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<mods:title id="19A6F5B0CE6DD27FA80402F0CB8AF201">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="03DD87DD6D1AFFF0F2E0FAF78E1CFD29" ID-DOI="http://doi.org/10.5281/zenodo.6135547" ID-GBIF-Taxon="119430601" ID-Zenodo-Dep="6135547" LSID="urn:lsid:plazi:treatment:03DD87DD6D1AFFF0F2E0FAF78E1CFD29" httpUri="http://treatment.plazi.org/id/03DD87DD6D1AFFF0F2E0FAF78E1CFD29" lastPageId="5" lastPageNumber="468" pageId="3" pageNumber="466">
<subSubSection id="C36E65406D1AFFF6F2E0FAF788F5FA0F" pageId="3" pageNumber="466" type="nomenclature">
<paragraph id="8BCB36CB6D1AFFF6F2E0FAF7880BFAA9" blockId="3.[151,585,1365,1425]" box="[151,585,1365,1392]" pageId="3" pageNumber="466">
<heading id="D08381A76D1AFFF6F2E0FAF7880BFAA9" bold="true" box="[151,585,1365,1392]" fontSize="11" level="1" pageId="3" pageNumber="466" reason="1">
<taxonomicName id="4C744D486D1AFFF6F2E0FAF7880BFAA9" ID-CoL="4X3DV" authority="Schwank, 1990" authorityName="Schwank" authorityYear="1990" box="[151,585,1365,1392]" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="3" pageNumber="466" phylum="Gastrotricha" rank="species" species="lemnicola">
<emphasis id="B900EAD96D1AFFF6F2E0FAF7880BFAA9" bold="true" box="[151,585,1365,1392]" pageId="3" pageNumber="466">
<emphasis id="B900EAD96D1AFFF6F2E0FAF78B36FAB6" bold="true" box="[151,372,1365,1391]" italics="true" pageId="3" pageNumber="466">Setopus lemnicola</emphasis>
(
<bibRefCitation id="EFE54B3A6D1AFFF6F3F5FAF48803FAA9" author="Schwank" box="[386,577,1366,1392]" pageId="3" pageNumber="466" 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>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BCB36CB6D1AFFF6F2E0FADA8AA9FA48" blockId="3.[151,585,1365,1425]" box="[151,235,1400,1425]" pageId="3" pageNumber="466">
(
<figureCitation id="134F2A4E6D1AFFF6F2E8FADA8AA0FA48" box="[159,226,1400,1425]" captionStart="FIGURE 3" captionStartId="4.[151,250,2001,2023]" captionTargetBox="[413,1173,190,1953]" captionTargetId="figure@4.[395,1191,169,1979]" captionTargetPageId="4" captionText="FIGURE 3. Schematic drawing of Setopus lemnicola. A) Dorsal view. B) Distal end of a macrospine." httpUri="https://zenodo.org/record/230704/files/figure.png" pageId="3" pageNumber="466">Fig. 3</figureCitation>
)
</paragraph>
<paragraph id="8BCB36CB6D1AFFF6F2E0FA6288F5FA0F" blockId="3.[151,695,1472,1494]" box="[151,695,1472,1494]" pageId="3" pageNumber="466">
Syn:
<taxonomicName id="4C744D486D1AFFF6F2BBFA6288F5FA0F" authority="Schwank, 1990" authorityName="Schwank" authorityYear="1990" box="[204,695,1472,1494]" family="Dasydytidae" genus="Dasydytes" kingdom="Animalia" order="Chaetonotida" pageId="3" pageNumber="466" phylum="Gastrotricha" rank="species" species="lemnicola" subGenus="Setodytes">
<emphasis id="B900EAD96D1AFFF6F2BBFA628857FA0F" box="[204,533,1472,1494]" italics="true" pageId="3" pageNumber="466">Dasydytes (Setodytes) lemnicola</emphasis>
<bibRefCitation id="EFE54B3A6D1AFFF6F06CFA6288F5FA0F" author="Schwank" box="[539,695,1472,1494]" pageId="3" pageNumber="466" 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>
</paragraph>
</subSubSection>
<subSubSection id="C36E65406D1AFFF6F2E0F9A18973F95E" pageId="3" pageNumber="466" type="materials_examined">
<paragraph id="8BCB36CB6D1AFFF6F2E0F9A18E26F9C5" blockId="3.[151,1436,1539,2032]" box="[151,1124,1539,1564]" pageId="3" pageNumber="466">
<emphasis id="B900EAD96D1AFFF6F2E0F9A18B77F9C5" bold="true" box="[151,309,1539,1564]" pageId="3" pageNumber="466">
<typeStatus id="54CF88696D1AFFF6F2E0F9A18A90F9C5" box="[151,210,1539,1564]" pageId="3" pageNumber="466">Type</typeStatus>
locality.
</emphasis>
Among
<taxonomicName id="4C744D486D1AFFF6F3E0F9A68BA1F9C2" box="[407,483,1540,1563]" class="Liliopsida" family="Araceae" genus="Lemna" kingdom="Plantae" order="Alismatales" pageId="3" pageNumber="466" phylum="Tracheophyta" rank="genus">
<emphasis id="B900EAD96D1AFFF6F3E0F9A68BA1F9C2" box="[407,483,1540,1563]" italics="true" pageId="3" pageNumber="466">Lemna</emphasis>
</taxonomicName>
spp. and
<taxonomicName id="4C744D486D1AFFF6F039F9A188DCF9C2" box="[590,670,1539,1563]" class="Liliopsida" family="Araceae" genus="Wolffia" kingdom="Plantae" order="Alismatales" pageId="3" pageNumber="466" phylum="Tracheophyta" rank="genus">
<emphasis id="B900EAD96D1AFFF6F039F9A188DCF9C2" box="[590,670,1539,1563]" italics="true" pageId="3" pageNumber="466">Wolffia</emphasis>
</taxonomicName>
spp., Puslinch district, Ontario,
<collectingCountry id="F363765B6D1AFFF6F67FF9A18E22F9C5" box="[1032,1120,1539,1564]" name="Canada" pageId="3" pageNumber="466">Canada</collectingCountry>
.
</paragraph>
<paragraph id="8BCB36CB6D1AFFF6F2B0F985887BF9BD" blockId="3.[151,1436,1539,2032]" pageId="3" pageNumber="466">
<emphasis id="B900EAD96D1AFFF6F2B0F9858B37F999" bold="true" box="[199,373,1575,1600]" pageId="3" pageNumber="466">
<typeStatus id="54CF88696D1AFFF6F2B0F9858B40F999" box="[199,258,1575,1600]" pageId="3" pageNumber="466">Type</typeStatus>
material.
</emphasis>
Drawing of one specimen.
<typeStatus id="54CF88696D1AFFF6F0DDF98A895FF999" box="[682,797,1576,1600]" pageId="3" pageNumber="466" type="lectotype">Lectotype</typeStatus>
,
<collectionCode id="ED65AE0E6D1AFFF6F15FF985893BF9E6" box="[808,889,1575,1599]" httpUri="http://grbio.org/cool/8z6v-f8is" name="Saskatchewan Museum of Natural History" pageId="3" pageNumber="466">SMNH</collectionCode>
Type-8549 deposited at the Swedish Museum of Natural History, Stockholm,
<collectingCountry id="F363765B6D1AFFF6F3AEF9E98874F9BD" box="[473,566,1611,1636]" name="Sweden" pageId="3" pageNumber="466">Sweden</collectingCountry>
.
</paragraph>
<paragraph id="8BCB36CB6D1AFFF6F2B0F9CD8973F95E" blockId="3.[151,1436,1539,2032]" box="[199,817,1647,1672]" pageId="3" pageNumber="466">
<emphasis id="B900EAD96D1AFFF6F2B0F9CD8BC3F951" bold="true" box="[199,385,1647,1672]" pageId="3" pageNumber="466">Other material.</emphasis>
<specimenCount id="9D72FD426D1AFFF6F3FFF9CD8850F951" box="[392,530,1647,1672]" pageId="3" pageNumber="466" type="generic">3 specimens</specimenCount>
that are no longer extant.
</paragraph>
</subSubSection>
<subSubSection id="C36E65406D1AFFF6F2B0F9318ED1F972" box="[199,1171,1683,1708]" pageId="3" pageNumber="466" type="etymology">
<paragraph id="8BCB36CB6D1AFFF6F2B0F9318ED1F972" blockId="3.[151,1436,1539,2032]" box="[199,1171,1683,1708]" pageId="3" pageNumber="466">
<emphasis id="B900EAD96D1AFFF6F2B0F9318B0CF975" bold="true" box="[199,334,1683,1708]" pageId="3" pageNumber="466">Etymology.</emphasis>
The species name is derived from the preferred habitat among
<taxonomicName id="4C744D486D1AFFF6F665F9368E1CF972" box="[1042,1118,1684,1707]" class="Liliopsida" family="Araceae" genus="Lemna" kingdom="Plantae" order="Alismatales" pageId="3" pageNumber="466" phylum="Tracheophyta" rank="genus">
<emphasis id="B900EAD96D1AFFF6F665F9368E1CF972" box="[1042,1118,1684,1707]" italics="true" pageId="3" pageNumber="466">Lemna</emphasis>
</taxonomicName>
spp.
</paragraph>
</subSubSection>
<subSubSection id="C36E65406D1AFFF6F2B0F9158EF3F8E5" pageId="3" pageNumber="466" type="diagnosis">
<paragraph id="8BCB36CB6D1AFFF6F2B0F9158EF3F8E5" blockId="3.[151,1436,1539,2032]" pageId="3" pageNumber="466">
<emphasis id="B900EAD96D1AFFF6F2B0F9158B03F909" bold="true" box="[199,321,1719,1744]" pageId="3" pageNumber="466">Diagnosis.</emphasis>
Small frail species, 110115 µm in total body length. Strong neck constriction. Cephalion reduced and totally grown together with the cuticle. Cilia on head arranged in 6 semicircular bands. Caudal end with two lobes, sometimes squared or angular. Two short very fine spines situated on the inside of each lobe. Two pairs of posterior dentate spines of unequal length and 5 pairs of lateral dentate spines in trunk region.
</paragraph>
</subSubSection>
<subSubSection id="C36E65406D1AFFF0F2B0F8E58E1CFD29" lastPageId="5" lastPageNumber="468" pageId="3" pageNumber="466" type="description">
<paragraph id="8BCB36CB6D1AFFF6F2B0F8E5881DF829" blockId="3.[151,1436,1539,2032]" pageId="3" pageNumber="466">
<emphasis id="B900EAD96D1AFFF6F2B0F8E58B1BF8B9" bold="true" box="[199,345,1863,1888]" pageId="3" pageNumber="466">Description.</emphasis>
Small, very frail animals that gently float through the
<taxonomicName id="4C744D486D1AFFF6F19EF8EA8E77F886" box="[1001,1077,1864,1887]" class="Liliopsida" family="Araceae" genus="Lemna" kingdom="Plantae" order="Alismatales" pageId="3" pageNumber="466" phylum="Tracheophyta" rank="genus">
<emphasis id="B900EAD96D1AFFF6F19EF8EA8E77F886" box="[1001,1077,1864,1887]" italics="true" pageId="3" pageNumber="466">Lemna</emphasis>
</taxonomicName>
spp. plantlets. Body tripartite, 110115 µm in total body length, with a strong neck constriction. The cephalion is rounded, 7 µm in diameter, strongly reduced or almost lacking and totally grown together with the cuticle. The cilia on the head are arranged in 6 semicircular bands. One pair of dorsal sensory bristles situated in posterior trunk region at U90. Cuticle and ventral interciliary area devoid of scales.
</paragraph>
<caption id="DF0B66436D1DFFF1F2E0F8738EE2F83E" box="[151,1184,2001,2023]" httpUri="https://zenodo.org/record/230704/files/figure.png" pageId="4" pageNumber="467" targetBox="[413,1173,190,1953]" targetPageId="4">
<paragraph id="8BCB36CB6D1DFFF1F2E0F8738EE2F83E" blockId="4.[151,1184,2001,2023]" box="[151,1184,2001,2023]" pageId="4" pageNumber="467">
<emphasis id="B900EAD96D1DFFF1F2E0F8738B50F83F" bold="true" box="[151,274,2001,2023]" pageId="4" pageNumber="467">FIGURE 3.</emphasis>
Schematic drawing of
<taxonomicName id="4C744D486D1DFFF1F38AF87088F4F83E" box="[509,694,2001,2023]" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="4" pageNumber="467" phylum="Gastrotricha" rank="species" species="lemnicola">
<emphasis id="B900EAD96D1DFFF1F38AF87088F4F83E" box="[509,694,2001,2023]" italics="true" pageId="4" pageNumber="467">Setopus lemnicola</emphasis>
</taxonomicName>
. A) Dorsal view. B) Distal end of a macrospine.
</paragraph>
</caption>
<paragraph id="8BCB36CB6D1CFFF0F2B0FF358F17FE51" blockId="5.[151,1437,151,752]" pageId="5" pageNumber="468">Body width 30 µm at the head (U18), 1819 µm at the neck (U28) and 3740 µm at the trunk (U57). The caudal end is divided into two lobes, which can sometimes be almost squared or angular. Two very short fine spines are situated on the inner side of each caudal lobe. There are also two outer dentate spines of unequal length. The longer one, situated on the left side, measures 4849 µm while the shorter one measures approximately 10 µm. Cuticle apparently naked except for 5 pairs of long, strongly curved, dentate spines that are situated laterally on each side of the trunk region, starting from the neck and ending approximately 20 µm from the posterior end. Their length decreases from 6065 µm at the neck and 40 µm in the middle of the trunk to 25 µm at the trunk end.</paragraph>
<paragraph id="8BCB36CB6D1CFFF0F2B0FE368B46FE09" blockId="5.[151,1437,151,752]" pageId="5" pageNumber="468">The ventral interciliary area is naked. The exact number of ventral locomotory ciliary tufts could not be observed.</paragraph>
<paragraph id="8BCB36CB6D1CFFF0F2B0FE7E8950FDC1" blockId="5.[151,1437,151,752]" pageId="5" pageNumber="468">Mouth terminal, 45 µm in diameter. Pharynx cylindrical, 30 µm in length and increased slightly in width towards the pharyngeal intestinal junction (PhIJ) at U34.</paragraph>
<paragraph id="8BCB36CB6D1CFFF0F2B0FD868E1CFD29" blockId="5.[151,1437,151,752]" pageId="5" pageNumber="468">
<emphasis id="B900EAD96D1CFFF0F2B0FD868B82FDE4" bold="true" box="[199,448,548,573]" pageId="5" pageNumber="468">Taxonomic remarks.</emphasis>
<taxonomicName id="4C744D486D1CFFF0F3BEFD868814FDE5" box="[457,598,548,572]" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="5" pageNumber="468" phylum="Gastrotricha" rank="species" species="lemnicola">
<emphasis id="B900EAD96D1CFFF0F3BEFD868814FDE5" box="[457,598,548,572]" italics="true" pageId="5" pageNumber="468">S. lemnicola</emphasis>
</taxonomicName>
can be separated from the species within the genus that possess equally long posterior spines, e.g.
<taxonomicName id="4C744D486D1CFFF0F3B9FDEA89C3FDB9" authority="Visvesvara, 1964" authorityName="Visvesvara" authorityYear="1964" box="[462,897,583,608]" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="5" pageNumber="468" phylum="Gastrotricha" rank="species" species="abarbitus">
<emphasis id="B900EAD96D1CFFF0F3B9FDEA88D9FDB9" box="[462,667,584,608]" italics="true" pageId="5" pageNumber="468">Setopus abarbitus</emphasis>
(
<bibRefCitation id="EFE54B3A6D1CFFF0F0D8FDE5893BFDB9" author="Visvesvara" box="[687,889,583,608]" pageId="5" pageNumber="468" refString="Visvesvara, G. (1964) On some Gastrotricha from India, with description of two new species. Annals and Magazine of Natural History, 6, 435 - 443. [1963]" type="journal article" year="1964">Visvesvara, 1964</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="4C744D486D1CFFF0F1E6FDEA8F7BFDB9" authority="Thompson, 1891" authorityName="Thompson" authorityYear="1891" box="[913,1337,583,608]" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="5" pageNumber="468" phylum="Gastrotricha" rank="species" species="bisetosus">
<emphasis id="B900EAD96D1CFFF0F1E6FDEA8E18FDB9" box="[913,1114,584,608]" italics="true" pageId="5" pageNumber="468">Setopus bisetosus</emphasis>
(
<bibRefCitation id="EFE54B3A6D1CFFF0F61BFDE58F73FDB9" author="Thompson" box="[1132,1329,583,608]" pageId="5" pageNumber="468" refString="Thompson, P. G. (1891) A new species of Dasydytes, order Gastrotricha. Science Gossip, 319, 160 - 162" type="journal article" year="1891">Thompson, 1891</bibRefCitation>
)
</taxonomicName>
<taxonomicName id="4C744D486D1CFFF0F732FDEA8BC3FD5D" authority="Voigt, 1909" authorityName="Voigt" authorityYear="1909" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="5" pageNumber="468" phylum="Gastrotricha" rank="species" species="dubius">
<emphasis id="B900EAD96D1CFFF0F732FDEA8AA0FD5D" italics="true" pageId="5" pageNumber="468">Setopus dubius</emphasis>
(
<bibRefCitation id="EFE54B3A6D1CFFF0F287FDCE8B3BFD5D" author="Voigt" box="[240,377,620,645]" pageId="5" pageNumber="468" refString="Voigt, M. (1909). Nachtrag zur Gastrotrichen-fauna Plons. Zoologischer Anzeiger, 39, 717 - 722." type="journal article" year="1909">Voigt, 1909</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="4C744D486D1CFFF0F3FAFDCE88A0FD5D" authority="Greuter, 1917" authorityName="Greuter" authorityYear="1917" box="[397,738,620,644]" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="5" pageNumber="468" phylum="Gastrotricha" rank="species" species="iunctus">
<emphasis id="B900EAD96D1CFFF0F3FAFDCE887FFD5D" box="[397,573,620,644]" italics="true" pageId="5" pageNumber="468">Setopus iunctus</emphasis>
<bibRefCitation id="EFE54B3A6D1CFFF0F032FDCE88A0FD5D" author="Greuter" box="[581,738,620,644]" pageId="5" pageNumber="468" refString="Greuter, A. (1917) Beitrage zur Systematik der Gastrotrichen in der Schweiz. Revue Suisse de Zoologie, 25, 35 - 76." type="journal article" year="1917">Greuter, 1917</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C744D486D1CFFF0F099FDCE8E1BFD5D" authority="Grunspan, 1908" authorityName="Grunspan" authorityYear="1908" box="[750,1113,620,644]" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="5" pageNumber="468" phylum="Gastrotricha" rank="species" species="primus">
<emphasis id="B900EAD96D1CFFF0F099FDCE89D9FD5D" box="[750,923,620,644]" italics="true" pageId="5" pageNumber="468">Setopus primus</emphasis>
<bibRefCitation id="EFE54B3A6D1CFFF0F1D4FDCE8E1BFD5D" author="Grunspan" box="[931,1113,620,644]" pageId="5" pageNumber="468" refString="Grunspan, T. (1908) Beitrage zur Systematik der Gastrotrichen. Zoologische Jahrbucher Abteilung fur Systematik Oekologie und Geographie der Tiere, 26, 214 - 256." type="journal article" year="1908">Grünspan, 1908</bibRefCitation>
</taxonomicName>
. The remaining species with unequal posterior spines are
<taxonomicName id="4C744D486D1CFFF0F39DFD3289FDFD71" authority="Kisielewski, 1991" authorityName="Kisielewski" authorityYear="1991" box="[490,959,655,680]" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="5" pageNumber="468" phylum="Gastrotricha" rank="species" species="aequatorialis">
<emphasis id="B900EAD96D1CFFF0F39DFD3288A0FD71" box="[490,738,656,680]" italics="true" pageId="5" pageNumber="468">Setopus aequatorialis</emphasis>
<bibRefCitation id="EFE54B3A6D1CFFF0F099FD2D89FDFD71" author="Kisielewski" box="[750,959,655,680]" pageId="5" pageNumber="468" refString="Kisielewski, J. (1991) Inland-water Gastrotricha from Brazil. Annales Zoologici Warszawa, Supplement 2, 43, 1 - 168." type="journal article" year="1991">Kisielewski, 1991</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C744D486D1CFFF0F1A7FD328F25FD71" authority="Schwank, 1990" authorityName="Schwank" authorityYear="1990" box="[976,1383,655,680]" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="5" pageNumber="468" phylum="Gastrotricha" rank="species" species="chatticus">
<emphasis id="B900EAD96D1CFFF0F1A7FD328EDAFD71" box="[976,1176,656,680]" italics="true" pageId="5" pageNumber="468">Setopus chatticus</emphasis>
(
<bibRefCitation id="EFE54B3A6D1CFFF0F6DCFD2D8F1DFD71" author="Schwank" box="[1195,1375,655,680]" pageId="5" pageNumber="468" 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>
and
<taxonomicName id="4C744D486D1CFFF0F2E0FD168869FD15" authority="Balsamo, 1983" authorityName="Balsamo" authorityYear="1983" box="[151,555,692,717]" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="5" pageNumber="468" phylum="Gastrotricha" rank="species" species="tongiorgii">
<emphasis id="B900EAD96D1CFFF0F2E0FD168B27FD15" box="[151,357,692,716]" italics="true" pageId="5" pageNumber="468">Setopus tongiorgii</emphasis>
(
<bibRefCitation id="EFE54B3A6D1CFFF0F303FD168860FD15" author="Balsamo" box="[372,546,692,717]" pageId="5" pageNumber="468" refString="Balsamo, M. (1983) Three new gastrotrichs from a Tuscan-Emilian Apennine lake. Bollettino di Zoologia, 49, 287 - 295. [1982] http: // dx. doi. org / 10.1080 / 11250008209439402" type="journal article" year="1983">Balsamo, 1983</bibRefCitation>
)
</taxonomicName>
. All three species can be differentiated from
<taxonomicName id="4C744D486D1CFFF0F650FD168EF1FD15" box="[1063,1203,692,716]" family="Dasydytidae" genus="Setopus" kingdom="Animalia" order="Chaetonotida" pageId="5" pageNumber="468" phylum="Gastrotricha" rank="species" species="lemnicola">
<emphasis id="B900EAD96D1CFFF0F650FD168EF1FD15" box="[1063,1203,692,716]" italics="true" pageId="5" pageNumber="468">S. lemnicola</emphasis>
</taxonomicName>
because they have a cuticle more or less covered by scales and a higher number of usually different spines.
</paragraph>
</subSubSection>
</treatment>
</document>