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<document id="2A611EF10CF251355608DFD23C7BC10E" ID-DOI="10.5281/zenodo.320220" ID-GBIF-Dataset="1866626c-f527-402a-8449-b0618086da67" ID-ISSN="1175-5326" ID-Zenodo-Dep="320220" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460294480550" checkinUser="plazi" docAuthor="Van, Rob W. M., Kaiser, Kirstie L. &amp; Syoc, Robert Van" docDate="2011" docId="0D0987D3FFC7FFE420A617F0ED7BF914" docLanguage="en" docName="zt02839p046.pdf" docOrigin="Zootaxa 2839" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Sycettusa sibogae Burton 1930, n.comb." docType="treatment" docVersion="10" lastPageNumber="40" masterDocId="F130FFABFFE0FFC32031165DE969FFB5" masterDocTitle="Sponges from Clipperton Island, East Pacific" masterLastPageNumber="46" masterPageNumber="1" pageNumber="40" updateTime="1698252032678" updateUser="plazi">
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<mods:title id="4EF9B405179781226A16FE91D3751CB1">Sponges from Clipperton Island, East Pacific</mods:title>
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<mods:namePart id="F71BE6D865C4332CD1047CED514FD5C2">Van, Rob W. M.</mods:namePart>
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<mods:namePart id="C28AC4FC52889280C4230A0E851F726F">Kaiser, Kirstie L.</mods:namePart>
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<mods:namePart id="4DA0FAEA09605B50D93C8C9DCC7215A2">Syoc, Robert Van</mods:namePart>
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<mods:date id="54ADC94D9D82F63FD9356382709A9705">2011</mods:date>
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<treatment id="0D0987D3FFC7FFE420A617F0ED7BF914" ID-DOI="http://doi.org/10.5281/zenodo.5623693" ID-GBIF-Taxon="119399144" ID-Zenodo-Dep="5623693" LSID="urn:lsid:plazi:treatment:0D0987D3FFC7FFE420A617F0ED7BF914" httpUri="http://treatment.plazi.org/id/0D0987D3FFC7FFE420A617F0ED7BF914" lastPageNumber="40" pageId="39" pageNumber="40">
<subSubSection id="CDBA654EFFC7FFE420A617F0E85DFE52" pageId="39" pageNumber="40" type="nomenclature">
<paragraph id="851F36C5FFC7FFE420A617F0EBAAFE72" blockId="39.[151,707,429,487]" box="[151,707,429,455]" pageId="39" pageNumber="40">
<heading id="DE5781A9FFC7FFE420A617F0EBAAFE72" bold="true" box="[151,707,429,455]" fontSize="11" level="1" pageId="39" pageNumber="40" reason="1">
<emphasis id="B7D4EAD7FFC7FFE420A617F0EBAAFE72" bold="true" box="[151,707,429,455]" pageId="39" pageNumber="40">
<taxonomicName id="42A04D46FFC7FFE420A617F0EB30FE72" ID-CoL="53LNC" authority="Burton, 1930" authorityName="Burton" authorityYear="1930" box="[151,601,429,455]" class="Calcarea" family="Heteropiidae" genus="Sycettusa" kingdom="Animalia" order="Leucosolenida" pageId="39" pageNumber="40" phylum="Porifera" rank="species" species="sibogae" status="comb. nov.">
<emphasis id="B7D4EAD7FFC7FFE420A617F0E860FE72" bold="true" box="[151,265,429,455]" italics="true" pageId="39" pageNumber="40">Sycettusa</emphasis>
aff.
<emphasis id="B7D4EAD7FFC7FFE4217017F0E8F5FE72" bold="true" box="[321,412,429,455]" italics="true" pageId="39" pageNumber="40">sibogae</emphasis>
(
<bibRefCitation id="E1314B34FFC7FFE4219A17F0EB38FE72" author="Burton" box="[427,593,429,455]" pageId="39" pageNumber="40" refString="Burton, M. (1930) The Porifera of the Siboga Expedition. III. Calcarea. In: Weber, M. (ed.), Siboga-Expeditie. Uitkomsten op zoologisch, botanisch, oceanographisch en geologisch gebied verzameld in Nederlandsch Oost-lndie 1899 - 1900 aan boord H. M. Siboga onder commando van Luitenant ter zee 1 e kl. G. F. Tydeman, III (Monographie VIa 2). E. J. Brill, Leiden, p 1 - 18." type="journal article" year="1930">Burton, 1930</bibRefCitation>
)
</taxonomicName>
<taxonomicNameLabel id="ACE757ACFFC7FFE4225117F0EBAAFE72" box="[608,707,429,455]" pageId="39" pageNumber="40">n.comb.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="851F36C5FFC7FFE420A61792E85DFE52" blockId="39.[151,707,429,487]" box="[151,308,463,487]" pageId="39" pageNumber="40">
(
<figureCitation id="1D9B2A40FFC7FFE420AE1792E998FE52" box="[159,241,463,487]" captionStart="FIGURE 19" captionStartId="40.[151,248,1774,1797]" captionTargetBox="[151,1436,193,1753]" captionTargetId="figure@40.[151,1436,193,1753]" captionTargetPageId="40" captionText="FIGURE 19. Sycettusa aff. sibogae (Burton, 1930), A. habit of specimen MNHN DCL 4057, B. light microscopic view of peripheral skeleton, scale bar = 100 µm, C. overview of spicule complement, D. large equiangular triactine, E. small equiangular triactine, F. large unequiangular triactine, G. various sizes of unequiangular triactine, H. fragment of trichoxea." httpUri="https://zenodo.org/record/320271/files/figure.png" pageId="39" pageNumber="40">Figs 19</figureCitation>
AH)
</paragraph>
</subSubSection>
<subSubSection id="CDBA654EFFC7FFE420A61444EB68FD98" box="[151,513,536,558]" pageId="39" pageNumber="40" type="reference_group">
<paragraph id="851F36C5FFC7FFE420A61444EB68FD98" blockId="39.[151,513,536,558]" box="[151,513,536,558]" pageId="39" pageNumber="40">
<treatmentCitationGroup id="A5B011EBFFC7FFE420A61444EB68FD98" box="[151,513,536,558]" pageId="39" pageNumber="40">
<taxonomicName id="42A04D46FFC7FFE420A61444E894FD98" ID-CoL="3H86X" authority="Burton, 1930: 4" authorityName="Burton" authorityPageNumber="4" authorityYear="1930" box="[151,509,536,558]" class="Calcarea" family="Heteropiidae" genus="Grantessa" kingdom="Animalia" order="Leucosolenida" pageId="39" pageNumber="40" phylum="Porifera" rank="species" species="sibogae">
<emphasis id="B7D4EAD7FFC7FFE420A61444E83DFD9B" box="[151,340,536,558]" italics="true" pageId="39" pageNumber="40">Grantessa sibogae</emphasis>
<treatmentCitation id="040110D4FFC7FFE4216B1444E894FD98" author="Burton" box="[346,509,536,558]" page="4" pageId="39" pageNumber="40" year="1930">
<bibRefCitation id="E1314B34FFC7FFE4216B1444E88AFD98" author="Burton" box="[346,483,536,558]" pageId="39" pageNumber="40" refString="Burton, M. (1930) The Porifera of the Siboga Expedition. III. Calcarea. In: Weber, M. (ed.), Siboga-Expeditie. Uitkomsten op zoologisch, botanisch, oceanographisch en geologisch gebied verzameld in Nederlandsch Oost-lndie 1899 - 1900 aan boord H. M. Siboga onder commando van Luitenant ter zee 1 e kl. G. F. Tydeman, III (Monographie VIa 2). E. J. Brill, Leiden, p 1 - 18." type="journal article" year="1930">Burton, 1930</bibRefCitation>
: 4
</treatmentCitation>
</taxonomicName>
.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="CDBA654EFFC7FFE420A61407EA47FCDB" pageId="39" pageNumber="40" type="materials_examined">
<paragraph id="851F36C5FFC7FFE420A61407EB26FD23" blockId="39.[151,1437,602,1697]" pageId="39" pageNumber="40">
<emphasis id="B7D4EAD7FFC7FFE420A61407E8E8FDC6" bold="true" box="[151,385,602,627]" pageId="39" pageNumber="40">Material examined.</emphasis>
<collectionCode id="E3B1AE00FFC7FFE421B81406E8B6FDC7" LSID="urn:lsid:biocol.org:col:34988" box="[393,479,603,626]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="39" pageNumber="40">MNHN</collectionCode>
<collectionCode id="E3B1AE00FFC7FFE421D71407EB77FDC7" box="[486,542,602,626]" pageId="39" pageNumber="40">DCL</collectionCode>
4045D, Jean-Louis Etienne Expédition
<collectingCountry id="FDB77655FFC7FFE423C21407ED02FDC7" box="[1011,1131,602,626]" name="Clipperton Island" pageId="39" pageNumber="40">Clipperton</collectingCountry>
2005, station
<quantity id="42589B20FFC7FFE4253C1407EC1AFDC7" box="[1293,1395,602,626]" metricMagnitude="1" metricUnit="m" metricValue="1.332" pageId="39" pageNumber="40" unit="m" value="13.32">13, 32 m</quantity>
, on dead corals,
<date id="F11E1005FFC7FFE421151423E8DBFD23" box="[292,434,638,662]" pageId="39" pageNumber="40" value="2005-01-18">18012005</date>
,
<specimenCount id="93A6FD4CFFC7FFE4218C1423EB23FD23" box="[445,586,638,662]" pageId="39" pageNumber="40" type="generic">2 specimens</specimenCount>
.
</paragraph>
<paragraph id="851F36C5FFC7FFE420F414FEE88EFD6B" blockId="39.[151,1437,602,1697]" pageId="39" pageNumber="40">
<collectionCode id="E3B1AE00FFC7FFE420F414FEE872FD0F" LSID="urn:lsid:biocol.org:col:34988" box="[197,283,675,698]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="39" pageNumber="40">MNHN</collectionCode>
<collectionCode id="E3B1AE00FFC7FFE4211214FFE832FD0F" box="[291,347,674,698]" pageId="39" pageNumber="40">DCL</collectionCode>
4057, Jean-Louis Etienne Expédition
<collectingCountry id="FDB77655FFC7FFE4232114FFEAE1FD0F" box="[784,904,674,698]" name="Clipperton Island" pageId="39" pageNumber="40">Clipperton</collectingCountry>
2005, station
<quantity id="42589B20FFC7FFE4241D14FFEDEFFD0F" box="[1068,1158,674,698]" metricMagnitude="0" metricUnit="m" metricValue="5.17" pageId="39" pageNumber="40" unit="m" value="5.17">5, 17 m</quantity>
, on dead corals,
<date id="F11E1005FFC7FFE4257914FFE9BBFD6B" pageId="39" pageNumber="40" value="2005-01-10">1001 2005</date>
,
<specimenCount id="93A6FD4CFFC7FFE420EC149BE836FD6B" box="[221,351,710,734]" pageId="39" pageNumber="40" type="generic">1 specimen</specimenCount>
. (
<figureCitation id="1D9B2A40FFC7FFE42143149BE8AAFD6B" box="[370,451,710,734]" captionStart="FIGURE 19" captionStartId="40.[151,248,1774,1797]" captionTargetBox="[151,1436,193,1753]" captionTargetId="figure@40.[151,1436,193,1753]" captionTargetPageId="40" captionText="FIGURE 19. Sycettusa aff. sibogae (Burton, 1930), A. habit of specimen MNHN DCL 4057, B. light microscopic view of peripheral skeleton, scale bar = 100 µm, C. overview of spicule complement, D. large equiangular triactine, E. small equiangular triactine, F. large unequiangular triactine, G. various sizes of unequiangular triactine, H. fragment of trichoxea." httpUri="https://zenodo.org/record/320271/files/figure.png" pageId="39" pageNumber="40">Fig. 19</figureCitation>
A).
</paragraph>
<paragraph id="851F36C5FFC7FFE420F414B6E80AFC93" blockId="39.[151,1437,602,1697]" pageId="39" pageNumber="40">
<collectionCode id="E3B1AE00FFC7FFE420F414B6E872FCB7" LSID="urn:lsid:biocol.org:col:34988" box="[197,283,747,770]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="39" pageNumber="40">MNHN</collectionCode>
<collectionCode id="E3B1AE00FFC7FFE4211314B7E833FCB7" box="[290,346,746,770]" pageId="39" pageNumber="40">DCL</collectionCode>
4064, Jean-Louis Etienne Expédition
<collectingCountry id="FDB77655FFC7FFE4233A14B7EAEAFCB7" box="[779,899,746,770]" name="Clipperton Island" pageId="39" pageNumber="40">Clipperton</collectingCountry>
2005, station
<quantity id="42589B20FFC7FFE4241214B7EDE3FCB7" box="[1059,1162,746,770]" metricMagnitude="1" metricUnit="m" metricValue="4.02" pageId="39" pageNumber="40" unit="m" value="40.2">40, 20 m</quantity>
, on dead corals,
<date id="F11E1005FFC7FFE4257914B7E9BBFC93" pageId="39" pageNumber="40" value="2005-01-29">2901 2005</date>
,
<specimenCount id="93A6FD4CFFC7FFE420EC1553E836FC93" box="[221,351,782,806]" pageId="39" pageNumber="40" type="generic">1 specimen</specimenCount>
.
</paragraph>
<paragraph id="851F36C5FFC7FFE420F4156FEA47FCDB" blockId="39.[151,1437,602,1697]" pageId="39" pageNumber="40">
Examined for comparison:
<typeStatus id="5A1B8867FFC7FFE42232156FEB07FCFF" box="[515,622,818,842]" pageId="39" pageNumber="40" type="holotype">Holotype</typeStatus>
,
<collectionCode id="E3B1AE00FFC7FFE4224C156EEBD2FCFE" box="[637,699,819,843]" httpUri="http://grbio.org/cool/a65z-wv6r" name="Universiteit van Amsterdam, Zoologisch Museum" pageId="39" pageNumber="40">ZMA</collectionCode>
Por. 0 0 148, Siboga Exped. stat. 0 77,
<collectingCountry id="FDB77655FFC7FFE4244C156FED84FCFF" box="[1149,1261,818,842]" name="Indonesia" pageId="39" pageNumber="40">Indonesia</collectingCountry>
, Borneo Bank, Makassar Strait,
<geoCoordinate id="E0945002FFC7FFE42162150BE8F6FCDB" box="[339,415,854,878]" direction="south" orientation="latitude" pageId="39" pageNumber="40" precision="555" value="-3.45">3.45°S</geoCoordinate>
<geoCoordinate id="E0945002FFC7FFE42197150BEB6AFCDB" box="[422,515,854,878]" direction="east" orientation="longitude" pageId="39" pageNumber="40" precision="5555" value="117.6">117.6°E</geoCoordinate>
, depth
<quantity id="42589B20FFC7FFE42265150BEBE7FCDB" box="[596,654,854,878]" metricMagnitude="1" metricUnit="m" metricValue="5.9" pageId="39" pageNumber="40" unit="m" value="59.0">59 m</quantity>
,
<date id="F11E1005FFC7FFE422AB150BEA43FCDB" box="[666,810,854,878]" pageId="39" pageNumber="40" value="1899-06-10">10061899</date>
.
</paragraph>
</subSubSection>
<subSubSection id="CDBA654EFFC7FFE420F61527EAAAFA8A" pageId="39" pageNumber="40" type="description">
<paragraph id="851F36C5FFC7FFE420F61527EA6AFC03" blockId="39.[151,1437,602,1697]" pageId="39" pageNumber="40">
<emphasis id="B7D4EAD7FFC7FFE420F61527E830FC26" bold="true" box="[199,345,890,915]" pageId="39" pageNumber="40">Description.</emphasis>
A clustered mass of tubes (
<figureCitation id="1D9B2A40FFC7FFE422BF1527EBB6FC27" box="[654,735,890,914]" captionStart="FIGURE 19" captionStartId="40.[151,248,1774,1797]" captionTargetBox="[151,1436,193,1753]" captionTargetId="figure@40.[151,1436,193,1753]" captionTargetPageId="40" captionText="FIGURE 19. Sycettusa aff. sibogae (Burton, 1930), A. habit of specimen MNHN DCL 4057, B. light microscopic view of peripheral skeleton, scale bar = 100 µm, C. overview of spicule complement, D. large equiangular triactine, E. small equiangular triactine, F. large unequiangular triactine, G. various sizes of unequiangular triactine, H. fragment of trichoxea." httpUri="https://zenodo.org/record/320271/files/figure.png" pageId="39" pageNumber="40">Fig. 19</figureCitation>
A), the largest 5
<date id="F11E1005FFC7FFE423A31527EAA3FC27" box="[914,970,890,914]" pageId="39" pageNumber="40">
x5x
<quantity id="42589B20FFC7FFE4238D1527EAA3FC27" box="[956,970,890,914]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="39" pageNumber="40" unit="cm" value="2.0">2</quantity>
</date>
cm, individual tubes up to
<quantity id="42589B20FFC7FFE424CD1527EC5AFC27" box="[1276,1331,890,914]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="39" pageNumber="40" unit="cm" value="1.0">1 cm</quantity>
long and 0.5 cm in diameter. Color (alcohol) pale yellow-brown.
</paragraph>
<paragraph id="851F36C5FFC7FFE420F6159FEDBFFB97" blockId="39.[151,1437,602,1697]" pageId="39" pageNumber="40">
<emphasis id="B7D4EAD7FFC7FFE420F6159FE85CFC6E" bold="true" box="[199,309,962,987]" pageId="39" pageNumber="40">Skeleton.</emphasis>
Compressed syconoid without articulation (
<figureCitation id="1D9B2A40FFC7FFE4231D159FEA16FC6F" box="[812,895,962,986]" captionStart="FIGURE 19" captionStartId="40.[151,248,1774,1797]" captionTargetBox="[151,1436,193,1753]" captionTargetId="figure@40.[151,1436,193,1753]" captionTargetPageId="40" captionText="FIGURE 19. Sycettusa aff. sibogae (Burton, 1930), A. habit of specimen MNHN DCL 4057, B. light microscopic view of peripheral skeleton, scale bar = 100 µm, C. overview of spicule complement, D. large equiangular triactine, E. small equiangular triactine, F. large unequiangular triactine, G. various sizes of unequiangular triactine, H. fragment of trichoxea." httpUri="https://zenodo.org/record/320271/files/figure.png" pageId="39" pageNumber="40">Fig. 19</figureCitation>
B). The thin cortex is made up of the actines of cortical equiangular triactines, the choanosome is made up of the unpaired actines of the subcortical larger sagittal triactines; atrial skeleton likewise made up of the paired actines of smaller equiangular triactines.
</paragraph>
<paragraph id="851F36C5FFC7FFE420F61273EA57FB4C" blockId="39.[151,1437,602,1697]" pageId="39" pageNumber="40">
<emphasis id="B7D4EAD7FFC7FFE420F61273E859FBF2" bold="true" box="[199,304,1070,1095]" pageId="39" pageNumber="40">Spicules.</emphasis>
Triactines only (
<figureCitation id="1D9B2A40FFC7FFE421CB1273EB26FBF3" box="[506,591,1070,1094]" captionStart="FIGURE 19" captionStartId="40.[151,248,1774,1797]" captionTargetBox="[151,1436,193,1753]" captionTargetId="figure@40.[151,1436,193,1753]" captionTargetPageId="40" captionText="FIGURE 19. Sycettusa aff. sibogae (Burton, 1930), A. habit of specimen MNHN DCL 4057, B. light microscopic view of peripheral skeleton, scale bar = 100 µm, C. overview of spicule complement, D. large equiangular triactine, E. small equiangular triactine, F. large unequiangular triactine, G. various sizes of unequiangular triactine, H. fragment of trichoxea." httpUri="https://zenodo.org/record/320271/files/figure.png" pageId="39" pageNumber="40">Fig. 19</figureCitation>
C). These are quite diversified, basically divisible in (1) equiangular triactines, large (
<figureCitation id="1D9B2A40FFC7FFE4210B120FE8E2FBDF" box="[314,395,1106,1130]" captionStart="FIGURE 19" captionStartId="40.[151,248,1774,1797]" captionTargetBox="[151,1436,193,1753]" captionTargetId="figure@40.[151,1436,193,1753]" captionTargetPageId="40" captionText="FIGURE 19. Sycettusa aff. sibogae (Burton, 1930), A. habit of specimen MNHN DCL 4057, B. light microscopic view of peripheral skeleton, scale bar = 100 µm, C. overview of spicule complement, D. large equiangular triactine, E. small equiangular triactine, F. large unequiangular triactine, G. various sizes of unequiangular triactine, H. fragment of trichoxea." httpUri="https://zenodo.org/record/320271/files/figure.png" pageId="39" pageNumber="40">Fig. 19</figureCitation>
D), with actines up to 530
<date id="F11E1005FFC7FFE42287120EEB8EFBDF" box="[694,743,1106,1130]" pageId="39" pageNumber="40" value="1947-10">x 47</date>
µm, and small (
<figureCitation id="1D9B2A40FFC7FFE423AF120FEA87FBDF" box="[926,1006,1106,1130]" captionStart="FIGURE 19" captionStartId="40.[151,248,1774,1797]" captionTargetBox="[151,1436,193,1753]" captionTargetId="figure@40.[151,1436,193,1753]" captionTargetPageId="40" captionText="FIGURE 19. Sycettusa aff. sibogae (Burton, 1930), A. habit of specimen MNHN DCL 4057, B. light microscopic view of peripheral skeleton, scale bar = 100 µm, C. overview of spicule complement, D. large equiangular triactine, E. small equiangular triactine, F. large unequiangular triactine, G. various sizes of unequiangular triactine, H. fragment of trichoxea." httpUri="https://zenodo.org/record/320271/files/figure.png" pageId="39" pageNumber="40">Fig. 19</figureCitation>
E) up to 164
<date id="F11E1005FFC7FFE424B3120EEDDAFBDF" box="[1154,1203,1106,1130]" pageId="39" pageNumber="40" value="1919-10">x 19</date>
µm, and (2) unequiangular triactines which often have downcurved or upcurved paired actines, consisting of large triactines (
<figureCitation id="1D9B2A40FFC7FFE425021228ECEBFB38" box="[1331,1410,1141,1165]" captionStart="FIGURE 19" captionStartId="40.[151,248,1774,1797]" captionTargetBox="[151,1436,193,1753]" captionTargetId="figure@40.[151,1436,193,1753]" captionTargetPageId="40" captionText="FIGURE 19. Sycettusa aff. sibogae (Burton, 1930), A. habit of specimen MNHN DCL 4057, B. light microscopic view of peripheral skeleton, scale bar = 100 µm, C. overview of spicule complement, D. large equiangular triactine, E. small equiangular triactine, F. large unequiangular triactine, G. various sizes of unequiangular triactine, H. fragment of trichoxea." httpUri="https://zenodo.org/record/320271/files/figure.png" pageId="39" pageNumber="40">Fig. 19</figureCitation>
F) with paired actines up to 290
<date id="F11E1005FFC7FFE421C112C7EB4AFB04" box="[496,547,1177,1201]" pageId="39" pageNumber="40" value="1938-10">x 38</date>
and unpaired actine up to 525
<date id="F11E1005FFC7FFE423BF12C7EAA8FB04" box="[910,961,1177,1201]" pageId="39" pageNumber="40" value="1945-10">x 45</date>
µm, and small triactines (
<figureCitation id="1D9B2A40FFC7FFE424C012C4EC2BFB04" box="[1265,1346,1177,1201]" captionStart="FIGURE 19" captionStartId="40.[151,248,1774,1797]" captionTargetBox="[151,1436,193,1753]" captionTargetId="figure@40.[151,1436,193,1753]" captionTargetPageId="40" captionText="FIGURE 19. Sycettusa aff. sibogae (Burton, 1930), A. habit of specimen MNHN DCL 4057, B. light microscopic view of peripheral skeleton, scale bar = 100 µm, C. overview of spicule complement, D. large equiangular triactine, E. small equiangular triactine, F. large unequiangular triactine, G. various sizes of unequiangular triactine, H. fragment of trichoxea." httpUri="https://zenodo.org/record/320271/files/figure.png" pageId="39" pageNumber="40">Fig. 19</figureCitation>
G) with paired actines up to
<date id="F11E1005FFC7FFE4214912E1E8D4FB61" box="[376,445,1212,1236]" pageId="39" pageNumber="40" value="1947-10-07">47 x 7</date>
and unpaired actine
<date id="F11E1005FFC7FFE4229712E1EB85FB61" box="[678,748,1212,1236]" pageId="39" pageNumber="40" value="1990-10-09">90 x 9</date>
µm. There are also atrial intercrossing trichoxeas (
<figureCitation id="1D9B2A40FFC7FFE4251612E1EC11FB61" box="[1319,1400,1212,1236]" captionStart="FIGURE 19" captionStartId="40.[151,248,1774,1797]" captionTargetBox="[151,1436,193,1753]" captionTargetId="figure@40.[151,1436,193,1753]" captionTargetPageId="40" captionText="FIGURE 19. Sycettusa aff. sibogae (Burton, 1930), A. habit of specimen MNHN DCL 4057, B. light microscopic view of peripheral skeleton, scale bar = 100 µm, C. overview of spicule complement, D. large equiangular triactine, E. small equiangular triactine, F. large unequiangular triactine, G. various sizes of unequiangular triactine, H. fragment of trichoxea." httpUri="https://zenodo.org/record/320271/files/figure.png" pageId="39" pageNumber="40">Fig. 19</figureCitation>
H), invariably broken, largest unbroken fragment: 240 x 1.5 µm.
</paragraph>
<paragraph id="851F36C5FFC7FFE420F61359EAAAFA8A" blockId="39.[151,1437,602,1697]" pageId="39" pageNumber="40">
<emphasis id="B7D4EAD7FFC7FFE420F61359E887FAA9" bold="true" box="[199,494,1283,1308]" pageId="39" pageNumber="40">Ecology and distribution</emphasis>
. Encrusting dead corals in shallow reefs; if conspecific with the Indonesian material the species is known from
<collectingCountry id="FDB77655FFC7FFE421F3137AEB36FA8A" box="[450,607,1319,1343]" name="Clipperton Island" pageId="39" pageNumber="40">Île Clipperton</collectingCountry>
and the Makassar Strait region.
</paragraph>
</subSubSection>
<subSubSection id="CDBA654EFFC7FFE420F61316ECF4F9EF" pageId="39" pageNumber="40" type="discussion">
<paragraph id="851F36C5FFC7FFE420F61316ECF4F9EF" blockId="39.[151,1437,602,1697]" pageId="39" pageNumber="40">
<emphasis id="B7D4EAD7FFC7FFE420F61316E852FAD6" bold="true" box="[199,315,1355,1379]" pageId="39" pageNumber="40">Remarks.</emphasis>
The genus
<taxonomicName id="42A04D46FFC7FFE421F11316EB43FAD7" box="[448,554,1355,1378]" class="Calcarea" family="Heteropiidae" genus="Sycettusa" kingdom="Animalia" order="Leucosolenida" pageId="39" pageNumber="40" phylum="Porifera" rank="genus">
<emphasis id="B7D4EAD7FFC7FFE421F11316EB43FAD7" box="[448,554,1355,1378]" italics="true" pageId="39" pageNumber="40">Sycettusa</emphasis>
</taxonomicName>
unites former
<taxonomicName id="42A04D46FFC7FFE422E31316EA2CFAD7" box="[722,837,1355,1378]" class="Calcarea" family="Heteropiidae" genus="Grantessa" kingdom="Animalia" order="Leucosolenida" pageId="39" pageNumber="40" phylum="Porifera" rank="genus">
<emphasis id="B7D4EAD7FFC7FFE422E31316EA2CFAD7" box="[722,837,1355,1378]" italics="true" pageId="39" pageNumber="40">Grantessa</emphasis>
</taxonomicName>
species lacking an articulated skeleton (
<bibRefCitation id="E1314B34FFC7FFE4253E1317E990FA33" author="Borojevic" pageId="39" pageNumber="40" refString="Borojevic, R., Boury-Esnault, N., Manuel, M. &amp; Vacelet, J. (2002) Order Leucosolenida Hartman, 1958. In: Hooper, J. N. A. &amp; Van Soest, R. W. M. (eds), Systema Porifera: a guide to the classification of sponges. Kluwer Plenum Academic Press, London, New York, p 1157 - 1184." type="book chapter" year="2002">
Borojevic
<emphasis id="B7D4EAD7FFC7FFE425B91316E9DDFA33" italics="true" pageId="39" pageNumber="40">et al.</emphasis>
2002
</bibRefCitation>
). The species
<taxonomicName id="42A04D46FFC7FFE421AD1332EA70FA33" authority="Burton (1930)" authorityName="Burton" authorityYear="1930" box="[412,793,1390,1414]" class="Calcarea" family="Heteropiidae" genus="Grantessa" kingdom="Animalia" order="Leucosolenida" pageId="39" pageNumber="40" phylum="Porifera" rank="species" species="sibogae">
<emphasis id="B7D4EAD7FFC7FFE421AD1332EB06FA33" box="[412,623,1390,1414]" italics="true" pageId="39" pageNumber="40">Grantessa sibogae</emphasis>
<bibRefCitation id="E1314B34FFC7FFE422461332EA70FA33" author="Burton" box="[631,793,1390,1414]" pageId="39" pageNumber="40" refString="Burton, M. (1930) The Porifera of the Siboga Expedition. III. Calcarea. In: Weber, M. (ed.), Siboga-Expeditie. Uitkomsten op zoologisch, botanisch, oceanographisch en geologisch gebied verzameld in Nederlandsch Oost-lndie 1899 - 1900 aan boord H. M. Siboga onder commando van Luitenant ter zee 1 e kl. G. F. Tydeman, III (Monographie VIa 2). E. J. Brill, Leiden, p 1 - 18." type="journal article" year="1930">Burton (1930)</bibRefCitation>
</taxonomicName>
was synonymised with the apparently widespread Indo- Pacific species
<taxonomicName id="42A04D46FFC7FFE4217213CFEB43FA1C" box="[323,554,1425,1449]" class="Calcarea" family="Heteropiidae" genus="Sycettusa" kingdom="Animalia" order="Leucosolenida" pageId="39" pageNumber="40" phylum="Porifera" rank="species" species="sycilloides">
<emphasis id="B7D4EAD7FFC7FFE4217213CFEB43FA1C" box="[323,554,1425,1449]" italics="true" pageId="39" pageNumber="40">Sycettusa sycilloides</emphasis>
</taxonomicName>
(
<bibRefCitation id="E1314B34FFC7FFE4220913CCEA02FA1C" author="Schuffner" box="[568,875,1425,1449]" pageId="39" pageNumber="40" refString="Schuffner, O. (1877) Beschreibung einiger neuer Kalkschwamme. Jenaische Zeitschrift fur Naturwissenschaft, 11, 403 - 433." type="journal article" year="1877">
Schuffner, 1877 as
<taxonomicName id="42A04D46FFC7FFE4232013CFEA02FA1C" box="[785,875,1426,1449]" class="Calcarea" family="Heteropiidae" genus="Sycortis" higherTaxonomySource="CoL" kingdom="Animalia" order="Leucosolenida" pageId="39" pageNumber="40" phylum="Porifera" rank="genus">
<emphasis id="B7D4EAD7FFC7FFE4232013CFEA02FA1C" box="[785,875,1426,1449]" italics="true" pageId="39" pageNumber="40">Sycortis</emphasis>
</taxonomicName>
</bibRefCitation>
) by
<bibRefCitation id="E1314B34FFC7FFE423AF13CFED54FA1C" author="Burton" box="[926,1085,1425,1449]" pageId="39" pageNumber="40" refString="Burton, M. (1963) Revision of the classification of the calcareous sponges. British Museum (Natural History) London, p i - v, 1 - 693." type="book chapter" year="1963">Burton (1963)</bibRefCitation>
without further comments. For that reason and because Schuffners material was from East Africa (
<collectingCountry id="FDB77655FFC7FFE423A813E9ED63FA79" box="[921,1034,1460,1484]" name="Mauritius" pageId="39" pageNumber="40">Mauritius</collectingCountry>
) we prefer to retain
<taxonomicName id="42A04D46FFC7FFE424C313E8E9A9FA45" class="Calcarea" family="Heteropiidae" genus="Sycettusa" kingdom="Animalia" order="Leucosolenida" pageId="39" pageNumber="40" phylum="Porifera" rank="species" species="sibogae" status="comb. nov.">
<emphasis id="B7D4EAD7FFC7FFE424C313E8E9A9FA45" italics="true" pageId="39" pageNumber="40">Sycettusa sibogae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="ACE757ACFFC7FFE420F71385E849FA45" box="[198,288,1496,1520]" pageId="39" pageNumber="40">n.comb.</taxonomicNameLabel>
as a distinct species. The
<typeStatus id="5A1B8867FFC7FFE422721384EB1AFA44" box="[579,627,1497,1521]" pageId="39" pageNumber="40">type</typeStatus>
of
<taxonomicName id="42A04D46FFC7FFE422A91384EA62FA45" box="[664,779,1496,1520]" class="Calcarea" family="Heteropiidae" genus="Sycettusa" kingdom="Animalia" order="Leucosolenida" pageId="39" pageNumber="40" phylum="Porifera" rank="species" species="sibogae" status="comb. nov.">
<emphasis id="B7D4EAD7FFC7FFE422A91384EA62FA45" box="[664,779,1496,1520]" italics="true" pageId="39" pageNumber="40">S. sibogae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="ACE757ACFFC7FFE423231385EA04FA45" box="[786,877,1496,1520]" pageId="39" pageNumber="40">n.comb.</taxonomicNameLabel>
(ZMA Por. 00148) from Makassar Strait,
<collectingCountry id="FDB77655FFC7FFE425741385E9D0F9A6" name="Indonesia" pageId="39" pageNumber="40">Indonesia</collectingCountry>
, is a single tube and the large triactines have their rays somewhat more curved than in our material but spicule sizes and categories match to a large extent. The possibility that the
<collectingCountry id="FDB77655FFC7FFE4238D1042ED5DF982" box="[956,1076,1567,1591]" name="Clipperton Island" pageId="39" pageNumber="40">Clipperton</collectingCountry>
specimens belong to a closely related but distinct species cannot be entirely excluded. For that reason we added
<taxonomicName id="42A04D46FFC7FFE42418101FED3AF9EF" box="[1065,1107,1602,1626]" pageId="39" pageNumber="40" rank="species" species="aff">aff</taxonomicName>
. to the species identification.
</paragraph>
</subSubSection>
<subSubSection id="CDBA654EFFC7FFE420F6103AED7BF914" pageId="39" pageNumber="40" type="reference_group">
<paragraph id="851F36C5FFC7FFE420F6103AED7BF914" blockId="39.[151,1437,602,1697]" pageId="39" pageNumber="40">
<taxonomicName id="42A04D46FFC7FFE420F6103AEBD5F9CB" ID-CoL="53LNG" authority="Borojevic &amp; Klautau (2000)" authorityName="Borojevic &amp; Klautau" authorityYear="2000" box="[199,700,1638,1662]" class="Calcarea" family="Heteropiidae" genus="Sycettusa" kingdom="Animalia" order="Leucosolenida" pageId="39" pageNumber="40" phylum="Porifera" rank="species" species="tenuis">
<emphasis id="B7D4EAD7FFC7FFE420F6103AE813F9CB" box="[199,378,1639,1662]" italics="true" pageId="39" pageNumber="40">Sycettusa tenuis</emphasis>
<bibRefCitation id="E1314B34FFC7FFE421B0103BEBD5F9CB" author="Borojevic" box="[385,700,1638,1662]" pageId="39" pageNumber="40" refString="Borojevic, R. &amp; Klautau, M. (2000) Calcareous sponges from New Caledonia. Zoosystema, 22 (2), 187 - 201." type="journal article" year="2000">Borojevic &amp; Klautau (2000)</bibRefCitation>
</taxonomicName>
from
<collectingCountry id="FDB77655FFC7FFE42331103AEAC5F9CB" box="[768,940,1638,1662]" name="New Caledonia" pageId="39" pageNumber="40">New Caledonia</collectingCountry>
differs from the present material in possessing atrial tetractines and lacking the subdivision in larger and smaller triactines.
</paragraph>
</subSubSection>
</treatment>
</document>