis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<emphasis id="B92FEAA5FFDC97511C2CFECBFEC1FF83" box="[288,381,368,392]" italics="true" pageId="19" pageNumber="20">G. k o i w i</emphasis>
|
||
are confined to the Palearctic. Based on stylet morphology, it seems that
|
||
<taxonomicName id="4C5B4D34FFDC9751180CFECBFACCFF83" box="[1280,1392,368,392]" class="Rhabditophora" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="19" pageNumber="20" phylum="Platyhelminthes" rank="species" species="dodgei">
|
||
<emphasis id="B92FEAA5FFDC9751180CFECBFACCFF83" box="[1280,1392,368,392]" italics="true" pageId="19" pageNumber="20">G. dodgei</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C5B4D34FFDC97511888FECBFEE6FFA7" class="Rhabditophora" family="Dalyelliidae" genus="Gieysztoria" kingdom="Animalia" order="Rhabdocoela" pageId="19" pageNumber="20" phylum="Platyhelminthes" rank="species" species="infundibuliformis">
|
||
<emphasis id="B92FEAA5FFDC97511888FECBFEE6FFA7" italics="true" pageId="19" pageNumber="20">G. infundibuliformis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<emphasis id="B92FEAA5FFDC97511C9CFE2EFE5BFFA7" box="[400,487,404,428]" italics="true" pageId="19" pageNumber="20">G. k o i w i</emphasis>
|
||
are closely related representatives of a Holarctic group.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |