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<document id="AC79DCBD03D01E5830FEC7ABF7FC79F2" ID-ISSN="1464-5262" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629994168818" checkinUser="felipe" docAuthor="Peña Cantero, A. L." docDate="2002" docId="03CB87C3FFF1976EF5C713E55B86F9D1" docLanguage="en" docName="JNatHist.36.13.1509-1568.pdf" docOrigin="Journal of Natural History 36" docStyle="DocumentStyle:B6EF65DE5B4D2965D4D236BA736D172F.2:JNatHist.2000-2002.journal_article.2cover" docStyleId="B6EF65DE5B4D2965D4D236BA736D172F" docStyleName="JNatHist.2000-2002.journal_article.2cover" docStyleVersion="2" docTitle="Symplectoscyphus weddelli Peña Cantero 2002, sp. nov." docType="treatment" docVersion="2" lastPageNumber="1562" masterDocId="FFF2FFBBFFC49759F465110B5B76FFC9" masterDocTitle="Species of Symplectoscyphus Marktanner-Turneretscher, 1890 (Cnidaria: Hydrozoa, Sertulariidae) from recent Antarctic expeditions with R. V. Polarstern, with the description of four new species" masterLastPageNumber="1568" masterPageNumber="1509" pageNumber="1560" updateTime="1699134370721" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="C56517659BBB9836EB7B82D14D3E6617">Species of Symplectoscyphus Marktanner-Turneretscher, 1890 (Cnidaria: Hydrozoa, Sertulariidae) from recent Antarctic expeditions with R. V. Polarstern, with the description of four new species</mods:title>
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<mods:name id="744954317FC692039418064D8E5EEECB" type="personal">
<mods:role id="2A0E7AB80273838C8A5F3C17A0A25D9F">
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<mods:namePart id="E55FBDACC75346D8A0FB02F1A7FED879">Peña Cantero, A. L.</mods:namePart>
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<mods:title id="7E8E0416AB8C79F5F776E6AC369CD596">Journal of Natural History</mods:title>
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<mods:part id="1797D9E7DBC654B1362DEBAE1E9A1619">
<mods:date id="80B660CAE0FE01D8327E5E376B5D4816">2002</mods:date>
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<mods:number id="1351CAC59DA0A68EE7722A353FA03549">36</mods:number>
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<mods:start id="3E76415113AC683313A78B85F3481E81">1509</mods:start>
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<mods:identifier id="3F750537501AE902686142788F956478" type="ISSN">1464-5262</mods:identifier>
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<treatment id="03CB87C3FFF1976EF5C713E55B86F9D1" LSID="urn:lsid:plazi:treatment:03CB87C3FFF1976EF5C713E55B86F9D1" httpUri="http://treatment.plazi.org/id/03CB87C3FFF1976EF5C713E55B86F9D1" lastPageId="55" lastPageNumber="1562" pageId="53" pageNumber="1560">
<subSubSection id="C378655EFFF1976CF5C713E559AEFCEF" pageId="53" pageNumber="1560" type="nomenclature">
<paragraph id="8BDD36D5FFF1976CF5C713E55846FCCC" blockId="53.[418,816,750,806]" box="[418,816,750,774]" pageId="53" pageNumber="1560">
<heading id="D09581B9FFF1976CF5C713E55846FCCC" box="[418,816,750,774]" centered="true" fontSize="10" level="2" pageId="53" pageNumber="1560" reason="3">
<taxonomicName id="4C624D56FFF1976CF5C713E559BAFCCF" ID-CoL="53R4Z" authority="Peña Cantero, 2002" authorityName="Peña Cantero" authorityYear="2002" box="[418,716,750,774]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="53" pageNumber="1560" phylum="Cnidaria" rank="species" species="weddelli" status="sp. nov.">
<emphasis id="B916EAC7FFF1976CF5C713E559BAFCCF" bold="true" box="[418,716,750,774]" italics="true" pageId="53" pageNumber="1560">Symplectoscyphus weddelli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22557BCFFF1976CF6B013E55846FCCC" box="[725,816,750,773]" pageId="53" pageNumber="1560" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
<paragraph id="8BDD36D5FFF1976CF59F120559AEFCEF" blockId="53.[418,816,750,806]" box="[506,728,782,806]" pageId="53" pageNumber="1560">(gure 16; table 15)</paragraph>
</subSubSection>
<subSubSection id="C378655EFFF1976EF4D612485F30FC33" lastPageId="55" lastPageNumber="1562" pageId="53" pageNumber="1560" type="materials_examined">
<paragraph id="8BDD36D5FFF1976CF4D6124859F0FBB0" blockId="53.[140,1095,835,1687]" pageId="53" pageNumber="1560">
<emphasis id="B916EAC7FFF1976CF4D612485AE4FC92" box="[179,402,835,859]" italics="true" pageId="53" pageNumber="1560">Material examined.</emphasis>
<materialsCitation id="3B0A3C88FFF1976CF5C8124859F7FBB0" collectionCode="VIII, IX" pageId="53" pageNumber="1560" specimenCode="VIII-5, IX-3" specimenCount="1" typeStatus="holotype">
ANT
<specimenCode id="DBC49EAEFFF1976CF5901248594BFC92" box="[501,573,835,859]" collectionCode="VIII-" pageId="53" pageNumber="1560">VIII-5</specimenCode>
Stn 16-399, numerous stems on polychaete tubes and a mass of stems
<emphasis id="B916EAC7FFF1976CF5AF126F5A95FCB2" box="[458,483,868,891]" italics="true" pageId="53" pageNumber="1560">ca</emphasis>
<quantity id="4C9A9B30FFF1976CF58812685941FCB3" box="[493,567,867,891]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="53" pageNumber="1560" unit="mm" value="40.0">40 mm</quantity>
diameter (RMNH-Coel. 29 210, slide 4855); ANT
<specimenCode id="DBC49EAEFFF1976CF4B712885A6FFC52" box="[210,281,899,923]" collectionCode="VIII-" pageId="53" pageNumber="1560">VIII-5</specimenCode>
Stn 16-407, a mass of stems
<emphasis id="B916EAC7FFF1976CF611128F59FBFC52" box="[628,653,900,923]" italics="true" pageId="53" pageNumber="1560">ca</emphasis>
<quantity id="4C9A9B30FFF1976CF6F312885997FC53" box="[662,737,899,923]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="53" pageNumber="1560" unit="mm" value="15.0">15 mm</quantity>
diameter and numerous stems up to
<quantity id="4C9A9B30FFF1976CF4B212A95A54FC73" box="[215,290,930,954]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="53" pageNumber="1560" unit="mm" value="25.0">25 mm</quantity>
<collectedFrom id="387E7528FFF1976CF54812A85980FC73" box="[301,758,930,955]" pageId="53" pageNumber="1560">
on
<taxonomicName id="4C624D56FFF1976CF53312A95980FC73" authority="(Jaderholm, 1904)" baseAuthorityName="Jaderholm" baseAuthorityYear="1904" box="[342,758,930,955]" class="Hydrozoa" family="Lafoeidae" genus="Billardia" kingdom="Animalia" order="Leptothecata" pageId="53" pageNumber="1560" phylum="Cnidaria" rank="species" species="subrufa">
<emphasis id="B916EAC7FFF1976CF53312A95962FC73" box="[342,532,930,954]" italics="true" pageId="53" pageNumber="1560">Billardia subrufa</emphasis>
(Jäderholm, 1904)
</taxonomicName>
</collectedFrom>
, with gonothecae (
<typeStatus id="54D98877FFF1976CF7B912A95F48FC73" box="[988,1086,930,954]" pageId="53" pageNumber="1560" type="holotype">holotype</typeStatus>
, RMNH-Coel. 29 211, three slides 4856, part of type series); ANT
<specimenCode id="DBC49EAEFFF1976CF71D12C858B6FC13" box="[888,960,962,986]" collectionCode="VIII-" pageId="53" pageNumber="1560">VIII-5</specimenCode>
Stn 16-475, a mass of stems and branches, some incipient stems on hydrocoral and polychaete tubes (RMNH-Coel. 29 212, slide 4857); ANT
<specimenCode id="DBC49EAEFFF1976CF6D61508598DFBD3" box="[691,763,1026,1050]" collectionCode="VIII-" pageId="53" pageNumber="1560">VIII-5</specimenCode>
Stn 16-486, a mass of stems
<emphasis id="B916EAC7FFF1976CF4E915285BD3FBF3" box="[140,165,1059,1082]" italics="true" pageId="53" pageNumber="1560">ca</emphasis>
<quantity id="4C9A9B30FFF1976CF4C815295B81FBF3" box="[173,247,1058,1082]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="53" pageNumber="1560" unit="mm" value="20.0">20 mm</quantity>
diameter, with gonothecae (RMNH-Coel. 29 213, slide 4858); ANT
<specimenCode id="DBC49EAEFFF1976CF07715285F31FBF3" box="[1042,1095,1058,1082]" collectionCode="IX-" pageId="53" pageNumber="1560">IX-3</specimenCode>
Stn 220, a colony with a few unbranched stems up to
<quantity id="4C9A9B30FFF1976CF7781549582CFB93" box="[797,858,1090,1114]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="53" pageNumber="1560" unit="mm" value="6.0">6 mm</quantity>
high on uncalci ed Bryozoa (RMNH-Coel. 29 214, slide 4859)
</materialsCitation>
.
</paragraph>
<paragraph id="8BDD36D5FFF1976CF4D6158959B1FAD1" blockId="53.[140,1095,835,1687]" pageId="53" pageNumber="1560">
<emphasis id="B916EAC7FFF1976CF4D615895A4FFB50" box="[179,313,1154,1177]" italics="true" pageId="53" pageNumber="1560">Description.</emphasis>
Colonies with monosiphonic stems up to
<quantity id="4C9A9B30FFF1976CF74F158A5805FB50" box="[810,883,1153,1177]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="53" pageNumber="1560" unit="mm" value="25.0">25 mm</quantity>
high, arising from stolonal hydrorhiza. Branching irregular and in several planes. Branches originating laterally at hydrothecal base; plane formed by hydrothecae of lower-order branch perpendicular to that formed by hydrothecae of previous branch. Occasionally branches becoming anastomosing stolons distally.
</paragraph>
<paragraph id="8BDD36D5FFF1976CF4D6142A5A61F9F1" blockId="53.[140,1095,835,1687]" pageId="53" pageNumber="1560">Stems divided into more or less straight internodes with oblique nodes sloping in alternate directions (gure 16A, B); one hydrotheca per internode. Hydrothecae abcaudally directed, with indistinct in exion point where the adcauline wall becomes free (gure 16AE). Adcauline hydrothecal wall adnate to internode for approximately half its length, though usually adnate part slightly longer than free portion. Free part of adcauline hydrothecal wall straight or slightly convex. Abcauline hydrothecal wall slightly concave. Cusps of hydrothecal aperture sharp and separated by deep embayments (gure 16AE). Rim of hydrothecal aperture with frequent renovations.</paragraph>
<paragraph id="8BDD36D5FFF1976FF4D6174B5B56FDA2" blockId="53.[140,1095,835,1687]" lastBlockId="54.[9,32,566,1247]" lastPageId="54" lastPageNumber="1561" pageId="53" pageNumber="1560">Gonothecae ovoid, inserting at hydrothecal base. Gonothecal walls spirally folded, forming a frill with eight or nine turns (gure 16F). Gonotheca distally with a long, funnel-shaped neck bearing the gonothecal aperture. The material from ANT 2014</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C13795B56FD1B" blockId="54.[9,32,566,1247]" box="[9,32,626,722]" pageId="54" pageNumber="1561">February</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C13D25B56FD3D" blockId="54.[9,32,566,1247]" box="[9,32,729,756]" pageId="54" pageNumber="1561">13</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C13F15B56FCDE" blockId="54.[9,32,566,1247]" box="[9,32,762,791]" pageId="54" pageNumber="1561">38</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C121D5B56FCD3" blockId="54.[9,32,566,1247]" box="[9,32,790,794]" pageId="54" pageNumber="1561">:</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C12115B56FCFE" blockId="54.[9,32,566,1247]" box="[9,32,794,823]" pageId="54" pageNumber="1561">23</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C12365B56FC99" blockId="54.[9,32,566,1247]" box="[9,32,829,848]" pageId="54" pageNumber="1561">at</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C125C5B56FC94" blockId="54.[9,32,566,1247]" box="[9,32,855,861]" pageId="54" pageNumber="1561">]</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C12565B56FC66" blockId="54.[9,32,566,1247]" box="[9,32,861,943]" pageId="54" pageNumber="1561">Bath of</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C12BD5B56FBE3" blockId="54.[9,32,566,1247]" box="[9,32,950,1066]" pageId="54" pageNumber="1561">University</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C15215B56FBF9" blockId="54.[9,32,566,1247]" box="[9,32,1066,1072]" pageId="54" pageNumber="1561">[</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C153D5B56FB98" blockId="54.[9,32,566,1247]" box="[9,32,1078,1105]" pageId="54" pageNumber="1561">by</paragraph>
<paragraph id="8BDD36D5FFF2976FF46C155C5B56FB16" blockId="54.[9,32,566,1247]" box="[9,32,1111,1247]" pageId="54" pageNumber="1561">Downloaded</paragraph>
<caption id="DF1D665DFFF2976FF4E9143D585FFA53" pageId="54" pageNumber="1561" startId="54.[140,156,1334,1355]" targetBox="[201,1032,131,1305]" targetPageId="54">
<paragraph id="8BDD36D5FFF2976FF4E9143D585FFA53" blockId="54.[140,1095,1333,1434]" pageId="54" pageNumber="1561">
FIG. 16.
<taxonomicName id="4C624D56FFF2976FF496143E5975FA82" authority="Peña Cantero, 2002" authorityName="Peña Cantero" authorityYear="2002" box="[243,515,1333,1355]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="54" pageNumber="1561" phylum="Cnidaria" rank="species" species="weddelli" status="sp. nov.">
<emphasis id="B916EAC7FFF2976FF496143E5975FA82" box="[243,515,1333,1355]" italics="true" pageId="54" pageNumber="1561">Symplectoscyphus weddelli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22557BCFFF2976FF66A143D5915FA82" box="[527,611,1334,1355]" pageId="54" pageNumber="1561" rank="species">sp. nov.</taxonomicNameLabel>
: (A, B) two fragments of branches showing hydrothecal arrangement; (CE) hydrothecal internodes; (F, G) gonothecae. (A from ANT IX-3 Stn 220; B from ANT VIII-5 Stn 16-399; C, F from ANT VIII-5 Stn 16-407; D, E, G from ANT VIII-5 Stn 16-486.) Scale bar: 500
<emphasis id="B916EAC7FFF2976FF764148F5878FA53" bold="true" box="[769,782,1412,1434]" italics="true" pageId="54" pageNumber="1561">m</emphasis>
m.
</paragraph>
</caption>
<paragraph id="8BDD36D5FFF2976FF4E914EA589BF9D1" blockId="54.[140,1094,1504,1687]" pageId="54" pageNumber="1561">
<collectionCode id="ED73AE10FFF2976FF4E914EA5BB1FA31" box="[140,199,1505,1528]" pageId="54" pageNumber="1561">VIII-</collectionCode>
5 Stn 16-486 has slightly diVerent gonothecae (gure 16G): they are provided with a pattern of
<emphasis id="B916EAC7FFF2976FF53D170A5A07F9D1" box="[344,369,1537,1560]" italics="true" pageId="54" pageNumber="1561">ca</emphasis>
12 rings and distally have a short, funnel-shaped neck.
</paragraph>
<paragraph id="8BDD36D5FFF2976FF4D6172B5910F95E" blockId="54.[140,1094,1504,1687]" pageId="54" pageNumber="1561">
<emphasis id="B916EAC7FFF2976FF4D6172B5A68F9F1" box="[179,286,1568,1592]" italics="true" pageId="54" pageNumber="1561">Remarks.</emphasis>
We believe that the diVerences in shape of the gonothecae between the colonies from ANT
<collectionCode id="ED73AE10FFF2976FF5CF174A5A92F991" box="[426,484,1601,1624]" pageId="54" pageNumber="1561">VIII-</collectionCode>
5 Stn 16-486 and the remaining material are due to sexual dimorphism, though speci c diVerences cannot be ruled out. The study of more material could clarify this question.
</paragraph>
<caption id="DF1D665DFFF3976EF49411895894FF51" box="[241,994,130,152]" pageId="55" pageNumber="1562" startId="55.[241,297,130,152]">
<paragraph id="8BDD36D5FFF3976EF49411895894FF51" blockId="55.[241,994,130,152]" box="[241,994,130,152]" pageId="55" pageNumber="1562">
Table 15. Measurements of
<taxonomicName id="4C624D56FFF3976EF67A1189585AFF51" authority="Peña Cantero, 2002" authorityName="Peña Cantero" authorityYear="2002" box="[543,812,130,152]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="weddelli" status="sp. nov.">
<emphasis id="B916EAC7FFF3976EF67A1189585AFF51" box="[543,812,130,152]" italics="true" pageId="55" pageNumber="1562">Symplectoscyphus weddelli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22557BCFFF3976EF751118858F1FF51" box="[820,903,131,152]" pageId="55" pageNumber="1562" rank="species">sp. nov.</taxonomicNameLabel>
(in
<emphasis id="B916EAC7FFF3976EF7D4118958C8FF51" bold="true" box="[945,958,130,152]" italics="true" pageId="55" pageNumber="1562">m</emphasis>
m).
</paragraph>
</caption>
<paragraph id="8BDD36D5FFF3976EF7DD11B35883FDBF" pageId="55" pageNumber="1562">
<table id="F962C475FFF368A6F4E911B35F53FDBE" box="[140,1061,184,631]" gridcols="3" gridrows="16" pageId="55" pageNumber="1562">
<tr id="35523497FFF368A6F4E911B35F53FF07" box="[140,1061,184,206]" gridrow="0" pageId="55" pageNumber="1562" rowspan-0="1" rowspan-1="1">
<th id="76835DEBFFF368A6F7DD11B35F53FF07" box="[952,1061,184,206]" gridcol="2" gridrow="0" pageId="55" pageNumber="1562">Stn 16-486</th>
</tr>
<tr id="35523497FFF368A6F4E911E65F53FECA" box="[140,1061,237,259]" gridrow="1" pageId="55" pageNumber="1562" rowspan-1="1" rowspan-2="1">
<th id="76835DEBFFF368A6F4E911E65955FECA" box="[140,547,237,259]" gridcol="0" gridrow="1" pageId="55" pageNumber="1562">Internodes</th>
</tr>
<tr id="35523497FFF368A6F4E9100C5F53FED4" box="[140,1061,263,285]" gridrow="2" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E9100C5955FED4" box="[140,547,263,285]" gridcol="0" gridrow="2" pageId="55" pageNumber="1562">Length</th>
<td id="76835DEBFFF368A6F6A3100C586CFED4" box="[710,794,263,285]" gridcol="1" gridrow="2" pageId="55" pageNumber="1562">650850</td>
<td id="76835DEBFFF368A6F7DD100C5F53FED4" box="[952,1061,263,285]" gridcol="2" gridrow="2" pageId="55" pageNumber="1562">800</td>
</tr>
<tr id="35523497FFF368A6F4E910295F53FEF1" box="[140,1061,290,312]" gridrow="3" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E910295955FEF1" box="[140,547,290,312]" gridcol="0" gridrow="3" pageId="55" pageNumber="1562">Diameter</th>
<td id="76835DEBFFF368A6F6A31029586CFEF1" box="[710,794,290,312]" gridcol="1" gridrow="3" pageId="55" pageNumber="1562">190240</td>
<td id="76835DEBFFF368A6F7DD10295F53FEF1" box="[952,1061,290,312]" gridcol="2" gridrow="3" pageId="55" pageNumber="1562">220</td>
</tr>
<tr id="35523497FFF368A6F4E910375F53FE9B" box="[140,1061,316,338]" gridrow="4" pageId="55" pageNumber="1562" rowspan-1="1" rowspan-2="1">
<th id="76835DEBFFF368A6F4E910375955FE9B" box="[140,547,316,338]" gridcol="0" gridrow="4" pageId="55" pageNumber="1562">Hydrothecae</th>
</tr>
<tr id="35523497FFF368A6F4E9105C5F53FEA4" box="[140,1061,343,365]" gridrow="5" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E9105C5955FEA4" box="[140,547,343,365]" gridcol="0" gridrow="5" pageId="55" pageNumber="1562">Length abcauline wall</th>
<td id="76835DEBFFF368A6F6A3105C586CFEA4" box="[710,794,343,365]" gridcol="1" gridrow="5" pageId="55" pageNumber="1562">325400</td>
<td id="76835DEBFFF368A6F7DD105C5F53FEA4" box="[952,1061,343,365]" gridcol="2" gridrow="5" pageId="55" pageNumber="1562">370470</td>
</tr>
<tr id="35523497FFF368A6F4E9107A5F53FE4E" box="[140,1061,369,391]" gridrow="6" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E9107A5955FE4E" box="[140,547,369,391]" gridcol="0" gridrow="6" pageId="55" pageNumber="1562">Length free part of adcauline wall</th>
<td id="76835DEBFFF368A6F6A3107A586CFE4E" box="[710,794,369,391]" gridcol="1" gridrow="6" pageId="55" pageNumber="1562">220240</td>
<td id="76835DEBFFF368A6F7DD107A5F53FE4E" box="[952,1061,369,391]" gridcol="2" gridrow="6" pageId="55" pageNumber="1562">220250</td>
</tr>
<tr id="35523497FFF368A6F4E910875F53FE6B" box="[140,1061,396,418]" gridrow="7" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E910875955FE6B" box="[140,547,396,418]" gridcol="0" gridrow="7" pageId="55" pageNumber="1562">Length adnate part of adcauline wall</th>
<td id="76835DEBFFF368A6F6A31087586CFE6B" box="[710,794,396,418]" gridcol="1" gridrow="7" pageId="55" pageNumber="1562">250290</td>
<td id="76835DEBFFF368A6F7DD10875F53FE6B" box="[952,1061,396,418]" gridcol="2" gridrow="7" pageId="55" pageNumber="1562">280300</td>
</tr>
<tr id="35523497FFF368A6F4E910AD5F53FE75" box="[140,1061,422,444]" gridrow="8" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E910AD5955FE75" box="[140,547,422,444]" gridcol="0" gridrow="8" pageId="55" pageNumber="1562">Maximal diameter</th>
<td id="76835DEBFFF368A6F6A310AD586CFE75" box="[710,794,422,444]" gridcol="1" gridrow="8" pageId="55" pageNumber="1562">200210</td>
<td id="76835DEBFFF368A6F7DD10AD5F53FE75" box="[952,1061,422,444]" gridcol="2" gridrow="8" pageId="55" pageNumber="1562">200</td>
</tr>
<tr id="35523497FFF368A6F4E910CA5F53FE1E" box="[140,1061,449,471]" gridrow="9" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E910CA5955FE1E" box="[140,547,449,471]" gridcol="0" gridrow="9" pageId="55" pageNumber="1562">Diameter at aperture</th>
<td id="76835DEBFFF368A6F6A310CA586CFE1E" box="[710,794,449,471]" gridcol="1" gridrow="9" pageId="55" pageNumber="1562">150170</td>
<td id="76835DEBFFF368A6F7DD10CA5F53FE1E" box="[952,1061,449,471]" gridcol="2" gridrow="9" pageId="55" pageNumber="1562">170</td>
</tr>
<tr id="35523497FFF368A6F4E910D05F53FE38" box="[140,1061,475,497]" gridrow="10" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E910D05955FE38" box="[140,547,475,497]" gridcol="0" gridrow="10" pageId="55" pageNumber="1562">Length adcauline wall</th>
<td id="76835DEBFFF368A6F6A310D0586CFE38" box="[710,794,475,497]" gridcol="1" gridrow="10" pageId="55" pageNumber="1562">480520</td>
<td id="76835DEBFFF368A6F7DD10D05F53FE38" box="[952,1061,475,497]" gridcol="2" gridrow="10" pageId="55" pageNumber="1562">520530</td>
</tr>
<tr id="35523497FFF368A6F4E910FD5F53FDC5" box="[140,1061,502,524]" gridrow="11" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E910FD5F53FDC5" box="[140,1061,502,524]" colspan="3" colspanRight="2" gridcol="0" gridrow="11" pageId="55" pageNumber="1562">Gonothecae</th>
</tr>
<tr id="35523497FFF368A6F4E9131A5F53FDEE" box="[140,1061,529,551]" gridrow="12" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E9131A5955FDEE" box="[140,547,529,551]" gridcol="0" gridrow="12" pageId="55" pageNumber="1562">Length</th>
<td id="76835DEBFFF368A6F6A3131A586CFDEE" box="[710,794,529,551]" gridcol="1" gridrow="12" pageId="55" pageNumber="1562">900920</td>
<td id="76835DEBFFF368A6F7DD131A5F53FDEE" box="[952,1061,529,551]" gridcol="2" gridrow="12" pageId="55" pageNumber="1562">1160 1180</td>
</tr>
<tr id="35523497FFF368A6F4E913205F53FD88" box="[140,1061,555,577]" gridrow="13" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E913205955FD88" box="[140,547,555,577]" gridcol="0" gridrow="13" pageId="55" pageNumber="1562">Maximal diameter</th>
<td id="76835DEBFFF368A6F6A31320586CFD88" box="[710,794,555,577]" gridcol="1" gridrow="13" pageId="55" pageNumber="1562">670700</td>
<td id="76835DEBFFF368A6F7DD13205F53FD88" box="[952,1061,555,577]" gridcol="2" gridrow="13" pageId="55" pageNumber="1562">620640</td>
</tr>
<tr id="35523497FFF368A6F4E9134D5F53FD95" box="[140,1061,582,604]" gridrow="14" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E9134D5955FD95" box="[140,547,582,604]" gridcol="0" gridrow="14" pageId="55" pageNumber="1562">Length of distal tube</th>
<td id="76835DEBFFF368A6F6A3134D586CFD95" box="[710,794,582,604]" gridcol="1" gridrow="14" pageId="55" pageNumber="1562">190</td>
<td id="76835DEBFFF368A6F7DD134D5F53FD95" box="[952,1061,582,604]" gridcol="2" gridrow="14" pageId="55" pageNumber="1562"></td>
</tr>
<tr id="35523497FFF368A6F4E9136A5F53FDBE" box="[140,1061,609,631]" gridrow="15" pageId="55" pageNumber="1562">
<th id="76835DEBFFF368A6F4E9136A5955FDBE" box="[140,547,609,631]" gridcol="0" gridrow="15" pageId="55" pageNumber="1562">Diameter at aperture</th>
<td id="76835DEBFFF368A6F6A3136A586CFDBE" box="[710,794,609,631]" gridcol="1" gridrow="15" pageId="55" pageNumber="1562">150</td>
<td id="76835DEBFFF368A6F7DD136A5F53FDBE" box="[952,1061,609,631]" gridcol="2" gridrow="15" pageId="55" pageNumber="1562"></td>
</tr>
</table>
</paragraph>
<paragraph id="8BDD36D5FFF3976EF46C133D5B56FB16" blockId="55.[9,32,566,1247]" box="[9,32,566,1247]" pageId="55" pageNumber="1562">
<date id="FFDC1015FFF3976EF46C133D5B56FD3D" box="[9,32,566,756]" pageId="55" pageNumber="1562" value="2014-02-13">2014 February 13</date>
38: 23 at] Bath of University [by Downloaded
</paragraph>
<paragraph id="8BDD36D5FFF3976EF4D613C85F30FC33" blockId="55.[140,1095,707,1560]" pageId="55" pageNumber="1562">
<taxonomicName id="4C624D56FFF3976EF4D613C85AA3FD12" authority="Peña Cantero, 2002" authorityName="Peña Cantero" authorityYear="2002" box="[179,469,707,731]" class="Hydrozoa" family="Sertulariidae" genus="Symplectoscyhus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="weddelli" status="sp. nov.">
<emphasis id="B916EAC7FFF3976EF4D613C85AA3FD12" box="[179,469,707,731]" italics="true" pageId="55" pageNumber="1562">Symplectoscyhus weddelli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22557BCFFF3976EF58613CF5935FD12" box="[483,579,708,731]" pageId="55" pageNumber="1562" rank="species">sp. nov.</taxonomicNameLabel>
belongs to the group of Antarctic species having gonothecae provided with a pattern of rings (
<taxonomicName id="4C624D56FFF3976EF68F13E858C2FD32" box="[746,948,739,763]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="cumberlandicus">
<emphasis id="B916EAC7FFF3976EF68F13E858C2FD32" box="[746,948,739,763]" italics="true" pageId="55" pageNumber="1562">S. cumberlandicus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C624D56FFF3976EF7A613E85F48FD32" baseAuthorityName="Jaderholm" baseAuthorityYear="1917" box="[963,1086,739,763]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="curvatus">
<emphasis id="B916EAC7FFF3976EF7A613E85F48FD32" box="[963,1086,739,763]" italics="true" pageId="55" pageNumber="1562">S. curvatus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C624D56FFF3976EF4E912085A72FCD2" authorityName="Blanco" authorityYear="2014" box="[140,260,771,795]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="exochus">
<emphasis id="B916EAC7FFF3976EF4E912085A72FCD2" box="[140,260,771,795]" italics="true" pageId="55" pageNumber="1562">S. exochus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C624D56FFF3976EF57D12085AD2FCD2" authorityName="Blanco, Bath" authorityYear="1977" box="[280,420,771,795]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="nesioticus">
<emphasis id="B916EAC7FFF3976EF57D12085AD2FCD2" box="[280,420,771,795]" italics="true" pageId="55" pageNumber="1562">S. nesioticus</emphasis>
</taxonomicName>
,
<emphasis id="B916EAC7FFF3976EF5D212085961FCD2" box="[439,535,771,795]" italics="true" pageId="55" pageNumber="1562">S. so ae</emphasis>
sp. nov. and
<taxonomicName id="4C624D56FFF3976EF6A412085858FCD2" box="[705,814,771,795]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="vanhoe">
<emphasis id="B916EAC7FFF3976EF6A412085858FCD2" box="[705,814,771,795]" italics="true" pageId="55" pageNumber="1562">S. vanhoe</emphasis>
</taxonomicName>
<emphasis id="B916EAC7FFF3976EF74A12085849FCD2" bold="true" box="[815,831,771,795]" pageId="55" pageNumber="1562">
<collectionCode id="ED73AE10FFF3976EF74A12085849FCD2" box="[815,831,771,795]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="55" pageNumber="1562" type="Museum">V</collectionCode>
</emphasis>
<emphasis id="B916EAC7FFF3976EF75A120F5829FCD2" box="[831,863,772,795]" italics="true" pageId="55" pageNumber="1562">eni</emphasis>
). It diVers from
<taxonomicName id="4C624D56FFF3976EF04A12085A42FCF2" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="cumberlandicus">
<emphasis id="B916EAC7FFF3976EF04A12085A42FCF2" italics="true" pageId="55" pageNumber="1562">S. cumberlandicus</emphasis>
</taxonomicName>
and
<emphasis id="B916EAC7FFF3976EF51312285AA0FCF2" box="[374,470,803,827]" italics="true" pageId="55" pageNumber="1562">S. so ae</emphasis>
sp. nov. mainly in having monosiphonic rather than polysiphonic colonies, but also because the hydrothecal shape and size are diVerent. From
<taxonomicName id="4C624D56FFF3976EF4B312685A24FCB2" baseAuthorityName="Jaderholm" baseAuthorityYear="1917" box="[214,338,867,891]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="curvatus">
<emphasis id="B916EAC7FFF3976EF4B312685A24FCB2" box="[214,338,867,891]" italics="true" pageId="55" pageNumber="1562">S. curvatus</emphasis>
</taxonomicName>
it distinctly diVers in shape and size of the hydrothecae, as that species has much more robust colonies and the hydrotheca is cylindrical and much larger. The colony form diVers from that of
<taxonomicName id="4C624D56FFF3976EF6FD12A95853FC73" authorityName="Blanco, Bath" authorityYear="1977" box="[664,805,930,954]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="nesioticus">
<emphasis id="B916EAC7FFF3976EF6FD12A95853FC73" box="[664,805,930,954]" italics="true" pageId="55" pageNumber="1562">S. nesioticus</emphasis>
</taxonomicName>
, in which the internodes are markedly arranged in zigzag fashion. Moreover, the hydrothecae in
<taxonomicName id="4C624D56FFF3976EF7D812C95F31FC13" authorityName="Blanco, Bath" authorityYear="1977" box="[957,1095,962,986]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="nesioticus">
<emphasis id="B916EAC7FFF3976EF7D812C95F31FC13" box="[957,1095,962,986]" italics="true" pageId="55" pageNumber="1562">S. nesioticus</emphasis>
</taxonomicName>
are free for almost the whole adcauline length and have a completely diVerent shape.
</paragraph>
</subSubSection>
<subSubSection id="C378655EFFF3976EF4D615095B86F9D1" pageId="55" pageNumber="1562" type="description">
<paragraph id="8BDD36D5FFF3976EF4D615095B92FB30" blockId="55.[140,1095,707,1560]" pageId="55" pageNumber="1562">
<taxonomicName id="4C624D56FFF3976EF4D615095A96FBD3" authority="Peña Cantero, 2002" authorityName="Peña Cantero" authorityYear="2002" box="[179,480,1026,1050]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="weddelli" status="sp. nov.">
<emphasis id="B916EAC7FFF3976EF4D615095A96FBD3" box="[179,480,1026,1050]" italics="true" pageId="55" pageNumber="1562">Symplectoscyphus weddelli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22557BCFFF3976EF58E1508593EFBD3" box="[491,584,1027,1050]" pageId="55" pageNumber="1562" rank="species">sp. nov.</taxonomicNameLabel>
is closest to
<taxonomicName id="4C624D56FFF3976EF68315095822FBD3" box="[742,852,1026,1050]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="vanhoe">
<emphasis id="B916EAC7FFF3976EF68315095822FBD3" box="[742,852,1026,1050]" italics="true" pageId="55" pageNumber="1562">S. vanhoe</emphasis>
</taxonomicName>
<emphasis id="B916EAC7FFF3976EF73015095813FBD3" bold="true" box="[853,869,1026,1050]" pageId="55" pageNumber="1562">V</emphasis>
<emphasis id="B916EAC7FFF3976EF700150858F3FBD3" box="[869,901,1027,1050]" italics="true" pageId="55" pageNumber="1562">eni</emphasis>
and
<taxonomicName id="4C624D56FFF3976EF7A315095F48FBD3" authorityName="Blanco" authorityYear="2014" box="[966,1086,1026,1050]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="exochus">
<emphasis id="B916EAC7FFF3976EF7A315095F48FBD3" box="[966,1086,1026,1050]" italics="true" pageId="55" pageNumber="1562">S. exochus</emphasis>
</taxonomicName>
, though it diVers from these in the shape of the hydrothecae. In
<taxonomicName id="4C624D56FFF3976EF7191529589EFBF3" box="[892,1000,1058,1082]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="vanhoe">
<emphasis id="B916EAC7FFF3976EF7191529589EFBF3" box="[892,1000,1058,1082]" italics="true" pageId="55" pageNumber="1562">S. vanhoe</emphasis>
</taxonomicName>
<emphasis id="B916EAC7FFF3976EF78C1529588FFBF3" bold="true" box="[1001,1017,1058,1082]" pageId="55" pageNumber="1562">V</emphasis>
<emphasis id="B916EAC7FFF3976EF79C15285F6FFBF3" box="[1017,1049,1059,1082]" italics="true" pageId="55" pageNumber="1562">eni</emphasis>
the hydrothecae are more robust and the cusps of the hydrothecal aperture are blunt and separated by shallow embayments. In
<taxonomicName id="4C624D56FFF3976EF616156A599EFBB0" authorityName="Blanco" authorityYear="2014" box="[627,744,1121,1145]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="exochus">
<emphasis id="B916EAC7FFF3976EF616156A599EFBB0" box="[627,744,1121,1145]" italics="true" pageId="55" pageNumber="1562">S. exochus</emphasis>
</taxonomicName>
the hydrothecae are adnate to the internode for more than half the adcauline wall, there is a marked in exion point where the adcauline wall becomes free, and the hydrothecal cusps are blunt and separated by shallow embayments. Moreover, the hydrothecae are distinctly smaller.
</paragraph>
<paragraph id="8BDD36D5FFF3976EF4D6140A5B8DFA70" blockId="55.[140,1095,707,1560]" pageId="55" pageNumber="1562">
<emphasis id="B916EAC7FFF3976EF4D6140A5878FAD0" box="[179,782,1281,1305]" italics="true" pageId="55" pageNumber="1562">
Ecology and distribution. Symplectoscyphu
<taxonomicName id="4C624D56FFF3976EF6C614095878FAD0" authority="Peña Cantero, 2002" authorityName="Peña Cantero" authorityYear="2002" box="[675,782,1281,1305]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1510" phylum="Cnidaria" rank="species" species="weddelli" status="sp. nov.">s weddelli</taxonomicName>
</emphasis>
<taxonomicNameLabel id="A22557BCFFF3976EF773140A5807FAD1" box="[790,881,1281,1304]" pageId="55" pageNumber="1562" rank="species">sp. nov.</taxonomicNameLabel>
has been collected at depths from
<quantity id="4C9A9B30FFF3976EF52C142A5A90FAF1" box="[329,486,1313,1337]" metricMagnitude="2" metricUnit="m" metricValue="2.545" metricValueMax="3.9" metricValueMin="1.19" pageId="55" pageNumber="1562" unit="m" value="254.5" valueMax="390.0" valueMin="119.0">119 to 390 m</quantity>
, on muddy and rocky bottoms. It has been found growing on uncalcifed Bryozoa, polychaete tubes and
<taxonomicName id="4C624D56FFF3976EF763144A580EFA90" box="[774,888,1345,1369]" class="Hydrozoa" kingdom="Animalia" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="class">Hydrozoa</taxonomicName>
[
<taxonomicName id="4C624D56FFF3976EF7EF144A5A2AFAB0" authority="(Jaderholm, 1904)" baseAuthorityName="Jaderholm" baseAuthorityYear="1904" class="Hydrozoa" family="Lafoeidae" genus="Billardia" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="subrufa">
<emphasis id="B916EAC7FFF3976EF7EF144A5F30FA90" box="[906,1094,1345,1369]" italics="true" pageId="55" pageNumber="1562">Billardia subrufa</emphasis>
(Jäderholm, 1904)
</taxonomicName>
]. It is used as substratum by other hydroids (
<taxonomicName id="4C624D56FFF3976EF707146A5892FAB0" box="[866,996,1377,1401]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="undetermined">
<emphasis id="B916EAC7FFF3976EF707146A58CAFAB0" box="[866,956,1377,1401]" italics="true" pageId="55" pageNumber="1562">Filellum</emphasis>
sp.
</taxonomicName>
). Fertile colonies of
<taxonomicName id="4C624D56FFF3976EF57A148A5927FA50" authority="Peña Cantero, 2002" authorityName="Peña Cantero" authorityYear="2002" box="[287,593,1409,1433]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1562" phylum="Cnidaria" rank="species" species="weddelli" status="sp. nov.">
<emphasis id="B916EAC7FFF3976EF57A148A5927FA50" box="[287,593,1409,1433]" italics="true" pageId="55" pageNumber="1562">Symplectoscyphus weddelli</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22557BCFFF3976EF604148A59B5FA51" box="[609,707,1409,1432]" pageId="55" pageNumber="1562" rank="species">sp. nov.</taxonomicNameLabel>
were collected in January and February.
</paragraph>
<paragraph id="8BDD36D5FFF3976EF4D614CB5B86F9D1" blockId="55.[140,1095,707,1560]" pageId="55" pageNumber="1562">
<emphasis id="B916EAC7FFF3976EF4D614CB5AABFA11" box="[179,477,1472,1496]" italics="true" pageId="55" pageNumber="1562">
Symplectoscyphu
<taxonomicName id="4C624D56FFF3976EF51714CA5AABFA11" authorityName="Peña Cantero" authorityYear="2002" box="[370,477,1472,1496]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="55" pageNumber="1510" phylum="Cnidaria" rank="species" species="weddelli">s weddelli</taxonomicName>
</emphasis>
occurs along the south and east coasts of the Weddell Sea (oV Ronne Ice Shelf,
<collectingCountry id="F3757645FFF3976EF5CA14EB595DFA31" box="[431,555,1504,1528]" name="Heard Island and McDonald Islands" pageId="55" pageNumber="1562">McDonald</collectingCountry>
Ice Rumples, Riiser-Larsen Ice Shelf and Atka Iceport).
</paragraph>
</subSubSection>
</treatment>
</document>