223 lines
25 KiB
XML
223 lines
25 KiB
XML
<document id="C342C34200BDD8D53F6DEE24123AFA05" ID-CLB-Dataset="36765" ID-DOI="10.11646/zootaxa.3881.1.5" ID-GBIF-Dataset="82185009-96ec-4e39-b619-dfca5822a87a" ID-ISSN="1175-5326" ID-Zenodo-Dep="287404" ID-ZooBank="3619593D-557F-44DF-B9D9-5FB5D2488A82" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460955358916" checkinUser="plazi" docAuthor="Peña-Santiago, R. & Álvarez-Ortega, S." docDate="2014" docId="03925376FFBA2C0FFF08FF320543F870" docLanguage="en" docName="zt03881p074.pdf" docOrigin="Zootaxa 3881 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Sectonema heynsi Altherr 1968" docType="treatment" docVersion="8" lastPageNumber="70" masterDocId="FFAB2B0EFFBD2C08FF9FFFA5045AFFAE" masterDocTitle="Re-description of three species of the genus Sectonema Thorne, 1930 (Nematoda: Dorylaimida: Aporcelaimidae) originally studied by E. Altherr" masterLastPageNumber="74" masterPageNumber="63" pageNumber="70" updateTime="1698586131328" updateUser="ExternalLinkService">
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<mods:titleInfo id="EAA06CFAC7D2C996E1967651B5A3EC3A">
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<mods:title id="B065BFEA30DED1FB7B78C94998E0DD09">Re-description of three species of the genus Sectonema Thorne, 1930 (Nematoda: Dorylaimida: Aporcelaimidae) originally studied by E. Altherr</mods:title>
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<mods:name id="52D561608A2741194987CF1D4B610472" type="personal">
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<mods:roleTerm id="16BEBF26FB6CFEA076A79968E81F4959">Author</mods:roleTerm>
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<mods:namePart id="54356B23B986AFEA1956883AD4FB2C53">Peña-Santiago, R.</mods:namePart>
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<mods:roleTerm id="8C3E38CAFD9331545259DB7D123ECFA9">Author</mods:roleTerm>
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<mods:namePart id="C9F245EE3A92393E21734AF2ABE43A47">Álvarez-Ortega, S.</mods:namePart>
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<mods:typeOfResource id="BF124A9FFCF450864513F7E99382CF12">text</mods:typeOfResource>
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<mods:title id="E7E5E3C05360509FA08E8F0EB3F9912A">Zootaxa</mods:title>
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<mods:part id="A31DB056D11CC3C372702ABE3AFECD00">
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<mods:date id="E5A839D6A46487DF05B34D2139D1BFB5">2014</mods:date>
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<mods:detail id="4F811DB6C368A826CBE01A00C7D82132" type="volume">
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<mods:number id="C12021BB0D1734E6644309D0B01FA33C">3881</mods:number>
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<mods:detail id="D2A08ED4E3DCFC80A92B33F392B73A80" type="issue">
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<mods:identifier id="73BCB34F112913A4A9EC17AE910DF7AF" type="DOI">10.11646/zootaxa.3881.1.5</mods:identifier>
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<treatment id="03925376FFBA2C0FFF08FF320543F870" ID-DOI="http://doi.org/10.5281/zenodo.5685645" ID-GBIF-Taxon="127670702" ID-Zenodo-Dep="5685645" LSID="urn:lsid:plazi:treatment:03925376FFBA2C0FFF08FF320543F870" httpUri="http://treatment.plazi.org/id/03925376FFBA2C0FFF08FF320543F870" lastPageNumber="70" pageId="7" pageNumber="70">
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<subSubSection id="C321B1EBFFBA2C0FFF08FF3204B1FF7D" pageId="7" pageNumber="70" type="nomenclature">
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<paragraph id="8B84E260FFBA2C0FFF08FF320647FF1C" blockId="7.[151,541,151,211]" box="[151,541,151,178]" pageId="7" pageNumber="70">
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<heading id="D0CC550CFFBA2C0FFF08FF320647FF1C" bold="true" box="[151,541,151,178]" fontSize="11" level="1" pageId="7" pageNumber="70" reason="1">
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<taxonomicName id="4C3B99E3FFBA2C0FFF08FF320647FF1C" authority="Altherr, 1968" authorityName="Altherr" authorityYear="1968" box="[151,541,151,178]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="heynsi">
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<emphasis id="B94F3E72FFBA2C0FFF08FF320647FF1C" bold="true" box="[151,541,151,178]" pageId="7" pageNumber="70">
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<emphasis id="B94F3E72FFBA2C0FFF08FF32052AFF1F" bold="true" box="[151,368,151,177]" italics="true" pageId="7" pageNumber="70">Sectonema heynsi</emphasis>
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<bibRefCitation id="EFAA9F91FFBA2C0FFEE8FF3D0647FF1C" author="Altherr" box="[375,541,152,178]" pageId="7" pageNumber="70" refString="Altherr, E. (1968) Nematodes de la nappe phreatique du reseau fluvial de la Saale (Thuringe) et psammiques du Lac Stechlin (Brandebourg du Nord). Limnologica, 6, 247 - 320." type="journal article" year="1968">Altherr, 1968</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="8B84E260FFBA2C0FFF08FF1F04B1FF7D" blockId="7.[151,541,151,211]" box="[151,235,186,211]" pageId="7" pageNumber="70">
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(
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<figureCitation id="1300FEE5FFBA2C0FFF00FF1F04B9FF7D" box="[159,227,186,211]" captionStart="FIGURE 4" captionStartId="8.[151,250,1134,1156]" captionTargetBox="[346,1243,201,1108]" captionTargetId="figure@8.[340,1247,195,1112]" captionTargetPageId="8" captionText="FIGURE 4. Sectonema heynsi Altherr, 1968 (female holotype, LM). A, B: Anterior region in median, ventral view. C: Caudal region. D: Vulva. (Scale bars A, B, D = 10 µm; C = 25 µm.)" httpUri="https://zenodo.org/record/287408/files/figure.png" pageId="7" pageNumber="70">Fig. 4</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C321B1EBFFBA2C0FFF08FEA700D1FE91" pageId="7" pageNumber="70" type="materials_examined">
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<paragraph id="8B84E260FFBA2C0FFF08FEA700D1FE91" blockId="7.[151,1437,258,2014]" pageId="7" pageNumber="70">
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<emphasis id="B94F3E72FFBA2C0FFF08FEA705DAFEB5" bold="true" box="[151,384,258,283]" pageId="7" pageNumber="70">Material examined.</emphasis>
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Female
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<typeStatus id="54805CC2FFBA2C0FFE7EFEA70619FEB5" box="[481,579,258,283]" pageId="7" pageNumber="70" type="holotype">holotype</typeStatus>
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and one juvenile
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<typeStatus id="54805CC2FFBA2C0FFC94FEA60734FEB5" box="[779,878,259,283]" pageId="7" pageNumber="70" type="paratype">paratype</typeStatus>
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, in poor general condition as the female is visibly flattened and broken in two parts, and some morphological features have become obscure.
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</paragraph>
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</subSubSection>
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<subSubSection id="C321B1EBFFBA2C0FFF58FEEF05DFFBF9" pageId="7" pageNumber="70" type="description">
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<paragraph id="8B84E260FFBA2C0FFF58FEEF0657FECD" blockId="7.[151,1437,258,2014]" box="[199,525,330,355]" pageId="7" pageNumber="70">
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<emphasis id="B94F3E72FFBA2C0FFF58FEEF0527FECD" bold="true" box="[199,381,330,355]" pageId="7" pageNumber="70">Measurements.</emphasis>
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See
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<tableCitation id="C6B9D7DBFFBA2C0FFE2BFEEF065DFECD" box="[436,519,330,355]" captionStart="TABLE 1" captionStartId="2.[119,201,665,686]" captionTargetBox="[128,1769,747,1354]" captionTargetPageId="2" captionText="TABLE 1. Mοrphοmetrics οf Sectonema demani Altherr, 1965, Dorylaimus robustus apud de Man 1921 nec de Man, 1876, S. heynsi Altherr, 1968, and S. macrospiculum Altherr, 1958) Heyns, 1965. Measurements in μm (except L, in mm), and in the fοrm ∶ mean ± standard deviatiοn (range)." httpUri="http://table.plazi.org/id/DF44B2E8FFBF2C0AFFE8FD3C0149FD67" pageId="7" pageNumber="70" tableUuid="DF44B2E8FFBF2C0AFFE8FD3C0149FD67">Table 1</tableCitation>
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.
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</paragraph>
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<paragraph id="8B84E260FFBA2C0FFF58FECB01D7FB9D" blockId="7.[151,1437,258,2014]" pageId="7" pageNumber="70">
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<emphasis id="B94F3E72FFBA2C0FFF58FECB0503FE29" bold="true" box="[199,345,366,391]" pageId="7" pageNumber="70">Description.</emphasis>
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<emphasis id="B94F3E72FFBA2C0FFEFCFECB05EDFE28" box="[355,439,366,390]" italics="true" pageId="7" pageNumber="70">Female</emphasis>
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: Slender nematode of large size,
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<quantity id="4CC34F85FFBA2C0FFCDAFECB07F7FE28" box="[837,941,366,391]" metricMagnitude="-3" metricUnit="m" metricValue="6.45" pageId="7" pageNumber="70" unit="mm" value="6.45">6.45 mm</quantity>
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long. Body cylindrical, distinctly tapering towards the anterior end, less so towards the posterior one because the caudal region is rounded. Habitus regularly curved ventrad after fixation, C-shaped, Cuticle three-layered, especially distinct at caudal region, consisting of thin and smooth outer layer, a thicker inner layer bearing radial striation, and a thick inner layer; thickness 4 Μm at anterior region, 8 Μm in mid-body and 14 Μm on tail. Lateral chord 25 Μm wide at mid-body, occupying
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<emphasis id="B94F3E72FFBA2C0FFAD8FE5A0138FDB8" box="[1351,1378,511,534]" italics="true" pageId="7" pageNumber="70">ca</emphasis>
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onesixth (?16%) of mid-body diameter. Body pores obscure. Lip region nearly truncate, offset by deep constriction, 3.6 times as wide as high and 18% of body diameter at neck base; lips separate; labial and cephalic papillae distinct but low, weakly protruding; circumoral area bearing cilia- or small setae-like projections. Amphid fovea not observed since the anterior region is in ventral view. Cheilostom as long as wide. Mural tooth (as seen in ventral view) probably typical of the genus,
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<emphasis id="B94F3E72FFBA2C0FFE71FD16064BFD64" box="[494,529,691,714]" italics="true" pageId="7" pageNumber="70">i.e.</emphasis>
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lacking a distinct dorsal arm,
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<emphasis id="B94F3E72FFBA2C0FFCF9FD1607DBFD64" box="[870,897,691,714]" italics="true" pageId="7" pageNumber="70">ca</emphasis>
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three-fourths (70%) of lip region diameter long or 0.31% of body length, and somewhat extruded. Guiding ring weak, plicate. Odontophore linear, rod-like, its precise length difficult to establish. Pharynx distinctly muscular and tripartite, consisting of an anterior thickened spindle-shaped region running from the odontophore base to near the nerve ring, a narrower intermediate section enlarging very gradually, and a basal expansion 10.0 times as long as wide and 5.5 times as long as body diameter, and occupying 68% of total neck length. Pharyngeal gland nuclei obscure. Cardia non-distinguishable. Genital system didelphic-amphidelphic, but only the anterior branch is observable, being 607 µm long and occupying 9% of total body length: ovary large, 303 µm long; oviduct obscure; uterus apparently a simple but long tube 263 µm or?1.7 times the body diameter; vagina?115 µm long or?74% of body diameter, with
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<emphasis id="B94F3E72FFBA2C0FFB18FC76016EFC45" box="[1159,1332,979,1003]" italics="true" pageId="7" pageNumber="70">pars refringens</emphasis>
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obscure; vulva (as seen in ventral view) a long transverse slit. Prerectum and rectum inconspicuous. Tail short and rounded to rounded conoid, slightly more convex at its dorsal side; caudal pores two pairs, subdorsal, at the middle of tail.
