140 lines
17 KiB
XML
140 lines
17 KiB
XML
<document id="A5F3590B61A0956E0110667BF2A3F1A7" ID-CLB-Dataset="27992" ID-DOI="10.11646/zootaxa.4570.1.1" ID-GBIF-Dataset="66601a1e-ba16-41b2-b182-0fd80e75ccba" ID-ISSN="1175-5326" ID-Zenodo-Dep="2608527" ID-ZooBank="EF369E98-EBD9-4647-B081-65AD1794A27C" IM.bibliography_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1553591750157" checkinUser="plazi" docAuthor="Soto, Joan J. & Peña, Álvaro L." docDate="2019" docId="03B887B7A444FFD8E983FF77FD469849" docLanguage="en" docName="zootaxa.4570.1.1.pdf" docOrigin="Zootaxa 4570 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Halecium tubatum Watson 2008" docType="treatment" docVersion="8" lastPageNumber="43" masterDocId="FF81FFCFA46EFFF2E914FFEFFFBB9B7E" masterDocTitle="Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica)" masterLastPageNumber="78" masterPageNumber="1" pageNumber="43" updateTime="1698713421926" updateUser="ExternalLinkService">
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<mods:title id="7B88B2AE8B31598DFF01915438D1BFDC">Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica)</mods:title>
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<mods:namePart id="6B82A07DB9C1EDA790A59BB164024F7E">Soto, Joan J.</mods:namePart>
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<mods:namePart id="F89A00AFD4267A7FCB3B36F45F25E77D">Peña, Álvaro L.</mods:namePart>
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<mods:title id="D6395024E29B232EC5F722211B1E8731">Zootaxa</mods:title>
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<mods:date id="8B139E99DA073486CDC429C44BF3ADAB">2019</mods:date>
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<treatment id="03B887B7A444FFD8E983FF77FD469849" ID-DOI="http://doi.org/10.5281/zenodo.5935003" ID-GBIF-Taxon="154497207" ID-Zenodo-Dep="5935003" LSID="urn:lsid:plazi:treatment:03B887B7A444FFD8E983FF77FD469849" httpUri="http://treatment.plazi.org/id/03B887B7A444FFD8E983FF77FD469849" lastPageNumber="43" pageId="42" pageNumber="43">
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<subSubSection id="C30B652AA444FFD8E983FF77FD929BCC" box="[151,553,152,178]" pageId="42" pageNumber="43" type="nomenclature">
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<paragraph id="8BAE36A1A444FFD8E983FF77FD929BCC" blockId="42.[151,553,152,211]" box="[151,553,152,178]" pageId="42" pageNumber="43">
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<heading id="D0E681CDA444FFD8E983FF77FD929BCC" bold="true" box="[151,553,152,178]" fontSize="11" level="1" pageId="42" pageNumber="43" reason="1">
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<taxonomicName id="4C114D22A444FFD8E983FF77FD929BCC" ID-CoL="3JB7M" authority="Watson, 2008" authorityName="Watson" authorityYear="2008" box="[151,553,152,178]" class="Hydrozoa" family="Haleciidae" genus="Halecium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="42" pageNumber="43" phylum="Cnidaria" rank="species" species="tubatum">
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<emphasis id="B965EAB3A444FFD8E983FF77FD929BCC" bold="true" box="[151,553,152,178]" pageId="42" pageNumber="43">
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<emphasis id="B965EAB3A444FFD8E983FF77FEC09BCC" bold="true" box="[151,379,152,178]" italics="true" pageId="42" pageNumber="43">Halecium tubatum</emphasis>
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<bibRefCitation id="EF804B50A444FFD8E895FF77FD929BCC" author="Watson, J. E." box="[385,553,152,178]" pageId="42" pageNumber="43" pagination="165 - 178" refId="ref47732" refString="Watson, J. E. (2008) Hydroids of the BANZARE expeditions, 1929 - 1931: the family Haleciidae (Hydrozoa, Leptothecata) from the Australian Antarctic Territory. Memoirs of the Museum of Fictoria, 65, 165 - 178. https: // doi. org / 10.24199 / j. mmv. 2008.65.9" type="journal article" year="2008">Watson, 2008</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C30B652AA444FFD8E983FF55FE989BAD" box="[151,291,186,211]" pageId="42" pageNumber="43" type="description">
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<paragraph id="8BAE36A1A444FFD8E983FF55FE989BAD" blockId="42.[151,553,152,211]" box="[151,291,186,211]" pageId="42" pageNumber="43">
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(
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<figureCitation id="132A2A24A444FFD8E98BFF55FF549BAD" box="[159,239,186,211]" captionStart="FIGURE 14" captionStartId="40.[151,250,1489,1511]" captionTargetBox="[156,1431,198,1462]" captionTargetId="figure@40.[151,1436,193,1468]" captionTargetPageId="40" captionText="FIGURE 14. a Halecium incertus: colony. b–c H. secundum: b hydrophore and hydrotheca; c gonothecae. d–g H. tubatum: d stem; e detail of the basal rings of the stem; f–g hydrothecae. h–j Hydrodendron arboreum: h stem showing hydrophores arrangement; i colony; j nematophore." httpUri="https://zenodo.org/record/2608555/files/figure.png" pageId="42" pageNumber="43">Fig. 14</figureCitation>
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d–g)
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</paragraph>
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</subSubSection>
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<subSubSection id="C30B652AA444FFD8E983FEEDFC4D9A41" pageId="42" pageNumber="43" type="materials_examined">
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<paragraph id="8BAE36A1A444FFD8E983FEEDFC4D9A41" blockId="42.[151,1437,258,823]" pageId="42" pageNumber="43">
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<emphasis id="B965EAB3A444FFD8E983FEEDFE3B9A65" bold="true" box="[151,384,258,283]" pageId="42" pageNumber="43">Material examined.</emphasis>
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<emphasis id="B965EAB3A444FFD8E893FEECFE429A65" box="[391,505,259,283]" italics="true" pageId="42" pageNumber="43">ANT XV/3</emphasis>
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:
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<emphasis id="B965EAB3A444FFD8EB13FEEDFDEC9A65" bold="true" box="[519,599,258,283]" pageId="42" pageNumber="43">48-276</emphasis>
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, several polyps, on
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<taxonomicName id="4C114D22A444FFD8EA22FEECFC2D9A65" authorityName="Pena Cantero, Svoboda & Vervoort" authorityYear="1996" box="[822,918,259,283]" class="Hydrozoa" family="Halopterididae" genus="Schizotricha" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="42" pageNumber="43" phylum="Cnidaria" rank="species" species="nana">
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<emphasis id="B965EAB3A444FFD8EA22FEECFC2D9A65" box="[822,918,259,283]" italics="true" pageId="42" pageNumber="43">Sc. nana</emphasis>
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</taxonomicName>
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;
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<emphasis id="B965EAB3A444FFD8EAB0FEECFB9B9A65" box="[932,1056,259,283]" italics="true" pageId="42" pageNumber="43">ANT XXI/2</emphasis>
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:
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<emphasis id="B965EAB3A444FFD8ED3AFEEDFB269A65" bold="true" box="[1070,1181,258,283]" pageId="42" pageNumber="43">PS65/278</emphasis>
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, several polyps, on
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<taxonomicName id="4C114D22A444FFD8EC68FEECFF4D9A41" authorityName="Pena Cantero, Svoboda & Vervoort" authorityYear="2002" class="Hydrozoa" family="Sertulariidae" genus="Symplectoscyphus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="42" pageNumber="43" phylum="Cnidaria" rank="species" species="weddelli">
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<emphasis id="B965EAB3A444FFD8EC68FEECFF4D9A41" italics="true" pageId="42" pageNumber="43">Sy. weddelli</emphasis>
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</taxonomicName>
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and sponge;
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<emphasis id="B965EAB3A444FFD8E89EFEC9FE429A41" bold="true" box="[394,505,294,319]" pageId="42" pageNumber="43">PS65/280</emphasis>
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, few polyps, on undetermined
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<taxonomicName id="4C114D22A444FFD8EA40FEC9FC499A41" authorityName="Cornelius" authorityYear="1992" box="[852,1010,294,319]" class="Hydrozoa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Anthoathecata" pageId="42" pageNumber="66" phylum="Cnidaria" rank="order">anthoathecata</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C30B652AA444FFD8E9D3FEA5FB6099D9" pageId="42" pageNumber="43" type="discussion">
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<paragraph id="8BAE36A1A444FFD8E9D3FEA5FD029921" blockId="42.[151,1437,258,823]" pageId="42" pageNumber="43">
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<emphasis id="B965EAB3A444FFD8E9D3FEA5FE809A1D" bold="true" box="[199,315,330,355]" pageId="42" pageNumber="43">Remarks.</emphasis>
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<taxonomicName id="4C114D22A444FFD8E855FEA5FDAA9A1D" authorityName="Watson" authorityYear="2008" box="[321,529,330,355]" class="Hydrozoa" family="Haleciidae" genus="Halecium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="42" pageNumber="43" phylum="Cnidaria" rank="species" species="tubatum">
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<emphasis id="B965EAB3A444FFD8E855FEA5FDAA9A1D" box="[321,529,330,355]" italics="true" pageId="42" pageNumber="43">Halecium tubatum</emphasis>
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</taxonomicName>
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was considered as
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<emphasis id="B965EAB3A444FFD8EBFCFEA3FC019A1D" box="[744,954,330,355]" italics="true" pageId="42" pageNumber="43">species inquirenda</emphasis>
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by
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<bibRefCitation id="EF804B50A444FFD8EAF7FEA4FB609A1D" author="Pena Cantero, A. L." box="[995,1243,330,355]" pageId="42" pageNumber="43" pagination="243 - 280" refId="ref44359" refString="Pena Cantero, A. L. (2014 b) Revision of the Antarctic species of Halecium Oken, 1815 (Cnidaria, Hydrozoa, Haleciidae). Zootaxa, 3790 (2), 243 - 280. https: // doi. org / 10.11646 / zootaxa. 3790.2.2" type="journal article" year="2014">Peña Cantero (2014b)</bibRefCitation>
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, who pointed out that the species could correspond to incipient stems of other haleciids such as
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<taxonomicName id="4C114D22A444FFD8ED2CFE80FB549AF9" authorityName="Ritchie" authorityYear="1907" box="[1080,1263,366,391]" class="Hydrozoa" family="Haleciidae" genus="Halecium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Leptothecata" pageId="42" pageNumber="43" phylum="Cnidaria" rank="species" species="interpolatum">
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<emphasis id="B965EAB3A444FFD8ED2CFE80FB549AF9" box="[1080,1263,366,391]" italics="true" pageId="42" pageNumber="43">H. interpolatum</emphasis>
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</taxonomicName>
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. However, the analysis of the cnidome has contributed to a better characterization of the species (see below), proving to be different from other congenerics previously documented in Antarctic waters (cf.
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<bibRefCitation id="EF804B50A444FFD8ED0AFE58FABD9AB1" author="Pena Cantero, A. L." box="[1054,1286,438,463]" pageId="42" pageNumber="43" pagination="243 - 280" refId="ref44359" refString="Pena Cantero, A. L. (2014 b) Revision of the Antarctic species of Halecium Oken, 1815 (Cnidaria, Hydrozoa, Haleciidae). Zootaxa, 3790 (2), 243 - 280. https: // doi. org / 10.11646 / zootaxa. 3790.2.2" type="journal article" year="2014">Peña Cantero 2014b</bibRefCitation>
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). The species is considered here as valid, although mature specimens have not been found yet. We consider the two-three basal rings followed by a wavy internode (
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<figureCitation id="132A2A24A444FFD8EB2BFE11FD1A9969" box="[575,673,510,535]" captionStart="FIGURE 14" captionStartId="40.[151,250,1489,1511]" captionTargetBox="[156,1431,198,1462]" captionTargetId="figure@40.[151,1436,193,1468]" captionTargetPageId="40" captionText="FIGURE 14. a Halecium incertus: colony. b–c H. secundum: b hydrophore and hydrotheca; c gonothecae. d–g H. tubatum: d stem; e detail of the basal rings of the stem; f–g hydrothecae. h–j Hydrodendron arboreum: h stem showing hydrophores arrangement; i colony; j nematophore." httpUri="https://zenodo.org/record/2608555/files/figure.png" pageId="42" pageNumber="43">Fig. 14e</figureCitation>
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), the absence of diaphragm (
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<figureCitation id="132A2A24A444FFD8EAFAFE11FBF69969" box="[1006,1101,510,535]" captionStart="FIGURE 14" captionStartId="40.[151,250,1489,1511]" captionTargetBox="[156,1431,198,1462]" captionTargetId="figure@40.[151,1436,193,1468]" captionTargetPageId="40" captionText="FIGURE 14. a Halecium incertus: colony. b–c H. secundum: b hydrophore and hydrotheca; c gonothecae. d–g H. tubatum: d stem; e detail of the basal rings of the stem; f–g hydrothecae. h–j Hydrodendron arboreum: h stem showing hydrophores arrangement; i colony; j nematophore." httpUri="https://zenodo.org/record/2608555/files/figure.png" pageId="42" pageNumber="43">Fig. 14f</figureCitation>
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), the presence of desmocytes (
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<figureCitation id="132A2A24A444FFD8E98BFDCDFEB89945" box="[159,259,546,571]" captionStart="FIGURE 14" captionStartId="40.[151,250,1489,1511]" captionTargetBox="[156,1431,198,1462]" captionTargetId="figure@40.[151,1436,193,1468]" captionTargetPageId="40" captionText="FIGURE 14. a Halecium incertus: colony. b–c H. secundum: b hydrophore and hydrotheca; c gonothecae. d–g H. tubatum: d stem; e detail of the basal rings of the stem; f–g hydrothecae. h–j Hydrodendron arboreum: h stem showing hydrophores arrangement; i colony; j nematophore." httpUri="https://zenodo.org/record/2608555/files/figure.png" pageId="42" pageNumber="43">Fig. 14f</figureCitation>
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), and the greatly recurved hydrotheca (
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<figureCitation id="132A2A24A444FFD8EBF0FDCDFC819945" box="[740,826,546,571]" captionStart="FIGURE 14" captionStartId="40.[151,250,1489,1511]" captionTargetBox="[156,1431,198,1462]" captionTargetId="figure@40.[151,1436,193,1468]" captionTargetPageId="40" captionText="FIGURE 14. a Halecium incertus: colony. b–c H. secundum: b hydrophore and hydrotheca; c gonothecae. d–g H. tubatum: d stem; e detail of the basal rings of the stem; f–g hydrothecae. h–j Hydrodendron arboreum: h stem showing hydrophores arrangement; i colony; j nematophore." httpUri="https://zenodo.org/record/2608555/files/figure.png" pageId="42" pageNumber="43">Fig. 14</figureCitation>
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f–g), coupled with the size of the nematocysts, as unequivocal diagnostic characters of the species.
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</paragraph>
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<paragraph id="8BAE36A1A444FFD8E983FD85FB6099D9" blockId="42.[151,1437,258,823]" pageId="42" pageNumber="43">Cnidome composed of microbasic euryteles? [range 17.0–19.5 x 6.0–8.0 µm, mean 18.7±0.6 x 7.2±0.6 µm (n=19)] and microbasic mastigophores [range 8.0–8.5 x 1.5–2.0 µm, mean 8.2±0.2 x 1.6±0.2 µm (n=17)].</paragraph>
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</subSubSection>
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<subSubSection id="C30B652AA444FFD8E9D3FD5DFD469849" pageId="42" pageNumber="43" type="biology_ecology">
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<paragraph id="8BAE36A1A444FFD8E9D3FD5DFD469849" blockId="42.[151,1437,258,823]" pageId="42" pageNumber="43">
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<emphasis id="B965EAB3A444FFD8E9D3FD5DFE4C99B5" bold="true" box="[199,503,690,715]" pageId="42" pageNumber="43">Ecology and distribution.</emphasis>
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Valid records of the species are restricted to the
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<typeStatus id="54AA8803A444FFD8ED0BFD5DFB3F99B5" box="[1055,1156,690,715]" pageId="42" pageNumber="43" type="holotype">holotype</typeStatus>
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, which was collected off Wilkes Land (East
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<collectingCountry id="F3067631A444FFD8E879FD39FE589991" box="[365,483,726,751]" name="Antarctica" pageId="42" pageNumber="43">Antarctica</collectingCountry>
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) at a depth of
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<quantity id="4CE99B44A444FFD8EB97FD39FD719990" box="[643,714,726,751]" metricMagnitude="2" metricUnit="m" metricValue="1.63" pageId="42" pageNumber="43" unit="m" value="163.0">163 m</quantity>
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(
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<bibRefCitation id="EF804B50A444FFD8EBCCFD38FCC99991" author="Watson, J. E." box="[728,882,727,751]" pageId="42" pageNumber="43" pagination="165 - 178" refId="ref47732" refString="Watson, J. E. (2008) Hydroids of the BANZARE expeditions, 1929 - 1931: the family Haleciidae (Hydrozoa, Leptothecata) from the Australian Antarctic Territory. Memoirs of the Museum of Fictoria, 65, 165 - 178. https: // doi. org / 10.24199 / j. mmv. 2008.65.9" type="journal article" year="2008">Watson 2008</bibRefCitation>
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||
). Material examined here was found between 119 and
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<quantity id="4CE99B44A444FFD8E9D3FD14FEB5986C" box="[199,270,763,787]" metricMagnitude="2" metricUnit="m" metricValue="4.17" pageId="42" pageNumber="43" unit="m" value="417.0">417 m</quantity>
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depth. Present finding constitutes the first evidence of the species from both the Weddell Sea and West
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<collectingCountry id="F3067631A444FFD8E983FCF1FEB49849" box="[151,271,798,823]" name="Antarctica" pageId="42" pageNumber="43">Antarctica</collectingCountry>
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, pointing to a circum-Antarctic distribution.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |