501 lines
70 KiB
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501 lines
70 KiB
XML
<document ID-CLB-Dataset="4254" ID-DOI="http://dx.doi.org/10.3897/zookeys.1060.63307" ID-GBIF-Dataset="f9016c3e-0e69-45a0-a15f-8152ad827fd8" ID-PMC="PMC8463523" ID-Pensoft-Pub="1313-2970-1060-33" ID-Pensoft-UUID="60F647D3A76F5244AB88271A5808D0BF" ID-PubMed="34616203" ID-ZooBank="9CF1AD759AD34890A7B359BEDA505C0D" ModsDocID="1313-2970-1060-33" checkinTime="1631884280027" checkinUser="pensoft" docAuthor="Reiswig, Henry M., Dohrmann, Martin, Kelly, Michelle, Mills, Sadie, Schupp, Peter J. & Woerheide, Gert" docDate="2021" docId="44B4A7D7A3735F1C8A3E1ABDD7800305" docLanguage="en" docName="ZooKeys 1060: 33-84" docOrigin="ZooKeys 1060" docPubDate="2021-09-17" docSource="http://dx.doi.org/10.3897/zookeys.1060.63307" docTitle="Scyphidium australiense Tabachnick, Janussen & Menschenina 2008" docType="treatment" docVersion="8" id="60F647D3A76F5244AB88271A5808D0BF" lastPageNumber="33" masterDocId="60F647D3A76F5244AB88271A5808D0BF" masterDocTitle="Rossellid glass sponges (Porifera, Hexactinellida) from New Zealand waters, with description of one new genus and six new species" masterLastPageNumber="84" masterPageNumber="33" pageNumber="33" updateTime="1732685424093" updateUser="ExternalLinkService">
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<mods:title id="EC1760B84701893FF4B18F9F7809DBC9">Rossellid glass sponges (Porifera, Hexactinellida) from New Zealand waters, with description of one new genus and six new species</mods:title>
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<mods:name id="5D76BD3B1A9C1E3FE1EA0F7BA32DB19E" type="personal">
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<mods:namePart id="D8E952D223BFAF6BC4CA848F6027CADE">Reiswig, Henry M.</mods:namePart>
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<mods:affiliation id="702D425C98F9E541207FF9EACB278ADB">Biology Department, University of Victoria, Victoria, British Columbia, Canada</mods:affiliation>
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<mods:namePart id="40A1CC811BB977607743437FEA1CED3C">Dohrmann, Martin</mods:namePart>
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<mods:affiliation id="4FC370D9F37EFC93BFA6D88698BFBE0C">Department of Earth and Environmental Sciences, Palaeontology and Geobiology, Ludwig-Maximilians-Universitaet Muenchen, Muenchen, Germany</mods:affiliation>
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<mods:nameIdentifier id="FF11AB51EFE0F1648AFDD820AE8EF258" type="email">m.dohrmann@lrz.uni-muenchen.de</mods:nameIdentifier>
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<mods:namePart id="4D63D08CBDD6B440FFEA830D9962F489">Kelly, Michelle</mods:namePart>
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<mods:affiliation id="2559D71DD711FD9A45AA0F579EFE87B2">Coasts and Oceans National Centre, National Institute of Water and Atmospheric Research, Auckland, New Zealand</mods:affiliation>
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<mods:namePart id="B2524EF3662FBE7175EF5226F393E37A">Mills, Sadie</mods:namePart>
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<mods:affiliation id="A68793223D9F588AA2AE73F2411BFF70">NIWA Invertebrate Collection, National Institute of Water and Atmospheric Research, Wellington, New Zealand</mods:affiliation>
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<mods:namePart id="1E16C876093010EB63A64A0099A3A692">Schupp, Peter J.</mods:namePart>
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<mods:affiliation id="CA3A58F01CBB99694A11A278DA4BB369">ICBM Terramare, University of Oldenburg, Wilhelmshaven, Germany & Helmholtz Institute for Functional Marine Biodiversity at the University of Oldenburg (HIFMB), Oldenburg, Germany</mods:affiliation>
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<mods:namePart id="C0715B1829FA1C99AD690DB016E9A4CA">Woerheide, Gert</mods:namePart>
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<mods:affiliation id="7538729651099B485E326D4D723FD6D7">Department of Earth and Environmental Sciences, Palaeontology and Geobiology, Ludwig-Maximilians-Universitaet Muenchen, Muenchen, Germany & SNSB - Bayerische Staatssammlung fuer Palaeontologie und Geologie, Muenchen, Germany & GeoBio-Center, Ludwig-Maximilians-Universitaet, Muenchen, Germany</mods:affiliation>
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<mods:date id="7268098D9424931CC3A611AB97DC02CE">2021</mods:date>
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<treatment id="44B4A7D7A3735F1C8A3E1ABDD7800305" ID-GBIF-Taxon="188067133" LSID="urn:lsid:plazi:treatment:44B4A7D7A3735F1C8A3E1ABDD7800305" httpUri="http://treatment.plazi.org/id/44B4A7D7A3735F1C8A3E1ABDD7800305" lastPageNumber="33" pageId="0" pageNumber="33" scope_class="Hexactinellida" scope_family="Rossellidae" scope_order="Lyssacinosida" scope_phylum="Porifera" scope_subClass="Hexasterophora" scope_subFamily="Rossellinae">
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<subSubSection id="227BB06D0D6381B400F95897D164C46F" pageId="0" pageNumber="33" type="nomenclature">
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<paragraph id="7B5EC96289E6FF2838C074FC47162A87" pageId="0" pageNumber="33">
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<taxonomicName id="4CCC1AB176C66D5497DB0030F18284A9" ID-CoL="4W5HG" LSID="44B4A7D7-A373-5F1C-8A3E-1ABDD7800305" authority="Tabachnick, Janussen & Menschenina, 2008" authorityName="Tabachnick, Janussen & Menschenina" authorityYear="2008" class="Hexactinellida" family="Rossellidae" genus="Scyphidium" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Scyphidium australiense" order="Lyssacinosida" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="australiense">Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="2250ECAD8904D525D149925885BCC447" pageId="0" pageNumber="33" type="description">
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<paragraph id="2908E24112AF867F971073BD95382D64" pageId="0" pageNumber="33">
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<figureCitation id="E24369F6C669CEB5E0B72F3F8F21F58A" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, distribution, skeleton and morphology A distribution in New Zealand waters, holotype as open circle, new specimen as filled circle B new specimen in situ (scale bar is approximate) C deck image (two sides, image by PJS) D osculum, deck image (by PJS) E preserved conulose outer surface of the lower body with prostal diactins F preserved wall section of the mid-body without conules G preserved dermal surface with intact pentactin lattice H preserved atrial surface with hexactins displaced from the atrial lattice. Image B captured by ROV Team GEOMAR, ROV Kiel 6000 onboard RV Sonne (voyage SO 254), courtesy of Project PoribacNewZ, GEOMAR, and ICBM." figureDoi="10.3897/zookeys.1060.63307.figure8" httpUri="https://binary.pensoft.net/fig/589688" pageId="0" pageNumber="33">Figs 8</figureCitation>
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<figureCitation id="51FFFEBB85F3595B4163FD25A9F499FB" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules A prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends B choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings C dermalium: pentactin, whole and enlarged tips D atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium E spheres as small group of whole ones and one enlarged F Caulophacus discohexaster 1, whole and enlarged terminal ray end G Caulophacus discohexaster 2, whole and enlarged part of one ray tuft H oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts." figureDoi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33">, 9</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="A2522609D35CD8BF3064590D1B07E0BE" pageId="0" pageNumber="33" type="notes">
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<paragraph id="056C3135BE2E80BED8815591A10D50F0" pageId="0" pageNumber="33">Note.</paragraph>
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<paragraph id="AD4F250F19A01C7F4BD1E26C9FDC5FEE" pageId="0" pageNumber="33">
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From the ending of its name,
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<taxonomicName id="0C8017F2FE34E02A15C76474E9678463" authorityName="Schulze" authorityYear="1900" class="Hexactinellida" family="Rossellidae" genus="Scyphidium" kingdom="Animalia" lsidName="Scyphidium" order="Lyssacinosida" pageId="0" pageNumber="33" phylum="Porifera" rank="genus">
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<emphasis id="BDA4BF04EC26B1A4120B5E86CC842E78" italics="true" pageId="0" pageNumber="33">Scyphidium</emphasis>
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</taxonomicName>
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is a neuter noun, and thus
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<taxonomicName id="0880F505B814FFBB671DCD8958252CB6" kingdom="Animalia" lsidName="S. australiensis" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="australiensis">
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<emphasis id="4CB072C7C86D83FF44FEB9C751C9710C" italics="true" pageId="0" pageNumber="33">S. australiensis</emphasis>
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</taxonomicName>
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(as originally named by
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<bibRefCitation id="95DD17399D1C480DF145F6DEC33286C5" DOI="https://doi.org/10.11646/zootaxa.1866.1.3" author="Tabachnick, KR" journalOrPublisher="Zootaxa" pageId="0" pageNumber="33" pagination="7 - 68" refId="B38" refString="Tabachnick, KR, Janussen, D, Menschenina, LL, 2008. New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum. Zootaxa 1866: 7 - 68, DOI: https://doi.org/10.11646/zootaxa.1866.1.3" title="New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum." url="https://doi.org/10.11646/zootaxa.1866.1.3" volume="1866" year="2008">Tabachnick et al. 2008</bibRefCitation>
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) should be
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<taxonomicName id="5C0C713BF7A59B6B8097914852C901E7" kingdom="Animalia" lsidName="S. australiense" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="australiense">
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<emphasis id="3410F8C5F525ACB216DFF070696F9B1D" italics="true" pageId="0" pageNumber="33">S. australiense</emphasis>
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</taxonomicName>
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. This is borne out by the names of conspecifics that are also adjectives (e.g.,
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<taxonomicName id="AAB26D2F00647730BFBF479B9A21B046" kingdom="Animalia" lsidName="S. chilense" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="chilense">
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<emphasis id="4AB2286F87BCA2113AF4159DC30536AB" italics="true" pageId="0" pageNumber="33">S. chilense</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="6DB700915EDD06142330A7C485CEA39F" kingdom="Animalia" lsidName="S. septentrionale" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="septentrionale">
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<emphasis id="1E2B0517B7CEA9600D811A7427C7F9A8" italics="true" pageId="0" pageNumber="33">S. septentrionale</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="0DD46A6C255793615C5530E0E3B32AF3" kingdom="Animalia" lsidName="S. tuberculatum" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="tuberculatum">
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<emphasis id="1336D87A1081FCC2A35A6B3D5A14E355" italics="true" pageId="0" pageNumber="33">S. tuberculatum</emphasis>
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</taxonomicName>
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) (J. Rosser, pers. comm.). We hereby make that change and use the corrected name throughout this work.
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</paragraph>
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</subSubSection>
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<subSubSection id="7A0863C314C08880032C9C073FFF80A1" pageId="0" pageNumber="33" type="type and locality (not examined)">
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<paragraph id="2E6B45537F4D9F9815C5C6EEDF407A45" pageId="0" pageNumber="33">Type and locality (not examined).</paragraph>
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<paragraph id="A839A6BCCA2D74B017C7A0446CCC10A8" pageId="0" pageNumber="33">
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Holotype - NIWA 155561, RV Sonne Stn SO17/80 (NZOI Stn Z3951B), Chatham Rise,
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<geoCoordinate id="D48C035BFDF79B122948184CF1FADC84" degrees="43.553" direction="south" orientation="latitude" precision="55" value="-43.553">43.553°S</geoCoordinate>
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,
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<geoCoordinate id="294B0C0E03883C8A3AA44C63636A4493" degrees="179.457" direction="east" orientation="longitude" precision="55" value="179.457">179.457°E</geoCoordinate>
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, 409 m, 10 Apr 1981 [Originally cited in
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<bibRefCitation id="F3DE174948DA5D9D19A51A88AC8AB5D9" DOI="https://doi.org/10.11646/zootaxa.1866.1.3" author="Tabachnick, KR" journalOrPublisher="Zootaxa" pageId="0" pageNumber="33" pagination="7 - 68" refId="B38" refString="Tabachnick, KR, Janussen, D, Menschenina, LL, 2008. New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum. Zootaxa 1866: 7 - 68, DOI: https://doi.org/10.11646/zootaxa.1866.1.3" title="New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum." url="https://doi.org/10.11646/zootaxa.1866.1.3" volume="1866" year="2008">Tabachnick et al. (2008)</bibRefCitation>
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as WAM (p14), RV Soela Stn SO 17-80, 43°33.10'-33.05'S, 179°27.25'-27.08'E, depth unknown].
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</paragraph>
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</subSubSection>
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<subSubSection id="7A4E355B944E534082ACFEFAF7EA388D" pageId="0" pageNumber="33" type="materials_examined">
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<paragraph id="13B2CB15E12C179CA1BC4A754CD4B3C7" pageId="0" pageNumber="33">Material examined.</paragraph>
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<paragraph id="48A37170E0236E12D01032222C4123C8" pageId="0" pageNumber="33">
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NIWA 126237, RV Sonne, Stn SO254/77ROV14_BIOBOX02, Pegasus Canyon slope, off Christchurch shelf,
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<geoCoordinate id="94BE6E07E224CF5BFD33CF15AA99D3E7" degrees="43.2927361" direction="south" orientation="latitude" precision="1" value="-43.292736">43.2927361°S</geoCoordinate>
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,
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<geoCoordinate id="17D0696A8156F265C22211ADC894864B" degrees="173.6066742" direction="east" orientation="longitude" precision="1" value="173.60667">173.6066742°E</geoCoordinate>
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,
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<quantity id="5073C44B7D6E10EBF29F75B9D7C23ED3" metricMagnitude="2" metricUnit="m" metricValue="8.53" unit="m" value="853.0">853 m</quantity>
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,
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<date id="31033DE56361FBA6A975CB24808B7A85" value="2017-02-20">20 Feb 2017</date>
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.
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||
</paragraph>
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||
</subSubSection>
|
||
<subSubSection id="9D8ABF24DFD0C2BAEB342437BCA6EEA6" pageId="0" pageNumber="33" type="distribution">
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<paragraph id="4C93664317C3D801071CFC2E62FE48C2" pageId="0" pageNumber="33">Distribution.</paragraph>
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<paragraph id="9234FCC2E19CC7A844102EE80098E64A" pageId="0" pageNumber="33">
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Chatham Rise and Pegasus Canyon slope, off Christchurch shelf Christchurch shelf, New Zealand (Fig.
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<figureCitation id="F6EC31DAE561E6185F4DD21F4094AF49" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, distribution, skeleton and morphology A distribution in New Zealand waters, holotype as open circle, new specimen as filled circle B new specimen in situ (scale bar is approximate) C deck image (two sides, image by PJS) D osculum, deck image (by PJS) E preserved conulose outer surface of the lower body with prostal diactins F preserved wall section of the mid-body without conules G preserved dermal surface with intact pentactin lattice H preserved atrial surface with hexactins displaced from the atrial lattice. Image B captured by ROV Team GEOMAR, ROV Kiel 6000 onboard RV Sonne (voyage SO 254), courtesy of Project PoribacNewZ, GEOMAR, and ICBM." figureDoi="10.3897/zookeys.1060.63307.figure8" httpUri="https://binary.pensoft.net/fig/589688" pageId="0" pageNumber="33">8A</figureCitation>
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||
).
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</paragraph>
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||
<caption id="BF38E88F2487048459227498C4D04650" doi="10.3897/zookeys.1060.63307.figure8" httpUri="https://binary.pensoft.net/fig/589688" pageId="0" pageNumber="33" start="Figure 8" startId="F8">
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<paragraph id="EC34C7D97E108312B5F07627CC63D744" pageId="0" pageNumber="33">
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<emphasis id="052CB17F58BE65089B94283EFFEAEA5D" bold="true" pageId="0" pageNumber="33">Figure 8.</emphasis>
|
||
<taxonomicName id="362D3E2FEDE90FCF6E461FBA9B848FE4" authorityName="Tabachnick, Janussen & Menschenina" authorityYear="2008" class="Hexactinellida" family="Rossellidae" genus="Scyphidium" kingdom="Animalia" lsidName="Scyphidium australiense" order="Lyssacinosida" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="australiense">
|
||
<emphasis id="9F99594B59BE2845915DC5DDC7CE9637" italics="true" pageId="0" pageNumber="33">Scyphidium australiense</emphasis>
|
||
</taxonomicName>
|
||
Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, distribution, skeleton and morphology
|
||
<emphasis id="C04E584A7C0E0D92732D8F66AA93B4E2" bold="true" pageId="0" pageNumber="33">A</emphasis>
|
||
distribution in New Zealand waters, holotype as open circle, new specimen as filled circle
|
||
<emphasis id="47F36C6DC7AE81CA47D8676F7E592ABE" bold="true" pageId="0" pageNumber="33">B</emphasis>
|
||
new specimen in situ (scale bar is approximate)
|
||
<emphasis id="F13099FC8CD88989F385E2195C42CA0D" bold="true" pageId="0" pageNumber="33">C</emphasis>
|
||
deck image (two sides, image by PJS)
|
||
<emphasis id="36438DDE326F4F59AF15AA2DBD706B79" bold="true" pageId="0" pageNumber="33">D</emphasis>
|
||
osculum, deck image (by PJS)
|
||
<emphasis id="497F0A70068FC836F4EBB3F6B5F958E0" bold="true" pageId="0" pageNumber="33">E</emphasis>
|
||
preserved conulose outer surface of the lower body with prostal diactins
|
||
<emphasis id="98647365E90616FB9EEF987B789B21B6" bold="true" pageId="0" pageNumber="33">F</emphasis>
|
||
preserved wall section of the mid-body without conules
|
||
<emphasis id="745299C244C91A9E3ACA51A31BDC8D53" bold="true" pageId="0" pageNumber="33">G</emphasis>
|
||
preserved dermal surface with intact pentactin lattice
|
||
<emphasis id="4ED59E2BDE819C6E98FE0FB52E351F4A" bold="true" pageId="0" pageNumber="33">H</emphasis>
|
||
preserved atrial surface with hexactins displaced from the atrial lattice. Image
|
||
<emphasis id="EEE48614E77E638FC6C5CAC0E45E364F" bold="true" pageId="0" pageNumber="33">B</emphasis>
|
||
captured by ROV Team GEOMAR, ROV Kiel 6000 onboard RV Sonne (voyage SO254), courtesy of Project PoribacNewZ, GEOMAR, and ICBM.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="A38E6E8195C30B4DF5E524E451E4AA51" pageId="0" pageNumber="33" type="habitat">
|
||
<paragraph id="BFE71D783AE5DA1750DD2C872982F2BD" pageId="0" pageNumber="33">Habitat.</paragraph>
|
||
<paragraph id="9B45113D74F3FF3E5D188FEFF8064A1D" pageId="0" pageNumber="33">Attached to hard substratum; depth 409-853 m.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="E80513049DB08DB35811DDCBA9AAF88E" pageId="0" pageNumber="33" type="description">
|
||
<paragraph id="7275C0BD0DBD4271EF8F80AA6F2AEAA5" pageId="0" pageNumber="33">Description.</paragraph>
|
||
<paragraph id="40A078052295A54ED0673D5EC504FED8" pageId="0" pageNumber="33">
|
||
Body form is a heavy-looking, thick-walled, club-shaped, pendant sponge with a narrow basal attachment, widening gradually to a hemispherical rounded terminal end (Fig.
|
||
<figureCitation id="9B0F8A8A37655B59CA6E1ED174A6FF7D" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, distribution, skeleton and morphology A distribution in New Zealand waters, holotype as open circle, new specimen as filled circle B new specimen in situ (scale bar is approximate) C deck image (two sides, image by PJS) D osculum, deck image (by PJS) E preserved conulose outer surface of the lower body with prostal diactins F preserved wall section of the mid-body without conules G preserved dermal surface with intact pentactin lattice H preserved atrial surface with hexactins displaced from the atrial lattice. Image B captured by ROV Team GEOMAR, ROV Kiel 6000 onboard RV Sonne (voyage SO 254), courtesy of Project PoribacNewZ, GEOMAR, and ICBM." figureDoi="10.3897/zookeys.1060.63307.figure8" httpUri="https://binary.pensoft.net/fig/589688" pageId="0" pageNumber="33">8B, C</figureCitation>
|
||
) where a large osculum is centrally located. The osculum opens into a deep atrial cavity (Fig.
|
||
<figureCitation id="BDBEAA52EA2C9201B377E3D7E48113E7" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, distribution, skeleton and morphology A distribution in New Zealand waters, holotype as open circle, new specimen as filled circle B new specimen in situ (scale bar is approximate) C deck image (two sides, image by PJS) D osculum, deck image (by PJS) E preserved conulose outer surface of the lower body with prostal diactins F preserved wall section of the mid-body without conules G preserved dermal surface with intact pentactin lattice H preserved atrial surface with hexactins displaced from the atrial lattice. Image B captured by ROV Team GEOMAR, ROV Kiel 6000 onboard RV Sonne (voyage SO 254), courtesy of Project PoribacNewZ, GEOMAR, and ICBM." figureDoi="10.3897/zookeys.1060.63307.figure8" httpUri="https://binary.pensoft.net/fig/589688" pageId="0" pageNumber="33">8D</figureCitation>
|
||
). The margin is sharp-edged with indication of sparse marginalia that do not differ from prostal diactins of the lower body. The external surface of the upper body is fairly smooth, without prostalia, but the lower half is conspicuously conulose with long prostal diactins projecting in small groups from conules (Fig.
|
||
<figureCitation id="CFE00AA917B042AEC6A535E3F1398F4B" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, distribution, skeleton and morphology A distribution in New Zealand waters, holotype as open circle, new specimen as filled circle B new specimen in situ (scale bar is approximate) C deck image (two sides, image by PJS) D osculum, deck image (by PJS) E preserved conulose outer surface of the lower body with prostal diactins F preserved wall section of the mid-body without conules G preserved dermal surface with intact pentactin lattice H preserved atrial surface with hexactins displaced from the atrial lattice. Image B captured by ROV Team GEOMAR, ROV Kiel 6000 onboard RV Sonne (voyage SO 254), courtesy of Project PoribacNewZ, GEOMAR, and ICBM." figureDoi="10.3897/zookeys.1060.63307.figure8" httpUri="https://binary.pensoft.net/fig/589688" pageId="0" pageNumber="33">8E</figureCitation>
|
||
). We did not have access to the basal attachment so we cannot comment on the basidictyonalia. Dimensions of the specimen are 27.6 cm in height, 11.7 cm in maximum width, 5.7-10.9 cm in diameters of the osculum, 10.0 mm in maximum wall thickness, 8.3 mm in length of projecting part of prostal diactins. Texture is firm but compressible and resilient, neither soft nor fragile. Surface of the dermal side is covered by an intact lattice of dermalia (Fig.
|
||
<figureCitation id="482AC8CFF224AE90F85929C6D76B685B" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, distribution, skeleton and morphology A distribution in New Zealand waters, holotype as open circle, new specimen as filled circle B new specimen in situ (scale bar is approximate) C deck image (two sides, image by PJS) D osculum, deck image (by PJS) E preserved conulose outer surface of the lower body with prostal diactins F preserved wall section of the mid-body without conules G preserved dermal surface with intact pentactin lattice H preserved atrial surface with hexactins displaced from the atrial lattice. Image B captured by ROV Team GEOMAR, ROV Kiel 6000 onboard RV Sonne (voyage SO 254), courtesy of Project PoribacNewZ, GEOMAR, and ICBM." figureDoi="10.3897/zookeys.1060.63307.figure8" httpUri="https://binary.pensoft.net/fig/589688" pageId="0" pageNumber="33">8G</figureCitation>
|
||
) consisting mostly of pentactins (98% of 302 assayed), and a few stauractins and diactins (1% each). The upper body surface is fairly smooth, but the lower body is covered with conspicuous conules up to 3.2 mm high, from which prostal diactins project in small groups of one to four. One large pentactin was found but it was broken and assumed to be foreign. The atrial surface is covered by a felt-like layer of disarranged atrialia (Fig.
|
||
<figureCitation id="12B5CD8177A2DAB29A81CDDC6AC950CD" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, distribution, skeleton and morphology A distribution in New Zealand waters, holotype as open circle, new specimen as filled circle B new specimen in situ (scale bar is approximate) C deck image (two sides, image by PJS) D osculum, deck image (by PJS) E preserved conulose outer surface of the lower body with prostal diactins F preserved wall section of the mid-body without conules G preserved dermal surface with intact pentactin lattice H preserved atrial surface with hexactins displaced from the atrial lattice. Image B captured by ROV Team GEOMAR, ROV Kiel 6000 onboard RV Sonne (voyage SO 254), courtesy of Project PoribacNewZ, GEOMAR, and ICBM." figureDoi="10.3897/zookeys.1060.63307.figure8" httpUri="https://binary.pensoft.net/fig/589688" pageId="0" pageNumber="33">8H</figureCitation>
|
||
) composed of hexactins (57% of 168 assayed), pentactins (20%), paratetractins (8%), diactins (6%), stauractins (5%), and triactins (3%). Colour in life is very pale brown, preserved in ethanol is medium brown.
|
||
</paragraph>
|
||
<paragraph id="A4CC7F0956C604B6B81BD33DF4825847" pageId="0" pageNumber="33">
|
||
<emphasis id="AA214972010E00B6C22FB1E0982D4251" bold="true" pageId="0" pageNumber="33">
|
||
<emphasis id="1E3538FD43D5312D839501CC0BB93B54" italics="true" pageId="0" pageNumber="33">Skeleton</emphasis>
|
||
.
|
||
</emphasis>
|
||
Choanosomal skeleton consists of a tight series of macroscopic partitions of inhalant and exhalant channels running perpendicular to the body surfaces (Fig.
|
||
<figureCitation id="740AA10941FD51ECD43925BCC41164C2" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, distribution, skeleton and morphology A distribution in New Zealand waters, holotype as open circle, new specimen as filled circle B new specimen in situ (scale bar is approximate) C deck image (two sides, image by PJS) D osculum, deck image (by PJS) E preserved conulose outer surface of the lower body with prostal diactins F preserved wall section of the mid-body without conules G preserved dermal surface with intact pentactin lattice H preserved atrial surface with hexactins displaced from the atrial lattice. Image B captured by ROV Team GEOMAR, ROV Kiel 6000 onboard RV Sonne (voyage SO 254), courtesy of Project PoribacNewZ, GEOMAR, and ICBM." figureDoi="10.3897/zookeys.1060.63307.figure8" httpUri="https://binary.pensoft.net/fig/589688" pageId="0" pageNumber="33">8F</figureCitation>
|
||
). They consist of networks of choanosomal diactins and microscleres and in the lower body the proximal ends of the prostal diactins. A few small patches of fused choanosomal diactins occur but these are too rare to provide significant support to the body. Ectosomal skeleton of the dermal side consists of the robust lattice of pentactine dermalia and in the lower body the projecting prostal diactins. The atrial ectosomal skeleton consists of the felt-like lattice of atrialia and the supporting layer of hypoatrial diactins.
|
||
</paragraph>
|
||
<paragraph id="E5580FFB11B79F7D2FC7CDD4757EC4EC" pageId="0" pageNumber="33">
|
||
<emphasis id="21DD9EDC92E2FC7326EF4B51EBEB832D" bold="true" pageId="0" pageNumber="33">Spicules.</emphasis>
|
||
Megascleres (Fig.
|
||
<figureCitation id="5E8301B94BFD968F9D992849CC9EFD60" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules A prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends B choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings C dermalium: pentactin, whole and enlarged tips D atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium E spheres as small group of whole ones and one enlarged F Caulophacus discohexaster 1, whole and enlarged terminal ray end G Caulophacus discohexaster 2, whole and enlarged part of one ray tuft H oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts." figureDoi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33">9</figureCitation>
|
||
; Table
|
||
<tableCitation id="337B9C063CAC35B0EBCBF8E9C8062FD0" captionStart="Table 4" captionStartId="T4" captionText="Table 4. Spicule dimensions (µm) of Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008 from holotype NIWA 126237." httpUri="http://table.plazi.org/id/807E76202B0A8B27E5EF6B5792C024FF" pageId="0" pageNumber="33" tableUuid="807E76202B0A8B27E5EF6B5792C024FF">4</tableCitation>
|
||
) are prostal diactins, choanosomal diactins, dermalia, and atrialia. Prostal diactins (Fig.
|
||
<figureCitation id="CF80427D9E38CF024217E5CF1FB41D1B" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules A prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends B choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings C dermalium: pentactin, whole and enlarged tips D atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium E spheres as small group of whole ones and one enlarged F Caulophacus discohexaster 1, whole and enlarged terminal ray end G Caulophacus discohexaster 2, whole and enlarged part of one ray tuft H oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts." figureDoi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33">9A</figureCitation>
|
||
) are large, curved, and smooth spicules with rounded proximal tips either smooth or bearing very low suggestions of obsolete spines. They have neither an axial cross nor central swellings. Distal tips are invariably broken off. Choanosomal diactins (Fig.
|
||
<figureCitation id="C5DB42497BA32EDF25C70162299D5FAD" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules A prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends B choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings C dermalium: pentactin, whole and enlarged tips D atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium E spheres as small group of whole ones and one enlarged F Caulophacus discohexaster 1, whole and enlarged terminal ray end G Caulophacus discohexaster 2, whole and enlarged part of one ray tuft H oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts." figureDoi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33">9B</figureCitation>
|
||
) come in three distinct forms. The larger ones over 2 mm long are straight or slightly curved or sinuous and are smooth except for the patches of spines at the rounded or abruptly pointed tips. Those between 1 and 2 mm long have sharp tips and longer spines on the tip patches. The shortest, less than 1 mm long, are entirely spined with sharp tips and often with a central tyle or four knobs. Dermalia (Fig.
|
||
<figureCitation id="23F1BB73E4218C4874261444A736D2D5" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules A prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends B choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings C dermalium: pentactin, whole and enlarged tips D atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium E spheres as small group of whole ones and one enlarged F Caulophacus discohexaster 1, whole and enlarged terminal ray end G Caulophacus discohexaster 2, whole and enlarged part of one ray tuft H oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts." figureDoi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33">9C</figureCitation>
|
||
) are thick stubby pentactins, entirely profusely spined without a knob of a sixth ray. Atralia (Fig.
|
||
<figureCitation id="8A5B5AD73C1EA0FA1FA32F4D5C114D9C" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules A prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends B choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings C dermalium: pentactin, whole and enlarged tips D atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium E spheres as small group of whole ones and one enlarged F Caulophacus discohexaster 1, whole and enlarged terminal ray end G Caulophacus discohexaster 2, whole and enlarged part of one ray tuft H oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts." figureDoi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33">9D</figureCitation>
|
||
) are highly diverse; the most common hexactins have thinner and less densely spined rays than the dermalia. Pentactin atrialia are very similar to the dermal pentactins but have a knob in place of the sixth ray. Paratropal atrialia have rays similar to the hexactine atrialia. Spheres (Fig.
|
||
<figureCitation id="BCE00627DA1D7183C49FFBA34D0BBDCD" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules A prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends B choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings C dermalium: pentactin, whole and enlarged tips D atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium E spheres as small group of whole ones and one enlarged F Caulophacus discohexaster 1, whole and enlarged terminal ray end G Caulophacus discohexaster 2, whole and enlarged part of one ray tuft H oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts." figureDoi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33">9E</figureCitation>
|
||
) are common and here considered megascleres.
|
||
</paragraph>
|
||
<caption id="807E76202B0A8B27E5EF6B5792C024FF" ID-Table-UUID="807E76202B0A8B27E5EF6B5792C024FF" httpUri="http://table.plazi.org/id/807E76202B0A8B27E5EF6B5792C024FF" pageId="0" pageNumber="33" start="Table 4" startId="T4">
|
||
<paragraph id="7BCC1AB9AE1048D1472773E1762A8DEB" pageId="0" pageNumber="33">
|
||
<emphasis id="262B9DDD0C5BEC72924F0AE2C8767B72" bold="true" pageId="0" pageNumber="33">Table 4.</emphasis>
|
||
Spicule dimensions (µm) of
|
||
<taxonomicName id="961281CB350CC2D2D376945ED5B1673E" authorityName="Tabachnick, Janussen & Menschenina" authorityYear="2008" class="Hexactinellida" family="Rossellidae" genus="Scyphidium" kingdom="Animalia" lsidName="Scyphidium australiense" order="Lyssacinosida" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="australiense">
|
||
<emphasis id="9F1E019DD86D4663E81934E7A34A3467" italics="true" pageId="0" pageNumber="33">Scyphidium australiense</emphasis>
|
||
</taxonomicName>
|
||
Tabachnick, Janussen & Menschenina, 2008 from holotype NIWA 126237.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="9B72C84A10FE8EBBC28B8C3363531666" pageId="0" pageNumber="33">
|
||
<table id="968FAFC4FC773DEDB87C904D6803442E" pageId="0" pageNumber="33">
|
||
<tr id="BE3B7C0F50533DB5F98266AF7A7EEA44" pageId="0" pageNumber="33">
|
||
<td id="33321925650E5EEC3675FA0ADD619A15" colspan="1" pageId="0" pageNumber="33" rowspan="1">
|
||
<emphasis id="1E6B50890F06B5826BCA742B6A1CB962" bold="true" pageId="0" pageNumber="33">Parameter</emphasis>
|
||
</td>
|
||
<td id="94CD45C4C99ACFAC6F960BA289EFECAB" colspan="1" pageId="0" pageNumber="33" rowspan="1">
|
||
<emphasis id="79FF1C8A2C3068F5E70634E671BA6A0C" bold="true" pageId="0" pageNumber="33">mean</emphasis>
|
||
</td>
|
||
<td id="7959A67578DC2134B6FAB6B48A39703D" colspan="1" pageId="0" pageNumber="33" rowspan="1">
|
||
<emphasis id="8ADEC1A8C920021B4A28079B7C9F3595" bold="true" pageId="0" pageNumber="33">s.d.</emphasis>
|
||
</td>
|
||
<td id="92024366E49BBB4C0D2D3DCA9305A209" colspan="1" pageId="0" pageNumber="33" rowspan="1">
|
||
<emphasis id="D34CE7DBAECFE4F364311C92D173D35A" bold="true" pageId="0" pageNumber="33">range</emphasis>
|
||
</td>
|
||
<td id="D516E68FE245C93A69051525496E5EDA" colspan="1" pageId="0" pageNumber="33" rowspan="1">
|
||
<emphasis id="BEFF795780B52D37F3FA628CAF4F8087" bold="true" pageId="0" pageNumber="33">no.</emphasis>
|
||
</td>
|
||
</tr>
|
||
<tr id="72CFD9B6F90D520CCCBAC2EF25DCEB69" pageId="0" pageNumber="33">
|
||
<td id="68E1F6FD8569EF6963EDB28389DABB5B" colspan="5" pageId="0" pageNumber="33" rowspan="1">Prostal diactin</td>
|
||
</tr>
|
||
<tr id="D1516D9AAC5A38A7217D76DA44931CC8" pageId="0" pageNumber="33">
|
||
<td id="9A881676221C162226B0BB5AD1879AF1" colspan="1" pageId="0" pageNumber="33" rowspan="1">length (mm)</td>
|
||
<td id="C4DDDB3D7F879C995E7DFA19B0CFA9CA" colspan="1" pageId="0" pageNumber="33" rowspan="1">10.9</td>
|
||
<td id="DA665AF565E674A8D9C66E6874D6EC8D" colspan="1" pageId="0" pageNumber="33" rowspan="1">3.9</td>
|
||
<td id="79375053AFFE54B1C065D8C1F77AEE78" colspan="1" pageId="0" pageNumber="33" rowspan="1">5.7-18.3</td>
|
||
<td id="9DA3999241E8E7C59329EDEE87B87F72" colspan="1" pageId="0" pageNumber="33" rowspan="1">31</td>
|
||
</tr>
|
||
<tr id="C13F37D8E29D7C591649E5920E73AA7E" pageId="0" pageNumber="33">
|
||
<td id="F2B89A584B3D9DE6FECE3E6EBDFE4831" colspan="1" pageId="0" pageNumber="33" rowspan="1">width</td>
|
||
<td id="C1C30FC9417C4CB4690B7918DD6B83A5" colspan="1" pageId="0" pageNumber="33" rowspan="1">83.9</td>
|
||
<td id="39B346E723C6DF7831253BE4A5DF4488" colspan="1" pageId="0" pageNumber="33" rowspan="1">27.7</td>
|
||
<td id="2C7D5CFDC6F9BA8082310D43F5545551" colspan="1" pageId="0" pageNumber="33" rowspan="1">37.8-172.3</td>
|
||
<td id="BF3517C8E6C7F090538893E7CF9448BB" colspan="1" pageId="0" pageNumber="33" rowspan="1">46</td>
|
||
</tr>
|
||
<tr id="804C8E26B32491BE1732164F436295FE" pageId="0" pageNumber="33">
|
||
<td id="4F20B15E3655E4D38FA6C5A94F031F7B" colspan="5" pageId="0" pageNumber="33" rowspan="1">Choanosomal diactin</td>
|
||
</tr>
|
||
<tr id="039DDEF96877081C9E333A1CCCAA5BC5" pageId="0" pageNumber="33">
|
||
<td id="1400E17AC69F7EA0DED468E44481A545" colspan="1" pageId="0" pageNumber="33" rowspan="1">length (mm)</td>
|
||
<td id="6E098C6E2CE6FF24113C46E8BF44C8E1" colspan="1" pageId="0" pageNumber="33" rowspan="1">2.0</td>
|
||
<td id="581E6E9684017282A2623C9E59AAC854" colspan="1" pageId="0" pageNumber="33" rowspan="1">1.3</td>
|
||
<td id="762BEB358C3F6F2D24DF8A6D6615E93E" colspan="1" pageId="0" pageNumber="33" rowspan="1">0.4-4.4</td>
|
||
<td id="FD5069B5B0F9A7E829D7BEDF5F4A9604" colspan="1" pageId="0" pageNumber="33" rowspan="1">38</td>
|
||
</tr>
|
||
<tr id="B8A0313F58E6B414B7526A5ECC1C4A06" pageId="0" pageNumber="33">
|
||
<td id="C078F3E298DD50178C294E3D7958BECD" colspan="1" pageId="0" pageNumber="33" rowspan="1">width</td>
|
||
<td id="AD47037687DCB4B47D005F501C5AD436" colspan="1" pageId="0" pageNumber="33" rowspan="1">13.1</td>
|
||
<td id="9DB9A857B47CEC6B78E51659860D39B4" colspan="1" pageId="0" pageNumber="33" rowspan="1">3.6</td>
|
||
<td id="9FAC1895651F1E272F8DB3020B53B334" colspan="1" pageId="0" pageNumber="33" rowspan="1">6.1-21.7</td>
|
||
<td id="EA5D1C4A5D7C9CD8E64F4836AD06F044" colspan="1" pageId="0" pageNumber="33" rowspan="1">50</td>
|
||
</tr>
|
||
<tr id="DFAB8222DD5A2BC6C44CA308D718506E" pageId="0" pageNumber="33">
|
||
<td id="F97425556D9D4FABC16E5F7C437E9C0E" colspan="5" pageId="0" pageNumber="33" rowspan="1">Dermalia pentactin</td>
|
||
</tr>
|
||
<tr id="9F4A6C8ED9F3B4F16F28C8E1AAEEACF6" pageId="0" pageNumber="33">
|
||
<td id="6024D78E66CAAB9705177596729E3EAA" colspan="1" pageId="0" pageNumber="33" rowspan="1">tangential ray length</td>
|
||
<td id="32BB677DEC5E799C7707E8647385A224" colspan="1" pageId="0" pageNumber="33" rowspan="1">145</td>
|
||
<td id="2EAB6C3B00FACCFDDCE4E3BE4CDBDD3B" colspan="1" pageId="0" pageNumber="33" rowspan="1">17</td>
|
||
<td id="A7A28728C5CFE697209E85A270C4D244" colspan="1" pageId="0" pageNumber="33" rowspan="1">106-186</td>
|
||
<td id="B31C822A3AEB2F7FB91EB4E53F71687B" colspan="1" pageId="0" pageNumber="33" rowspan="1">31</td>
|
||
</tr>
|
||
<tr id="E885EFEF383DCAA734B3E31D1227523D" pageId="0" pageNumber="33">
|
||
<td id="9AC468B34AB05CD778A5A8830CE8FA44" colspan="1" pageId="0" pageNumber="33" rowspan="1">ray width</td>
|
||
<td id="E1719D06BDBBB55BE6DE496DEAB85541" colspan="1" pageId="0" pageNumber="33" rowspan="1">15.3</td>
|
||
<td id="875266570B0F39EA0DC1C74ABDB7D1A7" colspan="1" pageId="0" pageNumber="33" rowspan="1">1.8</td>
|
||
<td id="5AD67347C31EF8A421B4B93FC9906380" colspan="1" pageId="0" pageNumber="33" rowspan="1">11.0-18.4</td>
|
||
<td id="6CA72C05C2B80B2942EBCABE33EEB681" colspan="1" pageId="0" pageNumber="33" rowspan="1">31</td>
|
||
</tr>
|
||
<tr id="7F93F13032FE86357D7068C743F6E4E1" pageId="0" pageNumber="33">
|
||
<td id="4C5EE609624F8930848CD8AD4F03AD8F" colspan="1" pageId="0" pageNumber="33" rowspan="1">proximal ray length</td>
|
||
<td id="433C0CF8FE0B21A76601AD843E1308C0" colspan="1" pageId="0" pageNumber="33" rowspan="1">119</td>
|
||
<td id="240C9B9696449EA9D4AE5393CCAB2612" colspan="1" pageId="0" pageNumber="33" rowspan="1">19</td>
|
||
<td id="1D8D11D59DB0A05F35A033793F2C53A6" colspan="1" pageId="0" pageNumber="33" rowspan="1">57-165</td>
|
||
<td id="232BCDF84987A8784DA1C0D953C309ED" colspan="1" pageId="0" pageNumber="33" rowspan="1">31</td>
|
||
</tr>
|
||
<tr id="D0158D5ECE11303548C7A2BB9E845C15" pageId="0" pageNumber="33">
|
||
<td id="7DC3886D76105126D89405FC5657594C" colspan="1" pageId="0" pageNumber="33" rowspan="1">ray width</td>
|
||
<td id="2B169E11FC58DDEA50A91470D5C17F49" colspan="1" pageId="0" pageNumber="33" rowspan="1">14.4</td>
|
||
<td id="70BF519D60306090FD237D9CB7B53ACC" colspan="1" pageId="0" pageNumber="33" rowspan="1">1.8</td>
|
||
<td id="069634022658D4526917F82885EF9709" colspan="1" pageId="0" pageNumber="33" rowspan="1">12.0-18.2</td>
|
||
<td id="4CFEAFB699C618DDEED7A5676397A92C" colspan="1" pageId="0" pageNumber="33" rowspan="1">31</td>
|
||
</tr>
|
||
<tr id="E4A314AA28840D51B6DE4A9FFC13F972" pageId="0" pageNumber="33">
|
||
<td id="9E0C30346A39F9B73D9E65ED43622779" colspan="5" pageId="0" pageNumber="33" rowspan="1">Atrialia hexactin</td>
|
||
</tr>
|
||
<tr id="F1D4B2D9B73C6D9393913EE542534BCC" pageId="0" pageNumber="33">
|
||
<td id="C19D2441785202C8CE3235593E7724C9" colspan="1" pageId="0" pageNumber="33" rowspan="1">ray length</td>
|
||
<td id="58F02BD2806784098BD3BAE10AAFF165" colspan="1" pageId="0" pageNumber="33" rowspan="1">206</td>
|
||
<td id="84B182C2D2E1CE77FF75960A329AF873" colspan="1" pageId="0" pageNumber="33" rowspan="1">80</td>
|
||
<td id="1ED4FA86326A6630B50A484600581F67" colspan="1" pageId="0" pageNumber="33" rowspan="1">88-359</td>
|
||
<td id="9B74A105B53D1DF121C8B21211699FC8" colspan="1" pageId="0" pageNumber="33" rowspan="1">40</td>
|
||
</tr>
|
||
<tr id="FB8931EF656C62121F8A5ADC4C8CDEBA" pageId="0" pageNumber="33">
|
||
<td id="08CBB312A493AF6FA549149B8FEDA65D" colspan="1" pageId="0" pageNumber="33" rowspan="1">ray width</td>
|
||
<td id="E58E4F9DA3F57F166A380D3A5C1084EA" colspan="1" pageId="0" pageNumber="33" rowspan="1">14.3</td>
|
||
<td id="CA9A44A3C30A77C5A412C22D1539E1CA" colspan="1" pageId="0" pageNumber="33" rowspan="1">3.4</td>
|
||
<td id="4456F7560FD8068CBC9AB4DF32416D0B" colspan="1" pageId="0" pageNumber="33" rowspan="1">7.7-24.5</td>
|
||
<td id="5FBC1BBB75BD982DAD6430D7D524E9F5" colspan="1" pageId="0" pageNumber="33" rowspan="1">40</td>
|
||
</tr>
|
||
<tr id="FEFA28E660778CFDAC5FEEADD6ACF9A4" pageId="0" pageNumber="33">
|
||
<td id="FCAF35E8BA8AA963F6C6E142440C76E1" colspan="5" pageId="0" pageNumber="33" rowspan="1">Sphere</td>
|
||
</tr>
|
||
<tr id="DC23C10F375D3546D35B04CBAA4728A4" pageId="0" pageNumber="33">
|
||
<td id="83F6D121CAAD34F8582099A250BC0CFF" colspan="1" pageId="0" pageNumber="33" rowspan="1">diameter</td>
|
||
<td id="E81C569D082426721AF5CEEBB1374250" colspan="1" pageId="0" pageNumber="33" rowspan="1">189</td>
|
||
<td id="9728B14EE73B75F2B7C0838B1157A102" colspan="1" pageId="0" pageNumber="33" rowspan="1">77</td>
|
||
<td id="D62BC49C10B96D54020E6DF01E2C6C3C" colspan="1" pageId="0" pageNumber="33" rowspan="1">90-388</td>
|
||
<td id="55C213736C69B9AACB58ADB0D0611C3C" colspan="1" pageId="0" pageNumber="33" rowspan="1">54</td>
|
||
</tr>
|
||
<tr id="920AF2B61EE9C2F062528400AC512949" pageId="0" pageNumber="33">
|
||
<td id="9E98FF7E88A3F9F152F0B280A6D9EA76" colspan="5" pageId="0" pageNumber="33" rowspan="1">Discohexaster 1</td>
|
||
</tr>
|
||
<tr id="76A4ACB3204DF09D7A09C9EF94CF0FA0" pageId="0" pageNumber="33">
|
||
<td id="E90FE9B53488897A32CA84AA1066FA59" colspan="1" pageId="0" pageNumber="33" rowspan="1">diameter</td>
|
||
<td id="DEF99A1CB982CAF03F55231B2CE73DBB" colspan="1" pageId="0" pageNumber="33" rowspan="1">69.8</td>
|
||
<td id="0AFAD4D248A5EB871140A2812697D94C" colspan="1" pageId="0" pageNumber="33" rowspan="1">10.2</td>
|
||
<td id="0644A70561B9FC6D41E1909F799C5768" colspan="1" pageId="0" pageNumber="33" rowspan="1">50.0-91.2</td>
|
||
<td id="803965B9CE112FD65D88314B703ED3E3" colspan="1" pageId="0" pageNumber="33" rowspan="1">32</td>
|
||
</tr>
|
||
<tr id="6C456EF7BF9818F9A010A4F245F113D7" pageId="0" pageNumber="33">
|
||
<td id="08FE99D9E6DD6BD9E480C16F71D543CB" colspan="1" pageId="0" pageNumber="33" rowspan="1">primary ray length</td>
|
||
<td id="32D07B004474B30CD49258EA88C1A5A9" colspan="1" pageId="0" pageNumber="33" rowspan="1">4.8</td>
|
||
<td id="B3D31129EB4F2A2D585CBC876BFC7439" colspan="1" pageId="0" pageNumber="33" rowspan="1">0.7</td>
|
||
<td id="297D63EA42D96BB46175631F27258604" colspan="1" pageId="0" pageNumber="33" rowspan="1">3.4-6.8</td>
|
||
<td id="A84C1CD598FCE9587051BE57F50EC5E4" colspan="1" pageId="0" pageNumber="33" rowspan="1">32</td>
|
||
</tr>
|
||
<tr id="7CA2298EFD69364A9DAA72B6606F6BA8" pageId="0" pageNumber="33">
|
||
<td id="4771038370AE02C9853559A95AC4FB7C" colspan="1" pageId="0" pageNumber="33" rowspan="1">secondary ray length</td>
|
||
<td id="3C6C50576B1048FD29FBEE8970BA770F" colspan="1" pageId="0" pageNumber="33" rowspan="1">30.3</td>
|
||
<td id="76D72C42A0219319D00D0A0CF8F2D7A6" colspan="1" pageId="0" pageNumber="33" rowspan="1">5.4</td>
|
||
<td id="313895DBAD8C7314D27519C0370FDC89" colspan="1" pageId="0" pageNumber="33" rowspan="1">20.6-42.8</td>
|
||
<td id="2B73211E14963C9AAF925377F24F7582" colspan="1" pageId="0" pageNumber="33" rowspan="1">32</td>
|
||
</tr>
|
||
<tr id="B2204DA47744D1F8E14ABEBFEC1B9561" pageId="0" pageNumber="33">
|
||
<td id="891F9A549332DD1E99B050CFF85C04AD" colspan="5" pageId="0" pageNumber="33" rowspan="1">Discohexaster 2</td>
|
||
</tr>
|
||
<tr id="72B8B714DD7A1E052822C183367DE103" pageId="0" pageNumber="33">
|
||
<td id="2BD0032DF440900C9DEB32530F5AD1CA" colspan="1" pageId="0" pageNumber="33" rowspan="1">diameter</td>
|
||
<td id="7CFCDD7553CC081D44E63A5E29A39F2C" colspan="1" pageId="0" pageNumber="33" rowspan="1">50.2</td>
|
||
<td id="6F82297ADE3695B09DC76CED7B50C494" colspan="1" pageId="0" pageNumber="33" rowspan="1">10.0</td>
|
||
<td id="CC7ED328CE0E60FAE6F4FA18FC41CC14" colspan="1" pageId="0" pageNumber="33" rowspan="1">33.4-79.4</td>
|
||
<td id="CBDB08BC9D98F8D9A0199B61432BBC6B" colspan="1" pageId="0" pageNumber="33" rowspan="1">68</td>
|
||
</tr>
|
||
<tr id="3FBA58F74570035019D898738358A7A4" pageId="0" pageNumber="33">
|
||
<td id="987EE1E2F6B00BAEE4535265F6F1746C" colspan="1" pageId="0" pageNumber="33" rowspan="1">primary ray length</td>
|
||
<td id="D4A642901DFFB9A2DA666E17BECE50AD" colspan="1" pageId="0" pageNumber="33" rowspan="1">4.8</td>
|
||
<td id="CF1310B90E1014D89AC268A0A603D808" colspan="1" pageId="0" pageNumber="33" rowspan="1">0.9</td>
|
||
<td id="6577291C297A98EF7B591ADC04A4DD27" colspan="1" pageId="0" pageNumber="33" rowspan="1">2.7-7.0</td>
|
||
<td id="A0034FF7C4F8C5DE66BB7385327DF126" colspan="1" pageId="0" pageNumber="33" rowspan="1">68</td>
|
||
</tr>
|
||
<tr id="5A943D08447689109E57797C97B5386C" pageId="0" pageNumber="33">
|
||
<td id="EEEA5CEF267E53D30FC47A176E9CD8C0" colspan="1" pageId="0" pageNumber="33" rowspan="1">secondary ray length</td>
|
||
<td id="06C047DFCADAF3E7C67921A9B710507B" colspan="1" pageId="0" pageNumber="33" rowspan="1">20.3</td>
|
||
<td id="0BB92BE7C2974B4006AD1E91B147530B" colspan="1" pageId="0" pageNumber="33" rowspan="1">4.9</td>
|
||
<td id="A27D2F5A60ADD44DC936D98572E45B45" colspan="1" pageId="0" pageNumber="33" rowspan="1">11.7-34.6</td>
|
||
<td id="3D8F1E1013F27856A39CBFEFCEA10022" colspan="1" pageId="0" pageNumber="33" rowspan="1">68</td>
|
||
</tr>
|
||
<tr id="1B9A8A86CC389DC4A2CE977FD3FD3CF4" pageId="0" pageNumber="33">
|
||
<td id="F448EA244D9F7C614210545FA1B24A2E" colspan="5" pageId="0" pageNumber="33" rowspan="1">Oxyhexaster</td>
|
||
</tr>
|
||
<tr id="2DF81A1ADE82B5EC7327F59722DD583D" pageId="0" pageNumber="33">
|
||
<td id="B5BA28AD2D95E9829FD4FD9694297A1F" colspan="1" pageId="0" pageNumber="33" rowspan="1">diameter</td>
|
||
<td id="7A8934E5A71378C2A81936FD5B5F51B0" colspan="1" pageId="0" pageNumber="33" rowspan="1">86.2</td>
|
||
<td id="1BA8B4E4B105FDAB23EA9802D1289BDA" colspan="1" pageId="0" pageNumber="33" rowspan="1">10.6</td>
|
||
<td id="917D796A701800999A34412019F38F16" colspan="1" pageId="0" pageNumber="33" rowspan="1">63.5-111.3</td>
|
||
<td id="77715341C78155E0F268C5E710311AFA" colspan="1" pageId="0" pageNumber="33" rowspan="1">59</td>
|
||
</tr>
|
||
<tr id="24A1559C3FD62AE220F429188F737BC3" pageId="0" pageNumber="33">
|
||
<td id="F0654EA561FB32B9F24A376225184107" colspan="1" pageId="0" pageNumber="33" rowspan="1">primary ray length</td>
|
||
<td id="D6F935BCDC6E92AEE37036774881DB02" colspan="1" pageId="0" pageNumber="33" rowspan="1">5.6</td>
|
||
<td id="31D9FD2E7A98272F2A353045C216FE3C" colspan="1" pageId="0" pageNumber="33" rowspan="1">1.2</td>
|
||
<td id="5E8A6B5F8EF979FC6A787C81D581B16B" colspan="1" pageId="0" pageNumber="33" rowspan="1">3.2-9.0</td>
|
||
<td id="FDEB5DADF24D4AA719338CE418EBA5CB" colspan="1" pageId="0" pageNumber="33" rowspan="1">59</td>
|
||
</tr>
|
||
<tr id="ED541D9422F8DAC339276AC0A0268E57" pageId="0" pageNumber="33">
|
||
<td id="39FB3EC16162473EF05FC6BF480F86A5" colspan="1" pageId="0" pageNumber="33" rowspan="1">secondary ray length</td>
|
||
<td id="168BD333DF1518CB70EBF6067B8F3E42" colspan="1" pageId="0" pageNumber="33" rowspan="1">37.3</td>
|
||
<td id="49D4A09137B6DD65D286BA0DC10389CC" colspan="1" pageId="0" pageNumber="33" rowspan="1">5.5</td>
|
||
<td id="A4F8684A743B0D3FC6033ACCBBFE2F40" colspan="1" pageId="0" pageNumber="33" rowspan="1">23.8-49.8</td>
|
||
<td id="CE8F4233C9E7B5B57EBD2D3414A73F1F" colspan="1" pageId="0" pageNumber="33" rowspan="1">59</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<caption id="1E298BAF283F9A0B0AEB5B1DD2B201B4" doi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33" start="Figure 9" startId="F9">
|
||
<paragraph id="17967FB320006509C968B9F6E31D106F" pageId="0" pageNumber="33">
|
||
<emphasis id="B960C1CB7F648AEFCD3990FE2DDD756E" bold="true" pageId="0" pageNumber="33">Figure 9.</emphasis>
|
||
<taxonomicName id="89527950CEE79677E8894E7F90E086D9" authorityName="Tabachnick, Janussen & Menschenina" authorityYear="2008" class="Hexactinellida" family="Rossellidae" genus="Scyphidium" kingdom="Animalia" lsidName="Scyphidium australiense" order="Lyssacinosida" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="australiense">
|
||
<emphasis id="08C845ACDC856EEC9345017269351CAF" italics="true" pageId="0" pageNumber="33">Scyphidium australiense</emphasis>
|
||
</taxonomicName>
|
||
Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules
|
||
<emphasis id="FA1AC643B7CE23BC6070745D155AA165" bold="true" pageId="0" pageNumber="33">A</emphasis>
|
||
prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends
|
||
<emphasis id="3D21A795F369DEF6F6107712A17C4059" bold="true" pageId="0" pageNumber="33">B</emphasis>
|
||
choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings
|
||
<emphasis id="974F492CA1614E1031F3D48C7FAE9891" bold="true" pageId="0" pageNumber="33">C</emphasis>
|
||
dermalium: pentactin, whole and enlarged tips
|
||
<emphasis id="11EE9D611E178769EE368F757EEB8129" bold="true" pageId="0" pageNumber="33">D</emphasis>
|
||
atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium
|
||
<emphasis id="7709540381604252FAAA1C0B7B776054" bold="true" pageId="0" pageNumber="33">E</emphasis>
|
||
spheres as small group of whole ones and one enlarged
|
||
<emphasis id="48316367B1AFFB96BD9568C7233B6BED" bold="true" pageId="0" pageNumber="33">F</emphasis>
|
||
<taxonomicName id="3918D8E05CAE263CDA0639E0381E64E6" authorityName="Tabachnick & Levi" authorityYear="2004" class="Hexactinellida" family="Rossellidae" genus="Caulophacus" kingdom="Animalia" lsidName="Caulophacus discohexaster" order="Lyssacinosida" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="discohexaster">Caulophacus discohexaster</taxonomicName>
|
||
1, whole and enlarged terminal ray end
|
||
<emphasis id="6A7F5247F189B6A93C29D7BCD4CC19E7" bold="true" pageId="0" pageNumber="33">G</emphasis>
|
||
<taxonomicName id="ECD3A57CD435BD8DE8E3634BC75E09C2" authorityName="Tabachnick & Levi" authorityYear="2004" class="Hexactinellida" family="Rossellidae" genus="Caulophacus" kingdom="Animalia" lsidName="Caulophacus discohexaster" order="Lyssacinosida" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="discohexaster">Caulophacus discohexaster</taxonomicName>
|
||
2, whole and enlarged part of one ray tuft
|
||
<emphasis id="C2E40A989A83DAD24B095D78C8F80E21" bold="true" pageId="0" pageNumber="33">H</emphasis>
|
||
oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="1428460347BDC0A789CEE44C2E1ADD89" pageId="0" pageNumber="33">
|
||
Microscleres (Fig.
|
||
<figureCitation id="D2B1ED391D6E73D9B144C42C342B5B05" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules A prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends B choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings C dermalium: pentactin, whole and enlarged tips D atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium E spheres as small group of whole ones and one enlarged F Caulophacus discohexaster 1, whole and enlarged terminal ray end G Caulophacus discohexaster 2, whole and enlarged part of one ray tuft H oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts." figureDoi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33">9</figureCitation>
|
||
; Table
|
||
<tableCitation id="7CFAE8FC839F138A46B3936264D726ED" captionStart="Table 4" captionStartId="T4" captionText="Table 4. Spicule dimensions (µm) of Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008 from holotype NIWA 126237." httpUri="http://table.plazi.org/id/807E76202B0A8B27E5EF6B5792C024FF" pageId="0" pageNumber="33" tableUuid="807E76202B0A8B27E5EF6B5792C024FF">4</tableCitation>
|
||
) are two types of discohexasters and one type of oxyhexaster and its variants, rare hemioxyhexasters and oxyhexactins. Discohexasters 1 (Fig.
|
||
<figureCitation id="502100DAE505171DE73FB84D6F61932F" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules A prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends B choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings C dermalium: pentactin, whole and enlarged tips D atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium E spheres as small group of whole ones and one enlarged F Caulophacus discohexaster 1, whole and enlarged terminal ray end G Caulophacus discohexaster 2, whole and enlarged part of one ray tuft H oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts." figureDoi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33">9F</figureCitation>
|
||
) are spherical with very short smooth primary rays, each supporting 3.5 (2-5) thick secondary rays ornamented with reclined spines. Terminal discs invariably have six stout marginal teeth. Discohexasters 2 (Fig.
|
||
<figureCitation id="03F0554E1A746E3CF9516DEEA6CC494A" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules A prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends B choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings C dermalium: pentactin, whole and enlarged tips D atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium E spheres as small group of whole ones and one enlarged F Caulophacus discohexaster 1, whole and enlarged terminal ray end G Caulophacus discohexaster 2, whole and enlarged part of one ray tuft H oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts." figureDoi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33">9G</figureCitation>
|
||
) are smaller spherical forms with each smooth primary ray supporting 6.3 (5-8) thinner terminal rays; the terminal discs also invariably have 6 marginal teeth. Oxyhexasters (Fig.
|
||
<figureCitation id="5DF5E04775D712C468D87208072F416E" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Scyphidium australiense Tabachnick, Janussen & Menschenina, 2008, NIWA 126237, spicules A prostal diactin, whole and enlarged ends, one broken distal end and two intact proximal ends B choanosomal diactins, whole long and short versions at different scales plus enlarged tips and central swellings C dermalium: pentactin, whole and enlarged tips D atrialia, hexactin, whole and enlarged tip, pentactin, whole with enlarged tips, and paratetractin, whole; scales are the same as those for dermalium E spheres as small group of whole ones and one enlarged F Caulophacus discohexaster 1, whole and enlarged terminal ray end G Caulophacus discohexaster 2, whole and enlarged part of one ray tuft H oxyhexaster, whole and enlarged terminal ray end. Scales are the same for all whole microscleres and their enlarged parts." figureDoi="10.3897/zookeys.1060.63307.figure9" httpUri="https://binary.pensoft.net/fig/589689" pageId="0" pageNumber="33">9H</figureCitation>
|
||
) are stout spherical forms with each short smooth primary ray supporting 3.2 (3-5) fully developed secondary rays ornamented with dense reclined spines and ending in sharp tips. Each oxyhexaster also has 2-12 poorly developed secondary rays only a few micrometres in length. Only one hemioxyhexaster and three oxyhexactins, all of a similar size and ray characters as the oxyhexaster, were discovered in microsclere surveys.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="4423BAFBF150DE25D5A905BDB67E2371" pageId="0" pageNumber="33" type="remarks">
|
||
<paragraph id="BEE43DF34069540C965463BC8237CE92" pageId="0" pageNumber="33">Remarks.</paragraph>
|
||
<paragraph id="C97FEE93A24DBC6715225168D0B3B137" pageId="0" pageNumber="33">
|
||
The characters of this new specimen agree with those in the original description of
|
||
<taxonomicName id="32E0B8D1BEEEABF7F860DA06C212C88D" kingdom="Animalia" lsidName="S. australiense" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="australiense">
|
||
<emphasis id="E74293AD5D8E571D581EFAA2DA17CE19" italics="true" pageId="0" pageNumber="33">S. australiense</emphasis>
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation id="F1F337503ABD6948848640A6289869F5" DOI="https://doi.org/10.11646/zootaxa.1866.1.3" author="Tabachnick, KR" journalOrPublisher="Zootaxa" pageId="0" pageNumber="33" pagination="7 - 68" refId="B38" refString="Tabachnick, KR, Janussen, D, Menschenina, LL, 2008. New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum. Zootaxa 1866: 7 - 68, DOI: https://doi.org/10.11646/zootaxa.1866.1.3" title="New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum." url="https://doi.org/10.11646/zootaxa.1866.1.3" volume="1866" year="2008">Tabachnick et al. (2008)</bibRefCitation>
|
||
except for the absence of prostal diactins and sphere megascleres in the latter, and absence of the rare discohexactins in the former. Absence of prostal diactins in the holotype is likely attributable to it being a distal fragment where we also found no prostalia in the new specimen. Spheres appear to be spicules of erratic occurrence in hexactinellids and are unlikely to be of phylogenetic significance. Absence of discohexactins in the new specimen is not considered an important difference. Sizes and shapes of the common microscleres are similar enough in both specimens to conclude that they are from specimens of the same species. It is somewhat surprising that the authors of this species assigned it to the genus
|
||
<taxonomicName id="48A95AB67196A69C14984D8E201BC519" authorityName="Schulze" authorityYear="1900" class="Hexactinellida" family="Rossellidae" genus="Scyphidium" kingdom="Animalia" lsidName="Scyphidium" order="Lyssacinosida" pageId="0" pageNumber="33" phylum="Porifera" rank="genus">
|
||
<emphasis id="2A9540603643CC57609BBA5AD0801A2A" italics="true" pageId="0" pageNumber="33">Scyphidium</emphasis>
|
||
</taxonomicName>
|
||
without altering the generic diagnosis to encompass it; we have done so here.
|
||
</paragraph>
|
||
<paragraph id="0B4C6E7E1D9E5634FE828E3F9D2B87BB" pageId="0" pageNumber="33">
|
||
Prior to the discovery of a second specimen of
|
||
<taxonomicName id="9714986A75BED839B9376E4675E6159B" kingdom="Animalia" lsidName="S. australiense" pageId="0" pageNumber="33" phylum="Porifera" rank="species" species="australiense">
|
||
<emphasis id="473B0A8AEA1E65AF4BF0B0F868D164CB" italics="true" pageId="0" pageNumber="33">S. australiense</emphasis>
|
||
</taxonomicName>
|
||
here, there was considerable doubt as to the true type locality of the holotype described by
|
||
<bibRefCitation id="122A47356F2A064DD93BC2647C9DC983" DOI="https://doi.org/10.11646/zootaxa.1866.1.3" author="Tabachnick, KR" journalOrPublisher="Zootaxa" pageId="0" pageNumber="33" pagination="7 - 68" refId="B38" refString="Tabachnick, KR, Janussen, D, Menschenina, LL, 2008. New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum. Zootaxa 1866: 7 - 68, DOI: https://doi.org/10.11646/zootaxa.1866.1.3" title="New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum." url="https://doi.org/10.11646/zootaxa.1866.1.3" volume="1866" year="2008">Tabachnick et al. (2008)</bibRefCitation>
|
||
. This work focused on hexactinellid sponges "sampled mainly off the Australian West Coast", and the holotype was named "after the type locality of this species", i.e., Australia. However, the latitude and longitude for RV Soela Stn SO 17-80 (43°33.10'-33.05'S, 179°27.25'-27.08'E) placed the type locality as on the north central Chatham Rise on the east coast of New Zealand. The Western Australian Museum (WAM) has confirmed that the RV Soela carried out fieldwork off western and northern Australia, and that the material covered in
|
||
<bibRefCitation id="E4ECC48DC6B60395AFE94400EC0E768F" DOI="https://doi.org/10.11646/zootaxa.1866.1.3" author="Tabachnick, KR" journalOrPublisher="Zootaxa" pageId="0" pageNumber="33" pagination="7 - 68" refId="B38" refString="Tabachnick, KR, Janussen, D, Menschenina, LL, 2008. New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum. Zootaxa 1866: 7 - 68, DOI: https://doi.org/10.11646/zootaxa.1866.1.3" title="New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum." url="https://doi.org/10.11646/zootaxa.1866.1.3" volume="1866" year="2008">Tabachnick et al. (2008)</bibRefCitation>
|
||
was sent to the MNHN to be worked on taxonomically. Unfortunately, WAM has no details for "RV Soela Stn SO 17-80" (Jane Fromont, Western Australian Museum, pers. comm.), but interestingly, the specimen reported here, NIWA 126237, is also from Chatham Rise (Pegasus Canyon Slope, off Christchurch Shelf), intensifying the mystery surrounding the type locality of this species. Investigation of pre-2004 electronic records at NIC revealed that the specimen listed from station "RV Soela Stn SO 17-80", given in
|
||
<bibRefCitation id="68E514927BED456E1A1FE7D8A74700C0" DOI="https://doi.org/10.11646/zootaxa.1866.1.3" author="Tabachnick, KR" journalOrPublisher="Zootaxa" pageId="0" pageNumber="33" pagination="7 - 68" refId="B38" refString="Tabachnick, KR, Janussen, D, Menschenina, LL, 2008. New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum. Zootaxa 1866: 7 - 68, DOI: https://doi.org/10.11646/zootaxa.1866.1.3" title="New Australian Hexactinellida (Porifera) with a revision of Euplectella aspergillum." url="https://doi.org/10.11646/zootaxa.1866.1.3" volume="1866" year="2008">Tabachnick et al. (2008)</bibRefCitation>
|
||
, was more likely to have been collected on the RV Sonne Cruise SO-17 on the Chatham Rise phosphorite deposits east of New Zealand (
|
||
<bibRefCitation id="A2C9D13E1A64FEF88E1486C12C8533FB" author="Von Rad, U" editor="Von Rad, U" journalOrPublisher="Bundesanstalt fuer Geowissenschaften und Rohstoffe und den geologischen Landesaemtern in der Bundesrepublik Deutschland, Hannover" pageId="0" pageNumber="33" pagination="5 - 23" publicationUrl="https://core.ac.uk/download/pdf/11774455.pdf" refId="B43" refString="Von Rad, U, 1984. Outline of SONNE Cruise SO-17 on the Chatham Rise Phosphorite Deposits East of New Zealand. In: Von Rad, U, Kudrass, H-R, Eds., Geologisches Jahrbuch, Reihe D, Heft 65. Bundesanstalt fuer Geowissenschaften und Rohstoffe und den geologischen Landesaemtern in der Bundesrepublik Deutschland, Hannover: 5 - 23, https://core.ac.uk/download/pdf/11774455.pdf" title="Outline of SONNE Cruise SO- 17 on the Chatham Rise Phosphorite Deposits East of New Zealand." url="https://core.ac.uk/download/pdf/11774455.pdf" volumeTitle="Geologisches Jahrbuch, Reihe D, Heft 65." year="1984">Von Rad 1984</bibRefCitation>
|
||
), because the NZOI Stn Z3951B from that cruise, a large grab with
|
||
<taxonomicName id="E1DFE24C89C906305AFE40875987AAE7" kingdom="Animalia" lsidName="" pageId="0" pageNumber="33" phylum="Porifera" rank="phylum">Porifera</taxonomicName>
|
||
listed in the Remarks column, has identical coordinates and similar station numbers. We are still unsure as to how the specimen reached
|
||
<normalizedToken id="0AC241EED56F422B831C7865BE45961F" originalValue="Tabachnick’s">Tabachnick's</normalizedToken>
|
||
attention at the MNHN, and indeed, the whereabouts of the holotype, but we know that errors were made in translation of the station data from the specimen labels to this publication, and it is possible that the authors assumed that the RV Sonne representation of "Stn SO17/80" was just another RV Soela Stn, represented as SO 17-80 in the publication. The MNHN was temporarily closed for most of 2020 and the early months of 2021 due to measures of the French government to prevent the spread of COVID-19 (novel coronavirus disease), so the repatriation of this specimen was not able to be completed at time of publication.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |