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<document id="A206D66125348EABCD8BCB1DA0639A81" ID-DOI="10.5281/zenodo.183373" ID-GBIF-Dataset="0d7eca74-c851-4e3a-9503-9c3909a8ccc8" ID-ISSN="1175-5326" ID-Zenodo-Dep="183373" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459904382763" checkinUser="plazi" docAuthor="Artois, Tom J. &amp; Tessens, Bart S." docDate="2008" docId="03C687D8FFA7FF5BFF69E60AFD1E0D9B" docLanguage="en" docName="zt01849p027.pdf" docOrigin="Zootaxa 1849" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Austrorhynchus kerguelensis Artois &amp; Tessens, 2008, n. sp." docType="treatment" docVersion="9" lastPageNumber="6" masterDocId="FFFFFFA0FFA3FF5EFFFEE43FFF870F79" masterDocTitle="Polycystididae (Rhabditophora: Rhabdocoela: Kalyptorhynchia) from the Indian Ocean, with the description of twelve new species" masterLastPageNumber="27" masterPageNumber="1" pageNumber="5" updateTime="1698228922093" updateUser="plazi">
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<mods:title id="39F5B7B72DFDD5B7F763A2492A1713D7">Polycystididae (Rhabditophora: Rhabdocoela: Kalyptorhynchia) from the Indian Ocean, with the description of twelve new species</mods:title>
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<mods:namePart id="A29D4197F8237C14E7EC062D2706DEF1">Artois, Tom J.</mods:namePart>
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<mods:namePart id="7FACF2D088BBB8E55AFABD6CA1CFC059">Tessens, Bart S.</mods:namePart>
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<mods:date id="BF18A99AB78C1D93C84BEDA0D9D0E7BE">2008</mods:date>
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<treatment id="03C687D8FFA7FF5BFF69E60AFD1E0D9B" ID-DOI="http://doi.org/10.5281/zenodo.6229697" ID-GBIF-Taxon="119373278" ID-Zenodo-Dep="6229697" LSID="urn:lsid:plazi:treatment:03C687D8FFA7FF5BFF69E60AFD1E0D9B" httpUri="http://treatment.plazi.org/id/03C687D8FFA7FF5BFF69E60AFD1E0D9B" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
<subSubSection id="C3756545FFA7FF5AFF69E60AFF680D0B" pageId="4" pageNumber="5" type="nomenclature">
<paragraph id="8BD036CEFFA7FF5AFF69E60AFDC40D36" blockId="4.[151,579,565,626]" box="[151,579,565,591]" pageId="4" pageNumber="5">
<heading id="D09881A2FFA7FF5AFF69E60AFDC40D36" bold="true" box="[151,579,565,591]" fontSize="11" level="1" pageId="4" pageNumber="5" reason="1">
<emphasis id="B91BEADCFFA7FF5AFF69E60AFDC40D36" bold="true" box="[151,579,565,591]" pageId="4" pageNumber="5">
<taxonomicName id="4C6F4D4DFFA7FF5AFF69E60AFE7E0D36" ID-CoL="JXZS" box="[151,505,565,591]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="kerguelensis" status="sp. nov.">
<emphasis id="B91BEADCFFA7FF5AFF69E60AFE7E0D36" bold="true" box="[151,505,565,591]" italics="true" pageId="4" pageNumber="5">Austrorhynchus kerguelensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22857A7FFA7FF5AFDFEE60AFDC40D36" box="[512,579,565,591]" pageId="4" pageNumber="5" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BD036CEFFA7FF5AFF69E667FF680D0B" blockId="4.[151,579,565,626]" box="[151,239,600,626]" pageId="4" pageNumber="5">
(
<figureCitation id="13542A4BFFA7FF5AFF61E667FF640D0B" box="[159,227,600,626]" captionStart="FIGURE 1" captionStartId="4.[151,255,1969,1993]" captionTargetBox="[498,1082,1335,1929]" captionTargetId="figure@4.[498,1088,1325,1935]" captionTargetPageId="4" captionText="FIGURE 1. Austrorhynchus kerguelensis n. sp. A, Prostate stylet type II (from the holotype). B, Prostate stylet type III (from the holotype)." httpUri="https://zenodo.org/record/183374/files/figure.png" pageId="4" pageNumber="5">Fig. 1</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C3756545FFA7FF5AFF69E698FDFE0D93" pageId="4" pageNumber="5" type="description">
<paragraph id="8BD036CEFFA7FF5AFF69E698FDFE0D93" blockId="4.[151,1436,679,1266]" pageId="4" pageNumber="5">
<emphasis id="B91BEADCFFA7FF5AFF69E698FD890DB8" bold="true" box="[151,526,679,705]" pageId="4" pageNumber="5">Localities in the Indian Ocean</emphasis>
. Port Couvreux (Kerguelen) on filiform green algae from the mid eulittoral in a small inlet (
<date id="FFD1100EFFA7FF5AFEC8E6EFFE3A0D93" box="[310,445,720,746]" pageId="4" pageNumber="5" value="1992-11-25">25/11/1992</date>
) (
<typeStatus id="54D4886CFFA7FF5AFE2AE6EFFD8F0D93" box="[468,520,720,746]" pageId="4" pageNumber="5">type</typeStatus>
locality).
</paragraph>
</subSubSection>
<subSubSection id="C3756545FFA7FF5AFF3BE6C8FABD0C6B" box="[197,1338,759,786]" pageId="4" pageNumber="5" type="materials_examined">
<paragraph id="8BD036CEFFA7FF5AFF3BE6C8FABD0C6B" blockId="4.[151,1436,679,1266]" box="[197,1338,759,786]" pageId="4" pageNumber="5">
<emphasis id="B91BEADCFFA7FF5AFF3BE6C8FEB50C68" bold="true" box="[197,306,759,785]" pageId="4" pageNumber="5">Material</emphasis>
. One animal studied alive and whole mounted, designated
<typeStatus id="54D4886CFFA7FF5AFC19E6C7FBC90C6B" box="[999,1102,760,786]" pageId="4" pageNumber="5" type="holotype">holotype</typeStatus>
(
<collectionCode id="ED7EAE0BFFA7FF5AFBA3E6C7FB310C6B" box="[1117,1206,760,786]" httpUri="http://grbio.org/cool/8z6v-f8is" name="Saskatchewan Museum of Natural History" pageId="4" pageNumber="5">SMNH</collectionCode>
, no. 7442).
</paragraph>
</subSubSection>
<subSubSection id="C3756545FFA7FF5AFF3BE720FC750C43" box="[197,1010,799,826]" pageId="4" pageNumber="5" type="etymology">
<paragraph id="8BD036CEFFA7FF5AFF3BE720FC750C43" blockId="4.[151,1436,679,1266]" box="[197,1010,799,826]" pageId="4" pageNumber="5">
<emphasis id="B91BEADCFFA7FF5AFF3BE720FECD0C40" bold="true" box="[197,330,799,825]" pageId="4" pageNumber="5">Etymology</emphasis>
. Named after the islands where it was found (Kerguelen).
</paragraph>
</subSubSection>
<subSubSection id="C3756545FFA7FF5AFF3BE778FDEF0B8B" pageId="4" pageNumber="5" type="description">
<paragraph id="8BD036CEFFA7FF5AFF3BE778FF5E0CCB" blockId="4.[151,1436,679,1266]" pageId="4" pageNumber="5">
<emphasis id="B91BEADCFFA7FF5AFF3BE778FED20C18" bold="true" box="[197,341,839,865]" pageId="4" pageNumber="5">Description</emphasis>
. The animals are
<quantity id="4C979B2BFFA7FF5AFDD8E777FD070C1B" box="[550,640,840,866]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="4" pageNumber="5" unit="mm" value="0.6">0,6 mm</quantity>
long (measured on the whole mount) and colourless, with two eyes. The internal organisation as seen on the living animal is identical to that of
<taxonomicName id="4C6F4D4DFFA7FF5AFBECE74FFF520CCB" authority="Karling, 1952" authorityName="Karling" authorityYear="1952" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="pectatus">
<emphasis id="B91BEADCFFA7FF5AFBECE74FFAB30CF0" box="[1042,1332,880,905]" italics="true" pageId="4" pageNumber="5">Austrorhynchus pectatus</emphasis>
<bibRefCitation id="EFFE4B3FFFA7FF5AFAC5E74FFF520CCB" author="Karling" pageId="4" pageNumber="25" refString="Karling, T. G. (1952) Kalyptorhynchia (Turbellaria). Further Zoological Results of the Swedish Antarctic Expedition 1901 - 1903, 4, 1 - 50." type="journal article" year="1952">Karling, 1952</bibRefCitation>
</taxonomicName>
.
</paragraph>
<paragraph id="8BD036CEFFA7FF5AFF38E7FFFDEF0B8B" blockId="4.[151,1436,679,1266]" pageId="4" pageNumber="5">
The prostate stylet
<typeStatus id="54D4886CFFA7FF5AFE57E7FFFE5C0CA3" box="[425,475,960,986]" pageId="4" pageNumber="5">type</typeStatus>
II (
<figureCitation id="13542A4BFFA7FF5AFDF7E7FFFDCC0CA3" box="[521,587,960,986]" captionStart="FIGURE 1" captionStartId="4.[151,255,1969,1993]" captionTargetBox="[498,1082,1335,1929]" captionTargetId="figure@4.[498,1088,1325,1935]" captionTargetPageId="4" captionText="FIGURE 1. Austrorhynchus kerguelensis n. sp. A, Prostate stylet type II (from the holotype). B, Prostate stylet type III (from the holotype)." httpUri="https://zenodo.org/record/183374/files/figure.png" pageId="4" pageNumber="5">Fig. 1</figureCitation>
A) is double-walled, with the inner stylet restricted to the tubiform part of the outer stylet. The tube is slightly curved and is more or less of the same length as the funnel. The stylet is 61 µm long. At the transition between tube and funnel, a 19 µm-long hook is connected to the outer stylet. The prostate stylet
<typeStatus id="54D4886CFFA7FF5AFEB8E007FEFF0B2B" box="[326,376,1080,1106]" pageId="4" pageNumber="5">type</typeStatus>
III (
<figureCitation id="13542A4BFFA7FF5AFE4CE007FE710B2B" box="[434,502,1080,1106]" captionStart="FIGURE 1" captionStartId="4.[151,255,1969,1993]" captionTargetBox="[498,1082,1335,1929]" captionTargetId="figure@4.[498,1088,1325,1935]" captionTargetPageId="4" captionText="FIGURE 1. Austrorhynchus kerguelensis n. sp. A, Prostate stylet type II (from the holotype). B, Prostate stylet type III (from the holotype)." httpUri="https://zenodo.org/record/183374/files/figure.png" pageId="4" pageNumber="5">Fig. 1</figureCitation>
B) has a pronounced style and foot (terminology of Karling 1977), which are connected to each other by a narrow clasp, and a transverse comb, with a concave edge with relatively large teeth. The rather short flagellum has teeth along one side over the whole of its length, except for its most distal tip. Measured axially from the proximal end of the foot to the distal end of the flagellum, the stylet is 108 µm long. The plate is 60 µm at its broadest.
</paragraph>
</subSubSection>
<caption id="DF106646FFA7FF5AFF69E38EFEE80892" httpUri="https://zenodo.org/record/183374/files/figure.png" pageId="4" pageNumber="5" targetBox="[498,1082,1335,1929]" targetPageId="4">
<paragraph id="8BD036CEFFA7FF5AFF69E38EFEE80892" blockId="4.[151,1435,1969,2027]" pageId="4" pageNumber="5">
<emphasis id="B91BEADCFFA7FF5AFF69E38EFE9D08B0" bold="true" box="[151,282,1969,1993]" pageId="4" pageNumber="5">FIGURE 1.</emphasis>
<taxonomicName id="4C6F4D4DFFA7FF5AFEDFE38DFDD308B0" box="[289,596,1970,1993]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="kerguelensis" status="sp. nov.">
<emphasis id="B91BEADCFFA7FF5AFEDFE38DFDD308B0" box="[289,596,1970,1993]" italics="true" pageId="4" pageNumber="5">Austrorhynchus kerguelensis</emphasis>
</taxonomicName>
<emphasis id="B91BEADCFFA7FF5AFDA2E38EFD1F08B0" bold="true" box="[604,664,1969,1993]" pageId="4" pageNumber="5">
<taxonomicNameLabel id="A22857A7FFA7FF5AFDA2E38EFD1F08B0" box="[604,664,1969,1993]" pageId="4" pageNumber="5" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
A, Prostate stylet type II (from the holotype). B, Prostate stylet type III (from the holotype).
</paragraph>
</caption>
<subSubSection id="C3756545FFA6FF5BFF3BE4A8FCD00E2B" pageId="5" pageNumber="6" type="diagnosis">
<paragraph id="8BD036CEFFA6FF5BFF3BE4A8FCD00E2B" blockId="5.[151,1436,151,738]" pageId="5" pageNumber="6">
<emphasis id="B91BEADCFFA6FF5BFF3BE4A8FEBA0FC8" bold="true" box="[197,317,151,177]" pageId="5" pageNumber="6">Diagnosis</emphasis>
. Species of
<taxonomicName id="4C6F4D4DFFA6FF5BFE30E4A7FCB60FCB" authority="Karling, 1952" authorityName="Karling" authorityYear="1952" box="[462,817,152,178]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="genus">
<emphasis id="B91BEADCFFA6FF5BFE30E4A7FD010FC8" box="[462,646,152,177]" italics="true" pageId="5" pageNumber="6">Austrorhynchus</emphasis>
<bibRefCitation id="EFFE4B3FFFA6FF5BFD73E4A7FCB60FCB" author="Karling" box="[653,817,152,178]" pageId="5" pageNumber="25" refString="Karling, T. G. (1952) Kalyptorhynchia (Turbellaria). Further Zoological Results of the Swedish Antarctic Expedition 1901 - 1903, 4, 1 - 50." type="journal article" year="1952">Karling, 1952</bibRefCitation>
</taxonomicName>
with two eyes. Prostate stylet
<typeStatus id="54D4886CFFA6FF5BFB68E4A7FB4F0FCB" box="[1174,1224,152,178]" pageId="5" pageNumber="6">type</typeStatus>
II ca 61 µm long, slightly curved. With ca 19 µm long hook. Inner stylet restricted to the distal, tubiform part of the outer stylet. Prostate stylet
<typeStatus id="54D4886CFFA6FF5BFEBBE4D7FEF00E7B" box="[325,375,232,258]" pageId="5" pageNumber="6">type</typeStatus>
III ca 108 µm long, ca 60 µm broad at its broadest, with pronounced style and foot, connected to each other by a clasp and a broader transverse comb with a concave distal edge with coarse teeth. Flagellum of prostate stylet
<typeStatus id="54D4886CFFA6FF5BFE21E507FD960E2B" box="[479,529,312,338]" pageId="5" pageNumber="6">type</typeStatus>
III rather short, with comb.
</paragraph>
</subSubSection>
<subSubSection id="C3756545FFA6FF5BFF3BE560FD1E0D9B" pageId="5" pageNumber="6" type="discussion">
<paragraph id="8BD036CEFFA6FF5BFF3BE560FD1E0D9B" blockId="5.[151,1436,151,738]" pageId="5" pageNumber="6">
<emphasis id="B91BEADCFFA6FF5BFF3BE560FECE0E00" bold="true" box="[197,329,351,377]" pageId="5" pageNumber="6">Discussion</emphasis>
. Following Karlings (1977) division of the taxon
<taxonomicName id="4C6F4D4DFFA6FF5BFC67E55FFB7B0E03" authority="Karling, 1952" authorityName="Karling" authorityYear="1952" box="[921,1276,352,378]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="genus">
<emphasis id="B91BEADCFFA6FF5BFC67E55FFBD60E00" box="[921,1105,352,377]" italics="true" pageId="5" pageNumber="6">Austrorhynchus</emphasis>
<bibRefCitation id="EFFE4B3FFFA6FF5BFBA7E55FFB7B0E03" author="Karling" box="[1113,1276,352,378]" pageId="5" pageNumber="25" refString="Karling, T. G. (1952) Kalyptorhynchia (Turbellaria). Further Zoological Results of the Swedish Antarctic Expedition 1901 - 1903, 4, 1 - 50." type="journal article" year="1952">Karling, 1952</bibRefCitation>
</taxonomicName>
into morphological groups,
<taxonomicName id="4C6F4D4DFFA6FF5BFEB0E5B7FD870ED8" box="[334,512,392,417]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="kerguelensis">
<emphasis id="B91BEADCFFA6FF5BFEB0E5B7FD870ED8" box="[334,512,392,417]" italics="true" pageId="5" pageNumber="6">A. kerguelensis</emphasis>
</taxonomicName>
can clearly be placed in the
<taxonomicName id="4C6F4D4DFFA6FF5BFCAAE5B7FC310ED8" box="[852,950,392,417]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="pectatus">
<emphasis id="B91BEADCFFA6FF5BFCAAE5B7FC310ED8" box="[852,950,392,417]" italics="true" pageId="5" pageNumber="6">pectatus</emphasis>
</taxonomicName>
-group. Members of this group all have a prostate stylet
<typeStatus id="54D4886CFFA6FF5BFEBFE58FFEF40EB3" box="[321,371,432,458]" pageId="5" pageNumber="6">type</typeStatus>
III (the A-organ of Karling 1977) that has a well-differentiated plate with distinct style and foot and with a more or less transverse comb, probably all plesiomorphies (Karling 1977).
<taxonomicName id="4C6F4D4DFFA6FF5BFB33E5E7FA070E88" box="[1229,1408,472,497]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="kerguelensis">
<emphasis id="B91BEADCFFA6FF5BFB33E5E7FA070E88" box="[1229,1408,472,497]" italics="true" pageId="5" pageNumber="6">A. kerguelensis</emphasis>
</taxonomicName>
is almost unique within the group, as the combed edge of the plate is clearly concave, where in other species it is clearly convex. Only in
<taxonomicName id="4C6F4D4DFFA6FF5BFE46E617FC920D3B" authority="Karling, 1977" authorityName="Karling" authorityYear="1977" box="[440,789,552,578]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="maldivarum">
<emphasis id="B91BEADCFFA6FF5BFE46E617FDE00D38" box="[440,615,552,577]" italics="true" pageId="5" pageNumber="6">A. maldivarum</emphasis>
Karling, 1977
</taxonomicName>
does the A-organ also have a concave-edged plate. In that species however, the plate is very narrow and more delicate than it is in
<taxonomicName id="4C6F4D4DFFA6FF5BFBE0E66FFB560D10" box="[1054,1233,592,617]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="kerguelensis">
<emphasis id="B91BEADCFFA6FF5BFBE0E66FFB560D10" box="[1054,1233,592,617]" italics="true" pageId="5" pageNumber="6">A. kerguelensis</emphasis>
</taxonomicName>
. The hook of the prostate stylet
<typeStatus id="54D4886CFFA6FF5BFEBEE647FEF40DEB" box="[320,371,632,658]" pageId="5" pageNumber="6">type</typeStatus>
II is rather short (much shorter than the tube); in the other species of the
<taxonomicName id="4C6F4D4DFFA6FF5BFB3CE647FAA30DE8" box="[1218,1316,632,657]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="pectatus">
<emphasis id="B91BEADCFFA6FF5BFB3CE647FAA30DE8" box="[1218,1316,632,657]" italics="true" pageId="5" pageNumber="6">pectatus</emphasis>
</taxonomicName>
-group the hook is mostly almost as long as the tube.
<taxonomicName id="4C6F4D4DFFA6FF5BFD79E69FFCBE0DC0" box="[647,825,672,697]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="species" species="kerguelensis">
<emphasis id="B91BEADCFFA6FF5BFD79E69FFCBE0DC0" box="[647,825,672,697]" italics="true" pageId="5" pageNumber="6">A. kerguelensis</emphasis>
</taxonomicName>
is the first species of
<taxonomicName id="4C6F4D4DFFA6FF5BFBC7E69FFB760DC0" box="[1081,1265,672,697]" class="Rhabditophora" family="Polycystididae" genus="Austrorhynchus" kingdom="Animalia" order="Rhabdocoela" pageId="5" pageNumber="6" phylum="Platyhelminthes" rank="genus">
<emphasis id="B91BEADCFFA6FF5BFBC7E69FFB760DC0" box="[1081,1265,672,697]" italics="true" pageId="5" pageNumber="6">Austrorhynchus</emphasis>
</taxonomicName>
to be found in the subantarctic region of the Indian Ocean.
</paragraph>
</subSubSection>
</treatment>
</document>