144 lines
16 KiB
XML
144 lines
16 KiB
XML
<document id="559C23A29F4D5E6E244E87B606299FE8" ID-CLB-Dataset="27893" ID-DOI="10.11646/zootaxa.4526.1.1" ID-GBIF-Dataset="4d211ac6-cbb8-4ef7-b710-44d4f34873ef" ID-ISSN="1175-5326" ID-Zenodo-Dep="2611359" ID-ZooBank="028FC5EA-7123-4F3A-B6C4-5EBE57ADBE23" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1553697037932" checkinUser="plazi" docAuthor="Maggioni, Tamara, Taverna, Anabela, Reyna, Paola B., Alurralde, Gastón, Rimondino, Clara & Tatián, Marcos" docDate="2018" docId="A0769C75756AFFB60BB636721799370F" docLanguage="en" docName="zootaxa.4526.1.1.pdf" docOrigin="Zootaxa 4526 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Styela squamosa Herdman 1881" docType="treatment" docVersion="7" lastPageNumber="20" masterDocId="5C4FE40D7579FFA50B2135631216313A" masterDocTitle="Deep-sea ascidians (Chordata, Tunicata) from the SW Atlantic: species richness with descriptions of two new species" masterLastPageNumber="28" masterPageNumber="1" pageNumber="20" updateTime="1698714174642" updateUser="ExternalLinkService">
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<mods:title id="501D6EECC79C4FC74902F202DF476961">Deep-sea ascidians (Chordata, Tunicata) from the SW Atlantic: species richness with descriptions of two new species</mods:title>
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<mods:namePart id="ED92FE0EFC71D3482C20A4D4402AB13B">Maggioni, Tamara</mods:namePart>
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<mods:namePart id="F78DC9F113C84BCB744676897FB0430C">Taverna, Anabela</mods:namePart>
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<mods:namePart id="6D72C37E89D1BC48D531AF5B6FF443EA">Reyna, Paola B.</mods:namePart>
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<mods:namePart id="22DD4C9F88331C36570B438B4FB14175">Alurralde, Gastón</mods:namePart>
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<mods:namePart id="C50AC2634287537808769DA5345EBAF0">Rimondino, Clara</mods:namePart>
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<mods:namePart id="DD3FC02017D317567D96B1C189489B4F">Tatián, Marcos</mods:namePart>
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<mods:title id="50389B96F90228699C1BD9C823AA2448">Zootaxa</mods:title>
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<mods:date id="49986B7259169A608C9C930EC560A968">2018</mods:date>
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<mods:number id="DA8F9A0D945F7190344CFAB26BC7CA67">2018-11-28</mods:number>
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<mods:number id="AB75412EEBD1C58F1BB79FC4D730310D">4526</mods:number>
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<treatment id="A0769C75756AFFB60BB636721799370F" ID-DOI="http://doi.org/10.5281/zenodo.5995354" ID-GBIF-Taxon="154507601" ID-Zenodo-Dep="5995354" LSID="urn:lsid:plazi:treatment:A0769C75756AFFB60BB636721799370F" httpUri="http://treatment.plazi.org/id/A0769C75756AFFB60BB636721799370F" lastPageNumber="20" pageId="19" pageNumber="20">
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<subSubSection id="60C57EE8756AFFB60BB63672103E3211" box="[151,552,785,811]" pageId="19" pageNumber="20" type="nomenclature">
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<paragraph id="28602D63756AFFB60BB63672103E3211" blockId="19.[151,552,785,811]" box="[151,552,785,811]" pageId="19" pageNumber="20">
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<heading id="73289A0F756AFFB60BB63672103E3211" bold="true" box="[151,552,785,811]" fontSize="11" level="1" pageId="19" pageNumber="20" reason="1">
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<taxonomicName id="EFDF56E0756AFFB60BB63672103E3211" ID-CoL="538CC" authority="Herdman, 1881" authorityName="Herdman" authorityYear="1881" box="[151,552,785,811]" class="Ascidiacea" family="Styelidae" genus="Styela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stolidobranchia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="squamosa">
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<emphasis id="1AABF171756AFFB60BB63672103E3211" bold="true" box="[151,552,785,811]" pageId="19" pageNumber="20">
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<emphasis id="1AABF171756AFFB60BB6367213483211" bold="true" box="[151,350,785,811]" italics="true" pageId="19" pageNumber="20">Styela squamosa</emphasis>
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<bibRefCitation id="4C4E5092756AFFB60A473672103E3211" author="Herdman, W. A." box="[358,552,785,811]" pageId="19" pageNumber="20" pagination="52 - 58" refId="ref12635" refString="Herdman, W. A. (1881) Preliminary report on the Tunicata of the Challenger Expedition. Part III. Cynthidae. Proceedings of the Royal Society of Edinburgh, 11 (3), 52 - 58." type="journal article" year="1881">Herdman, 1881</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="60C57EE8756AFFB60BB6363B137E32B6" pageId="19" pageNumber="20" type="reference_group">
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<paragraph id="28602D63756AFFB60BB6363B137E32B6" blockId="19.[151,1436,856,908]" pageId="19" pageNumber="20">
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<emphasis id="1AABF171756AFFB60BB6363B13A53254" bold="true" box="[151,435,856,878]" pageId="19" pageNumber="20">References and synonymy</emphasis>
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:
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<taxonomicName id="EFDF56E0756AFFB60AE3363B112E3254" ID-CoL="538CC" authority="Herdman 1881: 66" authorityName="Herdman" authorityPageNumber="66" authorityYear="1881" box="[450,824,856,878]" class="Ascidiacea" family="Styelidae" genus="Styela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stolidobranchia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="squamosa">
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<emphasis id="1AABF171756AFFB60AE3363B107D3254" box="[450,619,856,878]" italics="true" pageId="19" pageNumber="20">Styela squamosa</emphasis>
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<bibRefCitation id="4C4E5092756AFFB60955363B11063254" author="Herdman, W. A." box="[628,784,856,878]" pageId="19" pageNumber="20" pagination="52 - 58" refId="ref12635" refString="Herdman, W. A. (1881) Preliminary report on the Tunicata of the Challenger Expedition. Part III. Cynthidae. Proceedings of the Royal Society of Edinburgh, 11 (3), 52 - 58." type="journal article" year="1881">Herdman 1881</bibRefCitation>
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: 66
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</taxonomicName>
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;
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<bibRefCitation id="4C4E5092756AFFB60865363B166E3254" author="Sanamyan, K. E. & Sanamyan, N. P." box="[836,1144,856,878]" pageId="19" pageNumber="20" pagination="307 - 344" refId="ref14816" refString="Sanamyan, K. E. & Sanamyan, N. P. (2006) Deep-water ascidians (Tunicata: Ascidiacea) from the northern and western Pacific. Journal of Natural History, 40 (5 - 6), 307 - 344. https: // doi. org / 10.1080 / 00222930600628416" type="journal article" year="2006">Sanamyan & Sanamyan 2006</bibRefCitation>
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: 321, figs. 7–9 (synonymy); 2012: 67, fig. 3.
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</paragraph>
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</subSubSection>
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<subSubSection id="60C57EE8756AFFB60BB636DA12C3342C" pageId="19" pageNumber="20" type="materials_examined">
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<paragraph id="28602D63756AFFB60BB636DA130A32CC" blockId="19.[151,1437,953,1590]" pageId="19" pageNumber="20">
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<emphasis id="1AABF171756AFFB60BB636DA136A32E8" bold="true" box="[151,380,953,978]" pageId="19" pageNumber="20">Material examined</emphasis>
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: One individual; trawl; -37.9651 lat. -54.5320 long. (station 10);
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<quantity id="EF278086756AFFB60F5B36D916C332EB" box="[1146,1237,954,978]" metricMagnitude="3" metricUnit="m" metricValue="1.144" pageId="19" pageNumber="20" unit="m" value="1144.0">1144 m</quantity>
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;
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<date id="5C610BA3756AFFB60FC536D9178A32E8" box="[1252,1436,954,978]" pageId="19" pageNumber="20" value="2012-08-11">11 August 2012</date>
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(
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<figureCitation id="B0E431E6756AFFB60BBF36BE131932CC" box="[158,271,989,1014]" captionStart="FIGURE 12" captionStartId="20.[151,250,1143,1165]" captionTargetBox="[159,1424,185,1133]" captionTargetId="figure@20.[159,1424,185,1133]" captionTargetPageId="20" captionText="FIGURE 12. Styela squamosa Herdman, 1881: dorsal view." httpUri="https://zenodo.org/record/2611385/files/figure.png" pageId="19" pageNumber="20">Figure 12</figureCitation>
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).
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</paragraph>
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<paragraph id="28602D63756AFFB60BE6316212C3342C" blockId="19.[151,1437,953,1590]" pageId="19" pageNumber="20">
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The specimen measures
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<quantity id="EF278086756AFFB60AFC3161103C3523" box="[477,554,1026,1050]" metricMagnitude="-2" metricUnit="m" metricValue="1.9" pageId="19" pageNumber="20" unit="cm" value="1.9">1.9 cm</quantity>
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high and
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<quantity id="EF278086756AFFB609BC316110FC3523" box="[669,746,1026,1050]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="19" pageNumber="20" unit="cm" value="1.2">1.2 cm</quantity>
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wide. It was found completely covered by a thick and tough layer of sediment, with rests of sand and pebbles (
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<figureCitation id="B0E431E6756AFFB609E5314611013504" box="[708,791,1061,1086]" captionStart="FIGURE 12" captionStartId="20.[151,250,1143,1165]" captionTargetBox="[159,1424,185,1133]" captionTargetId="figure@20.[159,1424,185,1133]" captionTargetPageId="20" captionText="FIGURE 12. Styela squamosa Herdman, 1881: dorsal view." httpUri="https://zenodo.org/record/2611385/files/figure.png" pageId="19" pageNumber="20">Fig. 12</figureCitation>
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). There are 18 oral tentacles disposed on the margin of an oral velum. The muscle fibers are densely packed and equally distributed on both sides. The branchial sac has four well developed folds on each side. Thin parastigmatic vessels are present. The stomach presents 24 well-marked folds and bears a small straight pyloric caecum. The border of the anus is triangular and ends near the atrial opening. There is one sinuously curved gonad on each side. The ovary is long and narrow. The small testicular follicles are placed around the distal part of each ovary. Numerous endocarps are distributed on both sides of the body.
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</paragraph>
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</subSubSection>
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<subSubSection id="60C57EE8756AFFB60BE630421799370F" pageId="19" pageNumber="20" type="discussion">
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<paragraph id="28602D63756AFFB60BE630421799370F" blockId="19.[151,1437,953,1590]" pageId="19" pageNumber="20">
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<emphasis id="1AABF171756AFFB60BE63042132D3400" bold="true" box="[199,315,1313,1338]" pageId="19" pageNumber="20">Remarks.</emphasis>
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<taxonomicName id="EFDF56E0756AFFB60A65304210163403" authorityName="Herdman" authorityYear="1881" box="[324,512,1313,1337]" class="Ascidiacea" family="Styelidae" genus="Styela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stolidobranchia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="squamosa">
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<emphasis id="1AABF171756AFFB60A65304210163403" box="[324,512,1313,1337]" italics="true" pageId="19" pageNumber="20">Styela squamosa</emphasis>
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</taxonomicName>
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has been described from most ocean basins in the world, except from the North Atlantic and Indian Oceans, at depths ranging from
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<quantity id="EF278086756AFFB609FD302611943467" box="[732,898,1349,1374]" metricMagnitude="3" metricUnit="m" metricValue="2.5825" metricValueMax="5.0" metricValueMin="0.16499999999999998" pageId="19" pageNumber="20" unit="m" value="2582.5" valueMax="5000.0" valueMin="165.0">165 to 5000 m</quantity>
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. This data permits to classify
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<taxonomicName id="EFDF56E0756AFFB60FF13025174A3467" authorityName="Herdman" authorityYear="1881" box="[1232,1372,1350,1373]" class="Ascidiacea" family="Styelidae" genus="Styela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stolidobranchia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="squamosa">
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<emphasis id="1AABF171756AFFB60FF13025174A3467" box="[1232,1372,1350,1373]" italics="true" pageId="19" pageNumber="20">S. squamosa</emphasis>
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</taxonomicName>
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as an eurybathic and cosmopolitan deep-sea species (
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<bibRefCitation id="4C4E5092756AFFB6099E300A119B34B8" author="Monniot, C." box="[703,909,1385,1410]" pageId="19" pageNumber="20" pagination="255 - 359" refId="ref13630" refString="Monniot, C. (1993) Tunicata: sur trois especes d'ascidies bathyales recoltees au cours de la campagne franco-indonesienne Karubar. In: Crosnier, A. (Ed.), Resultats des Campagnes Musorstom, 11, pp. 255 - 359." type="journal article" year="1993">Monniot C. 1993</bibRefCitation>
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). There is, though, some degree of character variation that falls into the range of standard intra-specific variability. Our specimen encountered off La Plata River (SW Atlantic), is closest to the description made by
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<bibRefCitation id="4C4E5092756AFFB609FA30D111B634F0" author="Sanamyan, K. E." box="[731,928,1458,1482]" pageId="19" pageNumber="20" pagination="187 - 194" refId="ref14664" refString="Sanamyan, K. E. (1992) Ascidians from the sea of Okhotsk collected by R. V. " Novoulyanovsk ". Ophelia, 36 (3), 187 - 194. https: // doi. org / 10.1080 / 00785326.1992.10430369" type="journal article" year="1992">Sanamyan (1992)</bibRefCitation>
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of a few individuals from the Sea of Okhotsk (NW Pacific) in relation to the shape of the border of the anus. While previous descriptions state that the border of the anus is bilobed, Sanamyan´s specimens as well as ours, present a triangular border. The only difference between our specimen and all the rest resides in the number of oral tentacles:
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ours and around
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<quantity id="EF278086756AFFB60FD7337D1739370C" box="[1270,1327,1565,1590]" metricMagnitude="-1" metricUnit="m" metricValue="7.62" pageId="19" pageNumber="20" unit="in" value="30.0">30 in</quantity>
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the rest.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |