treatments-xml/data/03/AE/0A/03AE0A149C5DB23CFF3B6AA8FC949FB4.xml
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<mods:title id="2D58BD9C6CEB7712307B9059FD24F880">First records of Hamacantha species from seamounts off eastern Australia (Porifera, Demospongiae, Merliida), with description of four new species</mods:title>
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<mods:affiliation id="F08C1723A4C7D08716F8CC372579F31E">Queensland Museum, PO Box 3300, South Brisbane 4101, Brisbane, Queensland, Australia &amp; School of Biological Sciences, University of Queensland, St Lucia, Queensland, 4072 Australia &amp; Griffith Institute for Drug Discovery, Griffith University, Brisbane 4111, Queensland, Australia</mods:affiliation>
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<mods:namePart id="DBBD1FBDD6D24270C614A22214262EF7">Hooper, John N. A.</mods:namePart>
<mods:affiliation id="92842AA1366B6A9909CC322D0BBE953B">Queensland Museum, PO Box 3300, South Brisbane 4101, Brisbane, Queensland, Australia &amp; Griffith Institute for Drug Discovery, Griffith University, Brisbane 4111, Queensland, Australia</mods:affiliation>
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<emphasis id="B97367109C5DB239FF3B6AA8FDF29B8B" bold="true" box="[151,572,1759,1786]" italics="true" pageId="3" pageNumber="385">Hamacantha (Vomerula) novacula</emphasis>
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Ekins &amp; Hooper
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<figureCitation id="133CA7879C5DB239FF3B6B74FECE9A6F" box="[151,256,1795,1822]" captionStart="FIGURE 1" captionStartId="2.[151,250,1017,1041]" captionTargetBox="[151,1436,181,994]" captionTargetId="figure-20@2.[151,1436,181,994]" captionTargetPageId="2" captionText="FIGURE 1. Sampling sites of Hamacantha species described in this study." figureDoi="http://doi.org/10.5281/zenodo.8166950" httpUri="https://zenodo.org/record/8166950/files/figure.png" pageId="3" pageNumber="385">Figures 1</figureCitation>
,
<figureCitation id="133CA7879C5DB239FEA26B73FED39A6F" box="[270,285,1796,1822]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="3" pageNumber="385">3</figureCitation>
,
<tableCitation id="C6858EB99C5DB239FE866B74FE4A9A6F" box="[298,388,1795,1822]" captionStart="TABLE 1" captionStartId="5.[151,239,151,175]" captionTargetBox="[163,1425,264,1163]" captionText="TABLE 1. A comparison of location, depth and spicules between the original descriptions of H. (V.) acerata Lévi, 1993, H. (V.) umisachii Ise, Woo, Tan &amp; Fujita, 2019, and the recently collected Australian specimens of H. (V.) novacula sp. nov.. Measurements are Minimum-(Average)-Maximum of the spicules (μm)." httpUri="http://table.plazi.org/id/DF78EB8A9C5BB23FFF3B6CE0FC189D89" pageId="3" pageNumber="385" tableUuid="DF78EB8A9C5BB23FFF3B6CE0FC189D89">Tables 1</tableCitation>
,
<tableCitation id="C6858EB99C5DB239FE266B73FE529A6F" box="[394,412,1796,1822]" captionStart="TABLE 2" captionStartId="7.[151,239,503,529]" captionTargetPageId="7" captionText="TABLE 2. Comparison of the known Hamacantha (Vomerula) species. Measurements are Minimum-(Average)-Maximum of the spicules (μm)." httpUri="http://table.plazi.org/id/DF78EB8A9C59B23DFF3B6D80F9579F60" pageId="3" pageNumber="385" tableUuid="DF78EB8A9C59B23DFF3B6D80F9579F60">2</tableCitation>
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urn:lsid:zoobank.org:act:
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<location id="8ED8EDD99C5DB239FB936BA4FAC49A9F" LSID="urn:lsid:plazi:treatment:03AE0A149C5DB23CFF3B6AA8FC949FB4:8ED8EDD99C5DB239FB936BA4FAC49A9F" box="[1087,1290,2003,2030]" country="Australia" name="Southern Surveyor" pageId="3" pageNumber="385" stateProvince="Tasmania">Southern Surveyor</location>
</emphasis>
, SS
</collectorName>
02/ 2007,
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<materialsCitation id="3B6FB15F9C5BB23FFF3B6898FBF7985C" ID-GBIF-Occurrence="4163070307" collectingDate="2007-04-09" collectionCode="QM, T, RV" country="Australia" county="Southern Surveyor" elevation="1018" latitude="-44.175" location="Andy's Hill" longLatPrecision="55" longitude="146.98833" municipality="Koslov" pageId="5" pageNumber="387" specimenCode="G324761" specimenCount="1" stateProvince="Tasmania" typeStatus="paratype">
<date id="FFB99DC29C5BB23FFF3B6898FEC09878" box="[151,270,1263,1289]" pageId="5" pageNumber="387" value="2007-04-09">
<collectingDate id="EFFD642A9C5BB23FFF3B6898FEC09878" box="[151,270,1263,1289]" pageId="5" pageNumber="387" value="2007-04-09">9/IV/2007</collectingDate>
</date>
.
<typeStatus id="54BC05A09C5BB23FFEB76887FE4E987B" box="[283,384,1264,1290]" pageId="5" pageNumber="387" type="paratype">Paratype</typeStatus>
,
<collectionCode id="ED1623C79C5BB23FFE216898FE749878" box="[397,442,1263,1289]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="5" pageNumber="387" type="Museum">QM</collectionCode>
<specimenCode id="DBA113799C5BB23FFE686898FDE09878" box="[452,558,1263,1289]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="5" pageNumber="387" type="Museum">G324761</specimenCode>
,
<location id="8ED8EDD99C5BB23FFD976898FD0D9878" LSID="urn:lsid:plazi:treatment:03AE0A149C5DB23CFF3B6AA8FC949FB4:8ED8EDD99C5BB23FFD976898FD0D9878" box="[571,707,1263,1289]" country="Australia" county="Southern Surveyor" latitude="-44.175" longLatPrecision="55" longitude="146.98833" municipality="Koslov" name="Andy's Hill" pageId="5" pageNumber="387" stateProvince="Tasmania">Andys Hill</location>
,
<collectingRegion id="49C375E09C5BB23FFD7D6898FCF19878" box="[721,831,1263,1289]" country="Australia" name="Tasmania" pageId="5" pageNumber="387">Tasmania</collectingRegion>
,
<collectingCountry id="F310FB929C5BB23FFCE76898FC7B9878" box="[843,949,1263,1289]" name="Australia" pageId="5" pageNumber="387">Australia</collectingCountry>
,
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,
<geoCoordinate id="EE33DDC59C5BB23FFB846898FB6C9878" box="[1064,1186,1263,1289]" degrees="146.98833" direction="east" orientation="longitude" pageId="5" pageNumber="387" precision="1" value="146.98833">146.98833</geoCoordinate>
,
<quantity id="4CFF16E79C5BB23FFB1C6898FA8E987B" box="[1200,1344,1263,1290]" metricMagnitude="3" metricUnit="m" metricValue="1.0175" metricValueMax="1.154" metricValueMin="0.8809999999999999" pageId="5" pageNumber="387" unit="m" value="1017.5" valueMax="1154.0" valueMin="881.0">
<elevation id="002A5C319C5BB23FFB1C6898FA8E987B" box="[1200,1344,1263,1290]" metricMagnitude="3" metricUnit="m" metricValue="1.0175" metricValueMax="1.154" metricValueMin="0.8809999999999999" pageId="5" pageNumber="387" unit="m" value="1017.5" valueMax="1154.0" valueMin="881.0">8811154 m</elevation>
</quantity>
,
<location id="8ED8EDD99C5BB23FFAE26898FF3F985C" LSID="urn:lsid:plazi:treatment:03AE0A149C5DB23CFF3B6AA8FC949FB4:8ED8EDD99C5BB23FFAE26898FF3F985C" country="Australia" county="Southern Surveyor" latitude="-44.175" longLatPrecision="55" longitude="146.98833" municipality="Koslov" name="Sled - Benthic" pageId="5" pageNumber="387" stateProvince="Tasmania">Sled— Benthic</location>
,
<taxonomicName id="4C07C0819C5BB23FFF506964FE43985C" authorityName="Duncan" authorityYear="1873" box="[252,397,1299,1325]" class="Anthozoa" family="Caryophylliidae" genus="Solenosmilia" kingdom="Animalia" order="Scleractinia" pageId="5" pageNumber="387" phylum="Cnidaria" rank="genus">
<emphasis id="B97367109C5BB23FFF506964FE43985C" box="[252,397,1299,1325]" italics="true" pageId="5" pageNumber="387">Solenosmilia</emphasis>
</taxonomicName>
habitat, SS 01/97, Coll.
<collectionCode id="ED1623C79C5BB23FFD0C6964FD7C985C" box="[672,690,1299,1325]" name="Tavera, Department of Geology and Geophysics" pageId="5" pageNumber="387">T</collectionCode>
.
<collectingMunicipality id="6BDC21789C5BB23FFD116964FCC1985C" box="[701,783,1299,1325]" pageId="5" pageNumber="387">Koslov</collectingMunicipality>
, on
<collectionCode id="ED1623C79C5BB23FFC916964FCAF985C" box="[829,865,1299,1325]" country="Italy" name="Collection of Leptospira Strains" pageId="5" pageNumber="387">RV</collectionCode>
<emphasis id="B97367109C5BB23FFCC46964FBF7985C" box="[872,1081,1299,1325]" italics="true" pageId="5" pageNumber="387">
<collectingCounty id="62D9C38E9C5BB23FFCC46964FBF7985C" box="[872,1081,1299,1325]" pageId="5" pageNumber="387">Southern Surveyor</collectingCounty>
</emphasis>
</materialsCitation>
,
<date id="FFB99DC29C5BB23FFBEB6964FB76985C" box="[1095,1208,1299,1325]" pageId="5" pageNumber="387" value="1997-01-29">29/I/1997</date>
.
</paragraph>
</subSubSection>
<caption id="DF78EB8A9C5AB23EFF3B6B02FE139A88" ID-DOI="http://doi.org/10.5281/zenodo.8166956" ID-Zenodo-Dep="8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="4" pageNumber="386" startId="4.[151,250,1909,1933]" targetBox="[191,1396,181,1884]" targetPageId="4" targetType="figure">
<paragraph id="8BB8BB029C5AB23EFF3B6B02FE139A88" blockId="4.[151,1437,1909,2041]" pageId="4" pageNumber="386">
<emphasis id="B97367109C5AB23EFF3B6B02FEDC9AFC" bold="true" box="[151,274,1909,1933]" pageId="4" pageNumber="386">FIGURE 3.</emphasis>
<taxonomicName id="4C07C0819C5AB23EFEB46B02FDA19AFC" authority="Ekins &amp; Baker &amp; Hooper, 2023" authorityName="Ekins &amp; Baker &amp; Hooper" authorityYear="2023" box="[280,623,1909,1933]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="4" pageNumber="386" phylum="Porifera" rank="species" species="novacula" status="sp. nov." subGenus="Vomerua">
<emphasis id="B97367109C5AB23EFEB46B02FDA19AFC" box="[280,623,1909,1933]" italics="true" pageId="4" pageNumber="386">Hamacantha (Vomerua) novacula</emphasis>
</taxonomicName>
<emphasis id="B97367109C5AB23EFDD86B02FD0A9AFC" bold="true" box="[628,708,1909,1933]" pageId="4" pageNumber="386">
<taxonomicNameLabel id="A240DA6B9C5AB23EFDD86B02FD0A9AFC" box="[628,708,1909,1933]" pageId="4" pageNumber="386" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style.
</paragraph>
</caption>
<caption id="DF78EB8A9C5BB23FFF3B6CE0FC189D89" ID-Table-UUID="DF78EB8A9C5BB23FFF3B6CE0FC189D89" httpUri="http://table.plazi.org/id/DF78EB8A9C5BB23FFF3B6CE0FC189D89" pageId="5" pageNumber="387" startId="5.[151,239,151,175]" targetBox="[163,1425,264,1163]" targetIsTable="true" targetPageId="5" targetType="table">
<paragraph id="8BB8BB029C5BB23FFF3B6CE0FC189D89" blockId="5.[151,1436,151,248]" pageId="5" pageNumber="387">
<emphasis id="B97367109C5BB23FFF3B6CE0FEC49DDE" bold="true" box="[151,266,151,175]" pageId="5" pageNumber="387">TABLE 1.</emphasis>
A comparison of location, depth and spicules between the original descriptions of
<taxonomicName id="4C07C0819C5BB23FFBD16CEFFA569DC1" authority="Levi, 1993" authorityName="Levi" authorityYear="1993" box="[1149,1432,151,176]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="5" pageNumber="387" phylum="Porifera" rank="species" species="acerata" subGenus="Vomerua">
<emphasis id="B97367109C5BB23FFBD16CEFFAD59DDE" box="[1149,1307,152,175]" italics="true" pageId="5" pageNumber="387">H. (V.) acerata</emphasis>
<bibRefCitation id="EF96C6F39C5BB23FFA8E6CE0FA569DC1" author="Levi, C." box="[1314,1432,151,176]" pageId="5" pageNumber="387" pagination="9 - 87" refId="ref9936" refString="Levi, C. (1993) Porifera Demospongiae: Spongiaires bathyaux de Nouvelle-Caledonie, recoltes par le ' Jean Charcot'. Campagne BIOCAL, 1985. In: Crosnier, A. (Ed.), Resultats des Campagnes MUSORSTOM 11. Memoires du Museum national d'Histoire, A (Zoologie), 158, pp. 9 - 87." type="journal article" year="1993">Lévi, 1993</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C07C0819C5BB23FFF3B6CCBFD5C9DA5" authority="Ise, Woo, Tan &amp; Fujita, 2019" authorityName="Ise, Woo, Tan &amp; Fujita" authorityYear="2019" box="[151,658,187,212]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="5" pageNumber="387" phylum="Porifera" rank="species" species="umisachii" subGenus="Vomerula">
<emphasis id="B97367109C5BB23FFF3B6CCBFE809DA2" box="[151,334,187,211]" italics="true" pageId="5" pageNumber="387">H. (V.) umisachii</emphasis>
<bibRefCitation id="EF96C6F39C5BB23FFEF96CCBFD5C9DA5" author="Ise, Y. &amp; Woo, S. P. &amp; Tan, S. H. &amp; Fujita, T." box="[341,658,187,212]" pageId="5" pageNumber="387" pagination="474 - 482" refId="ref9727" refString="Ise, Y., Woo, S. P., Tan, S. H. &amp; Fujita, T. (2019) First record of Hamacantha (Porifera, Demospongiae, Merliida, Hamacanthidae) from Japan, with description of two new species. Zootaxa, 4657 (3), 474 - 482. https: // doi. org / 10.11646 / zootaxa. 4657.3.3" type="journal article" year="2019">Ise, Woo, Tan &amp; Fujita, 2019</bibRefCitation>
</taxonomicName>
, and the recently collected Australian specimens of
<taxonomicName id="4C07C0819C5BB23FFB686CCBFABB9DA2" authorityName="Ekins &amp; Baker &amp; Hooper" authorityYear="2023" box="[1220,1397,187,211]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="5" pageNumber="387" phylum="Porifera" rank="species" species="novacula" subGenus="Vomerua">
<emphasis id="B97367109C5BB23FFB686CCBFABB9DA2" box="[1220,1397,187,211]" italics="true" pageId="5" pageNumber="387">H. (V.) novacula</emphasis>
</taxonomicName>
sp.
<emphasis id="B97367109C5BB23FFF3B6C97FF039D89" bold="true" box="[151,205,224,248]" pageId="5" pageNumber="387">nov..</emphasis>
Measurements are Minimum-(Average)-Maximum of the spicules (μm).
</paragraph>
</caption>
<paragraph id="8BB8BB029C5BB23FFF0F6D7FFA8199FA" pageId="5" pageNumber="387">
<table id="F90749A29C5B4DC5FF0F6D7FFA5F99FA" box="[163,1425,264,1163]" gridcols="7" gridrows="7" pageId="5" pageNumber="387">
<tr id="3537B9409C5B4DC5FF0F6D7FFA5F9C09" box="[163,1425,264,376]" gridrow="0" pageId="5" pageNumber="387">
<th id="76E6D03C9C5B4DC5FF0F6D7FFE869C09" box="[163,328,264,376]" gridcol="0" gridrow="0" pageId="5" pageNumber="387">Specimen</th>
<th id="76E6D03C9C5B4DC5FECA6D7FFE2B9C09" box="[358,485,264,376]" gridcol="1" gridrow="0" pageId="5" pageNumber="387">Location</th>
<th id="76E6D03C9C5B4DC5FE516D7FFDAC9C09" box="[509,610,264,376]" gridcol="2" gridrow="0" pageId="5" pageNumber="387">Depth (m)</th>
<th id="76E6D03C9C5B4DC5FDD06D7FFCEF9C09" box="[636,801,264,376]" gridcol="3" gridrow="0" pageId="5" pageNumber="387">Styles (μm)</th>
<th id="76E6D03C9C5B4DC5FC906D7FFC179C09" box="[828,985,264,376]" gridcol="4" gridrow="0" pageId="5" pageNumber="387">Diancistras I (μm)</th>
<th id="76E6D03C9C5B4DC5FC5F6D7FFB0E9C09" box="[1011,1216,264,376]" gridcol="5" gridrow="0" pageId="5" pageNumber="387">Diancistras II cyrtancistra- like diancistra /Sigmancistras (μm)</th>
<th id="76E6D03C9C5B4DC5FB756D7FFA5F9C09" box="[1241,1425,264,376]" gridcol="6" gridrow="0" pageId="5" pageNumber="387">Sigmas (μm)</th>
</tr>
<tr id="3537B9409C5B4DC5FF0F6DFFFA5F9CAA" box="[163,1425,392,475]" gridrow="1" pageId="5" pageNumber="387">
<th id="76E6D03C9C5B4DC5FF0F6DFFFE869CAA" box="[163,328,392,475]" gridcol="0" gridrow="1" pageId="5" pageNumber="387">
<taxonomicName id="4C07C0819C5BB23FFF0F6DFEFEDD9CCC" authority="Levi, 1993" authorityName="Levi" authorityYear="1993" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="5" pageNumber="387" phylum="Porifera" rank="species" species="acerata" subGenus="Vomerua">
<emphasis id="B97367109C5BB23FFF0F6DFEFEF69CD1" box="[163,312,392,416]" italics="true" pageId="5" pageNumber="387">H. (V.) acerata</emphasis>
<bibRefCitation id="EF96C6F39C5BB23FFF0F6DD2FEDD9CCC" author="Levi, C." box="[163,275,421,445]" pageId="5" pageNumber="387" pagination="9 - 87" refId="ref9936" refString="Levi, C. (1993) Porifera Demospongiae: Spongiaires bathyaux de Nouvelle-Caledonie, recoltes par le ' Jean Charcot'. Campagne BIOCAL, 1985. In: Crosnier, A. (Ed.), Resultats des Campagnes MUSORSTOM 11. Memoires du Museum national d'Histoire, A (Zoologie), 158, pp. 9 - 87." type="journal article" year="1993">Lévi, 1993</bibRefCitation>
</taxonomicName>
, description
</th>
<td id="76E6D03C9C5B4DC5FECA6DFFFE2B9CAA" box="[358,485,392,475]" gridcol="1" gridrow="1" pageId="5" pageNumber="387">New Caledonia</td>
<td id="76E6D03C9C5B4DC5FE516DFFFDAC9CAA" box="[509,610,392,475]" gridcol="2" gridrow="1" pageId="5" pageNumber="387">675680</td>
<td id="76E6D03C9C5B4DC5FDD06DFFFCEF9CAA" box="[636,801,392,475]" gridcol="3" gridrow="1" pageId="5" pageNumber="387">330390 x 78</td>
<td id="76E6D03C9C5B4DC5FC906DFFFC179CAA" box="[828,985,392,475]" gridcol="4" gridrow="1" pageId="5" pageNumber="387">190200</td>
<td id="76E6D03C9C5B4DC5FC5F6DFFFB0E9CAA" box="[1011,1216,392,475]" gridcol="5" gridrow="1" pageId="5" pageNumber="387">4245</td>
<td id="76E6D03C9C5B4DC5FB756DFFFA5F9CAA" box="[1241,1425,392,475]" gridcol="6" gridrow="1" pageId="5" pageNumber="387">18</td>
</tr>
<tr id="3537B9409C5B4DC5FF0F6D99FA5F9F30" box="[163,1425,494,577]" gridrow="2" pageId="5" pageNumber="387">
<th id="76E6D03C9C5B4DC5FF0F6D99FE869F30" box="[163,328,494,577]" gridcol="0" gridrow="2" pageId="5" pageNumber="387">
<emphasis id="B97367109C5BB23FFF0F6D98FEF19F77" box="[163,319,495,518]" italics="true" pageId="5" pageNumber="387">
<taxonomicName id="4C07C0819C5BB23FFF0F6D98FEF59F77" authorityName="Levi" authorityYear="1993" box="[163,315,495,518]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="5" pageNumber="387" phylum="Porifera" rank="species" species="acerata" subGenus="Vomerua">H. (V.) acerata</taxonomicName>
,
</emphasis>
holotype, this study
</th>
<td id="76E6D03C9C5B4DC5FECA6D99FE2B9F30" box="[358,485,494,577]" gridcol="1" gridrow="2" pageId="5" pageNumber="387">New Caledonia</td>
<td id="76E6D03C9C5B4DC5FE516D99FDAC9F30" box="[509,610,494,577]" gridcol="2" gridrow="2" pageId="5" pageNumber="387">675680</td>
<td id="76E6D03C9C5B4DC5FDD06D99FCEF9F30" box="[636,801,494,577]" gridcol="3" gridrow="2" pageId="5" pageNumber="387">270(355)380 x 10(11)12, n=21</td>
<td id="76E6D03C9C5B4DC5FC906D99FC179F30" box="[828,985,494,577]" gridcol="4" gridrow="2" pageId="5" pageNumber="387">170(189)200 x 10(11)12, n=12</td>
<td id="76E6D03C9C5B4DC5FC5F6D99FB0E9F30" box="[1011,1216,494,577]" gridcol="5" gridrow="2" pageId="5" pageNumber="387">36(44)50 x 4(6)8, n=11</td>
<td id="76E6D03C9C5B4DC5FB756D99FA5F9F30" box="[1241,1425,494,577]" gridcol="6" gridrow="2" pageId="5" pageNumber="387">17 x 1, n=1</td>
</tr>
<tr id="3537B9409C5B4DC5FF0F6E0EFA5F9FBD" box="[163,1425,633,716]" gridrow="3" pageId="5" pageNumber="387">
<th id="76E6D03C9C5B4DC5FF0F6E0EFE869FBD" box="[163,328,633,716]" gridcol="0" gridrow="3" pageId="5" pageNumber="387">
<taxonomicName id="4C07C0819C5BB23FFF0F6E0DFED39FBD" authority="Ise, Woo, Tan &amp; Fujita, 2019" authorityName="Ise, Woo, Tan &amp; Fujita" authorityYear="2019" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="5" pageNumber="387" phylum="Porifera" rank="species" species="umisachii" subGenus="Vomerula">
<emphasis id="B97367109C5BB23FFF0F6E0DFE869FE0" box="[163,328,633,657]" italics="true" pageId="5" pageNumber="387">H.(V.) umisachii</emphasis>
<bibRefCitation id="EF96C6F39C5BB23FFF0F6EE0FED39FBD" author="Ise, Y. &amp; Woo, S. P. &amp; Tan, S. H. &amp; Fujita, T." pageId="5" pageNumber="387" pagination="474 - 482" refId="ref9727" refString="Ise, Y., Woo, S. P., Tan, S. H. &amp; Fujita, T. (2019) First record of Hamacantha (Porifera, Demospongiae, Merliida, Hamacanthidae) from Japan, with description of two new species. Zootaxa, 4657 (3), 474 - 482. https: // doi. org / 10.11646 / zootaxa. 4657.3.3" type="journal article" year="2019">Ise, Woo, Tan &amp; Fujita, 2019</bibRefCitation>
</taxonomicName>
</th>
<td id="76E6D03C9C5B4DC5FECA6E0EFE2B9FBD" box="[358,485,633,716]" gridcol="1" gridrow="3" pageId="5" pageNumber="387">Japan</td>
<td id="76E6D03C9C5B4DC5FE516E0EFDAC9FBD" box="[509,610,633,716]" gridcol="2" gridrow="3" pageId="5" pageNumber="387">778682</td>
<td id="76E6D03C9C5B4DC5FDD06E0EFCEF9FBD" box="[636,801,633,716]" gridcol="3" gridrow="3" pageId="5" pageNumber="387">249358 x 812</td>
<td id="76E6D03C9C5B4DC5FC906E0EFC179FBD" box="[828,985,633,716]" gridcol="4" gridrow="3" pageId="5" pageNumber="387">158207 x 1116</td>
<td id="76E6D03C9C5B4DC5FC5F6E0EFB0E9FBD" box="[1011,1216,633,716]" gridcol="5" gridrow="3" pageId="5" pageNumber="387">4875 x 49</td>
<td id="76E6D03C9C5B4DC5FB756E0EFA5F9FBD" box="[1241,1425,633,716]" gridcol="6" gridrow="3" pageId="5" pageNumber="387">2936 x 2</td>
</tr>
<tr id="3537B9409C5B4DC5FF0F6F73FA5F9E26" box="[163,1425,772,855]" gridrow="4" pageId="5" pageNumber="387">
<th id="76E6D03C9C5B4DC5FF0F6F73FE869E26" box="[163,328,772,855]" gridcol="0" gridrow="4" pageId="5" pageNumber="387">
<taxonomicName id="4C07C0819C5BB23FFF0F6F72FE869E6C" authority="Ekins &amp; Baker &amp; Hooper, 2023" authorityName="Ekins &amp; Baker &amp; Hooper" authorityYear="2023" box="[163,328,773,797]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="5" pageNumber="387" phylum="Porifera" rank="species" species="novacula" status="sp. nov." subGenus="Vomerua">
<emphasis id="B97367109C5BB23FFF0F6F72FE869E6C" box="[163,328,773,797]" italics="true" pageId="5" pageNumber="387">H. (V.) novacula</emphasis>
</taxonomicName>
<emphasis id="B97367109C5BB23FFF0F6F55FF3D9E4B" bold="true" box="[163,243,802,826]" pageId="5" pageNumber="387">
<taxonomicNameLabel id="A240DA6B9C5BB23FFF0F6F55FF3D9E4B" box="[163,243,802,826]" pageId="5" pageNumber="387" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
QM G337915
</th>
<td id="76E6D03C9C5B4DC5FECA6F73FE2B9E26" box="[358,485,772,855]" gridcol="1" gridrow="4" pageId="5" pageNumber="387">Queensland, Australia</td>
<td id="76E6D03C9C5B4DC5FE516F73FDAC9E26" box="[509,610,772,855]" gridcol="2" gridrow="4" pageId="5" pageNumber="387">8801100</td>
<td id="76E6D03C9C5B4DC5FDD06F73FCEF9E26" box="[636,801,772,855]" gridcol="3" gridrow="4" pageId="5" pageNumber="387">394(459)548 x 6.0(8.7) 11.0, n=26</td>
<td id="76E6D03C9C5B4DC5FC906F73FC179E26" box="[828,985,772,855]" gridcol="4" gridrow="4" pageId="5" pageNumber="387">139(189)229 x 9.6(12.0) 15.6, n=31</td>
<td id="76E6D03C9C5B4DC5FC5F6F73FB0E9E26" box="[1011,1216,772,855]" gridcol="5" gridrow="4" pageId="5" pageNumber="387">47.4(63.4)84.6 x 3.5(5.3)7.8, n=30</td>
<td id="76E6D03C9C5B4DC5FB756F73FA5F9E26" box="[1241,1425,772,855]" gridcol="6" gridrow="4" pageId="5" pageNumber="387">20(26)30 x 1(1.25)1.5, n=5</td>
</tr>
<tr id="3537B9409C5B4DC5FF0F6FE7FA5F9971" box="[163,1425,912,1024]" gridrow="5" pageId="5" pageNumber="387">
<th id="76E6D03C9C5B4DC5FF0F6FE7FE869971" box="[163,328,912,1024]" gridcol="0" gridrow="5" pageId="5" pageNumber="387">
<taxonomicName id="4C07C0819C5BB23FFF0F6FE6FE869ED9" authority="Ekins &amp; Baker &amp; Hooper, 2023" authorityName="Ekins &amp; Baker &amp; Hooper" authorityYear="2023" box="[163,328,912,936]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="5" pageNumber="387" phylum="Porifera" rank="species" species="novacula" status="sp. nov." subGenus="Vomerua">
<emphasis id="B97367109C5BB23FFF0F6FE6FE869ED9" box="[163,328,912,936]" italics="true" pageId="5" pageNumber="387">H. (V.) novacula</emphasis>
</taxonomicName>
<emphasis id="B97367109C5BB23FFF0F6FDAFF3D9EB4" bold="true" box="[163,243,941,965]" pageId="5" pageNumber="387">
<taxonomicNameLabel id="A240DA6B9C5BB23FFF0F6FDAFF3D9EB4" box="[163,243,941,965]" pageId="5" pageNumber="387" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
QM G326453
</th>
<td id="76E6D03C9C5B4DC5FECA6FE7FE2B9971" box="[358,485,912,1024]" gridcol="1" gridrow="5" pageId="5" pageNumber="387">Tasmania, Australia</td>
<td id="76E6D03C9C5B4DC5FE516FE7FDAC9971" box="[509,610,912,1024]" gridcol="2" gridrow="5" pageId="5" pageNumber="387">8001000</td>
<td id="76E6D03C9C5B4DC5FDD06FE7FCEF9971" box="[636,801,912,1024]" gridcol="3" gridrow="5" pageId="5" pageNumber="387">350(404)466 x 6.9(9.0) 11.9, n=31</td>
<td id="76E6D03C9C5B4DC5FC906FE7FC179971" box="[828,985,912,1024]" gridcol="4" gridrow="5" pageId="5" pageNumber="387">189(206) 227, x 8.3 (10.3)14.1, n=25</td>
<td id="76E6D03C9C5B4DC5FC5F6FE7FB0E9971" box="[1011,1216,912,1024]" gridcol="5" gridrow="5" pageId="5" pageNumber="387">46.5(66.6)79.8 x 3.4(5.4)7.2, n=27</td>
<td id="76E6D03C9C5B4DC5FB756FE7FA5F9971" box="[1241,1425,912,1024]" gridcol="6" gridrow="5" pageId="5" pageNumber="387">25(31)39 x 0.9(1.2)1.5, n=25</td>
</tr>
<tr id="3537B9409C5B4DC5FF0F684FFA5F99FA" box="[163,1425,1080,1163]" gridrow="6" pageId="5" pageNumber="387">
<th id="76E6D03C9C5B4DC5FF0F684FFE8699FA" box="[163,328,1080,1163]" gridcol="0" gridrow="6" pageId="5" pageNumber="387">
<taxonomicName id="4C07C0819C5BB23FFF0F684EFE869921" authority="Ekins &amp; Baker &amp; Hooper, 2023" authorityName="Ekins &amp; Baker &amp; Hooper" authorityYear="2023" box="[163,328,1080,1104]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="5" pageNumber="387" phylum="Porifera" rank="species" species="novacula" status="sp. nov." subGenus="Vomerua">
<emphasis id="B97367109C5BB23FFF0F684EFE869921" box="[163,328,1080,1104]" italics="true" pageId="5" pageNumber="387">H. (V.) novacula</emphasis>
</taxonomicName>
<emphasis id="B97367109C5BB23FFF0F6821FF3D991F" bold="true" box="[163,243,1110,1134]" pageId="5" pageNumber="387">
<taxonomicNameLabel id="A240DA6B9C5BB23FFF0F6821FF3D991F" box="[163,243,1110,1134]" pageId="5" pageNumber="387" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
QM G324761
</th>
<td id="76E6D03C9C5B4DC5FECA684FFE2B99FA" box="[358,485,1080,1163]" gridcol="1" gridrow="6" pageId="5" pageNumber="387">Tasmania, Australia</td>
<td id="76E6D03C9C5B4DC5FE51684FFDAC99FA" box="[509,610,1080,1163]" gridcol="2" gridrow="6" pageId="5" pageNumber="387">8811154</td>
<td id="76E6D03C9C5B4DC5FDD0684FFCEF99FA" box="[636,801,1080,1163]" gridcol="3" gridrow="6" pageId="5" pageNumber="387">350(395)452 x 6.4(8.9) 11.7, n=30</td>
<td id="76E6D03C9C5B4DC5FC90684FFC1799FA" box="[828,985,1080,1163]" gridcol="4" gridrow="6" pageId="5" pageNumber="387">129(164)203 x 7.0(9.1) 11.0, n=29</td>
<td id="76E6D03C9C5B4DC5FC5F684FFB0E99FA" box="[1011,1216,1080,1163]" gridcol="5" gridrow="6" pageId="5" pageNumber="387">53.4(59.8)65.5 x 4.4(5.6)6.7, n=24</td>
<td id="76E6D03C9C5B4DC5FB75684FFA5F99FA" box="[1241,1425,1080,1163]" gridcol="6" gridrow="6" pageId="5" pageNumber="387">23(30)33 x 1.0(1.3)1.8, n=29</td>
</tr>
</table>
</paragraph>
<subSubSection id="C31DE8899C5BB23FFF6B6941FAA89821" box="[199,1382,1334,1361]" pageId="5" pageNumber="387" type="etymology">
<paragraph id="8BB8BB029C5BB23FFF6B6941FAA89821" blockId="5.[151,1437,1263,2034]" box="[199,1382,1334,1361]" pageId="5" pageNumber="387">
<emphasis id="B97367109C5BB23FFF6B6941FE869821" bold="true" box="[199,328,1334,1360]" pageId="5" pageNumber="387">Etymology</emphasis>
:
<taxonomicName id="4C07C0819C5BB23FFEFB6940FE109821" authorityName="Ekins &amp; Baker &amp; Hooper" authorityYear="2023" box="[343,478,1334,1361]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="5" pageNumber="387" phylum="Porifera" rank="species" species="novacula">L. novacula</taxonomicName>
, f. shaving knife, in reference to the extra sharp fimbriae of the large diancistras.
</paragraph>
</subSubSection>
<subSubSection id="C31DE8899C5BB23CFF6B692EFD889CF4" lastPageId="6" lastPageNumber="388" pageId="5" pageNumber="387" type="description">
<paragraph id="8BB8BB029C5BB23FFF6B692EFE6C9B1D" blockId="5.[151,1437,1263,2034]" pageId="5" pageNumber="387">
<emphasis id="B97367109C5BB23FFF6B692EFE9F9802" bold="true" box="[199,337,1369,1395]" pageId="5" pageNumber="387">Description</emphasis>
: The
<typeStatus id="54BC05A09C5BB23FFE30692EFE309802" box="[412,510,1369,1395]" pageId="5" pageNumber="387" type="holotype">holotype</typeStatus>
is a fragile, lace-like, encrusting sponge, attached to a rock (
<figureCitation id="133CA7879C5BB23FFB70692EFAF59805" box="[1244,1339,1369,1396]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="5" pageNumber="387">Fig. 3A</figureCitation>
). It was originally
<quantity id="4CFF16E79C5BB23FFEA6690AFE9698E9" box="[266,344,1405,1432]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" pageId="5" pageNumber="387" unit="mm" value="45.0">45 mm</quantity>
long,
<quantity id="4CFF16E79C5BB23FFE30690AFE2498E9" box="[412,490,1405,1432]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="5" pageNumber="387" unit="mm" value="25.0">25 mm</quantity>
wide and
<quantity id="4CFF16E79C5BB23FFDF7690AFD5598E9" box="[603,667,1405,1432]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="5" pageNumber="387" unit="mm" value="2.0">2 mm</quantity>
in height. It has a smooth velvety surface, with no remaining obvious oscules. The aquiferous are clearly visible through the transparent ectosome. The prevalent circular ostia form rows on the surface (
<figureCitation id="133CA7879C5BB23FFE2D69B3FE3198AF" box="[385,511,1476,1502]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="5" pageNumber="387">Figs. 3A,B</figureCitation>
). They are
<quantity id="4CFF16E79C5BB23FFDD069B3FD1C98AF" box="[636,722,1476,1502]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="5" pageNumber="387" unit="mm" value="0.3">0.3 mm</quantity>
in diameter, often with protective sharp tips from the styles and (
<figureCitation id="133CA7879C5BB23FFF336990FEEF9B73" box="[159,289,1511,1538]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="5" pageNumber="387">Fig. 3 B, C</figureCitation>
). The areas between the ostia are visible as semitransparent lines where the spicules are not clustered, giving the appearance of a suburban street network (
<figureCitation id="133CA7879C5BB23FFD706A7CFCFB9B54" box="[732,821,1547,1573]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="5" pageNumber="387">Fig. 3A</figureCitation>
). The sponge is white and translucent on deck and after preservation. The
<typeStatus id="54BC05A09C5BB23FFEC86A58FE0A9B38" box="[356,452,1583,1609]" pageId="5" pageNumber="387" type="paratype">paratype</typeStatus>
QM G326453 is also growing on a rock, but
<typeStatus id="54BC05A09C5BB23FFC616A58FBE39B38" box="[973,1069,1583,1609]" pageId="5" pageNumber="387" type="paratype">paratype</typeStatus>
QM G324761 is growing on on
<emphasis id="B97367109C5BB23FFF3B6A25FE6C9B1D" box="[151,418,1618,1644]" italics="true" pageId="5" pageNumber="387">
<taxonomicName id="4C07C0819C5BB23FFF3B6A25FE509B1D" authorityName="Duncan" authorityYear="1873" box="[151,414,1618,1644]" class="Anthozoa" family="Caryophylliidae" genus="Solenosmilia" kingdom="Animalia" order="Scleractinia" pageId="5" pageNumber="387" phylum="Cnidaria" rank="species" species="variabilis">Solenosmilia variabilis</taxonomicName>
.
</emphasis>
</paragraph>
<paragraph id="8BB8BB029C5BB23FFF6B6A02FAFF9A30" blockId="5.[151,1437,1263,2034]" pageId="5" pageNumber="387">
<emphasis id="B97367109C5BB23FFF6B6A02FEE39BFE" bold="true" box="[199,301,1653,1679]" pageId="5" pageNumber="387">Skeleton</emphasis>
: The ectosomal skeleton is composed of tangential styles, arranged in a multispicular reticulated pattern around the circular ostia. The supportive styles from the choanosome pass through the ectosomal layer to provide a protective perimeter around the ostia. The small diancistras (II) sometimes occur in the very thin (2 µm) ectosomal layer, where the randomly sparsely scattered styles occur between the ostia. The choanosomal skeleton consists of bundles of ascending twisting columns of styles supporting the ectosomal layer and penetrating through the ectosome to produce the hispid surface (
<figureCitation id="133CA7879C5BB23FFE4B6B50FDF09A30" box="[487,574,1831,1857]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="5" pageNumber="387">Fig. 3C</figureCitation>
). Both diancistras occur in these waisted twisted columns (
<figureCitation id="133CA7879C5BB23FFB616B50FAEA9A30" box="[1229,1316,1831,1857]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="5" pageNumber="387">Fig. 3C</figureCitation>
).
