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<document id="D13CFD49E586EB974268FF54AB8C4F7F" ID-DOI="10.24199/j.mmv.2015.73.03" ID-ISSN="1447-2554" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="juliana" IM.tables_approvedBy="juliana" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="juliana" checkinTime="1708006426720" checkinUser="felipe" docAuthor="Watson, Jeanette E." docDate="2015" docId="03DA87E65C466A55F6F3297BFA73DA54" docLanguage="en" docName="MemMusVictoria.73.19-26.pdf" docOrigin="Memoirs of Museum Victoria 73" docStyle="DocumentStyle:5B3B5C052A93BFEEE334AD6097A94E45.2:MemMusVictoria.2003-.journal_article.type1" docStyleId="5B3B5C052A93BFEEE334AD6097A94E45" docStyleName="MemMusVictoria.2003-.journal_article.type1" docStyleVersion="2" docTitle="Eudendrium pennycuikae Watson 1985" docType="treatment" docVersion="2" lastPageNumber="22" masterDocId="FFE3FF9E5C456A56F6602B4CFFDBDD3B" masterDocTitle="Five athecate hydroids (hydrozoa: anthoathecata) from south-eastern australia" masterLastPageNumber="26" masterPageNumber="19" pageNumber="22" updateTime="1711543314422" updateUser="juliana" zenodo-license-document="CC-BY-4.0">
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<mods:title id="4100D01D16DE9A8684EFACE31A5A2374">Five athecate hydroids (hydrozoa: anthoathecata) from south-eastern australia</mods:title>
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<mods:namePart id="8A00D5644B68B621873EF11DBC23B51D">Watson, Jeanette E.</mods:namePart>
<mods:affiliation id="C0AC440EE7F66B2050540FB6B5B98DFC">Honorary Research Associate, Marine Biology, Museum Victoria, GPO Box 666, Melbourne 3001, Victoria, Australia.</mods:affiliation>
<mods:nameIdentifier id="142A5B9C1FFB19C10B3BCAE7F746B3FF" type="email">hydroid@bigpond.com</mods:nameIdentifier>
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<mods:title id="D599D59450B23CCA533E0490DE793F04">Memoirs of Museum Victoria</mods:title>
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<mods:date id="85ABB4B1320C4E30457FAF87ED457C6E">2015</mods:date>
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<mods:identifier id="56EF4425C714C0AE9685DD7C23D4476A" type="ISSN">1447-2554</mods:identifier>
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<treatment id="03DA87E65C466A55F6F3297BFA73DA54" LSID="urn:lsid:plazi:treatment:03DA87E65C466A55F6F3297BFA73DA54" httpUri="http://treatment.plazi.org/id/03DA87E65C466A55F6F3297BFA73DA54" lastPageNumber="22" pageId="3" pageNumber="22">
<subSubSection id="C369657B5C466A55F6F3297BFDE8DF76" box="[147,563,567,589]" pageId="3" pageNumber="22" type="nomenclature">
<paragraph id="8BCC36F05C466A55F6F3297BFDE8DF76" blockId="3.[147,563,567,589]" box="[147,563,567,589]" pageId="3" pageNumber="22">
<heading id="D084819C5C466A55F6F3297BFDE8DF76" box="[147,563,567,589]" fontSize="9" level="2" pageId="3" pageNumber="22" reason="5">
<taxonomicName id="4C734D735C466A55F6F3297BFDE8DF76" ID-CoL="3BZKK" authority="Watson, 1985" authorityName="Watson" authorityYear="1985" box="[147,563,567,589]" class="Hydrozoa" family="Eudendriidae" genus="Eudendrium" kingdom="Animalia" order="Anthoathecata" pageId="3" pageNumber="22" phylum="Cnidaria" rank="species" species="pennycuikae">
<emphasis id="B907EAE25C466A55F6F3297BFE7FDF76" bold="true" box="[147,420,567,589]" italics="true" pageId="3" pageNumber="22">Eudendrium pennycuikae</emphasis>
<bibRefCitation id="EFE24B015C466A55F7CB2974FDE8DF76" author="Watson, J. E." box="[427,563,567,589]" pageId="3" pageNumber="22" pagination="179 - 221" refId="ref6693" refString="Watson, J. E. 1985. The genus Eudendrium (Hydrozoa: Hydroida) from Australia. Proceedings of the Royal Society of Victoria 97 (4): 179 - 221." type="journal article" year="1985">Watson, 1985</bibRefCitation>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C369657B5C466A55F6F32928FECEDF42" box="[147,277,612,634]" pageId="3" pageNumber="22" type="description">
<paragraph id="8BCC36F05C466A55F6F32928FECEDF42" blockId="3.[147,277,612,634]" box="[147,277,612,634]" pageId="3" pageNumber="22">Figure 3AF</paragraph>
</subSubSection>
<subSubSection id="C369657B5C466A55F6D929C3FD70DF87" pageId="3" pageNumber="22" type="reference_group">
<paragraph id="8BCC36F05C466A55F6D929C3FDECDF99" blockId="3.[185,683,655,701]" box="[185,567,655,674]" pageId="3" pageNumber="22">
<treatmentCitationGroup id="AB6311DE5C466A55F6D929C3FDECDF99" box="[185,567,655,674]" pageId="3" pageNumber="22">
<treatmentCitation id="0AD210E15C466A55F6D929C3FDE8DF99" author="Pennycuik, P. R." box="[185,563,655,674]" page="167" pageId="3" pageNumber="22" year="1959">
<taxonomicName id="4C734D735C466A55F6D929C3FDE8DF99" ID-CoL="3BZH6" authority="Pennycuik, 1959: 167" authorityName="Pennycuik" authorityPageNumber="167" authorityYear="1959" box="[185,563,655,674]" class="Hydrozoa" family="Eudendriidae" genus="Eudendrium" kingdom="Animalia" order="Anthoathecata" pageId="3" pageNumber="22" phylum="Cnidaria" rank="species" species="album">
<emphasis id="B907EAE25C466A55F6D929C3FEB1DF99" box="[185,362,655,674]" italics="true" pageId="3" pageNumber="22">Eudendrium album</emphasis>
<bibRefCitation id="EFE24B015C466A55F71029C3FDE8DF99" author="Pennycuik, P. R." box="[368,563,655,674]" pageId="3" pageNumber="22" pagination="141 - 210" refId="ref6322" refString="Pennycuik, P. R. 1959. Faunistic records from Queensland. Part V. Marine and brackish water hydroids. Papers of the Department of Zoology, University of Queensland 1: 141 - 210." type="journal article" year="1959">Pennycuik, 1959: 167</bibRefCitation>
</taxonomicName>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BCC36F05C466A55F6D929E5FD70DF87" blockId="3.[185,683,655,701]" box="[185,683,681,701]" pageId="3" pageNumber="22">
<treatmentCitationGroup id="AB6311DE5C466A55F6D929E5FD70DF87" box="[185,683,681,701]" pageId="3" pageNumber="22">
<treatmentCitation id="0AD210E15C466A55F6D929E5FD89DF86" author="Watson, J. E." box="[185,594,681,701]" page="183" pageId="3" pageNumber="22" year="1985">
<taxonomicName id="4C734D735C466A55F6D929E5FD89DF86" ID-CoL="3BZKK" authority="Watson, 1985: 183" authorityName="Watson" authorityPageNumber="183" authorityYear="1985" box="[185,594,681,701]" class="Hydrozoa" family="Eudendriidae" genus="Eudendrium" kingdom="Animalia" order="Anthoathecata" pageId="3" pageNumber="22" phylum="Cnidaria" rank="species" species="pennycuikae">
<emphasis id="B907EAE25C466A55F6D929E5FE7FDF87" box="[185,420,681,700]" italics="true" pageId="3" pageNumber="22">Eudendrium pennycuikae</emphasis>
<bibRefCitation id="EFE24B015C466A55F7CA29E6FD89DF86" author="Watson, J. E." box="[426,594,681,701]" pageId="3" pageNumber="22" pagination="179 - 221" refId="ref6693" refString="Watson, J. E. 1985. The genus Eudendrium (Hydrozoa: Hydroida) from Australia. Proceedings of the Royal Society of Victoria 97 (4): 179 - 221." type="journal article" year="1985">Watson, 1985: 183</bibRefCitation>
</taxonomicName>
</treatmentCitation>
, figs 58.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C369657B5C466A55F6F3299FFE57DE0D" pageId="3" pageNumber="22" type="materials_examined">
<paragraph id="8BCC36F05C466A55F6F3299FFE57DE0D" blockId="3.[147,779,723,822]" pageId="3" pageNumber="22">
<emphasis id="B907EAE25C466A55F6F3299FFE98DFDD" box="[147,323,723,742]" italics="true" pageId="3" pageNumber="22">Material examined.</emphasis>
<materialsCitation id="3B1B3CAD5C466A55F7282998FE53DE0D" collectingDate="2013-12-18" collectionCode="NMV" collectorName="J. Watson &amp; Material" elevation="3" location="Clifton Springs" municipality="Port Phillip" pageId="3" pageNumber="22" specimenCode="F202872" specimenCount="1">
<collectionCode id="ED62AE355C466A55F7282998FEA5DFDC" box="[328,382,724,743]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="3" pageNumber="22" type="Museum">NMV</collectionCode>
<specimenCode id="DBD59E8B5C466A55F7E4299FFE0CDFDD" box="[388,471,723,742]" collectionCode="NMV" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="3" pageNumber="22" type="Museum">F202872</specimenCode>
, jetty pontoon at
<location id="8EAC602B5C466A55F418299FFCD3DFDD" LSID="urn:lsid:plazi:treatment:03DA87E65C466A55F6F3297BFA73DA54:8EAC602B5C466A55F418299FFCD3DFDD" box="[632,776,723,742]" municipality="Port Phillip" name="Clifton Springs" pageId="3" pageNumber="22">Clifton Springs</location>
,
<collectingMunicipality id="6BA8AC8A5C466A55F6F429A2FEDADE3A" box="[148,257,750,769]" pageId="3" pageNumber="22">Port Phillip</collectingMunicipality>
, on ascidian
<taxonomicName id="4C734D735C466A55F71C29A2FE20DE3A" baseAuthorityName="Macdonald" baseAuthorityYear="1859" box="[380,507,750,769]" class="Ascidiacea" family="Molgulidae" genus="Molgula" kingdom="Animalia" order="Stolidobranchia" pageId="3" pageNumber="22" phylum="Chordata" rank="species" species="ficus">
<emphasis id="B907EAE25C466A55F71C29A2FE20DE3A" box="[380,507,750,769]" italics="true" pageId="3" pageNumber="22">Molgula ficus</emphasis>
</taxonomicName>
, depth
<quantity id="4C8B9B155C466A55F42229A2FDA1DE3A" box="[578,634,750,769]" metricMagnitude="-1" metricUnit="m" metricValue="3.0" pageId="3" pageNumber="22" unit="m" value="0.3">
<elevation id="005ED1C35C466A55F42229A2FDA1DE3A" box="[578,634,750,769]" metricMagnitude="-1" metricUnit="m" metricValue="3.0" pageId="3" pageNumber="22" unit="m" value="0.3">0.3 m</elevation>
</quantity>
, coll:
<collectorName id="268653265C466A55F4D529A2FCDCDE3A" box="[693,775,750,769]" pageId="3" pageNumber="22">J.Watson</collectorName>
,
<date id="FFCD10305C466A55F6F32844FF22DE20" box="[147,249,776,795]" pageId="3" pageNumber="22" value="2013-12-18">
<collectingDate id="EF89E9D85C466A55F6F32844FF22DE20" box="[147,249,776,795]" pageId="3" pageNumber="22" value="2013-12-18">18/12/2013</collectingDate>
</date>
.
<collectorName id="268653265C466A55F7682844FE8DDE20" box="[264,342,776,795]" pageId="3" pageNumber="22">Material</collectorName>
examined alive, fixed in 4% formalin then transferred to 70% ethanol
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C369657B5C466A55F6F32802FE51DBF5" pageId="3" pageNumber="22" type="description">
<paragraph id="8BCC36F05C466A55F6F32802FE07D914" blockId="3.[145,779,845,1742]" pageId="3" pageNumber="22">
<emphasis id="B907EAE25C466A55F6F32802FE32DE59" box="[147,489,845,867]" italics="true" pageId="3" pageNumber="22">Description (from live material).</emphasis>
Hydrorhizal stolons loosely reptant on ascidian. Hydrocaulus monosiphonic, of same diameter as stolon, to
<quantity id="4C8B9B155C466A55F7E128CBFE11DEA6" box="[385,458,903,925]" metricMagnitude="-2" metricUnit="m" metricValue="1.6" pageId="3" pageNumber="22" unit="mm" value="16.0">16 mm</quantity>
high, sparsely and irregularly branched without definable main stem. Lowest branch with up to 15 wide annulations, upper branches with up to 10 proximal annulations at branch junction, younger branches smooth, older branches obscurely annulated or wrinkled but always smooth distally below hydranth.
</paragraph>
<paragraph id="8BCC36F05C466A55F6D92F7AFD1AD99F" blockId="3.[145,779,845,1742]" pageId="3" pageNumber="22">Hydranth large, erect, terminal on branch, body constricted at base then becoming almost cylindrical, hypostome distinctly pedunculate, surrounded by 16-20 long tapering semiamphicoronate tentacles. No nematocyst rings or pads.</paragraph>
<paragraph id="8BCC36F05C466A55F6D92FE7FEE4D8DE" blockId="3.[145,779,845,1742]" pageId="3" pageNumber="22">Developing female gonophore encircled by a moderately thick unbranched spadix, gonophores at various stages of maturity scattered singly or in clusters of two to five on blastostyle. Spadix lost at maturity, hydranth tentacles shortening and becoming resorbed, mature gonophores with approximately 20 ova attached to blastostyle on short peduncles. Male gonophores comprising two to four (usually three) linear bead-like chambers in clusters of up to 12 on a blastostyle without hydranth, distal chamber flat bun-shaped with scattered nematocysts; no apical nematocyst pad.</paragraph>
<caption id="DF0C66785C466A55F5512E31FA4DD8C2" pageId="3" pageNumber="22" startId="3.[817,877,1405,1424]" targetBox="[821,1421,860,1380]" targetPageId="3" targetType="figure">
<paragraph id="8BCC36F05C466A55F5512E31FA4DD8C2" blockId="3.[817,1430,1405,1529]" pageId="3" pageNumber="22">
Figure 3A-G.
<emphasis id="B907EAE25C466A55F5D12E31FB78D8AB" box="[945,1187,1405,1424]" italics="true" pageId="3" pageNumber="22">
<taxonomicName id="4C734D735C466A55F5D12E31FB44D8AB" authorityName="Watson" authorityYear="1985" box="[945,1183,1405,1424]" class="Hydrozoa" family="Eudendriidae" genus="Eudendrium" kingdom="Animalia" order="Anthoathecata" pageId="3" pageNumber="22" phylum="Cnidaria" rank="species" species="pennycuikae">Eudendrium pennycuikae</taxonomicName>
.
</emphasis>
A, branch with hydranths; B, hydranth with extended tapering tentacles; C, developing female gonophores; D, mature female gonophores; E, cluster of male gonophores; F, eurytele from tentacles. Drawn from preserved material. Scale bar: A, 2 mm, B, 0.3 mm, C, D, E, 0.5 mm, F, 10 µm.
</paragraph>
</caption>
<paragraph id="8BCC36F05C466A55F6DA2EA0FDA8DB62" blockId="3.[145,779,845,1742]" pageId="3" pageNumber="22">Cnidome comprising microbasic euryteles of one size, capsule elongate elliptical, 1112 x 55.5 µm (undischarged), 89 x 4 µm (when discharged), shaft 46 µm long with a few spines, thread long; in tentacles and coenosarc.</paragraph>
<paragraph id="8BCC36F05C466A55F6D92D2DFE51DBF5" blockId="3.[145,779,845,1742]" pageId="3" pageNumber="22">Stolons and older stems pale honey brown, younger stems paler, hydranth body flesh pink, tentacles transparent, male gonophores almost white, spadix pale brown, female gonophores pale yellow.</paragraph>
</subSubSection>
<subSubSection id="C369657B5C466A55F6F42DA8FA73DA54" pageId="3" pageNumber="22" type="discussion">
<paragraph id="8BCC36F05C466A55F6F42DA8FC2EDB9E" blockId="3.[147,779,1764,1903]" lastBlockId="3.[817,1448,1651,1903]" pageId="3" pageNumber="22">
<emphasis id="B907EAE25C466A55F6F42DA8FF2EDBC2" box="[148,245,1764,1785]" italics="true" pageId="3" pageNumber="22">Remarks.</emphasis>
This is the first description of
<taxonomicName id="4C734D735C466A55F4EA2DA8FECFDA2D" authorityName="Watson" authorityYear="1985" class="Hydrozoa" family="Eudendriidae" genus="Eudendrium" kingdom="Animalia" order="Anthoathecata" pageId="3" pageNumber="22" phylum="Cnidaria" rank="species" species="pennycuikae">
<emphasis id="B907EAE25C466A55F4EA2DA8FECFDA2D" italics="true" pageId="3" pageNumber="22">Eudendrium pennycuikae</emphasis>
</taxonomicName>
from live material, the original description of
<bibRefCitation id="EFE24B015C466A55F6F32C53FE97DA0F" author="Pennycuik, P. R." box="[147,332,1822,1845]" pageId="3" pageNumber="22" pagination="141 - 210" refId="ref6322" refString="Pennycuik, P. R. 1959. Faunistic records from Queensland. Part V. Marine and brackish water hydroids. Papers of the Department of Zoology, University of Queensland 1: 141 - 210." type="journal article" year="1959">Pennycuik (1959)</bibRefCitation>
and Watsons later redescription (1985) being from preserved material held by the
<collectingRegion id="49B7F8125C466A55F4F22C70FCD1DA69" box="[658,778,1852,1874]" country="Australia" name="Queensland" pageId="3" pageNumber="22">Queensland</collectingRegion>
Museum. The present record extends the range of
<taxonomicName id="4C734D735C466A55F4942C16FC69DBB3" authorityName="Watson" authorityYear="1985" box="[756,946,1651,1903]" class="Hydrozoa" family="Eudendriidae" genus="Eudendrium" kingdom="Animalia" order="Anthoathecata" pageId="3" pageNumber="22" phylum="Cnidaria" rank="species" species="pennycuikae">
<emphasis id="B907EAE25C466A55F4942C16FC69DBB3" box="[756,946,1651,1903]" italics="true" pageId="3" pageNumber="22">E. pennycuikae</emphasis>
</taxonomicName>
from subtropical
<collectingRegion id="49B7F8125C466A55F2102D3FFB33DBB2" box="[1136,1256,1651,1673]" country="Australia" name="Queensland" pageId="3" pageNumber="22">Queensland</collectingRegion>
to cool temperate southern
<collectingCountry id="F36476605C466A55F5F02DC3FC2ADB9E" box="[912,1009,1679,1701]" name="Australia" pageId="3" pageNumber="22">Australia</collectingCountry>
.
</paragraph>
<paragraph id="8BCC36F05C466A55F5372DE0FA7CDA23" blockId="3.[817,1448,1651,1903]" pageId="3" pageNumber="22">
The large elegant pink hydranths with a whorl of long subamphicoronate tentacles is a conspicuous character in live material, differing markedly from the small hydranths with a whorl of blunt tentacles typical of southern species of
<taxonomicName id="4C734D735C466A55F3432C4FFA44DA23" authorityName="Ehrenberg" authorityYear="1834" box="[1315,1439,1795,1816]" class="Hydrozoa" family="Eudendriidae" genus="Eudendrium" kingdom="Animalia" order="Anthoathecata" pageId="3" pageNumber="22" phylum="Cnidaria" rank="genus">
<emphasis id="B907EAE25C466A55F3432C4FFA44DA23" box="[1315,1439,1795,1816]" italics="true" pageId="3" pageNumber="22">Eudendrium</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8BCC36F05C466A55F5372C53FA73DA54" blockId="3.[817,1448,1651,1903]" pageId="3" pageNumber="22">The capsule of the eurytele was found to shrink 1520% during discharge; while capsules usually shrink about 10% at discharge (authors obsv.) such a large reduction in size is unusual.</paragraph>
</subSubSection>
</treatment>
</document>