239 lines
28 KiB
XML
239 lines
28 KiB
XML
<document id="6D0FD0E51F6F11FC70DE496BB495D824" ID-CLB-Dataset="45585" ID-DOI="10.11646/zootaxa.3811.4.3" ID-GBIF-Dataset="6ab9cc07-eac7-4d4b-9b1d-c994697cd39f" ID-ISSN="1175-5326" ID-Zenodo-Dep="230701" ID-ZooBank="8D217288-2C30-4FD8-921D-5EDBEE3C02C9" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460432151992" checkinUser="plazi" docAuthor="Schwank, Peter & Kånneby, Tobias" docDate="2014" docId="03DD87DD6D1FFFF3F2E0FF7C8FD4F829" docLanguage="en" docName="zt03811p490.pdf" docOrigin="Zootaxa 3811 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Aspidiophorus ontarioniensis Schwank 1990" docType="treatment" docVersion="9" lastPageNumber="469" masterDocId="FFE4FFA56D19FFF5F277FFA28A42FFD9" masterDocTitle="Contribution to the freshwater gastrotrich fauna of wetland areas of southwestern Ontario (Canada) with redescriptions of seven species and a check-list for North America" masterLastPageNumber="490" masterPageNumber="463" pageNumber="469" updateTime="1698331565811" updateUser="ExternalLinkService">
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<mods:title id="C66F519487CBBE829623B5129718930E">Contribution to the freshwater gastrotrich fauna of wetland areas of southwestern Ontario (Canada) with redescriptions of seven species and a check-list for North America</mods:title>
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<mods:namePart id="335FBF8905B75D457E9F7C5EC88A977A">Schwank, Peter</mods:namePart>
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<mods:namePart id="B64FA88ADE41F8613BE2E4A61331F9E6">Kånneby, Tobias</mods:namePart>
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<mods:title id="D0B64AD968B2FD2E782004E049C6A5B6">Zootaxa</mods:title>
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<mods:date id="724CA48520B19B256DA10D149D21AECA">2014</mods:date>
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<mods:number id="22492E463BC300D09AF4AB508C7A5E13">3811</mods:number>
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<treatment id="03DD87DD6D1FFFF3F2E0FF7C8FD4F829" ID-DOI="http://doi.org/10.5281/zenodo.6135555" ID-GBIF-Taxon="119430605" ID-Zenodo-Dep="6135555" LSID="urn:lsid:plazi:treatment:03DD87DD6D1FFFF3F2E0FF7C8FD4F829" httpUri="http://treatment.plazi.org/id/03DD87DD6D1FFFF3F2E0FF7C8FD4F829" lastPageNumber="469" pageId="6" pageNumber="469">
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<subSubSection id="C36E65406D1FFFF3F2E0FF7C8AA9FEC0" pageId="6" pageNumber="469" type="nomenclature">
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<paragraph id="8BCB36CB6D1FFFF3F2E0FF7C88FFFF21" blockId="6.[151,701,222,282]" box="[151,701,222,248]" pageId="6" pageNumber="469">
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<heading id="D08381A76D1FFFF3F2E0FF7C88FFFF21" bold="true" box="[151,701,222,248]" fontSize="11" level="1" pageId="6" pageNumber="469" reason="1">
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<taxonomicName id="4C744D486D1FFFF3F2E0FF7C88FFFF21" authority="Schwank, 1990" authorityName="Schwank" authorityYear="1990" box="[151,701,222,248]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="ontarioniensis">
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<emphasis id="B900EAD96D1FFFF3F2E0FF7C88FFFF21" bold="true" box="[151,701,222,248]" pageId="6" pageNumber="469">
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<emphasis id="B900EAD96D1FFFF3F2E0FF7C8BB8FF21" bold="true" box="[151,506,222,248]" italics="true" pageId="6" pageNumber="469">Aspidiophorus ontarioniensis</emphasis>
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<bibRefCitation id="EFE54B3A6D1FFFF3F076FF7C88FFFF21" author="Schwank" box="[513,701,222,248]" pageId="6" pageNumber="469" refString="Schwank, P. (1990) Gastrotricha. In: Schwoerbel, J. & Zwick, P. (Eds.), Sußwasserfauna von Mitteleuropa, Band 3. Gastrotricha und Nemertini. Gustav Fischer Verlag, Stuttgart, Jena, New York, pp. 1 - 252." type="book chapter" year="1990">Schwank, 1990</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="8BCB36CB6D1FFFF3F2E0FEA38AA9FEC0" blockId="6.[151,701,222,282]" box="[151,235,257,282]" pageId="6" pageNumber="469">
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(
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<figureCitation id="134F2A4E6D1FFFF3F2E8FEA38AA1FEC0" box="[159,227,257,282]" captionStart="FIGURE 4" captionStartId="7.[151,250,1952,1974]" captionTargetBox="[293,1281,196,1923]" captionTargetId="figure@7.[284,1303,193,1931]" captionTargetPageId="7" captionText="FIGURE 4. Schematic drawing of Aspidophorus ontarioniensis. A) Dorsal view. B) Lateral view." httpUri="https://zenodo.org/record/230705/files/figure.png" pageId="6" pageNumber="469">Fig. 4</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C36E65406D1FFFF3F2E0FEE68973FE35" pageId="6" pageNumber="469" type="materials_examined">
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<paragraph id="8BCB36CB6D1FFFF3F2E0FEE68AB1FE59" blockId="6.[151,1437,324,2033]" pageId="6" pageNumber="469">
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<emphasis id="B900EAD96D1FFFF3F2E0FEE68B78FE84" bold="true" box="[151,314,324,349]" pageId="6" pageNumber="469">
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<typeStatus id="54CF88696D1FFFF3F2E0FEE68A90FE84" box="[151,210,324,349]" pageId="6" pageNumber="469">Type</typeStatus>
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locality.
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</emphasis>
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Among
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<taxonomicName id="4C744D486D1FFFF3F3D3FEE78BB2FE85" box="[420,496,325,348]" class="Liliopsida" family="Araceae" genus="Lemna" kingdom="Plantae" order="Alismatales" pageId="6" pageNumber="469" phylum="Tracheophyta" rank="genus">
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<emphasis id="B900EAD96D1FFFF3F3D3FEE78BB2FE85" box="[420,496,325,348]" italics="true" pageId="6" pageNumber="469">Lemna</emphasis>
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</taxonomicName>
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spp. and from muddy surfaces in ponds, Galt Creek, Puslinch district, Ontario,
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<collectingCountry id="F363765B6D1FFFF3F2E0FEC58AADFE59" box="[151,239,359,384]" name="Canada" pageId="6" pageNumber="469">Canada</collectingCountry>
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.
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</paragraph>
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<paragraph id="8BCB36CB6D1FFFF3F2B0FE2E887BFE11" blockId="6.[151,1437,324,2033]" pageId="6" pageNumber="469">
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<emphasis id="B900EAD96D1FFFF3F2B0FE2E8B37FE7C" bold="true" box="[199,373,396,421]" pageId="6" pageNumber="469">
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<typeStatus id="54CF88696D1FFFF3F2B0FE2E8B40FE7C" box="[199,258,396,421]" pageId="6" pageNumber="469">Type</typeStatus>
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material.
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</emphasis>
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Drawing of one specimen.
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<typeStatus id="54CF88696D1FFFF3F0DDFE2F895FFE7C" box="[682,797,397,421]" pageId="6" pageNumber="469" type="lectotype">Lectotype</typeStatus>
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,
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<collectionCode id="ED65AE0E6D1FFFF3F15FFE2E893BFE7D" box="[808,889,396,420]" httpUri="http://grbio.org/cool/8z6v-f8is" name="Saskatchewan Museum of Natural History" pageId="6" pageNumber="469">SMNH</collectionCode>
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Type-8550 deposited at the Swedish Museum of Natural History, Stockholm,
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<collectingCountry id="F363765B6D1FFFF3F3AEFE0D8874FE11" box="[473,566,431,456]" name="Sweden" pageId="6" pageNumber="469">Sweden</collectingCountry>
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.
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</paragraph>
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<paragraph id="8BCB36CB6D1FFFF3F2B0FE768973FE35" blockId="6.[151,1437,324,2033]" box="[199,817,468,493]" pageId="6" pageNumber="469">
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<emphasis id="B900EAD96D1FFFF3F2B0FE768BC3FE34" bold="true" box="[199,385,468,493]" pageId="6" pageNumber="469">Other material.</emphasis>
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<specimenCount id="9D72FD426D1FFFF3F3FFFE768850FE34" box="[392,530,468,493]" pageId="6" pageNumber="469" type="generic">3 specimens</specimenCount>
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that are no longer extant.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36E65406D1FFFF3F2B0FE5589B6FDC9" box="[199,1012,503,528]" pageId="6" pageNumber="469" type="etymology">
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<paragraph id="8BCB36CB6D1FFFF3F2B0FE5589B6FDC9" blockId="6.[151,1437,324,2033]" box="[199,1012,503,528]" pageId="6" pageNumber="469">
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<emphasis id="B900EAD96D1FFFF3F2B0FE558B0CFDC9" bold="true" box="[199,334,503,528]" pageId="6" pageNumber="469">Etymology.</emphasis>
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Species name derived from the province Ontario in
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<collectingCountry id="F363765B6D1FFFF3F1EFFE5589B2FDC9" box="[920,1008,503,528]" name="Canada" pageId="6" pageNumber="469">Canada</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36E65406D1FFFF3F2B0FDBE88AFFCE9" pageId="6" pageNumber="469" type="diagnosis">
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<paragraph id="8BCB36CB6D1FFFF3F2B0FDBE897CFCD4" blockId="6.[151,1437,324,2033]" pageId="6" pageNumber="469">
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<emphasis id="B900EAD96D1FFFF3F2B0FDBE8B03FDEC" bold="true" box="[199,321,540,565]" pageId="6" pageNumber="469">Diagnosis.</emphasis>
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Small species, 120–140 µm in total body length. Head rounded with two pairs of sensory ciliary tufts. Hypostomion, epipleuria and ocellar granules absent. Furca straight, 18 µm long, with adhesive tubes 8–9 µm long. Dorsal body surface covered by pedunculate scales with rounded anterior part and indented posterior part distributed in 17–19 columns in the head and neck region and 9 columns in the trunk region. All scales without keels. The last 2–3 lateral scales with endplates elongated into a simple spine up to 20 µm long. A pair of 25 µm long simple parafurcal spines anchored by round to oval scales also present. Ventral interciliary area covered by 25 rows of minute pedunculate scales. Pharynx 30–35 µm long.
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</paragraph>
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<paragraph id="8BCB36CB6D1FFFF3F2B0FCB588AFFCE9" blockId="6.[151,1437,324,2033]" box="[199,749,791,816]" pageId="6" pageNumber="469">Only parthenogenetic individuals were observed.</paragraph>
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</subSubSection>
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<subSubSection id="C36E65406D1FFFF3F2B0FC9E8FD4F829" pageId="6" pageNumber="469" type="description">
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<paragraph id="8BCB36CB6D1FFFF3F2B0FC9E8912FC19" blockId="6.[151,1437,324,2033]" pageId="6" pageNumber="469">
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<emphasis id="B900EAD96D1FFFF3F2B0FC9E8B1BFC8C" bold="true" box="[199,345,828,853]" pageId="6" pageNumber="469">Description.</emphasis>
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A small and elegant species, 120–140 µm in total body length. Body tenpin-shaped. Head more or less rounded with two pairs of sensory ciliary tufts; posterior pair with considerably longer cilia (up to 15 µm) than those of the anterior pair. Cephalion very thin and close to the cuticle, 12 µm in width. Hypostomion and epipleuria absent. Hypopleuria small. Ocellar granules absent.
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</paragraph>
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<paragraph id="8BCB36CB6D1FFFF3F2B0FC6E8FDFFAF1" blockId="6.[151,1437,324,2033]" pageId="6" pageNumber="469">Body width 19 µm at the head (U07), 15 µm at the neck (U21), 24 µm at the trunk (U57) and 14 µm at the base of the furca (U81). Head delimited from trunk by neck constriction. Furca straight, 18 µm in length with adhesive tubes 8–9 µm in length. Proximal part of furca naked, adhesive tubes slightly curved. Anterior and posterior dorsal sensory bristles present, anterior pair anchored at U27 and posterior pair anchored directly on cuticle at U76. Head and neck covered by 17–19 dorsal columns of pedunculate scales distributed in 12–13 rows. Trunk covered by 9 dorsal columns of pedunculate scales distributed in 16–17 rows. The scales are without keels, with a rounded anterior part and indented posterior part. The peduncle is on average 1.5 µm in height. Scales of the dorsal trunk region measure 6–7 µm in length and 2–4 µm in width. The endplates of the last 2–3 lateral scales are elongated into simple spines, up to 20 µm in length. In addition a pair of simple parafurcal spines, 25 µm in length are anchored at U81 by small round to oval scales. The parafurcal spines extend beyond the tips of the furcal branches.</paragraph>
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<paragraph id="8BCB36CB6D1FFFF3F2B0FA968E0CFA94" blockId="6.[151,1437,324,2033]" box="[199,1102,1332,1357]" pageId="6" pageNumber="469">The ventral interciliary area is covered by 25 rows of minute pedunculate scales.</paragraph>
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<paragraph id="8BCB36CB6D1FFFF3F2B0FAF5894CFA4D" blockId="6.[151,1437,324,2033]" pageId="6" pageNumber="469">Mouth subterminal. Mouth tube very small, only 3 µm in diameter, and weakly cuticularized. Pharynx 30–35 µm in length with a small bulb at each end. PhIJ at U30.</paragraph>
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<paragraph id="8BCB36CB6D1FFFF3F2B0FA3D88AFFA61" blockId="6.[151,1437,324,2033]" box="[199,749,1439,1464]" pageId="6" pageNumber="469">Only parthenogenetic individuals were observed.</paragraph>
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<paragraph id="8BCB36CB6D1FFFF3F2B0FA668FD4F829" blockId="6.[151,1437,324,2033]" pageId="6" pageNumber="469">
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<emphasis id="B900EAD96D1FFFF3F2B0FA668B83FA04" bold="true" box="[199,449,1476,1501]" pageId="6" pageNumber="469">Taxonomic remarks.</emphasis>
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Because of its very long posterior spines
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<taxonomicName id="4C744D486D1FFFF3F1CCFA668E3CFA05" box="[955,1150,1476,1500]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="ontarioniensis">
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<emphasis id="B900EAD96D1FFFF3F1CCFA668E3CFA05" box="[955,1150,1476,1500]" italics="true" pageId="6" pageNumber="469">A. ontarioniensis</emphasis>
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</taxonomicName>
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can be morphologically separated from all
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<taxonomicName id="4C744D486D1FFFF3F31BFA458852FA26" box="[364,528,1511,1535]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="genus">
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<emphasis id="B900EAD96D1FFFF3F31BFA458852FA26" box="[364,528,1511,1535]" italics="true" pageId="6" pageNumber="469">Aspidiophorus</emphasis>
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</taxonomicName>
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without spines. There are 7 taxa within the genus that possess posterior spines:
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<taxonomicName id="4C744D486D1FFFF3F2E0F9A98877F9FA" authority="Martin, 1981" authorityName="Martin" authorityYear="1981" box="[151,565,1547,1572]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="aster">
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<emphasis id="B900EAD96D1FFFF3F2E0F9A98BC6F9FA" box="[151,388,1547,1571]" italics="true" pageId="6" pageNumber="469">Aspidiophorus aster</emphasis>
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<bibRefCitation id="EFE54B3A6D1FFFF3F3E2F9A98877F9FA" author="Martin" box="[405,565,1547,1572]" pageId="6" pageNumber="469" refString="Martin, L. V. (1981) Gastrotrichs found in Surrey. Microscopy, 34, 286 - 301." type="journal article" year="1981">Martin, 1981</bibRefCitation>
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</taxonomicName>
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,
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<taxonomicName id="4C744D486D1FFFF3F03CF9A98EA1F9FA" authority="Saito, 1937" authorityName="Saito" authorityYear="1937" box="[587,1251,1547,1572]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="subSpecies" species="heterodermus" subSpecies="heterodermus">
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<emphasis id="B900EAD96D1FFFF3F03CF9A98E06F9FA" box="[587,1092,1547,1571]" italics="true" pageId="6" pageNumber="469">Aspidiophorus heterodermus heterodermus</emphasis>
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||
<bibRefCitation id="EFE54B3A6D1FFFF3F622F9A98EA1F9FA" author="Saito" box="[1109,1251,1547,1572]" pageId="6" pageNumber="469" refString="Saito, I. (1937) Neue und bekannte Gastrotrichen der Umgebung von Hirosima (Japan). Journal of Science of the Hirosima University Series B, 5, 245 - 265." type="journal article" year="1937">Saito, 1937</bibRefCitation>
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</taxonomicName>
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,
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<taxonomicName id="4C744D486D1FFFF3F68EF9A988DCF99E" authority="Kisielewski, 1999" authorityName="Kisielewski" authorityYear="1999" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="subSpecies" species="heterodermus" subSpecies="levantinensis">
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||
<emphasis id="B900EAD96D1FFFF3F68EF9A98B8BF99F" italics="true" pageId="6" pageNumber="469">Aspidiophorus heterodermus levantinensis</emphasis>
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<bibRefCitation id="EFE54B3A6D1FFFF3F3A7F98C88DCF99E" author="Kisielewski" box="[464,670,1582,1607]" pageId="6" pageNumber="469" refString="Kisielewski, J. (1999) A preliminary study of the inland-water Gastrotricha of Israel. Israel Journal of Zoology, 45, 135 - 157." type="journal article" year="1999">Kisielewski, 1999</bibRefCitation>
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||
</taxonomicName>
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,
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<taxonomicName id="4C744D486D1FFFF3F0DEF98C8EFAF99E" authority="Kisielewski, 1986" authorityName="Kisielewski" authorityYear="1986" box="[681,1208,1582,1607]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="longichaetus">
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<emphasis id="B900EAD96D1FFFF3F0DEF98C89A1F99F" box="[681,995,1582,1606]" italics="true" pageId="6" pageNumber="469">Aspidiophorus longichaetus</emphasis>
|
||
<bibRefCitation id="EFE54B3A6D1FFFF3F19DF98C8EFAF99E" author="Kisielewski" box="[1002,1208,1582,1607]" pageId="6" pageNumber="469" refString="Kisielewski, J. (1986) Taxonomic notes on freshwater gastrotrichs of the genus Aspidiophorus Voigt (Gastrotricha, Chaetonotidae), with descriptions of four new species. Fragmenta Faunistica, 30, 139 - 156." type="journal article" year="1986">Kisielewski, 1986</bibRefCitation>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C744D486D1FFFF3F6B4F98C8B24F9B3" authority="Kisielewski, 1999" authorityName="Kisielewski" authorityYear="1999" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="pori">
|
||
<emphasis id="B900EAD96D1FFFF3F6B4F98C8FDEF99F" box="[1219,1436,1582,1606]" italics="true" pageId="6" pageNumber="469">Aspidiophorus pori</emphasis>
|
||
<bibRefCitation id="EFE54B3A6D1FFFF3F2E0F9F38B24F9B3" author="Kisielewski" box="[151,358,1617,1642]" pageId="6" pageNumber="469" refString="Kisielewski, J. (1999) A preliminary study of the inland-water Gastrotricha of Israel. Israel Journal of Zoology, 45, 135 - 157." type="journal article" year="1999">Kisielewski, 1999</bibRefCitation>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C744D486D1FFFF3F303F9F089D7F9B3" authority="Roszczak, 1936" authorityName="Roszczak" authorityYear="1936" box="[372,917,1617,1642]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="squammulosus">
|
||
<emphasis id="B900EAD96D1FFFF3F303F9F08887F9B3" box="[372,709,1618,1642]" italics="true" pageId="6" pageNumber="469">Aspidiophorus squammulosus</emphasis>
|
||
(
|
||
<bibRefCitation id="EFE54B3A6D1FFFF3F0A1F9F389CFF9B3" author="Roszczak" box="[726,909,1617,1642]" pageId="6" pageNumber="469" refString="Roszczak, R. (1936) Brzuchorzeski (Gastrotricha) zbiornikow wodnych okolic Poznania. Spraw Poznan. Towarzystwa Przyjaciol Nauk, 9, 109 - 111. [1935]" type="journal article" year="1936">Roszczak, 1936</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C744D486D1FFFF3F1A7F9F08A91F957" authority="Kisielewski, 1986" authorityName="Kisielewski" authorityYear="1986" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="tetrachaetus">
|
||
<emphasis id="B900EAD96D1FFFF3F1A7F9F08F45F9B3" box="[976,1287,1618,1642]" italics="true" pageId="6" pageNumber="469">Aspidiophorus tetrachaetus</emphasis>
|
||
<bibRefCitation id="EFE54B3A6D1FFFF3F766F9F38A91F957" author="Kisielewski" pageId="6" pageNumber="469" refString="Kisielewski, J. (1986) Taxonomic notes on freshwater gastrotrichs of the genus Aspidiophorus Voigt (Gastrotricha, Chaetonotidae), with descriptions of four new species. Fragmenta Faunistica, 30, 139 - 156." type="journal article" year="1986">Kisielewski, 1986</bibRefCitation>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C744D486D1FFFF3F2A8F9D48BE2F954" box="[223,416,1654,1677]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="ontarioniensis">
|
||
<emphasis id="B900EAD96D1FFFF3F2A8F9D48BE2F954" box="[223,416,1654,1677]" italics="true" pageId="6" pageNumber="469">A. ontarioniensis</emphasis>
|
||
</taxonomicName>
|
||
can be separated from
|
||
<taxonomicName id="4C744D486D1FFFF3F0D8F9D48945F954" box="[687,775,1654,1677]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="aster">
|
||
<emphasis id="B900EAD96D1FFFF3F0D8F9D48945F954" box="[687,775,1654,1677]" italics="true" pageId="6" pageNumber="469">A. aster</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C744D486D1FFFF3F160F9D48E31F954" box="[791,1139,1653,1677]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="subSpecies" species="heterodermus" subSpecies="heterodermus">
|
||
<emphasis id="B900EAD96D1FFFF3F160F9D48E31F954" box="[791,1139,1653,1677]" italics="true" pageId="6" pageNumber="469">A. heterodermus heterodermus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C744D486D1FFFF3F6F4F9D48F0BF954" box="[1155,1353,1653,1677]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="squammulosus">
|
||
<emphasis id="B900EAD96D1FFFF3F6F4F9D48F0BF954" box="[1155,1353,1653,1677]" italics="true" pageId="6" pageNumber="469">A. squammulosus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C744D486D1FFFF3F7F3F9D48B60F968" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="tetrachaetus">
|
||
<emphasis id="B900EAD96D1FFFF3F7F3F9D48B60F968" italics="true" pageId="6" pageNumber="469">A. tetrachaetus</emphasis>
|
||
</taxonomicName>
|
||
in that it has a pair of parafurcal spines that extends beyond the furcal branches. Such spines are also present in
|
||
<taxonomicName id="4C744D486D1FFFF3F37BF91F881FF90D" box="[268,605,1724,1748]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="subSpecies" species="heterodermus" subSpecies="levantinensis">
|
||
<emphasis id="B900EAD96D1FFFF3F37BF91F881FF90D" box="[268,605,1724,1748]" italics="true" pageId="6" pageNumber="469">A. heterodermus levantinensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C744D486D1FFFF3F01BF91F8958F90D" box="[620,794,1724,1748]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="longichaetus">
|
||
<emphasis id="B900EAD96D1FFFF3F01BF91F8958F90D" box="[620,794,1724,1748]" italics="true" pageId="6" pageNumber="469">A. longichaetus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C744D486D1FFFF3F126F91F89DDF90D" box="[849,927,1725,1748]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="pori">
|
||
<emphasis id="B900EAD96D1FFFF3F126F91F89DDF90D" box="[849,927,1725,1748]" italics="true" pageId="6" pageNumber="469">A. pori</emphasis>
|
||
</taxonomicName>
|
||
. In the case of
|
||
<taxonomicName id="4C744D486D1FFFF3F63DF91F8FDEF90D" box="[1098,1436,1724,1748]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="subSpecies" species="heterodermus" subSpecies="levantinensis">
|
||
<emphasis id="B900EAD96D1FFFF3F63DF91F8FDEF90D" box="[1098,1436,1724,1748]" italics="true" pageId="6" pageNumber="469">A. heterodermus levantinensis</emphasis>
|
||
</taxonomicName>
|
||
there is a pair of simple parafurcal spines that extends just beyond the furca much as in
|
||
<taxonomicName id="4C744D486D1FFFF3F614F9428F60F92E" box="[1123,1314,1760,1783]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="ontarioniensis">
|
||
<emphasis id="B900EAD96D1FFFF3F614F9428F60F92E" box="[1123,1314,1760,1783]" italics="true" pageId="6" pageNumber="469">A. ontarioniensis</emphasis>
|
||
</taxonomicName>
|
||
. However,
|
||
<taxonomicName id="4C744D486D1FFFF3F2E0F8A18BAAF8C2" box="[151,488,1795,1819]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="subSpecies" species="heterodermus" subSpecies="levantinensis">
|
||
<emphasis id="B900EAD96D1FFFF3F2E0F8A18BAAF8C2" box="[151,488,1795,1819]" italics="true" pageId="6" pageNumber="469">A. heterodermus levantinensis</emphasis>
|
||
</taxonomicName>
|
||
also has a median group of spines in the posterior trunk region and does not possess the 2–3 pairs of lateral scales drawn out into spines.
|
||
<taxonomicName id="4C744D486D1FFFF3F08EF8858908F8E7" box="[761,842,1831,1854]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="pori">
|
||
<emphasis id="B900EAD96D1FFFF3F08EF8858908F8E7" box="[761,842,1831,1854]" italics="true" pageId="6" pageNumber="469">A. pori</emphasis>
|
||
</taxonomicName>
|
||
has several posterior spines that extend beyond the furcal branches and also a median group of spines in the posterior trunk region. The above characters of
|
||
<taxonomicName id="4C744D486D1FFFF3F7F3F8E88B75F85C" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="ontarioniensis">
|
||
<emphasis id="B900EAD96D1FFFF3F7F3F8E88B75F85C" italics="true" pageId="6" pageNumber="469">A. ontarioniensis</emphasis>
|
||
</taxonomicName>
|
||
together with the prominent hypostomion furrow separates it from the other species of
|
||
<taxonomicName id="4C744D486D1FFFF3F2E0F8338B78F870" box="[151,314,1937,1961]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="genus">
|
||
<emphasis id="B900EAD96D1FFFF3F2E0F8338B78F870" box="[151,314,1937,1961]" italics="true" pageId="6" pageNumber="469">Aspidiophorus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C744D486D1FFFF3F33FF8338844F870" box="[328,518,1937,1961]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="ontarioniensis">
|
||
<emphasis id="B900EAD96D1FFFF3F33FF8338844F870" box="[328,518,1937,1961]" italics="true" pageId="6" pageNumber="469">A. ontarioniensis</emphasis>
|
||
</taxonomicName>
|
||
is morphologically closely related to
|
||
<taxonomicName id="4C744D486D1FFFF3F1DBF8338E19F870" box="[940,1115,1937,1961]" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="longichaetus">
|
||
<emphasis id="B900EAD96D1FFFF3F1DBF8338E19F870" box="[940,1115,1937,1961]" italics="true" pageId="6" pageNumber="469">A. longichaetus</emphasis>
|
||
</taxonomicName>
|
||
. Both species share a pair of parafurcal spines that extend beyond the furcal branches (although they are more than twice as long in
|
||
<taxonomicName id="4C744D486D1FFFF3F7F3F8178B63F829" family="Chaetonotidae" genus="Aspidiophorus" kingdom="Animalia" order="Chaetonotida" pageId="6" pageNumber="469" phylum="Gastrotricha" rank="species" species="longichaetus">
|
||
<emphasis id="B900EAD96D1FFFF3F7F3F8178B63F829" italics="true" pageId="6" pageNumber="469">A. longichaetus</emphasis>
|
||
</taxonomicName>
|
||
) and they also share the 2–3 posteriormost lateral scales that are drawn out into simple spines. However,
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |