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<document id="487E489AAF7C20663891388E62474E61" ID-DOI="10.1080/00222930210155701" ID-ISSN="1464-5262" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629979948711" checkinUser="felipe" docAuthor="Cantero, A. L. Peña &amp; Vervoort, W." docDate="2003" docId="03FD87E371450900FE4AFCE6FE19BDFA" docLanguage="en" docName="JNatHist.37.22.2653-2722.pdf" docOrigin="Journal of Natural History 37 (22)" docSource="http://dx.doi.org/10.1080/00222930210155701" docStyle="DocumentStyle:443144A73DAE3E092C51A378E4CD0138.2:JNatHist.2003-2004.journal_article.1cover" docStyleId="443144A73DAE3E092C51A378E4CD0138" docStyleName="JNatHist.2003-2004.journal_article.1cover" docStyleVersion="2" docTitle="Staurotheca vanhoeffeni" docType="treatment" docVersion="3" lastPageNumber="2710" masterDocId="FFC4FF9B717D093AFFC2FFA7FFCEBE30" masterDocTitle="Species of Staurotheca Allman, 1888 (Cnidaria: Hydrozoa: Sertulariidae) from US Antarctic expeditions, with the description of three new species" masterLastPageNumber="2722" masterPageNumber="2653" pageNumber="2708" updateTime="1699133067467" updateUser="plazi" zenodo-license-document="CLOSED">
<mods:mods id="302E5FB47622708A51F1C45DAF87E4FA" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:title id="B02A05A52A9D9BACBD3BA78D1C18E807">Species of Staurotheca Allman, 1888 (Cnidaria: Hydrozoa: Sertulariidae) from US Antarctic expeditions, with the description of three new species</mods:title>
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</mods:role>
<mods:namePart id="EC45F6D23FBC654567BE0791E5D0E12C">Cantero, A. L. Peña</mods:namePart>
</mods:name>
<mods:name id="28AD7CF62D991FC2D3FF3CB341F68570" type="personal">
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<mods:namePart id="A2B07C46A1E0CA20ECC343B95FC45B63">Vervoort, W.</mods:namePart>
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<mods:title id="CCFE34E9D8471FDC57028AC4868B2B61">Journal of Natural History</mods:title>
</mods:titleInfo>
<mods:part id="1C2FCBDA6C41E0BC073C192E01CCAA68">
<mods:date id="427D677CC1691F96B0B8D141D154AA3B">2003</mods:date>
<mods:detail id="C804BC1224B48EFCB1A1BDEFA51D148B" type="pubDate">
<mods:number id="7F463A531114585578B4E896C12AECB9">2003-11-30</mods:number>
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<mods:detail id="9B572C9B45CD40E1B46251D77174E908" type="volume">
<mods:number id="4B6B258D9E4786B55B591A34E1447044">37</mods:number>
</mods:detail>
<mods:detail id="88AA6969086A75C0C22195D62A8AAB1A" type="issue">
<mods:number id="9AB12189BFE4E533FCBF511F8F4F4C92">22</mods:number>
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<mods:start id="40D2EE6B2653A9FC45519B97A1E27993">2653</mods:start>
<mods:end id="935584CD9C3FB8B061610E5923008E48">2722</mods:end>
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<mods:url id="A72F5BF6850298469B1138F2D5F3B612">http://dx.doi.org/10.1080/00222930210155701</mods:url>
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<mods:classification id="01A4405E1FB68BA8A127A37FBE7732E5">journal article</mods:classification>
<mods:identifier id="CEB2BA60DC27D8C49E6B1B09AD4C48E5" type="DOI">10.1080/00222930210155701</mods:identifier>
<mods:identifier id="9D26962E340B6E2304CF0A937893FB58" type="ISSN">1464-5262</mods:identifier>
</mods:mods>
<treatment id="03FD87E371450900FE4AFCE6FE19BDFA" ID-DOI="http://doi.org/10.5281/zenodo.5460131" ID-Zenodo-Dep="5460131" LSID="urn:lsid:plazi:treatment:03FD87E371450900FE4AFCE6FE19BDFA" httpUri="http://treatment.plazi.org/id/03FD87E371450900FE4AFCE6FE19BDFA" lastPageId="58" lastPageNumber="2710" pageId="56" pageNumber="2708">
<subSubSection id="C34E657E71450902FE4AFCE6FC9FBD4A" pageId="56" pageNumber="2708" type="nomenclature">
<paragraph id="8BEB36F571450902FE4AFCE6FB6ABD6A" blockId="56.[392,1188,833,858]" box="[392,1188,833,858]" pageId="56" pageNumber="2708">
<heading id="D0A3819971450902FE4AFCE6FB6ABD6A" box="[392,1188,833,858]" centered="true" fontSize="10" level="2" pageId="56" pageNumber="2708" reason="3">
<taxonomicName id="4C544D7671450902FE4AFCE6FB6ABD6A" authority="(Pena Cantero and Garcia Carrascosa, 1994)" baseAuthorityName="Pena Cantero and Garcia Carrascosa" baseAuthorityYear="1994" box="[392,1188,833,858]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="56" pageNumber="2708" phylum="Cnidaria" rank="species" species="vanhoeffeni">
<emphasis id="B920EAE771450902FE4AFCE6FD5DBD6A" bold="true" box="[392,659,833,858]" italics="true" pageId="56" pageNumber="2708">Staurotheca vanhoeffeni</emphasis>
(Peña Cantero and García Carrascosa, 1994)
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BEB36F571450902FD1EFCC5FC9FBD4A" blockId="56.[313,1269,866,1081]" box="[732,849,866,890]" pageId="56" pageNumber="2708">(figure 18)</paragraph>
</subSubSection>
<subSubSection id="C34E657E71450902FEFBFC24FCAFBA08" pageId="56" pageNumber="2708" type="reference_group">
<paragraph id="8BEB36F571450902FEFBFC24FC4FBDA9" blockId="56.[313,1269,866,1081]" box="[313,897,899,921]" pageId="56" pageNumber="2708">
<taxonomicName id="4C544D7671450902FEFBFC24FD3CBDA9" authority=": Vanhoffen, 1910: 331" authorityName="Vanhoffen" authorityPageNumber="331" authorityYear="1910" box="[313,754,899,921]" class="Hydrozoa" family="Sertulariidae" genus="Dictyocladium" kingdom="Animalia" order="Leptothecata" pageId="56" pageNumber="2708" phylum="Cnidaria" rank="species" species="affine">
<emphasis id="B920EAE771450902FEFBFC24FDC9BDA9" box="[313,519,899,921]" italics="true" pageId="56" pageNumber="2708">Dictyocladium affine</emphasis>
: Vanhöffen, 1910: 331
</taxonomicName>
, figure 44a–c.
</paragraph>
<paragraph id="8BEB36F571450902FEFBFC39FB81BD83" blockId="56.[313,1269,866,1081]" box="[313,1103,925,948]" pageId="56" pageNumber="2708">
<taxonomicName id="4C544D7671450902FEFBFC39FE1CBD84" baseAuthorityName="Jaderholm" baseAuthorityYear="1904" box="[313,466,926,948]" class="Hydrozoa" family="Sertulariidae" genus="Thuiaria" kingdom="Animalia" order="Leptothecata" pageId="56" pageNumber="2708" phylum="Cnidaria" rank="species" species="affinis">
<emphasis id="B920EAE771450902FEFBFC39FE1CBD84" box="[313,466,926,948]" italics="true" pageId="56" pageNumber="2708">Thuiaria affinis</emphasis>
</taxonomicName>
: Stepan’yants, 1979: 95, pl. 18 figure 1, pl. 24 figures D, E, I.
</paragraph>
<paragraph id="8BEB36F571450902FEFBFC1EFB9BBDFE" blockId="56.[313,1269,866,1081]" box="[313,1109,952,975]" pageId="56" pageNumber="2708">
<taxonomicName id="4C544D7671450902FEFBFC1EFC83BDFE" authority="Pena Cantero, 1991: 83 - 86" authorityName="Pena Cantero" authorityPageNumber="83 - 86" authorityYear="1991" box="[313,845,952,975]" class="Hydrozoa" family="Sertulariidae" genus="Selaginopsis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="56" pageNumber="2708" phylum="Cnidaria" rank="species" species="vanhoeffeni">
<emphasis id="B920EAE771450902FEFBFC1EFDE5BDFE" box="[313,555,953,975]" italics="true" pageId="56" pageNumber="2708">Selaginopsis vanhöeffeni</emphasis>
Peña Cantero, 1991: 83–86
</taxonomicName>
, pls 9, 43, pl. 65 figure a.
</paragraph>
<paragraph id="8BEB36F571450902FEFBFC74FB5ABA33" blockId="56.[313,1269,866,1081]" pageId="56" pageNumber="2708">
<taxonomicName id="4C544D7671450902FEFBFC74FBFBBDD8" authority="Pena Cantero and Garcia Carrascosa, 1994: 121" authorityName="Pena Cantero and Garcia Carrascosa" authorityPageNumber="121" authorityYear="1994" box="[313,1077,979,1001]" class="Hydrozoa" family="Sertulariidae" genus="Selaginopsis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="56" pageNumber="2708" phylum="Cnidaria" rank="species" species="vanhoeffeni">
<emphasis id="B920EAE771450902FEFBFC74FDE3BDD9" box="[313,557,979,1001]" italics="true" pageId="56" pageNumber="2708">Selaginopsis vanhoeffeni</emphasis>
Peña Cantero and García Carrascosa, 1994: 121
</taxonomicName>
, figure 3j–n; 1995: 32–35, figures 9A–J, 10A–E, 61D; Peña Cantero
<emphasis id="B920EAE771450902FC9FFC49FC47BA33" box="[861,905,1006,1027]" italics="true" pageId="56" pageNumber="2708">et al</emphasis>
., 1996: 1–10, figures 1–3.
</paragraph>
<paragraph id="8BEB36F571450902FEFBFBAFFCAFBA08" blockId="56.[313,1269,866,1081]" pageId="56" pageNumber="2708">
<taxonomicName id="4C544D7671450902FEFBFBAFFCB6BA2D" authority=": Pena Cantero et al., 1997: 337" authorityName="Pena Cantero" authorityPageNumber="337" authorityYear="1997" box="[313,888,1032,1054]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="56" pageNumber="2708" phylum="Cnidaria" rank="species" species="vanhoeffeni">
<emphasis id="B920EAE771450902FEFBFBAFFDE4BA2E" box="[313,554,1032,1054]" italics="true" pageId="56" pageNumber="2708">Staurotheca vanhoeffeni</emphasis>
: Peña Cantero
<emphasis id="B920EAE771450902FD12FBAEFD33BA2D" box="[720,765,1032,1054]" italics="true" pageId="56" pageNumber="2708">et al</emphasis>
., 1997: 337
</taxonomicName>
, 373–375, figure 12; 1999: 160; Peña Cantero and García Carrascosa, 1999: 212
<emphasis id="B920EAE771450902FCE3FB83FC92BA09" box="[801,860,1060,1081]" italics="true" pageId="56" pageNumber="2708">et seq</emphasis>
.
</paragraph>
</subSubSection>
<subSubSection id="C34E657E71450900FEA3FBF5FE19BDFA" lastPageId="58" lastPageNumber="2710" pageId="56" pageNumber="2708" type="materials_examined">
<paragraph id="8BEB36F571450902FEA3FBF5FD26BB19" blockId="56.[313,1269,1105,1736]" pageId="56" pageNumber="2708">
<emphasis id="B920EAE771450902FEA3FBF5FDBCBA5A" box="[353,626,1106,1130]" italics="true" pageId="56" pageNumber="2708">Material examined. 12</emphasis>
/
<emphasis id="B920EAE771450902FDB8FBF5FD61BA5A" box="[634,687,1106,1130]" italics="true" pageId="56" pageNumber="2708">1002</emphasis>
, one extremely fragmented stem (largest fragment
<emphasis id="B920EAE771450902FEFBFBD5FE9CBAB9" box="[313,338,1138,1161]" italics="true" pageId="56" pageNumber="2708">ca</emphasis>
<quantity id="4CAC9B1071450902FE9CFBD5FE66BAB9" box="[350,424,1138,1162]" metricMagnitude="-2" metricUnit="m" metricValue="9.0" pageId="56" pageNumber="2708" unit="mm" value="90.0">90 mm</quantity>
long), with female gonothecae (
<collectionCode id="ED45AE3071450902FCF2FBD5FC4BBABA" box="[816,901,1138,1162]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="56" pageNumber="2708" type="Museum">USNM</collectionCode>
1003287; RMNH-Coel. 30325;
<collectionCode id="ED45AE3071450902FEFBFB35FE5CBA9A" box="[313,402,1170,1194]" country="Spain" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" lsid="urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="56" pageNumber="2708" type="Museum">MNCN</collectionCode>
2.03/296);
<emphasis id="B920EAE771450902FDD2FB35FDE5BA9A" box="[528,555,1170,1194]" italics="true" pageId="56" pageNumber="2708">12</emphasis>
/
<emphasis id="B920EAE771450902FDF6FB35FDA7BA9A" box="[564,617,1170,1194]" italics="true" pageId="56" pageNumber="2708">1003</emphasis>
, numerous fragments up to
<quantity id="4CAC9B1071450902FC60FB36FC23BA99" box="[930,1005,1169,1193]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="56" pageNumber="2708" unit="mm" value="60.0">60 mm</quantity>
long (
<collectionCode id="ED45AE3071450902FBF4FB35FB45BA9A" box="[1078,1163,1170,1194]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="56" pageNumber="2708" type="Museum">USNM</collectionCode>
1003288; RMNH-Coel. 30326);
<emphasis id="B920EAE771450902FDFDFB15FD94BAFA" box="[575,602,1202,1226]" italics="true" pageId="56" pageNumber="2708">32</emphasis>
/
<emphasis id="B920EAE771450902FDA0FB15FD59BAFA" box="[610,663,1202,1226]" italics="true" pageId="56" pageNumber="2708">1995</emphasis>
, two fragments up to
<quantity id="4CAC9B1071450902FC58FB15FC16BAF9" box="[922,984,1202,1225]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="56" pageNumber="2708" unit="mm" value="7.0">7 mm</quantity>
long (
<collectionCode id="ED45AE3071450902FBE5FB15FBB2BAFA" box="[1063,1148,1202,1226]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="56" pageNumber="2708" type="Museum">USNM</collectionCode>
1003289);
<emphasis id="B920EAE771450902FEFBFB76FE9ABAD9" box="[313,340,1233,1257]" italics="true" pageId="56" pageNumber="2708">46</emphasis>
/
<emphasis id="B920EAE771450902FE9EFB76FE5FBAD9" box="[348,401,1233,1257]" italics="true" pageId="56" pageNumber="2708">5042</emphasis>
, several fragments and stems up to
<quantity id="4CAC9B1071450902FC90FB77FC53BAD9" box="[850,925,1232,1257]" metricMagnitude="-2" metricUnit="m" metricValue="8.5" pageId="56" pageNumber="2708" unit="mm" value="85.0">85 mm</quantity>
high, with male gonothecae (
<collectionCode id="ED45AE3071450902FE87FB56FE54BB39" box="[325,410,1265,1289]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="56" pageNumber="2708" type="Museum">USNM</collectionCode>
1003290; RMNH-Coel. 30327;
<collectionCode id="ED45AE3071450902FCD6FB56FCA3BB39" box="[788,877,1265,1289]" country="Spain" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" lsid="urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="56" pageNumber="2708" type="Museum">MNCN</collectionCode>
2.03/297);
<emphasis id="B920EAE771450902FC35FB56FBCABB39" box="[1015,1028,1265,1289]" italics="true" pageId="56" pageNumber="2708">6</emphasis>
/
<emphasis id="B920EAE771450902FBCFFB56FBFBBB39" box="[1037,1077,1265,1289]" italics="true" pageId="56" pageNumber="2708">418</emphasis>
, four fragments up to
<quantity id="4CAC9B1071450902FE42FAB6FE04BB19" box="[384,458,1297,1321]" metricMagnitude="-2" metricUnit="m" metricValue="1.8" pageId="56" pageNumber="2708" unit="mm" value="18.0">18 mm</quantity>
long (
<collectionCode id="ED45AE3071450902FDD8FAB6FDA1BB19" box="[538,623,1297,1321]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="56" pageNumber="2708" type="Museum">USNM</collectionCode>
1003291).
</paragraph>
<paragraph id="8BEB36F571450902FEA3FA95FDC5BBB8" blockId="56.[313,1269,1105,1736]" pageId="56" pageNumber="2708">
<emphasis id="B920EAE771450902FEA3FA95FE2EBB79" box="[353,480,1330,1353]" italics="true" pageId="56" pageNumber="2708">Description</emphasis>
. Material in fragmentary state, largest fragment up to
<quantity id="4CAC9B1071450902FBAAFA96FB7DBB78" box="[1128,1203,1329,1353]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="56" pageNumber="2708" unit="mm" value="60.0">60 mm</quantity>
long, with polysiphonic stem and branches. Branching in one plane, alternate or irregular; with anastomoses.
</paragraph>
<paragraph id="8BEB36F571450902FEA3FA36FBC7B8F8" blockId="56.[313,1269,1105,1736]" pageId="56" pageNumber="2708">Hydrothecae arranged in decussate verticils of three to four hydrothecae (figure 18A) forming six to eight longitudinal rows. Hydrothecae (figure 18A–F) immersed into the stem and branches for approximately half their volume and adnate for almost full adcauline length. In lateral view hydrotheca cylindrical and slightly curved outwards. In frontal view maximum hydrothecal diameter at the hydrothecal base, from where diameter smoothly decreasing towards the aperture. Abcauline hydrothecal wall slightly concave. Hydrothecal aperture circular and tilted downwards, forming an acute angle with long axis of stem. Rim of hydrotheca even, frequently with a few, short renovations. Diaphragm mushroom-shaped, with two abcauline projections pointing towards the hydrothecal lumen.</paragraph>
<caption id="DF2B667D71440903FEFBF9B2FC6FB84A" pageId="57" pageNumber="2709" startId="57.[313,329,1557,1578]" targetBox="[316,1266,182,1531]" targetPageId="57">
<paragraph id="8BEB36F571440903FEFBF9B2FC6FB84A" blockId="57.[313,1268,1556,1658]" pageId="57" pageNumber="2709">
F. 18.
<taxonomicName id="4C544D7671440903FE63F9B3FB93B81B" authority="(Pena Cantero and Garcia Carrascosa, 1994)" baseAuthorityName="Pena Cantero and Garcia Carrascosa" baseAuthorityYear="1994" box="[417,1117,1556,1579]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="57" pageNumber="2709" phylum="Cnidaria" rank="species" species="vanhoeffeni">
<emphasis id="B920EAE771440903FE63F9B3FD40B81A" box="[417,654,1556,1578]" italics="true" pageId="57" pageNumber="2709">Staurotheca vanhoeffeni</emphasis>
(Peña Cantero and García Carrascosa, 1994)
</taxonomicName>
. (A) Fragment of branch showing arrangement of hydrothecae in verticils; (B–F) hydrothecae; (G) female gonotheca; (H) male gonotheca. (A, C–G: Stn 12/1002; B, H: Stn 46/5042.) Scale bar: 1 mm (A), 900 Mm (G, H), 400 Mm (B–F).
</paragraph>
</caption>
<paragraph id="8BEB36F571470900FEA3FF12FBCFBF7C" blockId="58.[313,1269,181,970]" pageId="58" pageNumber="2710">Both male and female gonothecae present, originating at the hydrothecal base. Proximal part of female gonotheca (figure 18G) cone-shaped, distally with a wide neck bearing a strongly laterally depressed aperture due to the presence of two lips of approximately equal development. Male gonotheca fusiform (figure 18H), provided with a distal neck bearing a small, circular aperture.</paragraph>
<paragraph id="8BEB36F571470900FEA3FEF3FB2FBC7C" blockId="58.[313,1269,181,970]" pageId="58" pageNumber="2710">
<emphasis id="B920EAE771470900FEA3FEF3FD4ABF5C" box="[353,644,340,364]" italics="true" pageId="58" pageNumber="2710">Ecology and distribution</emphasis>
.
<taxonomicName id="4C544D7671470900FD67FEF3FC77BF5C" baseAuthorityName="Pena Cantero and Garcia Carrascosa" baseAuthorityYear="1994" box="[677,953,340,364]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="58" pageNumber="2710" phylum="Cnidaria" rank="species" species="vanhoeffeni">
<emphasis id="B920EAE771470900FD67FEF3FC77BF5C" box="[677,953,340,364]" italics="true" pageId="58" pageNumber="2710">Staurotheca vanhoeffeni</emphasis>
</taxonomicName>
is a shelf species (Peña Cantero
<emphasis id="B920EAE771470900FE62FED2FE15BFBC" box="[416,475,372,396]" italics="true" pageId="58" pageNumber="2710">et al.</emphasis>
, 1997), having been found from depths between 100 (Stepan’yants, 1979) and
<quantity id="4CAC9B1071470900FE72FE33FE3CBF9C" box="[432,498,404,428]" metricMagnitude="2" metricUnit="m" metricValue="4.0" pageId="58" pageNumber="2710" unit="m" value="400.0">400 m</quantity>
(Peña Cantero and García Carrascosa, 1994) on bottoms of pebbles (Vanhöffen, 1910; Peña Cantero and García Carrascosa, 1994) and stones (Peña Cantero
<emphasis id="B920EAE771470900FE63FE72FE13BFDC" box="[417,477,468,492]" italics="true" pageId="58" pageNumber="2710">et al.</emphasis>
, 1997). We found it from
<quantity id="4CAC9B1071470900FCE2FE73FC76BFDC" box="[800,952,468,492]" metricMagnitude="2" metricUnit="m" metricValue="3.18" metricValueMax="4.26" metricValueMin="2.1" pageId="58" pageNumber="2710" unit="m" value="318.0" valueMax="426.0" valueMin="210.0">210 to 426 m</quantity>
on gravel. Fertile colonies were collected in January (Peña Cantero and García Carrascosa, 1994), February and March (Peña Cantero
<emphasis id="B920EAE771470900FDB4FDB2FD7EBC1C" box="[630,688,532,556]" italics="true" pageId="58" pageNumber="2710">et al.</emphasis>
, 1997) and April (Vanhöffen, 1910; Stepan’yants, 1979); in our material colonies collected in January and March have gonothecae.
</paragraph>
<paragraph id="8BEB36F571470900FEA3FDF3FE19BDFA" blockId="58.[313,1269,181,970]" pageId="58" pageNumber="2710">
<taxonomicName id="4C544D7671470900FEA3FDF3FDA3BC5B" baseAuthorityName="Pena Cantero and Garcia Carrascosa" baseAuthorityYear="1994" box="[353,621,596,620]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="58" pageNumber="2710" phylum="Cnidaria" rank="species" species="vanhoeffeni">
<emphasis id="B920EAE771470900FEA3FDF3FDA3BC5B" box="[353,621,596,620]" italics="true" pageId="58" pageNumber="2710">Staurotheca vanhoeffeni</emphasis>
</taxonomicName>
has a circum-Antarctic distribution (Peña Cantero and García Carrascosa, 1994), being known from both East and West
<collectingCountry id="F343766571470900FB93FDD4FB03BCBB" box="[1105,1229,627,651]" name="Antarctica" pageId="58" pageNumber="2710">Antarctica</collectingCountry>
. In the former it is known from the Davis Sea (Vanhöffen, 1910; Stepan’yants, 1979). In West
<collectingCountry id="F343766571470900FE6AFD14FDEDBCFB" box="[424,547,691,715]" name="Antarctica" pageId="58" pageNumber="2710">Antarctica</collectingCountry>
,
<taxonomicName id="4C544D7671470900FDF5FD13FD14BCFB" baseAuthorityName="Pena Cantero and Garcia Carrascosa" baseAuthorityYear="1994" box="[567,730,691,715]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="58" pageNumber="2710" phylum="Cnidaria" rank="species" species="vanhoeffeni">
<emphasis id="B920EAE771470900FDF5FD13FD14BCFB" box="[567,730,691,715]" italics="true" pageId="58" pageNumber="2710">S. vanhoeffeni</emphasis>
</taxonomicName>
has been reported from off Graham Land (Stepan’yants, 1979), the South Shetland Islands (Stepan’yants, 1979; Peña Cantero and García Carrascosa, 1994), Elephant Island (Peña Cantero and García Carrascosa, 1994) and the eastern part of the Weddell Sea (Peña Cantero
<emphasis id="B920EAE771470900FB73FCB3FB23BD1B" box="[1201,1261,787,811]" italics="true" pageId="58" pageNumber="2710">et al.</emphasis>
, 1997). It is also known from off
<collectingCountry id="F343766571470900FD74FC94FC82BD7B" box="[694,844,819,843]" name="Heard Island and McDonald Islands" pageId="58" pageNumber="2710">Heard Island</collectingCountry>
(Stepan’yants, 1979) at the limits of the Antarctic region. Our material comes from the region of the Antarctic Peninsula (off Elephant Island, north-east of Joinville Island and north of d’Urville
<collectingCountry id="F343766571470900FB58FCD4FB2EBDBB" box="[1178,1248,883,907]" name="Iceland" pageId="58" pageNumber="2710">Island</collectingCountry>
), from east of Cape Hallett (Victoria Land), from the Ross Sea, and from west of
<collectingCountry id="F343766571470900FEFBFC15FE1DBDFA" box="[313,467,946,970]" name="Heard Island and McDonald Islands" pageId="58" pageNumber="2710">Heard Island</collectingCountry>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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