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</paragraph>
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<paragraph id="8B84E260FFBA2C0FFF58FB9B05DFFBF9" blockId="7.[151,1437,258,2014]" box="[199,389,1086,1111]" pageId="7" pageNumber="70">
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<emphasis id="B94F3E72FFBA2C0FFF58FB9B055BFBF8" box="[199,257,1086,1110]" italics="true" pageId="7" pageNumber="70">Male</emphasis>
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: Unknown.
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</paragraph>
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</subSubSection>
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<subSubSection id="C321B1EBFFBA2C0FFF58FBC700A2FA4D" pageId="7" pageNumber="70" type="diagnosis">
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<paragraph id="8B84E260FFBA2C0FFF58FBC706F9FAA5" blockId="7.[151,1437,258,2014]" pageId="7" pageNumber="70">
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<emphasis id="B94F3E72FFBA2C0FFF58FBC7063EFBD5" bold="true" box="[199,612,1122,1147]" pageId="7" pageNumber="70">
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Diagnosis (based on the
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<typeStatus id="54805CC2FFBA2C0FFE72FBC7060DFBD5" box="[493,599,1122,1147]" pageId="7" pageNumber="70" type="holotype">holotype</typeStatus>
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).
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</emphasis>
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<taxonomicName id="4C3B99E3FFBA2C0FFDF3FBC6076FFBD5" box="[620,821,1123,1147]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="heynsi">
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<emphasis id="B94F3E72FFBA2C0FFDF3FBC6076FFBD5" box="[620,821,1123,1147]" italics="true" pageId="7" pageNumber="70">Sectonema heynsi</emphasis>
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</taxonomicName>
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is characterized by its body
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<quantity id="4CC34F85FFBA2C0FFBE0FBC700BFFBD4" box="[1151,1253,1122,1147]" metricMagnitude="-3" metricUnit="m" metricValue="6.45" pageId="7" pageNumber="70" unit="mm" value="6.45">6.45 mm</quantity>
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long, lip region offset by deep constriction and 28 Μm broad, circumoral area bearing cilia- or seta-like structures, mural tooth-like structure 20 Μm long, neck 1256 Μm long, pharyngeal expansion 856 Μm long or 68% of total neck length, uterus a tube-like structure 263 µm or?1.7 times the corresponding body diameter,
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<emphasis id="B94F3E72FFBA2C0FFC41FB6A07B5FB48" box="[990,1007,1231,1254]" italics="true" pageId="7" pageNumber="70">V</emphasis>
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= 50, tail short and rounded to conoid (54 Μm,
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<emphasis id="B94F3E72FFBA2C0FFF69FB560558FAA4" box="[246,258,1267,1290]" italics="true" pageId="7" pageNumber="70">c</emphasis>
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= 120,
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<emphasis id="B94F3E72FFBA2C0FFEC7FB560534FAA4" box="[344,366,1267,1290]" italics="true" pageId="7" pageNumber="70">c’</emphasis>
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= 0.7), and male unknown.
