187 lines
20 KiB
XML
187 lines
20 KiB
XML
<document id="B520B0A0740BEBED12DA5FAA2646001E" 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 & Vervoort, W." docDate="2003" docId="03FD87E37158091DFDFAFB33FD6EBB49" 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 jaederholmi Stechow 1920" docType="treatment" docVersion="2" lastPageNumber="2691" 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="2689" updateTime="1699133067467" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="9C10D95FE7B202271F08DE6BCC28611F">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:namePart id="61E1E1137892866A28335242F8787FF2">Cantero, A. L. Peña</mods:namePart>
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<mods:roleTerm id="711B38519D4588EE737B96667824AD20">Author</mods:roleTerm>
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<mods:namePart id="8FB238C37E56C3A4C0F66F60F506BF95">Vervoort, W.</mods:namePart>
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<mods:title id="A8DAC6181096D329E1CED59E3CA18A6F">Journal of Natural History</mods:title>
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<mods:part id="8C7A0654C202DF9144E6EB3F324A3FC0">
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<mods:date id="EEA7CB624C7EAC0735C52635B006F973">2003</mods:date>
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<mods:number id="AFF2355362DCBBE6E3E141930B883659">2003-11-30</mods:number>
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<mods:number id="FBD6ED987F16C6B0877CA380E84203EF">37</mods:number>
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<mods:number id="80D84B9116BCC37B31A880FD792114CE">22</mods:number>
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<mods:url id="302199A1A8A66AA57532B8CD059A1DED">http://dx.doi.org/10.1080/00222930210155701</mods:url>
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<mods:classification id="09FF587C8478C6871749B257F740D9DC">journal article</mods:classification>
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<mods:identifier id="215229CAEC96EC84121CA32C98479429" type="DOI">10.1080/00222930210155701</mods:identifier>
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<mods:identifier id="652D6A584F717C819FD4302EB32881A7" type="ISSN">1464-5262</mods:identifier>
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<treatment id="03FD87E37158091DFDFAFB33FD6EBB49" LSID="urn:lsid:plazi:treatment:03FD87E37158091DFDFAFB33FD6EBB49" httpUri="http://treatment.plazi.org/id/03FD87E37158091DFDFAFB33FD6EBB49" lastPageId="39" lastPageNumber="2691" pageId="37" pageNumber="2689">
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<subSubSection id="C34E657E7158091FFDFAFB33FC9CBAFC" pageId="37" pageNumber="2689" type="nomenclature">
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<paragraph id="8BEB36F57158091FFDFAFB33FC3ABA9C" blockId="37.[568,1012,1172,1196]" box="[568,1012,1172,1196]" pageId="37" pageNumber="2689">
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<heading id="D0A381997158091FFDFAFB33FC3ABA9C" box="[568,1012,1172,1196]" centered="true" fontSize="10" level="2" pageId="37" pageNumber="2689" reason="3">
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<taxonomicName id="4C544D767158091FFDFAFB33FC3ABA9C" authority="Stechow, 1920" authorityName="Stechow" authorityYear="1920" box="[568,1012,1172,1196]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="2689" phylum="Cnidaria" rank="species" species="jaederholmi">
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<emphasis id="B920EAE77158091FFDFAFB33FC86BA9C" bold="true" box="[568,840,1172,1196]" italics="true" pageId="37" pageNumber="2689">Staurotheca jaederholmi</emphasis>
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Stechow, 1920
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8BEB36F57158091FFD1EFB13FC9CBAFC" blockId="37.[313,1268,1204,1450]" box="[732,850,1204,1228]" pageId="37" pageNumber="2689">(figure 10)</paragraph>
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</subSubSection>
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<subSubSection id="C34E657E7158091DFEFBFB71FD6EBB49" lastPageId="39" lastPageNumber="2691" pageId="37" pageNumber="2689" type="description">
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<paragraph id="8BEB36F57158091FFEFBFB71FC7ABB12" blockId="37.[313,1268,1204,1450]" pageId="37" pageNumber="2689">
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<taxonomicName id="4C544D767158091FFEFBFB71FCC7BADC" authority="Jaderholm, 1904 b: 4" authorityName="Jaderholm" authorityPageNumber="4" authorityYear="1904" box="[313,777,1238,1260]" class="Hydrozoa" family="Sertulariidae" genus="Selaginopsis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="2689" phylum="Cnidaria" rank="species" species="dichotoma">
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<emphasis id="B920EAE77158091FFEFBFB71FDEBBADB" box="[313,549,1238,1259]" italics="true" pageId="37" pageNumber="2689">Selaginopsis dichotoma</emphasis>
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Jäderholm, 1904b: 4
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</taxonomicName>
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, pl. 1 figure 3, pl. 2 figure 1; Bale, 1915: 266; Hodgson, 1950: 20; Blanco, 1981: 276–277, figures 5–11; El Beshbeeshy, 1991: 143–145, figure 34; Wallin, 1994: 50; Peña (Cantero)
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<emphasis id="B920EAE77158091FFCE0FAAAFC80BB11" box="[802,846,1292,1314]" italics="true" pageId="37" pageNumber="2689">et al</emphasis>
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., 1996: 8.
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</paragraph>
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<paragraph id="8BEB36F57158091FFEFBFA80FD84BB44" blockId="37.[313,1268,1204,1450]" pageId="37" pageNumber="2689">
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<taxonomicName id="4C544D767158091FFEFBFA80FD3FBB0D" authority="Stechow, 1920: 20" authorityName="Stechow" authorityPageNumber="20" authorityYear="1920" box="[313,753,1319,1341]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="2689" phylum="Cnidaria" rank="species" species="jaederholmi">
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<emphasis id="B920EAE77158091FFEFBFA80FDE3BB0C" box="[313,557,1319,1340]" italics="true" pageId="37" pageNumber="2689">Staurotheca jaederholmi</emphasis>
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Stechow, 1920: 20
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</taxonomicName>
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; 1923b: 152; Leloup, 1974: 22, figure 18; Bouillon
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<emphasis id="B920EAE77158091FFEA3FAE4FE5EBB67" box="[353,400,1346,1368]" italics="true" pageId="37" pageNumber="2689">et al</emphasis>
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., 1995: 76; Peña Cantero
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<emphasis id="B920EAE77158091FFD6CFAE4FD13BB67" box="[686,733,1346,1368]" italics="true" pageId="37" pageNumber="2689">et al</emphasis>
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., 1997: 336; 1999: 160; Peña Cantero and García Carrascosa, 1999: 215.
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</paragraph>
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<paragraph id="8BEB36F57158091FFEFBFADFFE19BB9A" blockId="37.[313,1268,1204,1450]" pageId="37" pageNumber="2689">
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<taxonomicName id="4C544D767158091FFEFBFADFFDA6BBBE" authority=": Naumov" authorityName="Naumov" box="[313,616,1400,1422]" class="Hydrozoa" family="Sertulariidae" genus="Thuiaria" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="2689" phylum="Cnidaria" rank="species" species="dichotoma">
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<emphasis id="B920EAE77158091FFEFBFADFFE31BBBD" box="[313,511,1400,1421]" italics="true" pageId="37" pageNumber="2689">Thuiaria dichotoma</emphasis>
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: Naumov
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</taxonomicName>
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and Stepan’yants, 1962: 91; 1972: 34, 52; Blanco, 1994a: 160; 1994b: 195.
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</paragraph>
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<paragraph id="8BEB36F57158091FFEA3FA69FB9AB8F8" blockId="37.[313,1268,1485,1736]" pageId="37" pageNumber="2689">
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<emphasis id="B920EAE77158091FFEA3FA69FDBEBBD6" box="[353,624,1486,1510]" italics="true" pageId="37" pageNumber="2689">Material examined. 11</emphasis>
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/
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<emphasis id="B920EAE77158091FFDBAFA69FD6EBBD6" box="[632,672,1486,1510]" italics="true" pageId="37" pageNumber="2689">958</emphasis>
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||
, four fragments up to
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<quantity id="4CAC9B107158091FFC62FA69FC13BBD5" box="[928,989,1486,1510]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" pageId="37" pageNumber="2689" unit="mm" value="9.0">9 mm</quantity>
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long (USNM 1003234);
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<emphasis id="B920EAE77158091FFEFBFA49FE9AB836" box="[313,340,1518,1542]" italics="true" pageId="37" pageNumber="2689">21</emphasis>
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/
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||
<emphasis id="B920EAE77158091FFE9EFA49FE4AB836" box="[348,388,1518,1542]" italics="true" pageId="37" pageNumber="2689">288</emphasis>
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||
, numerous fragments up to
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||
<quantity id="4CAC9B107158091FFD0DFA49FCE9B835" box="[719,807,1518,1542]" metricMagnitude="-1" metricUnit="m" metricValue="1.1" pageId="37" pageNumber="2689" unit="mm" value="110.0">110 mm</quantity>
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||
long, with male and female gonothecae (USNM 1003235; RMNH-Coel. 30300; MNCN 2.03/282);
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||
<emphasis id="B920EAE77158091FFC32F9A9FBC5B816" box="[1008,1035,1550,1574]" italics="true" pageId="37" pageNumber="2689">23</emphasis>
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/
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||
<emphasis id="B920EAE77158091FFBD6F9A9FB87B816" box="[1044,1097,1550,1574]" italics="true" pageId="37" pageNumber="2689">1621</emphasis>
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||
, six fragments up to
|
||
<quantity id="4CAC9B107158091FFEBCF988FE18B876" box="[382,470,1583,1607]" metricMagnitude="-1" metricUnit="m" metricValue="1.1" pageId="37" pageNumber="2689" unit="mm" value="110.0">110 mm</quantity>
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||
long (USNM 1003236);
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||
<emphasis id="B920EAE77158091FFD3BF988FCC8B876" box="[761,774,1583,1606]" italics="true" pageId="37" pageNumber="2689">5</emphasis>
|
||
/
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||
<emphasis id="B920EAE77158091FFCCDF988FCF9B877" box="[783,823,1583,1607]" italics="true" pageId="37" pageNumber="2689">222</emphasis>
|
||
, one fragmented colony (fragments up to
|
||
<quantity id="4CAC9B107158091FFE95F9E8FE6CB856" box="[343,418,1615,1639]" metricMagnitude="-2" metricUnit="m" metricValue="4.7" pageId="37" pageNumber="2689" unit="mm" value="47.0">47 mm</quantity>
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||
long) (USNM 1003237; RMNH-Coel. 30301);
|
||
<emphasis id="B920EAE77158091FFC02F9E8FC03B857" box="[960,973,1615,1639]" italics="true" pageId="37" pageNumber="2689">6</emphasis>
|
||
/
|
||
<emphasis id="B920EAE77158091FFC14F9E8FC30B857" box="[982,1022,1615,1639]" italics="true" pageId="37" pageNumber="2689">370</emphasis>
|
||
, numerous fragments up to
|
||
<quantity id="4CAC9B107158091FFE46F9C9FE01B8B7" box="[388,463,1646,1671]" metricMagnitude="-2" metricUnit="m" metricValue="5.5" pageId="37" pageNumber="2689" unit="mm" value="55.0">55 mm</quantity>
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||
long (USNM 1003238; RMNH-Coel. 30302);
|
||
<emphasis id="B920EAE77158091FFC39F9C8FBEDB8B7" box="[1019,1059,1647,1671]" italics="true" pageId="37" pageNumber="2689">715</emphasis>
|
||
/
|
||
<emphasis id="B920EAE77158091FFBE9F9C8FB9DB8B7" box="[1067,1107,1647,1671]" italics="true" pageId="37" pageNumber="2689">870</emphasis>
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||
, several fragments and stems up to
|
||
<quantity id="4CAC9B107158091FFD80F928FD43B897" box="[578,653,1679,1704]" metricMagnitude="-2" metricUnit="m" metricValue="7.5" pageId="37" pageNumber="2689" unit="mm" value="75.0">75 mm</quantity>
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||
high (USNM 1003239; RMNH-Coel. 30303; MNCN 2.03/283);
|
||
<emphasis id="B920EAE77158091FFE77F917FE13B8F8" box="[437,477,1712,1736]" italics="true" pageId="37" pageNumber="2689">715</emphasis>
|
||
/
|
||
<emphasis id="B920EAE77158091FFE27F917FDC3B8F8" box="[485,525,1712,1736]" italics="true" pageId="37" pageNumber="2689">882</emphasis>
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||
, two stems up to
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||
<quantity id="4CAC9B107158091FFD1DF917FCF9B8F7" box="[735,823,1712,1736]" metricMagnitude="-1" metricUnit="m" metricValue="1.2" pageId="37" pageNumber="2689" unit="mm" value="120.0">120 mm</quantity>
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||
high (USNM 1003240).
|
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</paragraph>
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||
<caption id="DF2B667D715B091CFEFBF9EDFD47B880" pageId="38" pageNumber="2690" startId="38.[313,329,1610,1631]" targetBox="[313,1267,180,1584]" targetPageId="38">
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<paragraph id="8BEB36F5715B091CFEFBF9EDFD47B880" blockId="38.[313,1268,1610,1712]" pageId="38" pageNumber="2690">
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||
F. 10.
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<taxonomicName id="4C544D76715B091CFE63F9EDFCF4B86F" authority="Stechow, 1920" authorityName="Stechow" authorityYear="1920" box="[417,826,1610,1632]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="2690" phylum="Cnidaria" rank="species" species="jaederholmi">
|
||
<emphasis id="B920EAE7715B091CFE63F9EDFD59B86F" box="[417,663,1610,1631]" italics="true" pageId="38" pageNumber="2690">Staurotheca jaederholmi</emphasis>
|
||
Stechow, 1920
|
||
</taxonomicName>
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||
. (A) Part of branch showing hydrothecal arrangement; (B–D) hydrothecae; (E) part of branch with female gonothecae; (F) part of branch with male gonothecae. (A–D: Stn 5/222; E, F: Stn 21/288.) Scale bar: 1 mm (A, E, F), 400 Mm (B–D).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BEB36F5715A091DFEA3FF11FB3BBEDC" blockId="39.[313,1269,181,1402]" pageId="39" pageNumber="2691">
|
||
<emphasis id="B920EAE7715A091DFEA3FF11FE26BEFD" box="[353,488,182,205]" italics="true" pageId="39" pageNumber="2691">Description.</emphasis>
|
||
Stems up to
|
||
<quantity id="4CAC9B10715A091DFD54FF12FD20BEFD" box="[662,750,181,205]" metricMagnitude="-1" metricUnit="m" metricValue="1.2" pageId="39" pageNumber="2691" unit="mm" value="120.0">120 mm</quantity>
|
||
high, polysiphonic over part of their length. Branching alternate and in one plane; sometimes anastomoses amongst the branches.
|
||
</paragraph>
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||
<paragraph id="8BEB36F5715A091DFEA3FF53FB18BFD8" blockId="39.[313,1269,181,1402]" pageId="39" pageNumber="2691">Hydrothecae arranged in decussate verticils of two to four hydrothecae, forming four to eight longitudinal rows (figure 10A, E, F). Frequently, however, hydrothecal verticils with irregularities, and indistinct. Hydrothecae (figure 10A–F) low, sunken into branches for approximately one-third of their volume. Adcauline hydrothecal wall adnate to internode for almost its entire length. Hydrothecal abcauline wall straight or slightly concave; hydrothecal aperture slightly laterally depressed; rim uneven due to the presence of an elevation of the abcauline hydrothecal wall, aperture only slightly tilted downward. Hydrotheca without mushroom-shaped diaphragm.</paragraph>
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<paragraph id="8BEB36F5715A091DFEA3FE57FD42BCD4" blockId="39.[313,1269,181,1402]" pageId="39" pageNumber="2691">Male and female gonothecae present. Female gonotheca arising from a stolonal process (modified branch) originating at the hydrothecal base (figure 10E). This process provided with alternately arranged, isolated hydrothecae with one gonotheca at the base of each hydrotheca. Female gonotheca pear-shaped (figure 10E), sometimes provided with a few spine-shaped projections. Gonothecal aperture not observed. Male gonothecae inserted directly at the hydrothecal base and arranged in close proximity on the branches; gonotheca fusiform with a small circular aperture at the distal end (figure 10F).</paragraph>
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<paragraph id="8BEB36F5715A091DFEA3FD4BFBC0BD13" blockId="39.[313,1269,181,1402]" pageId="39" pageNumber="2691">Cnidome composed of microbasic mastigophores in two size groups: a larger (21.7–24.5×5.6–7 Mm) and a smaller group (7.7–9.1×2.1 Mm).</paragraph>
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<paragraph id="8BEB36F5715A091DFEA3FC8CFCEDBA2F" blockId="39.[313,1269,181,1402]" pageId="39" pageNumber="2691">
|
||
<emphasis id="B920EAE7715A091DFEA3FC8CFDA1BD73" box="[353,623,811,835]" italics="true" pageId="39" pageNumber="2691">Ecology and distribution</emphasis>
|
||
.
|
||
<taxonomicName id="4C544D76715A091DFD53FC8CFC51BD73" authorityName="Stechow" authorityYear="1920" box="[657,927,811,835]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="39" pageNumber="2691" phylum="Cnidaria" rank="species" species="jaederholmi">
|
||
<emphasis id="B920EAE7715A091DFD53FC8CFC51BD73" box="[657,927,811,835]" italics="true" pageId="39" pageNumber="2691">Staurotheca jaederholmi</emphasis>
|
||
</taxonomicName>
|
||
is a eurybathic species. It had been found from depths between 18 (Jäderholm, 1904b) and
|
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<quantity id="4CAC9B10715A091DFC36FCEEFBF8BD52" box="[1012,1078,841,866]" metricMagnitude="2" metricUnit="m" metricValue="5.0" pageId="39" pageNumber="2691" unit="m" value="500.0">500 m</quantity>
|
||
(El Beshbeeshy, 1991); our material comes from
|
||
<quantity id="4CAC9B10715A091DFD6EFCCDFC8EBDB1" box="[684,832,874,898]" metricMagnitude="3" metricUnit="m" metricValue="2.44" metricValueMax="4.804" metricValueMin="0.076" pageId="39" pageNumber="2691" unit="m" value="2440.0" valueMax="4804.0" valueMin="76.0">76 to 4804 m</quantity>
|
||
. Jäderholm (1904b) found it on stony bottoms and Leloup (1974) found it on pebbles, whereas we observed it epilithic on gravel and epibiotic on bryozoans. It is used in turn as a substratum by other hydroids (
|
||
<taxonomicName id="4C544D76715A091DFE6CFC6FFDB7BDD0" box="[430,633,968,992]" class="Hydrozoa" family="Campanulariidae" genus="Campanularia" kingdom="Animalia" order="Leptothecata" pageId="39" pageNumber="2691" phylum="Cnidaria" rank="species" species="undetermined">
|
||
<emphasis id="B920EAE7715A091DFE6CFC6FFD85BDD0" box="[430,587,968,992]" italics="true" pageId="39" pageNumber="2691">Campanularia</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C544D76715A091DFD48FC6FFCF7BDD0" box="[650,825,968,992]" class="Hydrozoa" family="Sertularellidae" genus="Sertularella" kingdom="Animalia" order="Leptothecata" pageId="39" pageNumber="2691" phylum="Cnidaria" rank="species" species="undetermined">
|
||
<emphasis id="B920EAE7715A091DFD48FC6FFCC2BDD0" box="[650,780,968,992]" italics="true" pageId="39" pageNumber="2691">Sertularella</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C544D76715A091DFC88FC6FFB8CBDD0" box="[842,1090,968,992]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="39" pageNumber="2691" phylum="Cnidaria" rank="species" species="undetermined">
|
||
<emphasis id="B920EAE7715A091DFC88FC6FFBDDBDD0" box="[842,1043,968,992]" italics="true" pageId="39" pageNumber="2691">Symplectoscyphus</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
). It was found with gonothecae in February (Blanco, 1981) and May (Jäderholm, 1904b); our fertile material was collected in December.
|
||
</paragraph>
|
||
<paragraph id="8BEB36F5715A091DFEA3FB80FD6EBB49" blockId="39.[313,1269,181,1402]" pageId="39" pageNumber="2691">
|
||
<taxonomicName id="4C544D76715A091DFEA3FB80FDB0BA0F" authorityName="Stechow" authorityYear="1920" box="[353,638,1063,1087]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="39" pageNumber="2691" phylum="Cnidaria" rank="species" species="jaederholmi">
|
||
<emphasis id="B920EAE7715A091DFEA3FB80FDB0BA0F" box="[353,638,1063,1087]" italics="true" pageId="39" pageNumber="2691">Staurotheca jaederholmi</emphasis>
|
||
</taxonomicName>
|
||
has been considered a Patagonian species (El Beshbeeshy, 1991). However, we have found it southwards to 61° 27∞S, so that it could be a Patagonian–West Antarctic species. So far it has only been recorded along both west and east coasts of the southern part of South America. On Pacific coasts it has been reported northwards to the northern part of Quellin Island (
|
||
<collectingCountry id="F3437665715A091DFB6CFB02FB22BA8D" box="[1198,1260,1189,1213]" name="Chile" pageId="39" pageNumber="2691">Chile</collectingCountry>
|
||
) (Leloup, 1974), being known also from the Guaitecas Islands (Jäderholm, 1904b). On the Atlantic coast it was known from the Patagonian shelf (Blanco, 1981; El Beshbeeshy, 1991). Our material comes from the South-East Pacific basin and South- West Atlantic basin, having been collected off the west and east mouths of the Strait of Magellan, off Tierra del Fuego and from the northern part of the Bellingshausen Sea (61°27∞S, 94°58∞–95°22∞W).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |