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<document id="CBAF7578947D2D344ABA86BA2C7FA1BD" ID-DOI="10.24199/j.mmv.2003.60.18" ID-ISSN="1447-2554" ID-Zenodo-Dep="12207807" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1718988095639" checkinUser="felipe" docAuthor="Watson, Jeanette W." docDate="2003" docId="039F8846FFD7FF832B4DFE23FF35FBED" docLanguage="en" docName="MemMusVictoria.60.2.151-180.pdf" docOrigin="Memoirs of Museum Victoria 60 (2)" docSource="https://museumsvictoria.com.au/collections-research/journals/memoirs-of-museum-victoria/volume-60-issue-2-2003/pages-151-180/" docStyle="DocumentStyle:5B3B5C052A93BFEEE334AD6097A94E45.2:MemMusVictoria.2003-.journal_article.type1" docStyleId="5B3B5C052A93BFEEE334AD6097A94E45" docStyleName="MemMusVictoria.2003-.journal_article.type1" docStyleVersion="2" docTitle="Tripoma arboreum Hirohito 1995" docType="treatment" docVersion="2" lastPageNumber="156" masterDocId="FFA6F03EFFD3FF86287CFFE9FFD0FF9A" masterDocTitle="Deep-water hydroids (Hydrozoa: Leptolida) from Macquarie Island" masterLastPageNumber="180" masterPageNumber="151" pageNumber="155" updateTime="1718989093353" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<subSubSection id="C32C6ADBFFD7FF822B4DFE23FB85FE7A" box="[817,1109,458,480]" pageId="4" pageNumber="155" type="nomenclature">
<paragraph id="8B893950FFD7FF822B4DFE23FB85FE7A" blockId="4.[817,1109,458,480]" box="[817,1109,458,480]" pageId="4" pageNumber="155">
<heading id="D0C18E3CFFD7FF822B4DFE23FB85FE7A" box="[817,1109,458,480]" fontSize="9" level="2" pageId="4" pageNumber="155" reason="5">
<taxonomicName id="4C3642D3FFD7FF822B4DFE23FB85FE7A" ID-CoL="7D6YJ" authority="Hirohito" authorityName="Hirohito" authorityYear="1995" box="[817,1109,458,480]" class="Hydrozoa" family="Campanulinidae" genus="Tripoma" kingdom="Animalia" order="Leptothecata" pageId="4" pageNumber="155" phylum="Cnidaria" rank="species" species="arboreum">
<emphasis id="B942E542FFD7FF822B4DFE23FC28FE7A" bold="true" box="[817,1016,458,480]" italics="true" pageId="4" pageNumber="155">Tripoma arboreum</emphasis>
Hirohito
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C32C6ADBFFD7FF822B4DFE1FFC11FD96" box="[817,961,502,524]" pageId="4" pageNumber="155" type="description">
<paragraph id="8B893950FFD7FF822B4DFE1FFC11FD96" blockId="4.[817,961,502,524]" box="[817,961,502,524]" pageId="4" pageNumber="155">
<figureCitation id="130D25D5FFD7FF822B4DFE1FFC11FD96" box="[817,961,502,524]" captionStart="Figures 5" captionStartId="5.[131,202,662,682]" captionTargetBox="[134,765,223,645]" captionTargetId="figure-506@5.[128,771,220,647]" captionTargetPageId="5" captionText="Figures 5AC. Tripoma arboreum, stn 97. A, part of stem. B, hydrotheca with closed operculum. C, hydrotheca with operculum open. Scale bar: A, 1 mm; B, C, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.12207818" httpUri="https://zenodo.org/record/12207818/files/figure.png" pageId="4" pageNumber="155">Figures 5AC</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C32C6ADBFFD7FF822B30FDC9FB9CFDF0" pageId="4" pageNumber="155" type="reference_group">
<paragraph id="8B893950FFD7FF822B30FDC9FB9CFDF0" blockId="4.[817,1457,544,618]" pageId="4" pageNumber="155">
<treatmentCitationGroup id="AB261E7EFFD7FF822B30FDC9FB9CFDF0" pageId="4" pageNumber="155">
<treatmentCitation id="0A971F41FFD7FF822B30FDC9FB7FFDAE" author="Hirohito, Emperor of &amp; Japan" box="[844,1199,544,564]" page="98" pageId="4" pageNumber="155" year="1995">
<taxonomicName id="4C3642D3FFD7FF822B30FDC9FB7FFDAE" ID-CoL="7D6YJ" authority="Hirohito, 1995: 98" authorityName="Hirohito" authorityPageNumber="98" authorityYear="1995" box="[844,1199,544,564]" class="Hydrozoa" family="Campanulinidae" genus="Tripoma" kingdom="Animalia" order="Leptothecata" pageId="4" pageNumber="155" phylum="Cnidaria" rank="species" species="arboreum">
<emphasis id="B942E542FFD7FF822B30FDC9FC29FDAE" box="[844,1017,544,564]" italics="true" pageId="4" pageNumber="155">Tripoma arboreum</emphasis>
<bibRefCitation id="EFA744A1FFD7FF822C7DFDC9FB7FFDAE" author="Hirohito, Emperor of &amp; Japan" box="[1025,1199,544,564]" pageId="4" pageNumber="155" pagination="1 - 355" refId="ref25052" refString="Hirohito, Emperor of Japan, 1995. The hydroids of Sagami Bay. II. Publications of the Biological Laboratory, Imperial Household, Tokyo, 1995: 1 - 355 (English text); 1 - 244 (Japanse text). Edited and annotated by M. Yamada." type="journal article" year="1995">Hirohito, 1995: 98</bibRefCitation>
</taxonomicName>
</treatmentCitation>
, figs 28ae, pl. 6, fig. A.—
<treatmentCitation id="0A971F41FFD7FF822B4DFDD2FBA0FDD5" author="Watson, J. E. &amp; Vervoort, W." box="[817,1136,571,591]" page="249" pageId="4" pageNumber="155" year="2000">
<bibRefCitation id="EFA744A1FFD7FF822B4DFDD2FBA0FDD5" author="Watson, J. E. &amp; Vervoort, W." box="[817,1136,571,591]" pageId="4" pageNumber="155" pagination="249 - 254" refId="ref29746" refString="Watson, J. E., and Vervoort, W. 2000. Redescription of Tripoma arboreum Hirohito, 1995 (Hydrozoa: Campanulinidae) from the Tasman Sea with notes on quasi-parasitism of the species. Pp. 249 - 254 in: Mills C. E., Boero, F., Migotto, A., and Gili J. - M. (eds), Trends in Hydrozoan Biology - IV. Scientia Marina 64 (Suppl. 1)." type="journal article" year="2000">Watson and Vervoort, 2000: 249</bibRefCitation>
</treatmentCitation>
, figs 1AD, 2AJ.—
<treatmentCitation id="0A971F41FFD7FF822D42FDD2FC3AFDF0" author="Watson, J. E. &amp; Vervoort, W." page="156" pageId="4" pageNumber="155" year="2001">
<bibRefCitation id="EFA744A1FFD7FF822D42FDD2FC3AFDF0" author="Watson, J. E. &amp; Vervoort, W." pageId="4" pageNumber="155" pagination="1 - 37" refId="ref29834" refString="Watson, J. E., and Vervoort, W. 2001. The hydroid fauna of Tasmanian seamounts. Zoologische Verhandlingen, Leiden 333: 1 - 37." type="journal article" year="2001">Watson and Vervoort, 2001: 156</bibRefCitation>
</treatmentCitation>
, fig. 3ab.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C32C6ADBFFD7FF832B4DFD97FF35FBED" lastPageId="5" lastPageNumber="156" pageId="4" pageNumber="155" type="materials_examined">
<paragraph id="8B893950FFD7FF822B4DFD97FB02FD78" blockId="4.[817,1458,638,738]" pageId="4" pageNumber="155">
<emphasis id="B942E542FFD7FF822B4DFD97FC36FD08" box="[817,998,638,658]" italics="true" pageId="4" pageNumber="155">Material examined.</emphasis>
Stn 63,
<collectionCode id="ED27A195FFD7FF822C44FD97FBBDFD08" box="[1080,1133,638,658]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="4" pageNumber="155" type="Museum">NMV</collectionCode>
F91311, several infertile colonies, the tallest
<quantity id="4CCE94B5FFD7FF822BF1FD71FC1CFD36" box="[909,972,664,684]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="4" pageNumber="155" unit="mm" value="40.0">40 mm</quantity>
high on a primnoid gorgonian, specimen alcohol preserved. Stn 97,
<collectionCode id="ED27A195FFD7FF822BABFD5AFC29FD5D" box="[983,1017,691,711]" country="Germany" name="Teylers Museum, Paleontologische" pageId="4" pageNumber="155">TM</collectionCode>
K2771, specimens alcohol-preserved.
<collectionCode id="ED27A195FFD7FF822D00FD5AFA61FD5D" box="[1404,1457,691,711]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="4" pageNumber="155" type="Museum">NMV</collectionCode>
F91332, Stn 97, malinol-mounted microslide.
</paragraph>
<paragraph id="8B893950FFD7FF822B4EFD11FB92FBF4" blockId="4.[817,1458,760,1910]" pageId="4" pageNumber="155">
<emphasis id="B942E542FFD7FF822B4EFD11FC79FC94" box="[818,937,760,782]" italics="true" pageId="4" pageNumber="155">Description</emphasis>
. Colonies erect, branched, the tallest
<quantity id="4CCE94B5FFD7FF822D51FD11FAA5FC94" box="[1325,1397,760,782]" metricMagnitude="-2" metricUnit="m" metricValue="7.5" pageId="4" pageNumber="155" unit="mm" value="75.0">75 mm</quantity>
high. Hydrorhiza reptant on stem of host, tubular, undulating, sometimes contorted. Erect stems arising from hydrorhiza, some hydrothecae arising directly from stolon. Most stems polysiphonic, several younger stems monosiphonic and unbranched, older stems with increasingly polysiphonic. Stem internodes variable in length, cylindrical, smooth, nodes usually distinct, transverse to slightly oblique, marked by a constriction in perisarc. Apophyses alternate, long, distal on internode, directed upwards at c. 45° to internodal axis, often shifted slightly around stem, distal node of apophysis transverse, sometimes extended into two or three segments, each with deep transverse node.
</paragraph>
<paragraph id="8B893950FFD7FF822B2DFB9CFA9CFA2A" blockId="4.[817,1458,760,1910]" pageId="4" pageNumber="155">Hydrothecae inverted conical, long, slender, slightly asymmetrical in section, arising from stem apophysis, usually a well to poorly marked internode between apophysial segment and hydrotheca; adcauline wall weakly convex, abcauline wall straight to weakly concave, a ring of tiny punctae near base of hydrotheca, a band of remnant tissue extending diagonally upwards into hydrotheca from desmocyte ring. Margin with 2 long, sharp triangular cusps separated by deeply scalloped embayments, demarcation between margin and hydrothecal body faint, operculum splits into at least 4 thin flaps. Perisarc of hydrotheca delicate, thinning markedly to margin.</paragraph>
<paragraph id="8B893950FFD7FF822B30FA5CFC07FA7C" blockId="4.[817,1458,760,1910]" pageId="4" pageNumber="155">
<emphasis id="B942E542FFD7FF822B30FA5CFC48FA51" box="[844,920,1461,1483]" italics="true" pageId="4" pageNumber="155">Colour.</emphasis>
Colony pale honey-yellow, distal parts and hydrothecae almost colourless.
</paragraph>
<paragraph id="8B893950FFD7FF822B30FA05FBD3F99A" blockId="4.[817,1458,760,1910]" box="[844,1027,1516,1536]" pageId="4" pageNumber="155">
<emphasis id="B942E542FFD7FF822B30FA05FC1FF99A" box="[844,975,1516,1536]" italics="true" pageId="4" pageNumber="155">Measurements</emphasis>
(µm)
</paragraph>
<paragraph id="8B893950FFD7FF822B4DF9EEFA7CF9F1" blockId="4.[817,1458,760,1910]" pageId="4" pageNumber="155">Hydrorhiza diameter 80160 Stem length of internode 9601200</paragraph>
<paragraph id="8B893950FFD7FF822B30F99BFA7CF91C" blockId="4.[817,1458,760,1910]" box="[844,1452,1650,1670]" pageId="4" pageNumber="155">width at node 5986</paragraph>
<paragraph id="8B893950FFD7FF822B30F965FA7CF93A" blockId="4.[817,1458,760,1910]" box="[844,1452,1676,1696]" pageId="4" pageNumber="155">diameter at node 7288</paragraph>
<paragraph id="8B893950FFD7FF822B30F94EFA7CF921" blockId="4.[817,1458,760,1910]" box="[844,1452,1703,1723]" pageId="4" pageNumber="155">adcauline length of proximal apophysis 52100</paragraph>
<paragraph id="8B893950FFD7FF822B30F92BFA7CF94C" blockId="4.[817,1458,760,1910]" box="[844,1452,1730,1750]" pageId="4" pageNumber="155">diameter at proximal apophysial node 6480</paragraph>
<paragraph id="8B893950FFD7FF822B30F935FA7CF8BC" blockId="4.[817,1458,760,1910]" pageId="4" pageNumber="155">length of apophysis including extensions 80200 Hydrotheca length including pedicel 770941</paragraph>
<caption id="DF4969D8FFD7FF8228F7F8F1FDCFF8E6" ID-DOI="http://doi.org/10.5281/zenodo.12207816" ID-Zenodo-Dep="12207816" httpUri="https://zenodo.org/record/12207816/files/figure.png" pageId="4" pageNumber="155" startId="4.[139,207,1816,1836]" targetBox="[229,670,978,1795]" targetPageId="4" targetType="figure">
<paragraph id="8B893950FFD7FF8228F7F8F1FDCFF8E6" blockId="4.[139,778,1816,1916]" pageId="4" pageNumber="155">
Figures 4AC.
<taxonomicName id="4C3642D3FFD7FF82296BF8F0FE6DF8B6" box="[279,445,1816,1837]" class="Hydrozoa" family="Eudendriidae" genus="Eudendrium" kingdom="Animalia" order="Anthoathecata" pageId="4" pageNumber="155" phylum="Cnidaria" rank="species" species="undetermined">
<emphasis id="B942E542FFD7FF82296BF8F0FE57F8B7" box="[279,391,1817,1837]" italics="true" pageId="4" pageNumber="155">Eudendrium</emphasis>
spec.
</taxonomicName>
, stn 44. A, colony on dead branch of primnoid gorgonian, stn 44. B, cluster of male gonophores. C, undischarged nematocyst, probably eurytele; in tentacles and coernosarc. Scale bar: A, 20 mm; B, 0.5 mm; C, 10 µm.
</paragraph>
</caption>
<paragraph id="8B893950FFD7FF822B30F8C5FA7CF8DA" blockId="4.[817,1458,760,1910]" box="[844,1452,1836,1856]" pageId="4" pageNumber="155">length, base to apex of cusps 784848</paragraph>
<paragraph id="8B893950FFD7FF822B30F8AEFA7CF8C1" blockId="4.[817,1458,760,1910]" box="[844,1452,1863,1883]" pageId="4" pageNumber="155">width of margin across base of cusps 200264</paragraph>
<paragraph id="8B893950FFD7FF832B30F88BFE61FCD9" blockId="4.[817,1458,760,1910]" lastBlockId="5.[131,771,784,835]" lastPageId="5" lastPageNumber="156" pageId="4" pageNumber="155">
depth of opercular embayment 136160
<emphasis id="B942E542FFD6FF8328FFFCF9FED6FCBC" box="[131,262,784,806]" italics="true" pageId="5" pageNumber="156">Distribution.</emphasis>
<collectingCountry id="F32179C0FFD6FF83296EFCF9FE9EFCBC" box="[274,334,784,806]" name="Japan" pageId="5" pageNumber="156">Japan</collectingCountry>
, Tasman Sea and Bass Strait,
<collectingCountry id="F32179C0FFD6FF832ADAFCF9FCD3FCBC" box="[678,771,784,806]" name="Australia" pageId="5" pageNumber="156">Australia</collectingCountry>
(
<bibRefCitation id="EFA744A1FFD6FF8328F6FCC4FE76FCD9" author="Watson, J. E. &amp; Vervoort, W." box="[138,422,813,835]" pageId="5" pageNumber="156" pagination="1 - 37" refId="ref29834" refString="Watson, J. E., and Vervoort, W. 2001. The hydroid fauna of Tasmanian seamounts. Zoologische Verhandlingen, Leiden 333: 1 - 37." type="journal article" year="2001">Watson and Vervoort, 2001</bibRefCitation>
).
</paragraph>
<caption id="DF4969D8FFD6FF8328FFFD7FFE2BFD7A" ID-DOI="http://doi.org/10.5281/zenodo.12207818" ID-Zenodo-Dep="12207818" httpUri="https://zenodo.org/record/12207818/files/figure.png" pageId="5" pageNumber="156" startId="5.[131,202,662,682]" targetBox="[134,765,223,645]" targetPageId="5" targetType="figure">
<paragraph id="8B893950FFD6FF8328FFFD7FFE2BFD7A" blockId="5.[131,769,662,736]" pageId="5" pageNumber="156">
Figures 5AC.
<taxonomicName id="4C3642D3FFD6FF83295BFD7EFE33FD31" authorityName="Hirohito" authorityYear="1995" box="[295,483,663,683]" class="Hydrozoa" family="Campanulinidae" genus="Tripoma" kingdom="Animalia" order="Leptothecata" pageId="5" pageNumber="156" phylum="Cnidaria" rank="species" species="arboreum">
<emphasis id="B942E542FFD6FF83295BFD7EFE33FD31" box="[295,483,663,683]" italics="true" pageId="5" pageNumber="156">Tripoma arboreum</emphasis>
</taxonomicName>
, stn 97. A, part of stem. B, hydrotheca with closed operculum. C, hydrotheca with operculum open. Scale bar: A, 1 mm; B, C, 0.5 mm.
</paragraph>
</caption>
<paragraph id="8B893950FFD6FF8328FFFCB0FF35FBED" blockId="5.[131,771,857,1143]" pageId="5" pageNumber="156">
<emphasis id="B942E542FFD6FF8328FFFCB0FF33FCF5" box="[131,227,857,879]" italics="true" pageId="5" pageNumber="156">Remarks.</emphasis>
The material conforms to the descriptions of colonies of
<taxonomicName id="4C3642D3FFD6FF8328DFFC9FFEB7FC16" authorityName="Hirohito" authorityYear="1995" box="[163,359,886,908]" class="Hydrozoa" family="Campanulinidae" genus="Tripoma" kingdom="Animalia" order="Leptothecata" pageId="5" pageNumber="156" phylum="Cnidaria" rank="species" species="arboreum">
<emphasis id="B942E542FFD6FF8328DFFC9FFEB7FC16" box="[163,359,886,908]" italics="true" pageId="5" pageNumber="156">Tripoma arboreum</emphasis>
</taxonomicName>
given by
<bibRefCitation id="EFA744A1FFD6FF8329A5FC9FFD2FFC16" author="Watson, J. E. &amp; Vervoort, W." box="[473,767,886,908]" pageId="5" pageNumber="156" pagination="249 - 254" refId="ref29746" refString="Watson, J. E., and Vervoort, W. 2000. Redescription of Tripoma arboreum Hirohito, 1995 (Hydrozoa: Campanulinidae) from the Tasman Sea with notes on quasi-parasitism of the species. Pp. 249 - 254 in: Mills C. E., Boero, F., Migotto, A., and Gili J. - M. (eds), Trends in Hydrozoan Biology - IV. Scientia Marina 64 (Suppl. 1)." type="journal article" year="2000">Watson and Vervoort (2000</bibRefCitation>
,
<bibRefCitation id="EFA744A1FFD6FF8328FFFC7DFF6AFC30" author="Watson, J. E. &amp; Vervoort, W." box="[131,186,916,938]" pageId="5" pageNumber="156" pagination="1 - 37" refId="ref29834" refString="Watson, J. E., and Vervoort, W. 2001. The hydroid fauna of Tasmanian seamounts. Zoologische Verhandlingen, Leiden 333: 1 - 37." type="journal article" year="2001">2001</bibRefCitation>
). A feature not noted in previous descriptions is a line of very small punctae in some hydrothecae a short distance above the distalmost apophysial node, passing transversely to obliquely across the hydrotheca and then continuing upward as a line of granules, gradually merging with the hydrothecal wall below the margin. Tissue remnants attached to the granules in some hydrothecae suggest they provide support for the hydranth.
</paragraph>
</subSubSection>
</treatment>
</document>