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</paragraph>
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<paragraph id="8B84E260FFBA2C0FFF58FAB300A2FA4D" blockId="7.[151,1437,258,2014]" pageId="7" pageNumber="70">
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<emphasis id="B94F3E72FFBA2C0FFF58FAB3052AFA81" bold="true" box="[199,368,1302,1327]" pageId="7" pageNumber="70">Relationships.</emphasis>
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Leaving aside the presence of cilia- or seta-like structures covering the circumoral area,
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<taxonomicName id="4C3B99E3FFBA2C0FFA18FAB20485FAFD" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="heynsi">
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<emphasis id="B94F3E72FFBA2C0FFA18FAB20485FAFD" italics="true" pageId="7" pageNumber="70">S. heynsi</emphasis>
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</taxonomicName>
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is morphometrically very similar to
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<taxonomicName id="4C3B99E3FFBA2C0FFD14FA9E06A6FAFD" box="[651,764,1339,1363]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="demani">
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<emphasis id="B94F3E72FFBA2C0FFD14FA9E06A6FAFD" box="[651,764,1339,1363]" italics="true" pageId="7" pageNumber="70">S. demani</emphasis>
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</taxonomicName>
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, another species described by Altherr. The nature of their mural tooth and vagina might be also different, but due the bad condition of the female
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<typeStatus id="54805CC2FFBA2C0FFBE8FAFB0083FAD9" box="[1143,1241,1374,1399]" pageId="7" pageNumber="70" type="holotype">holotype</typeStatus>
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of
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<taxonomicName id="4C3B99E3FFBA2C0FFA9FFAFA013EFAD8" box="[1280,1380,1374,1398]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="heynsi">
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<emphasis id="B94F3E72FFBA2C0FFA9FFAFA013EFAD8" box="[1280,1380,1374,1398]" italics="true" pageId="7" pageNumber="70">S. heynsi</emphasis>
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</taxonomicName>
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, any further comparative analysis is impossible. (See also remarks below.) In having cilia- or seta-like structures covering the circumoral area, a very special feature for dorylaims,
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<taxonomicName id="4C3B99E3FFBA2C0FFC11FA0207A9FA10" box="[910,1011,1446,1470]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="heynsi">
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<emphasis id="B94F3E72FFBA2C0FFC11FA0207A9FA10" box="[910,1011,1446,1470]" italics="true" pageId="7" pageNumber="70">S. heynsi</emphasis>
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</taxonomicName>
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resembles
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<taxonomicName id="4C3B99E3FFBA2C0FFBEBFA0201C2FA11" authority="Heyns, 1965" authorityName="Heyns" authorityYear="1965" box="[1140,1432,1446,1471]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="barbatum">
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<emphasis id="B94F3E72FFBA2C0FFBEBFA0200A4FA10" box="[1140,1278,1446,1470]" italics="true" pageId="7" pageNumber="70">S. barbatum</emphasis>
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<bibRefCitation id="EFAA9F91FFBA2C0FFA99FA0201C2FA11" author="Heyns" box="[1286,1432,1446,1471]" pageId="7" pageNumber="70" refString="Heyns, J. (1965) On the morphology and taxonomy of the Aporcelaimidae, a new family of dorylaimoid nematodes. Entomology Memoirs, Department of Agricultural Technical Services, Republic of South Africa, 10, 1 - 51." type="journal article" year="1965">Heyns, 1965</bibRefCitation>
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</taxonomicName>
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, but it can be easily distinguished from this in its much larger general size (
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<emphasis id="B94F3E72FFBA2C0FFC46FA6E07AAFA4C" box="[985,1008,1483,1506]" italics="true" pageId="7" pageNumber="70">vs</emphasis>
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body length
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<quantity id="4CC34F85FFBA2C0FFB1BFA6E00B6FA4D" box="[1156,1260,1483,1507]" metricMagnitude="-3" metricUnit="m" metricValue="3.89" pageId="7" pageNumber="70" unit="mm" value="3.89">3.89 mm</quantity>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="C321B1EBFFBA2C0FFF58FA5401D6F9D8" pageId="7" pageNumber="70" type="materials_examined">
|
||
<paragraph id="8B84E260FFBA2C0FFF58FA540158F9A4" blockId="7.[151,1437,258,2014]" box="[199,1282,1518,1546]" pageId="7" pageNumber="70">
|
||
<emphasis id="B94F3E72FFBA2C0FFF58FA5405AAF9A4" bold="true" box="[199,496,1521,1546]" pageId="7" pageNumber="70">
|
||
<typeStatus id="54805CC2FFBA2C0FFF58FA540558F9A4" box="[199,258,1521,1546]" pageId="7" pageNumber="70">Type</typeStatus>
|
||
locality and habitat
|
||
</emphasis>
|
||
.
|
||
<collectingCountry id="F32CA2F0FFBA2C0FFE61FA57063DF9A4" box="[510,615,1522,1546]" name="Germany" pageId="7" pageNumber="70">Germany</collectingCountry>
|
||
, Reichmannsdorf, Obere Hölle; collected on
|
||
<date id="FF85C4A0FFBA2C0FFBFEFA5700A4F9A4" box="[1121,1278,1518,1546]" pageId="7" pageNumber="70" value="1965-05-06">May 6th, 1965</date>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B84E260FFBA2C0FFF58F9B007B3F980" blockId="7.[151,1437,258,2014]" box="[199,1001,1557,1582]" pageId="7" pageNumber="70">
|
||
<emphasis id="B94F3E72FFBA2C0FFF58F9B0067AF980" bold="true" box="[199,544,1557,1582]" pageId="7" pageNumber="70">Other localities and habitats.</emphasis>
|
||
<collectingCountry id="F32CA2F0FFBA2C0FFDB8F9B306CAF980" box="[551,656,1558,1582]" name="Germany" pageId="7" pageNumber="70">Germany</collectingCountry>
|
||
, Wildenspring (
|
||
<bibRefCitation id="EFAA9F91FFBA2C0FFCDEF9B00787F980" author="Altherr" box="[833,989,1557,1582]" pageId="7" pageNumber="70" refString="Altherr, E. (1974) Nematodes de la nappe phreatique du reseau fluvial de la Saale (Thuringe), II. Limnologica, 9, 81 - 132." type="journal article" year="1974">Altherr, 1974</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B84E260FFBA2C0FFF58F99C01D6F9D8" blockId="7.[151,1437,258,2014]" pageId="7" pageNumber="70">
|
||
<emphasis id="B94F3E72FFBA2C0FFF58F99C052BF9FC" bold="true" box="[199,369,1593,1618]" pageId="7" pageNumber="70">
|
||
<typeStatus id="54805CC2FFBA2C0FFF58F99C0558F9FC" box="[199,258,1593,1618]" pageId="7" pageNumber="70">Type</typeStatus>
|
||
material
|
||
</emphasis>
|
||
. Female
|
||
<typeStatus id="54805CC2FFBA2C0FFE41F99C061AF9FC" box="[478,576,1593,1618]" pageId="7" pageNumber="70" type="holotype">holotype</typeStatus>
|
||
and one juvenile
|
||
<typeStatus id="54805CC2FFBA2C0FFC8AF99F072FF9FC" box="[789,885,1594,1618]" pageId="7" pageNumber="70" type="paratype">paratype</typeStatus>
|
||
on slide labelled NE 0 97 and 0 96, repectively, deposited with E. Altherr’s nematode collection at the Museo Cantonale di Storia Naturale–Lugano,
|
||
<collectingCountry id="F32CA2F0FFBA2C0FFB61F9F801D2F9D8" box="[1278,1416,1629,1654]" name="Switzerland" pageId="7" pageNumber="70">Switzerland</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C321B1EBFFBA2C0FFF58F9240543F870" pageId="7" pageNumber="70" type="discussion">
|
||
<paragraph id="8B84E260FFBA2C0FFF58F92405E1F8DC" blockId="7.[151,1437,258,2014]" pageId="7" pageNumber="70">
|
||
<emphasis id="B94F3E72FFBA2C0FFF58F9240561F934" bold="true" box="[199,315,1665,1690]" pageId="7" pageNumber="70">Remarks.</emphasis>
|
||
<taxonomicName id="4C3B99E3FFBA2C0FFEDCF9270657F937" box="[323,525,1665,1689]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="heynsi">
|
||
<emphasis id="B94F3E72FFBA2C0FFEDCF9270657F937" box="[323,525,1665,1689]" italics="true" pageId="7" pageNumber="70">Sectonema heynsi</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C3B99E3FFBA2C0FFDDAF92706EFF937" box="[581,693,1665,1689]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="demani">
|
||
<emphasis id="B94F3E72FFBA2C0FFDDAF92706EFF937" box="[581,693,1665,1689]" italics="true" pageId="7" pageNumber="70">S. demani</emphasis>
|
||
</taxonomicName>
|
||
are very similar morphometrically, with no significant difference affecting their most relevant measurements and ratios. The presence of cilia- or seta-like structures covering the circumoral area, a feature originally reported by
|
||
<bibRefCitation id="EFAA9F91FFBA2C0FFD56F96C0737F94C" author="Altherr" box="[713,877,1737,1762]" pageId="7" pageNumber="70" refString="Altherr, E. (1968) Nematodes de la nappe phreatique du reseau fluvial de la Saale (Thuringe) et psammiques du Lac Stechlin (Brandebourg du Nord). Limnologica, 6, 247 - 320." type="journal article" year="1968">Altherr (1968)</bibRefCitation>
|
||
as well, is a remarkable diagnostic feature of
|
||
<taxonomicName id="4C3B99E3FFBA2C0FFA18F96F0485F8AB" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="heynsi">
|
||
<emphasis id="B94F3E72FFBA2C0FFA18F96F0485F8AB" italics="true" pageId="7" pageNumber="70">S. heynsi</emphasis>
|
||
</taxonomicName>
|
||
and may be the reason why Altherr did not compare both species when describing
|
||
<taxonomicName id="4C3B99E3FFBA2C0FFB19F94B00B3F8AB" box="[1158,1257,1773,1797]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="heynsi">
|
||
<emphasis id="B94F3E72FFBA2C0FFB19F94B00B3F8AB" box="[1158,1257,1773,1797]" italics="true" pageId="7" pageNumber="70">S. heynsi</emphasis>
|
||
</taxonomicName>
|
||
in spite of their similarity. As mentioned above (see relationships), the morphology of the mural tooth and the vagina might be also different, but, because the female
|
||
<typeStatus id="54805CC2FFBA2C0FFD87F8900620F8E0" box="[536,634,1845,1870]" pageId="7" pageNumber="70" type="holotype">holotype</typeStatus>
|
||
of
|
||
<taxonomicName id="4C3B99E3FFBA2C0FFD3DF893075DF8E3" box="[674,775,1845,1869]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="heynsi">
|
||
<emphasis id="B94F3E72FFBA2C0FFD3DF893075DF8E3" box="[674,775,1845,1869]" italics="true" pageId="7" pageNumber="70">S. heynsi</emphasis>
|
||
</taxonomicName>
|
||
can only observed in subventral view, it is not possible to provide additional details.
|
||
</paragraph>
|
||
<paragraph id="8B84E260FFBA2C0FFF58F8D80543F870" blockId="7.[151,1437,258,2014]" pageId="7" pageNumber="70">
|
||
<bibRefCitation id="EFAA9F91FFBA2C0FFF58F8D80530F838" author="Altherr" box="[199,362,1917,1942]" pageId="7" pageNumber="70" refString="Altherr, E. (1974) Nematodes de la nappe phreatique du reseau fluvial de la Saale (Thuringe), II. Limnologica, 9, 81 - 132." type="journal article" year="1974">Altherr (1974)</bibRefCitation>
|
||
reported
|
||
<taxonomicName id="4C3B99E3FFBA2C0FFE46F8DB0664F83B" box="[473,574,1917,1941]" class="Adenophorea" family="Nygolaimidae" genus="Sectonema" kingdom="Animalia" order="Dorylaimida" pageId="7" pageNumber="70" phylum="Nematoda" rank="species" species="heynsi">
|
||
<emphasis id="B94F3E72FFBA2C0FFE46F8DB0664F83B" box="[473,574,1917,1941]" italics="true" pageId="7" pageNumber="70">S. heynsi</emphasis>
|
||
</taxonomicName>
|
||
for the second time in the same geographical area, but he gave a very brief description of one female and one juvenile and did not add any new relevant information about the morphology of the species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |