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<document id="A08A2CBD9BE03C9C053B7B77BCF974D9" ID-CLB-Dataset="7937" ID-DOI="10.11646/zootaxa.4878.2.2" ID-GBIF-Dataset="0ecaeb51-3fad-4aad-92c6-d6f0bd8eff54" ID-ISSN="1175-5326" ID-Zenodo-Dep="4424977" ID-ZooBank="111A9D05-860F-4917-A466-A44847B2D650" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1610036570597" checkinUser="plazi" docAuthor="Ekins, Merrick, Erpenbeck, Dirk, Goudie, Lisa &amp; Hooper, John N. A." docDate="2020" docId="03EAE240FF8AFF8B439EFBABFC2574E2" docLanguage="en" docName="zootaxa.4878.2.2.pdf" docOrigin="Zootaxa 4878 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Nullarbora heptaxia Ekins &amp; Erpenbeck &amp; Goudie &amp; Hooper 2020, sp. nov." docType="treatment" docUuid="A10BF9A8-86E4-48BA-8D8D-D2E9CB76BA25" docUuidSource="ZooBank" docVersion="9" lastPageNumber="247" masterDocId="FFD39A38FF8EFF8C4309FF8CFFEC7122" masterDocTitle="New carnivorous sponges and allied species from the Great Australian Bight" masterLastPageNumber="266" masterPageNumber="240" pageNumber="244" updateTime="1698923743032" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:titleInfo id="7AE82776CE60C06A3E753CAEB9CEB1A2">
<mods:title id="547BC5FC877284F68524F223E1752D55">New carnivorous sponges and allied species from the Great Australian Bight</mods:title>
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<mods:role id="342742ABBF1E52C7CF115A95478F46AA">
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<mods:namePart id="3D1A9FDD5ACCEAF69A61808610258239">Ekins, Merrick</mods:namePart>
<mods:affiliation id="DC72F20B62B3C6AE1C468CAB998197E0">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:name id="703D180BDCAA0951CE7C6A80901A1BD3" type="personal">
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<mods:namePart id="35B0A6A10FF3479DC26E4FA1DABB6975">Erpenbeck, Dirk</mods:namePart>
<mods:nameIdentifier id="1A0511890AE95EC3B5C4ECE1222F9CA9" type="ORCID">0000-0003-2716-1085</mods:nameIdentifier>
<mods:affiliation id="D96B91FACE761187CDE840EA43355062">Dept. of Earth and Environmental Sciences Ludwig-Maximilians-Universität München, Richard-Wagner-Strasse 10, 80333 Munich, Germany &amp; GeoBio-Center, Ludwig-Maximilians-Universität München, Richard-Wagner-Strasse 10, 80333 Munich, Germany erpenbeck @ lmu. de; https: // orcid. org / 0000 - 0003 - 2716 - 1085</mods:affiliation>
<mods:nameIdentifier id="470866F0B85F555B9995766C4D223976" type="email">erpenbeck@lmu.de</mods:nameIdentifier>
</mods:name>
<mods:name id="0F26E90185861CA2DF1AFC5FC69A06C4" type="personal">
<mods:role id="18A2500A7E9A53DD430DFF744A7F009B">
<mods:roleTerm id="479E76083A2373C7ADCAFCF2F46F0A5C">Author</mods:roleTerm>
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<mods:namePart id="9741BA1CA7BF1826B81D801B7462615B">Goudie, Lisa</mods:namePart>
<mods:nameIdentifier id="AF94C507F9A873684AC05D765619202F" type="ORCID">0000-0003-2569-8903</mods:nameIdentifier>
<mods:affiliation id="F3BA1694CAEAA75CA79509AB265881DB">Consultant, Victoria, Australia. goudielj @ bigpond. com; https: // orcid. org / 0000 - 0003 - 2569 - 8903</mods:affiliation>
<mods:nameIdentifier id="841FF1B291D6039C46D1FBC5A5281C8A" type="email">goudielj@bigpond.com</mods:nameIdentifier>
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<mods:roleTerm id="0AFD6C0C0D0DC28D6DE27897AED7410B">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="F8C3C35C7B77AC5B42A3B4531EFBD80E">Hooper, John N. A.</mods:namePart>
<mods:affiliation id="AAD385DFABE20DE7EB35165F0A964D56">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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<mods:title id="3116947BEBB1255A4BBBCB8A1F311069">Zootaxa</mods:title>
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<mods:part id="2C195FA8F33A0D1E30E014C6D52D0B07">
<mods:date id="4D363C56F24B2C61783F6B28BBC09933">2020</mods:date>
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<mods:number id="4D34998290CBCC0ED10AACAE21077381">2020-11-13</mods:number>
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<mods:number id="199CC631B056A188BD34DDECE89482F2">4878</mods:number>
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<mods:classification id="7169970C2451AF67DABEB434DD09042D">journal article</mods:classification>
<mods:identifier id="59BCB98E1F59E1CCB00C4A4F0A1E1EAE" type="CLB-Dataset">7937</mods:identifier>
<mods:identifier id="2DC5F821AA63A7FCF41FF6F482A27B61" type="DOI">10.11646/zootaxa.4878.2.2</mods:identifier>
<mods:identifier id="D2DE132D3156AC79BD6066C9FDC5456B" type="GBIF-Dataset">0ecaeb51-3fad-4aad-92c6-d6f0bd8eff54</mods:identifier>
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<treatment id="03EAE240FF8AFF8B439EFBABFC2574E2" ID-DOI="http://doi.org/10.5281/zenodo.4570951" ID-GBIF-Taxon="180324182" ID-Zenodo-Dep="4570951" LSID="urn:lsid:zoobank.org:act:A10BF9A8-86E4-48BA-8D8D-D2E9CB76BA25" httpUri="http://treatment.plazi.org/id/03EAE240FF8AFF8B439EFBABFC2574E2" lastPageId="7" lastPageNumber="247" pageId="4" pageNumber="244">
<subSubSection id="C35900DDFF8AFF88439EFBABFE1F7563" box="[151,499,1063,1090]" pageId="4" pageNumber="244" type="nomenclature">
<paragraph id="8BFC5356FF8AFF88439EFBABFE1F7563" blockId="4.[151,952,1063,1154]" box="[151,499,1063,1090]" pageId="4" pageNumber="244">
<heading id="D0B4E43AFF8AFF88439EFBABFE1F7563" bold="true" box="[151,499,1063,1090]" fontSize="11" level="1" pageId="4" pageNumber="244" reason="1">
<emphasis id="B9378F44FF8AFF88439EFBABFE1F7563" bold="true" box="[151,499,1063,1090]" pageId="4" pageNumber="244">
<taxonomicName id="4C4328D5FF8AFF88439EFBABFE627560" ID-CoL="86X6K" authority="Ekins &amp; Erpenbeck &amp; Goudie &amp; Hooper, 2020" authorityName="Ekins &amp; Erpenbeck &amp; Goudie &amp; Hooper" authorityYear="2020" box="[151,398,1063,1090]" class="Demospongiae" family="Cladorhizidae" genus="Nullarbora" kingdom="Animalia" order="Poecilosclerida" pageId="4" pageNumber="244" phylum="Porifera" rank="species" species="heptaxia" status="sp. nov.">
<emphasis id="B9378F44FF8AFF88439EFBABFE627560" bold="true" box="[151,398,1063,1090]" italics="true" pageId="4" pageNumber="244">Nullarbora heptaxia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A204323FFF8AFF88429CFBABFE1F7563" box="[405,499,1063,1089]" pageId="4" pageNumber="244" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C35900DDFF8AFF88439EFBC7FCED75E7" pageId="4" pageNumber="244" type="description">
<paragraph id="8BFC5356FF8AFF88439EFBC7FE6F7547" blockId="4.[151,952,1063,1154]" box="[151,387,1099,1125]" pageId="4" pageNumber="244">
<figureCitation id="13784FD3FF8AFF88439EFBC7FECA7547" box="[151,294,1099,1125]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStartId-0="5.[151,250,1889,1913]" captionStartId-1="6.[151,250,1599,1623]" captionTargetBox-0="[151,1436,345,1866]" captionTargetBox-1="[189,1398,181,1575]" captionTargetId-0="figure-96@5.[151,1436,345,1866]" captionTargetId-1="figure-18@6.[189,1398,181,1575]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionText-0="FIGURE 2. A. Holotype SAMA S2592 Nullarbora heptaxia sp. nov. B. Large anisochelae. C. Small anisochelae, D. Large mycalostyle. E. Magnified ends of the mycalostyle depicted in D. F. Small mycalostyle. G. Magnified ends of the mycalostyle depicted in F. H. Large sigma. I. Thin sigma. J. Sigmancistra." captionText-1="FIGURE 3. A. Cross-section of the stem of the Holotype (SAMA S2592) of Nullarbora heptaxia sp. nov. showing the radiating arms. B. Detail of the arms with longitudinal mycalostyles sectioned and the wedges containing the sigmas and anisochelae. C. Paratangential view of the stem, showing the radiating styles and longitudinal styles in the wedges emerging from the longitudinal mycalostyles. D. Prominent longitudinal mycalostyle bundle, with the supporting styles forming filaments on the lower edge. E. Root-like processes, showing the sigmas on the ectosomal surface and the styles underneath in the endosome. F. Filaments showing the ectosome encrusted with anisochelae and sigmas." figureDoi-0="http://doi.org/10.5281/zenodo.4424981" figureDoi-1="http://doi.org/10.5281/zenodo.4424983" httpUri-0="https://zenodo.org/record/4424981/files/figure.png" httpUri-1="https://zenodo.org/record/4424983/files/figure.png" pageId="4" pageNumber="244">Figures. 2–3</figureCitation>
,
<tableCitation id="C6C166EDFF8AFF884238FBC7FE6F7547" box="[305,387,1099,1125]" captionStart="TABLE 1" captionStartId="7.[151,239,151,175]" captionTargetPageId="7" captionText="TABLE 1. Measurements of spicules (presented as minimum-(mean)-maximum of lengths and widths in µm) for speci-" httpUri="http://table.plazi.org/id/DF3C03DEFF89FF8B439EFF1BFA71718D" pageId="4" pageNumber="244" tableUuid="DF3C03DEFF89FF8B439EFF1BFA71718D">Table 1</tableCitation>
</paragraph>
<paragraph id="8BFC5356FF8AFF88439EFBE6FC5475A0" blockId="4.[151,952,1063,1154]" box="[151,952,1130,1154]" pageId="4" pageNumber="244">
<uri id="FFD25F54FF8AFF88439EFBE6FC5475A0" box="[151,952,1130,1154]" pageId="4" pageNumber="244">
urn:lsid:zoobank.org:act:
<uuid id="FFE56983FF8AFF884296FBE6FC5475A0" box="[415,952,1130,1154]" pageId="4" pageNumber="244">A10BF9A8-86E4-48BA-8D8D-D2E9CB76BA25</uuid>
</uri>
</paragraph>
<paragraph id="8BFC5356FF8AFF88439EFB21FCED75E7" blockId="4.[151,769,1197,1221]" box="[151,769,1197,1221]" pageId="4" pageNumber="244">
<taxonomicName id="4C4328D5FF8AFF88439EFB21FEE575E7" authorityName="Sars" authorityYear="1872" box="[151,265,1197,1221]" class="Demospongiae" family="Cladorhizidae" genus="Cladorhiza" kingdom="Animalia" order="Poecilosclerida" pageId="4" pageNumber="244" phylum="Porifera" rank="genus">
<emphasis id="B9378F44FF8AFF88439EFB21FEE575E7" box="[151,265,1197,1221]" italics="true" pageId="4" pageNumber="244">Cladorhiza</emphasis>
</taxonomicName>
sp. 1,
<bibRefCitation id="EFD22EA7FF8AFF884245FB21FD4175E7" author="Ekins, M. &amp; Erpenbeck, D. &amp; Hooper, J. N. A." box="[332,685,1197,1221]" pageId="4" pageNumber="244" pagination="1 - 159" refId="ref13406" refString="Ekins, M., Erpenbeck, D. &amp; Hooper, J. N. A. (2020) Carnivorous sponges from the Australian Bathyal and Abyssal zones collected during the RV Investigator 2017 Expedition. Zootaxa, 4774 (1), 1 - 159. https: // doi. org / 10.11646 / zootaxa. 4774.1.1" type="journal article" year="2020">Ekins, Erpenbeck &amp; Hooper, 2020</bibRefCitation>
:
<tableCitation id="C6C166EDFF8AFF8841BFFB21FCED75E7" box="[694,769,1197,1221]" captionStart="TABLE 5" captionStartId="19.[151,239,981,1005]" captionTargetPageId="19" captionText="TABLE 5. Cladorhiza species sorted morphologically." httpUri="http://table.plazi.org/id/DF3C03DEFF9DFF9F439EFC59FD0D72CF" pageId="4" pageNumber="244" tableUuid="DF3C03DEFF9DFF9F439EFC59FD0D72CF">Table 5</tableCitation>
</paragraph>
</subSubSection>
<subSubSection id="C35900DDFF8AFF88439EFB7FFAD874C7" pageId="4" pageNumber="244" type="materials_examined">
<paragraph id="8BFC5356FF8AFF88439EFB7FFAD874C7" blockId="4.[151,1437,1267,2014]" pageId="4" pageNumber="244">
<emphasis id="B9378F44FF8AFF88439EFB7FFE6F742F" bold="true" box="[151,387,1267,1293]" pageId="4" pageNumber="244">Material examined:</emphasis>
<materialsCitation id="3B2B590BFF8AFF884282FB7FFD267477" ID-GBIF-Occurrence="3044031304" collectingDate="2017-03-23" collectionCode="SAMA, CSIRO, RV" collectorName="Coll. &amp; Rem Etive Cruise IN" elevation="3008" location="Great Australian Bight" longitude="130.91333" municipality="Nullarbor Canyon" pageId="4" pageNumber="244" specimenCode="S2592" specimenCount="1" stateProvince="South Australia" typeStatus="holotype">
<typeStatus id="54F8EDF4FF8AFF884282FB7FFE14742F" box="[395,504,1267,1293]" pageId="4" pageNumber="244" type="holotype">Holotype</typeStatus>
:
<collectionCode id="ED52CB93FF8AFF88410BFB7FFDBD742F" box="[514,593,1267,1293]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34982" lsid="urn:lsid:biocol.org:col:34982" name="South Australia Museum" pageId="4" pageNumber="244" type="Museum">SAMA</collectionCode>
<specimenCode id="DBE5FB2DFF8AFF884150FB7FFD4F742C" box="[601,675,1267,1294]" collectionCode="SAMA" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34982" lsid="urn:lsid:biocol.org:col:34982" name="South Australia Museum" pageId="4" pageNumber="244" type="Museum">S2592</specimenCode>
,
<collectingMunicipality id="6B98C92CFF8AFF8841A6FB7FFC91742F" box="[687,893,1267,1293]" pageId="4" pageNumber="244">Nullarbor Canyon</collectingMunicipality>
,
<location id="8E9C058DFF8AFF884080FB7FFB66742F" LSID="urn:lsid:plazi:treatment:03EAE240FF8AFF8B439EFBABFC2574E2:8E9C058DFF8AFF884080FB7FFB66742F" box="[905,1162,1267,1293]" longitude="130.91333" municipality="Nullarbor Canyon" name="Great Australian Bight" pageId="4" pageNumber="244" stateProvince="South Australia">Great Australian Bight</location>
,
<collectingRegion id="49879DB4FF8AFF88479FFB7FFAAB742F" box="[1174,1351,1267,1293]" country="Australia" name="South Australia" pageId="4" pageNumber="244">South Australia</collectingRegion>
, OR
<geoCoordinate id="EE773591FF8AFF884672FB7FFF2E7407" degrees="26, 35" direction="west" orientation="longitude" pageId="4" pageNumber="244" precision="555" value="-26.35">
26, 35
<superScript id="7C36FE1EFF8AFF8843B3FA9BFF2E7407" attach="left" box="[186,194,1303,1317]" fontSize="6" pageId="4" pageNumber="244">o</superScript>
</geoCoordinate>
2’34.2” S
<geoCoordinate id="EE773591FF8AFF88424EFA9BFE1A7410" box="[327,502,1303,1330]" degrees="130" direction="east" minutes="54" orientation="longitude" pageId="4" pageNumber="244" precision="15" seconds="48" value="130.91333">
130
<superScript id="7C36FE1EFF8AFF88427EFA9BFE937407" attach="left" box="[375,383,1303,1317]" fontSize="6" pageId="4" pageNumber="244">o</superScript>
54’48” E
</geoCoordinate>
,
<quantity id="4CBBFEB3FF8AFF88410FFA9BFD687410" box="[518,644,1303,1330]" metricMagnitude="3" metricUnit="m" metricValue="3.00791" pageId="4" pageNumber="244" unit="m" value="3007.91">
<elevation id="006EB465FF8AFF88410FFA9BFD687410" box="[518,644,1303,1330]" metricMagnitude="3" metricUnit="m" metricValue="3.00791" pageId="4" pageNumber="244" unit="m" value="3007.91">3007.91 m</elevation>
</quantity>
, ROV,
<collectorName id="26B63680FF8AFF8841D4FA9BFCF97413" box="[733,789,1303,1329]" pageId="4" pageNumber="244">Coll.</collectorName>
<collectionCode id="ED52CB93FF8AFF884016FA9BFC9D7413" box="[799,881,1303,1329]" country="Australia" httpUri="http://grbio.org/cool/0k2v-y6wz" name="Australian National Fish Collection" pageId="4" pageNumber="244" type="Museum">CSIRO</collectionCode>
on
<collectionCode id="ED52CB93FF8AFF8840ADFA94FC257410" box="[932,969,1304,1330]" country="Italy" name="Collection of Leptospira Strains" pageId="4" pageNumber="244">RV</collectionCode>
<collectorName id="26B63680FF8AFF8840DAFA94FB247413" box="[979,1224,1303,1329]" pageId="4" pageNumber="244">
<emphasis id="B9378F44FF8AFF8840DAFA94FBA67413" box="[979,1098,1304,1329]" italics="true" pageId="4" pageNumber="244">Rem Etive</emphasis>
Cruise IN
</collectorName>
2017_C01, sample RE2017_C01_OR26A_061_102,
<date id="FFFD7596FF8AFF88411CFAB7FD267477" box="[533,714,1339,1365]" pageId="4" pageNumber="244" value="2017-03-23">
<collectingDate id="EFB98C7EFF8AFF88411CFAB7FD267477" box="[533,714,1339,1365]" pageId="4" pageNumber="244" value="2017-03-23">23 March 2017</collectingDate>
</date>
</materialsCitation>
.
<materialsCitation id="3B2B590BFF8AFF8841DFFAB0FB86745B" ID-GBIF-Occurrence="3044031305" collectionCode="SAMA" elevation="3048" location="Great Australian Bight" longitude="130.90366" municipality="Nullarbor Canyon" pageId="4" pageNumber="244" specimenCode="S2593" specimenCount="1" stateProvince="South Australia" typeStatus="paratype">
<typeStatus id="54F8EDF4FF8AFF8841DFFAB0FCD07474" box="[726,828,1340,1366]" pageId="4" pageNumber="244" type="paratype">Paratype</typeStatus>
:
<collectionCode id="ED52CB93FF8AFF884043FAB7FC727477" box="[842,926,1339,1365]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34982" lsid="urn:lsid:biocol.org:col:34982" name="South Australia Museum" pageId="4" pageNumber="244" type="Museum">SAMA</collectionCode>
,
<specimenCode id="DBE5FB2DFF8AFF8840A2FAB7FC197474" box="[939,1013,1339,1366]" collectionCode="SAMA" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34982" lsid="urn:lsid:biocol.org:col:34982" name="South Australia Museum" pageId="4" pageNumber="244" type="Museum">S2593</specimenCode>
,
<collectingMunicipality id="6B98C92CFF8AFF88470AFAB7FB387477" box="[1027,1236,1339,1365]" pageId="4" pageNumber="244">Nullarbor Canyon</collectingMunicipality>
,
<location id="8E9C058DFF8AFF8847E8FAB7FF34745B" LSID="urn:lsid:plazi:treatment:03EAE240FF8AFF8B439EFBABFC2574E2:8E9C058DFF8AFF8847E8FAB7FF34745B" longitude="130.90366" municipality="Nullarbor Canyon" name="Great Australian Bight" pageId="4" pageNumber="244" stateProvince="South Australia">Great Australian Bight</location>
,
<collectingRegion id="49879DB4FF8AFF8843ECFAD3FE7B745B" box="[229,407,1375,1401]" country="Australia" name="South Australia" pageId="4" pageNumber="244">South Australia</collectingRegion>
, OR
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26, 35
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2’31.2” S
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130
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54’13.2” E
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,
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<elevation id="006EB465FF8AFF88406FFAD3FC0E7458" box="[870,994,1375,1402]" metricMagnitude="3" metricUnit="m" metricValue="3.0484199999999997" pageId="4" pageNumber="244" unit="m" value="3048.42">3048.42 m</elevation>
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, ROV, Coll
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.
