369 lines
51 KiB
XML
369 lines
51 KiB
XML
<document id="F914A29B21EDB426CCF71385E01499EF" ID-CLB-Dataset="36804" ID-DOI="10.11646/zootaxa.3852.1.1" ID-GBIF-Dataset="2fb83006-f93c-4492-aed0-f5f0707f553e" ID-ISSN="1175-5326" ID-Zenodo-Dep="286956" ID-ZooBank="7DE3BCBA-E5F0-4F0D-B2FD-B5B59E4DAE51" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460883007773" checkinUser="plazi" docAuthor="Galea, Horia R., Schories, Dirk, Försterra, Günter & Häussermann, Verena" docDate="2014" docId="03D92A2C477EFFC0FF5181A258B0A437" docLanguage="en" docName="zt03852p050.pdf" docOrigin="Zootaxa 3852 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Halecium platythecum Galea, Forsterra & Haussermann, sp. nov." docType="treatment" docVersion="15" lastPageNumber="25" masterDocId="FFE052544768FFD8FFC68437590FA657" masterDocTitle="New species and new records of hydroids (Cnidaria: Hydrozoa) from Chile" masterLastPageNumber="50" masterPageNumber="1" pageNumber="23" updateTime="1698380691636" updateUser="ExternalLinkService">
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<mods:title id="017A3D692B9FF6B6E7CC1D97ABE15D27">New species and new records of hydroids (Cnidaria: Hydrozoa) from Chile</mods:title>
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<mods:namePart id="3388BD1E9C846E936267533E2BA3EE30">Galea, Horia R.</mods:namePart>
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<mods:namePart id="6B38692652C3DB01DC7313B150603CB1">Schories, Dirk</mods:namePart>
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<mods:namePart id="C818B5C30CDA316255EC6A97775AD48B">Försterra, Günter</mods:namePart>
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<mods:namePart id="0DB019CBEDC996ECBADCC865F131404D">Häussermann, Verena</mods:namePart>
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<mods:title id="2B79901506A2EC6CB0F7E8F55A114F17">Zootaxa</mods:title>
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<mods:date id="903120EBAB0BE6CE56572A3256369FBF">2014</mods:date>
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<mods:number id="49D6B9EB6D0E63033A366B144ED7F37C">3852</mods:number>
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<treatment id="03D92A2C477EFFC0FF5181A258B0A437" ID-DOI="http://doi.org/10.5281/zenodo.6143185" ID-GBIF-Taxon="127669460" ID-Zenodo-Dep="6143185" LSID="urn:lsid:plazi:treatment:03D92A2C477EFFC0FF5181A258B0A437" httpUri="http://treatment.plazi.org/id/03D92A2C477EFFC0FF5181A258B0A437" lastPageId="24" lastPageNumber="25" pageId="22" pageNumber="23">
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<subSubSection id="C36AC8B1477EFFCEFF5181A25B35A386" pageId="22" pageNumber="23" type="nomenclature">
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<paragraph id="8BCF9B3A477EFFCEFF5181A25ACDA3E7" blockId="22.[151,962,1429,1489]" box="[151,962,1429,1456]" pageId="22" pageNumber="23">
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<heading id="D0872C56477EFFCEFF5181A25ACDA3E7" bold="true" box="[151,962,1429,1456]" fontSize="11" level="1" pageId="22" pageNumber="23" reason="1">
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<emphasis id="B9044728477EFFCEFF5181A25ACDA3E7" bold="true" box="[151,962,1429,1456]" pageId="22" pageNumber="23">
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<taxonomicName id="4C70E0B9477EFFCEFF5181A25A57A3E7" ID-CoL="3JB68" authority="Galea, Forsterra & Haussermann" authorityName="Galea, Forsterra & Haussermann" box="[151,856,1429,1456]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="23" phylum="Cnidaria" rank="species" species="platythecum" status="sp. nov.">
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<emphasis id="B9044728477EFFCEFF5181A258A6A3F8" bold="true" box="[151,425,1429,1455]" italics="true" pageId="22" pageNumber="23">Halecium platythecum</emphasis>
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Galea, Försterra & Häussermann
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</taxonomicName>
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,
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<taxonomicNameLabel id="A237FA53477EFFCEFCA381A15ACDA3E7" box="[869,962,1430,1456]" pageId="22" pageNumber="23" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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||
</paragraph>
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<paragraph id="8BCF9B3A477EFFCEFF51818F5B35A386" blockId="22.[151,962,1429,1489]" box="[151,570,1464,1489]" pageId="22" pageNumber="23">
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||
(Plate 2D;
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<figureCitation id="134B87BF477EFFCEFED6818F585AA386" box="[272,341,1464,1489]" captionStart="FIGURE 2. A, B" captionStartId="15.[151,250,1739,1761]" captionTargetBox="[154,1435,200,1713]" captionTargetId="figure@15.[151,1436,195,1713]" captionTargetPageId="15" captionText="FIGURE 2. A, B: Halecium flexile Allman, 1888 — portion of stem (A) compared with H. balei Fraser, 1911 (C); detail of hydrophore and renovated hydrotheca (B), and comparison with H. balei (D). E, F: Halecium humeriformis sp. nov. — stem fragments (E); hydrophore and renovated hydrotheca (F). G, H: Halecium maximum sp. nov. — stem fragments (G); hydrophore and renovated hydrotheca (H). I ‒ L: Halecium modestum sp. nov. — stem fragments (I ‒ K); hydrophore with hydrotheca (L). M, N: Halecium platythecum sp. nov. — stem fragment (M); hydrophore and renovated hydrotheca (N). Scale bars: 300 µm (B, D, F, H, L, N) and 1 mm (A, C, E, G, I ‒ K, M)." httpUri="https://zenodo.org/record/286958/files/figure.png" pageId="22" pageNumber="23">Figs 2</figureCitation>
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M, N;
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<date id="FFCEBDFA477EFFCEFE59818E58B6A386" box="[415,441,1465,1489]" pageId="22" pageNumber="23">3I</date>
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, J;
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<tableCitation id="C6F2AE81477EFFCEFE18818F5B3DA386" box="[478,562,1464,1489]" captionStart="TABLE 4" captionStartId="16.[119,198,625,645]" captionTargetBox="[123,1651,795,1735]" captionTargetPageId="16" captionText="TABLE 4. Morphometrics of Halecium species discussed in the present study; dimensions in µm." httpUri="http://table.plazi.org/id/DF0FCBB24778FFC8FFB186465D02A4D2" pageId="22" pageNumber="23" tableUuid="DF0FCBB24778FFC8FFB186465D02A4D2">Table 4</tableCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C36AC8B1477EFFCEFF5182375A92A062" pageId="22" pageNumber="23" type="reference_group">
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<paragraph id="8BCF9B3A477EFFCEFF5182375A92A062" blockId="22.[151,1082,1536,1589]" pageId="22" pageNumber="23">
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<taxonomicName id="4C70E0B9477EFFCEFF5182375878A041" ID-CoL="3JB3P" box="[151,375,1536,1558]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="23" phylum="Cnidaria" rank="species" species="delicatulum">
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<emphasis id="B9044728477EFFCEFF5182375878A041" box="[151,375,1536,1558]" italics="true" pageId="22" pageNumber="23">Halecium delicatulum</emphasis>
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</taxonomicName>
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―Galea, 2007: 54, Fig. 12E–H (not
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<date id="FFCEBDFA477EFFCEFD2C82375A02A041" box="[746,781,1536,1558]" pageId="22" pageNumber="23" value="2012-01">12I</date>
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, J =
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<taxonomicName id="4C70E0B9477EFFCEFCFB82355D21A041" ID-CoL="6KY5H" authority="Allman, 1888" authorityName="Allman" authorityYear="1888" box="[829,1070,1536,1559]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="23" phylum="Cnidaria" rank="species" species="flexile">
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<emphasis id="B9044728477EFFCEFCFB82355A96A041" box="[829,921,1536,1559]" italics="true" pageId="22" pageNumber="23">H. flexile</emphasis>
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<bibRefCitation id="EFE1E6CB477EFFCEFC5982375D21A041" author="Allman" box="[927,1070,1536,1558]" pageId="22" pageNumber="23" 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 Thalamophora. Report on the Scientific Results of the Voyage of H. M. S. Challenger during the year 1873 - 76, Zoology, 23 (70), 1 - 90." type="journal article" year="1888">Allman, 1888</bibRefCitation>
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</taxonomicName>
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). not
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<taxonomicName id="4C70E0B9477EFFCEFF7B82285B81A062" ID-CoL="3JB3P" authority="Coughtrey, 1876a: 299" authorityName="Coughtrey" authorityPageNumber="299" authorityYear="1876" box="[189,654,1567,1589]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="23" phylum="Cnidaria" rank="species" species="delicatulum">
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<emphasis id="B9044728477EFFCEFF7B82285891A062" box="[189,414,1567,1589]" italics="true" pageId="22" pageNumber="23">Halecium delicatulum</emphasis>
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||
<bibRefCitation id="EFE1E6CB477EFFCEFE6282285B53A062" author="Coughtrey" box="[420,604,1567,1589]" pageId="22" pageNumber="23" refString="Coughtrey, M. (1876 a) Critical notes on the New Zealand Hydroida. Transactions and Proceeding of the New Zealand Institute, 8, 298 - 302." type="journal article" year="1876" yearSuffix="a">Coughtrey, 1876a</bibRefCitation>
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: 299
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</taxonomicName>
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; 1876b: 26, pl. 3
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<figureCitation id="134B87BF477EFFCEFCF882285A71A062" box="[830,894,1567,1589]" captionStart="FIGURE 4. A ‒ F, M" captionStartId="20.[151,250,1819,1841]" captionTargetBox="[154,1431,248,1754]" captionTargetId="figure@20.[151,1436,243,1755]" captionTargetPageId="20" captionText="FIGURE 4. A ‒ F, M: Cnidomes of some Halecium species discussed herein— H. flexile Allman, 1888 (A); H. balei (B); H. humeriformis sp. nov. (C); H. maximum sp. nov. (D); H. tristaniensis sp. nov. (E); H. modestum sp. nov. (F). G: Halecium pallens Jäderholm, 1904 — female gonotheca. H ‒ M: Halecium tehuelchum (d’Orbigny, 1842) — fragments of colonies (H), primary hydrophore and renovated hydrotheca (I); female gonotheca (J) and shape variation (K); male gonothecae (L); cnidome (M). Scale bars: 10 µm (A ‒ F, M); 300 µm (I, J, L), 500 µm (G, K), 1 mm (H)." httpUri="https://zenodo.org/record/286959/files/figure.png" pageId="22" pageNumber="23">Figs 4</figureCitation>
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,
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<figureCitation id="134B87BF477EFFCEFC4C82285A96A062" box="[906,921,1567,1589]" captionStart="FIGURE 5. A ‒ E" captionStartId="27.[151,250,1780,1802]" captionTargetBox="[153,1431,197,1758]" captionTargetId="figure@27.[151,1436,194,1759]" captionTargetPageId="27" captionText="FIGURE 5. A ‒ E: Hydrodendron chilense sp. nov. — colonies and fragments (A); hydrotheca (B); nematothecae (C); male gonotheca (D); cnidome (E). F ‒ K: H. mirabile (Hincks, 1866) from the Mediterranean—colony (F); hydrothecae (G) and nematothecae (H); male (I) and female (J) gonothecae; cnidome (K). L ‒ P: H. mirabile from Martinique—four colonies (L); hydrothecae (M) and nematothecae (N); male gonotheca (O); cnidome (P). Q: Hydrodendron sp. from Guadeloupe—cnidome. Scale bars: 10 µm (E, K, P, Q), 200 µm (B, C, G, H, M, N), 300 µm (D, I, J, O), 500 µm (A, F, L)." httpUri="https://zenodo.org/record/286960/files/figure.png" pageId="22" pageNumber="23">5</figureCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36AC8B1477EFFCEFF5182545C6BA0BD" pageId="22" pageNumber="23" type="materials_examined">
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<paragraph id="8BCF9B3A477EFFCEFF5182545C6BA0BD" blockId="22.[151,1437,1635,2028]" pageId="22" pageNumber="23">
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<emphasis id="B9044728477EFFCEFF518254588DA02B" bold="true" box="[151,386,1635,1660]" pageId="22" pageNumber="23">Material examined</emphasis>
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. Comau, North side of entrance to Quintupeu fjord, lat. -42.15000, long. -72.43333,
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<date id="FFCEBDFA477EFFCEFF5182B05805A0F7" box="[151,266,1671,1696]" pageId="22" pageNumber="23" value="2005-02-25">25.ii.2005</date>
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, 15‒
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<quantity id="4C8836DF477EFFCEFE8782B05872A0C8" box="[321,381,1671,1696]" metricMagnitude="1" metricUnit="m" metricValue="2.5" pageId="22" pageNumber="23" unit="m" value="25.0">25 m</quantity>
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, sample S22: part of the male colony MHNG-INVE-53175 [see Galea (2007)]. HF11, Estero Millabu, lat. -45.75762, long. -74.55160,
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<date id="FFCEBDFA477EFFCEFDBE829B5BFDA092" box="[632,754,1708,1733]" pageId="22" pageNumber="23" value="2011-11-20">20.xi.2011</date>
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,
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||
<quantity id="4C8836DF477EFFCEFCC7829A5A49A093" box="[769,838,1709,1733]" metricMagnitude="0" metricUnit="m" metricValue="7.4" pageId="22" pageNumber="23" unit="m" value="7.4">7.4 m</quantity>
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, sample C021: a female colony with monosiphonic stems, up to
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<quantity id="4C8836DF477EFFCEFEE382E6587FA0BE" box="[293,368,1745,1770]" metricMagnitude="-2" metricUnit="m" metricValue="3.5" pageId="22" pageNumber="23" unit="cm" value="3.5">3.5 cm</quantity>
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||
high, on worm tube and stems of
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<taxonomicName id="4C70E0B9477EFFCEFD2882E65AB5A0BE" box="[750,954,1745,1769]" class="Hydrozoa" family="Sertulariidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="22" pageNumber="23" phylum="Cnidaria" rank="genus">
|
||
<emphasis id="B9044728477EFFCEFD2882E65AB5A0BE" box="[750,954,1745,1769]" italics="true" pageId="22" pageNumber="23">Symplectoscyphus</emphasis>
|
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</taxonomicName>
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||
sp. (
|
||
<typeStatus id="54CB2598477EFFCEFC3682E65D57A0BD" box="[1008,1112,1745,1770]" pageId="22" pageNumber="23" type="holotype">holotype</typeStatus>
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||
: MHNG-INVE-86251).
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</paragraph>
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</subSubSection>
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||
<subSubSection id="C36AC8B1477EFFCFFF0182C15BE8A713" lastPageId="23" lastPageNumber="24" pageId="22" pageNumber="23" type="description">
|
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<paragraph id="8BCF9B3A477EFFCFFF0182C15BE8A713" blockId="22.[151,1437,1635,2028]" lastBlockId="23.[151,1437,151,831]" lastPageId="23" lastPageNumber="24" pageId="22" pageNumber="23">
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<emphasis id="B9044728477EFFCEFF0182C1585EA158" bold="true" box="[199,337,1782,1807]" pageId="22" pageNumber="23">Description</emphasis>
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. Colonies arising from creeping, branching stolon. Stems up to
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<quantity id="4C8836DF477EFFCEFB9E82C15DA5A159" box="[1112,1194,1782,1807]" metricMagnitude="-2" metricUnit="m" metricValue="3.5" pageId="22" pageNumber="23" unit="cm" value="3.5">3.5 cm</quantity>
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||
high, monosiphonic throughout (Pl. 2D); a few basal constrictions above origin from stolon; remainder of stem divided by oblique nodes into moderately long, geniculate internodes, the latter with two proximal annuli and a distal bulge (
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<figureCitation id="134B87BF477EFFCEFAF783085C7BA10F" box="[1329,1396,1855,1880]" captionStart="FIGURE 2. A, B" captionStartId="15.[151,250,1739,1761]" captionTargetBox="[154,1435,200,1713]" captionTargetId="figure@15.[151,1436,195,1713]" captionTargetPageId="15" captionText="FIGURE 2. A, B: Halecium flexile Allman, 1888 — portion of stem (A) compared with H. balei Fraser, 1911 (C); detail of hydrophore and renovated hydrotheca (B), and comparison with H. balei (D). E, F: Halecium humeriformis sp. nov. — stem fragments (E); hydrophore and renovated hydrotheca (F). G, H: Halecium maximum sp. nov. — stem fragments (G); hydrophore and renovated hydrotheca (H). I ‒ L: Halecium modestum sp. nov. — stem fragments (I ‒ K); hydrophore with hydrotheca (L). M, N: Halecium platythecum sp. nov. — stem fragment (M); hydrophore and renovated hydrotheca (N). Scale bars: 300 µm (B, D, F, H, L, N) and 1 mm (A, C, E, G, I ‒ K, M)." httpUri="https://zenodo.org/record/286958/files/figure.png" pageId="22" pageNumber="23">Fig. 2</figureCitation>
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M). Each internode carries a well-developed, latero-distal hydrophore, reaching or slightly surpassing the level of distal node; pseudodiaphragm absent (
|
||
<figureCitation id="134B87BF477EFFCEFDC283BE5B46A1F5" box="[516,585,1929,1954]" captionStart="FIGURE 2. A, B" captionStartId="15.[151,250,1739,1761]" captionTargetBox="[154,1435,200,1713]" captionTargetId="figure@15.[151,1436,195,1713]" captionTargetPageId="15" captionText="FIGURE 2. A, B: Halecium flexile Allman, 1888 — portion of stem (A) compared with H. balei Fraser, 1911 (C); detail of hydrophore and renovated hydrotheca (B), and comparison with H. balei (D). E, F: Halecium humeriformis sp. nov. — stem fragments (E); hydrophore and renovated hydrotheca (F). G, H: Halecium maximum sp. nov. — stem fragments (G); hydrophore and renovated hydrotheca (H). I ‒ L: Halecium modestum sp. nov. — stem fragments (I ‒ K); hydrophore with hydrotheca (L). M, N: Halecium platythecum sp. nov. — stem fragment (M); hydrophore and renovated hydrotheca (N). Scale bars: 300 µm (B, D, F, H, L, N) and 1 mm (A, C, E, G, I ‒ K, M)." httpUri="https://zenodo.org/record/286958/files/figure.png" pageId="22" pageNumber="23">Fig. 2</figureCitation>
|
||
N). Branching sparse and irregular; side branches given off singly from the hydrophores in front or rear side of the stem; basally with several oblique annuli; there are up to second order branches. Hydrothecae borne of corresponding hydrophores; moderately deep, walls divergent, rim strongly everted; renovations commonly present, up to 8; following hydrophores of varied length, the second generally well-developed and annulated basally, the next ones rather short. Most hydranths shed. Gonothecae given off from the primary hydrophores, slightly below the hydrothecal bases; pyriform in frontal view, and laterally flattened in both sexes. Female with an apical, circular aperture with thickened perisarc (Fig.
|
||
<date id="FFCEBDFA477FFFCFFBE085305D30A748" box="[1062,1087,263,287]" pageId="23" pageNumber="24">3I</date>
|
||
); male devoid of aperture (Fig. 3J). The cnidome composition could not be checked.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36AC8B1477FFFCFFF01857858E1A4DD" pageId="23" pageNumber="24" type="discussion">
|
||
<paragraph id="8BCF9B3A477FFFCFFF01857858E1A4DD" blockId="23.[151,1437,151,831]" pageId="23" pageNumber="24">
|
||
<emphasis id="B9044728477FFFCFFF018578583BA73F" bold="true" box="[199,308,335,360]" pageId="23" pageNumber="24">Remarks</emphasis>
|
||
. This species with monosiphonic habit was previously (Galea 2007) included in the synonymy of what is now regarded as
|
||
<taxonomicName id="4C70E0B9477FFFCFFE7F85425B2CA7DB" box="[441,547,372,396]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="flexile">
|
||
<emphasis id="B9044728477FFFCFFE7F85425B2CA7DB" box="[441,547,372,396]" italics="true" pageId="23" pageNumber="24">H. flexile</emphasis>
|
||
</taxonomicName>
|
||
(see above). Both species are distinguished on the following accounts: 1)
|
||
<taxonomicName id="4C70E0B9477FFFCFFA478542582FA7E7" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="platythecum">
|
||
<emphasis id="B9044728477FFFCFFA478542582FA7E7" italics="true" pageId="23" pageNumber="24">H. platythecum</emphasis>
|
||
</taxonomicName>
|
||
always forms monosiphonic stems, those of
|
||
<taxonomicName id="4C70E0B9477FFFCFFCDA85AF5A8BA7E7" box="[796,900,408,432]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="flexile">
|
||
<emphasis id="B9044728477FFFCFFCDA85AF5A8BA7E7" box="[796,900,408,432]" italics="true" pageId="23" pageNumber="24">H. flexile</emphasis>
|
||
</taxonomicName>
|
||
becoming readily polysiphonic in colonies less than
|
||
<quantity id="4C8836DF477FFFCFFF15858B5801A783" box="[211,270,444,468]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="23" pageNumber="24" unit="cm" value="2.0">2 cm</quantity>
|
||
high, thus comparatively smaller than the largest ones in the new species; 2) the internodes of
|
||
<taxonomicName id="4C70E0B9477FFFCFFA47858A582FA7AF" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="platythecum">
|
||
<emphasis id="B9044728477FFFCFFA47858A582FA7AF" italics="true" pageId="23" pageNumber="24">H. platythecum</emphasis>
|
||
</taxonomicName>
|
||
are geniculate, while those of
|
||
<taxonomicName id="4C70E0B9477FFFCFFD5685D75BF3A7AF" box="[656,764,480,504]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="flexile">
|
||
<emphasis id="B9044728477FFFCFFD5685D75BF3A7AF" box="[656,764,480,504]" italics="true" pageId="23" pageNumber="24">H. flexile</emphasis>
|
||
</taxonomicName>
|
||
are always collinear, even in the smallest, monosiphonic stems; 3) the internodes are comparatively thicker in
|
||
<taxonomicName id="4C70E0B9477FFFCFFD2C86325A5FA44B" box="[746,848,516,540]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="flexile">
|
||
<emphasis id="B9044728477FFFCFFD2C86325A5FA44B" box="[746,848,516,540]" italics="true" pageId="23" pageNumber="24">H. flexile</emphasis>
|
||
</taxonomicName>
|
||
; 4) there is always a pseudodiapragm on the adaxial side of the primary hydrophores of
|
||
<taxonomicName id="4C70E0B9477FFFCFFDE5861F5B86A417" box="[547,649,552,576]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="flexile">
|
||
<emphasis id="B9044728477FFFCFFDE5861F5B86A417" box="[547,649,552,576]" italics="true" pageId="23" pageNumber="24">H. flexile</emphasis>
|
||
</taxonomicName>
|
||
, while it is missing in
|
||
<taxonomicName id="4C70E0B9477FFFCFFC4E861F5D3DA417" box="[904,1074,552,576]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="platythecum">
|
||
<emphasis id="B9044728477FFFCFFC4E861F5D3DA417" box="[904,1074,552,576]" italics="true" pageId="23" pageNumber="24">H. platythecum</emphasis>
|
||
</taxonomicName>
|
||
; 5) the female gonothecae of
|
||
<taxonomicName id="4C70E0B9477FFFCFFA47861F59D3A430" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="flexile">
|
||
<emphasis id="B9044728477FFFCFFA47861F59D3A430" italics="true" pageId="23" pageNumber="24">H. flexile</emphasis>
|
||
</taxonomicName>
|
||
are distinctly swollen (see Fig. 3A2) and seem to produce less oocytes than the laterally compressed gonothecae of
|
||
<taxonomicName id="4C70E0B9477FFFCFFEFA864458E8A4DC" box="[316,487,627,651]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="platythecum">
|
||
<emphasis id="B9044728477FFFCFFEFA864458E8A4DC" box="[316,487,627,651]" italics="true" pageId="23" pageNumber="24">H. platythecum</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36AC8B1477FFFCFFF0186A15C03A484" pageId="23" pageNumber="24" type="etymology">
|
||
<paragraph id="8BCF9B3A477FFFCFFF0186A15C03A484" blockId="23.[151,1437,151,831]" pageId="23" pageNumber="24">
|
||
<emphasis id="B9044728477FFFCFFF0186A15849A4F8" bold="true" box="[199,326,662,687]" pageId="23" pageNumber="24">Etymology</emphasis>
|
||
. The specific name results from the fusion of the Greek adjective
|
||
<emphasis id="B9044728477FFFCFFBF586A15D71A4F9" box="[1075,1150,662,686]" italics="true" pageId="23" pageNumber="24">πλατύς</emphasis>
|
||
(meaning flattened) with the substantive
|
||
<emphasis id="B9044728477FFFCFFE83868D5873A485" box="[325,380,698,722]" italics="true" pageId="23" pageNumber="24">θήκη</emphasis>
|
||
(meaning receptacle), in order to characterize the shape of the female gonotheca.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36AC8B1477FFFCFFF0186E95B93A27D" pageId="23" pageNumber="24" type="distribution">
|
||
<paragraph id="8BCF9B3A477FFFCFFF0186E959D4A54C" blockId="23.[151,1437,151,831]" pageId="23" pageNumber="24">
|
||
<emphasis id="B9044728477FFFCFFF0186E958C9A4A0" bold="true" box="[199,454,734,759]" pageId="23" pageNumber="24">
|
||
Distribution in
|
||
<collectingCountry id="F367DBAA477FFFCFFE4086E958C9A4A0" box="[390,454,734,759]" name="Chile" pageId="23" pageNumber="24">Chile</collectingCountry>
|
||
</emphasis>
|
||
. Fjord Comau (Galea 2007), while the present material originates from the Millabu Strait.
|
||
</paragraph>
|
||
<paragraph id="8BCF9B3A477FFFCFFF0187115C54A568" blockId="23.[151,1437,151,831]" box="[199,1371,806,831]" pageId="23" pageNumber="24">
|
||
<emphasis id="B9044728477FFFCFFF018711587BA568" bold="true" box="[199,372,806,831]" pageId="23" pageNumber="24">World records</emphasis>
|
||
. The distribution outside
|
||
<collectingCountry id="F367DBAA477FFFCFFD5287115BDEA568" box="[660,721,806,831]" name="Chile" pageId="23" pageNumber="24">Chile</collectingCountry>
|
||
could not be evaluated at present based on literature data.
|
||
</paragraph>
|
||
<paragraph id="8BCF9B3A477FFFCFFF5187A2589CA586" blockId="23.[151,667,914,977]" pageId="23" pageNumber="24">
|
||
<emphasis id="B9044728477FFFCFFF5187A25B94A5F7" bold="true" box="[151,667,914,943]" pageId="23" pageNumber="24">
|
||
<taxonomicName id="4C70E0B9477FFFCFFF5187A25B85A5F8" authority="d'Orbigny, 1842" authorityName="d'Orbigny" authorityYear="1842" box="[151,650,917,943]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="tehuelchum">
|
||
<emphasis id="B9044728477FFFCFFF5187A258AAA5F8" bold="true" box="[151,421,917,943]" italics="true" pageId="23" pageNumber="24">Halecium tehuelchum</emphasis>
|
||
(d’Orbigny, 1842)
|
||
</taxonomicName>
|
||
14
|
||
</emphasis>
|
||
(Plate 2E;
|
||
<figureCitation id="134B87BF477FFFCFFECB878F5841A586" box="[269,334,952,977]" captionStart="FIGURE 4. A ‒ F, M" captionStartId="20.[151,250,1819,1841]" captionTargetBox="[154,1431,248,1754]" captionTargetId="figure@20.[151,1436,243,1755]" captionTargetPageId="20" captionText="FIGURE 4. A ‒ F, M: Cnidomes of some Halecium species discussed herein— H. flexile Allman, 1888 (A); H. balei (B); H. humeriformis sp. nov. (C); H. maximum sp. nov. (D); H. tristaniensis sp. nov. (E); H. modestum sp. nov. (F). G: Halecium pallens Jäderholm, 1904 — female gonotheca. H ‒ M: Halecium tehuelchum (d’Orbigny, 1842) — fragments of colonies (H), primary hydrophore and renovated hydrotheca (I); female gonotheca (J) and shape variation (K); male gonothecae (L); cnidome (M). Scale bars: 10 µm (A ‒ F, M); 300 µm (I, J, L), 500 µm (G, K), 1 mm (H)." httpUri="https://zenodo.org/record/286959/files/figure.png" pageId="23" pageNumber="24">Fig. 4</figureCitation>
|
||
H–M)
|
||
</paragraph>
|
||
<paragraph id="8BCF9B3A477FFFCFFF5180375B93A27D" blockId="23.[151,782,1024,1110]" pageId="23" pageNumber="24">
|
||
<treatmentCitationGroup id="AB60BC14477FFFCFFF5180375B93A27D" pageId="23" pageNumber="24">
|
||
<taxonomicName id="4C70E0B9477FFFCFFF51803758EBA241" authority="d'Orbigny, 1842" authorityName="d'Orbigny" authorityYear="1842" box="[151,484,1024,1046]" class="Insecta" family="Diaspididae" genus="Thoa" kingdom="Animalia" order="Hemiptera" pageId="23" pageNumber="24" phylum="Arthropoda" rank="species" species="tehuelcha">
|
||
<emphasis id="B9044728477FFFCFFF518037583CA241" box="[151,307,1024,1046]" italics="true" pageId="23" pageNumber="24">Thoa tehuelcha</emphasis>
|
||
d’Orbigny, 1842
|
||
</taxonomicName>
|
||
: pl. 12
|
||
<figureCitation id="134B87BF477FFFCFFDE880375B61A241" box="[558,622,1024,1046]" captionStart="FIGURE 4. A ‒ F, M" captionStartId="20.[151,250,1819,1841]" captionTargetBox="[154,1431,248,1754]" captionTargetId="figure@20.[151,1436,243,1755]" captionTargetPageId="20" captionText="FIGURE 4. A ‒ F, M: Cnidomes of some Halecium species discussed herein— H. flexile Allman, 1888 (A); H. balei (B); H. humeriformis sp. nov. (C); H. maximum sp. nov. (D); H. tristaniensis sp. nov. (E); H. modestum sp. nov. (F). G: Halecium pallens Jäderholm, 1904 — female gonotheca. H ‒ M: Halecium tehuelchum (d’Orbigny, 1842) — fragments of colonies (H), primary hydrophore and renovated hydrotheca (I); female gonotheca (J) and shape variation (K); male gonothecae (L); cnidome (M). Scale bars: 10 µm (A ‒ F, M); 300 µm (I, J, L), 500 µm (G, K), 1 mm (H)." httpUri="https://zenodo.org/record/286959/files/figure.png" pageId="23" pageNumber="24">Figs 4</figureCitation>
|
||
,
|
||
<figureCitation id="134B87BF477FFFCFFDBC80375B86A241" box="[634,649,1024,1046]" captionStart="FIGURE 5. A ‒ E" captionStartId="27.[151,250,1780,1802]" captionTargetBox="[153,1431,197,1758]" captionTargetId="figure@27.[151,1436,194,1759]" captionTargetPageId="27" captionText="FIGURE 5. A ‒ E: Hydrodendron chilense sp. nov. — colonies and fragments (A); hydrotheca (B); nematothecae (C); male gonotheca (D); cnidome (E). F ‒ K: H. mirabile (Hincks, 1866) from the Mediterranean—colony (F); hydrothecae (G) and nematothecae (H); male (I) and female (J) gonothecae; cnidome (K). L ‒ P: H. mirabile from Martinique—four colonies (L); hydrothecae (M) and nematothecae (N); male gonotheca (O); cnidome (P). Q: Hydrodendron sp. from Guadeloupe—cnidome. Scale bars: 10 µm (E, K, P, Q), 200 µm (B, C, G, H, M, N), 300 µm (D, I, J, O), 500 µm (A, F, L)." httpUri="https://zenodo.org/record/286960/files/figure.png" pageId="23" pageNumber="24">5</figureCitation>
|
||
; 1847: 25.
|
||
<emphasis id="B9044728477FFFCFFF5180165876A260" box="[151,377,1057,1079]" italics="true" pageId="23" pageNumber="24">
|
||
<taxonomicName id="4C70E0B9477FFFCFFF51801659F5A260" box="[151,250,1057,1079]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="genus">Halecium</taxonomicName>
|
||
tehuelcha—
|
||
</emphasis>
|
||
<treatmentCitation id="0AD1BD2B477FFFCFFEBE80165B49A260" author="Hartlaub" box="[376,582,1057,1079]" page="602" pageId="23" pageNumber="24" year="1905">
|
||
<bibRefCitation id="EFE1E6CB477FFFCFFEBE80165B1BA260" author="Hartlaub" box="[376,532,1057,1079]" pageId="23" pageNumber="24" refString="Hartlaub, C. (1905) Die Hydroiden der Magalhaensischen Region und chilenischen Kuste. In: Fauna chilensis. Zoologische Jahrbucher, 6 (3) (Supplement), 497 - 714." type="journal article" year="1905">Hartlaub, 1905</bibRefCitation>
|
||
: 602
|
||
</treatmentCitation>
|
||
, Fig.
|
||
<date id="FFCEBDFA477FFFCFFDB980155B93A27D" box="[639,668,1054,1079]" pageId="23" pageNumber="24">X2.</date>
|
||
</treatmentCitationGroup>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36AC8B1477FFFCFFF5180775A01A201" box="[151,782,1088,1110]" pageId="23" pageNumber="24" type="reference_group">
|
||
<paragraph id="8BCF9B3A477FFFCFFF5180775A01A201" blockId="23.[151,782,1024,1110]" box="[151,782,1088,1110]" pageId="23" pageNumber="24">
|
||
<treatmentCitationGroup id="AB60BC14477FFFCFFF5180775A01A201" box="[151,782,1088,1110]" pageId="23" pageNumber="24">
|
||
<emphasis id="B9044728477FFFCFFF5180775884A201" box="[151,395,1088,1110]" italics="true" pageId="23" pageNumber="24">
|
||
<taxonomicName id="4C70E0B9477FFFCFFF51807759F5A201" ID-CoL="7P55M" box="[151,250,1088,1110]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="genus">Halecium</taxonomicName>
|
||
tehuelchum—
|
||
</emphasis>
|
||
<treatmentCitation id="0AD1BD2B477FFFCFFE4D80775B22A201" author="Bedot" box="[395,557,1088,1110]" page="80" pageId="23" pageNumber="24" year="1905">
|
||
<bibRefCitation id="EFE1E6CB477FFFCFFE4D80775B05A201" author="Bedot" box="[395,522,1088,1110]" pageId="23" pageNumber="24" refString="Bedot, M. (1905) Materiaux pour servir a l'histoire des Hydroides 2 me periode (1821 - 1830). Revue Suisse de Zoologie, 13 (1), 1 - 183." type="journal article" year="1905">Bedot, 1905</bibRefCitation>
|
||
: 80
|
||
</treatmentCitation>
|
||
.—
|
||
<treatmentCitation id="0AD1BD2B477FFFCFFD8A80775A05A201" author="Blanco" box="[588,778,1088,1110]" page="188" pageId="23" pageNumber="24" year="1994">
|
||
<bibRefCitation id="EFE1E6CB477FFFCFFD8A80775BD7A201" author="Blanco" box="[588,728,1088,1110]" pageId="23" pageNumber="24" refString="Blanco, O. (1994) Enumeracion sistematica y distribucion geografica preliminar de los Hydroida de la Republica Argentina. Suborden Athecata (Gymnoblastea, Anthomedusae), Thecata (Calyptoblastea, Leptomedusae) y Limnomedusae. Revista del Museo La Plata (Zoologia), 14 (161), 181 - 216." type="journal article" year="1994">Blanco, 1994</bibRefCitation>
|
||
: 188
|
||
</treatmentCitation>
|
||
.
|
||
</treatmentCitationGroup>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36AC8B1477FFFCFFF5180B45BFEA2B3" pageId="23" pageNumber="24" type="materials_examined">
|
||
<paragraph id="8BCF9B3A477FFFCFFF5180B45BFEA2B3" blockId="23.[151,1437,1155,1839]" pageId="23" pageNumber="24">
|
||
<emphasis id="B9044728477FFFCFFF5180B45875A2CB" bold="true" box="[151,378,1155,1180]" pageId="23" pageNumber="24">Material examined</emphasis>
|
||
. HF11, Punta Garro, lat. -46.31517, long. -75.65203,
|
||
<date id="FFCEBDFA477FFFCFFC1B80B45D59A2CB" box="[989,1110,1155,1180]" pageId="23" pageNumber="24" value="2011-11-30">30.xi.2011</date>
|
||
,
|
||
<quantity id="4C8836DF477FFFCFFBA580B45DBBA2CC" box="[1123,1204,1155,1179]" metricMagnitude="1" metricUnit="m" metricValue="1.73" pageId="23" pageNumber="24" unit="m" value="17.3">17.3 m</quantity>
|
||
, sample C349: a
|
||
<quantity id="4C8836DF477FFFCFFABF80B459B6A2E8" metricMagnitude="-2" metricUnit="m" metricValue="4.5" pageId="23" pageNumber="24" unit="cm" value="4.5">4.5 cm</quantity>
|
||
high, male colony, on dead gorgonian (MHNG-INVE-86217);
|
||
<date id="FFCEBDFA477FFFCFFC4680915AF6A2E8" box="[896,1017,1190,1215]" pageId="23" pageNumber="24" value="2011-11-30">30.xi.2011</date>
|
||
,
|
||
<quantity id="4C8836DF477FFFCFFBC380915D5AA2E8" box="[1029,1109,1190,1215]" metricMagnitude="1" metricUnit="m" metricValue="1.35" pageId="23" pageNumber="24" unit="m" value="13.5">13.5 m</quantity>
|
||
, sample C351: a 5.0 cm high female colony, on worm tube (MHNG-INVE-86216).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36AC8B1477FFFC0FF0180D95AE1A682" lastPageId="24" lastPageNumber="25" pageId="23" pageNumber="24" type="description">
|
||
<paragraph id="8BCF9B3A477FFFCFFF0180D95C93A178" blockId="23.[151,1437,1155,1839]" pageId="23" pageNumber="24">
|
||
<emphasis id="B9044728477FFFCFFF0180D9585EA350" bold="true" box="[199,337,1262,1287]" pageId="23" pageNumber="24">Description</emphasis>
|
||
. Colonies up to
|
||
<quantity id="4C8836DF477FFFCFFDD280D95B41A350" box="[532,590,1262,1287]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="23" pageNumber="24" unit="cm" value="5.0">5 cm</quantity>
|
||
high, very flaccid when out of liquid, arising from a creeping, branched, anastomosed stolon. Stems with a few annuli above origin from stolon; monosiphonic, thin, delicate, becoming less distinct in much ramified colonies; divided into internodes by oblique constrictions of the perisarc. Internodes geniculate, exceedingly long (
|
||
<date id="FFCEBDFA477FFFCFFE34816C5B7FA323" box="[498,624,1371,1396]" pageId="23" pageNumber="24" value="1145" valueMax="1990">1145–1990</date>
|
||
µm), slender (100–140 µm wide at nodes), straight for most of their length, except for a distal bent at origin of hydrophore (Pl. 2E,
|
||
<figureCitation id="134B87BF477FFFCFFC9481B65A9CA3CD" box="[850,915,1409,1434]" captionStart="FIGURE 4. A ‒ F, M" captionStartId="20.[151,250,1819,1841]" captionTargetBox="[154,1431,248,1754]" captionTargetId="figure@20.[151,1436,243,1755]" captionTargetPageId="20" captionText="FIGURE 4. A ‒ F, M: Cnidomes of some Halecium species discussed herein— H. flexile Allman, 1888 (A); H. balei (B); H. humeriformis sp. nov. (C); H. maximum sp. nov. (D); H. tristaniensis sp. nov. (E); H. modestum sp. nov. (F). G: Halecium pallens Jäderholm, 1904 — female gonotheca. H ‒ M: Halecium tehuelchum (d’Orbigny, 1842) — fragments of colonies (H), primary hydrophore and renovated hydrotheca (I); female gonotheca (J) and shape variation (K); male gonothecae (L); cnidome (M). Scale bars: 10 µm (A ‒ F, M); 300 µm (I, J, L), 500 µm (G, K), 1 mm (H)." httpUri="https://zenodo.org/record/286959/files/figure.png" pageId="23" pageNumber="24">Fig. 4</figureCitation>
|
||
H1); basally with 2–4 annuli, and a short, distal apophysis supporting the following internode; hydrophores 105–185 µm long, surpassing level of distal node. Side branches arising singly or in pairs from hydrophores, just below the hydrothecal diaphragms, and oppositely to the direction taken by the next stem internodes; structure like the stem (
|
||
<figureCitation id="134B87BF477FFFCFFC0A81C75D1BA05E" box="[972,1044,1520,1545]" captionStart="FIGURE 4. A ‒ F, M" captionStartId="20.[151,250,1819,1841]" captionTargetBox="[154,1431,248,1754]" captionTargetId="figure@20.[151,1436,243,1755]" captionTargetPageId="20" captionText="FIGURE 4. A ‒ F, M: Cnidomes of some Halecium species discussed herein— H. flexile Allman, 1888 (A); H. balei (B); H. humeriformis sp. nov. (C); H. maximum sp. nov. (D); H. tristaniensis sp. nov. (E); H. modestum sp. nov. (F). G: Halecium pallens Jäderholm, 1904 — female gonotheca. H ‒ M: Halecium tehuelchum (d’Orbigny, 1842) — fragments of colonies (H), primary hydrophore and renovated hydrotheca (I); female gonotheca (J) and shape variation (K); male gonothecae (L); cnidome (M). Scale bars: 10 µm (A ‒ F, M); 300 µm (I, J, L), 500 µm (G, K), 1 mm (H)." httpUri="https://zenodo.org/record/286959/files/figure.png" pageId="23" pageNumber="24">Fig. 4</figureCitation>
|
||
H3). Hydrotheca 50–60 µm deep, distinctly flared (85–105 µm wide at base and 120–170 µm at aperture), rim everted (
|
||
<figureCitation id="134B87BF477FFFCFFB9782235D9AA07A" box="[1105,1173,1556,1581]" captionStart="FIGURE 4. A ‒ F, M" captionStartId="20.[151,250,1819,1841]" captionTargetBox="[154,1431,248,1754]" captionTargetId="figure@20.[151,1436,243,1755]" captionTargetPageId="20" captionText="FIGURE 4. A ‒ F, M: Cnidomes of some Halecium species discussed herein— H. flexile Allman, 1888 (A); H. balei (B); H. humeriformis sp. nov. (C); H. maximum sp. nov. (D); H. tristaniensis sp. nov. (E); H. modestum sp. nov. (F). G: Halecium pallens Jäderholm, 1904 — female gonotheca. H ‒ M: Halecium tehuelchum (d’Orbigny, 1842) — fragments of colonies (H), primary hydrophore and renovated hydrotheca (I); female gonotheca (J) and shape variation (K); male gonothecae (L); cnidome (M). Scale bars: 10 µm (A ‒ F, M); 300 µm (I, J, L), 500 µm (G, K), 1 mm (H)." httpUri="https://zenodo.org/record/286959/files/figure.png" pageId="23" pageNumber="24">
|
||
Fig.
|
||
<date id="FFCEBDFA477FFFCFFB4382225D9AA07A" box="[1157,1173,1557,1581]" pageId="23" pageNumber="24">4</date>
|
||
</figureCitation>
|
||
I); a ring of desmocytes above diaphragm; no pseudo-diaphragm. Hydrothecae often regenerated (up to 4 times), especially those at the end of a side branch; length of secondary, tertiary etc. hydrophores generally decreasing distally. Female gonothecae arising from within the hydrothecae (
|
||
<figureCitation id="134B87BF477FFFCFFD8082B45B84A0CB" box="[582,651,1667,1692]" captionStart="FIGURE 4. A ‒ F, M" captionStartId="20.[151,250,1819,1841]" captionTargetBox="[154,1431,248,1754]" captionTargetId="figure@20.[151,1436,243,1755]" captionTargetPageId="20" captionText="FIGURE 4. A ‒ F, M: Cnidomes of some Halecium species discussed herein— H. flexile Allman, 1888 (A); H. balei (B); H. humeriformis sp. nov. (C); H. maximum sp. nov. (D); H. tristaniensis sp. nov. (E); H. modestum sp. nov. (F). G: Halecium pallens Jäderholm, 1904 — female gonotheca. H ‒ M: Halecium tehuelchum (d’Orbigny, 1842) — fragments of colonies (H), primary hydrophore and renovated hydrotheca (I); female gonotheca (J) and shape variation (K); male gonothecae (L); cnidome (M). Scale bars: 10 µm (A ‒ F, M); 300 µm (I, J, L), 500 µm (G, K), 1 mm (H)." httpUri="https://zenodo.org/record/286959/files/figure.png" pageId="23" pageNumber="24">Fig. 4</figureCitation>
|
||
J1); 1010–1290 µm long and 770–925 µm wide, broadly rounded to irregular in shape, laterally flattened (
|
||
<figureCitation id="134B87BF477FFFCFFDF8829D5B8FA095" box="[574,640,1706,1731]" captionStart="FIGURE 4. A ‒ F, M" captionStartId="20.[151,250,1819,1841]" captionTargetBox="[154,1431,248,1754]" captionTargetId="figure@20.[151,1436,243,1755]" captionTargetPageId="20" captionText="FIGURE 4. A ‒ F, M: Cnidomes of some Halecium species discussed herein— H. flexile Allman, 1888 (A); H. balei (B); H. humeriformis sp. nov. (C); H. maximum sp. nov. (D); H. tristaniensis sp. nov. (E); H. modestum sp. nov. (F). G: Halecium pallens Jäderholm, 1904 — female gonotheca. H ‒ M: Halecium tehuelchum (d’Orbigny, 1842) — fragments of colonies (H), primary hydrophore and renovated hydrotheca (I); female gonotheca (J) and shape variation (K); male gonothecae (L); cnidome (M). Scale bars: 10 µm (A ‒ F, M); 300 µm (I, J, L), 500 µm (G, K), 1 mm (H)." httpUri="https://zenodo.org/record/286959/files/figure.png" pageId="23" pageNumber="24">Fig. 4</figureCitation>
|
||
J3), aperture distal, circular, 110–145 µm in diameter; oocytes 105–120 µm wide, their number could not be ascertained in these partly spent gonothecae, though up to 8 could be seen in the best preserved ones.
|
||
<collectingCountry id="F367DBAA477FFFCFFE6A82C558E9A15C" box="[428,486,1778,1803]" name="Malta" pageId="23" pageNumber="24">Male</collectingCountry>
|
||
gonothecae arising laterally from below the hydrothecal bases or, more rarely, from within the hydrothecae; smaller than female (780–1120 µm long, 380–415 µm wide), elongated-ovoid, and also
|
||
</paragraph>
|
||
<paragraph id="8BCF9B3A477FFFCFFF5183575A66A1A6" blockId="23.[151,1436,1888,2033]" pageId="23" pageNumber="24">
|
||
14. D’Orbigny not only dated his species using the date of the writing of his manuscripts, but his work was issued in
|
||
<emphasis id="B9044728477FFFCFFF0183485824A1C2" box="[199,299,1919,1941]" italics="true" pageId="23" pageNumber="24">livraisons</emphasis>
|
||
, many of them consisting of solely plates (
|
||
<bibRefCitation id="EFE1E6CB477FFFCFFD3E83485D24A1C2" author="Sherborn" box="[760,1067,1919,1941]" pageId="23" pageNumber="24" refString="Woodward, B. B. & Sherborn, C. D. (1901) Notes on the dates of publication of the natural history portions of some French voyages. - Part I. ' Amerique meridionale'; ' Indes orientales'; ' Pole sud' (' Astrolabe' and ' Zelee'); ' La Bonite'; ' La Coquille'; and ' L'Uranie et Physicienne'. Annals and Magazine of Natural History, Series 7, 7 (40), 388 - 392. http: // dx. doi. org / 10.1080 / 00222930108678490" type="journal article" year="1901">Sherborn & Woodward 1901</bibRefCitation>
|
||
). According to
|
||
<bibRefCitation id="EFE1E6CB477FFFCFFB1483485802A1E4" author="Sherborn" pageId="23" pageNumber="24" refString="Sherborn, C. D. & Griffin, F. J. (1934) On the dates of publication of the natural history portions of Alcide d'Orbigny's ' Voyage Amerique meridionale. ' Journal of Natural History, 13 (73), 130 - 134. http: // dx. doi. org / 10.1080 / 00222933408654798" type="journal article" year="1934">Sherborn & Griffin (1934)</bibRefCitation>
|
||
, the name becomes available with the publication of the plates in 1842, the text appearing later in 1847. Additional species described by d’Orbigny, such as the well-known
|
||
<taxonomicName id="4C70E0B9477FFFCFFCC1838B5D21A185" box="[775,1070,1980,2002]" class="Hydrozoa" family="Sertulariidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="23" pageNumber="24" phylum="Cnidaria" rank="species" species="milneanus">
|
||
<emphasis id="B9044728477FFFCFFCC1838B5D21A185" box="[775,1070,1980,2002]" italics="true" pageId="23" pageNumber="24">Symplectoscyphus milneanus</emphasis>
|
||
</taxonomicName>
|
||
, have been dated
|
||
<quantity id="4C8836DF477FFFCFFB23838B5C3DA185" box="[1253,1330,1980,2002]" metricMagnitude="1" metricUnit="m" metricValue="4.68884" pageId="23" pageNumber="24" unit="in" value="1846.0">1846 in</quantity>
|
||
numerous earlier accounts, and should consequently be dated correctly 1842.
|
||
</paragraph>
|
||
<paragraph id="8BCF9B3A4770FFC0FF5184A05AE1A682" blockId="24.[151,1437,151,608]" pageId="24" pageNumber="25">
|
||
laterally flattened. Cnidome (
|
||
<figureCitation id="134B87BF4770FFC0FE2684A05B2BA6E7" box="[480,548,151,176]" captionStart="FIGURE 4. A ‒ F, M" captionStartId="20.[151,250,1819,1841]" captionTargetBox="[154,1431,248,1754]" captionTargetId="figure@20.[151,1436,243,1755]" captionTargetPageId="20" captionText="FIGURE 4. A ‒ F, M: Cnidomes of some Halecium species discussed herein— H. flexile Allman, 1888 (A); H. balei (B); H. humeriformis sp. nov. (C); H. maximum sp. nov. (D); H. tristaniensis sp. nov. (E); H. modestum sp. nov. (F). G: Halecium pallens Jäderholm, 1904 — female gonotheca. H ‒ M: Halecium tehuelchum (d’Orbigny, 1842) — fragments of colonies (H), primary hydrophore and renovated hydrotheca (I); female gonotheca (J) and shape variation (K); male gonothecae (L); cnidome (M). Scale bars: 10 µm (A ‒ F, M); 300 µm (I, J, L), 500 µm (G, K), 1 mm (H)." httpUri="https://zenodo.org/record/286959/files/figure.png" pageId="24" pageNumber="25">Fig. 4</figureCitation>
|
||
M): small [(6.3–6.9) × 2.6 µm] and large (
|
||
<emphasis id="B90447284770FFC0FC3B84AE5D18A6E7" box="[1021,1047,153,176]" italics="true" pageId="24" pageNumber="25">ca</emphasis>
|
||
. 9.8 × 4.0 µm) heteronemes (none seen discharged), as well as microbasic mastigophores [(6.0–6.6) × 1.7 µm].
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36AC8B14770FFC0FF0184E859E0A7A2" pageId="24" pageNumber="25" type="discussion">
|
||
<paragraph id="8BCF9B3A4770FFC0FF0184E85B62A7FA" blockId="24.[151,1437,151,608]" pageId="24" pageNumber="25">
|
||
<emphasis id="B90447284770FFC0FF0184E8583BA6AF" bold="true" box="[199,308,223,248]" pageId="24" pageNumber="25">Remarks</emphasis>
|
||
. The characteristic habit of the colony is well illustrated by d’Orbigny (1842, Pl. 12
|
||
<figureCitation id="134B87BF4770FFC0FB1884E85C2EA6AF" box="[1246,1313,223,248]" captionStart="FIGURE 4. A ‒ F, M" captionStartId="20.[151,250,1819,1841]" captionTargetBox="[154,1431,248,1754]" captionTargetId="figure@20.[151,1436,243,1755]" captionTargetPageId="20" captionText="FIGURE 4. A ‒ F, M: Cnidomes of some Halecium species discussed herein— H. flexile Allman, 1888 (A); H. balei (B); H. humeriformis sp. nov. (C); H. maximum sp. nov. (D); H. tristaniensis sp. nov. (E); H. modestum sp. nov. (F). G: Halecium pallens Jäderholm, 1904 — female gonotheca. H ‒ M: Halecium tehuelchum (d’Orbigny, 1842) — fragments of colonies (H), primary hydrophore and renovated hydrotheca (I); female gonotheca (J) and shape variation (K); male gonothecae (L); cnidome (M). Scale bars: 10 µm (A ‒ F, M); 300 µm (I, J, L), 500 µm (G, K), 1 mm (H)." httpUri="https://zenodo.org/record/286959/files/figure.png" pageId="24" pageNumber="25">Fig. 4</figureCitation>
|
||
), while the structure of the stem, though in almost good agreement with the specimens observed by us, fails to show the hydrothecae (d’Orbigny’s Pl. 12
|
||
<figureCitation id="134B87BF4770FFC0FDC885105B5BA717" box="[526,596,295,320]" captionStart="FIGURE 5. A ‒ E" captionStartId="27.[151,250,1780,1802]" captionTargetBox="[153,1431,197,1758]" captionTargetId="figure@27.[151,1436,194,1759]" captionTargetPageId="27" captionText="FIGURE 5. A ‒ E: Hydrodendron chilense sp. nov. — colonies and fragments (A); hydrotheca (B); nematothecae (C); male gonotheca (D); cnidome (E). F ‒ K: H. mirabile (Hincks, 1866) from the Mediterranean—colony (F); hydrothecae (G) and nematothecae (H); male (I) and female (J) gonothecae; cnidome (K). L ‒ P: H. mirabile from Martinique—four colonies (L); hydrothecae (M) and nematothecae (N); male gonotheca (O); cnidome (P). Q: Hydrodendron sp. from Guadeloupe—cnidome. Scale bars: 10 µm (E, K, P, Q), 200 µm (B, C, G, H, M, N), 300 µm (D, I, J, O), 500 µm (A, F, L)." httpUri="https://zenodo.org/record/286960/files/figure.png" pageId="24" pageNumber="25">Fig. 5</figureCitation>
|
||
). The sex of the gonotheca drawn by d’Orbigny could not be ascertained with certainty, and differs from both male and female gonothecae in the present material, in having a wide aperture. The latter may have been expressly exaggerated by d’Orbigny, since no other
|
||
<taxonomicName id="4C70E0B94770FFC0FC3B85475D65A7DF" box="[1021,1130,368,392]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="24" pageNumber="25" phylum="Cnidaria" rank="genus">
|
||
<emphasis id="B90447284770FFC0FC3B85475D65A7DF" box="[1021,1130,368,392]" italics="true" pageId="24" pageNumber="25">Halecium</emphasis>
|
||
</taxonomicName>
|
||
species displays such wide apertures, neither in females nor in males.
|
||
</paragraph>
|
||
<paragraph id="8BCF9B3A4770FFC0FF01858059E0A7A2" blockId="24.[151,1437,151,608]" pageId="24" pageNumber="25">
|
||
<bibRefCitation id="EFE1E6CB4770FFC0FF0185805867A787" author="Blanco" box="[199,360,439,464]" pageId="24" pageNumber="25" refString="Blanco, O. (1994) Enumeracion sistematica y distribucion geografica preliminar de los Hydroida de la Republica Argentina. Suborden Athecata (Gymnoblastea, Anthomedusae), Thecata (Calyptoblastea, Leptomedusae) y Limnomedusae. Revista del Museo La Plata (Zoologia), 14 (161), 181 - 216." type="journal article" year="1994">Blanco (1994)</bibRefCitation>
|
||
doubted the identity of this hydroid, and the present record represents the second finding of this species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36AC8B14770FFC0FF0185C858B0A437" pageId="24" pageNumber="25" type="distribution">
|
||
<paragraph id="8BCF9B3A4770FFC0FF0185C85D68A44F" blockId="24.[151,1437,151,608]" box="[199,1127,511,536]" pageId="24" pageNumber="25">
|
||
<emphasis id="B90447284770FFC0FF0185C858B1A44F" bold="true" box="[199,446,511,536]" pageId="24" pageNumber="25">
|
||
Distribution in
|
||
<collectingCountry id="F367DBAA4770FFC0FEB885C858B1A44F" box="[382,446,511,536]" name="Chile" pageId="24" pageNumber="25">Chile</collectingCountry>
|
||
</emphasis>
|
||
. The present record is from a locality situated at about 46°S.
|
||
</paragraph>
|
||
<paragraph id="8BCF9B3A4770FFC0FF01861358B0A437" blockId="24.[151,1437,151,608]" pageId="24" pageNumber="25">
|
||
<emphasis id="B90447284770FFC0FF0186135877A46A" bold="true" box="[199,376,548,573]" pageId="24" pageNumber="25">World records</emphasis>
|
||
. Previously known only from near the mouth of Río Negro,
|
||
<collectingCountry id="F367DBAA4770FFC0FB8986135DCEA46A" box="[1103,1217,548,573]" name="Argentina" pageId="24" pageNumber="25">Argentina</collectingCountry>
|
||
, which is the
|
||
<typeStatus id="54CB25984770FFC0FAAA86125C93A46A" box="[1388,1436,549,573]" pageId="24" pageNumber="25">type</typeStatus>
|
||
locality (d’Orbigny 1842).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |