138 lines
16 KiB
XML
138 lines
16 KiB
XML
<document id="F009CDDD26FFB34B7350EA9B541FA9EA" ID-DOI="10.5281/zenodo.205235" ID-GBIF-Dataset="58869148-c1e6-483c-9a76-0f1976cdeda9" ID-ISSN="1175-5326" ID-Zenodo-Dep="205235" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460124878277" checkinUser="plazi" docAuthor="Galea, Horia R." docDate="2010" docId="03E7237EFFF04D55FF771A80F61EFF44" docLanguage="en" docName="zt02336p018.pdf.imf" docOrigin="Zootaxa 2336" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Halecium beanii Johnston 1838" docType="treatment" docVersion="13" lastPageNumber="5" masterDocId="FFDE5B06FFF34D51FFE01E40F349FFB8" masterDocTitle="Notes on a small collection of thecate hydroids (Cnidaria: Hydrozoa) from Tristan da Cunha, south Atlantic" masterLastPageNumber="18" masterPageNumber="1" pageNumber="4" updateTime="1698235000374" updateUser="plazi">
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<mods:titleInfo id="FB38B3635D3E26024AE702233C6A4C67">
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<mods:title id="E6AA605D0D6ABA16CCA214D792146368">Notes on a small collection of thecate hydroids (Cnidaria: Hydrozoa) from Tristan da Cunha, south Atlantic</mods:title>
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<mods:name id="BBC8500F840ACF4231E2F162232FB974" type="personal">
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<mods:roleTerm id="2134E289A854FA7592EE1E77703BED79">Author</mods:roleTerm>
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<mods:namePart id="148D3399BE11474048E08E25D0D43FAD">Galea, Horia R.</mods:namePart>
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<mods:typeOfResource id="D1C227F20F528859E426652AA9F9694A">text</mods:typeOfResource>
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<mods:title id="1D2361F6A6CC01609ADF7F19CD4087CC">Zootaxa</mods:title>
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<mods:part id="617D30F492A4F00DBE7DAD4DB96F1CBF">
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<mods:date id="CDDD4873AA1B446CB3D839232BBCA504">2010</mods:date>
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<mods:detail id="DBA5E5272DDA173323216C5099BDCC66" type="volume">
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<mods:number id="51C822E86F6F0C14FFBA1D52C6C80F6D">2336</mods:number>
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<mods:start id="6CD45EAAFDA32F9D13B9F6D06F9BA55E">1</mods:start>
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<mods:classification id="93006D8C97A660B1143ADE598FD97326">journal article</mods:classification>
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<mods:identifier id="324BDC0C22AB0424F80BD525D1CAD8EC" type="DOI">10.5281/zenodo.205235</mods:identifier>
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<mods:identifier id="F95A7E14BDECF02FE31033708B11D804" type="GBIF-Dataset">58869148-c1e6-483c-9a76-0f1976cdeda9</mods:identifier>
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<mods:identifier id="443F5D9A12EAAE9EB8F934E6D3007AA3" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="28D3F2FFB7DBADE498D18510B3681039" type="Zenodo-Dep">205235</mods:identifier>
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<treatment id="03E7237EFFF04D55FF771A80F61EFF44" ID-DOI="http://doi.org/10.5281/zenodo.6209985" ID-GBIF-Taxon="124955518" ID-Zenodo-Dep="6209985" LSID="urn:lsid:plazi:treatment:03E7237EFFF04D55FF771A80F61EFF44" httpUri="http://treatment.plazi.org/id/03E7237EFFF04D55FF771A80F61EFF44" lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4">
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<subSubSection id="C354C1E3FFF04D52FF771A80F3B7FB44" pageId="3" pageNumber="4" type="nomenclature">
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<paragraph id="8BF19268FFF04D52FF771A80F112FB62" blockId="3.[151,603,1216,1276]" box="[151,603,1216,1242]" pageId="3" pageNumber="4">
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<heading id="D0B92504FFF04D52FF771A80F112FB62" bold="true" box="[151,603,1216,1242]" fontSize="11" level="1" pageId="3" pageNumber="4" reason="1">
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<taxonomicName id="4C4EE9EBFFF04D52FF771A80F112FB62" ID-CoL="3JB36" authority="Johnston, 1838" authorityName="Johnston" authorityYear="1838" box="[151,603,1216,1242]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="beanii">
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<emphasis id="B93A4E7AFFF04D52FF771A80F112FB62" bold="true" box="[151,603,1216,1242]" pageId="3" pageNumber="4">
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<emphasis id="B93A4E7AFFF04D52FF771A80F247FB62" bold="true" box="[151,270,1216,1242]" italics="true" pageId="3" pageNumber="4">Halecium</emphasis>
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cf.
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<emphasis id="B93A4E7AFFF04D52FEDA1A80F2CCFB62" bold="true" box="[314,389,1216,1242]" italics="true" pageId="3" pageNumber="4">beanii</emphasis>
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(Johnston, 1838)
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8BF19268FFF04D52FF771AA2F3B7FB44" blockId="3.[151,603,1216,1276]" box="[151,254,1250,1276]" pageId="3" pageNumber="4">
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(
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<figureCitation id="13758EEDFFF04D52FF7F1AA2F397FB44" box="[159,222,1250,1276]" captionStart="FIGURE 3" captionStartId="4.[151,255,1745,1769]" captionTargetBox="[219,1378,312,1726]" captionTargetId="figure@4.[216,1378,309,1726]" captionTargetPageId="4" captionText="FIGURE 3. A and B: Filellum sp. (material from station Stn. I 10) – portion of colony (A); hydrotheca (B). C: Halecium sp. – four erect stems. D: Halecium cf. beanii (Johnston, 1838) – fragment of monosiphonic part of stem with origin of a side branch. E and F: Halecium cf. delicatulum (Coughtrey, 1876), morphotype 1 – portion of stem (E); hydrotheca (F). G to P: Halecium? delicatulum (Coughtrey, 1876), morphotype 2 (part) – whole colony on piece of alga (G); cross section through the stolon (H); basal part of stem (I); portion of colony (J); various branching patterns (K – M); fragment of stem showing internodes (N); various shapes of primary hydrophores (O); gonotheca arising from primary hydrophore (P). Scale bars: 50 µm (H); 100 µm (F); 200 µm (B, F, O); 300 µm (A, E, I, P); 400 µm (D, K, L, M); 500 µm (N); 2 mm (J); 1 cm (G)." httpUri="https://zenodo.org/record/205238/files/figure.png" pageId="3" pageNumber="4">fig. 3</figureCitation>
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D)
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</paragraph>
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</subSubSection>
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<subSubSection id="C354C1E3FFF04D52FF771B6DF1F8FADC" pageId="3" pageNumber="4" type="reference_group">
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<paragraph id="8BF19268FFF04D52FF771B6DF1DFFAFC" blockId="3.[151,689,1325,1380]" box="[151,662,1325,1348]" pageId="3" pageNumber="4">
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<taxonomicName id="4C4EE9EBFFF04D52FF771B6DF2BEFAFC" authority="Johnston, 1838: 120" authorityName="Johnston" authorityPageNumber="120" authorityYear="1838" box="[151,503,1325,1348]" class="Insecta" family="Diaspididae" genus="Thoa" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="beanii">
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<emphasis id="B93A4E7AFFF04D52FF771B6DF25EFAFC" box="[151,279,1325,1348]" italics="true" pageId="3" pageNumber="4">Thoa beanii</emphasis>
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Johnston, 1838: 120
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</taxonomicName>
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, pl. 7
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<figureCitation id="13758EEDFFF04D52FDD81B6DF1DBFAFC" box="[568,658,1325,1348]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStartId-0="1.[151,255,1904,1928]" captionStartId-1="2.[151,256,1163,1187]" captionTargetBox-0="[151,1436,754,1880]" captionTargetBox-1="[151,1436,197,1142]" captionTargetId-0="figure@1.[151,1436,754,1880]" captionTargetId-1="figure@2.[151,1436,197,1142]" captionTargetPageId-0="1" captionTargetPageId-1="2" captionText-0="FIGURE 1. Map of the Tristan da Cunha archipelago, with the location of stations yielding hydroid material." captionText-1="FIGURE 2. Typical habitats for hydroids on Tristan de Cunha. A and E: Dense Aglaophenia parvula Bale, 1882 tufts growing on wave-surged reef crest with sponges and colonial anemones. B: Silicularia rosea Meyen, 1834 and Obelia geniculata (Linnaeus, 1758) on Macrocystis pyrifera fronds. C: Antenella quadriaurita Ritchie, 1909 on vertical rock face with bryozoans, sponges and ascidians. D: Sertularella gayi (Lamouroux, 1821) and smaller hydroids growing on bedrock at 30 m. Photo courtesy of Sue Scott (A, B, C, and E) and Paul Tyler (D)." httpUri-0="https://zenodo.org/record/205236/files/figure.png" httpUri-1="https://zenodo.org/record/208193/files/figure.png" pageId="3" pageNumber="4">figs 1–2</figureCitation>
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.
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</paragraph>
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<paragraph id="8BF19268FFF04D52FF771B0DF1F8FADC" blockId="3.[151,689,1325,1380]" box="[151,689,1357,1380]" pageId="3" pageNumber="4">
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<taxonomicName id="4C4EE9EBFFF04D52FF771B0DF201FADC" ID-CoL="3JB36" box="[151,328,1357,1380]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="beanii">
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<emphasis id="B93A4E7AFFF04D52FF771B0DF201FADC" box="[151,328,1357,1380]" italics="true" pageId="3" pageNumber="4">Halecium beanii</emphasis>
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</taxonomicName>
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– Schuchert, 2005: 615,
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<figureCitation id="13758EEDFFF04D52FDB31B0DF1C6FADC" box="[595,655,1357,1380]" captionStart="FIGURE 5" captionStartId="11.[151,258,1034,1058]" captionTargetBox="[177,1410,425,1012]" captionTargetId="figure@11.[173,1413,421,1013]" captionTargetPageId="11" captionText="FIGURE 5. A to C: Plumularia setacea (Linnaeus, 1758) – stem internode and basal part of cladium (A); female gonotheca (B); stolonal nematothecae (C). D: Silicularia rosea Meyen, 1834 – hydrotheca (middle), female (left) and male (right) gonothecae. E: Clytia gracilis (M. Sars, 1850) – hydrotheca atop its pedicel. F: Clytia paulensis (Vanhöffen, 1910) – hydrotheca atop its pedicel. G: Obelia dichotoma (Linnaeus, 1758) – fragment of stem with hydrotheca. H: Obelia geniculata (Linnaeus, 1758) – stem internode with hydrotheca. Scale bars: 100 µm (C); 200 µm (G); 300 µm (A, B, F, H); 400 µm (E); 1 mm (D)." httpUri="https://zenodo.org/record/205240/files/figure.png" pageId="3" pageNumber="4">figs 5</figureCitation>
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–6.
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</paragraph>
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</subSubSection>
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<subSubSection id="C354C1E3FFF04D52FF771BD2F241FA6A" pageId="3" pageNumber="4" type="materials_examined">
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<paragraph id="8BF19268FFF04D52FF771BD2F241FA6A" blockId="3.[151,1437,1426,1900]" pageId="3" pageNumber="4">
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<emphasis id="B93A4E7AFFF04D52FF771BD2F14EFA14" bold="true" box="[151,519,1426,1452]" pageId="3" pageNumber="4">Material examined. Stn. T10</emphasis>
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,
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<date id="FFF0B4A8FFF04D52FDF71BD2F1DFFA14" box="[535,662,1426,1452]" pageId="3" pageNumber="4" value="2005-02-15">15.ii.2005</date>
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: one sterile colony, 5.5 cm high, with polysiphonic stem (
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<collectionCode id="ED5F0AADFFF04D52FAB51BD2F6D5FA14" box="[1365,1436,1426,1452]" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14908" name="University of Nottingham" pageId="3" pageNumber="4">NHM</collectionCode>
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2009.17).
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</paragraph>
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</subSubSection>
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<subSubSection id="C354C1E3FFF04D55FF261B9DF779FF0A" lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4" type="discussion">
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<paragraph id="8BF19268FFF04D52FF261B9DF16FF9FA" blockId="3.[151,1437,1426,1900]" pageId="3" pageNumber="4">
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<emphasis id="B93A4E7AFFF04D52FF261B9DF271FA4F" bold="true" box="[198,312,1501,1527]" pageId="3" pageNumber="4">Remarks</emphasis>
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. The examined specimen is provisionally assigned to Johnston’s (1838) species on the account of its polysiphonic, irregularly branched stem. However, additional fertile female specimens are necessary to validate the present identification.
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</paragraph>
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<paragraph id="8BF19268FFF04D52FF24180DF255F89A" blockId="3.[151,1437,1426,1900]" pageId="3" pageNumber="4">
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Millard (1975) observed both
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<taxonomicName id="4C4EE9EBFFF04D52FDCD180EF1D4F9DF" box="[557,669,1614,1639]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="beanii">
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<emphasis id="B93A4E7AFFF04D52FDCD180EF1D4F9DF" box="[557,669,1614,1639]" italics="true" pageId="3" pageNumber="4">H. beanii</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C4EE9EBFFF04D52FD38180EF707F9DF" authority="Linnaeus, 1758" authorityName="Linnaeus" authorityYear="1758" box="[728,1102,1613,1639]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="halecinum">
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<emphasis id="B93A4E7AFFF04D52FD38180EF030F9DF" box="[728,889,1614,1639]" italics="true" pageId="3" pageNumber="4">H. halecinum</emphasis>
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(Linnaeus, 1758)
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</taxonomicName>
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in
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<collectingCountry id="F359D2F8FFF04D52FB95180DF658F9DF" box="[1141,1297,1613,1639]" name="South Africa" pageId="3" pageNumber="4">
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<collectingRegion id="498A5C8AFFF04D52FB95180DF7F3F9DF" box="[1141,1210,1613,1639]" country="Tanzania" name="Kusini Unguja" pageId="3" pageNumber="4">South</collectingRegion>
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Africa
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</collectingCountry>
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, the closest location to
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<collectingRegion id="498A5C8AFFF04D52FEFA1832F2A1F934" box="[282,488,1650,1676]" country="Saint Helena, Ascension and Tristan da Cunha" name="Tristan da Cunha" pageId="3" pageNumber="4">
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<collectingCountry id="F359D2F8FFF04D52FEFA1832F2A1F934" box="[282,488,1650,1676]" name="Saint Helena, Ascension and Tristan da Cunha" pageId="3" pageNumber="4">Tristan da Cunha</collectingCountry>
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</collectingRegion>
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. She also warned about the impossibility of proper identification of these species in the absence of female gonothecae. On the other hand, Cornelius (1995a) showed that Linnaeus’ (1758) species always forms regularly pinnate colonies, while the stems of
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<taxonomicName id="4C4EE9EBFFF04D52FC0918FEF717F96F" box="[1001,1118,1726,1751]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="beanii">
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<emphasis id="B93A4E7AFFF04D52FC0918FEF717F96F" box="[1001,1118,1726,1751]" italics="true" pageId="3" pageNumber="4">H. beanii</emphasis>
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</taxonomicName>
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are “imperfectly pinnate, shrubby, varied in appearance”, a conclusion partly shared by Schuchert (2005), who showed several exceptions.
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</paragraph>
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<paragraph id="8BF19268FFF04D52FF24196DF3ACF848" blockId="3.[151,1437,1426,1900]" lastBlockId="3.[151,1436,1977,2032]" pageId="3" pageNumber="4">
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Although Millard (1975) did not discuss any morphological peculiarities in the female gonothecae of
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<taxonomicName id="4C4EE9EBFFF04D52FA9F196EF3A8F8D4" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="3" pageNumber="4" phylum="Cnidaria" rank="species" species="beanii">
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<emphasis id="B93A4E7AFFF04D52FA9F196EF3A8F8D4" italics="true" pageId="3" pageNumber="4">H. beanii</emphasis>
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</taxonomicName>
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from
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<collectingCountry id="F359D2F8FFF04D52FECB1912F281F8D4" box="[299,456,1874,1900]" name="South Africa" pageId="3" pageNumber="4">
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<collectingRegion id="498A5C8AFFF04D52FECB1912F239F8D4" box="[299,368,1874,1900]" country="Tanzania" name="Kusini Unguja" pageId="3" pageNumber="4">South</collectingRegion>
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Africa
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</collectingCountry>
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, Schuchert (2005) showed several important differences (polygonal cross-section, 1. Torrey’s (1902) species has sessile primary hydrothecae, not terminal on branches, as illustrated by Jäderholm (1920).
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</paragraph>
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<paragraph id="8BF19268FFF74D55FF771ED8F779FF0A" blockId="4.[151,1436,152,252]" box="[151,1072,152,178]" pageId="4" pageNumber="5">increased number of eggs), rendering it distinct from the European population.</paragraph>
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</subSubSection>
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<subSubSection id="C354C1E3FFF74D55FF241EFDF61EFF44" pageId="4" pageNumber="5" type="distribution">
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<paragraph id="8BF19268FFF74D55FF241EFDF61EFF44" blockId="4.[151,1436,152,252]" pageId="4" pageNumber="5">
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<emphasis id="B93A4E7AFFF74D55FF241EFDF217FF6F" bold="true" box="[196,350,189,215]" pageId="4" pageNumber="5">Distribution</emphasis>
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. Cosmopolitan, penetrating well into the Arctic Ocean and the coasts of Patagonia, but not into the Antarctic (Medel & Vervoort 2000). This is the first record of this species for
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<collectingCountry id="F359D2F8FFF74D55FB671EA2F61DFF44" box="[1159,1364,226,252]" name="Saint Helena, Ascension and Tristan da Cunha" pageId="4" pageNumber="5">
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<collectingRegion id="498A5C8AFFF74D55FB671EA2F61DFF44" box="[1159,1364,226,252]" country="Saint Helena, Ascension and Tristan da Cunha" name="Tristan da Cunha" pageId="4" pageNumber="5">Tristan da Cunha</collectingRegion>
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</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |