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<document id="375BDD4C45A5636FF586D0E24F9D12F8" ID-CLB-Dataset="7636" ID-DOI="10.24199/j.mmv.2008.65.9" ID-GBIF-Dataset="b20b7b3d-7fa7-4de7-87dd-9e00d48a6fa3" ID-ISSN="1447-2554" ID-Zenodo-Dep="4630462" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1616508968950" checkinUser="carolina" docAuthor="Watson, Jeanette E." docDate="2008" docId="039D5126FFAEFFB51898FBE619C893CE" docLanguage="en" docName="MemMusVic.65.165-178.pdf.imf" docOrigin="Memoirs of Museum Victoria 65" docSource="http://dx.doi.org/10.24199/j.mmv.2008.65.9" docStyle="DocumentStyle:5B3B5C052A93BFEEE334AD6097A94E45.1:MemMusVictoria.2003-.journal_article.type1" docStyleId="5B3B5C052A93BFEEE334AD6097A94E45" docStyleName="MemMusVictoria.2003-.journal_article.type1" docStyleVersion="1" docTitle="Halecium macrocaulus Watson 2008, sp. nov." docType="treatment" docVersion="6" lastPageNumber="174" masterDocId="FFA4295EFFA6FFBC1814FFD91C61972C" masterDocTitle="Hydroids of the BANZARE expeditions, 1929 – 1931: the family Haleciidae (Hydrozoa, Leptothecata) from the Australian Antarctic Territory" masterLastPageNumber="178" masterPageNumber="165" pageNumber="173" updateTime="1698934552296" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title id="E8AE9B249DEA0CB9F3F1B21E5C6D45B8">Hydroids of the BANZARE expeditions, 1929 – 1931: the family Haleciidae (Hydrozoa, Leptothecata) from the Australian Antarctic Territory</mods:title>
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<mods:namePart id="4C82D9407AD92EC5E701D46514AD3DB6">Watson, Jeanette E.</mods:namePart>
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<mods:date id="89E60ADE420B1DB0DDF6FA48EB35EFD5">2008</mods:date>
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<treatment id="039D5126FFAEFFB51898FBE619C893CE" ID-DOI="http://doi.org/10.5281/zenodo.4630633" ID-GBIF-Taxon="180670361" ID-Zenodo-Dep="4630633" LSID="urn:lsid:plazi:treatment:039D5126FFAEFFB51898FBE619C893CE" httpUri="http://treatment.plazi.org/id/039D5126FFAEFFB51898FBE619C893CE" lastPageId="9" lastPageNumber="174" pageId="8" pageNumber="173">
<subSubSection id="C32EB3BBFFAEFFB41898FBE61DB99378" box="[140,472,1087,1109]" pageId="8" pageNumber="173" type="nomenclature">
<paragraph id="8B8BE030FFAEFFB41898FBE61DB99378" blockId="8.[140,472,1087,1109]" box="[140,472,1087,1109]" pageId="8" pageNumber="173">
<heading id="D0C3575CFFAEFFB41898FBE61DB99378" bold="true" box="[140,472,1087,1109]" fontSize="9" level="1" pageId="8" pageNumber="173" reason="2">
<emphasis id="B9403C22FFAEFFB41898FBE61DB99378" bold="true" box="[140,472,1087,1109]" pageId="8" pageNumber="173">
<taxonomicName id="4C349BB3FFAEFFB41898FBE61DE39379" ID-CoL="6L9TB" authority="Watson, 2008" authorityName="Watson" authorityYear="2008" box="[140,386,1087,1109]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="8" pageNumber="173" phylum="Cnidaria" rank="species" species="macrocaulus" status="sp. nov.">
<emphasis id="B9403C22FFAEFFB41898FBE61DE39379" bold="true" box="[140,386,1087,1109]" italics="true" pageId="8" pageNumber="173">Halecium macrocaulus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2738159FFAEFFB4199DFBE61DB99378" box="[393,472,1087,1108]" pageId="8" pageNumber="173" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
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<subSubSection id="C32EB3BBFFAEFFB41898FBB51D6693AD" box="[140,263,1132,1154]" pageId="8" pageNumber="173" type="description">
<paragraph id="8B8BE030FFAEFFB41898FBB51D6693AD" blockId="8.[140,263,1132,1154]" box="[140,263,1132,1154]" pageId="8" pageNumber="173">
<figureCitation id="130FFCB5FFAEFFB41898FBB51D6693AD" box="[140,263,1132,1154]" pageId="8" pageNumber="173" startId="9.[147,207,986,1005]" targetBox="[193,1422,254,965]" targetPageId="9">Figure 9A-F</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C32EB3BBFFAEFFB418A6FB4E1C8F9239" pageId="8" pageNumber="173" type="materials_examined">
<paragraph id="8B8BE030FFAEFFB418A6FB4E1C8F9239" blockId="8.[140,772,1175,1301]" pageId="8" pageNumber="173">
<materialsCitation id="3B5CEA6DFFAEFFB418A6FB4E1E0093E9" ID-GBIF-Occurrence="3059922310" collectionCode="NMV" pageId="8" pageNumber="173" stateProvince="Station 107" typeStatus="holotype">
<emphasis id="B9403C22FFAEFFB418A6FB4E1D679386" box="[178,262,1175,1194]" italics="true" pageId="8" pageNumber="173">
<typeStatus id="548F5E92FFAEFFB418A6FB4E1D679386" box="[178,262,1175,1194]" pageId="8" pageNumber="173" type="holotype">Holotype</typeStatus>
</emphasis>
<collectionCode id="ED2578F5FFAEFFB4191FFB411D209387" box="[267,321,1176,1195]" collectionName="NMV" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="8" pageNumber="173" type="Museum">NMV</collectionCode>
F147467,
<collectingRegion id="49F02ED2FFAEFFB4198FFB4E1E629386" box="[411,515,1175,1194]" pageId="8" pageNumber="173">Station 107</collectingRegion>
, one microslide displaying a branch; also a large preserved fragmented colony.
</materialsCitation>
<materialsCitation id="3B5CEA6DFFAEFFB41A7CFB6B1F6593F3" ID-GBIF-Occurrence="3059922304" collectionCode="NMV" country="Afghanistan" pageId="8" pageNumber="173" stateProvince="Station 107" typeStatus="paratype">
<emphasis id="B9403C22FFAEFFB41A7CFB6B1EA493E8" box="[616,709,1202,1220]" italics="true" pageId="8" pageNumber="173">
<typeStatus id="548F5E92FFAEFFB41A7CFB6B1EA493E8" box="[616,709,1202,1220]" pageId="8" pageNumber="173" type="paratype">Paratypes</typeStatus>
</emphasis>
<collectionCode id="ED2578F5FFAEFFB41AD9FB6B1F6393E9" box="[717,770,1202,1221]" collectionName="NMV" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="8" pageNumber="173" type="Museum">NMV</collectionCode>
F147468,
<collectingRegion id="49F02ED2FFAEFFB418F6FB151D2893CC" box="[226,329,1228,1248]" pageId="8" pageNumber="173">Station 107</collectingRegion>
, one microslide displaying two branch fragments.
</materialsCitation>
<materialsCitation id="3B5CEA6DFFAEFFB41898FB3E1C8B9239" ID-GBIF-Occurrence="3059922315" collectionCode="NMV" country="Afghanistan" pageId="8" pageNumber="173" stateProvince="Station 107">
<collectionCode id="ED2578F5FFAEFFB41898FB3E1CA393D6" box="[140,194,1255,1274]" collectionName="NMV" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="8" pageNumber="173" type="Museum">NMV</collectionCode>
F147469,
<collectingRegion id="49F02ED2FFAEFFB41924FB3E1DC193D6" box="[304,416,1255,1274]" pageId="8" pageNumber="173">Station 107</collectingRegion>
, two microslides displaying branch fragments
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C32EB3BBFFAEFFB41898FAF41D3991F0" pageId="8" pageNumber="173" type="diagnosis">
<paragraph id="8B8BE030FFAEFFB41898FAF41D4E9166" blockId="8.[140,771,1324,1903]" pageId="8" pageNumber="173">
<emphasis id="B9403C22FFAEFFB41898FAF41C92926E" box="[140,243,1325,1346]" italics="true" pageId="8" pageNumber="173">Diagnosis</emphasis>
. Thickest fragments (stem or major branches)
<quantity id="4CCC4DD5FFAEFFB41ADCFAF51F62926E" box="[712,771,1324,1346]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="8" pageNumber="173" unit="mm" value="6.0">6 mm</quantity>
wide at base and
<quantity id="4CCC4DD5FFAEFFB41949FA931DDA9273" box="[349,443,1354,1375]" metricMagnitude="-1" metricUnit="m" metricValue="2.0" pageId="8" pageNumber="173" unit="mm" value="200.0">200 mm</quantity>
long; branching profuse and irregular, originally all around stem. Stem and branches heavily fascicled by numerous thin, almost parallel tubes; tubes becoming fewer on younger branches, ultimate branches (hydrocladia) monosiphonic; several monosiphonic branches also given off from lower fascicled stem region. Branching sub-dichotomous, forks arising from within a hydrotheca; base of branch typically heavily corrugated, walls becoming smooth distally.
</paragraph>
<paragraph id="8B8BE030FFAEFFB418A6F9881D3991F0" blockId="8.[140,771,1324,1903]" pageId="8" pageNumber="173">Ultimate branches straight, flaccid, internodes fairly short, walls smooth, nodes oblique, tilted away from hydrotheca, wall of internode expanding distally to accommodate hydrophore; hydrophore short, cylindrical, very close but not adnate to internode.</paragraph>
</subSubSection>
<subSubSection id="C32EB3BBFFAEFFB418A6F93D191F91A9" pageId="8" pageNumber="173" type="description">
<paragraph id="8B8BE030FFAEFFB418A6F93D1FA4961A" blockId="8.[140,771,1324,1903]" lastBlockId="8.[809,1441,229,1049]" pageId="8" pageNumber="173">Hydrotheca shallow, adcauline wall closely adpressed to internode; walls expanding only slightly from diaphragm to margin; rim circular, tilted at 50 – 55° to axis of internode, very weakly everted. Diaphragm distinct, a row of minute thorn-shaped desmocytes closely above; a septum (false diaphragm) of perisarc passing diagonally through hydrophore from near junction of diaphragm with abcauline wall to adcauline wall.</paragraph>
<paragraph id="8B8BE030FFAEFFB41B5BFEE7191C9678" blockId="8.[809,1441,229,1049]" box="[847,1405,318,340]" pageId="8" pageNumber="173">Hydranths large with c. 24 tentacles, poorly preserved.</paragraph>
<paragraph id="8B8BE030FFAEFFB41B5BFE82193D96E6" blockId="8.[809,1441,229,1049]" pageId="8" pageNumber="173">Secondary hydrophores rare but when present, arising from diaphragm ofhydrotheca; hydrophore typically becoming a new branch beginning with two to four deep irregular twists, increasing in number with age to 10 deep corrugations.</paragraph>
<paragraph id="8B8BE030FFAEFFB41B5BFE0B1FCE95B5" blockId="8.[809,1441,229,1049]" pageId="8" pageNumber="173">Gonothecae abundant on monosiphonic branches, inserted without distinct pedicel on hydrophore or in hydrotheca; gonotheca sub-ovoid to almost triangular, strongly compressed, apex with minute twin peaks and no apparent aperture; gonophore oval, with clearly defined central spadix and apical pad of tissue armed with an array of large nematocysts.</paragraph>
<paragraph id="8B8BE030FFAEFFB41B5BFD781FC195F8" blockId="8.[809,1441,229,1049]" pageId="8" pageNumber="173">Nematocysts of two morphological categories, none discharged:</paragraph>
<paragraph id="8B8BE030FFAEFFB41B3DFD051FEA9401" blockId="8.[809,1441,229,1049]" pageId="8" pageNumber="173">
- large bean–shaped isorhizas,
<date id="FF8AC6F0FFAEFFB41C64FD0518A195DD" box="[1136,1216,732,753]" pageId="8" pageNumber="173" value="2019-10-24">19-24 x</date>
7-9 μm, abundant in apical pad of gonophore and throughout coenosarc of branches.
</paragraph>
<paragraph id="8B8BE030FFAEFFB41B3DFCEC1F93944B" blockId="8.[809,1441,229,1049]" pageId="8" pageNumber="173">
- leaf-shaped nematocysts (category indeterminate) in tentacles,
<date id="FF8AC6F0FFAEFFB41B9BFC8B1FCE944B" box="[911,943,850,871]" pageId="8" pageNumber="173">8 x</date>
2 μm.
</paragraph>
<paragraph id="8B8BE030FFAEFFB41B5BFCA91970948F" blockId="8.[809,1441,229,1049]" pageId="8" pageNumber="173">Perisarc of hydrocladia, hydrothecae and gonothecae very thin; thicker and robust in older parts of colony.</paragraph>
<paragraph id="8B8BE030FFAEFFB41B5BFC721F109335" blockId="8.[809,1441,229,1049]" pageId="8" pageNumber="173">Colour of thickest branches (preserved material) dark brown fading to honey brown in younger parts, monosiphonic branches pale creamy white to transparent, gonophores brown.</paragraph>
<paragraph id="8B8BE030FFAEFFB41B3DFBE81F969369" blockId="8.[809,1406,1072,1669]" box="[809,1015,1072,1094]" pageId="8" pageNumber="173">
<emphasis id="B9403C22FFAEFFB41B3DFBE81FDC936A" box="[809,957,1073,1094]" italics="true" pageId="8" pageNumber="173">Measurements</emphasis>
(μm)
</paragraph>
<paragraph id="8B8BE030FFAEFFB41B25FB87187D935A" blockId="8.[809,1406,1072,1669]" box="[817,1052,1118,1142]" pageId="8" pageNumber="173">Monosiphonic branch</paragraph>
<paragraph id="8B8BE030FFAEFFB41B26FB50190B938D" blockId="8.[809,1406,1072,1669]" box="[818,1386,1161,1185]" pageId="8" pageNumber="173">length of apophysis, abcauline side 237 – 395</paragraph>
<paragraph id="8B8BE030FFAEFFB41B26FB6A1FF893C4" blockId="8.[809,1406,1072,1669]" pageId="8" pageNumber="173">length of proximal (corrugated) 882 – 1,568 internode</paragraph>
<paragraph id="8B8BE030FFAEFFB41B26FB221FC2921C" blockId="8.[809,1406,1072,1669]" pageId="8" pageNumber="173">length of succeeding (hydrophorate) 703 – 798 internodes</paragraph>
<paragraph id="8B8BE030FFAEFFB41B26FA9B19089277" blockId="8.[809,1406,1072,1669]" box="[818,1385,1346,1371]" pageId="8" pageNumber="173">width at node 182 – 237</paragraph>
<paragraph id="8B8BE030FFAEFFB41B26FAB41FD192A9" blockId="8.[809,1406,1072,1669]" box="[818,944,1389,1413]" pageId="8" pageNumber="173">Hydrotheca</paragraph>
<paragraph id="8B8BE030FFAEFFB41B26FA411908929C" blockId="8.[809,1406,1072,1669]" box="[818,1385,1432,1456]" pageId="8" pageNumber="173">diameter at diaphragm 198 – 221</paragraph>
<paragraph id="8B8BE030FFAEFFB41B26FA1B193192F6" blockId="8.[809,1406,1072,1669]" box="[818,1360,1474,1498]" pageId="8" pageNumber="173">depth, margin to diaphragm 59 – 66</paragraph>
<paragraph id="8B8BE030FFAEFFB41B26FA3419089129" blockId="8.[809,1406,1072,1669]" box="[818,1385,1517,1541]" pageId="8" pageNumber="173">diameter at margin 215 – 254</paragraph>
<paragraph id="8B8BE030FFAEFFB41B26F9C11FC6911C" blockId="8.[809,1406,1072,1669]" box="[818,935,1560,1584]" pageId="8" pageNumber="173">Gonotheca</paragraph>
<paragraph id="8B8BE030FFAEFFB41B26F99B191D9177" blockId="8.[809,1406,1072,1669]" box="[818,1404,1602,1627]" pageId="8" pageNumber="173">length overall 882 – 1,431</paragraph>
<paragraph id="8B8BE030FFAEFFB41B26F9B4191F91A9" blockId="8.[809,1406,1072,1669]" box="[818,1406,1645,1669]" pageId="8" pageNumber="173">maximum width 588 – 1,078</paragraph>
</subSubSection>
<subSubSection id="C32EB3BBFFAEFFB51B3EF9711EB19043" lastPageId="9" lastPageNumber="174" pageId="8" pageNumber="173" type="discussion">
<paragraph id="8B8BE030FFAEFFB41B3EF9711F979018" blockId="8.[809,1440,1704,1903]" pageId="8" pageNumber="173">
<emphasis id="B9403C22FFAEFFB41B3EF9711FEB9191" box="[810,906,1704,1725]" italics="true" pageId="8" pageNumber="173">Remarks.</emphasis>
It is uncertain whether the material originally consisted of a large colony, now broken, or several smaller colonies. Despite the apparent robustness of the colony the hydrocladial perisarc is very thin, possibly having deteriorated during preservation.
</paragraph>
<paragraph id="8B8BE030FFAEFFB51B5BF8E21CB7925B" blockId="8.[809,1440,1704,1903]" lastBlockId="9.[147,779,1228,1903]" lastPageId="9" lastPageNumber="174" pageId="8" pageNumber="173">The adcaulinewall of the hydrotheca is so closely adpressed to the internode that the gap is only obvious on close examination. Adiagonal septum (false diaphragm) below the transverse diaphragm occursinmanyhydrothecae; it isusually obscured by tissue and visible only in cleared mounts. The desmocytes are also difficult to see, being very small and set close to the diaphragm. No replication of hydrothecae was found.</paragraph>
<caption id="DF4BB0B8FFAFFFB51887FC031E58930E" ID-DOI="http://doi.org/10.5281/zenodo.4630486" ID-Zenodo-Dep="4630486" httpUri="https://zenodo.org/record/4630486/files/figure.png" pageId="9" pageNumber="174" startId="9.[147,207,986,1005]" targetBox="[193,1422,254,965]" targetPageId="9">
<paragraph id="8B8BE030FFAFFFB51887FC031E58930E" blockId="9.[147,1449,986,1058]" pageId="9" pageNumber="174">
Figure 9. A – F.
<taxonomicName id="4C349BB3FFAFFFB51932FC031D9A94C1" authority="Watson, 2008" authorityName="Watson" authorityYear="2008" box="[294,507,986,1005]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="174" phylum="Cnidaria" rank="species" species="macrocaulus" status="sp. nov.">
<emphasis id="B9403C22FFAFFFB51932FC031D9A94C1" box="[294,507,986,1005]" italics="true" pageId="9" pageNumber="174">Halecium macrocaulus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2738159FFAFFFB51A15FC021E2794C2" box="[513,582,987,1006]" pageId="9" pageNumber="174" rank="species">sp. nov.</taxonomicNameLabel>
from holotype and paratype. A. fertile branch. B, monosiphonic part of branch with gonotheca. C, D, branch internodes. E, hydrotheca with false diaphgarm and desmocytes. F, view of gonotheca showing apical protuberances. Scale bar: A, 15 mm. B, 2 mm. C, D, 0.5 mm. E, F. 0.3 mm.
</paragraph>
</caption>
<paragraph id="8B8BE030FFAFFFB518ADFAA71EB2916A" blockId="9.[147,779,1228,1903]" pageId="9" pageNumber="174">The numerous gonothecae are quite small compared with the size of the colonies. The gonophore almost fills the gonotheca, suggesting near-maturity. As there is no evidence of an aperture, the contents are probably released by rupture of the very thin perisarc. The nematocysts are abundant in the apical pad above the gonophore and in the coenosarc of the colony; they are very large and visible even at low magnification.</paragraph>
<paragraph id="8B8BE030FFAFFFB518ADF9971EB19043" blockId="9.[147,779,1228,1903]" pageId="9" pageNumber="174">
Large arborescent species of
<taxonomicName id="4C349BB3FFAFFFB51A1BF9971E12914F" authorityName="Oken" authorityYear="1815" box="[527,627,1614,1635]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="174" phylum="Cnidaria" rank="genus">
<emphasis id="B9403C22FFAFFFB51A1BF9971E12914F" box="[527,627,1614,1635]" italics="true" pageId="9" pageNumber="174">Halecium</emphasis>
</taxonomicName>
with closely adpressed hydrophores considered were:
<taxonomicName id="4C349BB3FFAFFFB51A43F9B51D2491B3" authority="(Johnston, 1838)" baseAuthorityName="Johnston" baseAuthorityYear="1838" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="174" phylum="Cnidaria" rank="species" species="beanii">
<emphasis id="B9403C22FFAFFFB51A43F9B51F6891AD" box="[599,777,1644,1665]" italics="true" pageId="9" pageNumber="174">Halecium beanii</emphasis>
(Johnston, 1838)
</taxonomicName>
,
<taxonomicName id="4C349BB3FFAFFFB51949F9501F6591B3" authority="(Linnaeus, 1758)" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[349,772,1673,1695]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="174" phylum="Cnidaria" rank="species" species="halecinum">
<emphasis id="B9403C22FFAFFFB51949F9501E5F91B2" box="[349,574,1673,1694]" italics="true" pageId="9" pageNumber="174">Halecium halecinum</emphasis>
(Linnaeus, 1758)
</taxonomicName>
,
<taxonomicName id="4C349BB3FFAFFFB51887F97E1D859191" authority="Norman, 1867" authorityName="Norman" authorityYear="1867" box="[147,484,1703,1725]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="174" phylum="Cnidaria" rank="species" species="sessile">
<emphasis id="B9403C22FFAFFFB51887F97E1D249190" box="[147,325,1703,1724]" italics="true" pageId="9" pageNumber="174">Halecium sessile</emphasis>
Norman, 1867
</taxonomicName>
and
<taxonomicName id="4C349BB3FFAFFFB51A0BF97E1D5291F6" authority="Vervoort, 1972" authorityName="Vervoort" authorityYear="1972" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="174" phylum="Cnidaria" rank="species" species="jaederholmi">
<emphasis id="B9403C22FFAFFFB51A0BF97E1F6B9190" box="[543,778,1703,1724]" italics="true" pageId="9" pageNumber="174">Halecium jaederholmi</emphasis>
<bibRefCitation id="EFA59DC1FFAFFFB51887F91C1D5291F6" author="Vervoort, W." box="[147,307,1733,1754]" journalOrPublisher="Zoologische Verhandelingen, Leiden" pageId="9" pageNumber="174" pagination="1 - 247" part="120" refId="ref11002" refString="Vervoort, W. 1972. Hydroids from the Theta, Vema and Yelcho cruises of the Lamont-Doherty Geological Observatory. Zoologische Verhandelingen, Leiden 120: 1 - 247." title="Hydroids from the Theta, Vema and Yelcho cruises of the Lamont-Doherty Geological Observatory" type="journal article" year="1972">Vervoort, 1972</bibRefCitation>
</taxonomicName>
.
<taxonomicName id="4C349BB3FFAFFFB5192AF91C1DC191F6" baseAuthorityName="Johnston" baseAuthorityYear="1838" box="[318,416,1733,1754]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="174" phylum="Cnidaria" rank="species" species="beanii">
<emphasis id="B9403C22FFAFFFB5192AF91C1DC191F6" box="[318,416,1733,1754]" italics="true" pageId="9" pageNumber="174">H. beanii</emphasis>
</taxonomicName>
was rejected because the colonies and hydrothecal dimensionsare smaller than thoseof
<taxonomicName id="4C349BB3FFAFFFB51AB2F93B1D799039" authorityName="Watson" authorityYear="2008" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="174" phylum="Cnidaria" rank="species" species="macrocaulus">
<emphasis id="B9403C22FFAFFFB51AB2F93B1D799039" italics="true" pageId="9" pageNumber="174">Halecium macrocaulus</emphasis>
</taxonomicName>
;
<taxonomicName id="4C349BB3FFAFFFB5193DF8D81DD99039" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[297,440,1792,1814]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="174" phylum="Cnidaria" rank="species" species="halecinum">
<emphasis id="B9403C22FFAFFFB5193DF8D81DD99039" box="[297,440,1792,1814]" italics="true" pageId="9" pageNumber="174">H. halecinum</emphasis>
</taxonomicName>
and
<taxonomicName id="4C349BB3FFAFFFB519E5F8D81E379039" authorityName="Norman" authorityYear="1867" box="[497,598,1792,1814]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="174" phylum="Cnidaria" rank="species" species="sessile">
<emphasis id="B9403C22FFAFFFB519E5F8D81E379039" box="[497,598,1792,1814]" italics="true" pageId="9" pageNumber="174">H. sessile</emphasis>
</taxonomicName>
were discounted because of differences in colony morphology.
<bibRefCitation id="EFA59DC1FFAFFFB51A8BF8C71CB5907D" author="Vervoort, W." journalOrPublisher="Zoologische Verhandelingen, Leiden" pageId="9" pageNumber="174" pagination="1 - 247" part="120" refId="ref11002" refString="Vervoort, W. 1972. Hydroids from the Theta, Vema and Yelcho cruises of the Lamont-Doherty Geological Observatory. Zoologische Verhandelingen, Leiden 120: 1 - 247." title="Hydroids from the Theta, Vema and Yelcho cruises of the Lamont-Doherty Geological Observatory" type="journal article" year="1972">Vervoort’s (1972)</bibRefCitation>
description of
<taxonomicName id="4C349BB3FFAFFFB51968F8E51E7D907C" authorityName="Vervoort" authorityYear="1972" box="[380,540,1851,1873]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="9" pageNumber="174" phylum="Cnidaria" rank="species" species="jaederholmi">
<emphasis id="B9403C22FFAFFFB51968F8E51E7D907C" box="[380,540,1851,1873]" italics="true" pageId="9" pageNumber="174">H. jaederholmi</emphasis>
</taxonomicName>
is of a much smaller species with completely adnate and deeper hydrothecae.
</paragraph>
</subSubSection>
<subSubSection id="C32EB3BBFFAFFFB51B25FB1519C893CE" box="[817,1449,1228,1250]" pageId="9" pageNumber="174" type="etymology">
<paragraph id="8B8BE030FFAFFFB51B25FB1519C893CE" blockId="9.[817,1449,1228,1250]" box="[817,1449,1228,1250]" pageId="9" pageNumber="174">
<emphasis id="B9403C22FFAFFFB51B25FB151FC193CD" box="[817,928,1228,1249]" italics="true" pageId="9" pageNumber="174">Etymology.</emphasis>
The species is named for the large size of the colony.
</paragraph>
</subSubSection>
</treatment>
</document>
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