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<document id="C1346631200345372453D57AB8839C06" ID-DOI="10.5281/zenodo.185850" ID-GBIF-Dataset="51cc254b-682d-4934-8072-2d4434028c6f" ID-ISSN="1175-5326" ID-Zenodo-Dep="185850" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460025340469" checkinUser="plazi" docAuthor="Thandar, Ahmed S." docDate="2009" docId="651A87A17B54FF91FF3EFDB8FAFFF963" docLanguage="en" docName="zt02013p042.pdf" docOrigin="Zootaxa 2013" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Thyone" docType="treatment" docVersion="9" lastPageNumber="35" masterDocId="9923FFD97B51FF94FFA9FFA5FFCDFFF7" masterDocTitle="New species and a new record of sea cucumbers from deep waters of the South African temperate region (Echinodermata: Holothuroidea)" masterLastPageNumber="42" masterPageNumber="30" pageNumber="35" updateTime="1698233878804" updateUser="plazi">
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<mods:title id="F803931904F4DE97891F5BB68905B5B0">New species and a new record of sea cucumbers from deep waters of the South African temperate region (Echinodermata: Holothuroidea)</mods:title>
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<mods:name id="ECF35937F68F6F585E2066234C520DD3" type="personal">
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<mods:namePart id="75CBBAA369C334B6CD784F32729EC137">Thandar, Ahmed S.</mods:namePart>
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<mods:title id="F5B90A70C5487BB07CC0E2D0E27950AA">Zootaxa</mods:title>
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<mods:date id="58C9280563F42CFDAA78EEEED6DA63EA">2009</mods:date>
<mods:detail id="41604F3C943F4C9CE5DAA6D408EB0AC2" type="volume">
<mods:number id="1946FBB4818E251A485C8CB36EC883B2">2013</mods:number>
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<mods:classification id="8E114D0B06398B1D712D8B2CDDCE02D7">journal article</mods:classification>
<mods:identifier id="DD72F79AA9406D26F1A49ECBB89354CD" type="DOI">10.5281/zenodo.185850</mods:identifier>
<mods:identifier id="24873037A3A3B88731406A22083B93A8" type="GBIF-Dataset">51cc254b-682d-4934-8072-2d4434028c6f</mods:identifier>
<mods:identifier id="F40CA0E41D1CE09F67567350EFB7A37A" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="28BA4D443FF3D49B7607CAB379EDC3BE" type="Zenodo-Dep">185850</mods:identifier>
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<treatment id="651A87A17B54FF91FF3EFDB8FAFFF963" ID-DOI="http://doi.org/10.5281/zenodo.6212605" ID-GBIF-Taxon="119382066" ID-Zenodo-Dep="6212605" LSID="urn:lsid:plazi:treatment:651A87A17B54FF91FF3EFDB8FAFFF963" httpUri="http://treatment.plazi.org/id/651A87A17B54FF91FF3EFDB8FAFFF963" lastPageNumber="35" pageId="5" pageNumber="35">
<subSubSection id="A5A9653C7B54FF91FF3EFDB8FF37FDAD" pageId="5" pageNumber="35" type="nomenclature">
<paragraph id="ED0C36B77B54FF91FF3EFDB8FED0FDC0" blockId="5.[151,285,541,602]" box="[151,285,541,567]" pageId="5" pageNumber="35">
<heading id="B64481DB7B54FF91FF3EFDB8FED0FDC0" bold="true" box="[151,285,541,567]" fontSize="11" level="1" pageId="5" pageNumber="35" reason="1">
<emphasis id="DFC7EAA57B54FF91FF3EFDB8FED0FDC0" bold="true" box="[151,285,541,567]" pageId="5" pageNumber="35">
<taxonomicName id="2AB34D347B54FF91FF3EFDB8FF3FFDC0" ID-CoL="7Q4FF" box="[151,242,541,567]" class="Holothuroidea" family="Phyllophoridae" genus="Thyone" kingdom="Animalia" order="Dendrochirotida" pageId="5" pageNumber="35" phylum="Echinodermata" rank="genus">
<emphasis id="DFC7EAA57B54FF91FF3EFDB8FF3FFDC0" bold="true" box="[151,242,541,567]" italics="true" pageId="5" pageNumber="35">Thyone</emphasis>
</taxonomicName>
sp.
</emphasis>
</heading>
</paragraph>
<paragraph id="ED0C36B77B54FF91FF3EFDE5FF37FDAD" blockId="5.[151,285,541,602]" box="[151,250,576,602]" pageId="5" pageNumber="35">
<figureCitation id="75882A327B54FF91FF3EFDE5FF37FDAD" box="[151,250,576,602]" captionStart="FIGURE 4" captionStartId="6.[151,255,1973,1997]" captionTargetBox="[188,1414,411,1927]" captionTargetId="figure@6.[172,1419,401,1953]" captionTargetPageId="6" captionText="FIGURE 4. Thyone sp. A. Dorsal part of calcareous ring; B. reduced end-plate from a dorsal podium; C. complete endplate from ventral podium; D. rods from tentacle. A scale a; rest scale b." httpUri="https://zenodo.org/record/185854/files/figure.png" pageId="5" pageNumber="35">Figure 4</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="A5A9653C7B54FF91FF3EFD28FC44FD39" pageId="5" pageNumber="35" type="materials_examined">
<paragraph id="ED0C36B77B54FF91FF3EFD28FC44FD39" blockId="5.[151,1438,653,1684]" pageId="5" pageNumber="35">
<emphasis id="DFC7EAA57B54FF91FF3EFD28FE5FFD50" bold="true" box="[151,402,653,679]" pageId="5" pageNumber="35">Material examined.</emphasis>
SAM-A28045, Africana 232, Trawl 39, St.27362, south coast of
<collectingCountry id="95A476277B54FF91FB6DFD28FAADFD50" box="[1220,1376,653,679]" name="South Africa" pageId="5" pageNumber="35">South Africa</collectingCountry>
(
<geoCoordinate id="888750707B54FF91FAD8FD28FF1DFD39" direction="south" orientation="latitude" pageId="5" pageNumber="35" precision="925" value="-34.4">34° 24S</geoCoordinate>
,
<geoCoordinate id="888750707B54FF91FF74FD11FE84FD39" box="[221,329,692,718]" direction="east" orientation="longitude" pageId="5" pageNumber="35" precision="925" value="23.133333">23° 08E</geoCoordinate>
),
<quantity id="2A4B9B527B54FF91FEF7FD11FE61FD39" box="[350,428,692,718]" metricMagnitude="2" metricUnit="m" metricValue="1.02" pageId="5" pageNumber="35" unit="m" value="102.0">102 m</quantity>
,
<date id="990D10777B54FF91FE1EFD11FDF8FD39" box="[439,565,692,718]" pageId="5" pageNumber="35" value="2007-04-12">12.iv.2007</date>
, Louise Lange, 1 spec. (red).
</paragraph>
</subSubSection>
<subSubSection id="A5A9653C7B54FF91FF6FFD7FFB18FA5B" pageId="5" pageNumber="35" type="description">
<paragraph id="ED0C36B77B54FF91FF6FFD7FFC1BFC2B" blockId="5.[151,1438,653,1684]" pageId="5" pageNumber="35">
<emphasis id="DFC7EAA57B54FF91FF6FFD7FFE92FD03" bold="true" box="[198,351,730,756]" pageId="5" pageNumber="35">Description.</emphasis>
Specimen received dried-out but prolonged soaking in alcohol softened body wall to some extent. Form cylindrical, gherkin-like, posterior end narrowed and constricted, perhaps an artefact of preservation. Length
<quantity id="2A4B9B527B54FF91FE33FC8DFE3FFCB5" box="[410,498,808,834]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="5" pageNumber="35" unit="mm" value="40.0">40 mm</quantity>
, diameter in mid-body
<quantity id="2A4B9B527B54FF91FCA7FC8DFC9EFCB5" box="[782,851,808,834]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="5" pageNumber="35" unit="mm" value="8.0">8 mm</quantity>
, posterior end diameter
<quantity id="2A4B9B527B54FF91FBD4FC8DFB05FCB5" box="[1149,1224,808,834]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="5" pageNumber="35" unit="mm" value="2.0">2 mm</quantity>
. Live colouration recorded as red but preserved specimen a dull-greyish brown, darker anteriorly and posteriorly. Mouth anterior, tentacle number impossible to determine due to previous desiccation; anus terminal, anal teeth conspicuous. Podia minute, scattered, ventrally with some indication of their arrangement in rows, suckers reduced. Body wall thin (&lt;
<quantity id="2A4B9B527B54FF91FE7FFC67FDD7FC2B" box="[470,538,962,988]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="35" unit="mm" value="1.0">1 mm</quantity>
), leathery, slightly rough to the touch.
</paragraph>
<paragraph id="ED0C36B77B54FF91FF6CFC4CFE71FACF" blockId="5.[151,1438,653,1684]" pageId="5" pageNumber="35">
Calcareous ring (
<figureCitation id="75882A327B54FF91FE24FC4CFE3FFBF4" box="[397,498,1001,1027]" captionStart="FIGURE 4" captionStartId="6.[151,255,1973,1997]" captionTargetBox="[188,1414,411,1927]" captionTargetId="figure@6.[172,1419,401,1953]" captionTargetPageId="6" captionText="FIGURE 4. Thyone sp. A. Dorsal part of calcareous ring; B. reduced end-plate from a dorsal podium; C. complete endplate from ventral podium; D. rods from tentacle. A scale a; rest scale b." httpUri="https://zenodo.org/record/185854/files/figure.png" pageId="5" pageNumber="35">Figure 4</figureCitation>
A) complex, tubular, tube about
<quantity id="2A4B9B527B54FF91FCD8FC4CFC78FBF4" box="[881,949,1001,1027]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="5" pageNumber="35" unit="mm" value="7.0">7 mm</quantity>
long, fragmented into a mosaic. Anterior tips of radial plates bifid, tips wing-like; interradial plates triangular, each with sharp anterior projection; radial plates prolonged posteriorly before bifurcating into paired processes. Processes up to
<quantity id="2A4B9B527B54FF91FAA9FB93FA9BFBA7" box="[1280,1366,1078,1104]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="35" unit="mm" value="10.0">10 mm</quantity>
long, delicate, intertwined but distally well separated, each process broken into a series of delicate fragments. Polian vesicle(s) not detected. Stone canal short, thin, membranous. Madreporite white, bean-shaped. Gonad (testis) mature, tubules long, coiled, unbranched, situated in middle of body. Respiratory trees poorly branched, left one more so, restricted to posterior half of body; right tree longer, both trees open independently into cloaca. Retractor muscles arise from unpaired longitudinal bands to insert on anterior projections of radial plates of calcareous ring.
</paragraph>
<paragraph id="ED0C36B77B54FF91FF6CFAE0FB18FA5B" blockId="5.[151,1438,653,1684]" pageId="5" pageNumber="35">
Except for reduced and often incomplete end-plates in the podia (
<figureCitation id="75882A327B54FF91FC7EFAE0FB8DFAA8" box="[983,1088,1349,1375]" captionStart="FIGURE 4" captionStartId="6.[151,255,1973,1997]" captionTargetBox="[188,1414,411,1927]" captionTargetId="figure@6.[172,1419,401,1953]" captionTargetPageId="6" captionText="FIGURE 4. Thyone sp. A. Dorsal part of calcareous ring; B. reduced end-plate from a dorsal podium; C. complete endplate from ventral podium; D. rods from tentacle. A scale a; rest scale b." httpUri="https://zenodo.org/record/185854/files/figure.png" pageId="5" pageNumber="35">Figure 4</figureCitation>
B, C), no ossicles detected in body wall (including anal region), podia and introvert. End-plates up to 80 µm. Tentacles with straight or slightly curved rods, up to 200 µm, usually perforated in the middle and at ends (
<figureCitation id="75882A327B54FF91FBE2FA37FB7CFA5B" box="[1099,1201,1426,1452]" captionStart="FIGURE 4" captionStartId="6.[151,255,1973,1997]" captionTargetBox="[188,1414,411,1927]" captionTargetId="figure@6.[172,1419,401,1953]" captionTargetPageId="6" captionText="FIGURE 4. Thyone sp. A. Dorsal part of calcareous ring; B. reduced end-plate from a dorsal podium; C. complete endplate from ventral podium; D. rods from tentacle. A scale a; rest scale b." httpUri="https://zenodo.org/record/185854/files/figure.png" pageId="5" pageNumber="35">Figure 4</figureCitation>
D).
</paragraph>
</subSubSection>
<subSubSection id="A5A9653C7B54FF91FF6FFA1DFAFFF963" pageId="5" pageNumber="35" type="discussion">
<paragraph id="ED0C36B77B54FF91FF6FFA1DFAFFF963" blockId="5.[151,1438,653,1684]" pageId="5" pageNumber="35">
<emphasis id="DFC7EAA57B54FF91FF6FFA1DFE8DFA25" bold="true" box="[198,320,1464,1490]" pageId="5" pageNumber="35">Remarks.</emphasis>
Due to the singularity of the specimen, its previous drying-up and the absence of body wall, podial and introvert ossicles, it is not possible to name it with any degree of certainty. It does not appear to be identical to any
<taxonomicName id="2AB34D347B54FF91FEC5F9A2FE07F9D7" box="[364,458,1543,1568]" class="Holothuroidea" family="Phyllophoridae" genus="Thyone" kingdom="Animalia" order="Dendrochirotida" pageId="5" pageNumber="35" phylum="Echinodermata" rank="genus">
<emphasis id="DFC7EAA57B54FF91FEC5F9A2FE07F9D7" box="[364,458,1543,1568]" italics="true" pageId="5" pageNumber="35">Thyone</emphasis>
</taxonomicName>
species currently known from the southern African region. Because of the peculiarities of its calcareous ring it appears highly likely that more and better preserved specimen will lead to the description of a new species.
<collectingCountry id="95A476277B54FF91FD88F9F1FD8FF999" box="[545,578,1620,1646]" name="American Samoa" pageId="5" pageNumber="35">As</collectingCountry>
the South African temperate dendrochirotids are highly endemic it does not seem likely that the single specimen is referable to a species outside the southern African region.
</paragraph>
</subSubSection>
</treatment>
</document>