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on
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<collectionCode id="ED52CB93FF8AFF8847FCFAECFAF67458" box="[1269,1306,1376,1402]" country="Italy" name="Collection of Leptospira Strains" pageId="4" pageNumber="244">RV</collectionCode>
<emphasis id="B9378F44FF8AFF88462BFAECFA7A745B" box="[1314,1430,1376,1401]" italics="true" pageId="4" pageNumber="244">
<collectorName id="26B63680FF8AFF88462BFAECFA7A745B" box="[1314,1430,1376,1401]" pageId="4" pageNumber="244">Rem Etive</collectorName>
</emphasis>
,
<collectorName id="26B63680FF8AFF88439EFA0FFEE574BF" box="[151,265,1411,1437]" pageId="4" pageNumber="244">Cruise IN</collectorName>
2017_C01, sample RE2017_C01_OR26A_141_101,
<date id="FFFD7596FF8AFF88406CFA0FFBF674BF" box="[869,1050,1411,1437]" pageId="4" pageNumber="244" value="2017-03-23">
<collectingDate id="EFB98C7EFF8AFF88406CFA0FFBF674BF" box="[869,1050,1411,1437]" pageId="4" pageNumber="244" value="2017-03-23">23 March 2017</collectingDate>
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</materialsCitation>
.
<materialsCitation id="3B2B590BFF8AFF88472EFA08FA7574E3" ID-GBIF-Occurrence="3044031310" collectionCode="SAMA" elevation="3039" latitude="-35.042" location="Great Australian Bight" longLatPrecision="1" longitude="130.90266" municipality="Nullarbor Canyon" pageId="4" pageNumber="244" specimenCode="S2594" specimenCount="1" stateProvince="South Australia" typeStatus="paratype">
<typeStatus id="54F8EDF4FF8AFF88472EFA08FB6174BC" box="[1063,1165,1412,1438]" pageId="4" pageNumber="244" type="paratype">Paratype</typeStatus>
:
<collectionCode id="ED52CB93FF8AFF884793FA0FFB0574BF" box="[1178,1257,1411,1437]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34982" lsid="urn:lsid:biocol.org:col:34982" name="South Australia Museum" pageId="4" pageNumber="244" type="Museum">SAMA</collectionCode>
<specimenCode id="DBE5FB2DFF8AFF8847FAFA0FFAD174BC" box="[1267,1341,1411,1438]" collectionCode="SAMA" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34982" lsid="urn:lsid:biocol.org:col:34982" name="South Australia Museum" pageId="4" pageNumber="244" type="Museum">S2594</specimenCode>
,
<collectingMunicipality id="6B98C92CFF8AFF884645FA0FFEF274E3" pageId="4" pageNumber="244">Nullarbor Canyon</collectingMunicipality>
,
<location id="8E9C058DFF8AFF884223FA2BFDC074E3" LSID="urn:lsid:plazi:treatment:03EAE240FF8AFF8B439EFBABFC2574E2:8E9C058DFF8AFF884223FA2BFDC074E3" box="[298,556,1447,1473]" latitude="-35.042" longLatPrecision="1" longitude="130.90266" municipality="Nullarbor Canyon" name="Great Australian Bight" pageId="4" pageNumber="244" stateProvince="South Australia">Great Australian Bight</location>
,
<collectingRegion id="49879DB4FF8AFF884131FA2BFD0674E3" box="[568,746,1447,1473]" country="Australia" name="South Australia" pageId="4" pageNumber="244">South Australia</collectingRegion>
, OR26,
<geoCoordinate id="EE773591FF8AFF88404EFA2BFC3874E3" box="[839,980,1447,1474]" degrees="35" direction="south" minutes="2" orientation="latitude" pageId="4" pageNumber="244" precision="1" seconds="31.2" value="-35.042">35 2’31.2” S</geoCoordinate>
<geoCoordinate id="EE773591FF8AFF8840D5FA2BFB6674E0" box="[988,1162,1447,1474]" degrees="130" direction="east" minutes="54" orientation="longitude" pageId="4" pageNumber="244" precision="1" seconds="9.6" value="130.90266">
130
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54’9.6” E
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,
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<elevation id="006EB465FF8AFF88479EFA2BFAFE74E0" box="[1175,1298,1447,1474]" metricMagnitude="3" metricUnit="m" metricValue="3.0385199999999997" pageId="4" pageNumber="244" unit="m" value="3038.52">3038.52 m</elevation>
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, ROV, Coll
</materialsCitation>
.
<collectionCode id="ED52CB93FF8AFF88439EFA47FF0574C7" box="[151,233,1483,1509]" country="Australia" httpUri="http://grbio.org/cool/0k2v-y6wz" name="Australian National Fish Collection" pageId="4" pageNumber="244" type="Museum">CSIRO</collectionCode>
on
<materialsCitation id="3B2B590BFF8AFF88421DFA40FADD74C7" ID-GBIF-Occurrence="3044031311" box="[276,1329,1483,1510]" collectingDate="2017-03-24" collectionCode="RV" collectorName="Rem Etive &amp; Cruise IN" pageId="4" pageNumber="244" specimenCount="1" stateProvince="South Australia" typeStatus="paratype">
<collectionCode id="ED52CB93FF8AFF88421DFA40FED574C4" box="[276,313,1484,1510]" country="Italy" name="Collection of Leptospira Strains" pageId="4" pageNumber="244">RV</collectionCode>
<emphasis id="B9378F44FF8AFF884236FA40FE5E74C7" box="[319,434,1484,1509]" italics="true" pageId="4" pageNumber="244">
<collectorName id="26B63680FF8AFF884236FA40FE5E74C7" box="[319,434,1484,1509]" pageId="4" pageNumber="244">Rem Etive</collectorName>
</emphasis>
,
<collectorName id="26B63680FF8AFF8842C9FA47FDC374C7" box="[448,559,1483,1509]" pageId="4" pageNumber="244">Cruise IN</collectorName>
2017_C01, sample RE2017_C01_OR26A_144_101,
<date id="FFFD7596FF8AFF88478BFA47FADD74C7" box="[1154,1329,1483,1509]" pageId="4" pageNumber="244" value="2017-03-24">
<collectingDate id="EFB98C7EFF8AFF88478BFA47FADD74C7" box="[1154,1329,1483,1509]" pageId="4" pageNumber="244" value="2017-03-24">24 March 2017</collectingDate>
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.
</paragraph>
</subSubSection>
<subSubSection id="C35900DDFF8AFF8843CEFA63FD53772B" box="[199,703,1519,1546]" pageId="4" pageNumber="244" type="etymology">
<paragraph id="8BFC5356FF8AFF8843CEFA63FD53772B" blockId="4.[151,1437,1267,2014]" box="[199,703,1519,1546]" pageId="4" pageNumber="244">
<emphasis id="B9378F44FF8AFF8843CEFA63FEA4772B" bold="true" box="[199,328,1519,1545]" pageId="4" pageNumber="244">Etymology</emphasis>
: Gr. hepta, seven; axon, Gr. axle.
</paragraph>
</subSubSection>
<subSubSection id="C35900DDFF8AFF8843CEF99FFE1F7773" pageId="4" pageNumber="244" type="distribution">
<paragraph id="8BFC5356FF8AFF8843CEF99FFE1F7773" blockId="4.[151,1437,1267,2014]" pageId="4" pageNumber="244">
<emphasis id="B9378F44FF8AFF8843CEF99FFEB5770F" bold="true" box="[199,345,1555,1581]" pageId="4" pageNumber="244">Distribution</emphasis>
: This species is presently known only from the
<typeStatus id="54F8EDF4FF8AFF88407CF998FC49770C" box="[885,933,1556,1582]" pageId="4" pageNumber="244">type</typeStatus>
locality in the Great Australian Bight,
<collectingRegion id="49879DB4FF8AFF884652F99FFEED7773" country="Australia" name="South Australia" pageId="4" pageNumber="244">South Australia</collectingRegion>
, from bathyal depths.
</paragraph>
</subSubSection>
<subSubSection id="C35900DDFF8AFF8B43CEF9D7FDBC7582" lastPageId="7" lastPageNumber="247" pageId="4" pageNumber="244" type="description">
<paragraph id="8BFC5356FF8AFF8843CEF9D7FBD87624" blockId="4.[151,1437,1267,2014]" pageId="4" pageNumber="244">
<emphasis id="B9378F44FF8AFF8843CEF9D7FEBD7757" bold="true" box="[199,337,1627,1653]" pageId="4" pageNumber="244">Description</emphasis>
:
<emphasis id="B9378F44FF8AFF884269F9D7FE1D7757" box="[352,497,1627,1653]" italics="true" pageId="4" pageNumber="244">Growth form</emphasis>
: Stipitate, erect, unbranched, tall, bottle-brush shaped sponge adorned with copious fragile horizontal filaments (
<figureCitation id="13784FD3FF8AFF8842D0F9F3FDB477BB" box="[473,600,1663,1689]" captionStart="FIGURE 2" captionStartId="5.[151,250,1889,1913]" captionTargetBox="[151,1436,345,1866]" captionTargetId="figure-96@5.[151,1436,345,1866]" captionTargetPageId="5" captionText="FIGURE 2. A. Holotype SAMA S2592 Nullarbora heptaxia sp. nov. B. Large anisochelae. C. Small anisochelae, D. Large mycalostyle. E. Magnified ends of the mycalostyle depicted in D. F. Small mycalostyle. G. Magnified ends of the mycalostyle depicted in F. H. Large sigma. I. Thin sigma. J. Sigmancistra." figureDoi="http://doi.org/10.5281/zenodo.4424981" httpUri="https://zenodo.org/record/4424981/files/figure.png" pageId="4" pageNumber="244">Figure 2 A</figureCitation>
). The
<typeStatus id="54F8EDF4FF8AFF884196F9F3FCED77BB" box="[671,769,1663,1689]" pageId="4" pageNumber="244" type="holotype">holotype</typeStatus>
is
<quantity id="4CBBFEB3FF8AFF88402DF9F3FC6D77B8" box="[804,897,1663,1690]" metricMagnitude="-1" metricUnit="m" metricValue="4.05" pageId="4" pageNumber="244" unit="mm" value="405.0">405 mm</quantity>
in length and the stem is
<quantity id="4CBBFEB3FF8AFF8847AFF9F3FB0477B8" box="[1190,1256,1663,1690]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="4" pageNumber="244" unit="mm" value="6.0">6 mm</quantity>
in width. There are seven columns of filaments up to
<quantity id="4CBBFEB3FF8AFF88413CF92FFD6F779C" box="[565,643,1699,1726]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="4" pageNumber="244" unit="mm" value="25.0">25 mm</quantity>
in length This species also has basal root like processes up to
<quantity id="4CBBFEB3FF8AFF88463BF92FFA6D779C" box="[1330,1409,1699,1726]" metricMagnitude="-2" metricUnit="m" metricValue="5.4" pageId="4" pageNumber="244" unit="mm" value="54.0">54 mm</quantity>
in length and usually
<quantity id="4CBBFEB3FF8AFF884265F94BFE2E77C0" box="[364,450,1735,1762]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="4" pageNumber="244" unit="mm" value="0.2">0.2 mm</quantity>
in width. Both
<typeStatus id="54F8EDF4FF8AFF88417BF944FD3177C0" box="[626,733,1736,1762]" pageId="4" pageNumber="244" type="paratype">paratypes</typeStatus>
are smaller and thinner of 275 and
<quantity id="4CBBFEB3FF8AFF884764F94BFB2677C0" box="[1133,1226,1735,1762]" metricMagnitude="-1" metricUnit="m" metricValue="2.05" pageId="4" pageNumber="244" unit="mm" value="205.0">205 mm</quantity>
in length and only
<quantity id="4CBBFEB3FF8AFF88439EF967FF017624" box="[151,237,1771,1798]" metricMagnitude="-3" metricUnit="m" metricValue="2.9" pageId="4" pageNumber="244" unit="mm" value="2.9">2.9 mm</quantity>
width of the stem, and the filaments only reach a maximum of
<quantity id="4CBBFEB3FF8AFF8840BDF967FBDC7624" box="[948,1072,1771,1798]" metricMagnitude="-2" metricUnit="m" metricValue="1.15" metricValueMax="1.3" metricValueMin="1.0" pageId="4" pageNumber="244" unit="mm" value="11.5" valueMax="13.0" valueMin="10.0">10–13 mm</quantity>
.
</paragraph>
<paragraph id="8BFC5356FF8AFF8843CEF883FC88760B" blockId="4.[151,1437,1267,2014]" box="[199,868,1807,1834]" pageId="4" pageNumber="244">
<emphasis id="B9378F44FF8AFF8843CEF883FEFA760B" box="[199,278,1807,1833]" italics="true" pageId="4" pageNumber="244">Colour</emphasis>
: Pale brown on-deck. Creamy gold when preserved.
</paragraph>
<paragraph id="8BFC5356FF8AFF8843CEF8BFFDBC769B" blockId="4.[151,1437,1267,2014]" pageId="4" pageNumber="244">
<emphasis id="B9378F44FF8AFF8843CEF8BFFE4E766F" box="[199,418,1843,1869]" italics="true" pageId="4" pageNumber="244">Ectosomal skeleton</emphasis>
: Ectosomal skeleton is membranous and contains the abundant large sigmas and smaller anisochelae. This ectosome is clearly seen on the filaments (
<figureCitation id="13784FD3FF8AFF88403BF8DBFC477650" box="[818,939,1879,1906]" captionStart="FIGURE 3" captionStartId="6.[151,250,1599,1623]" captionTargetBox="[189,1398,181,1575]" captionTargetId="figure-18@6.[189,1398,181,1575]" captionTargetPageId="6" captionText="FIGURE 3. A. Cross-section of the stem of the Holotype (SAMA S2592) of Nullarbora heptaxia sp. nov. showing the radiating arms. B. Detail of the arms with longitudinal mycalostyles sectioned and the wedges containing the sigmas and anisochelae. C. Paratangential view of the stem, showing the radiating styles and longitudinal styles in the wedges emerging from the longitudinal mycalostyles. D. Prominent longitudinal mycalostyle bundle, with the supporting styles forming filaments on the lower edge. E. Root-like processes, showing the sigmas on the ectosomal surface and the styles underneath in the endosome. F. Filaments showing the ectosome encrusted with anisochelae and sigmas." figureDoi="http://doi.org/10.5281/zenodo.4424983" httpUri="https://zenodo.org/record/4424983/files/figure.png" pageId="4" pageNumber="244">Figure 3 F</figureCitation>
). The anisochelae are absent in the ectosome of the root like processes (
<figureCitation id="13784FD3FF8AFF8842B4F8F7FDD576B4" box="[445,569,1915,1942]" captionStart="FIGURE 3" captionStartId="6.[151,250,1599,1623]" captionTargetBox="[189,1398,181,1575]" captionTargetId="figure-18@6.[189,1398,181,1575]" captionTargetPageId="6" captionText="FIGURE 3. A. Cross-section of the stem of the Holotype (SAMA S2592) of Nullarbora heptaxia sp. nov. showing the radiating arms. B. Detail of the arms with longitudinal mycalostyles sectioned and the wedges containing the sigmas and anisochelae. C. Paratangential view of the stem, showing the radiating styles and longitudinal styles in the wedges emerging from the longitudinal mycalostyles. D. Prominent longitudinal mycalostyle bundle, with the supporting styles forming filaments on the lower edge. E. Root-like processes, showing the sigmas on the ectosomal surface and the styles underneath in the endosome. F. Filaments showing the ectosome encrusted with anisochelae and sigmas." figureDoi="http://doi.org/10.5281/zenodo.4424983" httpUri="https://zenodo.org/record/4424983/files/figure.png" pageId="4" pageNumber="244">Figure 3 E</figureCitation>
). In the stem of the sponge the mycalostyles echinate the endosomal columns of styles and the ectosome (
<figureCitation id="13784FD3FF8AFF8842C4F813FDA4769B" box="[461,584,1951,1977]" captionStart="FIGURE 3" captionStartId="6.[151,250,1599,1623]" captionTargetBox="[189,1398,181,1575]" captionTargetId="figure-18@6.[189,1398,181,1575]" captionTargetPageId="6" captionText="FIGURE 3. A. Cross-section of the stem of the Holotype (SAMA S2592) of Nullarbora heptaxia sp. nov. showing the radiating arms. B. Detail of the arms with longitudinal mycalostyles sectioned and the wedges containing the sigmas and anisochelae. C. Paratangential view of the stem, showing the radiating styles and longitudinal styles in the wedges emerging from the longitudinal mycalostyles. D. Prominent longitudinal mycalostyle bundle, with the supporting styles forming filaments on the lower edge. E. Root-like processes, showing the sigmas on the ectosomal surface and the styles underneath in the endosome. F. Filaments showing the ectosome encrusted with anisochelae and sigmas." figureDoi="http://doi.org/10.5281/zenodo.4424983" httpUri="https://zenodo.org/record/4424983/files/figure.png" pageId="4" pageNumber="244">Figure 3 C</figureCitation>
)
</paragraph>
<paragraph id="8BFC5356FF8AFF8943CEF84FFECD7063" blockId="4.[151,1437,1267,2014]" lastBlockId="5.[151,1437,151,321]" lastPageId="5" lastPageNumber="245" pageId="4" pageNumber="244">
<emphasis id="B9378F44FF8AFF8843CEF84FFE4476FF" box="[199,424,1987,2013]" italics="true" pageId="4" pageNumber="244">Endosomal skeleton</emphasis>
: In cross-section the stem has a radial skeleton, with a very small core. Around the nucleus seven arms radiate outwards (
<figureCitation id="13784FD3FF8BFF8942E1FF1BFD847193" box="[488,616,151,177]" captionStart="FIGURE 3" captionStartId="6.[151,250,1599,1623]" captionTargetBox="[189,1398,181,1575]" captionTargetId="figure-18@6.[189,1398,181,1575]" captionTargetPageId="6" captionText="FIGURE 3. A. Cross-section of the stem of the Holotype (SAMA S2592) of Nullarbora heptaxia sp. nov. showing the radiating arms. B. Detail of the arms with longitudinal mycalostyles sectioned and the wedges containing the sigmas and anisochelae. C. Paratangential view of the stem, showing the radiating styles and longitudinal styles in the wedges emerging from the longitudinal mycalostyles. D. Prominent longitudinal mycalostyle bundle, with the supporting styles forming filaments on the lower edge. E. Root-like processes, showing the sigmas on the ectosomal surface and the styles underneath in the endosome. F. Filaments showing the ectosome encrusted with anisochelae and sigmas." figureDoi="http://doi.org/10.5281/zenodo.4424983" httpUri="https://zenodo.org/record/4424983/files/figure.png" pageId="5" pageNumber="245">Figure 3 A</figureCitation>
). These arms are composed of flattened bundles of longitudinal mycalostyles, providing support to the sponge. In between these radiating arms and at right angles to them, there are also seven radiating wedges containing sigmas, anisochelae (
<figureCitation id="13784FD3FF8BFF894028FF53FC4D71DB" box="[801,929,223,249]" captionStart="FIGURE 3" captionStartId="6.[151,250,1599,1623]" captionTargetBox="[189,1398,181,1575]" captionTargetId="figure-18@6.[189,1398,181,1575]" captionTargetPageId="6" captionText="FIGURE 3. A. Cross-section of the stem of the Holotype (SAMA S2592) of Nullarbora heptaxia sp. nov. showing the radiating arms. B. Detail of the arms with longitudinal mycalostyles sectioned and the wedges containing the sigmas and anisochelae. C. Paratangential view of the stem, showing the radiating styles and longitudinal styles in the wedges emerging from the longitudinal mycalostyles. D. Prominent longitudinal mycalostyle bundle, with the supporting styles forming filaments on the lower edge. E. Root-like processes, showing the sigmas on the ectosomal surface and the styles underneath in the endosome. F. Filaments showing the ectosome encrusted with anisochelae and sigmas." figureDoi="http://doi.org/10.5281/zenodo.4424983" httpUri="https://zenodo.org/record/4424983/files/figure.png" pageId="5" pageNumber="245">Figure 3 B</figureCitation>
) and styles both longitudinally and radially orientated (
<figureCitation id="13784FD3FF8BFF89421EFE8FFE7A703F" box="[279,406,259,285]" captionStart="FIGURE 3" captionStartId="6.[151,250,1599,1623]" captionTargetBox="[189,1398,181,1575]" captionTargetId="figure-18@6.[189,1398,181,1575]" captionTargetPageId="6" captionText="FIGURE 3. A. Cross-section of the stem of the Holotype (SAMA S2592) of Nullarbora heptaxia sp. nov. showing the radiating arms. B. Detail of the arms with longitudinal mycalostyles sectioned and the wedges containing the sigmas and anisochelae. C. Paratangential view of the stem, showing the radiating styles and longitudinal styles in the wedges emerging from the longitudinal mycalostyles. D. Prominent longitudinal mycalostyle bundle, with the supporting styles forming filaments on the lower edge. E. Root-like processes, showing the sigmas on the ectosomal surface and the styles underneath in the endosome. F. Filaments showing the ectosome encrusted with anisochelae and sigmas." figureDoi="http://doi.org/10.5281/zenodo.4424983" httpUri="https://zenodo.org/record/4424983/files/figure.png" pageId="5" pageNumber="245">Figure 3 C</figureCitation>
). From within these wedges the mycalostyles give rise to and support the filaments (lower
<figureCitation id="13784FD3FF8BFF89439EFEABFEF87063" box="[151,276,295,321]" captionStart="FIGURE 3" captionStartId="6.[151,250,1599,1623]" captionTargetBox="[189,1398,181,1575]" captionTargetId="figure-18@6.[189,1398,181,1575]" captionTargetPageId="6" captionText="FIGURE 3. A. Cross-section of the stem of the Holotype (SAMA S2592) of Nullarbora heptaxia sp. nov. showing the radiating arms. B. Detail of the arms with longitudinal mycalostyles sectioned and the wedges containing the sigmas and anisochelae. C. Paratangential view of the stem, showing the radiating styles and longitudinal styles in the wedges emerging from the longitudinal mycalostyles. D. Prominent longitudinal mycalostyle bundle, with the supporting styles forming filaments on the lower edge. E. Root-like processes, showing the sigmas on the ectosomal surface and the styles underneath in the endosome. F. Filaments showing the ectosome encrusted with anisochelae and sigmas." figureDoi="http://doi.org/10.5281/zenodo.4424983" httpUri="https://zenodo.org/record/4424983/files/figure.png" pageId="5" pageNumber="245">Figure 3 D</figureCitation>
).
</paragraph>
<caption id="DF3C03DEFF8BFF89439EF8EDFCE976E3" ID-DOI="http://doi.org/10.5281/zenodo.4424981" ID-Zenodo-Dep="4424981" httpUri="https://zenodo.org/record/4424981/files/figure.png" pageId="5" pageNumber="245" startId="5.[151,250,1889,1913]" targetBox="[151,1436,345,1866]" targetPageId="5">
<paragraph id="8BFC5356FF8BFF89439EF8EDFCE976E3" blockId="5.[151,1437,1889,1986]" pageId="5" pageNumber="245">
<emphasis id="B9378F44FF8BFF89439EF8EDFEF9765B" bold="true" box="[151,277,1889,1913]" pageId="5" pageNumber="245">FIGURE 2.</emphasis>
A. Holotype SAMA S2592
<taxonomicName id="4C4328D5FF8BFF894134F8EDFCE2765B" authority="Ekins &amp; Erpenbeck &amp; Goudie &amp; Hooper, 2020" authorityName="Ekins &amp; Erpenbeck &amp; Goudie &amp; Hooper" authorityYear="2020" box="[573,782,1889,1913]" class="Demospongiae" family="Cladorhizidae" genus="Nullarbora" kingdom="Animalia" order="Poecilosclerida" pageId="5" pageNumber="245" phylum="Porifera" rank="species" species="heptaxia" status="sp. nov.">
<emphasis id="B9378F44FF8BFF894134F8EDFCE2765B" box="[573,782,1889,1913]" italics="true" pageId="5" pageNumber="245">Nullarbora heptaxia</emphasis>
</taxonomicName>
<emphasis id="B9378F44FF8BFF89401FF8EDFC85765B" bold="true" box="[790,873,1889,1913]" pageId="5" pageNumber="245">
<taxonomicNameLabel id="A204323FFF8BFF89401FF8EDFC85765B" box="[790,873,1889,1913]" pageId="5" pageNumber="245" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
B. Large anisochelae. C. Small anisochelae, D. Large mycalostyle. E. Magnified ends of the mycalostyle depicted in D. F. Small mycalostyle. G. Magnified ends of the mycalostyle depicted in F. H. Large sigma. I. Thin sigma. J. Sigmancistra.
</paragraph>
</caption>
<caption id="DF3C03DEFF88FF8A439EF9B3FCBD762E" ID-DOI="http://doi.org/10.5281/zenodo.4424983" ID-Zenodo-Dep="4424983" httpUri="https://zenodo.org/record/4424983/files/figure.png" pageId="6" pageNumber="246" startId="6.[151,250,1599,1623]" targetBox="[189,1398,181,1575]" targetPageId="6">
<paragraph id="8BFC5356FF88FF8A439EF9B3FCBD762E" blockId="6.[151,1437,1599,1804]" pageId="6" pageNumber="246">
<emphasis id="B9378F44FF88FF8A439EF9B3FEFE7775" bold="true" box="[151,274,1599,1623]" pageId="6" pageNumber="246">FIGURE 3.</emphasis>
A. Cross-section of the stem of the Holotype (SAMA S2592) of
<taxonomicName id="4C4328D5FF88FF8A4090F9CCFB84777A" authority="Ekins &amp; Erpenbeck &amp; Goudie &amp; Hooper, 2020" authorityName="Ekins &amp; Erpenbeck &amp; Goudie &amp; Hooper" authorityYear="2020" box="[921,1128,1600,1624]" class="Demospongiae" family="Cladorhizidae" genus="Nullarbora" kingdom="Animalia" order="Poecilosclerida" pageId="6" pageNumber="246" phylum="Porifera" rank="species" species="heptaxia" status="sp. nov.">
<emphasis id="B9378F44FF88FF8A4090F9CCFB84777A" box="[921,1128,1600,1624]" italics="true" pageId="6" pageNumber="246">Nullarbora heptaxia</emphasis>
</taxonomicName>
<emphasis id="B9378F44FF88FF8A4764F9CCFB51777A" bold="true" box="[1133,1213,1600,1624]" pageId="6" pageNumber="246">
<taxonomicNameLabel id="A204323FFF88FF8A4764F9CCFB51777A" box="[1133,1213,1600,1624]" pageId="6" pageNumber="246" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
showing the radiating arms. B. Detail of the arms with longitudinal mycalostyles sectioned and the wedges containing the sigmas and anisochelae. C. Paratangential view of the stem, showing the radiating styles and longitudinal styles in the wedges emerging from the longitudinal mycalostyles. D. Prominent longitudinal mycalostyle bundle, with the supporting styles forming filaments on the lower edge. E. Root-like processes, showing the sigmas on the ectosomal surface and the styles underneath in the endosome. F. Filaments showing the ectosome encrusted with anisochelae and sigmas.
</paragraph>
</caption>
<paragraph id="8BFC5356FF88FF8A43CEF8B6FBA276C6" blockId="6.[151,1436,1850,2020]" pageId="6" pageNumber="246">
<emphasis id="B9378F44FF88FF8A43CEF8B6FEB17676" box="[199,349,1850,1876]" italics="true" pageId="6" pageNumber="246">Megascleres:</emphasis>
The large mycalostyles (1510–3110 x
<quantity id="4CBBFEB3FF88FF8A4017F8B6FC787676" box="[798,916,1850,1877]" metricMagnitude="-2" metricUnit="m" metricValue="3.9" metricValueMax="5.6" metricValueMin="2.2" pageId="6" pageNumber="246" unit="mm" value="39.0" valueMax="56.0" valueMin="22.0">22–56 µm</quantity>
) are fusiform, with an abruptly sharp tip and slightly tapering base, and the greatest width at the centre of the spicule (
<figureCitation id="13784FD3FF88FF8A40CFF8D2FB8E765A" box="[966,1122,1886,1912]" captionStart="FIGURE 2" captionStartId="5.[151,250,1889,1913]" captionTargetBox="[151,1436,345,1866]" captionTargetId="figure-96@5.[151,1436,345,1866]" captionTargetPageId="5" captionText="FIGURE 2. A. Holotype SAMA S2592 Nullarbora heptaxia sp. nov. B. Large anisochelae. C. Small anisochelae, D. Large mycalostyle. E. Magnified ends of the mycalostyle depicted in D. F. Small mycalostyle. G. Magnified ends of the mycalostyle depicted in F. H. Large sigma. I. Thin sigma. J. Sigmancistra." figureDoi="http://doi.org/10.5281/zenodo.4424981" httpUri="https://zenodo.org/record/4424981/files/figure.png" pageId="6" pageNumber="246">Figure 2 D, E</figureCitation>
,
<tableCitation id="C6C166EDFF88FF8A4764F8D2FB53765A" box="[1133,1215,1886,1912]" captionStart="TABLE 1" captionStartId="7.[151,239,151,175]" captionTargetPageId="7" captionText="TABLE 1. Measurements of spicules (presented as minimum-(mean)-maximum of lengths and widths in µm) for speci-" httpUri="http://table.plazi.org/id/DF3C03DEFF89FF8B439EFF1BFA71718D" pageId="6" pageNumber="246" tableUuid="DF3C03DEFF89FF8B439EFF1BFA71718D">Table 1</tableCitation>
). The less common smaller styles (426–
<date id="FFFD7596FF88FF8A427EF80EFDED76BE" box="[375,513,1922,1948]" pageId="6" pageNumber="246" value="1690-10-06" valueMax="1690-10-24" valueMin="1690-10-06">
1690 x
<quantity id="4CBBFEB3FF88FF8A42C0F80EFDED76BE" box="[457,513,1922,1948]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" metricValueMax="2.4" metricValueMin="0.6" pageId="6" pageNumber="246" unit="mm" value="15.0" valueMax="24.0" valueMin="6.0">6–24</quantity>
</date>
µm) are more regular style shape but are slightly thicker in the centre of the spicule (
<figureCitation id="13784FD3FF88FF8A4396F82AFED176E2" box="[159,317,1958,1984]" captionStart="FIGURE 2" captionStartId="5.[151,250,1889,1913]" captionTargetBox="[151,1436,345,1866]" captionTargetId="figure-96@5.[151,1436,345,1866]" captionTargetPageId="5" captionText="FIGURE 2. A. Holotype SAMA S2592 Nullarbora heptaxia sp. nov. B. Large anisochelae. C. Small anisochelae, D. Large mycalostyle. E. Magnified ends of the mycalostyle depicted in D. F. Small mycalostyle. G. Magnified ends of the mycalostyle depicted in F. H. Large sigma. I. Thin sigma. J. Sigmancistra." figureDoi="http://doi.org/10.5281/zenodo.4424981" httpUri="https://zenodo.org/record/4424981/files/figure.png" pageId="6" pageNumber="246">Figure 2 F, G</figureCitation>
,
<tableCitation id="C6C166EDFF88FF8A4240F82AFE7176E2" box="[329,413,1958,1984]" captionStart="TABLE 1" captionStartId="7.[151,239,151,175]" captionTargetPageId="7" captionText="TABLE 1. Measurements of spicules (presented as minimum-(mean)-maximum of lengths and widths in µm) for speci-" httpUri="http://table.plazi.org/id/DF3C03DEFF89FF8B439EFF1BFA71718D" pageId="6" pageNumber="246" tableUuid="DF3C03DEFF89FF8B439EFF1BFA71718D">Table 1</tableCitation>
). Very rarely the mycalostyles have some central or basal swelling, appearing as subtylostyles. Both styles occur in the stem, filaments and root-like processes of the sponge.
</paragraph>
<caption id="DF3C03DEFF89FF8B439EFF1BFA71718D" ID-Table-UUID="DF3C03DEFF89FF8B439EFF1BFA71718D" box="[151,1437,151,176]" httpUri="http://table.plazi.org/id/DF3C03DEFF89FF8B439EFF1BFA71718D" pageId="7" pageNumber="247" targetBox="[166,1353,228,481]" targetIsTable="true" targetPageId="7">
<paragraph id="8BFC5356FF89FF8B439EFF1BFA71718D" blockId="7.[151,1437,151,212]" box="[151,1437,151,176]" pageId="7" pageNumber="247">
<emphasis id="B9378F44FF89FF8B439EFF1BFEE8718D" bold="true" box="[151,260,151,175]" pageId="7" pageNumber="247">TABLE 1</emphasis>
. Measurements of spicules (presented as minimum-(mean)-maximum of lengths and widths in µm) for speci-
</paragraph>
</caption>
<paragraph id="8BFC5356FF89FF8B439EFF30FDC671F6" blockId="7.[151,1437,151,212]" box="[151,554,187,212]" pageId="7" pageNumber="247">
mens of
<taxonomicName id="4C4328D5FF89FF8B43FAFF37FE2271F1" authority="Ekins &amp; Erpenbeck &amp; Goudie &amp; Hooper, 2020" authorityName="Ekins &amp; Erpenbeck &amp; Goudie &amp; Hooper" authorityYear="2020" box="[243,462,187,211]" class="Demospongiae" family="Cladorhizidae" genus="Nullarbora" kingdom="Animalia" order="Poecilosclerida" pageId="7" pageNumber="247" phylum="Porifera" rank="species" species="heptaxia" status="sp. nov.">
<emphasis id="B9378F44FF89FF8B43FAFF37FE2271F1" box="[243,462,187,211]" italics="true" pageId="7" pageNumber="247">Nullarbora heptaxia</emphasis>
</taxonomicName>
<emphasis id="B9378F44FF89FF8B42DDFF30FDC671F6" bold="true" box="[468,554,188,212]" pageId="7" pageNumber="247">
<taxonomicNameLabel id="A204323FFF89FF8B42DDFF30FDC671F6" box="[468,554,188,212]" pageId="7" pageNumber="247" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</paragraph>
<paragraph id="8BFC5356FF89FF8B43AFFF68FAA570C3" pageId="7" pageNumber="247">
<table id="F943A1F6FF89007343AFFF68FAA570C3" box="[166,1353,228,481]" gridcols="4" gridrows="7" pageId="7" pageNumber="247" rowsContinueIn="7.[166,1409,570,823]">
<tr id="35735114FF89007343AFFF68FAA571DE" box="[166,1353,228,252]" gridrow="0" pageId="7" pageNumber="247">
<th id="76A23868FF89007343AFFF68FE7571DE" box="[166,409,228,252]" gridcol="0" gridrow="0" pageId="7" pageNumber="247">Specimen</th>
<th id="76A23868FF8900734117FF68FD0C71DE" box="[542,736,228,252]" gridcol="1" gridrow="0" pageId="7" pageNumber="247">Small anisochelae</th>
<th id="76A23868FF890073404EFF68FBE571DE" box="[839,1033,228,252]" gridcol="2" gridrow="0" pageId="7" pageNumber="247">Large anisochelae</th>
<th id="76A23868FF8900734768FF68FAA571DE" box="[1121,1353,228,252]" gridcol="3" gridrow="0" pageId="7" pageNumber="247">Large mycalostyles</th>
</tr>
<tr id="35735114FF89007343AFFE80FAA57006" box="[166,1353,268,292]" gridrow="1" pageId="7" pageNumber="247">
<th id="76A23868FF89007343AFFE80FE757006" box="[166,409,268,292]" gridcol="0" gridrow="1" pageId="7" pageNumber="247">SAMA S2592 Holotype</th>
<td id="76A23868FF8900734117FE80FD0C7006" box="[542,736,268,292]" gridcol="1" gridrow="1" pageId="7" pageNumber="247">23.2-(27.6)-31.2 x</td>
<td id="76A23868FF890073404EFE80FBE57006" box="[839,1033,268,292]" gridcol="2" gridrow="1" pageId="7" pageNumber="247">43.0-(56.9)-68.8 x</td>
<td id="76A23868FF8900734768FE80FAA57006" box="[1121,1353,268,292]" gridcol="3" gridrow="1" pageId="7" pageNumber="247">1630-(2391)-3050 x</td>
</tr>
<tr id="35735114FF89007343AFFEBCFAA5706A" box="[166,1353,304,328]" gridrow="2" pageId="7" pageNumber="247" rowspan-0="1">
<td id="76A23868FF8900734117FEBCFD0C706A" box="[542,736,304,328]" gridcol="1" gridrow="2" pageId="7" pageNumber="247">1.3-(2.4)-3.3, n=62</td>
<td id="76A23868FF890073404EFEBCFBE5706A" box="[839,1033,304,328]" gridcol="2" gridrow="2" pageId="7" pageNumber="247">1.5-(2.9)-3.8, n=57</td>
<td id="76A23868FF8900734768FEBCFAA5706A" box="[1121,1353,304,328]" gridcol="3" gridrow="2" pageId="7" pageNumber="247">23.3-(32.2)-53.2, n=79</td>
</tr>
<tr id="35735114FF89007343AFFED4FAA57053" box="[166,1353,344,369]" gridrow="3" pageId="7" pageNumber="247">
<th id="76A23868FF89007343AFFED4FE757053" box="[166,409,344,369]" gridcol="0" gridrow="3" pageId="7" pageNumber="247">SAMA S2593 Paratype</th>
<td id="76A23868FF8900734117FED4FD0C7053" box="[542,736,344,369]" gridcol="1" gridrow="3" pageId="7" pageNumber="247">22.1-(25.4)-28.7 x</td>
<td id="76A23868FF890073404EFED4FBE57053" box="[839,1033,344,369]" gridcol="2" gridrow="3" pageId="7" pageNumber="247">42.4-(51.6)-59.3 x</td>
<td id="76A23868FF8900734768FED4FAA57053" box="[1121,1353,344,369]" gridcol="3" gridrow="3" pageId="7" pageNumber="247">1590-(2304)-3070 x</td>
</tr>
<tr id="35735114FF89007343AFFEF0FAA570B6" box="[166,1353,380,404]" gridrow="4" pageId="7" pageNumber="247" rowspan-0="1">
<td id="76A23868FF8900734117FEF0FD0C70B6" box="[542,736,380,404]" gridcol="1" gridrow="4" pageId="7" pageNumber="247">1.2-(2.2)-3.4, n=61</td>
<td id="76A23868FF890073404EFEF0FBE570B6" box="[839,1033,380,404]" gridcol="2" gridrow="4" pageId="7" pageNumber="247">1.9-(2.8)-4.1, n=43</td>
<td id="76A23868FF8900734768FEF0FAA570B6" box="[1121,1353,380,404]" gridcol="3" gridrow="4" pageId="7" pageNumber="247">21.5-(34.0)-53.2, n=37</td>
</tr>
<tr id="35735114FF89007343AFFE28FAA5709F" box="[166,1353,420,445]" gridrow="5" pageId="7" pageNumber="247">
<th id="76A23868FF89007343AFFE28FE75709F" box="[166,409,420,445]" gridcol="0" gridrow="5" pageId="7" pageNumber="247">SAMA S2594 Paratype</th>
<td id="76A23868FF8900734117FE28FD0C709F" box="[542,736,420,445]" gridcol="1" gridrow="5" pageId="7" pageNumber="247">21.4-(24.7)-28.1 x</td>
<td id="76A23868FF890073404EFE28FBE5709F" box="[839,1033,420,445]" gridcol="2" gridrow="5" pageId="7" pageNumber="247">42.5-(50.4)-57.5 x</td>
<td id="76A23868FF8900734768FE28FAA5709F" box="[1121,1353,420,445]" gridcol="3" gridrow="5" pageId="7" pageNumber="247">1510-(2204)-3110 x</td>
</tr>
<tr id="35735114FF89007343AFFE44FAA570C3" box="[166,1353,456,481]" gridrow="6" pageId="7" pageNumber="247" rowspan-0="1">
<td id="76A23868FF8900734117FE44FD0C70C3" box="[542,736,456,481]" gridcol="1" gridrow="6" pageId="7" pageNumber="247">1.4-(2.0)-3.0, n=58</td>
<td id="76A23868FF890073404EFE44FBE570C3" box="[839,1033,456,481]" gridcol="2" gridrow="6" pageId="7" pageNumber="247">1.4-(2.6)-3.4, n=45</td>
<td id="76A23868FF8900734768FE44FAA570C3" box="[1121,1353,456,481]" gridcol="3" gridrow="6" pageId="7" pageNumber="247">21.5-(31.7)-56.4, n=39</td>
</tr>
</table>
</paragraph>
<caption id="DF3C03DEFF89FF8B439EFD9EFE77730B" box="[151,411,529,554]" pageId="7" pageNumber="247" targetBox="[166,1409,570,823]" targetIsTable="true" targetPageId="7">
<paragraph id="8BFC5356FF89FF8B439EFD9EFE77730B" blockId="7.[151,411,529,554]" box="[151,411,529,554]" pageId="7" pageNumber="247">TABLE 1. (Continued)</paragraph>
</caption>
<paragraph id="8BFC5356FF89FF8B43AFFDB6FA987215" pageId="7" pageNumber="247">
<table id="F943A1F6FF89007343AFFDB6FA6D7215" box="[166,1409,570,823]" gridcols="5" gridrows="7" pageId="7" pageNumber="247" rowsContinueFrom="7.[166,1353,228,481]">
<tr id="35735114FF89007343AFFDB6FA6D7371" box="[166,1409,570,595]" gridrow="0" pageId="7" pageNumber="247">
<th id="76A23868FF89007343AFFDB6FE757371" box="[166,409,570,595]" gridcol="0" gridrow="0" pageId="7" pageNumber="247">Specimen</th>
<th id="76A23868FF89007342C6FDB6FD477371" box="[463,683,570,595]" gridcol="1" gridrow="0" pageId="7" pageNumber="247">Small mycalostyles</th>
<th id="76A23868FF89007341E9FDB6FC427371" box="[736,942,570,595]" gridcol="2" gridrow="0" pageId="7" pageNumber="247">Large sigmas</th>
<th id="76A23868FF89007340DAFDB6FB767371" box="[979,1178,570,595]" gridcol="3" gridrow="0" pageId="7" pageNumber="247">Thin sigmas</th>
<th id="76A23868FF89007347B6FDB6FA6D7371" box="[1215,1409,570,595]" gridcol="4" gridrow="0" pageId="7" pageNumber="247">Sigmancistra</th>
</tr>
<tr id="35735114FF89007343AFFDEEFA6D7358" box="[166,1409,610,634]" gridrow="1" pageId="7" pageNumber="247">
<th id="76A23868FF89007343AFFDEEFE757358" box="[166,409,610,634]" gridcol="0" gridrow="1" pageId="7" pageNumber="247">SAMA S2592 Holotype</th>
<td id="76A23868FF89007342C6FDEEFD477358" box="[463,683,610,634]" gridcol="1" gridrow="1" pageId="7" pageNumber="247">426-(914)-1580 x</td>
<td id="76A23868FF89007341E9FDEEFC427358" box="[736,942,610,634]" gridcol="2" gridrow="1" pageId="7" pageNumber="247">72-(162)-229 x</td>
<td id="76A23868FF89007340DAFDEEFB767358" box="[979,1178,610,634]" gridcol="3" gridrow="1" pageId="7" pageNumber="247">61-(79)-102 x</td>
<td id="76A23868FF89007347B6FDEEFA6D7358" box="[1215,1409,610,634]" gridcol="4" gridrow="1" pageId="7" pageNumber="247">32-(37)-46 x</td>
</tr>
<tr id="35735114FF89007343AFFD0AFA6D73BC" box="[166,1409,646,670]" gridrow="2" pageId="7" pageNumber="247" rowspan-0="1">
<td id="76A23868FF89007342C6FD0AFD4773BC" box="[463,683,646,670]" gridcol="1" gridrow="2" pageId="7" pageNumber="247">6.3-(14.5)-24.0, n=49</td>
<td id="76A23868FF89007341E9FD0AFC4273BC" box="[736,942,646,670]" gridcol="2" gridrow="2" pageId="7" pageNumber="247">4.3-(7.7)-10.6, n=53</td>
<td id="76A23868FF89007340DAFD0AFB7673BC" box="[979,1178,646,670]" gridcol="3" gridrow="2" pageId="7" pageNumber="247">1.3-(2.4)-3.0, n=51</td>
<td id="76A23868FF89007347B6FD0AFA6D73BC" box="[1215,1409,646,670]" gridcol="4" gridrow="2" pageId="7" pageNumber="247">2.0-(3.0)-4.1, n=25</td>
</tr>
<tr id="35735114FF89007343AFFD22FA6D73E5" box="[166,1409,686,711]" gridrow="3" pageId="7" pageNumber="247">
<th id="76A23868FF89007343AFFD22FE7573E5" box="[166,409,686,711]" gridcol="0" gridrow="3" pageId="7" pageNumber="247">SAMA S2593 Paratype</th>
<td id="76A23868FF89007342C6FD22FD4773E5" box="[463,683,686,711]" gridcol="1" gridrow="3" pageId="7" pageNumber="247">520-(874)-1690 x</td>
<td id="76A23868FF89007341E9FD22FC4273E5" box="[736,942,686,711]" gridcol="2" gridrow="3" pageId="7" pageNumber="247">67-(141)-185 x</td>
<td id="76A23868FF89007340DAFD22FB7673E5" box="[979,1178,686,711]" gridcol="3" gridrow="3" pageId="7" pageNumber="247">67-(85)-103 x</td>
<td id="76A23868FF89007347B6FD22FA6D73E5" box="[1215,1409,686,711]" gridcol="4" gridrow="3" pageId="7" pageNumber="247">31-(36)-44 x</td>
</tr>
<tr id="35735114FF89007343AFFD5EFA6D73C9" box="[166,1409,722,747]" gridrow="4" pageId="7" pageNumber="247" rowspan-0="1">
<td id="76A23868FF89007342C6FD5EFD4773C9" box="[463,683,722,747]" gridcol="1" gridrow="4" pageId="7" pageNumber="247">9.4-(16.1)-22.2, n=30</td>
<td id="76A23868FF89007341E9FD5EFC4273C9" box="[736,942,722,747]" gridcol="2" gridrow="4" pageId="7" pageNumber="247">3.1-(8.0)-11.9, n=63</td>
<td id="76A23868FF89007340DAFD5EFB7673C9" box="[979,1178,722,747]" gridcol="3" gridrow="4" pageId="7" pageNumber="247">1.7-(2.5)-3.2, n=16</td>
<td id="76A23868FF89007347B6FD5EFA6D73C9" box="[1215,1409,722,747]" gridcol="4" gridrow="4" pageId="7" pageNumber="247">2.7-(3.2)-3.9, n=16</td>
</tr>
<tr id="35735114FF89007343AFFD77FA6D7231" box="[166,1409,763,787]" gridrow="5" pageId="7" pageNumber="247">
<th id="76A23868FF89007343AFFD77FE757231" box="[166,409,763,787]" gridcol="0" gridrow="5" pageId="7" pageNumber="247">SAMA S2594 Paratype</th>
<td id="76A23868FF89007342C6FD77FD477231" box="[463,683,763,787]" gridcol="1" gridrow="5" pageId="7" pageNumber="247">491-(794)-1410 x</td>
<td id="76A23868FF89007341E9FD77FC427231" box="[736,942,763,787]" gridcol="2" gridrow="5" pageId="7" pageNumber="247">58-(148)-199 x</td>
<td id="76A23868FF89007340DAFD77FB767231" box="[979,1178,763,787]" gridcol="3" gridrow="5" pageId="7" pageNumber="247">72-(88)-106 x</td>
<td id="76A23868FF89007347B6FD77FA6D7231" box="[1215,1409,763,787]" gridcol="4" gridrow="5" pageId="7" pageNumber="247">33-(36)-40 x</td>
</tr>
<tr id="35735114FF89007343AFFC93FA6D7215" box="[166,1409,799,823]" gridrow="6" pageId="7" pageNumber="247" rowspan-0="1">
<td id="76A23868FF89007342C6FC93FD477215" box="[463,683,799,823]" gridcol="1" gridrow="6" pageId="7" pageNumber="247">9.4-(14.6)-18.9, n=25</td>
<td id="76A23868FF89007341E9FC93FC427215" box="[736,942,799,823]" gridcol="2" gridrow="6" pageId="7" pageNumber="247">3.3-(7.2)-11, n=65</td>
<td id="76A23868FF89007340DAFC93FB767215" box="[979,1178,799,823]" gridcol="3" gridrow="6" pageId="7" pageNumber="247">1.5-(2.4)-3.5, n=28</td>
<td id="76A23868FF89007347B6FC93FA6D7215" box="[1215,1409,799,823]" gridcol="4" gridrow="6" pageId="7" pageNumber="247">2.1-(3.1)-3.7, n=6</td>
</tr>
</table>
</paragraph>
<paragraph id="8BFC5356FF89FF8B43CEFCEAFD1B755F" blockId="7.[151,1437,870,1473]" pageId="7" pageNumber="247">
<emphasis id="B9378F44FF89FF8B43CEFCEAFEBB72A2" box="[199,343,870,896]" italics="true" pageId="7" pageNumber="247">Microscleres</emphasis>
: Microscleres consist of two different
<typeStatus id="54F8EDF4FF89FF8B401FFCEBFCBD72A3" box="[790,849,871,897]" pageId="7" pageNumber="247">types</typeStatus>
of anisochelae, and three different
<typeStatus id="54F8EDF4FF89FF8B47E3FCEBFAC972A3" box="[1258,1317,871,897]" pageId="7" pageNumber="247">types</typeStatus>
of sigmas (see
<figureCitation id="13784FD3FF89FF8B43C4FC06FEC07286" box="[205,300,906,932]" captionStart="FIGURE 2" captionStartId="5.[151,250,1889,1913]" captionTargetBox="[151,1436,345,1866]" captionTargetId="figure-96@5.[151,1436,345,1866]" captionTargetPageId="5" captionText="FIGURE 2. A. Holotype SAMA S2592 Nullarbora heptaxia sp. nov. B. Large anisochelae. C. Small anisochelae, D. Large mycalostyle. E. Magnified ends of the mycalostyle depicted in D. F. Small mycalostyle. G. Magnified ends of the mycalostyle depicted in F. H. Large sigma. I. Thin sigma. J. Sigmancistra." figureDoi="http://doi.org/10.5281/zenodo.4424981" httpUri="https://zenodo.org/record/4424981/files/figure.png" pageId="7" pageNumber="247">Figure 2</figureCitation>
and
<tableCitation id="C6C166EDFF89FF8B426CFC06FE557286" box="[357,441,906,932]" captionStart="TABLE 1" captionStartId="7.[151,239,151,175]" captionTargetPageId="7" captionText="TABLE 1. Measurements of spicules (presented as minimum-(mean)-maximum of lengths and widths in µm) for speci-" httpUri="http://table.plazi.org/id/DF3C03DEFF89FF8B439EFF1BFA71718D" pageId="7" pageNumber="247" tableUuid="DF3C03DEFF89FF8B439EFF1BFA71718D">Table 1</tableCitation>
). The larger anisochelae (size range 42–69 x
<quantity id="4CBBFEB3FF89FF8B40CDFC06FBDE7287" box="[964,1074,906,933]" metricMagnitude="-3" metricUnit="m" metricValue="2.75" metricValueMax="4.0" metricValueMin="1.5" pageId="7" pageNumber="247" unit="mm" value="2.75" valueMax="4.0" valueMin="1.5">1.5–4 µm</quantity>
) have five upper alae, the three frontal alae being nearly completely detached and the two lateral alae completely fused to the shaft; whereas the five lower alae are unguiferate anchorate. The smaller unguiferate anchorate anisochelae (size range 21–31 x
<quantity id="4CBBFEB3FF89FF8B4632FC5EFA7872CF" box="[1339,1428,978,1005]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" metricValueMax="3.0" metricValueMin="1.0" pageId="7" pageNumber="247" unit="mm" value="2.0" valueMax="3.0" valueMin="1.0">1–3 µm</quantity>
) have both upper and lower alae, with five teeth on the upper alae, and three teeth on the lower alae. Both the larger sigmas and thinner sigmas are c-shaped, the large sigmas are slightly contort, whilst the thin sigmas have a 90
<superScript id="7C36FE1EFF89FF8B4658FB96FAB5750A" attach="left" box="[1361,1369,1050,1064]" fontSize="6" pageId="7" pageNumber="247">o</superScript>
bend. The size ranges of the large and thin sigmas are 58–229 x
<quantity id="4CBBFEB3FF89FF8B402CFBB2FC4D757B" box="[805,929,1086,1113]" metricMagnitude="-3" metricUnit="m" metricValue="7.75" metricValueMax="12.0" metricValueMin="3.5" pageId="7" pageNumber="247" unit="mm" value="7.75" valueMax="12.0" valueMin="3.5">3.5–12 µm</quantity>
, and 61–106 x
<quantity id="4CBBFEB3FF89FF8B4744FBB2FB50757B" box="[1101,1212,1086,1113]" metricMagnitude="-3" metricUnit="m" metricValue="2.25" metricValueMax="3.5" metricValueMin="1.0" pageId="7" pageNumber="247" unit="mm" value="2.25" valueMax="3.5" valueMin="1.0">1–3.5 µm</quantity>
, respectively. There are also uncommon sigmancistras of 31–46 x
<quantity id="4CBBFEB3FF89FF8B4190FBEEFD1F755F" box="[665,755,1122,1149]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" metricValueMax="4.0" metricValueMin="2.0" pageId="7" pageNumber="247" unit="mm" value="3.0" valueMax="4.0" valueMin="2.0">2–4 µm</quantity>
.
</paragraph>
<paragraph id="8BFC5356FF89FF8B43CEFB0AFDBC7582" blockId="7.[151,1437,870,1473]" box="[199,592,1158,1185]" pageId="7" pageNumber="247">
<emphasis id="B9378F44FF89FF8B43CEFB0AFE927582" bold="true" box="[199,382,1158,1184]" pageId="7" pageNumber="247">Molecular data</emphasis>
: 28S see
<figureCitation id="13784FD3FF89FF8B42E2FB0AFDA67582" box="[491,586,1158,1184]" captionStart="FIGURE 1" captionStartId="2.[151,250,1868,1892]" captionTargetBox="[270,1319,188,1841]" captionTargetId="figure-18@2.[257,1330,181,1844]" captionTargetPageId="2" captionText="FIGURE 1. 28S C-region maximum-likelihood phylogram. Numbers on branches are bootstrap probabilities&gt; 50. Numbers following taxon names are QM collection numbers or Genbank accession numbers in case of previously published taxa. The scale bar depicts substitutions per site. The icons indicate gross morphological types. The chelae on the right column indicate the major chelae types for the generic groupings. The coloured bars indicate those genera previously included within Cladorhiza, separated by morphological differences and oceans." figureDoi="http://doi.org/10.5281/zenodo.4424979" httpUri="https://zenodo.org/record/4424979/files/figure.png" pageId="7" pageNumber="247">Figure 1</figureCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C35900DDFF89FF8B43CEFB26FC2574E2" pageId="7" pageNumber="247" type="discussion">
<paragraph id="8BFC5356FF89FF8B43CEFB26FC2574E2" blockId="7.[151,1437,870,1473]" pageId="7" pageNumber="247">
<emphasis id="B9378F44FF89FF8B43CEFB26FED875E6" bold="true" box="[199,308,1194,1220]" pageId="7" pageNumber="247">Remarks</emphasis>
: This species is unique amongst the Cladorhizdae having stipitate bottle-brush growth form and having two very different anisochelae morphologies, the larger with palmate upper and unguiferate lower alae, and the smaller with unguiferate upper and lower alae. Morphology is not well known for many species as they are often damaged on collection. These anisochelae differentiate
<taxonomicName id="4C4328D5FF89FF8B400BFA9BFC6E7412" authority="Ekins &amp; Erpenbeck &amp; Goudie &amp; Hooper, 2020" authorityName="Ekins &amp; Erpenbeck &amp; Goudie &amp; Hooper" authorityYear="2020" box="[770,898,1302,1328]" class="Demospongiae" family="Cladorhizidae" genus="Nullarbora" kingdom="Animalia" order="Poecilosclerida" pageId="7" pageNumber="247" phylum="Porifera" rank="species" species="heptaxia" status="sp. nov.">
<emphasis id="B9378F44FF89FF8B400BFA9BFC6E7412" box="[770,898,1302,1328]" italics="true" pageId="7" pageNumber="247">N. heptaxia</emphasis>
</taxonomicName>
<emphasis id="B9378F44FF89FF8B4080FA9AFC0D7412" bold="true" box="[905,993,1302,1328]" pageId="7" pageNumber="247">
<taxonomicNameLabel id="A204323FFF89FF8B4080FA9AFC0D7412" box="[905,993,1302,1328]" pageId="7" pageNumber="247" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
from four morphologically similar species.
<taxonomicName id="4C4328D5FF89FF8B43D8FAB6FCE47476" authority="(Ridley &amp; Dendy, 1887)" baseAuthorityName="Ridley &amp; Dendy" baseAuthorityYear="1887" box="[209,776,1338,1364]" class="Demospongiae" family="Cladorhizidae" genus="Nullarbora" kingdom="Animalia" order="Poecilosclerida" pageId="7" pageNumber="247" phylum="Porifera" rank="species" species="rectangularis">
<emphasis id="B9378F44FF89FF8B43D8FAB6FE017476" box="[209,493,1338,1364]" italics="true" pageId="7" pageNumber="247">Nullarbora rectangularis</emphasis>
(
<bibRefCitation id="EFD22EA7FF89FF8B42F5FAB6FCEC7476" author="Ridley, S. O. &amp; Dendy, A." box="[508,768,1338,1364]" pageId="7" pageNumber="247" refId="ref16131" refString="Ridley, S. O. &amp; Dendy, A. (1887) Report on the Monaxonida collected by H. M. S. Challenger during the years 1873 - 1876. Report on the Scientific Results of the Voyage of H. M. S. ' Challenger', 1873 - 1876. Zoology, 20 (59), i-lxviii + 1 - 275, pls. I-LI, 1 map." type="book" year="1887">Ridley &amp; Dendy, 1887</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="4C4328D5FF89FF8B401DFAB7FAE67476" authority="(Lundsten, Reiswig &amp; Austin, 2014)" baseAuthorityName="Lundsten, Reiswig &amp; Austin" baseAuthorityYear="2014" box="[788,1290,1338,1364]" class="Demospongiae" family="Cladorhizidae" genus="Nullarbora" kingdom="Animalia" order="Poecilosclerida" pageId="7" pageNumber="247" phylum="Porifera" rank="species" species="evae">
<emphasis id="B9378F44FF89FF8B401DFAB7FC847476" box="[788,872,1339,1364]" italics="true" pageId="7" pageNumber="247">N. evae</emphasis>
(
<bibRefCitation id="EFD22EA7FF89FF8B407EFAB6FAEE7476" author="Lundsten, L. &amp; Reiswig, H. M. &amp; Austin, W. C." box="[887,1282,1338,1364]" pageId="7" pageNumber="247" pagination="101 - 123" refId="ref15275" refString="Lundsten, L., Reiswig, H. M. &amp; Austin, W. C. (2014) Four new species of Cladorhizidae (Porifera, Demospongiae, Poecilosclerida) from the Northeast Pacific. Zootaxa, 3786 (2), 101 - 123. https: // doi. org / 10.11646 / zootaxa. 3786.2.1" type="journal article" year="2014">Lundsten, Reiswig &amp; Austin, 2014</bibRefCitation>
)
</taxonomicName>
(both have a single size category of multidentate unguiferate anchorate anisochelae),
<taxonomicName id="4C4328D5FF89FF8B40C3FAD3FF3574BE" authority="(Lundsten, Reiswig &amp; Austin, 2014)" baseAuthorityName="Lundsten, Reiswig &amp; Austin" baseAuthorityYear="2014" class="Demospongiae" family="Cladorhizidae" genus="Nullarbora" kingdom="Animalia" order="Poecilosclerida" pageId="7" pageNumber="247" phylum="Porifera" rank="species" species="caillieti">
<emphasis id="B9378F44FF89FF8B40C3FAD3FBAE745A" box="[970,1090,1374,1400]" italics="true" pageId="7" pageNumber="247">N. caillieti</emphasis>
(
<bibRefCitation id="EFD22EA7FF89FF8B4758FAD2FF3D74BE" author="Lundsten, L. &amp; Reiswig, H. M. &amp; Austin, W. C." pageId="7" pageNumber="247" pagination="101 - 123" refId="ref15275" refString="Lundsten, L., Reiswig, H. M. &amp; Austin, W. C. (2014) Four new species of Cladorhizidae (Porifera, Demospongiae, Poecilosclerida) from the Northeast Pacific. Zootaxa, 3786 (2), 101 - 123. https: // doi. org / 10.11646 / zootaxa. 3786.2.1" type="journal article" year="2014">Lundsten, Reiswig &amp; Austin, 2014</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="4C4328D5FF89FF8B421DFA0FFC8874BE" authority="(Ekins, Erpenbeck &amp; Hooper, 2020)" baseAuthorityName="Ekins, Erpenbeck &amp; Hooper" baseAuthorityYear="2020" box="[276,868,1410,1437]" class="Demospongiae" family="Cladorhizidae" genus="Nullarbora" kingdom="Animalia" order="Poecilosclerida" pageId="7" pageNumber="247" phylum="Porifera" rank="species" species="investigator">
<emphasis id="B9378F44FF89FF8B421DFA0FFE5074BE" box="[276,444,1411,1436]" italics="true" pageId="7" pageNumber="247">N. investigator</emphasis>
(
<bibRefCitation id="EFD22EA7FF89FF8B42C4FA0EFCB074BE" author="Ekins, M. &amp; Erpenbeck, D. &amp; Hooper, J. N. A." box="[461,860,1410,1437]" pageId="7" pageNumber="247" pagination="1 - 159" refId="ref13406" refString="Ekins, M., Erpenbeck, D. &amp; Hooper, J. N. A. (2020) Carnivorous sponges from the Australian Bathyal and Abyssal zones collected during the RV Investigator 2017 Expedition. Zootaxa, 4774 (1), 1 - 159. https: // doi. org / 10.11646 / zootaxa. 4774.1.1" type="journal article" year="2020">Ekins, Erpenbeck &amp; Hooper, 2020</bibRefCitation>
)
</taxonomicName>
have two size categories of anisochelae but have unguiferate anchorate (see
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Table
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</tableCitation>
in
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).
</paragraph>
</subSubSection>
</treatment>
</document>
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