</paragraph>
<paragraph id="8BB8BB029C5BB23CFF6B6B3DFD889CF4" blockId="5.[151,1437,1263,2034]" lastBlockId="6.[151,1437,151,710]" lastPageId="6" lastPageNumber="388" pageId="5" pageNumber="387">
<emphasis id="B97367109C5BB23FFF6B6B3DFEE79A15" bold="true" box="[199,297,1866,1892]" pageId="5" pageNumber="387">Spicules</emphasis>
: The megascleres are styles, which are abundant, fusiform, straight, sharply pointed, and thickest in the centre (
<figureCitation id="133CA7879C5BB23FFE9A6B1AFE4B9AF9" box="[310,389,1901,1928]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="5" pageNumber="387">Fig. 3I</figureCitation>
). The blunt end is much narrower than the middle and has a rounded style end (see
<tableCitation id="C6858EB99C5BB23FFAE46B1AFA529AF9" box="[1352,1436,1901,1928]" captionStart="TABLE 1" captionStartId="5.[151,239,151,175]" captionTargetBox="[163,1425,264,1163]" captionText="TABLE 1. A comparison of location, depth and spicules between the original descriptions of H. (V.) acerata Lévi, 1993, H. (V.) umisachii Ise, Woo, Tan &amp; Fujita, 2019, and the recently collected Australian specimens of H. (V.) novacula sp. nov.. Measurements are Minimum-(Average)-Maximum of the spicules (μm)." httpUri="http://table.plazi.org/id/DF78EB8A9C5BB23FFF3B6CE0FC189D89" pageId="5" pageNumber="387" tableUuid="DF78EB8A9C5BB23FFF3B6CE0FC189D89">Table 1</tableCitation>
for measurements). The large diancistras (I) are common, twisted at about 70
<superScript id="7C72164A9C5BB23FFBB46BE6FBEE9AEE" attach="right" box="[1048,1056,1937,1951]" fontSize="6" pageId="5" pageNumber="387">o</superScript>
, the thin sharp fimbriae are very short on the inner shaft on a raised support. The fimbriae on the corresponding face of the hook is easily twice as long. Both faces have such an obvious sharp blade, with the appearance of a razor blade inserted into a razor blade holder (
<figureCitation id="133CA7879C58B23CFF426CE0FE879DC0" box="[238,329,151,177]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="6" pageNumber="388">Fig. 3D</figureCitation>
). The smaller diancistras (II) are also common, they have sharp opposing alae with a reverse barb, thus resembling a fishhook (
<figureCitation id="133CA7879C58B23CFE736CCDFDFF9DA5" box="[479,561,186,212]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="6" pageNumber="388">Fig 3F</figureCitation>
). An example of the reverse barb missing on some of the smaller diacistras was found on one of the specimens (QM G326453) (
<figureCitation id="133CA7879C58B23CFD476CAAFC889D89" box="[747,838,221,248]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="6" pageNumber="388">Fig. 3H</figureCitation>
). Rare examples were found of teeth on the smaller diancistras on one of the specimens (QM G324761) (
<figureCitation id="133CA7879C58B23CFD5D6D76FC829C6A" box="[753,844,257,283]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="6" pageNumber="388">Fig. 3G</figureCitation>
). The small diancistras only have a small shaft twist of approximately 15
<superScript id="7C72164A9C58B23CFE2F6D52FE459C42" attach="none" box="[387,395,293,307]" fontSize="6" pageId="6" pageNumber="388">o</superScript>
(
<figureCitation id="133CA7879C58B23CFE376D53FE3F9C4E" box="[411,497,292,319]" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="6" pageNumber="388">Fig. 3F</figureCitation>
). The sigmas are rare, thin and have a similar C shape to the small diancistras (
<figureCitation id="133CA7879C58B23CFAC36D53FF749C13" captionStart="FIGURE 3" captionStartId="4.[151,250,1909,1933]" captionTargetBox="[191,1396,181,1884]" captionTargetId="figure-20@4.[191,1396,181,1884]" captionTargetPageId="4" captionText="FIGURE 3. Hamacantha (Vomerua) novacula sp. nov. A. Holotype QM G337915 preserved specimen. B. Detail of the surface of QM G337915. C. Cross section showing the supportive styles in the choanosome penetrating through the ectosomal layer. D. Large diancistras (I). E. Sigmas. F. Smaller diancistras (II). G. Smaller diancistras (II) with rare teeth. H. Smaller diancistras (II) with reduced barbs. I. Style." figureDoi="http://doi.org/10.5281/zenodo.8166956" httpUri="https://zenodo.org/record/8166956/files/figure.png" pageId="6" pageNumber="388">Fig. 3E</figureCitation>
). One of the
<typeStatus id="54BC05A09C58B23CFEE76D3EFE789C12" box="[331,438,329,355]" pageId="6" pageNumber="388" type="paratype">paratypes</typeStatus>
(QM G324761) also had tylostyles and subtylostyles, but these could not be found in the section and are considered non-native.
</paragraph>
</subSubSection>
<subSubSection id="C31DE8899C58B23CFF6B6DF8FC949FB4" pageId="6" pageNumber="388" type="discussion">
<paragraph id="8BB8BB029C58B23CFF6B6DF8FC949FB4" blockId="6.[151,1437,151,710]" pageId="6" pageNumber="388">
<emphasis id="B97367109C58B23CFF6B6DF8FEFA9CD8" bold="true" box="[199,308,399,425]" pageId="6" pageNumber="388">Remarks</emphasis>
: The new species
<taxonomicName id="4C07C0819C58B23CFDA66DE7FD0B9CD8" authority="Ekins &amp; Baker &amp; Hooper, 2023" authorityName="Ekins &amp; Baker &amp; Hooper" authorityYear="2023" box="[522,709,399,425]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="novacula" status="sp. nov." subGenus="Vomerua">
<emphasis id="B97367109C58B23CFDA66DE7FD0B9CD8" box="[522,709,399,425]" italics="true" pageId="6" pageNumber="388">H. (V.) novacula</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A240DA6B9C58B23CFD616DF8FCE49CD8" box="[717,810,399,425]" pageId="6" pageNumber="388" rank="species">
<emphasis id="B97367109C58B23CFD616DF8FCEA9CD8" bold="true" box="[717,804,399,425]" pageId="6" pageNumber="388">sp. nov</emphasis>
.
</taxonomicNameLabel>
is very similar to the closely related species of
<taxonomicName id="4C07C0819C58B23CFAFD6DE7FF239CBD" authorityName="Levi" authorityYear="1993" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="acerata" subGenus="Vomerua">
<emphasis id="B97367109C58B23CFAFD6DE7FF239CBD" italics="true" pageId="6" pageNumber="388">H. (V.) acerata</emphasis>
</taxonomicName>
and
<emphasis id="B97367109C58B23CFE8E6DC4FE289CBD" box="[290,486,434,461]" italics="true" pageId="6" pageNumber="388">
<taxonomicName id="4C07C0819C58B23CFE8E6DC4FE2F9CBD" authorityName="Ise, Woo, Tan &amp; Fujita" authorityYear="2019" box="[290,481,434,461]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="umisachii" subGenus="Vomerula">H. (V.) umisachii</taxonomicName>
.
</emphasis>
It differs from these two species most obviously be the shape of the large diancistras. This is also the main difference between
<taxonomicName id="4C07C0819C58B23CFDC76DA0FCDD9C81" authorityName="Levi" authorityYear="1993" box="[619,787,470,496]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="acerata" subGenus="Vomerua">
<emphasis id="B97367109C58B23CFDC76DA0FCDD9C81" box="[619,787,470,496]" italics="true" pageId="6" pageNumber="388">H. (V.) acerata</emphasis>
</taxonomicName>
and
<taxonomicName id="4C07C0819C58B23CFCE06DA0FBC59C81" authorityName="Ise, Woo, Tan &amp; Fujita" authorityYear="2019" box="[844,1035,470,496]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="umisachii" subGenus="Vomerula">
<emphasis id="B97367109C58B23CFCE06DA0FBC59C81" box="[844,1035,470,496]" italics="true" pageId="6" pageNumber="388">H. (V.) umisachii</emphasis>
</taxonomicName>
. The shape and arrangement of the fimbriae is unique for the different species and consistent within the new species. The smaller diancistras (II) of the new species are similar in shape and the presence of a reverse barb is also similar to those of
<taxonomicName id="4C07C0819C58B23CFB0A6E69FA859F46" authorityName="Levi" authorityYear="1993" box="[1190,1355,541,567]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="acerata" subGenus="Vomerua">
<emphasis id="B97367109C58B23CFB0A6E69FA859F46" box="[1190,1355,541,567]" italics="true" pageId="6" pageNumber="388">H. (V.) acerata</emphasis>
</taxonomicName>
and
<emphasis id="B97367109C58B23CFA2D6E69FEF79F2B" italics="true" pageId="6" pageNumber="388">
<taxonomicName id="4C07C0819C58B23CFA2D6E69FEFB9F2B" authorityName="Ise, Woo, Tan &amp; Fujita" authorityYear="2019" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="umisachii" subGenus="Vomerula">H. (V.) umisachii</taxonomicName>
.
</emphasis>
The diancistras (II) of the new species are generally larger and lack the additional formations around the centre of the diancistras that usually occur in
<taxonomicName id="4C07C0819C58B23CFD166E13FCAE9F0C" authorityName="Levi" authorityYear="1993" box="[698,864,612,638]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="acerata" subGenus="Vomerua">
<emphasis id="B97367109C58B23CFD166E13FCAE9F0C" box="[698,864,612,638]" italics="true" pageId="6" pageNumber="388">H. (V.) acerata</emphasis>
</taxonomicName>
(
<figureCitation id="133CA7879C58B23CFCC26E13FC099F0F" box="[878,967,612,638]" captionStart="FIGURE 2" captionStartId="3.[151,250,1595,1619]" captionTargetBox="[151,1436,181,1572]" captionTargetId="figure-27@3.[151,1436,178,1572]" captionTargetPageId="3" captionText="FIGURE 2. Hamacantha (Vomerua) acerata Lévi, 1993. A. Holotype MNHN DCL 3594 preserved specimen. B. Large diancistras. C. Diancistras (II) (referred to as Sigmancistras by Lévi (1993) and cyrtancistra-like diancistra by Ise et al. (2019). D. Sigma. E. Style." figureDoi="http://doi.org/10.5281/zenodo.8166954" httpUri="https://zenodo.org/record/8166954/files/figure.png" pageId="6" pageNumber="388">Fig. 2C</figureCitation>
). The sigmas are larger in the new species and in
<taxonomicName id="4C07C0819C58B23CFF486EFFFE6F9FD0" authorityName="Ise, Woo, Tan &amp; Fujita" authorityYear="2019" box="[228,417,647,674]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="umisachii" subGenus="Vomerula">
<emphasis id="B97367109C58B23CFF486EFFFE6F9FD0" box="[228,417,647,674]" italics="true" pageId="6" pageNumber="388">H. (V.) umisachii</emphasis>
</taxonomicName>
compared to
<emphasis id="B97367109C58B23CFD976EFFFD279FD0" box="[571,745,648,674]" italics="true" pageId="6" pageNumber="388">
<taxonomicName id="4C07C0819C58B23CFD976EFFFD2B9FD0" authorityName="Levi" authorityYear="1993" box="[571,741,648,674]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="acerata" subGenus="Vomerua">H. (V.) acerata</taxonomicName>
.
</emphasis>
The styles in the new species are longer and more tapering at the tyle end than those of
<taxonomicName id="4C07C0819C58B23CFE146EDBFDB89FB4" authorityName="Ise, Woo, Tan &amp; Fujita" authorityYear="2019" box="[440,630,683,710]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="umisachii" subGenus="Vomerula">
<emphasis id="B97367109C58B23CFE146EDBFDB89FB4" box="[440,630,683,710]" italics="true" pageId="6" pageNumber="388">H. (V.) umisachii</emphasis>
</taxonomicName>
and
<emphasis id="B97367109C58B23CFD006EDBFC949FB4" box="[684,858,684,710]" italics="true" pageId="6" pageNumber="388">
<taxonomicName id="4C07C0819C58B23CFD006EDBFC9B9FB4" authorityName="Levi" authorityYear="1993" box="[684,853,684,710]" class="Demospongiae" family="Hamacanthidae" genus="Hamacantha" kingdom="Animalia" order="Merliida" pageId="6" pageNumber="388" phylum="Porifera" rank="species" species="acerata" subGenus="Vomerua">H. (V.) acerata</taxonomicName>
.
</emphasis>
</paragraph>
</subSubSection>
</treatment>
</document>