327 lines
44 KiB
XML
327 lines
44 KiB
XML
<document id="25BC5AF00D255814E54F36008FF5E916" ID-ISSN="1464-5262" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1617217534528" checkinUser="carolina" docAuthor="Peña Cantero, A. L. & Vervoort, W." docDate="2004" docId="038687FCFFB7A7743A0903F3FD8675B4" docLanguage="en" docName="JNATHIST.38.805-861.pdf" docOrigin="Journal of Natural History 38" docStyle="DocumentStyle:443144A73DAE3E092C51A378E4CD0138.2:JNatHist.2003-2004.journal_article.1cover" docStyleId="443144A73DAE3E092C51A378E4CD0138" docStyleName="JNatHist.2003-2004.journal_article.1cover" docStyleVersion="2" docTitle="Oswaldella medeae Peña Cantero & Vervoort 2004, sp. nov." docType="treatment" docVersion="2" lastPageNumber="842" masterDocId="FFBFFF84FF94A75238720600FFFA7605" masterDocTitle="Species of Oswaldella Stechow, 1919 (Cnidaria: Hydrozoa: Kirchenpaueriidae) from US Antarctic expeditions, with the description of three new species" masterLastPageNumber="861" masterPageNumber="805" pageNumber="839" updateTime="1698898405091" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="B2C9780611530A5148E019AB80D548F0">Species of Oswaldella Stechow, 1919 (Cnidaria: Hydrozoa: Kirchenpaueriidae) from US Antarctic expeditions, with the description of three new species</mods:title>
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<mods:namePart id="779FF0E69D1486C0B056CE6326F7DD4D">Peña Cantero, A. L.</mods:namePart>
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<mods:roleTerm id="6913E709A17C8452721AE070DEA899BD">Author</mods:roleTerm>
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<mods:namePart id="330B61A7CA69693E84013C58A36396C0">Vervoort, W.</mods:namePart>
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<mods:title id="A47025B658E0E530E651801AB1F75DC8">Journal of Natural History</mods:title>
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<mods:part id="D7FA3427FB11F2ACC9376A8BC6BFC951">
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<mods:date id="580D7D6FE3301B3950463FA9DD7FF1CF">2004</mods:date>
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<mods:number id="D20B114D15C24A87502F8306E6C0C2DE">2004-04-10</mods:number>
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<mods:detail id="C05C4E44F0CC0379D7E8217937257675" type="volume">
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<mods:number id="5A2870C623F760B60F1DD380626FDA00">38</mods:number>
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<mods:extent id="DA00AE9689936004CB29BFA5515207A6" unit="page">
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<mods:start id="D6BD8C7A27EA2D95316D84709D75916B">805</mods:start>
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<mods:end id="9D393A9E16F6FCF0C5112370BF53C0A0">861</mods:end>
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<mods:identifier id="A0CDA7802BFCA951337F0EDA9F4857BB" type="ISSN">1464-5262</mods:identifier>
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<treatment id="038687FCFFB7A7743A0903F3FD8675B4" LSID="urn:lsid:plazi:treatment:038687FCFFB7A7743A0903F3FD8675B4" httpUri="http://treatment.plazi.org/id/038687FCFFB7A7743A0903F3FD8675B4" lastPageId="38" lastPageNumber="842" pageId="35" pageNumber="839">
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<subSubSection id="C3356561FFB7A7713A0903F3FC49700F" box="[635,947,1523,1547]" pageId="35" pageNumber="839" type="nomenclature">
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<paragraph id="8B9036EAFFB7A7713A0903F3FC49700F" blockId="35.[635,947,1523,1579]" box="[635,947,1523,1547]" pageId="35" pageNumber="839">
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<heading id="D0D88186FFB7A7713A0903F3FC49700F" box="[635,947,1523,1547]" centered="true" fontSize="10" level="2" pageId="35" pageNumber="839" reason="3">
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<taxonomicName id="4C2F4D69FFB7A7713A0903F3FCB5700E" ID-CoL="6TCJH" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[635,847,1523,1547]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="35" pageNumber="839" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
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<emphasis id="B95BEAF8FFB7A7713A0903F3FCB5700E" bold="true" box="[635,847,1523,1547]" italics="true" pageId="35" pageNumber="839">Oswaldella medeae</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2685783FFB7A7713B2A03F3FC49700F" box="[856,947,1523,1546]" pageId="35" pageNumber="839" rank="species">sp. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3356561FFB7A7743ADC0013FD8675B4" lastPageId="38" lastPageNumber="842" pageId="35" pageNumber="839" type="description">
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<paragraph id="8B9036EAFFB7A7713ADC0013FC85702E" blockId="35.[635,947,1523,1579]" box="[686,895,1555,1579]" pageId="35" pageNumber="839">
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(
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<figureCitation id="13142A6FFFB7A7713AC70013FCE1702E" box="[693,795,1555,1579]" captionStart="FIG" captionStartId="36.[313,329,1557,1578]" captionTargetBox="[9,1266,182,1524]" captionTargetId="figure-11@36.[313,1269,179,1530]" captionTargetPageId="36" captionText="FIG. 12. Oswaldella medeae sp. nov. (A) Fragment of stem showing hydrocladial and hydrothecal arrangement; (B–D) cauline apophyses with axillary nematophores and ‘mamelons’, as well as first hydrocladial internode (in D with two ‘mamelons’); (E–K) hydrocladial internodes showing hydrotheca, mesial superior nematophore and mesial inferior nematotheca (A–C, H–K, Stn 12/1003; D, F, G, Stn 32/2018; E, Stn 32/2021). Scale bar: 1 mm (A), 250 Mm (B–K)." pageId="35" pageNumber="839">figure 12</figureCitation>
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;
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<tableCitation id="C6AD0351FFB7A7713B5A0013FC8C702E" box="[808,886,1555,1579]" captionStart="Table 3" captionStartId="37.[460,517,177,199]" captionText="Table 3. Measurements of Oswaldella medeae sp. nov. (in Mm)." pageId="35" pageNumber="839">table 3</tableCitation>
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)
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</paragraph>
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<paragraph id="8B9036EAFFB7A7713913004FFB2270CD" blockId="35.[313,1268,1614,1736]" pageId="35" pageNumber="839">
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<emphasis id="B95BEAF8FFB7A7713913004FFDCC7062" box="[353,566,1615,1639]" italics="true" pageId="35" pageNumber="839">Material examined</emphasis>
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.
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<emphasis id="B95BEAF8FFB7A7713A35004FFD5A7062" box="[583,672,1614,1639]" italics="true" pageId="35" pageNumber="839">12/1003</emphasis>
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,
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<materialsCitation id="3B473CB7FFB7A7713AC3004FFBFF70AD" collectionCode="USNM, MNCN" pageId="35" pageNumber="839" specimenCode="USNM 1003339, MNCN 2.03, USNM 1003340" specimenCount="2" typeStatus="holotype">
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four stem fragments up to
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<quantity id="4CD79B0FFFB7A7713B9C004FFBC37062" box="[1006,1081,1615,1639]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="35" pageNumber="839" unit="mm" value="20.0">20 mm</quantity>
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long (
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||
<typeStatus id="54948848FFB7A7713CF4004FFB157062" box="[1158,1263,1615,1639]" pageId="35" pageNumber="839" type="holotype">holotype</typeStatus>
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,
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||
<specimenCode id="DB899E91FFB7A771394B006FFE027082" box="[313,504,1647,1671]" collectionCode="USNM" 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="35" pageNumber="839" type="Museum">USNM 1003339</specimenCode>
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||
;
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||
<typeStatus id="54948848FFB7A7713A750070FD82708D" box="[519,632,1648,1672]" pageId="35" pageNumber="839" type="paratype">paratypes</typeStatus>
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||
, RMNH-Coel. 30217 and
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<specimenCode id="DB899E91FFB7A7713BC1006FFBBC7082" box="[947,1094,1647,1671]" collectionCode="MNCN" 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="35" pageNumber="839" type="Museum">MNCN 2.03</specimenCode>
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<emphasis id="B95BEAF8FFB7A7713C34006EFBB57082" box="[1094,1103,1646,1671]" italics="true" pageId="35" pageNumber="839">/</emphasis>
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237);
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<emphasis id="B95BEAF8FFB7A7713CE6006FFB177082" box="[1172,1261,1646,1671]" italics="true" pageId="35" pageNumber="839">32/2018</emphasis>
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, one distally broken stem
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<emphasis id="B95BEAF8FFB7A7713A060090FD7770A2" box="[628,653,1680,1703]" italics="true" pageId="35" pageNumber="839">ca</emphasis>
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||
<quantity id="4CD79B0FFFB7A7713AEE0090FD2070A2" box="[668,730,1680,1704]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" pageId="35" pageNumber="839" unit="mm" value="9.0">9 mm</quantity>
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high (
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||
<specimenCode id="DB899E91FFB7A7713B470090FC0770AD" box="[821,1021,1680,1704]" collectionCode="USNM" 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="35" pageNumber="839" type="Museum">USNM 1003340</specimenCode>
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)
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||
</materialsCitation>
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||
;
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||
<materialsCitation id="3B473CB7FFB7A7713C650090FB2E70CD" collectionCode="USNM" pageId="35" pageNumber="839" specimenCode="USNM 1003341" specimenCount="1" typeStatus="holotype">
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<emphasis id="B95BEAF8FFB7A7713C650090FB8A70AD" box="[1047,1136,1678,1704]" italics="true" pageId="35" pageNumber="839">32/2021</emphasis>
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, two stem fragments up to
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||
<quantity id="4CD79B0FFFB7A771398B00B0FDCD70C2" box="[505,567,1712,1735]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="35" pageNumber="839" unit="mm" value="7.0">7 mm</quantity>
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long, each with a single hydrocladium (
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||
<specimenCode id="DB899E91FFB7A7713C7800B0FB3670CD" box="[1034,1228,1712,1736]" collectionCode="USNM" 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="35" pageNumber="839" type="Museum">USNM 1003341</specimenCode>
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)
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||
</materialsCitation>
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||
.
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||
</paragraph>
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||
<caption id="DF506662FFB0A776394B0015FCFB70AA" pageId="36" pageNumber="840" startId="36.[313,329,1557,1578]" targetBox="[9,1266,182,1524]" targetPageId="36">
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||
<paragraph id="8B9036EAFFB0A776394B0015FCFB70AA" blockId="36.[313,1269,1556,1712]" pageId="36" pageNumber="840">
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FIG. 12.
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||
<taxonomicName id="4C2F4D69FFB0A77639D30014FD9C702C" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[417,614,1556,1577]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="36" pageNumber="840" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
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||
<emphasis id="B95BEAF8FFB0A77639D30014FD9C702C" box="[417,614,1556,1577]" italics="true" pageId="36" pageNumber="840">Oswaldella medeae</emphasis>
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||
</taxonomicName>
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||
<taxonomicNameLabel id="A2685783FFB0A7763A010015FD36702F" box="[627,716,1557,1578]" pageId="36" pageNumber="840" rank="species">sp. nov.</taxonomicNameLabel>
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||
(A) Fragment of stem showing hydrocladial and hydrothecal arrangement; (B–D) cauline apophyses with axillary nematophores and ‘mamelons’, as well as first hydrocladial internode (in D with two ‘mamelons’); (E–K) hydrocladial internodes showing hydrotheca, mesial superior nematophore and mesial inferior nematotheca (A–C, H–K, Stn 12
|
||
<emphasis id="B95BEAF8FFB0A7763B56007EFCD67090" box="[804,812,1662,1685]" italics="true" pageId="36" pageNumber="840">/</emphasis>
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||
1003; D, F, G, Stn 32
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||
<emphasis id="B95BEAF8FFB0A7763C7A007EFBEA7090" box="[1032,1040,1662,1685]" italics="true" pageId="36" pageNumber="840">/</emphasis>
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||
2018; E, Stn 32
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<emphasis id="B95BEAF8FFB0A7763CD9007EFB497090" box="[1195,1203,1662,1685]" italics="true" pageId="36" pageNumber="840">/</emphasis>
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2021). Scale bar: 1 mm (A), 250
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<emphasis id="B95BEAF8FFB0A7763AFE0099FD6370B5" box="[652,665,1689,1712]" italics="true" pageId="36" pageNumber="840">M</emphasis>
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m (B–K).
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</paragraph>
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</caption>
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<caption id="DF506662FFB1A77739BE06B1FB9876C2" box="[460,1122,177,200]" pageId="37" pageNumber="841">
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||
<paragraph id="8B9036EAFFB1A77739BE06B1FB9876C2" blockId="37.[460,1122,177,200]" box="[460,1122,177,200]" pageId="37" pageNumber="841">
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Table 3. Measurements of
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<taxonomicName id="4C2F4D69FFB1A7773A9C06B1FC5776C3" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[750,941,177,198]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
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||
<emphasis id="B95BEAF8FFB1A7773A9C06B1FC5776C3" box="[750,941,177,198]" italics="true" pageId="37" pageNumber="841">Oswaldella medeae</emphasis>
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||
</taxonomicName>
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||
<taxonomicNameLabel id="A2685783FFB1A7773BC706B2FBFD76C2" box="[949,1031,178,199]" pageId="37" pageNumber="841" rank="species">sp. nov.</taxonomicNameLabel>
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||
(in
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||
<emphasis id="B95BEAF8FFB1A7773C4306B1FBC476CD" box="[1073,1086,177,200]" italics="true" pageId="37" pageNumber="841">M</emphasis>
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||
m).
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||
</paragraph>
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||
</caption>
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||
<paragraph id="8B9036EAFFB1A7773A6A06E7FD6676F8" blockId="37.[536,1048,231,465]" box="[536,668,231,253]" pageId="37" pageNumber="841">Hydrothecae</paragraph>
|
||
<paragraph id="8B9036EAFFB1A7773A420701FBF17713" blockId="37.[536,1048,231,465]" box="[560,1035,257,279]" pageId="37" pageNumber="841">Length of abcauline wall 120–200</paragraph>
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||
<paragraph id="8B9036EAFFB1A7773A42071CFC057737" blockId="37.[536,1048,231,465]" box="[560,1023,283,306]" pageId="37" pageNumber="841">Length of free part of adcauline wall 30–50</paragraph>
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||
<paragraph id="8B9036EAFFB1A7773A420736FBEA7749" blockId="37.[536,1048,231,465]" box="[560,1040,310,332]" pageId="37" pageNumber="841">Diameter at rim 180–230</paragraph>
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||
<paragraph id="8B9036EAFFB1A7773A6A0751FD517762" blockId="37.[536,1048,231,465]" box="[536,683,337,359]" pageId="37" pageNumber="841">Nematothecae</paragraph>
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||
<paragraph id="8B9036EAFFB1A7773A42076CFC057784" blockId="37.[536,1048,231,465]" box="[560,1023,364,386]" pageId="37" pageNumber="841">Length 20–30</paragraph>
|
||
<paragraph id="8B9036EAFFB1A7773A6A0786FD867799" blockId="37.[536,1048,231,465]" box="[536,636,390,412]" pageId="37" pageNumber="841">Internode</paragraph>
|
||
<paragraph id="8B9036EAFFB1A7773A4207A1FBE277B2" blockId="37.[536,1048,231,465]" box="[560,1048,416,439]" pageId="37" pageNumber="841">Length 750–1150</paragraph>
|
||
<paragraph id="8B9036EAFFB1A7773A4207BBFBF177D5" blockId="37.[536,1048,231,465]" box="[560,1035,443,465]" pageId="37" pageNumber="841">Diameter under hydrotheca 180–230</paragraph>
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||
<paragraph id="8B9036EAFFB1A77739130414FC8E756E" blockId="37.[313,1269,532,1736]" pageId="37" pageNumber="841">
|
||
<emphasis id="B95BEAF8FFB1A77739130414FE1A742E" box="[353,480,532,555]" italics="true" pageId="37" pageNumber="841">Description</emphasis>
|
||
. Colonies apparently with monosiphonic and unbranched stems, but present material fragmentary, largest fragment up to
|
||
<quantity id="4CD79B0FFFB1A7773BE40434FC1B744E" box="[918,993,564,588]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="37" pageNumber="841" unit="mm" value="20.0">20 mm</quantity>
|
||
long. Hydrocaulus with apophyses alternately arranged in one plane, forming two longitudinal series (
|
||
<figureCitation id="13142A6FFFB1A77739320473FE447489" box="[320,446,627,652]" captionStart="FIG" captionStartId="36.[313,329,1557,1578]" captionTargetBox="[9,1266,182,1524]" captionTargetId="figure-11@36.[313,1269,179,1530]" captionTargetPageId="36" captionText="FIG. 12. Oswaldella medeae sp. nov. (A) Fragment of stem showing hydrocladial and hydrothecal arrangement; (B–D) cauline apophyses with axillary nematophores and ‘mamelons’, as well as first hydrocladial internode (in D with two ‘mamelons’); (E–K) hydrocladial internodes showing hydrotheca, mesial superior nematophore and mesial inferior nematotheca (A–C, H–K, Stn 12/1003; D, F, G, Stn 32/2018; E, Stn 32/2021). Scale bar: 1 mm (A), 250 Mm (B–K)." pageId="37" pageNumber="841">figure 12A</figureCitation>
|
||
). Cauline apophyses directed upwards, at an angle of
|
||
<emphasis id="B95BEAF8FFB1A7773C440474FBB5748E" box="[1078,1103,628,651]" italics="true" pageId="37" pageNumber="841">ca</emphasis>
|
||
45
|
||
<emphasis id="B95BEAF8FFB1A7773C010473FB87748E" bold="true" box="[1139,1149,627,651]" pageId="37" pageNumber="841">°</emphasis>
|
||
with long axis of stem and provided with three (
|
||
<figureCitation id="13142A6FFFB1A7773A850493FC6A74AE" box="[759,912,659,683]" captionStart="FIG" captionStartId="36.[313,329,1557,1578]" captionTargetBox="[9,1266,182,1524]" captionTargetId="figure-11@36.[313,1269,179,1530]" captionTargetPageId="36" captionText="FIG. 12. Oswaldella medeae sp. nov. (A) Fragment of stem showing hydrocladial and hydrothecal arrangement; (B–D) cauline apophyses with axillary nematophores and ‘mamelons’, as well as first hydrocladial internode (in D with two ‘mamelons’); (E–K) hydrocladial internodes showing hydrotheca, mesial superior nematophore and mesial inferior nematotheca (A–C, H–K, Stn 12/1003; D, F, G, Stn 32/2018; E, Stn 32/2021). Scale bar: 1 mm (A), 250 Mm (B–K)." pageId="37" pageNumber="841">figure 12B, C</figureCitation>
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) or four (
|
||
<figureCitation id="13142A6FFFB1A7773C780493FB7E74AE" box="[1034,1156,659,683]" captionStart="FIG" captionStartId="36.[313,329,1557,1578]" captionTargetBox="[9,1266,182,1524]" captionTargetId="figure-11@36.[313,1269,179,1530]" captionTargetPageId="36" captionText="FIG. 12. Oswaldella medeae sp. nov. (A) Fragment of stem showing hydrocladial and hydrothecal arrangement; (B–D) cauline apophyses with axillary nematophores and ‘mamelons’, as well as first hydrocladial internode (in D with two ‘mamelons’); (E–K) hydrocladial internodes showing hydrotheca, mesial superior nematophore and mesial inferior nematotheca (A–C, H–K, Stn 12/1003; D, F, G, Stn 32/2018; E, Stn 32/2021). Scale bar: 1 mm (A), 250 Mm (B–K)." pageId="37" pageNumber="841">figure 12D</figureCitation>
|
||
) nematophores: two axillary nematophores, each emerging through a simple perisarc hole, and one or two nematophores emerging through a strongly developed ‘mamelon’, situated laterally on upper part of apophysis. Hydrocaulus divided into internodes with one or two apophyses per internode (
|
||
<figureCitation id="13142A6FFFB1A7773BF70513FBF9752E" box="[901,1027,787,811]" captionStart="FIG" captionStartId="36.[313,329,1557,1578]" captionTargetBox="[9,1266,182,1524]" captionTargetId="figure-11@36.[313,1269,179,1530]" captionTargetPageId="36" captionText="FIG. 12. Oswaldella medeae sp. nov. (A) Fragment of stem showing hydrocladial and hydrothecal arrangement; (B–D) cauline apophyses with axillary nematophores and ‘mamelons’, as well as first hydrocladial internode (in D with two ‘mamelons’); (E–K) hydrocladial internodes showing hydrotheca, mesial superior nematophore and mesial inferior nematotheca (A–C, H–K, Stn 12/1003; D, F, G, Stn 32/2018; E, Stn 32/2021). Scale bar: 1 mm (A), 250 Mm (B–K)." pageId="37" pageNumber="841">figure 12A</figureCitation>
|
||
). Cauline apophyses supporting hydrocladia (
|
||
<figureCitation id="13142A6FFFB1A7773A2A0533FD41754E" box="[600,699,819,843]" captionStart="FIG" captionStartId="36.[313,329,1557,1578]" captionTargetBox="[9,1266,182,1524]" captionTargetId="figure-11@36.[313,1269,179,1530]" captionTargetPageId="36" captionText="FIG. 12. Oswaldella medeae sp. nov. (A) Fragment of stem showing hydrocladial and hydrothecal arrangement; (B–D) cauline apophyses with axillary nematophores and ‘mamelons’, as well as first hydrocladial internode (in D with two ‘mamelons’); (E–K) hydrocladial internodes showing hydrotheca, mesial superior nematophore and mesial inferior nematotheca (A–C, H–K, Stn 12/1003; D, F, G, Stn 32/2018; E, Stn 32/2021). Scale bar: 1 mm (A), 250 Mm (B–K)." pageId="37" pageNumber="841">figure 12</figureCitation>
|
||
A–D) from which they are separated by distinct node; secondary hydrocladia present (
|
||
<figureCitation id="13142A6FFFB1A7773A9F0553FC9D756E" box="[749,871,851,875]" captionStart="FIG" captionStartId="36.[313,329,1557,1578]" captionTargetBox="[9,1266,182,1524]" captionTargetId="figure-11@36.[313,1269,179,1530]" captionTargetPageId="36" captionText="FIG. 12. Oswaldella medeae sp. nov. (A) Fragment of stem showing hydrocladial and hydrothecal arrangement; (B–D) cauline apophyses with axillary nematophores and ‘mamelons’, as well as first hydrocladial internode (in D with two ‘mamelons’); (E–K) hydrocladial internodes showing hydrotheca, mesial superior nematophore and mesial inferior nematotheca (A–C, H–K, Stn 12/1003; D, F, G, Stn 32/2018; E, Stn 32/2021). Scale bar: 1 mm (A), 250 Mm (B–K)." pageId="37" pageNumber="841">figure 12B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B9036EAFFB1A77739130573FC9A722F" blockId="37.[313,1269,532,1736]" pageId="37" pageNumber="841">
|
||
Hydrocladia homomerously segmented; hydrothecate internodes with one hydrotheca and two nematophores (
|
||
<figureCitation id="13142A6FFFB1A7773A910592FCBC75AE" box="[739,838,914,939]" captionStart="FIG" captionStartId="36.[313,329,1557,1578]" captionTargetBox="[9,1266,182,1524]" captionTargetId="figure-11@36.[313,1269,179,1530]" captionTargetPageId="36" captionText="FIG. 12. Oswaldella medeae sp. nov. (A) Fragment of stem showing hydrocladial and hydrothecal arrangement; (B–D) cauline apophyses with axillary nematophores and ‘mamelons’, as well as first hydrocladial internode (in D with two ‘mamelons’); (E–K) hydrocladial internodes showing hydrotheca, mesial superior nematophore and mesial inferior nematotheca (A–C, H–K, Stn 12/1003; D, F, G, Stn 32/2018; E, Stn 32/2021). Scale bar: 1 mm (A), 250 Mm (B–K)." pageId="37" pageNumber="841">figure 12</figureCitation>
|
||
C–K): one mesial superior emerging through a simple perisarc hole just behind free adcauline hydrothecal wall and another mesial inferior nematophore, emerging through a perisarc hole on a strong elevation of the internode and provided with a small, scale-shaped nematotheca. Top of distal hydrocladial internodes truncated.
|
||
</paragraph>
|
||
<paragraph id="8B9036EAFFB1A77739130232FCF172AC" blockId="37.[313,1269,532,1736]" pageId="37" pageNumber="841">
|
||
Hydrotheca shallow, situated in middle of hydrocladial internode or on its distal half (
|
||
<figureCitation id="13142A6FFFB1A77739090252FE1E726F" box="[379,484,1106,1130]" captionStart="FIG" captionStartId="36.[313,329,1557,1578]" captionTargetBox="[9,1266,182,1524]" captionTargetId="figure-11@36.[313,1269,179,1530]" captionTargetPageId="36" captionText="FIG. 12. Oswaldella medeae sp. nov. (A) Fragment of stem showing hydrocladial and hydrothecal arrangement; (B–D) cauline apophyses with axillary nematophores and ‘mamelons’, as well as first hydrocladial internode (in D with two ‘mamelons’); (E–K) hydrocladial internodes showing hydrotheca, mesial superior nematophore and mesial inferior nematotheca (A–C, H–K, Stn 12/1003; D, F, G, Stn 32/2018; E, Stn 32/2021). Scale bar: 1 mm (A), 250 Mm (B–K)." pageId="37" pageNumber="841">figure 12</figureCitation>
|
||
). Hydrothecal aperture circular and distinctly tilted downwards. Adcauline wall of hydrotheca with considerable free part. Abcauline wall straight, angle with long axis of internode
|
||
<emphasis id="B95BEAF8FFB1A7773ACF0292FD2C72AC" box="[701,726,1170,1193]" italics="true" pageId="37" pageNumber="841">ca</emphasis>
|
||
45
|
||
<emphasis id="B95BEAF8FFB1A7773A880292FCFE72AF" bold="true" box="[762,772,1170,1194]" pageId="37" pageNumber="841">°</emphasis>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B9036EAFFB1A777391302B1FDBE72CC" blockId="37.[313,1269,532,1736]" box="[353,580,1201,1225]" pageId="37" pageNumber="841">Gonothecae absent.</paragraph>
|
||
<paragraph id="8B9036EAFFB1A777391302D1FB0E732C" blockId="37.[313,1269,532,1736]" pageId="37" pageNumber="841">
|
||
<emphasis id="B95BEAF8FFB1A777391302D1FE3E72EC" box="[353,452,1233,1257]" italics="true" pageId="37" pageNumber="841">Remarks</emphasis>
|
||
.
|
||
<taxonomicName id="4C2F4D69FFB1A77739A702D1FD5172EC" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[469,683,1233,1257]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
|
||
<emphasis id="B95BEAF8FFB1A77739A702D1FD5172EC" box="[469,683,1233,1257]" italics="true" pageId="37" pageNumber="841">Oswaldella medeae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2685783FFB1A7773AC702D2FCE872EC" box="[693,786,1234,1257]" pageId="37" pageNumber="841" rank="species">sp. nov.</taxonomicNameLabel>
|
||
is well characterized by the shape of the hydrotheca, with a strong downward tilt, and by the presence of one or two ‘mamelons’ on the cauline apophyses, besides two axillary nematophores (cf.
|
||
<tableCitation id="C6AD0351FFB1A7773CE70311FB18732C" box="[1173,1250,1297,1321]" captionStart="Table 1" captionStartId="9.[912,968,395,418]" captionText="Table 1. Major features of the known species of" pageId="37" pageNumber="841">table 1</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B9036EAFFB1A77739130331FB55706D" blockId="37.[313,1269,532,1736]" pageId="37" pageNumber="841">
|
||
<taxonomicName id="4C2F4D69FFB1A77739130331FDCE734C" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[353,564,1329,1353]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
|
||
<emphasis id="B95BEAF8FFB1A77739130331FDCE734C" box="[353,564,1329,1353]" italics="true" pageId="37" pageNumber="841">Oswaldella medeae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2685783FFB1A7773A4E0331FD6C734D" box="[572,662,1329,1352]" pageId="37" pageNumber="841" rank="species">sp. nov.</taxonomicNameLabel>
|
||
is allied to
|
||
<taxonomicName id="4C2F4D69FFB1A7773B690331FC75734C" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[795,911,1329,1353]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="grandis">
|
||
<emphasis id="B95BEAF8FFB1A7773B690331FC75734C" box="[795,911,1329,1353]" italics="true" pageId="37" pageNumber="841">O. grandis</emphasis>
|
||
</taxonomicName>
|
||
by the presence of two axillary nematophores and two ‘mamelons’, as well as by the general shape of the hydrotheca which is also shallow (cf.
|
||
<tableCitation id="C6AD0351FFB1A7773A1C0371FD40738C" box="[622,698,1393,1417]" captionStart="Table 1" captionStartId="9.[912,968,395,418]" captionText="Table 1. Major features of the known species of" pageId="37" pageNumber="841">table 1</tableCitation>
|
||
). They are clearly different as in
|
||
<taxonomicName id="4C2F4D69FFB1A7773C3C0371FB3C738C" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[1102,1222,1393,1417]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="grandis">
|
||
<emphasis id="B95BEAF8FFB1A7773C3C0371FB3C738C" box="[1102,1222,1393,1417]" italics="true" pageId="37" pageNumber="841">O. grandis</emphasis>
|
||
</taxonomicName>
|
||
the hydrotheca is almost fully adnate to the hydrocladial internode, the abcauline wall is very steep and the hydrothecal aperture is perpendicular to the long axis of the internode. They also differ in the general structure of the colony, since
|
||
<taxonomicName id="4C2F4D69FFB1A7773C1403D1FB2073ED" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[1126,1242,1488,1512]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="grandis">
|
||
<emphasis id="B95BEAF8FFB1A7773C1403D1FB2073ED" box="[1126,1242,1488,1512]" italics="true" pageId="37" pageNumber="841">O. grandis</emphasis>
|
||
</taxonomicName>
|
||
is a much more robust species, with stems reaching
|
||
<quantity id="4CD79B0FFFB1A7773B1A03EFFC3A700D" box="[872,960,1519,1544]" metricMagnitude="-1" metricUnit="m" metricValue="5.0" pageId="37" pageNumber="841" unit="mm" value="500.0">500 mm</quantity>
|
||
height. On the other hand, the cauline apophyses are relatively shorter and in close contact with the stem. Also, the hydrocladia are much more branched, having several third-order hydrocladia. Finally, in
|
||
<taxonomicName id="4C2F4D69FFB1A77739CA0050FDD7706D" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[440,557,1616,1640]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="grandis">
|
||
<emphasis id="B95BEAF8FFB1A77739CA0050FDD7706D" box="[440,557,1616,1640]" italics="true" pageId="37" pageNumber="841">O. grandis</emphasis>
|
||
</taxonomicName>
|
||
the mesial inferior nematotheca is much more reduced.
|
||
</paragraph>
|
||
<paragraph id="8B9036EAFFB1A77439130070FD4A77AB" blockId="37.[313,1269,532,1736]" lastBlockId="38.[313,1269,181,945]" lastPageId="38" lastPageNumber="842" pageId="37" pageNumber="841">
|
||
By the occasional presence of one ‘mamelon’ besides the two axillary nematophores
|
||
<taxonomicName id="4C2F4D69FFB1A77739FF0090FDF970AD" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[397,515,1680,1704]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
|
||
<emphasis id="B95BEAF8FFB1A77739FF0090FDF970AD" box="[397,515,1680,1704]" italics="true" pageId="37" pageNumber="841">O. medeae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2685783FFB1A7773A7E0090FD9C70A2" box="[524,614,1680,1703]" pageId="37" pageNumber="841" rank="species">sp. nov.</taxonomicNameLabel>
|
||
is allied to
|
||
<taxonomicName id="4C2F4D69FFB1A7773A9F0090FC7A70A2" authorityName=": Pena Cantero" authorityYear="1991" box="[749,896,1680,1703]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="antarctica">
|
||
<emphasis id="B95BEAF8FFB1A7773A9F0090FC7A70A2" box="[749,896,1680,1703]" italics="true" pageId="37" pageNumber="841">O. antarctica</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C2F4D69FFB1A7773BE20090FC0270AD" authorityName="Pena Cantero and Vervoort" authorityYear="1998" box="[912,1016,1680,1704]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="crassa">
|
||
<emphasis id="B95BEAF8FFB1A7773BE20090FC0270AD" box="[912,1016,1680,1704]" italics="true" pageId="37" pageNumber="841">O. crassa</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C2F4D69FFB1A7773C7A0090FB1770A2" box="[1032,1261,1680,1703]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="garciacarrascosai">
|
||
<emphasis id="B95BEAF8FFB1A7773C7A0090FB1770A2" box="[1032,1261,1680,1703]" italics="true" pageId="37" pageNumber="841">O. garciacarrascosai</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C2F4D69FFB1A777394B00B0FE4B70CD" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[313,433,1712,1736]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="obscura">
|
||
<emphasis id="B95BEAF8FFB1A777394B00B0FE4B70CD" box="[313,433,1712,1736]" italics="true" pageId="37" pageNumber="841">O. obscura</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C2F4D69FFB1A777399900B0FD8A70C2" authorityName="Pena Cantero and Garcia Carrascosa" authorityYear="1998" box="[491,624,1712,1735]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="vervoorti">
|
||
<emphasis id="B95BEAF8FFB1A777399900B0FD8A70C2" box="[491,624,1712,1735]" italics="true" pageId="37" pageNumber="841">O. vervoorti</emphasis>
|
||
</taxonomicName>
|
||
(cf.
|
||
<tableCitation id="C6AD0351FFB1A7773AD100B0FD0A70CD" box="[675,752,1712,1736]" captionStart="Table 1" captionStartId="9.[912,968,395,418]" captionText="Table 1. Major features of the known species of" pageId="37" pageNumber="841">table 1</tableCitation>
|
||
). However,
|
||
<taxonomicName id="4C2F4D69FFB1A7773B0D00B0FC0E70CD" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[895,1012,1712,1736]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="37" pageNumber="841" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
|
||
<emphasis id="B95BEAF8FFB1A7773B0D00B0FC0E70CD" box="[895,1012,1712,1736]" italics="true" pageId="37" pageNumber="841">O. medeae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2685783FFB1A7773B8900B0FBAF70C2" box="[1019,1109,1712,1735]" pageId="37" pageNumber="841" rank="species">sp. nov.</taxonomicNameLabel>
|
||
clearly differs from those species.
|
||
<taxonomicName id="4C2F4D69FFB2A7743A5706B5FCE076C8" authorityName=": Pena Cantero" authorityYear="1991" box="[549,794,181,205]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="antarctica">
|
||
<emphasis id="B95BEAF8FFB2A7743A5706B5FCE076C8" box="[549,794,181,205]" italics="true" pageId="38" pageNumber="842">Oswaldella antarctica</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C2F4D69FFB2A7743B5C06B5FC6076C8" authorityName="Pena Cantero and Vervoort" authorityYear="1998" box="[814,922,181,205]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="crassa">
|
||
<emphasis id="B95BEAF8FFB2A7743B5C06B5FC6076C8" box="[814,922,181,205]" italics="true" pageId="38" pageNumber="842">O. crassa</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C2F4D69FFB2A7743BDF06B5FB6C76C8" box="[941,1174,181,205]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="garciacarrascosai">
|
||
<emphasis id="B95BEAF8FFB2A7743BDF06B5FB6C76C8" box="[941,1174,181,205]" italics="true" pageId="38" pageNumber="842">O. garciacarrascosai</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C2F4D69FFB2A7743CAB06B5FE7476E8" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="obscura">
|
||
<emphasis id="B95BEAF8FFB2A7743CAB06B5FE7476E8" italics="true" pageId="38" pageNumber="842">O. obscura</emphasis>
|
||
</taxonomicName>
|
||
have elongate hydrothecae, whereas in
|
||
<taxonomicName id="4C2F4D69FFB2A7743B2206D6FC3F76E8" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[848,965,213,237]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
|
||
<emphasis id="B95BEAF8FFB2A7743B2206D6FC3F76E8" box="[848,965,213,237]" italics="true" pageId="38" pageNumber="842">O. medeae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2685783FFB2A7743BBE06D6FBDF76E8" box="[972,1061,214,237]" pageId="38" pageNumber="842" rank="species">sp. nov.</taxonomicNameLabel>
|
||
these are shallow. In this character
|
||
<taxonomicName id="4C2F4D69FFB2A7743A7506F6FD7B7708" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[519,641,245,269]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
|
||
<emphasis id="B95BEAF8FFB2A7743A7506F6FD7B7708" box="[519,641,245,269]" italics="true" pageId="38" pageNumber="842">O. medeae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2685783FFB2A7743AFE06F6FD107708" box="[652,746,246,269]" pageId="38" pageNumber="842" rank="species">sp. nov.</taxonomicNameLabel>
|
||
is also close to
|
||
<taxonomicName id="4C2F4D69FFB2A7743BC306F6FBC17708" authorityName="Pena Cantero and Garcia Carrascosa" authorityYear="1998" box="[945,1083,246,269]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="vervoorti">
|
||
<emphasis id="B95BEAF8FFB2A7743BC306F6FBC17708" box="[945,1083,246,269]" italics="true" pageId="38" pageNumber="842">O. vervoorti</emphasis>
|
||
</taxonomicName>
|
||
, though in this species the hydrotheca is larger and always situated on the distal half of internode, the hydrothecal aperture is approximately perpendicular to the long axis of the internode, and the mesial inferior nematotheca is larger. In
|
||
<taxonomicName id="4C2F4D69FFB2A7743B920756FB9C7768" authorityName="Pena Cantero and Garcia Carrascosa" authorityYear="1998" box="[992,1126,342,365]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="vervoorti">
|
||
<emphasis id="B95BEAF8FFB2A7743B920756FB9C7768" box="[992,1126,342,365]" italics="true" pageId="38" pageNumber="842">O. vervoorti</emphasis>
|
||
</taxonomicName>
|
||
hydrocladia up to fourth-order are present, whereas in
|
||
<taxonomicName id="4C2F4D69FFB2A7743B390776FC3C778B" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[843,966,374,398]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
|
||
<emphasis id="B95BEAF8FFB2A7743B390776FC3C778B" box="[843,966,374,398]" italics="true" pageId="38" pageNumber="842">O. medeae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2685783FFB2A7743BA60776FBCE7788" box="[980,1076,374,397]" pageId="38" pageNumber="842" rank="species">sp. nov.</taxonomicNameLabel>
|
||
only secondary hydrocladia have been observed.
|
||
</paragraph>
|
||
<paragraph id="8B9036EAFFB2A774391307B6FE4D746A" blockId="38.[313,1269,181,945]" pageId="38" pageNumber="842">
|
||
The presence of a shallow hydrotheca with a strong downward tilt of the rim brings
|
||
<taxonomicName id="4C2F4D69FFB2A77439F407D7FE0177EB" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[390,507,470,494]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
|
||
<emphasis id="B95BEAF8FFB2A77439F407D7FE0177EB" box="[390,507,470,494]" italics="true" pageId="38" pageNumber="842">O. medeae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2685783FFB2A7743A7307D7FDA077EB" box="[513,602,471,494]" pageId="38" pageNumber="842" rank="species">sp. nov.</taxonomicNameLabel>
|
||
near to
|
||
<taxonomicName id="4C2F4D69FFB2A7743ACA07D7FCD077EB" authorityName="El Beshbeeshy" authorityYear="1991" box="[696,810,470,494]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="herwigi">
|
||
<emphasis id="B95BEAF8FFB2A7743ACA07D7FCD077EB" box="[696,810,470,494]" italics="true" pageId="38" pageNumber="842">O. herwigi</emphasis>
|
||
</taxonomicName>
|
||
(cf.
|
||
<tableCitation id="C6AD0351FFB2A7743B2F07D6FC5377EA" box="[861,937,470,495]" captionStart="Table 1" captionStartId="9.[912,968,395,418]" captionText="Table 1. Major features of the known species of" pageId="38" pageNumber="842">table 1</tableCitation>
|
||
), but in this species, together with one ‘mamelon’, there is a single axillary nematophore on the cauline apophyses. Moreover, the asymmetrical structure of the hydrocladia is completely different and hydroids of that species have alternately arranged hydrothecate and athecate internodes.
|
||
</paragraph>
|
||
<paragraph id="8B9036EAFFB2A77439130477FCE174F5" blockId="38.[313,1269,181,945]" pageId="38" pageNumber="842">
|
||
<taxonomicName id="4C2F4D69FFB2A77439130477FDB0748A" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[353,586,631,655]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="encarnae">
|
||
<emphasis id="B95BEAF8FFB2A77439130477FDB0748A" box="[353,586,631,655]" italics="true" pageId="38" pageNumber="842">Oswaldella encarnae</emphasis>
|
||
</taxonomicName>
|
||
also has hydrothecae in which the rim is slightly tilted downwards (cf.
|
||
<tableCitation id="C6AD0351FFB2A77439820497FDC674AA" box="[496,572,663,687]" captionStart="Table 1" captionStartId="9.[912,968,395,418]" captionText="Table 1. Major features of the known species of" pageId="38" pageNumber="842">table 1</tableCitation>
|
||
), but in this species the hydrothecae are distinctly larger, the hydrocladia are unbranched and there are only axillary nematophores on the cauline apophyses, with ‘mamelons’ being absent.
|
||
</paragraph>
|
||
<paragraph id="8B9036EAFFB2A774391304F8FD7C7575" blockId="38.[313,1269,181,945]" pageId="38" pageNumber="842">
|
||
<emphasis id="B95BEAF8FFB2A774391304F8FD897515" box="[353,627,760,784]" italics="true" pageId="38" pageNumber="842">Ecology and distribution</emphasis>
|
||
.
|
||
<taxonomicName id="4C2F4D69FFB2A7743AF604F8FCA37515" authority="Peña Cantero & Vervoort, 2004" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[644,857,760,784]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="medeae" status="sp. nov.">
|
||
<emphasis id="B95BEAF8FFB2A7743AF604F8FCA37515" box="[644,857,760,784]" italics="true" pageId="38" pageNumber="842">Oswaldella medeae</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A2685783FFB2A7743B1004F8FC44750A" box="[866,958,760,783]" pageId="38" pageNumber="842" rank="species">sp. nov.</taxonomicNameLabel>
|
||
appears to have a circum- Antarctic distribution. It was collected at depths between 210 and
|
||
<quantity id="4CD79B0FFFB2A7743C450517FB80752A" box="[1079,1146,791,816]" metricMagnitude="2" metricUnit="m" metricValue="5.029999999999999" pageId="38" pageNumber="842" unit="m" value="503.0">503 m</quantity>
|
||
at Pennell Bank (Victoria Land), in the Ross Sea region, and at the north-east of Joinville Island (Antarctic Peninsula).
|
||
</paragraph>
|
||
<paragraph id="8B9036EAFFB2A77439130578FD8675B4" blockId="38.[313,1269,181,945]" pageId="38" pageNumber="842">
|
||
<emphasis id="B95BEAF8FFB2A77439130578FE237595" box="[353,473,888,912]" italics="true" pageId="38" pageNumber="842">Etymology</emphasis>
|
||
. The specific name
|
||
<taxonomicName id="4C2F4D69FFB2A7743ABA0578FCE07595" authorityName="Peña Cantero & Vervoort" authorityYear="2004" box="[712,794,888,912]" class="Hydrozoa" family="Kirchenpaueriidae" genus="Oswaldella" kingdom="Animalia" order="Leptothecata" pageId="38" pageNumber="842" phylum="Cnidaria" rank="species" species="medeae">
|
||
<emphasis id="B95BEAF8FFB2A7743ABA0578FCE07595" box="[712,794,888,912]" italics="true" pageId="38" pageNumber="842">medeae</emphasis>
|
||
</taxonomicName>
|
||
is a dedication to Medea Peña Sancho, daughter of the first author.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |