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<document id="B4C7178AAAC161D2EB127B1072AF89DC" 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 &amp; Kånneby, Tobias" docDate="2014" docId="03DD87DD6D15FFFBF2E0F9468ECBFCA6" 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="Chaetonotus (Chaetonotus) furculatus Schwank 1990" docType="treatment" docVersion="9" lastPageNumber="477" 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="475" updateTime="1698331565811" updateUser="ExternalLinkService">
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<mods:title id="5F81F0F6F19FF7A64E8A54981E5949E8">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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<treatment id="03DD87DD6D15FFFBF2E0F9468ECBFCA6" ID-DOI="http://doi.org/10.5281/zenodo.6135579" ID-GBIF-Taxon="119430628" ID-Zenodo-Dep="6135579" LSID="urn:lsid:plazi:treatment:03DD87DD6D15FFFBF2E0F9468ECBFCA6" httpUri="http://treatment.plazi.org/id/03DD87DD6D15FFFBF2E0F9468ECBFCA6" lastPageId="14" lastPageNumber="477" pageId="12" pageNumber="475">
<subSubSection id="C36E65406D15FFF9F2E0F9468AA9F8C6" pageId="12" pageNumber="475" type="nomenclature">
<paragraph id="8BCB36CB6D15FFF9F2E0F9468969F927" blockId="12.[151,811,1764,1823]" box="[151,811,1764,1790]" pageId="12" pageNumber="475">
<heading id="D08381A76D15FFF9F2E0F9468969F927" bold="true" box="[151,811,1764,1790]" fontSize="11" level="1" pageId="12" pageNumber="475" reason="1">
<taxonomicName id="4C744D486D15FFF9F2E0F9468969F927" ID-CoL="TD7W" authority="Schwank, 1990" authorityName="Schwank" authorityYear="1990" box="[151,811,1764,1790]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="12" pageNumber="475" phylum="Gastrotricha" rank="species" species="furculatus" subGenus="Chaetonotus">
<emphasis id="B900EAD96D15FFF9F2E0F9468969F927" bold="true" box="[151,811,1764,1790]" pageId="12" pageNumber="475">
<emphasis id="B900EAD96D15FFF9F2E0F946882AF927" bold="true" box="[151,616,1764,1790]" italics="true" pageId="12" pageNumber="475">Chaetonotus (Chaetonotus) furculatus</emphasis>
<bibRefCitation id="EFE54B3A6D15FFF9F007F9468969F927" author="Schwank" box="[624,811,1764,1790]" pageId="12" pageNumber="475" refString="Schwank, P. (1990) Gastrotricha. In: Schwoerbel, J. &amp; 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>
</emphasis>
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</paragraph>
<paragraph id="8BCB36CB6D15FFF9F2E0F8A48AA9F8C6" blockId="12.[151,811,1764,1823]" box="[151,235,1798,1823]" pageId="12" pageNumber="475">
(
<figureCitation id="134F2A4E6D15FFF9F2E8F8A48AA1F8C6" box="[159,227,1798,1823]" captionStart="FIGURE 7" captionStartId="13.[151,250,1808,1830]" captionTargetBox="[476,1108,210,1774]" captionTargetId="figure@13.[460,1127,193,1787]" captionTargetPageId="13" captionText="FIGURE 7. Schematic drawing of Chaetonotus (Chaetonotus) furculatus. A) Dorsal view. B) Lateral view of head. C) Spined scale of the trunk region. D) Lateral view of posterior end of body." httpUri="https://zenodo.org/record/230707/files/figure.png" pageId="12" pageNumber="475">Fig. 7</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C36E65406D15FFF9F2E0F8EC8973F80B" pageId="12" pageNumber="475" type="materials_examined">
<paragraph id="8BCB36CB6D15FFF9F2E0F8EC887BF876" blockId="12.[151,1436,1870,2003]" pageId="12" pageNumber="475">
<emphasis id="B900EAD96D15FFF9F2E0F8EC8B77F8BE" bold="true" box="[151,309,1870,1895]" pageId="12" pageNumber="475">
<typeStatus id="54CF88696D15FFF9F2E0F8EC8A90F8BE" box="[151,210,1870,1895]" pageId="12" pageNumber="475">Type</typeStatus>
locality.
</emphasis>
In mud and mosses in ponds near Galt Creek, Puslinch district, Ontario,
<collectingCountry id="F363765B6D15FFF9F610F8EC8EFDF8BE" box="[1127,1215,1870,1895]" name="Canada" pageId="12" pageNumber="475">Canada</collectingCountry>
.
<emphasis id="B900EAD96D15FFF9F2B0F8D08B37F852" bold="true" box="[199,373,1906,1931]" pageId="12" pageNumber="475">
<typeStatus id="54CF88696D15FFF9F2B0F8D08B40F852" box="[199,258,1906,1931]" pageId="12" pageNumber="475">Type</typeStatus>
material.
</emphasis>
Drawing of one specimen.
<typeStatus id="54CF88696D15FFF9F0DDF8D1895FF852" box="[682,797,1907,1931]" pageId="12" pageNumber="475" type="lectotype">Lectotype</typeStatus>
,
<collectionCode id="ED65AE0E6D15FFF9F15FF8D1893BF852" box="[808,889,1907,1931]" httpUri="http://grbio.org/cool/8z6v-f8is" name="Saskatchewan Museum of Natural History" pageId="12" pageNumber="475">SMNH</collectionCode>
Type-8553 deposited at the Swedish Museum of Natural History, Stockholm,
<collectingCountry id="F363765B6D15FFF9F3AEF8348874F876" box="[473,566,1942,1967]" name="Sweden" pageId="12" pageNumber="475">Sweden</collectingCountry>
.
</paragraph>
<paragraph id="8BCB36CB6D15FFF9F2B0F8188973F80B" blockId="12.[151,1436,1870,2003]" box="[199,817,1978,2003]" pageId="12" pageNumber="475">
<emphasis id="B900EAD96D15FFF9F2B0F8188BC3F80A" bold="true" box="[199,385,1978,2003]" pageId="12" pageNumber="475">Other material.</emphasis>
<specimenCount id="9D72FD426D15FFF9F3FFF8198850F80A" box="[392,530,1978,2003]" pageId="12" pageNumber="475" type="generic">7 specimens</specimenCount>
that are no longer extant.
</paragraph>
</subSubSection>
<caption id="DF0B66436D14FFF8F2E0F8B28978F89C" httpUri="https://zenodo.org/record/230707/files/figure.png" pageId="13" pageNumber="476" targetBox="[476,1108,210,1774]" targetPageId="13">
<paragraph id="8BCB36CB6D14FFF8F2E0F8B28978F89C" blockId="13.[151,1436,1808,1861]" pageId="13" pageNumber="476">
<emphasis id="B900EAD96D14FFF8F2E0F8B28B51F8FF" bold="true" box="[151,275,1808,1830]" pageId="13" pageNumber="476">FIGURE 7.</emphasis>
Schematic drawing of
<taxonomicName id="4C744D486D14FFF8F388F8B289C0F8FF" box="[511,898,1808,1830]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="13" pageNumber="476" phylum="Gastrotricha" rank="species" species="furculatus" subGenus="Chaetonotus">
<emphasis id="B900EAD96D14FFF8F388F8B289C0F8FF" box="[511,898,1808,1830]" italics="true" pageId="13" pageNumber="476">Chaetonotus (Chaetonotus) furculatus</emphasis>
</taxonomicName>
. A) Dorsal view. B) Lateral view of head. C) Spined scale of the trunk region. D) Lateral view of posterior end of body.
</paragraph>
</caption>
<subSubSection id="C36E65406D14FFF8F2B0F8CE8E5FF85C" box="[199,1053,1900,1925]" pageId="13" pageNumber="476" type="etymology">
<paragraph id="8BCB36CB6D14FFF8F2B0F8CE8E5FF85C" blockId="13.[151,1436,1900,2033]" box="[199,1053,1900,1925]" pageId="13" pageNumber="476">
<emphasis id="B900EAD96D14FFF8F2B0F8CE8B0CF85C" bold="true" box="[199,334,1900,1925]" pageId="13" pageNumber="476">Etymology.</emphasis>
The species name is derived from the shape of the caudal furca.
</paragraph>
</subSubSection>
<subSubSection id="C36E65406D14FFFBF2B0F8328B43FF0C" lastPageId="14" lastPageNumber="477" pageId="13" pageNumber="476" type="diagnosis">
<paragraph id="8BCB36CB6D14FFFBF2B0F8328B43FF0C" blockId="13.[151,1436,1900,2033]" lastBlockId="14.[151,1437,151,896]" lastPageId="14" lastPageNumber="477" pageId="13" pageNumber="476">
<emphasis id="B900EAD96D14FFF8F2B0F8328B03F870" bold="true" box="[199,321,1936,1961]" pageId="13" pageNumber="476">Diagnosis.</emphasis>
Small and slender species, 100140 µm in total body length. Head three-lobed with one pair of sensory ciliary tufts. Two pairs of dorsal sensory bristles. Furca 2025 µm in length with adhesive tubes 1520 µm in length. Adhesive tubes pointing outwards at their distal ends. Dorsal surface covered by 89 columns of arrowhead-shaped scales with a simple spine distributed in approximately 30 rows. Pharynx cylindrical, 2325 µm in length.
</paragraph>
</subSubSection>
<subSubSection id="C36E65406D17FFFBF2B0FF7D8ECBFCA6" pageId="14" pageNumber="477" type="description">
<paragraph id="8BCB36CB6D17FFFBF2B0FF7D8E82FEC4" blockId="14.[151,1437,151,896]" pageId="14" pageNumber="477">
<emphasis id="B900EAD96D17FFFBF2B0FF7D8B1BFF21" bold="true" box="[199,345,223,248]" pageId="14" pageNumber="477">Description.</emphasis>
Small species with slender, elongated body 100140 µm in total body length. Head three-lobed with well developed cephalion, 9 µm in diameter, and pleuria. One pair of sensory ciliary tufts.
</paragraph>
<paragraph id="8BCB36CB6D17FFFBF2B0FE858982FDC1" blockId="14.[151,1437,151,896]" pageId="14" pageNumber="477">Body width 1314 µm at the head (U08), 1112 µm at the neck (U12), 1718 µm at the trunk (U47) and 910 µm at the base of the furca (U85). Head only slightly delimited from trunk by neck constriction. Furca 2025 µm in length, conspicuously elongated with adhesive tubes contributing to 1520 µm of the total furca length. Base of furcal branches naked, adhesive tubes pointing outward at their distal end. Two pairs of dorsal sensory bristles present, anterior pair anchored at U20 and posterior pair anchored at U73. Dorsal surface covered by 89 columns, each with approximately 30 small arrowhead-shaped scales. Scales bear a simple, curved spine, 25 µm in length. Spines only marginally increase in length from anterior to posterior end.</paragraph>
<paragraph id="8BCB36CB6D17FFFBF2B0FD8688E6FDE4" blockId="14.[151,1437,151,896]" box="[199,676,548,573]" pageId="14" pageNumber="477">The ventral surface could not be observed.</paragraph>
<paragraph id="8BCB36CB6D17FFFBF2B0FDE58BE9FD5D" blockId="14.[151,1437,151,896]" pageId="14" pageNumber="477">Mouth relatively large, 56 µm in diameter. Pharynx cylindrical, 2325 µm in length, and widens slightly towards the PhIJ at U23.</paragraph>
<paragraph id="8BCB36CB6D17FFFBF2B0FD2D8ECBFCA6" blockId="14.[151,1437,151,896]" pageId="14" pageNumber="477">
<emphasis id="B900EAD96D17FFFBF2B0FD2D8BFCFD71" bold="true" box="[199,446,655,680]" pageId="14" pageNumber="477">Taxonomic remarks.</emphasis>
<taxonomicName id="4C744D486D17FFFBF3B2FD3288CEFD71" box="[453,652,656,680]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="14" pageNumber="477" phylum="Gastrotricha" rank="species" species="furculatus" subGenus="Chaetonotus">
<emphasis id="B900EAD96D17FFFBF3B2FD3288CEFD71" box="[453,652,656,680]" italics="true" pageId="14" pageNumber="477">C. (C.) furculatus</emphasis>
</taxonomicName>
can be differentiated from many species within the
<emphasis id="B900EAD96D17FFFBF6ADFD328FDEFD71" box="[1242,1436,656,680]" italics="true" pageId="14" pageNumber="477">
C. (
<taxonomicName id="4C744D486D17FFFBF773FD328FD1FD71" box="[1284,1427,656,680]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="14" pageNumber="477" phylum="Gastrotricha" rank="genus">Chaetonotus</taxonomicName>
)
</emphasis>
complex based on its three-lobed head with only one pair of sensory ciliary tufts. It can be separated by the nature of its furca and the scales from the similar
<taxonomicName id="4C744D486D17FFFBF0FFFD7A8E1BFD29" authority="Stokes, 1887" authorityName="Stokes" authorityYear="1887" box="[648,1113,727,752]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="14" pageNumber="477" phylum="Gastrotricha" rank="species" species="formosus" subGenus="Chaetonotus">
<emphasis id="B900EAD96D17FFFBF0FFFD7A89F9FD29" box="[648,955,728,752]" italics="true" pageId="14" pageNumber="477">Chaetonotus (C.) formosus</emphasis>
Stokes, 1887
</taxonomicName>
.
