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<mods:title id="6CE25B1792ECCF422962C5C42F1F21B4">Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific</mods:title>
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<mods:affiliation id="1D9E8FE286CFEA05B915C1F82A539F52">GeoBio-Center, Ludwig-Maximilians-Universität M ¸ nchen, Richard-Wagner-Strasse 10, 80333 Munich, Germany &amp; Dept. of Earth and Environmental Sciences Ludwig-Maximilians-Universität M ¸ nchen, Richard-Wagner-Strasse 10, 80333 Munich, Germany &amp; SNSB - Bayerische Staatssammlung f ¸ r Paläontologie und Geologie, Richard-Wagner-Str. 10, 80333 M ¸ nchen, Germany woerheide @ lmu. de; https: // orcid. org / 0000 - 0002 - 6380 - 7421</mods:affiliation>
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<taxonomicName id="5A929DEFFF8EC03FFF63237B0D521458" authority="Ekins &amp; Erpenbeck &amp; Wörheide &amp; Hooper, 2023" authorityName="Ekins &amp; Erpenbeck &amp; Wörheide &amp; Hooper" authorityYear="2023" box="[151,337,1316,1343]" class="Demospongiae" family="Polymastiidae" genus="Radiella" kingdom="Animalia" order="Polymastiida" pageId="6" pageNumber="63" phylum="Porifera" rank="species" species="pumix" status="sp. nov.">
<emphasis id="AFE63A7EFF8EC03FFF63237B0D521458" bold="true" box="[151,337,1316,1343]" italics="true" pageId="6" pageNumber="63">Radiella pumix</emphasis>
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Ekins, Erpenbeck &amp; Hooper
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<paragraph id="9D2DE66CFF8EC03FFF6323330DE814E1" blockId="6.[151,972,1316,1415]" box="[151,491,1388,1415]" pageId="6" pageNumber="63">
<figureCitation id="05A9FAE9FF8EC03FFF6323330D0314E1" box="[151,256,1388,1415]" captionStart="FIGURE 1" captionStartId="3.[151,250,790,814]" captionTargetBox="[331,1256,179,765]" captionTargetId="figure-18@3.[331,1257,179,765]" captionTargetPageId="3" captionText="FIGURE 1. Distribution of the specimens of species described herein as they were collected during the expeditions." figureDoi="http://doi.org/10.5281/zenodo.10146839" httpUri="https://zenodo.org/record/10146839/files/figure.png" pageId="6" pageNumber="63">Figures 1</figureCitation>
,
<figureCitation id="05A9FAE9FF8EC03FFEFA23320D1F14E1" box="[270,284,1389,1415]" captionStart="FIGURE 2" captionStartId="4.[151,250,1649,1673]" captionTargetBox="[358,1230,192,1610]" captionTargetId="figure-33@4.[345,1243,179,1623]" captionTargetPageId="4" captionText="FIGURE 2. Maximum likelihood phylogenetic tree of polymastiid species reconstructed from 28S rDNA (C-region). Values&gt; 70 of the bootstrap support for the clades are indicated above the branches. Below branches in italics Bayesian inference posterior probabilities ≥ 0.95. The species sequenced in this studied are highlighted in boldface. Scalebar depicts substitutions /site." figureDoi="http://doi.org/10.5281/zenodo.10146841" httpUri="https://zenodo.org/record/10146841/files/figure.png" pageId="6" pageNumber="63">2</figureCitation>
&amp;
<figureCitation id="05A9FAE9FF8EC03FFEB423320D5314E1" box="[320,336,1389,1415]" captionStart="FIGURE 4" captionStartId="8.[151,250,150,174]" captionTargetId="figure-18@7.[179,1407,179,1917]" captionTargetPageId="7" captionText="FIGURE 4. Radiella pumix sp. nov. A. The holotype QM G337516 attached to pumice. B. Paratypes QM G339364, still attached to the pumice. C. Upper surface of paratype QM G337616 showing the central papilla. D. Closeup of the fringe of the paratype QM G337616, showing the bouquets of tylostyles. E. Composite SEM image of a cross section through the holotype QM G337516 showing the central papilla and the radial tylostyle skeleton. F. Large tylostyles involved in the brush formation and the fringe. G. Intermediate tylostyles from the choanosome. H. Small tylostyles from the choanosome." figureDoi="http://doi.org/10.5281/zenodo.10171862" httpUri="https://zenodo.org/record/10171862/files/figure.png" pageId="6" pageNumber="63">4</figureCitation>
,
<tableCitation id="D010D3D7FF8EC03FFEAF23330DBA14E1" box="[347,441,1388,1415]" captionStart="TABLE 2" captionStartId="8.[151,239,1158,1182]" captionTargetPageId="8" captionText="TABLE 2. Spicule measurements of Radiella pumix sp. nov. Minimum(mean)maximum of length and width in μm." httpUri="http://table.plazi.org/id/C9EDB6E4FF80C031FF6322D9098A15F9" pageId="6" pageNumber="63" tableUuid="C9EDB6E4FF80C031FF6322D9098A15F9">Tables 2</tableCitation>
&amp;
<tableCitation id="D010D3D7FF8EC03FFE2923320DE814E1" box="[477,491,1389,1415]" captionStart="TABLE 3" captionStartId="10.[144,232,502,528]" captionTargetPageId="10" captionText="TABLE 3. Comparison of characters between the different species of Radiella and Spinularia. (T=Tylostyles, S=Subtylostyles)." httpUri="http://table.plazi.org/id/C9EDB6E4FF82C033FF6427A909EC1376" pageId="6" pageNumber="63" tableUuid="C9EDB6E4FF82C033FF6427A909EC1376">3</tableCitation>
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<emphasis id="AFE63A7EFF8EC03FFF3223EE0D9314AF" box="[198,400,1457,1481]" italics="true" pageId="6" pageNumber="63">Radiella irregularis</emphasis>
<bibRefCitation id="F9039B9DFF8EC03FFE6223EE0E7E14AF" author="Ridley, S. O. &amp; Dendy, A." box="[406,637,1457,1481]" pageId="6" pageNumber="63" pagination="325 - 351" refId="ref19511" refString="Ridley, S. O. &amp; Dendy, A. (1886) Preliminary report on the Monaxonida collected by H. M. S. ' Challenger'. Part I. Annals and Magazine of Natural History, 18, 325 - 351 + 470 - 493. [https: // www. biodiversitylibrary. org / page / 15619238 # page / 339 / mode / 1 up]" type="journal article" year="1886">Ridley &amp; Dendy, 1886</bibRefCitation>
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,
<emphasis id="AFE63A7EFF8EC03FFD7323ED0EBC14AF" box="[647,703,1458,1481]" italics="true" pageId="6" pageNumber="63">sensu</emphasis>
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OHara
<emphasis id="AFE63A7EFF8EC03FFCEC23ED0F4F14AF" box="[792,844,1457,1481]" italics="true" pageId="6" pageNumber="63">et al.</emphasis>
2020: 4
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Type material:
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,
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<collectingCountry id="E585A6FCFF8EC03FFBF023A8086D1777" box="[1028,1134,1527,1553]" name="Australia" pageId="6" pageNumber="63">Australia</collectingCountry>
,
<geoCoordinate id="F8A680ABFF8EC03FFB8823A808E71774" box="[1148,1252,1527,1554]" degrees="28.6765" direction="south" orientation="latitude" pageId="6" pageNumber="63" precision="5" value="-28.6765">-28.6765</geoCoordinate>
,
<geoCoordinate id="F8A680ABFF8EC03FFB0623A8096A1774" box="[1266,1385,1527,1554]" degrees="154.20327" direction="east" orientation="longitude" pageId="6" pageNumber="63" precision="1" value="154.20328">154.20327</geoCoordinate>
to - 28.709, 154.1897, 2587
<quantity id="5A6A4B89FF8EC03FFE4D20440E161750" box="[441,533,1563,1590]" metricMagnitude="3" metricUnit="m" metricValue="2.562" pageId="6" pageNumber="63" unit="m" value="2562.0">
<elevation id="16BF015FFF8EC03FFE4D20440E161750" box="[441,533,1563,1590]" metricMagnitude="3" metricUnit="m" metricValue="2.562" pageId="6" pageNumber="63" unit="m" value="2562.0">2562 m</elevation>
</quantity>
,
<collectorName id="306783BAFF8EC03FFDD220430EBB1753" box="[550,696,1563,1590]" pageId="6" pageNumber="63">Beam Trawl</collectorName>
,
<collectorName id="306783BAFF8EC03FFD3C20440FB21753" box="[712,945,1563,1589]" pageId="6" pageNumber="63">Coll. Merrick Ekins</collectorName>
on
<collectionCode id="FB837EA9FF8EC03FFC11204308051753" box="[997,1030,1564,1589]" country="Italy" name="Collection of Leptospira Strains" pageId="6" pageNumber="63">
<emphasis id="AFE63A7EFF8EC03FFC11204308051753" box="[997,1030,1564,1589]" italics="true" pageId="6" pageNumber="63">RV</emphasis>
</collectionCode>
<emphasis id="AFE63A7EFF8EC03FFBE62043089A1753" box="[1042,1177,1564,1589]" italics="true" pageId="6" pageNumber="63">Investigator</emphasis>
, Cruise IN2017_
<specimenCode id="CD344E17FF8EC03FFA9C2044099B1753" box="[1384,1432,1563,1589]" collectionCode="V" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="6" pageNumber="63" type="Museum">V03</specimenCode>
,
<collectorName id="306783BAFF8EC03FFF6320600CE8173F" box="[151,235,1599,1625]" pageId="6" pageNumber="63">Sample</collectorName>
90-202,
<date id="E92CC0ACFF8EC03FFEA420600DC5173F" box="[336,454,1599,1625]" pageId="6" pageNumber="63" value="2017-06-07">
<collectingDate id="F9683944FF8EC03FFEA420600DC5173F" box="[336,454,1599,1625]" pageId="6" pageNumber="63" value="2017-06-07">7/VI/2017</collectingDate>
</date>
.
</materialsCitation>
</paragraph>
<paragraph id="9D2DE66CFF8EC03FFF33203B0D0017A3" blockId="6.[151,1437,1527,2022]" pageId="6" pageNumber="63">
<materialsCitation id="2DFAEC31FF8EC03FFF33203B0F2A1718" box="[199,809,1635,1662]" collectionCode="QM" pageId="6" pageNumber="63" specimenCode="G337515" specimenCount="1" typeStatus="paratype">
<typeStatus id="422958CEFF8EC03FFF33203B0D3B1718" box="[199,312,1636,1662]" pageId="6" pageNumber="63" type="paratype">Paratypes</typeStatus>
:
<collectionCode id="FB837EA9FF8EC03FFEBD203C0D75171B" box="[329,374,1635,1661]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">QM</collectionCode>
<specimenCode id="CD344E17FF8EC03FFE77203C0DE81718" box="[387,491,1635,1662]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">G337515</specimenCode>
same collection details as
</materialsCitation>
<materialsCitation id="2DFAEC31FF8EC03FFCC2203C08A2171B" box="[822,1185,1635,1662]" collectionCode="QM" pageId="6" pageNumber="63" specimenCode="G337516" specimenCount="1" typeStatus="paratype">
<collectionCode id="FB837EA9FF8EC03FFCC2203C0F60171B" box="[822,867,1635,1661]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">QM</collectionCode>
<specimenCode id="CD344E17FF8EC03FFC85203C0FDF1718" box="[881,988,1635,1662]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">G337516</specimenCode>
, Sample 90-180
</materialsCitation>
;
<materialsCitation id="2DFAEC31FF8EC03FFB47203C0D7017C4" collectionCode="QM" pageId="6" pageNumber="63" specimenCode="G337616" specimenCount="1" typeStatus="paratype">
<collectionCode id="FB837EA9FF8EC03FFB47203C08E3171B" box="[1203,1248,1635,1661]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">QM</collectionCode>
<specimenCode id="CD344E17FF8EC03FFB19203C0955171B" box="[1261,1366,1635,1661]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">G337616</specimenCode>
same collection details as
</materialsCitation>
<materialsCitation id="2DFAEC31FF8EC03FFE8D20D80ED317C7" box="[377,720,1671,1698]" collectionCode="QM" pageId="6" pageNumber="63" specimenCode="G337516" specimenCount="1" typeStatus="paratype">
<collectionCode id="FB837EA9FF8EC03FFE8D20D80DA517C7" box="[377,422,1671,1697]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">QM</collectionCode>
<specimenCode id="CD344E17FF8EC03FFE5920D80E1B17C4" box="[429,536,1671,1698]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">G337516</specimenCode>
, Sample 90-169
</materialsCitation>
;
<materialsCitation id="2DFAEC31FF8EC03FFD2F20D8089B17C4" box="[731,1176,1671,1698]" collectionCode="QM" pageId="6" pageNumber="63" specimenCode="G339368" specimenCount="1" typeStatus="paratype">
<collectionCode id="FB837EA9FF8EC03FFD2F20D80F0B17C7" box="[731,776,1671,1697]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">QM</collectionCode>
<specimenCode id="CD344E17FF8EC03FFCFA20D80F7417C7" box="[782,887,1671,1697]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">G339368</specimenCode>
same collection details as
</materialsCitation>
<materialsCitation id="2DFAEC31FF8EC03FFB6B20D80CFC17A3" collectionCode="QM" pageId="6" pageNumber="63" specimenCode="G337516" specimenCount="1" typeStatus="paratype">
<collectionCode id="FB837EA9FF8EC03FFB6B20D808CF17C7" box="[1183,1228,1671,1697]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">QM</collectionCode>
<specimenCode id="CD344E17FF8EC03FFB2720D8093D17C4" box="[1235,1342,1671,1698]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">G337516</specimenCode>
, Sample 90-169.3
</materialsCitation>
.
</paragraph>
<paragraph id="9D2DE66CFF8EC03FFF3320900F41178F" blockId="6.[151,1437,1527,2022]" box="[199,834,1743,1770]" pageId="6" pageNumber="63">
Etymology: named for its substratum,
<taxonomicName id="5A929DEFFF8EC03FFD82208F0EB9178F" authorityName="Ekins &amp; Erpenbeck &amp; Wörheide &amp; Hooper" authorityYear="2023" box="[630,698,1744,1769]" class="Demospongiae" family="Polymastiidae" genus="Radiella" kingdom="Animalia" order="Polymastiida" pageId="6" pageNumber="63" phylum="Porifera" rank="species" species="pumix">
<emphasis id="AFE63A7EFF8EC03FFD82208F0EB9178F" box="[630,698,1744,1769]" italics="true" pageId="6" pageNumber="63">pumix</emphasis>
</taxonomicName>
L., pumice.
</paragraph>
<paragraph id="9D2DE66CFF8EC03FFF3320AC0E991654" blockId="6.[151,1437,1527,2022]" pageId="6" pageNumber="63">
Diagnosis:
<taxonomicName id="5A929DEFFF8EC03FFEB220AC0DFF166B" box="[326,508,1779,1805]" pageId="6" pageNumber="63">
<emphasis id="AFE63A7EFF8EC03FFEB220AC0DA6166B" box="[326,421,1779,1805]" italics="true" pageId="6" pageNumber="63">Radiella</emphasis>
species
</taxonomicName>
attached to pumice, lacking an obvious fringe, but expands by having new discrete hemispherical bouquets outside the ectosome.
</paragraph>
<paragraph id="9D2DE66CFF8EC03FFF3321640FC71683" blockId="6.[151,1437,1527,2022]" pageId="6" pageNumber="63">
Morphology: A convex cream coloured sponge attached to drowned pumice stone (
<figureCitation id="05A9FAE9FF8EC03FFB87216408F01633" box="[1139,1267,1851,1877]" captionStart="FIGURE 4" captionStartId="8.[151,250,150,174]" captionTargetId="figure-18@7.[179,1407,179,1917]" captionTargetPageId="7" captionText="FIGURE 4. Radiella pumix sp. nov. A. The holotype QM G337516 attached to pumice. B. Paratypes QM G339364, still attached to the pumice. C. Upper surface of paratype QM G337616 showing the central papilla. D. Closeup of the fringe of the paratype QM G337616, showing the bouquets of tylostyles. E. Composite SEM image of a cross section through the holotype QM G337516 showing the central papilla and the radial tylostyle skeleton. F. Large tylostyles involved in the brush formation and the fringe. G. Intermediate tylostyles from the choanosome. H. Small tylostyles from the choanosome." figureDoi="http://doi.org/10.5281/zenodo.10171862" httpUri="https://zenodo.org/record/10171862/files/figure.png" pageId="6" pageNumber="63">Fig. 4 A, B</figureCitation>
). The
<typeStatus id="422958CEFF8EC03FFACE2164099F1633" box="[1338,1436,1851,1877]" pageId="6" pageNumber="63" type="holotype">holotype</typeStatus>
<collectionCode id="FB837EA9FF8EC03FFF6321000CC7161F" box="[151,196,1887,1913]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">QM</collectionCode>
<specimenCode id="CD344E17FF8EC03FFF3821000D34161C" box="[204,311,1887,1914]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">G337516</specimenCode>
, is
<quantity id="5A6A4B89FF8EC03FFEA821000DB0161C" box="[348,435,1887,1914]" metricMagnitude="-3" metricUnit="m" metricValue="8.3" pageId="6" pageNumber="63" unit="mm" value="8.3">8.3 mm</quantity>
in diameter, and
<quantity id="5A6A4B89FF8EC03FFD8221000ECE161C" box="[630,717,1887,1914]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="6" pageNumber="63" unit="mm" value="1.2">1.2 mm</quantity>
in height. The
<typeStatus id="422958CEFF8EC03FFC8C213F0FDB161C" box="[888,984,1888,1914]" pageId="6" pageNumber="63" type="paratype">paratype</typeStatus>
<collectionCode id="FB837EA9FF8EC03FFC2B2100080F161F" box="[991,1036,1887,1913]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">QM</collectionCode>
<specimenCode id="CD344E17FF8EC03FFBE02100087C161F" box="[1044,1151,1887,1913]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">G337616</specimenCode>
, is
<quantity id="5A6A4B89FF8EC03FFB51210008E5161C" box="[1189,1254,1887,1914]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="6" pageNumber="63" unit="mm" value="6.0">6 mm</quantity>
in diameter and only
<quantity id="5A6A4B89FF8EC03FFF2621DC0D3B16F8" box="[210,312,1923,1950]" metricMagnitude="-4" metricUnit="m" metricValue="8.299999999999999" pageId="6" pageNumber="63" unit="mm" value="0.83">0.83 mm</quantity>
in height, whilst
<typeStatus id="422958CEFF8EC03FFDF721DB0E6516F8" box="[515,614,1924,1950]" pageId="6" pageNumber="63" type="paratype">paratype</typeStatus>
,
<collectionCode id="FB837EA9FF8EC03FFD8021DC0EA216FB" box="[628,673,1923,1949]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">QM</collectionCode>
<specimenCode id="CD344E17FF8EC03FFD5E21DC0F1216F8" box="[682,785,1923,1950]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="6" pageNumber="63" type="Museum">G337515</specimenCode>
is
<quantity id="5A6A4B89FF8EC03FFCC321DC0F8C16F8" box="[823,911,1923,1950]" metricMagnitude="-3" metricUnit="m" metricValue="5.8" pageId="6" pageNumber="63" unit="mm" value="5.8">5.8 mm</quantity>
in diameter and
<quantity id="5A6A4B89FF8EC03FFBA721DC08A816F8" box="[1107,1195,1923,1950]" metricMagnitude="-3" metricUnit="m" metricValue="1.4" pageId="6" pageNumber="63" unit="mm" value="1.4">1.4 mm</quantity>
in height. The upper surface is hispid, and the sponge lacks an obvious fringe (
<figureCitation id="05A9FAE9FF8EC03FFCE821F80F5D16A7" box="[796,862,1959,1985]" captionStart="FIGURE 4" captionStartId="8.[151,250,150,174]" captionTargetId="figure-18@7.[179,1407,179,1917]" captionTargetPageId="7" captionText="FIGURE 4. Radiella pumix sp. nov. A. The holotype QM G337516 attached to pumice. B. Paratypes QM G339364, still attached to the pumice. C. Upper surface of paratype QM G337616 showing the central papilla. D. Closeup of the fringe of the paratype QM G337616, showing the bouquets of tylostyles. E. Composite SEM image of a cross section through the holotype QM G337516 showing the central papilla and the radial tylostyle skeleton. F. Large tylostyles involved in the brush formation and the fringe. G. Intermediate tylostyles from the choanosome. H. Small tylostyles from the choanosome." figureDoi="http://doi.org/10.5281/zenodo.10171862" httpUri="https://zenodo.org/record/10171862/files/figure.png" pageId="6" pageNumber="63">Fig. 4</figureCitation>
C-E). The
<typeStatus id="422958CEFF8EC03FFC2F21F8083E16A7" box="[987,1085,1959,1985]" pageId="6" pageNumber="63" type="holotype">holotype</typeStatus>
has a single central papilla, the papillae could not be obviously seen on most of the
<typeStatus id="422958CEFF8EC03FFD2A21930F4A1680" box="[734,841,1996,2022]" pageId="6" pageNumber="63" type="paratype">paratypes</typeStatus>
(
<figureCitation id="05A9FAE9FF8EC03FFCAD21940FB41683" box="[857,951,1995,2021]" captionStart="FIGURE 4" captionStartId="8.[151,250,150,174]" captionTargetId="figure-18@7.[179,1407,179,1917]" captionTargetPageId="7" captionText="FIGURE 4. Radiella pumix sp. nov. A. The holotype QM G337516 attached to pumice. B. Paratypes QM G339364, still attached to the pumice. C. Upper surface of paratype QM G337616 showing the central papilla. D. Closeup of the fringe of the paratype QM G337616, showing the bouquets of tylostyles. E. Composite SEM image of a cross section through the holotype QM G337516 showing the central papilla and the radial tylostyle skeleton. F. Large tylostyles involved in the brush formation and the fringe. G. Intermediate tylostyles from the choanosome. H. Small tylostyles from the choanosome." figureDoi="http://doi.org/10.5281/zenodo.10171862" httpUri="https://zenodo.org/record/10171862/files/figure.png" pageId="6" pageNumber="63">Fig. 4 E</figureCitation>
).
</paragraph>
<caption id="C9EDB6E4FF80C031FF6326C908D31059" ID-DOI="http://doi.org/10.5281/zenodo.10171862" ID-Zenodo-Dep="10171862" httpUri="https://zenodo.org/record/10171862/files/figure.png" pageId="8" pageNumber="65" startId="8.[151,250,150,174]" targetBox="[179,1407,179,1917]" targetPageId="7" targetType="figure">
<paragraph id="9D2DE66CFF80C031FF6326C908D31059" blockId="8.[151,1437,150,319]" pageId="8" pageNumber="65">
<emphasis id="AFE63A7EFF80C031FF6326C90D1511C8" bold="true" box="[151,278,150,174]" pageId="8" pageNumber="65">FIGURE 4.</emphasis>
<taxonomicName id="5A929DEFFF80C031FED426C80DBE11C8" authority="Ekins &amp; Erpenbeck &amp; Wörheide &amp; Hooper, 2023" authorityName="Ekins &amp; Erpenbeck &amp; Wörheide &amp; Hooper" authorityYear="2023" box="[288,445,151,175]" class="Demospongiae" family="Polymastiidae" genus="Radiella" kingdom="Animalia" order="Polymastiida" pageId="8" pageNumber="65" phylum="Porifera" rank="species" species="pumix" status="sp. nov.">
<emphasis id="AFE63A7EFF80C031FED426C80DBE11C8" box="[288,445,151,175]" italics="true" pageId="8" pageNumber="65">Radiella pumix</emphasis>
</taxonomicName>
<taxonomicNameLabel id="B4D58705FF80C031FE3326C80E1F11C8" box="[455,540,151,175]" pageId="8" pageNumber="65" rank="species">
<emphasis id="AFE63A7EFF80C031FE3326C80E1611C9" bold="true" box="[455,533,151,175]" pageId="8" pageNumber="65">sp. nov</emphasis>
.
</taxonomicNameLabel>
A. The holotype QM G337516 attached to pumice. B. Paratypes QM G339364, still attached to the pumice. C. Upper surface of paratype QM G337616 showing the central papilla. D. Closeup of the fringe of the paratype QM G337616, showing the bouquets of tylostyles. E. Composite SEM image of a cross section through the holotype QM G337516 showing the central papilla and the radial tylostyle skeleton. F. Large tylostyles involved in the brush formation and the fringe. G. Intermediate tylostyles from the choanosome. H. Small tylostyles from the choanosome.
</paragraph>
</caption>
<paragraph id="9D2DE66CFF80C031FF3327320F891371" blockId="8.[151,1444,365,1111]" pageId="8" pageNumber="65">
Skeleton: The choanosomal skeleton is composed of confusedly arranged small tylostyles (
<figureCitation id="05A9FAE9FF80C031FB062732095A10E1" box="[1266,1369,365,391]" captionStart="FIGURE 4" captionStartId="8.[151,250,150,174]" captionTargetId="figure-18@7.[179,1407,179,1917]" captionTargetPageId="7" captionText="FIGURE 4. Radiella pumix sp. nov. A. The holotype QM G337516 attached to pumice. B. Paratypes QM G339364, still attached to the pumice. C. Upper surface of paratype QM G337616 showing the central papilla. D. Closeup of the fringe of the paratype QM G337616, showing the bouquets of tylostyles. E. Composite SEM image of a cross section through the holotype QM G337516 showing the central papilla and the radial tylostyle skeleton. F. Large tylostyles involved in the brush formation and the fringe. G. Intermediate tylostyles from the choanosome. H. Small tylostyles from the choanosome." figureDoi="http://doi.org/10.5281/zenodo.10171862" httpUri="https://zenodo.org/record/10171862/files/figure.png" pageId="8" pageNumber="65">Fig. 4 E</figureCitation>
). The ectosome consists of bouquets of the large principal tylostyles, many of which originate from the choanosome. These bouquets of the principal tylostyles also line the central oscular canal. The ectosome and the periphery of the specimen are characterised by the appearance of discrete bouquets (
<figureCitation id="05A9FAE9FF80C031FC7C2786080A1095" box="[904,1033,473,499]" captionStart="FIGURE 4" captionStartId="8.[151,250,150,174]" captionTargetId="figure-18@7.[179,1407,179,1917]" captionTargetPageId="7" captionText="FIGURE 4. Radiella pumix sp. nov. A. The holotype QM G337516 attached to pumice. B. Paratypes QM G339364, still attached to the pumice. C. Upper surface of paratype QM G337616 showing the central papilla. D. Closeup of the fringe of the paratype QM G337616, showing the bouquets of tylostyles. E. Composite SEM image of a cross section through the holotype QM G337516 showing the central papilla and the radial tylostyle skeleton. F. Large tylostyles involved in the brush formation and the fringe. G. Intermediate tylostyles from the choanosome. H. Small tylostyles from the choanosome." figureDoi="http://doi.org/10.5281/zenodo.10171862" httpUri="https://zenodo.org/record/10171862/files/figure.png" pageId="8" pageNumber="65">Fig. 4 C, D</figureCitation>
). In some cases, the bouquets on the surface appear as spheres giving the surface a papillate appearance.
</paragraph>
<paragraph id="9D2DE66CFF80C031FF33247E0DF813C1" blockId="8.[151,1444,365,1111]" pageId="8" pageNumber="65">
Spicules: The principal tylostyles vary greatly in length and may be possibly divided into two size categories with large overlapping sizes (6402270 × 719 μm) (
<tableCitation id="D010D3D7FF80C031FD03241A0F411339" box="[759,834,581,607]" captionStart="TABLE 2" captionStartId="8.[151,239,1158,1182]" captionTargetPageId="8" captionText="TABLE 2. Spicule measurements of Radiella pumix sp. nov. Minimum(mean)maximum of length and width in μm." httpUri="http://table.plazi.org/id/C9EDB6E4FF80C031FF6322D9098A15F9" pageId="8" pageNumber="65" tableUuid="C9EDB6E4FF80C031FF6322D9098A15F9">Tab. 2</tableCitation>
). There are smaller tylostyles arranged in disorder in the choanosome (100300 × 315 μm) and intermediate tylostyles (339660 × 513 μm) composing the bouquets of the main ectosomal skeleton.
</paragraph>
<paragraph id="9D2DE66CFF80C031FF3324EE0FB213AD" blockId="8.[151,1444,365,1111]" box="[199,945,689,715]" pageId="8" pageNumber="65">
Distribution: Northern
<collectingRegion id="5F56288EFF80C031FE3D24EE0E9713AD" box="[457,660,689,715]" country="Australia" name="New South Wales" pageId="8" pageNumber="65">New South Wales</collectingRegion>
,
<collectingCountry id="E585A6FCFF80C031FD6924EE0F0413AD" box="[669,775,689,715]" name="Australia" pageId="8" pageNumber="65">Australia</collectingCountry>
, abyssal depth.
</paragraph>
<paragraph id="9D2DE66CFF80C031FF33248A0F571389" blockId="8.[151,1444,365,1111]" box="[199,852,725,751]" pageId="8" pageNumber="65">Ecology: Found exclusively on submerged pumice stones.</paragraph>
<paragraph id="9D2DE66CFF80C031FF3324A6091B1251" blockId="8.[151,1444,365,1111]" pageId="8" pageNumber="65">
<materialsCitation id="2DFAEC31FF80C031FF3324A609341275" box="[199,1335,761,788]" collectionCode="QM" pageId="8" pageNumber="65" specimenCode="G337516, G337616" specimenCount="2" typeStatus="holotype">
Molecular data: 28S-C region barcode of
<typeStatus id="422958CEFF80C031FD7924A60EEC1275" box="[653,751,761,787]" pageId="8" pageNumber="65" type="holotype">holotype</typeStatus>
<collectionCode id="FB837EA9FF80C031FD0024A60F221275" box="[756,801,761,787]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="8" pageNumber="65" type="Museum">QM</collectionCode>
<specimenCode id="CD344E17FF80C031FCD224A60F8C1272" box="[806,911,761,788]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="8" pageNumber="65" type="Museum">G337516</specimenCode>
(ENA Accession number OY741336),
</materialsCitation>
<materialsCitation id="2DFAEC31FF80C031FAC824A609161251" collectionCode="QM" pageId="8" pageNumber="65" specimenCode="G337516, G337616" specimenCount="2" typeStatus="holotype">
<typeStatus id="422958CEFF80C031FAC824A6099F1275" box="[1340,1436,761,787]" pageId="8" pageNumber="65" type="paratype">paratype</typeStatus>
<collectionCode id="FB837EA9FF80C031FF6325420CC71251" box="[151,196,797,823]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="8" pageNumber="65" type="Museum">QM</collectionCode>
<specimenCode id="CD344E17FF80C031FF3F25420D371251" box="[203,308,797,823]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="8" pageNumber="65" type="Museum">G337616</specimenCode>
(ENA Accession number OY741340), forming a distinct and supported clade (
<figureCitation id="05A9FAE9FF80C031FB5C254209081251" box="[1192,1291,797,823]" captionStart="FIGURE 2" captionStartId="4.[151,250,1649,1673]" captionTargetBox="[358,1230,192,1610]" captionTargetId="figure-33@4.[345,1243,179,1623]" captionTargetPageId="4" captionText="FIGURE 2. Maximum likelihood phylogenetic tree of polymastiid species reconstructed from 28S rDNA (C-region). Values&gt; 70 of the bootstrap support for the clades are indicated above the branches. Below branches in italics Bayesian inference posterior probabilities ≥ 0.95. The species sequenced in this studied are highlighted in boldface. Scalebar depicts substitutions /site." figureDoi="http://doi.org/10.5281/zenodo.10146841" httpUri="https://zenodo.org/record/10146841/files/figure.png" pageId="8" pageNumber="65">Figure 2</figureCitation>
)
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.
</paragraph>
<paragraph id="9D2DE66CFF80C031FF33251E0FA11531" blockId="8.[151,1444,365,1111]" pageId="8" pageNumber="65">
Remarks: The new species resembles
<taxonomicName id="5A929DEFFF80C031FD9C251E0FC1123D" authority="Levi, 1993" authorityName="Levi" authorityYear="1993" box="[616,962,833,859]" class="Demospongiae" family="Polymastiidae" genus="Spinularia" kingdom="Animalia" order="Polymastiida" pageId="8" pageNumber="65" phylum="Porifera" rank="species" species="australis">
<emphasis id="AFE63A7EFF80C031FD9C251E0F46123D" box="[616,837,833,859]" italics="true" pageId="8" pageNumber="65">Spinularia australis</emphasis>
<bibRefCitation id="F9039B9DFF80C031FCBF251E0FC1123D" author="Levi, C." box="[843,962,833,859]" pageId="8" pageNumber="65" pagination="9 - 87" refId="ref18544" refString="Levi, C. (1993) Porifera Demospongiae: Bathyal sponges of New Caledonia, collected by the ' Jean Charcot' BIOCAL campaign, 1985. In: Crosnier, A. (Ed.), Results of the MUSORSTOM campaigns. Vol. 11. Memoires du Museum national de l'Histoire naturelle (AT), 158, pp. 9 - 87. [https: // www. biodiversitylibrary. org / page / 58753255 # page / 11 / mode / 1 up]" type="journal article" year="1993">Lévi, 1993</bibRefCitation>
</taxonomicName>
from bathyal depths off
<collectingCountry id="E585A6FCFF80C031FB3B251E0978123D" box="[1231,1403,833,859]" name="New Caledonia" pageId="8" pageNumber="65">New Caledonia</collectingCountry>
by the body shape and size and the substrate it grows on, the pumice stones. The individuals of
<taxonomicName id="5A929DEFFF80C031FB6F253A091A1219" authorityName="Levi" authorityYear="1993" box="[1179,1305,869,895]" class="Demospongiae" family="Polymastiidae" genus="Spinularia" kingdom="Animalia" order="Polymastiida" pageId="8" pageNumber="65" phylum="Porifera" rank="species" species="australis">
<emphasis id="AFE63A7EFF80C031FB6F253A091A1219" box="[1179,1305,869,895]" italics="true" pageId="8" pageNumber="65">S. australis</emphasis>
</taxonomicName>
are slightly larger in diameter,
<quantity id="5A6A4B89FF80C031FE8525D60DF812C5" box="[369,507,905,931]" metricMagnitude="-3" metricUnit="m" metricValue="9.5" metricValueMax="12.0" metricValueMin="7.0" pageId="8" pageNumber="65" unit="mm" value="9.5" valueMax="12.0" valueMin="7.0">7 to 12 mm</quantity>
, but similar in height,
<quantity id="5A6A4B89FF80C031FCF725D60FAA12C5" box="[771,937,905,931]" metricMagnitude="-3" metricUnit="m" metricValue="2.55" metricValueMax="3.7" metricValueMin="1.4" pageId="8" pageNumber="65" unit="mm" value="2.55" valueMax="3.7" valueMin="1.4">1.4 to 3.7 mm</quantity>
. However, our new cream-coloured species differs from
<taxonomicName id="5A929DEFFF80C031FED725F20DA312A1" authorityName="Levi" authorityYear="1993" box="[291,416,941,967]" class="Demospongiae" family="Polymastiidae" genus="Spinularia" kingdom="Animalia" order="Polymastiida" pageId="8" pageNumber="65" phylum="Porifera" rank="species" species="australis">
<emphasis id="AFE63A7EFF80C031FED725F20DA312A1" box="[291,416,941,967]" italics="true" pageId="8" pageNumber="65">S. australis</emphasis>
</taxonomicName>
by lacking the lower fringe and associated large tylostyles, with the largest difference being the ectosomal skeleton with many independent small plumose bouquets which is the most distinctive character of this new species. The new species also lacks the radial skeleton seen in
<taxonomicName id="5A929DEFFF80C031FC3425AA083C1569" authorityName="Levi" authorityYear="1993" box="[960,1087,1013,1039]" class="Demospongiae" family="Polymastiidae" genus="Spinularia" kingdom="Animalia" order="Polymastiida" pageId="8" pageNumber="65" phylum="Porifera" rank="species" species="australis">
<emphasis id="AFE63A7EFF80C031FC3425AA083C1569" box="[960,1087,1013,1039]" italics="true" pageId="8" pageNumber="65">S. australis</emphasis>
</taxonomicName>
, and it also differs importantly from
<taxonomicName id="5A929DEFFF80C031FF2122460D501555" authorityName="Levi" authorityYear="1993" box="[213,339,1049,1075]" class="Demospongiae" family="Polymastiidae" genus="Spinularia" kingdom="Animalia" order="Polymastiida" pageId="8" pageNumber="65" phylum="Porifera" rank="species" species="australis">
<emphasis id="AFE63A7EFF80C031FF2122460D501555" box="[213,339,1049,1075]" italics="true" pageId="8" pageNumber="65">S. australis</emphasis>
</taxonomicName>
by having a new category of much smaller tylostyles and it also lacks raphides. These specimens were previously listed as
<taxonomicName id="5A929DEFFF80C031FE4022620E911531" authorityName="Ridley &amp; Dendy" authorityYear="1886" box="[436,658,1085,1111]" class="Demospongiae" family="Polymastiidae" genus="Radiella" kingdom="Animalia" order="Polymastiida" pageId="8" pageNumber="65" phylum="Porifera" rank="species" species="irregularis">
<emphasis id="AFE63A7EFF80C031FE4022620E911531" box="[436,658,1085,1111]" italics="true" pageId="8" pageNumber="65">Radiella irregularis</emphasis>
</taxonomicName>
in
<bibRefCitation id="F9039B9DFF80C031FD4222620F9D1531" author="O'Hara, T. D. &amp; Williams, A. &amp; Ahyong, S. T. &amp; Alderslade, P. &amp; Alvestad, T. &amp; Bray, D. &amp; Burghardt, I. &amp; Budaeva, N. &amp; Criscione, F. &amp; Crowther, A. L. &amp; Ekins, M. &amp; Eleaume, M. &amp; Farrelly, C. A. &amp; Finn, J. K. &amp; Georgieva, M. N. &amp; Graham, A. &amp; Gomon, M. &amp; Gowlett-Holmes, K. &amp; Gunton, L. M. &amp; Hallan, A &amp; Hosie, A. M. &amp; Hutchings, P. &amp; Kise, H. &amp; Konsgrud, J. A. &amp; Kupriyanova, E. &amp; Lu, C. C. &amp; Mackenzie, M. &amp; Mah, C. &amp; MacIntosh, H. &amp; Merrin, K. L. &amp; Miskelly, A. &amp; Mitchell, M. L. &amp; Moore, K. &amp; Murray, A. &amp; O'Loughlin, P. M. &amp; Paxton, H. &amp; Pogonoski, J. J. &amp; Staples, D. &amp; Watson, J. E. &amp; Wilson, R. S. &amp; Zhang, J. &amp; Bax, N. J." box="[694,926,1085,1111]" pageId="8" pageNumber="65" pagination="11" refId="ref18765" refString="O'Hara, T. D., Williams, A., Ahyong, S. T., Alderslade, P., Alvestad, T., Bray, D., Burghardt, I. Budaeva, N., Criscione, F., Crowther, A. L., Ekins, M., Eleaume, M., Farrelly, C. A., Finn, J. K., Georgieva, M. N., Graham, A., Gomon, M., Gowlett-Holmes, K., Gunton, L. M., Hallan, A, Hosie, A. M., Hutchings, P., Kise, H., K ˆ hler, F., Konsgrud, J. A., Kupriyanova, E., Lu, C. C., Mackenzie, M., Mah, C., MacIntosh, H., Merrin, K. L., Miskelly, A., Mitchell, M. L., Moore, K., Murray, A., O'Loughlin, P. M., Paxton, H., Pogonoski, J. J., Staples, D., Watson, J. E., Wilson, R. S., Zhang, J. &amp; Bax, N. J. (2020) The lower bathyal and abyssal seafloor fauna of eastern Australia. Marine Biodiversity Records, 13, 11. https: // doi. org / 10.1186 / s 41200 - 020 - 00194 - 1" type="journal article" year="2020">
OHara
<emphasis id="AFE63A7EFF80C031FCE522610F4A1531" box="[785,841,1085,1111]" italics="true" pageId="8" pageNumber="65">et al.</emphasis>
(2020)
</bibRefCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>