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<document id="709223BD90954D4A6748648852AB9393" ID-CLB-Dataset="27992" ID-DOI="10.11646/zootaxa.4570.1.1" ID-GBIF-Dataset="66601a1e-ba16-41b2-b182-0fd80e75ccba" ID-ISSN="1175-5326" ID-Zenodo-Dep="2608527" ID-ZooBank="EF369E98-EBD9-4647-B081-65AD1794A27C" IM.bibliography_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1553591750157" checkinUser="plazi" docAuthor="Soto, Joan J. &amp; Peña, Álvaro L." docDate="2019" docId="03B887B7A47BFFE7E983FE57FC6C98B9" docLanguage="en" docName="zootaxa.4570.1.1.pdf" docOrigin="Zootaxa 4570 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Filellum Hincks 1868" docType="treatment" docVersion="8" lastPageNumber="22" masterDocId="FF81FFCFA46EFFF2E914FFEFFFBB9B7E" masterDocTitle="Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica)" masterLastPageNumber="78" masterPageNumber="1" pageNumber="22" updateTime="1698713421926" updateUser="ExternalLinkService">
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<mods:title id="49680E7E4792A18D649AFA69293C72F6">Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica)</mods:title>
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<mods:namePart id="5F0502EFC4D63C3CE2D035C6209B26E0">Soto, Joan J.</mods:namePart>
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<treatment id="03B887B7A47BFFE7E983FE57FC6C98B9" ID-DOI="http://doi.org/10.5281/zenodo.5934913" ID-GBIF-Taxon="154497152" ID-Zenodo-Dep="5934913" LSID="urn:lsid:plazi:treatment:03B887B7A47BFFE7E983FE57FC6C98B9" httpUri="http://treatment.plazi.org/id/03B887B7A47BFFE7E983FE57FC6C98B9" lastPageNumber="22" pageId="21" pageNumber="22">
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<paragraph id="8BAE36A1A47BFFE7E983FE57FC709AAC" blockId="21.[151,971,440,499]" box="[151,971,440,466]" pageId="21" pageNumber="22">
<heading id="D0E681CDA47BFFE7E983FE57FC709AAC" bold="true" box="[151,971,440,466]" fontSize="11" level="1" pageId="21" pageNumber="22" reason="1">
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<taxonomicName id="4C114D22A47BFFE7E983FE57FF449AAC" ID-CoL="7P2GD" authorityName="Hincks" authorityYear="1868" box="[151,255,440,466]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="21" pageNumber="22" phylum="Cnidaria" rank="genus">
<emphasis id="B965EAB3A47BFFE7E983FE57FF449AAC" bold="true" box="[151,255,440,466]" italics="true" pageId="21" pageNumber="22">Filellum</emphasis>
</taxonomicName>
cf.
<emphasis id="B965EAB3A47BFFE7E838FE57FE049AAC" bold="true" box="[300,447,440,466]" italics="true" pageId="21" pageNumber="22">magnificum</emphasis>
<bibRefCitation id="EF804B50A47BFFE7E8D1FE57FC709AAC" author="Pena Cantero, A. L. &amp; Svoboda, A. &amp; Vervoort, W." box="[453,971,440,466]" pageId="21" pageNumber="22" pagination="2269 - 2303" refId="ref45606" refString="Pena Cantero, A. L., Svoboda, A. &amp; Vervoort, W. (2004) Antarctic hydroids (Cnidaria: Hydrozoa) of the families Campanulinidae, Lafoeidae and Campanulariidae from recent Antarctic expeditions with R. V. Polarstern, with the description of a new species. Journal of Natural History, 38, 2269 - 2303. https: // doi. org / 10.1080 / 00222930310001647361" type="journal article" year="2004">Peña Cantero, Svoboda &amp; Vervoort, 2004</bibRefCitation>
</emphasis>
</heading>
</paragraph>
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<subSubSection id="C30B652AA47BFFE7E983FE35FF439A8D" box="[151,248,474,499]" pageId="21" pageNumber="22" type="description">
<paragraph id="8BAE36A1A47BFFE7E983FE35FF439A8D" blockId="21.[151,971,440,499]" box="[151,248,474,499]" pageId="21" pageNumber="22">
(
<figureCitation id="132A2A24A47BFFE7E98BFE35FF4B9A8D" box="[159,240,474,499]" captionStart="FIGURE 6" captionStartId="20.[151,250,1877,1899]" captionTargetBox="[166,1421,277,1843]" captionTargetId="figure@20.[151,1436,267,1855]" captionTargetPageId="20" captionText="FIGURE 6. ab Acryptolaria frigida: a stem; b hydrotheca; cf Filellum antarcticum: c hydrotheca; d coppinia; e section of a coppinia showing gonothecae and eggs; f detail of gonothecal aperture. g Filellum cf. magnificum: hydrotheca. h Filellum cf. bouvetensis: hydrotheca. ij Lafoea dumosa: i stem; j detail of the stem showing hydrothecal arrangement. k Lafoea gaussica: hydrotheca. l-m Abietinella operculata: l stems; m detail of the stem showing hydrothecal arrangement. n Hebella cf. plana: hydrotheca." httpUri="https://zenodo.org/record/2608539/files/figure.png" pageId="21" pageNumber="22">
Fig.
<quantity id="4CE99B44A47BFFE7E9C0FE35FF4B9A8D" box="[212,240,474,499]" metricMagnitude="-3" metricUnit="kg" metricValue="6.0" pageId="21" pageNumber="22" unit="g" value="6.0">6g</quantity>
</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C30B652AA47BFFE7E983FDCDFA9D99FD" pageId="21" pageNumber="22" type="materials_examined">
<paragraph id="8BAE36A1A47BFFE7E983FDCDFA9D99FD" blockId="21.[151,1436,546,967]" pageId="21" pageNumber="22">
<emphasis id="B965EAB3A47BFFE7E983FDCDFE3C9945" bold="true" box="[151,391,546,571]" pageId="21" pageNumber="22">Material examined.</emphasis>
<emphasis id="B965EAB3A47BFFE7E880FDCCFDB79945" box="[404,524,547,571]" italics="true" pageId="21" pageNumber="22">ANT XV/3</emphasis>
:
<emphasis id="B965EAB3A47BFFE7EB35FDCDFDCB9945" bold="true" box="[545,624,546,571]" pageId="21" pageNumber="22">48-150</emphasis>
, some hydrothecae, on
<taxonomicName id="4C114D22A47BFFE7EA87FDCBFC4F9945" authorityName="Puce, Cerrano &amp; Bavestrello" authorityYear="2002" box="[915,1012,548,571]" class="Hydrozoa" family="Eudendriidae" genus="Eudendrium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Anthoathecata" pageId="21" pageNumber="22" phylum="Cnidaria" rank="species" species="scotti">
<emphasis id="B965EAB3A47BFFE7EA87FDCBFC4F9945" box="[915,1012,548,571]" italics="true" pageId="21" pageNumber="22">E. scotti</emphasis>
</taxonomicName>
;
<emphasis id="B965EAB3A47BFFE7ED1EFDCDFBE19945" bold="true" box="[1034,1114,546,571]" pageId="21" pageNumber="22">48-220</emphasis>
, some hydrothecae, on
<taxonomicName id="4C114D22A47BFFE7EC68FDCCFF4A9921" authorityName="Blanco" authorityYear="1982" class="Hydrozoa" family="Sertulariidae" genus="Symplectoscyphus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="21" pageNumber="22" phylum="Cnidaria" rank="species" species="exochus">
<emphasis id="B965EAB3A47BFFE7EC68FDCCFF4A9921" italics="true" pageId="21" pageNumber="22">Sy. exochus</emphasis>
</taxonomicName>
;
<emphasis id="B965EAB3A47BFFE7E814FDA9FEEB9921" bold="true" box="[256,336,582,607]" pageId="21" pageNumber="22">48-276</emphasis>
, several hydrothecae, on
<taxonomicName id="4C114D22A47BFFE7EB7BFDA8FD6B9920" authorityName="Pena Cantero, Svoboda &amp; Vervoort" authorityYear="1996" box="[623,720,583,606]" class="Hydrozoa" family="Halopterididae" genus="Schizotricha" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="21" pageNumber="22" phylum="Cnidaria" rank="species" species="nana">
<emphasis id="B965EAB3A47BFFE7EB7BFDA8FD6B9920" box="[623,720,583,606]" italics="true" pageId="21" pageNumber="22">Sc. nana</emphasis>
</taxonomicName>
;
<emphasis id="B965EAB3A47BFFE7EBCBFDA8FCE09921" box="[735,859,583,607]" italics="true" pageId="21" pageNumber="22">ANT XXI/2</emphasis>
:
<emphasis id="B965EAB3A47BFFE7EA7EFDA9FC629921" bold="true" box="[874,985,582,607]" pageId="21" pageNumber="22">PS65/166</emphasis>
, numerous hydrothecae, on
<taxonomicName id="4C114D22A47BFFE7EC03FDA8FA2F9920" authorityName="Pena Cantero &amp; Vervoort" authorityYear="1997" box="[1303,1428,583,606]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="21" pageNumber="22" phylum="Cnidaria" rank="species" species="erratum">
<emphasis id="B965EAB3A47BFFE7EC03FDA8FA2F9920" box="[1303,1428,583,606]" italics="true" pageId="21" pageNumber="22">O. erratum</emphasis>
</taxonomicName>
;
<emphasis id="B965EAB3A47BFFE7E983FD85FEBE99FD" bold="true" box="[151,261,618,643]" pageId="21" pageNumber="22">PS65/274</emphasis>
, numerous hydrothecae, on
<taxonomicName id="4C114D22A47BFFE7EB56FD85FAA499FD" authority="Pena Cantero, Svoboda &amp; Vervoort, 1997" authorityName="Pena Cantero, Svoboda &amp; Vervoort" authorityYear="1997" box="[578,1311,618,643]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="21" pageNumber="22" phylum="Cnidaria" rank="species" species="nonscripta">
<emphasis id="B965EAB3A47BFFE7EB56FD85FCFD99FD" box="[578,838,618,643]" italics="true" pageId="21" pageNumber="22">Staurotheca nonscripta</emphasis>
Peña Cantero,
<bibRefCitation id="EF804B50A47BFFE7EAE6FD85FAA499FD" author="Svoboda, A. &amp; Stepanjants, S. &amp; Smirnov, I." box="[1010,1311,618,643]" pageId="21" pageNumber="22" pagination="22 - 25" refId="ref47372" refString="Svoboda, A., Stepanjants, S. &amp; Smirnov, I. (1997) Two polar Hydractinia species (Cnidaria), epibiotic on two closely related brittle stars (Echinodermata): an example for taxonomic and ecological bipolarity. In: Battaglia, B., Valencia, J. &amp; Walton, D. W. H. (Eds.), Antarctic Communities: Species, Structure and Survival. Cambridge University Press, Cambridge, pp. 22 - 25" type="book chapter" year="1997">Svoboda &amp; Vervoort, 1997</bibRefCitation>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C30B652AA47BFFE7E9D3FD61FAE79825" pageId="21" pageNumber="22" type="discussion">
<paragraph id="8BAE36A1A47BFFE7E9D3FD61FF44986D" blockId="21.[151,1436,546,967]" pageId="21" pageNumber="22">
<emphasis id="B965EAB3A47BFFE7E9D3FD61FE8099D9" bold="true" box="[199,315,654,679]" pageId="21" pageNumber="22">Remarks.</emphasis>
In spite of the absence of coppinia, the size of the hydrotheca and the size of the nematocysts perfectly agree with previous reports (
<bibRefCitation id="EF804B50A47BFFE7EB5DFD5CFC9D99B5" author="Pena Cantero, A. L." box="[585,806,691,715]" pageId="21" pageNumber="22" pagination="761 - 773" refId="ref44152" refString="Pena Cantero, A. L. (2010) Benthic hydroids (Cnidaria: Hydrozoa) from Peter I Island (Southern Ocean, Antarctica). Polar Biology, 33, 761 - 773. https: // doi. org / 10.1007 / s 00300 - 009 - 0754 - 7" type="journal article" year="2010">Peña Cantero 2010</bibRefCitation>
, Peña Cantero
<emphasis id="B965EAB3A47BFFE7EAC7FD5BFBB699B5" box="[979,1037,690,715]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
2004,
<bibRefCitation id="EF804B50A47BFFE7ED49FD5CFF6F9991" author="Soto Angel, J. J. &amp; Pena Cantero, A. L." pageId="21" pageNumber="22" pagination="983 - 1007" refId="ref46725" refString="Soto Angel, J. J. &amp; Pena Cantero, A. L. (2015) On the benthic hydroids from the Scotia Arc (Southern Ocean): new insights into their biodiversity, ecology and biogeography. Polar Biology, 38, 983 - 1007. https: // doi. org / 10.1007 / s 00300 - 015 - 1660 - 9" type="journal article" year="2015">Soto Àngel &amp; Peña Cantero 2015</bibRefCitation>
). However, in agreement with Peña Cantero
<emphasis id="B965EAB3A47BFFE7EBD3FD38FD449991" box="[711,767,726,751]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
(1998), the identification of infertile material of
<taxonomicName id="4C114D22A47BFFE7EC37FD39FA399991" authorityName="Hincks" authorityYear="1868" box="[1315,1410,726,751]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="21" pageNumber="22" phylum="Cnidaria" rank="genus">
<emphasis id="B965EAB3A47BFFE7EC37FD39FA399991" box="[1315,1410,726,751]" italics="true" pageId="21" pageNumber="22">Filellum</emphasis>
</taxonomicName>
is tentative.
</paragraph>
<paragraph id="8BAE36A1A47BFFE7E983FCF1FAE79825" blockId="21.[151,1436,546,967]" pageId="21" pageNumber="22">Cnidome consisting of large microbasic mastigophores [range 17.519.0 x 4.56.0 µm, mean 18.1±0.6 x 5.4±0.8 µm (n=4)] and small microbasic euryteles [range 6.07.5 x 2.53.5 µm, mean 6.9±0.4 x 2.8±0.3 µm (n=13)].</paragraph>
</subSubSection>
<subSubSection id="C30B652AA47BFFE7E9D3FC89FC6C98B9" pageId="21" pageNumber="22" type="biology_ecology">
<paragraph id="8BAE36A1A47BFFE7E9D3FC89FC6C98B9" blockId="21.[151,1436,546,967]" pageId="21" pageNumber="22">
<emphasis id="B965EAB3A47BFFE7E9D3FC89FE479801" bold="true" box="[199,508,870,895]" pageId="21" pageNumber="22">Ecology and distribution.</emphasis>
Previously known from 85 (
<bibRefCitation id="EF804B50A47BFFE7EA5AFC88FB969801" author="Pena Cantero, A. L." box="[846,1069,871,895]" pageId="21" pageNumber="22" pagination="761 - 773" refId="ref44152" refString="Pena Cantero, A. L. (2010) Benthic hydroids (Cnidaria: Hydrozoa) from Peter I Island (Southern Ocean, Antarctica). Polar Biology, 33, 761 - 773. https: // doi. org / 10.1007 / s 00300 - 009 - 0754 - 7" type="journal article" year="2010">Peña Cantero 2010</bibRefCitation>
) to
<quantity id="4CE99B44A47BFFE7ED4BFC89FB129800" box="[1119,1193,870,895]" metricMagnitude="2" metricUnit="m" metricValue="6.4" pageId="21" pageNumber="22" unit="m" value="640.0">640 m</quantity>
(Peña Cantero
<emphasis id="B965EAB3A47BFFE7EC75FC88FA279801" box="[1377,1436,870,895]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
2004); present material collected at depths from
<quantity id="4CE99B44A47BFFE7EBD8FC65FCD698DC" box="[716,877,906,931]" metricMagnitude="2" metricUnit="m" metricValue="4.97" metricValueMax="7.58" metricValueMin="2.36" pageId="21" pageNumber="22" unit="m" value="497.0" valueMax="758.0" valueMin="236.0">
236 to
<specimenCount id="9D17FD28A47BFFE7EA34FC65FCD698DC" box="[800,877,906,931]" pageId="21" pageNumber="22" type="generic">758 m</specimenCount>
</quantity>
. Only known from Peter I
<collectingCountry id="F3067631A47BFFE7EDBFFC65FB5498DD" box="[1195,1263,906,931]" name="Iceland" pageId="21" pageNumber="22">Island</collectingCountry>
(
<bibRefCitation id="EF804B50A47BFFE7EC15FC64FF6A98B9" author="Pena Cantero, A. L." pageId="21" pageNumber="22" pagination="761 - 773" refId="ref44152" refString="Pena Cantero, A. L. (2010) Benthic hydroids (Cnidaria: Hydrozoa) from Peter I Island (Southern Ocean, Antarctica). Polar Biology, 33, 761 - 773. https: // doi. org / 10.1007 / s 00300 - 009 - 0754 - 7" type="journal article" year="2010">Peña Cantero 2010</bibRefCitation>
) and the Weddell Sea (Peña Cantero
<emphasis id="B965EAB3A47BFFE7EB65FC40FD1298B9" box="[625,681,942,967]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
2004; material examined).
</paragraph>
</subSubSection>
</treatment>
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