<taxonomicName id="4C744D486D17FFFBF611FD7A8B06FCCD" authority="Schwank, 1990" authorityName="Schwank" authorityYear="1990" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="14" pageNumber="477" phylum="Gastrotricha" rank="species" species="africanus" subGenus="Chaetonotus">
<emphasis id="B900EAD96D17FFFBF611FD7A8FDEFD29" box="[1126,1436,728,752]" italics="true" pageId="14" pageNumber="477">Chaetonotus (C.) africanus</emphasis>
<bibRefCitation id="EFE54B3A6D17FFFBF2E0FD5E8B06FCCD" author="Schwank" box="[151,324,764,789]" pageId="14" pageNumber="477" refString="Schwank, P. (1990) Gastrotricha. In: Schwoerbel, J. &amp; 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>
</taxonomicName>
bears spines that are much longer than the furcal branches. The head of
<taxonomicName id="4C744D486D17FFFBF60EFD5E8FDEFCCD" box="[1145,1436,764,788]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="14" pageNumber="477" phylum="Gastrotricha" rank="species" species="greuteri" subGenus="Chaetonotus">
<emphasis id="B900EAD96D17FFFBF60EFD5E8FDEFCCD" box="[1145,1436,764,788]" italics="true" pageId="14" pageNumber="477">Chaetonotus (C.) greuteri</emphasis>
</taxonomicName>
is wider than its trunk and additionally the spines increase significantly in length from 7 µm on the head to 1719 µm in the posterior trunk region; in
<taxonomicName id="4C744D486D17FFFBF042FCE688BFFC85" box="[565,765,836,860]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="14" pageNumber="477" phylum="Gastrotricha" rank="species" species="furculatus" subGenus="Chaetonotus">
<emphasis id="B900EAD96D17FFFBF042FCE688BFFC85" box="[565,765,836,860]" italics="true" pageId="14" pageNumber="477">C. (C.) furculatus</emphasis>
</taxonomicName>
the spines are up to 5 µm only.
<taxonomicName id="4C744D486D17FFFBF605FCE68B06FC59" authority="Schwank, 1990" authorityName="Schwank" authorityYear="1990" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="14" pageNumber="477" phylum="Gastrotricha" rank="species" species="corderoi" subGenus="Chaetonotus">
<emphasis id="B900EAD96D17FFFBF605FCE68FD9FC85" box="[1138,1435,836,860]" italics="true" pageId="14" pageNumber="477">Chaetonotus (C.) corderoi</emphasis>
<bibRefCitation id="EFE54B3A6D17FFFBF2E0FCC58B06FC59" author="Schwank" box="[151,324,871,896]" pageId="14" pageNumber="477" refString="Schwank, P. (1990) Gastrotricha. In: Schwoerbel, J. &amp; 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>
</taxonomicName>
has a broad, rounded head and much longer spines than
<taxonomicName id="4C744D486D17FFFBF1C9FCCA8EC0FC59" box="[958,1154,872,896]" family="Chaetonotidae" genus="Chaetonotus" kingdom="Animalia" order="Chaetonotida" pageId="14" pageNumber="477" phylum="Gastrotricha" rank="species" species="furculatus" subGenus="Chaetonotus">
<emphasis id="B900EAD96D17FFFBF1C9FCCA8EC0FC59" box="[958,1154,872,896]" italics="true" pageId="14" pageNumber="477">C. (C.) furculatus</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
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