<document id="294436784A9E619DC06FBEE9E983B503" ID-DOI="10.1080/00222930310001647361" ID-ISSN="1464-5262" ID-Zenodo-Dep="5250382" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629850360425" checkinUser="felipe" docAuthor="Cantero, A. L. Peña, Svoboda, A. & Vervoort, W." docDate="2004" docId="002E150CFFC0055AFE43FB0899E84E44" docLanguage="en" docName="JNatHist.38.18.2269-2303.pdf" docOrigin="Journal of Natural History 38 (18)" docSource="http://dx.doi.org/10.1080/00222930310001647361" docStyle="DocumentStyle:B3570C21952C5CF44265488F0CE432D6.2:JNatHist.2003-2004.journal_article.2cover" docStyleId="B3570C21952C5CF44265488F0CE432D6" docStyleName="JNatHist.2003-2004.journal_article.2cover" docStyleVersion="2" docTitle="Filellum magnificum Cantero & Svoboda & Vervoort 2004, sp. nov." docType="treatment" docVersion="3" lastPageNumber="2289" masterDocId="FC176D74FFD4054CFFA8FFD498214D21" masterDocTitle="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" masterLastPageNumber="2303" masterPageNumber="2269" pageNumber="2287" updateTime="1699120881556" updateUser="plazi" zenodo-license-document="CLOSED"> <mods:mods id="584C59D129ACDFE4B425B49BF01BE7FE" xmlns:mods="http://www.loc.gov/mods/v3"> <mods:titleInfo id="4F89A1A25022635A80107128784BD4A4"> <mods:title id="44E217BCB8C04D81FF9749B0AC05E685">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</mods:title> </mods:titleInfo> <mods:name id="AA6BB4DFCF9C1B4238FA48583097A750" type="personal"> <mods:role id="81E92AB901B94EBD6427E6631AD4FE03"> <mods:roleTerm id="515D1C673462DB1733880E7DB4CC76EE">Author</mods:roleTerm> </mods:role> <mods:namePart id="ED4EBB7DAF3F0D21D62F7B6F33922A93">Cantero, A. L. Peña</mods:namePart> </mods:name> <mods:name id="5CE6BDD7C527B3D2EE17299010D5E587" type="personal"> <mods:role id="D32D26B23113DC07A0583B97B93987C3"> <mods:roleTerm id="17E66BD8ADCBCB00F88265BAA5A92E27">Author</mods:roleTerm> </mods:role> <mods:namePart id="C1D815D1C82403781379AC2EC32C9D0D">Svoboda, A.</mods:namePart> </mods:name> <mods:name id="5395186E4CF1096AE995047341E28F33" type="personal"> <mods:role id="A304C721FCF448D11AD8330B81350058"> <mods:roleTerm id="F33176EB6275FBFBD3701181D46B4750">Author</mods:roleTerm> </mods:role> <mods:namePart id="CF3B95DFBD542E34B9F042DC481DD77A">Vervoort, W.</mods:namePart> </mods:name> <mods:typeOfResource id="04623E82FBADFFEFDBE13EE66644CDC5">text</mods:typeOfResource> <mods:relatedItem id="107813829E7221AEB8A286E333DD01C2" type="host"> <mods:titleInfo id="F9557E873A851342DDB3C8A548582F68"> <mods:title id="C8F9432A003E153202DFAF0FEC57F283">Journal of Natural History</mods:title> </mods:titleInfo> <mods:part id="D987B5465468E26537EC2175A263B907"> <mods:date id="B345C82F0F1C384B80BEBD7D59AD85A3">2004</mods:date> <mods:detail id="7E449A8B6605EC3530076952CFF5585F" type="pubDate"> <mods:number id="F06618D4E0F6CC946C10F661552C572B">2004-09-10</mods:number> </mods:detail> <mods:detail id="2FDCCEC2F8E2D53B8C18EEF4387E5C8D" type="volume"> <mods:number id="595A061F2A944DFD6862D34DA3C166E7">38</mods:number> </mods:detail> <mods:detail id="388EDFC857C2432A49EE3D2B8F7B7F09" type="issue"> <mods:number id="48B129DA4A5167CBE2739ADAC70D10F9">18</mods:number> </mods:detail> <mods:extent id="422054540EE7D9A49820751FA9A85E26" unit="page"> <mods:start id="51680BAAA5256F5A7C237DC0720BA47E">2269</mods:start> <mods:end id="9332AF0B352131417617F6705454D20F">2303</mods:end> </mods:extent> </mods:part> </mods:relatedItem> <mods:location id="97F00E5D92FB5DAF89CB5A48AE42212F"> <mods:url id="81429A355AAEE1E0A002963FDBBFC551">http://dx.doi.org/10.1080/00222930310001647361</mods:url> </mods:location> <mods:classification id="C26D7649576480C2E61B8723FE94E50A">journal article</mods:classification> <mods:identifier id="AC62AD193AFCF934ABCAE61A2D9279E2" type="DOI">10.1080/00222930310001647361</mods:identifier> <mods:identifier id="B52919DFE3955D91A15546AA0C9F52FB" type="ISSN">1464-5262</mods:identifier> <mods:identifier id="D9AA7BF98E2D76987BEC4BC9C46963AD" type="Zenodo-Dep">5250382</mods:identifier> </mods:mods> <treatment id="002E150CFFC0055AFE43FB0899E84E44" LSID="urn:lsid:plazi:treatment:002E150CFFC0055AFE43FB0899E84E44" httpUri="http://treatment.plazi.org/id/002E150CFFC0055AFE43FB0899E84E44" lastPageId="22" lastPageNumber="2289" pageId="20" pageNumber="2287"> <subSubSection id="C09DF791FFC00558FE43FB089B1649D5" box="[491,823,1244,1268]" pageId="20" pageNumber="2287" type="nomenclature"> <paragraph id="8838A41AFFC00558FE43FB089B1649D5" blockId="20.[491,823,1244,1268]" box="[491,823,1244,1268]" pageId="20" pageNumber="2287"> <heading id="D3701376FFC00558FE43FB089B1649D5" box="[491,823,1244,1268]" centered="true" fontSize="10" level="2" pageId="20" pageNumber="2287" reason="5"> <taxonomicName id="4F87DF99FFC00558FE43FB089AF149D5" ID-CoL="6J382" authority="Cantero & Svoboda & Vervoort, 2004" authorityName="Cantero & Svoboda & Vervoort" authorityYear="2004" box="[491,720,1244,1268]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="20" pageNumber="2287" phylum="Cnidaria" rank="species" species="magnificum" status="sp. nov."> <emphasis id="BAF37808FFC00558FE43FB089AF149D5" bold="true" box="[491,720,1244,1268]" italics="true" pageId="20" pageNumber="2287">Filellum magnificum</emphasis> </taxonomicName> <taxonomicNameLabel id="A1C0C573FFC00558FD73FB089B1649D5" box="[731,823,1244,1268]" pageId="20" pageNumber="2287" rank="species">sp. nov.</taxonomicNameLabel> </heading> </paragraph> </subSubSection> <subSubSection id="C09DF791FFC0055AFE56FB2F99E84E44" lastPageId="22" lastPageNumber="2289" pageId="20" pageNumber="2287" type="description"> <paragraph id="8838A41AFFC00558FE56FB2F9B044832" blockId="20.[510,805,1275,1299]" box="[510,805,1275,1299]" pageId="20" pageNumber="2287"> ( <figureCitation id="10BCB89FFFC00558FDADFB2F9A854832" box="[517,676,1275,1299]" captionStart="FIG" captionStartId="15.[154,170,1603,1625]" captionTargetBox="[161,1107,207,1558]" captionTargetId="figure-0@15.[154,1111,202,1565]" captionTargetPageId="15" captionText="FIG. 2. (A, B) Acryptolaria sp., hydrothecae; (C–F) Filellum antarcticum (Hartlaub, 1904), hydrothecae; (G, H) Filellum magnificum sp. nov., hydrothecae. (A from ANT II-4 Stn 450; B from ANT IX-3 Stn 207; C, D from neotype; E from ANT VIII-5 Stn 16-403; F, H from ANT VIII-5 Stn 16-481; G from ANT II-4 Stn 502.) Scale bar: 500 Mm (A, B); 200 Mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5250388" httpUri="https://zenodo.org/record/5250388/files/figure.png" pageId="20" pageNumber="2287">figures 2G, H</figureCitation> , <figureCitation id="10BCB89FFFC00558FD1BFB2F9AE34832" box="[691,706,1275,1299]" captionStart="FIG" captionStartId="21.[154,170,1310,1332]" captionTargetBox="[361,903,170,1277]" captionTargetId="figure-120@21.[361,904,170,1277]" captionTargetPageId="21" captionText="FIG. 5. Filellum magnificum sp. nov. (A) General view of a coppinia; (B) egg and gonothecal apertures; (C) detail of gonothecal aperture. (All photographs from holotype.)." figureDoi="http://doi.org/10.5281/zenodo.5250396" httpUri="https://zenodo.org/record/5250396/files/figure.png" pageId="20" pageNumber="2287">5</figureCitation> ; <tableCitation id="C50591A1FFC00558FD7AFB2F9B3B4832" box="[722,794,1275,1299]" captionStart="Table 1" captionStartId="18.[328,386,170,192]" captionText="Table 1. Measurements of the species of Filellum (in Mm)." pageId="20" pageNumber="2287">table 1</tableCitation> ) </paragraph> <paragraph id="8838A41AFFC00558FF6FFAF99B8948C5" blockId="20.[159,1116,1325,1733]" pageId="20" pageNumber="2287"> <emphasis id="BAF37808FFC00558FF6FFAF999894864" box="[199,424,1325,1349]" italics="true" pageId="20" pageNumber="2287">Material examined.</emphasis> ANT I-2 Stn 135, a few hydrothecae on <taxonomicName id="4F87DF99FFC00558FC18FAF99C7A4864" baseAuthorityName="Vanhoffen" baseAuthorityYear="1910" box="[944,1115,1325,1349]" class="Hydrozoa" family="Campanulinidae" genus="Stegella" kingdom="Animalia" order="Leptothecata" pageId="20" pageNumber="2287" phylum="Cnidaria" rank="species" species="lobata"> <emphasis id="BAF37808FFC00558FC18FAF99C7A4864" box="[944,1115,1325,1349]" italics="true" pageId="20" pageNumber="2287">Stegella lobata</emphasis> </taxonomicName> (RMNH-Coel. 30779); ANT II-4 Stn 474, numerous hydrothecae on <taxonomicName id="4F87DF99FFC00558FC53FA9998D348A4" baseAuthorityName="Jaderholm" baseAuthorityYear="1904" class="Hydrozoa" family="Lafoeidae" genus="Billardia" kingdom="Animalia" order="Leptothecata" pageId="20" pageNumber="2287" phylum="Cnidaria" rank="species" species="subrufa"> <emphasis id="BAF37808FFC00558FC53FA9998D348A4" italics="true" pageId="20" pageNumber="2287">Billardia subrufa</emphasis> </taxonomicName> (RMNH-Coel. 30788); ANT II-4 Stn 502, several hydrothecae on <taxonomicName id="4F87DF99FFC00558FBA2FAB998EC4884" baseAuthorityName="Jaderholm" baseAuthorityYear="1904" class="Hydrozoa" family="Lafoeidae" genus="Billardia" kingdom="Animalia" order="Leptothecata" pageId="20" pageNumber="2287" phylum="Cnidaria" rank="species" species="subrufa"> <emphasis id="BAF37808FFC00558FBA2FAB998EC4884" italics="true" pageId="20" pageNumber="2287">B. subrufa</emphasis> </taxonomicName> , with coppinia ( <typeStatus id="573C1AB8FFC00558FE08FA589A294885" box="[416,520,1420,1444]" pageId="20" pageNumber="2287" type="holotype">holotype</typeStatus> , RMNH-Coel. 30789); ANT VIII-5 Stn 16-481, several hydrothecae on spicules of a sponge (RMNH-Coel. 30802); ANT IX-3 Stn 158, several hydrothecae on <taxonomicName id="4F87DF99FFC00558FD88FA199AB748C4" baseAuthorityName="Jaderholm" baseAuthorityYear="1904" box="[544,662,1485,1509]" class="Hydrozoa" family="Lafoeidae" genus="Billardia" kingdom="Animalia" order="Leptothecata" pageId="20" pageNumber="2287" phylum="Cnidaria" rank="species" species="subrufa"> <emphasis id="BAF37808FFC00558FD88FA199AB748C4" box="[544,662,1485,1509]" italics="true" pageId="20" pageNumber="2287">B. subrufa</emphasis> </taxonomicName> (RMNH-Coel. 30806). </paragraph> <paragraph id="8838A41AFFC00559FF6FFA399BE04892" blockId="20.[159,1116,1325,1733]" lastBlockId="21.[154,1111,1401,1595]" lastPageId="21" lastPageNumber="2288" pageId="20" pageNumber="2287"> <emphasis id="BAF37808FFC00558FF6FFA39996F4B24" box="[199,334,1517,1541]" italics="true" pageId="20" pageNumber="2287">Description.</emphasis> Colony stolonal, composed of creeping stolons giving rise to partially sessile hydrothecae. Hydrotheca tubular, sock-shaped and adnate to substratum for just a tiny portion ( <figureCitation id="10BCB89FFFC00558FDB3F9F89A914B65" box="[539,688,1580,1604]" captionStart="FIG" captionStartId="15.[154,170,1603,1625]" captionTargetBox="[161,1107,207,1558]" captionTargetId="figure-0@15.[154,1111,202,1565]" captionTargetPageId="15" captionText="FIG. 2. (A, B) Acryptolaria sp., hydrothecae; (C–F) Filellum antarcticum (Hartlaub, 1904), hydrothecae; (G, H) Filellum magnificum sp. nov., hydrothecae. (A from ANT II-4 Stn 450; B from ANT IX-3 Stn 207; C, D from neotype; E from ANT VIII-5 Stn 16-403; F, H from ANT VIII-5 Stn 16-481; G from ANT II-4 Stn 502.) Scale bar: 500 Mm (A, B); 200 Mm (C–H)." figureDoi="http://doi.org/10.5281/zenodo.5250388" httpUri="https://zenodo.org/record/5250388/files/figure.png" pageId="20" pageNumber="2287">figure 2G, H</figureCitation> ). Hydrothecal aperture circular; rim even and smooth, though indistinctly everted. Free part of hydrotheca directed upwards at a varied degree. Frequently with few, long renovations. Adnate part of hydrothecae provided with a few striae on dorsal side. Cnidome consisting of two size-classes of nematocysts (e.g. ANT II-4 Stn 502): small (6.5–7.262.9 <emphasis id="BAF37808FFC00558FB86F9799C1C4BE4" box="[1070,1085,1709,1733]" italics="true" pageId="20" pageNumber="2287">M</emphasis> m) and occasional large (18.265.2 <emphasis id="BAF37808FFC10559FDBDFAAD9A0548B0" box="[533,548,1401,1425]" italics="true" pageId="21" pageNumber="2288">M</emphasis> m). In the material from ANT VIII-5 Stn 16- 481 only the small nematocysts were observed (5.9–7.262.6–3.3 <emphasis id="BAF37808FFC10559FC25FA4F9BBD4892" box="[909,924,1435,1459]" italics="true" pageId="21" pageNumber="2288">M</emphasis> m). </paragraph> <caption id="DCF8F492FFC10559FF32FACA9C38486E" ID-DOI="http://doi.org/10.5281/zenodo.5250396" ID-Zenodo-Dep="5250396" httpUri="https://zenodo.org/record/5250396/files/figure.png" pageId="21" pageNumber="2288" startId="21.[154,170,1310,1332]" targetBox="[361,903,170,1277]" targetPageId="21"> <paragraph id="8838A41AFFC10559FF32FACA9C38486E" blockId="21.[154,1110,1310,1359]" pageId="21" pageNumber="2288"> FIG. 5. <taxonomicName id="4F87DF99FFC10559FF5CFACA999E4812" authority="Cantero & Svoboda & Vervoort, 2004" authorityName="Cantero & Svoboda & Vervoort" authorityYear="2004" box="[244,447,1310,1331]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="21" pageNumber="2288" phylum="Cnidaria" rank="species" species="magnificum" status="sp. nov."> <emphasis id="BAF37808FFC10559FF5CFACA999E4812" box="[244,447,1310,1331]" italics="true" pageId="21" pageNumber="2288">Filellum magnificum</emphasis> </taxonomicName> <taxonomicNameLabel id="A1C0C573FFC10559FE6EFACA9A364815" box="[454,535,1310,1332]" pageId="21" pageNumber="2288" rank="species">sp. nov.</taxonomicNameLabel> (A) General view of a coppinia; (B) egg and gonothecal apertures; (C) detail of gonothecal aperture. (All photographs from holotype.). </paragraph> </caption> <paragraph id="8838A41AFFC10559FF6AFA699C774B1A" blockId="21.[154,1111,1401,1595]" pageId="21" pageNumber="2288"> Coppinia consisting of firmly adpressed gonothecae with defensive tubes ( <figureCitation id="10BCB89FFFC10559FB98FA6998C848D6" captionStart="FIG" captionStartId="21.[154,170,1310,1332]" captionTargetBox="[361,903,170,1277]" captionTargetId="figure-120@21.[361,904,170,1277]" captionTargetPageId="21" captionText="FIG. 5. Filellum magnificum sp. nov. (A) General view of a coppinia; (B) egg and gonothecal apertures; (C) detail of gonothecal aperture. (All photographs from holotype.)." figureDoi="http://doi.org/10.5281/zenodo.5250396" httpUri="https://zenodo.org/record/5250396/files/figure.png" pageId="21" pageNumber="2288">figure 5A</figureCitation> ). Defensive tubes situated on periphery of the group of gonothecae, but also arising amongst those gonothecae ( <figureCitation id="10BCB89FFFC10559FDD8F9D59AFA4B38" box="[624,731,1537,1561]" captionStart="FIG" captionStartId="21.[154,170,1310,1332]" captionTargetBox="[361,903,170,1277]" captionTargetId="figure-120@21.[361,904,170,1277]" captionTargetPageId="21" captionText="FIG. 5. Filellum magnificum sp. nov. (A) General view of a coppinia; (B) egg and gonothecal apertures; (C) detail of gonothecal aperture. (All photographs from holotype.)." figureDoi="http://doi.org/10.5281/zenodo.5250396" httpUri="https://zenodo.org/record/5250396/files/figure.png" pageId="21" pageNumber="2288">figure 5A</figureCitation> ), and provided with large distal circular aperture. Gonothecal aperture circular, situated on a short and distinctly </paragraph> <paragraph id="8838A41AFFC10559FF32F9929A064B7F" blockId="21.[154,1111,1606,1732]" box="[154,551,1606,1630]" pageId="21" pageNumber="2288"> everted, distal neck ( <figureCitation id="10BCB89FFFC10559FE25F9929A3B4B7F" box="[397,538,1606,1630]" captionStart="FIG" captionStartId="21.[154,170,1310,1332]" captionTargetBox="[361,903,170,1277]" captionTargetId="figure-120@21.[361,904,170,1277]" captionTargetPageId="21" captionText="FIG. 5. Filellum magnificum sp. nov. (A) General view of a coppinia; (B) egg and gonothecal apertures; (C) detail of gonothecal aperture. (All photographs from holotype.)." figureDoi="http://doi.org/10.5281/zenodo.5250396" httpUri="https://zenodo.org/record/5250396/files/figure.png" pageId="21" pageNumber="2288">figure 5B, C</figureCitation> ). </paragraph> <paragraph id="8838A41AFFC1055AFF6AF9BC9C134F44" blockId="21.[154,1111,1606,1732]" lastBlockId="22.[159,1116,173,869]" lastPageId="22" lastPageNumber="2289" pageId="21" pageNumber="2288"> <emphasis id="BAF37808FFC10559FF6AF9BC9A3E4BA1" box="[194,543,1640,1664]" italics="true" pageId="21" pageNumber="2288"> Remarks. <taxonomicName id="4F87DF99FFC10559FE90F9BC9A3E4BA1" authority="Cantero & Svoboda & Vervoort, 2004" authorityName="Cantero & Svoboda & Vervoort" authorityYear="2004" box="[312,543,1640,1664]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="21" pageNumber="2288" phylum="Cnidaria" rank="species" species="magnificum" status="sp. nov.">Filellum magnificum</taxonomicName> </emphasis> <taxonomicNameLabel id="A1C0C573FFC10559FD83F9BC9AA84BA1" box="[555,649,1640,1664]" pageId="21" pageNumber="2288" rank="species">sp. nov.</taxonomicNameLabel> is allied to <taxonomicName id="4F87DF99FFC10559FCB7F9BC9BE64BA1" baseAuthorityName="Hartlaub" baseAuthorityYear="1904" box="[799,967,1640,1664]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="21" pageNumber="2288" phylum="Cnidaria" rank="species" species="antarcticum"> <emphasis id="BAF37808FFC10559FCB7F9BC9BE64BA1" box="[799,967,1640,1664]" italics="true" pageId="21" pageNumber="2288">F. antarcticum</emphasis> </taxonomicName> and <taxonomicName id="4F87DF99FFC10559FBA2F9BC98FD4B83" baseAuthorityName="Clarke" baseAuthorityYear="1879" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="21" pageNumber="2288" phylum="Cnidaria" rank="species" species="serratum"> <emphasis id="BAF37808FFC10559FBA2F9BC98FD4B83" italics="true" pageId="21" pageNumber="2288">F. serratum</emphasis> </taxonomicName> by the presence of striae, but it is clearly distinguishable by the larger size of the hydrothecae, especially the larger diameter of the hydrothecal aperture (cf. <tableCitation id="C50591A1FFC2055AFF67FF7999394DE4" box="[207,280,173,197]" captionStart="Table 1" captionStartId="18.[328,386,170,192]" captionText="Table 1. Measurements of the species of Filellum (in Mm)." pageId="22" pageNumber="2289">table 1</tableCitation> ). <taxonomicName id="4F87DF99FFC2055AFE9CFF7A9A394DE7" authority="Cantero & Svoboda & Vervoort, 2004" authorityName="Cantero & Svoboda & Vervoort" authorityYear="2004" box="[308,536,174,198]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="magnificum" status="sp. nov."> <emphasis id="BAF37808FFC2055AFE9CFF7A9A394DE7" box="[308,536,174,198]" italics="true" pageId="22" pageNumber="2289">Filellum magnificum</emphasis> </taxonomicName> <taxonomicNameLabel id="A1C0C573FFC2055AFD8CFF799AA04DE4" box="[548,641,173,197]" pageId="22" pageNumber="2289" rank="species">sp. nov.</taxonomicNameLabel> also shares with <taxonomicName id="4F87DF99FFC2055AFCFBFF7A9BF64DE7" baseAuthorityName="Clarke" baseAuthorityYear="1879" box="[851,983,174,198]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="serratum"> <emphasis id="BAF37808FFC2055AFCFBFF7A9BF64DE7" box="[851,983,174,198]" italics="true" pageId="22" pageNumber="2289">F. serratum</emphasis> </taxonomicName> the bottleshaped gonothecae, provided with a short and strongly everted distal neck bearing the aperture. However, they differ because in <taxonomicName id="4F87DF99FFC2055AFD46FF3A9B524C27" baseAuthorityName="Clarke" baseAuthorityYear="1879" box="[750,883,238,262]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="serratum"> <emphasis id="BAF37808FFC2055AFD46FF3A9B524C27" box="[750,883,238,262]" italics="true" pageId="22" pageNumber="2289">F. serratum</emphasis> </taxonomicName> the defensive tubes are closed, arise amongst the gonothecae and branch over them forming a protective canopy, whereas in <taxonomicName id="4F87DF99FFC2055AFE4FFEFA9AAD4C67" authority="Cantero & Svoboda & Vervoort, 2004" authorityName="Cantero & Svoboda & Vervoort" authorityYear="2004" box="[487,652,301,326]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="magnificum" status="sp. nov."> <emphasis id="BAF37808FFC2055AFE4FFEFA99D64C67" box="[487,503,302,326]" italics="true" pageId="22" pageNumber="2289">F</emphasis> . <emphasis id="BAF37808FFC2055AFDA4FEFA9AAD4C67" box="[524,652,302,326]" italics="true" pageId="22" pageNumber="2289">magnificum</emphasis> </taxonomicName> <taxonomicNameLabel id="A1C0C573FFC2055AFD31FEF99ADA4C64" box="[665,763,301,325]" pageId="22" pageNumber="2289" rank="species">sp. nov.</taxonomicNameLabel> , the defensive tubes are provided with a distal aperture and, though some defensive tubes arise amongst the gonothecae, most of them are situated on the periphery of the mass of gonothecae like a fence, arching over the gonothecae. Moreover, in <taxonomicName id="4F87DF99FFC2055AFC36FE5A9C094C87" baseAuthorityName="Clarke" baseAuthorityYear="1879" box="[926,1064,398,422]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="serratum"> <emphasis id="BAF37808FFC2055AFC36FE5A9C094C87" box="[926,1064,398,422]" italics="true" pageId="22" pageNumber="2289">F. serratum</emphasis> </taxonomicName> the gonothecae are much shorter and slightly wider. On the other hand, <taxonomicName id="4F87DF99FFC2055AFC75FE7A98ED4CC4" authority="Cantero & Svoboda & Vervoort, 2004" authorityName="Cantero & Svoboda & Vervoort" authorityYear="2004" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="magnificum" status="sp. nov."> <emphasis id="BAF37808FFC2055AFC75FE7A9BCC4CE7" box="[989,1005,430,454]" italics="true" pageId="22" pageNumber="2289">F</emphasis> . <emphasis id="BAF37808FFC2055AFBA9FE7A98ED4CC4" italics="true" pageId="22" pageNumber="2289">magnificum</emphasis> </taxonomicName> <taxonomicNameLabel id="A1C0C573FFC2055AFF72FE19991A4CC4" box="[218,315,461,485]" pageId="22" pageNumber="2289" rank="species">sp. nov.</taxonomicNameLabel> also differs from <taxonomicName id="4F87DF99FFC2055AFDB6FE199AE64CC4" baseAuthorityName="Hartlaub" baseAuthorityYear="1904" box="[542,711,461,485]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="antarcticum"> <emphasis id="BAF37808FFC2055AFDB6FE199AE64CC4" box="[542,711,461,485]" italics="true" pageId="22" pageNumber="2289">F. antarcticum</emphasis> </taxonomicName> by the shape of the gonothecae, since in Hartlaub’s species they are deprived of a distal neck and the defensive tubes are always situated at the periphery of the gonothecal mass. <taxonomicName id="4F87DF99FFC2055AFC16FDDA98CE4F64" authority="Cantero & Svoboda & Vervoort, 2004" authorityName="Cantero & Svoboda & Vervoort" authorityYear="2004" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="magnificum" status="sp. nov."> <emphasis id="BAF37808FFC2055AFC16FDDA98CE4F64" italics="true" pageId="22" pageNumber="2289">Filellum magnificum</emphasis> </taxonomicName> <taxonomicNameLabel id="A1C0C573FFC2055AFF55FDF9997C4F64" box="[253,349,557,581]" pageId="22" pageNumber="2289" rank="species">sp. nov.</taxonomicNameLabel> also differs from <taxonomicName id="4F87DF99FFC2055AFD96FDF99AC64F64" baseAuthorityName="Hartlaub" baseAuthorityYear="1904" box="[574,743,557,581]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="antarcticum"> <emphasis id="BAF37808FFC2055AFD96FDF99AC64F64" box="[574,743,557,581]" italics="true" pageId="22" pageNumber="2289">F. antarcticum</emphasis> </taxonomicName> and <taxonomicName id="4F87DF99FFC2055AFC84FDF99B924F64" baseAuthorityName="Clarke" baseAuthorityYear="1879" box="[812,947,557,581]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="serratum"> <emphasis id="BAF37808FFC2055AFC84FDF99B924F64" box="[812,947,557,581]" italics="true" pageId="22" pageNumber="2289">F. serratum</emphasis> </taxonomicName> by the larger size of the nematocysts, especially concerning the larger size-class (cf. <tableCitation id="C50591A1FFC2055AFC71FD999C034F44" box="[985,1058,589,613]" captionStart="Table 1" captionStartId="18.[328,386,170,192]" captionText="Table 1. Measurements of the species of Filellum (in Mm)." pageId="22" pageNumber="2289">table 1</tableCitation> ). </paragraph> <paragraph id="8838A41AFFC2055AFF6FFDBA9A5A4E04" blockId="22.[159,1116,173,869]" pageId="22" pageNumber="2289"> <emphasis id="BAF37808FFC2055AFF6FFDBA9AF64FA7" box="[199,727,622,646]" italics="true" pageId="22" pageNumber="2289"> Ecology and distribution. <taxonomicName id="4F87DF99FFC2055AFE59FDBA9AF64FA7" authority="Cantero & Svoboda & Vervoort, 2004" authorityName="Cantero & Svoboda & Vervoort" authorityYear="2004" box="[497,727,622,646]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="magnificum" status="sp. nov.">Filellum magnificum</taxonomicName> </emphasis> <taxonomicNameLabel id="A1C0C573FFC2055AFD4AFDB99B614FA4" box="[738,832,621,645]" pageId="22" pageNumber="2289" rank="species">sp. nov.</taxonomicNameLabel> was collected at depths from <quantity id="4F7F09FFFFC2055AFF4CFD5999A54F84" box="[228,388,653,677]" metricMagnitude="2" metricUnit="m" metricValue="4.225" metricValueMax="6.4" metricValueMin="2.05" pageId="22" pageNumber="2289" unit="m" value="422.5" valueMax="640.0" valueMin="205.0"> 205 to <specimenCount id="9E816F93FFC2055AFE96FD5999A54F84" box="[318,388,653,677]" pageId="22" pageNumber="2289" type="generic">640 m</specimenCount> </quantity> . Fertile material was found in February. It has been found epibiotic, mainly on hydroids ( <taxonomicName id="4F87DF99FFC2055AFDBDFD7A9AF44FE7" baseAuthorityName="Jaderholm" baseAuthorityYear="1904" box="[533,725,686,710]" class="Hydrozoa" family="Lafoeidae" genus="Billardia" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="subrufa"> <emphasis id="BAF37808FFC2055AFDBDFD7A9AF44FE7" box="[533,725,686,710]" italics="true" pageId="22" pageNumber="2289">Billardia subrufa</emphasis> </taxonomicName> and <taxonomicName id="4F87DF99FFC2055AFCB3FD7A9B954FE4" box="[795,948,685,710]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="undetermined"> <emphasis id="BAF37808FFC2055AFCB3FD7A9BA74FE7" box="[795,902,686,710]" italics="true" pageId="22" pageNumber="2289">Halecium</emphasis> sp. </taxonomicName> ), but also on sponges. <taxonomicName id="4F87DF99FFC2055AFEA5FD1999D54FC4" authority="Cantero & Svoboda & Vervoort, 2004" authorityName="Cantero & Svoboda & Vervoort" authorityYear="2004" box="[269,500,717,741]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="magnificum" status="sp. nov."> <emphasis id="BAF37808FFC2055AFEA5FD1999D54FC4" box="[269,500,717,741]" italics="true" pageId="22" pageNumber="2289">Filellum magnificum</emphasis> </taxonomicName> <taxonomicNameLabel id="A1C0C573FFC2055AFDA8FD199A7E4FC4" box="[512,607,717,741]" pageId="22" pageNumber="2289" rank="species">sp. nov.</taxonomicNameLabel> originates from the south and east coasts of the Weddell Sea (off Ronne Ice Shelf, off Riiser-Larsen Ice Shelf and off Cape <collectingCountry id="F090E48AFFC2055AFF4DFCD999734E04" box="[229,338,781,805]" name="Norway" pageId="22" pageNumber="2289">Norvegia</collectingCountry> , Princess Martha Coast). </paragraph> <paragraph id="8838A41AFFC2055AFF6FFCF999E84E44" blockId="22.[159,1116,173,869]" pageId="22" pageNumber="2289"> <emphasis id="BAF37808FFC2055AFF6FFCF999694E64" box="[199,328,813,837]" italics="true" pageId="22" pageNumber="2289">Etymology.</emphasis> The specific name <taxonomicName id="4F87DF99FFC2055AFD96FCF99A9F4E64" authorityName="Cantero & Svoboda & Vervoort" authorityYear="2004" box="[574,702,813,837]" class="Hydrozoa" family="Lafoeidae" genus="Filellum" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="2289" phylum="Cnidaria" rank="species" species="magnificum"> <emphasis id="BAF37808FFC2055AFD96FCF99A9F4E64" box="[574,702,813,837]" italics="true" pageId="22" pageNumber="2289">magnificum</emphasis> </taxonomicName> refers to the relatively large and conspicuous hydrothecae. </paragraph> </subSubSection> </treatment> </document>