212 lines
26 KiB
XML
212 lines
26 KiB
XML
<document id="4B7521846FB516AAC5760F84EA99F0CE" ID="10.11646/zootaxa.4247.3.9SLASH10648" ID-CLB-Dataset="33348" ID-DOI="10.11646/zootaxa.4247.3.9" ID-GBIF-Dataset="2f3b75d6-6bf8-41f8-8543-1a46cd5ca052" ID-ISSN="1175-5326" ID-Zenodo-Dep="438600" ID-ZooBank="C02AB24E-535E-4CF2-B414-196F60782182" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1490687556865" checkinUser="plazi" docAuthor="Watson, Jeanette E." docDate="2017" docId="A02815709042FF88FF7AFAFBFE05FB27" docLanguage="en" docName="zootaxa.4247.3.9SLASH10648.pdf" docOrigin="Zootaxa 4247 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Stegolaria laevigata Watson, 2017, sp. nov." docType="treatment" docVersion="7" lastPageNumber="338" masterDocId="5C116D089042FF8AFFEDFF9BFFA1FF8B" masterDocTitle="Two bathyal hydroids (Hydrozoa: Leptothecata) from the Southwest Indian Ocean" masterLastPageNumber="340" masterPageNumber="336" pageNumber="336" updateTime="1698438479845" updateUser="ExternalLinkService">
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<mods:title id="A3832B4C7F50B9875B18D49006E927CF">Two bathyal hydroids (Hydrozoa: Leptothecata) from the Southwest Indian Ocean</mods:title>
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<mods:name id="4C3CD695D5E452C35D202316F6F6F36B" type="personal">
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<mods:roleTerm id="41A4B6531B96EA22A642C4FEE91C633A">Author</mods:roleTerm>
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<mods:namePart id="690166D27D7B36396119E976F2F9399F">Watson, Jeanette E.</mods:namePart>
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<mods:typeOfResource id="1F516A454A3E3C935E21D6CFEAC57109">text</mods:typeOfResource>
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<mods:title id="7C5116E6B641EF81CCD9A9CF63D977AD">Zootaxa</mods:title>
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<mods:part id="CE09E48B9F16B7DFD1E9D15647E72758">
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<mods:date id="F8FCDB7B8461DB1FE457D2F23BCA0CD8">2017</mods:date>
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<mods:number id="D8676B435CAD53CDAAD8DC0AF9121AED">4247</mods:number>
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<mods:detail id="0E44E0793D4AA0D378302CC8A924625F" type="issue">
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<mods:number id="80788C5C17EF4463991AB9B87286EF22">3</mods:number>
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<mods:classification id="C4C9BA982EDD171C3BE9F85D7034E6E3">journal article</mods:classification>
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<mods:identifier id="E858066CE67DD413C6935AE736555E68" type="CLB-Dataset">33348</mods:identifier>
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<mods:identifier id="D387264483BEB7B36A08C01FD43277C2" type="DOI">10.11646/zootaxa.4247.3.9</mods:identifier>
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<mods:identifier id="4B13776AA183F502AAEFA63883D01AB3" type="GBIF-Dataset">2f3b75d6-6bf8-41f8-8543-1a46cd5ca052</mods:identifier>
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<mods:identifier id="7CA04AC1160431E85C5A0AA527C8A96D" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="E52F518FE694D40F6E4C4CDE00E88110" type="Zenodo-Dep">438600</mods:identifier>
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<mods:identifier id="64DD69C1601C81C0019AF5DC118AB617" type="ZooBank">C02AB24E-535E-4CF2-B414-196F60782182</mods:identifier>
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<treatment id="A02815709042FF88FF7AFAFBFE05FB27" ID-DOI="http://doi.org/10.5281/zenodo.6052041" ID-GBIF-Taxon="127903463" ID-Zenodo-Dep="6052041" LSID="urn:lsid:plazi:treatment:A02815709042FF88FF7AFAFBFE05FB27" httpUri="http://treatment.plazi.org/id/A02815709042FF88FF7AFAFBFE05FB27" lastPageId="2" lastPageNumber="338" pageId="0" pageNumber="336">
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<subSubSection id="609BF7ED9042FF8AFF7AFAFBFD08FAF0" box="[151,681,1376,1403]" pageId="0" pageNumber="336" type="nomenclature">
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<paragraph id="283EA4669042FF8AFF7AFAFBFD08FAF0" blockId="0.[151,1436,1376,1955]" box="[151,681,1376,1403]" pageId="0" pageNumber="336">
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<heading id="7376130A9042FF8AFF7AFAFBFD08FAF0" bold="true" box="[151,681,1376,1403]" fontSize="11" level="1" pageId="0" pageNumber="336" reason="1">
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<emphasis id="1AF578749042FF8AFF7AFAFBFD08FAF0" bold="true" box="[151,681,1376,1403]" pageId="0" pageNumber="336">
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<taxonomicName id="EF81DFE59042FF8AFF7AFAFBFE27FAF1" ID-CoL="4ZNYY" box="[151,390,1376,1402]" class="Hydrozoa" family="Tiarannidae" genus="Stegolaria" kingdom="Animalia" order="Leptothecata" pageId="0" pageNumber="336" phylum="Cnidaria" rank="species" species="laevigata" status="sp. nov.">
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<emphasis id="1AF578749042FF8AFF7AFAFBFE27FAF1" bold="true" box="[151,390,1376,1402]" italics="true" pageId="0" pageNumber="336">Stegolaria laevigata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="01C6C50F9042FF8AFE61FAFAFE4BFAF0" box="[396,490,1377,1403]" pageId="0" pageNumber="336" rank="species">sp. nov.</taxonomicNameLabel>
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(
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<figureCitation id="B0BAB8E39042FF8AFE14FAFAFD3EFAF0" box="[505,671,1377,1403]" captionStart="FIGURE 1" captionStartId="1.[151,244,1711,1733]" captionTargetBox="[301,1341,252,1651]" captionTargetId="figure@1.[211,1375,194,1688]" captionTargetPageId="1" captionText="FIGURE 1 A – G Stegolaria laevigata sp. nov. 1 A, branch of holotype colony. 1 B, polysiphonic tubes of branch and monosiphonic hydrocladium. 1 C, hydrotheca immersed in axial tubes, two intact opercular valves. 1 D, hydrotheca on monosiphonic axial tube with shredded operculum and collapsed free adcauline wall. 1 E, basal perisarcal lamella with anchoring spokes of tissue in hydrotheca. 1 F, small and large heteroneme nematocysts. Scale bar: A, 10 mm. B, 2 mm. C, D, 0.5 mm. E, 0.2 mm. F, 20 µm." httpUri="https://zenodo.org/record/438601/files/figure.png" pageId="0" pageNumber="336">Figure 1A–G</figureCitation>
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)
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="609BF7ED9042FF8AFF7AFA1FFE82F9AE" pageId="0" pageNumber="336" type="materials_examined">
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<paragraph id="283EA4669042FF8AFF7AFA1FFE82F9AE" blockId="0.[151,1436,1376,1955]" pageId="0" pageNumber="336">
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<emphasis id="1AF578749042FF8AFF7AFA1FFEDCFA10" bold="true" box="[151,381,1412,1435]" pageId="0" pageNumber="336">Material examined.</emphasis>
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Holotype, NHMUK 2016.1, infertile branched colony
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<quantity id="EF7909839042FF8AFBECFA1FFB9FFA10" box="[1025,1086,1412,1435]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="0" pageNumber="336" unit="cm" value="2.0">2 cm</quantity>
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long without hydrorhiza; two microslides from holotype colony. Coral Seamount, Southwest Indian Ocean Ridge (41° 22.31’S, 54° 57’E), depth
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<specimenCount id="3E876FEF9042FF8AFA9EFA3DFF12FA6B" pageId="0" pageNumber="336" type="generic">
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<quantity id="EF7909839042FF8AFA9EFA3DFF0EFA6B" metricMagnitude="2" metricUnit="m" metricValue="7.32" pageId="0" pageNumber="336" unit="m" value="732.0">732 m</quantity>
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.
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</specimenCount>
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Paratype, NMV F231666, infertile branched colony
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<quantity id="EF7909839042FF8AFCFDFA52FCFEFA6B" box="[784,863,1481,1504]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="0" pageNumber="336" unit="cm" value="2.5">2.5 cm</quantity>
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long without hydrorhiza; NMV F231666.1, NMV F231666.2, microslides, from paratype colony. Coral Seamount, Southwest Indian Ocean Ridge (41° 22.31’S, 54° 57’E), depth
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<specimenCount id="3E876FEF9042FF8AFF34F995FE82F9AE" box="[217,291,1550,1573]" pageId="0" pageNumber="336" type="generic">
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<quantity id="EF7909839042FF8AFF34F995FEBEF9AE" box="[217,287,1550,1573]" metricMagnitude="2" metricUnit="m" metricValue="7.32" pageId="0" pageNumber="336" unit="m" value="732.0">732 m</quantity>
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.
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</specimenCount>
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</paragraph>
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</subSubSection>
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<subSubSection id="609BF7ED9042FF88FF2AF9AAFD72FBEC" lastPageId="2" lastPageNumber="338" pageId="0" pageNumber="336" type="description">
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<paragraph id="283EA4669042FF8AFF2AF9AAFE08F906" blockId="0.[151,1436,1376,1955]" pageId="0" pageNumber="336">
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<emphasis id="1AF578749042FF8AFF2AF9AAFEF3F9C3" bold="true" box="[199,338,1585,1608]" pageId="0" pageNumber="336">Description.</emphasis>
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Hydrocaulus thick, heavily fascicled, longest branch
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<quantity id="EF7909839042FF8AFC44F9AAFC56F9C3" box="[937,1015,1585,1608]" metricMagnitude="-2" metricUnit="m" metricValue="3.5" pageId="0" pageNumber="336" unit="mm" value="35.0">35 mm</quantity>
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long and
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<quantity id="EF7909839042FF8AFB80F9AAFB5EF9C3" box="[1133,1279,1585,1608]" metricMagnitude="-4" metricUnit="m" metricValue="1.1" metricValueMax="1.2" metricValueMin="1.0" pageId="0" pageNumber="336" unit="mm" value="0.11" valueMax="0.12" valueMin="0.1">0.1–0.12 mm</quantity>
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wide at base, polysiphonic tubes running parallel up branches. Branching irregularly alternate, planar, directed obliquely upwards from below a hydrotheca.
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</paragraph>
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<paragraph id="283EA4669042FF8AFF2AF902FCE0F828" blockId="0.[151,1436,1376,1955]" pageId="0" pageNumber="336">Hydrothecae alternate, in older stem region immersed in polysiphonic tubes, in younger monosiphonic region adherent to single axial tube. Hydrotheca long, tubular, curving outwards at approximately 60° from axial tube, proximally narrow, gradually increasing in diameter to outward bend, thereafter cylindrical, adnate adcauline wall parallel to axial tube, free wall curving convexly outwards, a small loop in perisarc at base of adnate adcauline wall; abcauline wall smoothly concave. Ratio of free to adnate adcauline wall 1:1.6. Hydranth without caecum and with c. 10 tentacles, a very thin transverse perisarcal lamella anchoring base of hydranth to hydrotheca by thin strands of tissue. Margin of hydrotheca fragile, closed by a gable-shaped operculum of two delicate valves, usually shredded when open, shredding often accompanied by a depression in adcauline wall.</paragraph>
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<caption id="7CFEF4EE9043FF8BFF7AF934FB0CF896" httpUri="https://zenodo.org/record/438601/files/figure.png" pageId="1" pageNumber="337" targetBox="[301,1341,252,1651]" targetPageId="1">
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<paragraph id="283EA4669043FF8BFF7AF934FB0CF896" blockId="1.[151,1436,1711,1821]" pageId="1" pageNumber="337">
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<emphasis id="1AF578749043FF8BFF7AF934FE99F94E" bold="true" box="[151,312,1711,1733]" pageId="1" pageNumber="337">FIGURE 1A–G</emphasis>
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<taxonomicName id="EF81DFE59043FF8BFEADF92BFDA5F94E" box="[320,516,1712,1733]" class="Hydrozoa" family="Tiarannidae" genus="Stegolaria" kingdom="Animalia" order="Leptothecata" pageId="1" pageNumber="337" phylum="Cnidaria" rank="species" species="laevigata" status="sp. nov.">
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<emphasis id="1AF578749043FF8BFEADF92BFDA5F94E" box="[320,516,1712,1733]" italics="true" pageId="1" pageNumber="337">Stegolaria laevigata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="01C6C50F9043FF8BFDE1F934FDFBF94E" box="[524,602,1711,1733]" pageId="1" pageNumber="337" rank="species">
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<emphasis id="1AF578749043FF8BFDE1F934FDFBF94E" bold="true" box="[524,602,1711,1733]" pageId="1" pageNumber="337">sp. nov.</emphasis>
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</taxonomicNameLabel>
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1A, branch of holotype colony. 1B, polysiphonic tubes of branch and monosiphonic hydrocladium. 1C, hydrotheca immersed in axial tubes, two intact opercular valves. 1D, hydrotheca on monosiphonic axial tube with shredded operculum and collapsed free adcauline wall. 1E, basal perisarcal lamella with anchoring spokes of tissue in hydrotheca. 1F, small and large heteroneme nematocysts. Scale bar: A, 10 mm. B, 2 mm. C, D, 0.5 mm. E, 0.2 mm. F, 20µm.
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</paragraph>
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</caption>
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<paragraph id="283EA4669043FF8BFF7AF8D8FCECF8D1" blockId="1.[151,1330,1859,1986]" box="[151,845,1859,1882]" pageId="1" pageNumber="337">Cnidome comprising heteronemes of two sizes, none discharged:</paragraph>
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<paragraph id="283EA4669043FF8BFF7AF8FEFCC8F8F7" blockId="1.[151,1330,1859,1986]" box="[151,873,1893,1916]" pageId="1" pageNumber="337">
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- capsule lozenge-shaped,
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<date id="5C3F82A69043FF8BFE3CF8FEFD86F8F7" box="[465,551,1893,1916]" pageId="1" pageNumber="337" value="1922-10-25">22–25 x</date>
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6–7µm, moderately common,
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</paragraph>
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<paragraph id="283EA4669043FF8BFF7AF813FD98F814" blockId="1.[151,1330,1859,1986]" box="[151,569,1928,1951]" pageId="1" pageNumber="337">
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- capsule oval,
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<date id="5C3F82A69043FF8BFEB4F813FE3BF814" box="[345,410,1928,1951]" pageId="1" pageNumber="337" value="2011-10-04">11 x 4</date>
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µm, very rare.
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</paragraph>
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<paragraph id="283EA4669043FF8BFF2AF830FA93F849" blockId="1.[151,1330,1859,1986]" box="[199,1330,1963,1986]" pageId="1" pageNumber="337">Colour of preserved colony white. Perisarc of accessory tubes moderately thick, hydrothecal perisarc thin.</paragraph>
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<paragraph id="283EA4669040FF88FF2AFF03FD55FF24" blockId="2.[199,756,151,175]" box="[199,756,151,175]" pageId="2" pageNumber="338">
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Measurements (µm) of
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<taxonomicName id="EF81DFE59040FF88FE2FFF0CFD3BFF24" box="[450,666,151,175]" class="Hydrozoa" family="Tiarannidae" genus="Stegolaria" kingdom="Animalia" order="Leptothecata" pageId="2" pageNumber="338" phylum="Cnidaria" rank="species" species="laevigata" status="sp. nov.">
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<emphasis id="1AF578749040FF88FE2FFF0CFD3BFF24" box="[450,666,151,175]" italics="true" pageId="2" pageNumber="338">Stegolaria laevigata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="01C6C50F9040FF88FD4CFF03FD55FF24" box="[673,756,152,175]" pageId="2" pageNumber="338" rank="species">sp. nov.</taxonomicNameLabel>
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</paragraph>
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<paragraph id="283EA4669040FF88FF48FF51FF4BFF54" blockId="2.[159,1112,202,583]" box="[165,234,202,223]" pageId="2" pageNumber="338">Branch</paragraph>
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<paragraph id="283EA4669040FF88FF48FF69FD99FEA4" blockId="2.[159,1112,202,583]" pageId="2" pageNumber="338">distance between alternate hydrothecae 760–800 Hydrotheca (on monosiphonic axial tubes)</paragraph>
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<paragraph id="283EA4669040FF88FF48FED9FDECFC57" blockId="2.[159,1112,202,583]" lastBlockId="2.[151,1436,652,1196]" pageId="2" pageNumber="338">
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overall length to margin 700–1160 length of adnate adcauline wall 656–880 length of free adcauline wall 416–560 length of abcauline wall 860–1280 width at margin 224–240 width at floor 120–160 depth of opercular valve 200–220
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<emphasis id="1AF578749040FF88FF2AFD16FE94FD2F" bold="true" box="[199,309,653,676]" pageId="2" pageNumber="338">Remarks.</emphasis>
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The genus
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<taxonomicName id="EF81DFE59040FF88FE2EFD17FD90FD2F" box="[451,561,652,676]" class="Hydrozoa" family="Tiarannidae" genus="Stegolaria" kingdom="Animalia" order="Leptothecata" pageId="2" pageNumber="338" phylum="Cnidaria" rank="genus">
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<emphasis id="1AF578749040FF88FE2EFD17FD90FD2F" box="[451,561,652,676]" italics="true" pageId="2" pageNumber="338">Stegolaria</emphasis>
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</taxonomicName>
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was instituted by
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<bibRefCitation id="4C10D9979040FF88FCE6FD16FC1BFD2F" author="Stechow" box="[779,954,653,676]" pageId="2" pageNumber="338" refString="Stechow, E. (1913) Neue Genera thecater Hydroiden aus der Familie der Lafoeiden und neue Species von Thecaten aus Japan. Zoologischer Anzeiger, 43, 137 - 144." type="journal article" year="1913">Stechow (1913)</bibRefCitation>
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to accommodate two species,
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<taxonomicName id="EF81DFE59040FF88FAF3FD17FE0EFD4C" authority="Allman, 1888" authorityName="Allman" authorityYear="1888" class="Hydrozoa" family="Lafoeidae" genus="Cryptolaria" kingdom="Animalia" order="Leptothecata" pageId="2" pageNumber="338" phylum="Cnidaria" rank="species" species="geniculata">
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<emphasis id="1AF578749040FF88FAF3FD17FEA9FD4C" italics="true" pageId="2" pageNumber="338">Cryptolaria geniculata</emphasis>
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<bibRefCitation id="4C10D9979040FF88FEF8FD2BFE0EFD4C" author="Allman" box="[277,431,688,711]" pageId="2" pageNumber="338" refString="Allman, G. J. (1888) Report on the Hydroida dredged by H. M. S. Challenger during the years 1873 - 76. Part II. The Tubularinae, Corymorphinae, Campanularinae, Sertularinae and Thalamorphora. Report on the Scientific Results of the Loyage of HMS Challenger 1873 - 76, Zoology, 23, 1 - 90." type="journal article" year="1888">Allman, 1888</bibRefCitation>
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</taxonomicName>
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and
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<taxonomicName id="EF81DFE59040FF88FE1CFD34FC3DFD4C" authority="Nutting, 1905" authorityName="Nutting" authorityYear="1905" box="[497,924,687,711]" class="Hydrozoa" family="Lafoeidae" genus="Cryptolaria" kingdom="Animalia" order="Leptothecata" pageId="2" pageNumber="338" phylum="Cnidaria" rank="species" species="operculata">
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<emphasis id="1AF578749040FF88FE1CFD34FD4EFD4C" box="[497,751,687,711]" italics="true" pageId="2" pageNumber="338">Cryptolaria operculata</emphasis>
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<bibRefCitation id="4C10D9979040FF88FD10FD2BFC3DFD4C" author="Nutting" box="[765,924,688,711]" pageId="2" pageNumber="338" refString="Nutting, C. C. (1905) Hydroids of the Hawaiian Islands collected by the steamer Albatross in 1902. Bulletin of the United States Fish Commission, 23, 931 - 959, pls. 1 - 13." type="journal article" year="1905">Nutting, 1905</bibRefCitation>
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</taxonomicName>
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. A third species,
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<taxonomicName id="EF81DFE59040FF88FB82FD34FAFCFD4C" box="[1135,1373,687,711]" class="Hydrozoa" family="Tiarannidae" genus="Stegolaria" kingdom="Animalia" order="Leptothecata" pageId="2" pageNumber="338" phylum="Cnidaria" rank="species" species="irregularis">
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<emphasis id="1AF578749040FF88FB82FD34FAFCFD4C" box="[1135,1373,687,711]" italics="true" pageId="2" pageNumber="338">Stegolaria irregularis</emphasis>
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</taxonomicName>
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, was described from
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<collectingCountry id="5096E4F69040FF88FED0FD49FE6DFD62" box="[317,460,722,745]" name="New Zealand" pageId="2" pageNumber="338">New Zealand</collectingCountry>
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by
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<bibRefCitation id="4C10D9979040FF88FE1EFD49FD28FD62" author="Totton" box="[499,649,722,745]" pageId="2" pageNumber="338" refString="Totton, A. K. (1930) Coelenterata. Part V. Hydroida. Natural History Report. British Antarctic Terra Nova Expedition 1910, Zoology, 5, 131 - 252." type="journal article" year="1930">Totton (1930)</bibRefCitation>
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.
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<taxonomicName id="EF81DFE59040FF88FD79FD4AFCD8FD62" box="[660,889,721,745]" class="Hydrozoa" family="Tiarannidae" genus="Stegolaria" kingdom="Animalia" order="Leptothecata" pageId="2" pageNumber="338" phylum="Cnidaria" rank="species" species="geniculata">
|
||
<emphasis id="1AF578749040FF88FD79FD4AFCD8FD62" box="[660,889,721,745]" italics="true" pageId="2" pageNumber="338">Stegolaria geniculata</emphasis>
|
||
</taxonomicName>
|
||
is a widely distributed deep water species recorded from world oceans (
|
||
<bibRefCitation id="4C10D9979040FF88FE86FD6EFDA9FC87" author="Vervoort" box="[363,520,757,780]" pageId="2" pageNumber="338" refString="Vervoort, W. (1946) Exotic hydroids in the collection of the Rijksmuseum van Natuurlike Histoirie and the zoological museum at Amsterdam. Rijksmuseum van Natuurlike Histoirie, 1946, 287 - 351." type="journal article" year="1946">Vervoort 1946</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="4C10D9979040FF88FDFEFD6EFCB0FC87" author="Ramil" box="[531,785,757,780]" pageId="2" pageNumber="338" refString="Ramil, F. & Vervoort, W. (1992) Report on the Hydroida collected by the " BALGIM " expedition in and around the Strait of Gibraltar. Zoologische Lerhandelingen, 277, 1 - 262." type="journal article" year="1992">Ramil & Vervoort 1992</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="4C10D9979040FF88FCF1FD6EFBBFFC87" author="Calder" box="[796,1054,757,780]" pageId="2" pageNumber="338" refString="Calder, D. R. & Vervoort, W. (1998) Some hydroids (Cnidaria: Hydrozoa) from the mid-Atlantic Ridge, in the North Atlantic Ocean. Zoologische Lerhandelingen, 319, 1 - 65." type="journal article" year="1998">Calder & Vervoort 1998</bibRefCitation>
|
||
) and
|
||
<taxonomicName id="EF81DFE59040FF88FBB4FD6EFB47FC87" box="[1113,1254,756,780]" class="Hydrozoa" family="Lafoeidae" genus="Cryptolaria" kingdom="Animalia" order="Leptothecata" pageId="2" pageNumber="338" phylum="Cnidaria" rank="species" species="operculata">
|
||
<emphasis id="1AF578749040FF88FBB4FD6EFB47FC87" box="[1113,1254,756,780]" italics="true" pageId="2" pageNumber="338">S. operculata</emphasis>
|
||
</taxonomicName>
|
||
is recorded from the Hawaiian Islands and the
|
||
<collectingCountry id="5096E4F69040FF88FE0FFC83FDD5FCA4" box="[482,628,792,815]" name="New Zealand" pageId="2" pageNumber="338">New Zealand</collectingCountry>
|
||
region (
|
||
<bibRefCitation id="4C10D9979040FF88FD3FFC83FC4CFCA4" author="Vervoort" box="[722,1005,792,815]" pageId="2" pageNumber="338" refString="Vervoort, W. & Watson, J. E. (2003) The Marine Fauna of New Zealand. Leptothecata (Cnidaria: Hydrozoa) (Thecate Hydroids). NIWA Biodiversity Memoir, 119, 1 - 538." type="journal article" year="2003">Vervoort & Watson 2003</bibRefCitation>
|
||
). Allman’s description and figure of
|
||
<taxonomicName id="EF81DFE59040FF88FA65FC8CFEA9FCDA" class="Hydrozoa" family="Tiarannidae" genus="Stegolaria" kingdom="Animalia" order="Leptothecata" pageId="2" pageNumber="338" phylum="Cnidaria" rank="species" species="geniculata">
|
||
<emphasis id="1AF578749040FF88FA65FC8CFEA9FCDA" italics="true" pageId="2" pageNumber="338">S. geniculata</emphasis>
|
||
</taxonomicName>
|
||
are of a distinctly geniculate hydrocaulus, a hydrotheca with a gable-shaped operculum, (probably readily shredded), and a smooth flask-shaped gonotheca with circular orifice.
|
||
<bibRefCitation id="4C10D9979040FF88FC4BFCC6FB9CFCFF" author="Totton" box="[934,1085,861,884]" pageId="2" pageNumber="338" refString="Totton, A. K. (1930) Coelenterata. Part V. Hydroida. Natural History Report. British Antarctic Terra Nova Expedition 1910, Zoology, 5, 131 - 252." type="journal article" year="1930">Totton (1930)</bibRefCitation>
|
||
described but did not figure
|
||
<emphasis id="1AF578749040FF88FA65FCC6FEB0FC1C" italics="true" pageId="2" pageNumber="338">
|
||
<taxonomicName id="EF81DFE59040FF88FA65FCC6FEACFC1C" class="Hydrozoa" family="Tiarannidae" genus="Stegolaria" kingdom="Animalia" order="Leptothecata" pageId="2" pageNumber="338" phylum="Cnidaria" rank="species" species="irregularis">S. irregularis</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
The hydrocaulus was figured by
|
||
<bibRefCitation id="4C10D9979040FF88FD7DFC1BFC83FC1C" author="Ralph" box="[656,802,896,919]" pageId="2" pageNumber="338" refString="Ralph, P. M. (1957) New Zealand Thecate hydroids Part 1. Campanulariidae and Campanulinidae. Transactions of the Royal Society of New Zealand, 84, 811 - 854." type="journal article" year="1957">Ralph (1957)</bibRefCitation>
|
||
from the
|
||
<typeStatus id="F73A1AC49040FF88FC7AFC1BFC64FC1C" box="[919,965,896,919]" pageId="2" pageNumber="338">type</typeStatus>
|
||
specimen and
|
||
<bibRefCitation id="4C10D9979040FF88FB9FFC1BFA3DFC1C" author="Vervoort" box="[1138,1436,896,919]" pageId="2" pageNumber="338" refString="Vervoort, W. & Watson, J. E. (2003) The Marine Fauna of New Zealand. Leptothecata (Cnidaria: Hydrozoa) (Thecate Hydroids). NIWA Biodiversity Memoir, 119, 1 - 538." type="journal article" year="2003">Vervoort & Watson (2003)</bibRefCitation>
|
||
described and figured a tubular gonotheca with a plicate conical operculum from
|
||
<collectingCountry id="5096E4F69040FF88FBA2FC39FB49FC32" box="[1103,1256,930,953]" name="New Zealand" pageId="2" pageNumber="338">New Zealand</collectingCountry>
|
||
. None of these descriptions match the present specimen.
|
||
</paragraph>
|
||
<paragraph id="283EA4669040FF88FF2AFC73FD72FBEC" blockId="2.[151,1436,652,1196]" pageId="2" pageNumber="338">
|
||
<bibRefCitation id="4C10D9979040FF88FF2AFC73FE4BFC74" author="Watson" box="[199,490,1000,1023]" pageId="2" pageNumber="338" refString="Watson, J. E. & Vervoort, W. (2001) The hydroid fauna of Tasmanian seamounts. Zoologische Lerhandelingen, 334, 151 - 187." type="journal article" year="2001">Watson & Vervoort (2001)</bibRefCitation>
|
||
doubtfully assigned a species from south-east of
|
||
<collectingRegion id="EA456A849040FF88FBE7FC73FBD1FC74" box="[1034,1136,1000,1023]" country="Australia" name="Tasmania" pageId="2" pageNumber="338">Tasmania</collectingRegion>
|
||
(46° S, depth
|
||
<quantity id="EF7909839040FF88FAFEFC73FAF8FC74" box="[1299,1369,1000,1023]" metricMagnitude="2" metricUnit="m" metricValue="8.0" pageId="2" pageNumber="338" unit="m" value="800.0">800 m</quantity>
|
||
) to
|
||
<taxonomicName id="EF81DFE59040FF88FA65FC7CFE17FBAA" authority="Allman, 1888" authorityName="Allman" authorityYear="1888" class="Hydrozoa" family="Tiarannidae" genus="Stegolaria" kingdom="Animalia" order="Leptothecata" pageId="2" pageNumber="338" phylum="Cnidaria" rank="species" species="geniculata">
|
||
<emphasis id="1AF578749040FF88FA65FC7CFEA9FBAA" italics="true" pageId="2" pageNumber="338">S. geniculata</emphasis>
|
||
(
|
||
<bibRefCitation id="4C10D9979040FF88FEFBFB91FE0EFBAA" author="Allman" box="[278,431,1034,1057]" pageId="2" pageNumber="338" refString="Allman, G. J. (1888) Report on the Hydroida dredged by H. M. S. Challenger during the years 1873 - 76. Part II. The Tubularinae, Corymorphinae, Campanularinae, Sertularinae and Thalamorphora. Report on the Scientific Results of the Loyage of HMS Challenger 1873 - 76, Zoology, 23, 1 - 90." type="journal article" year="1888">Allman, 1888</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. Their species had a smooth gable-shaped hydrothecal operculum, a gonotheca with a scoopshaped aperture and operculum of a single flap. The match of colony morphology and hydrothecal dimensions leaves little doubt that the Tasmanian species is
|
||
<emphasis id="1AF578749040FF88FDA0FBD4FD72FBEC" box="[589,723,1103,1127]" italics="true" pageId="2" pageNumber="338">
|
||
<taxonomicName id="EF81DFE59040FF88FDA0FBD4FD6EFBEC" box="[589,719,1103,1127]" class="Hydrozoa" family="Tiarannidae" genus="Stegolaria" kingdom="Animalia" order="Leptothecata" pageId="2" pageNumber="338" phylum="Cnidaria" rank="species" species="laevigata">S. laevigata</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="609BF7ED9040FF88FF2AFBE9FE05FB27" pageId="2" pageNumber="338" type="etymology">
|
||
<paragraph id="283EA4669040FF88FF2AFBE9FE05FB27" blockId="2.[151,1436,652,1196]" pageId="2" pageNumber="338">
|
||
<emphasis id="1AF578749040FF88FF2AFBE9FEE1FB02" bold="true" box="[199,320,1138,1161]" pageId="2" pageNumber="338">Etymology</emphasis>
|
||
. The specific name derived from the Latin word
|
||
<emphasis id="1AF578749040FF88FC76FBEAFC78FB02" box="[923,985,1137,1161]" italics="true" pageId="2" pageNumber="338">laevis</emphasis>
|
||
refers to the smooth hydrothecal that distinguishes the species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |