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<document id="9404B06116CD7E1903ED2EBC659884AF" ID-DOI="10.5281/zenodo.5402001" ID-ISSN="1638-9387" ID-Zenodo-Dep="5402001" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630335685007" checkinUser="marcus" docAuthor="Sarà, Michele, Bavestrello, Giorgio &amp; Calcinai, Barbara" docDate="2000" docId="246CF300FFF21739FCE52562FD40FE90" docLanguage="en" docName="Zoosystema.2000.22.2.345-354.pdf" docOrigin="Zoosystema 22 (2)" docStyle="DocumentStyle:2A9C6F9EA5F90D98170D9E0D9CA29375.4:Zoosystema.2000-2008.journal_article.type1" docStyleId="2A9C6F9EA5F90D98170D9E0D9CA29375" docStyleName="Zoosystema.2000-2008.journal_article.type1" docStyleVersion="4" docTitle="Tethya topsenti Sarà &amp; Bavestrello &amp; Calcinai 2000, n. sp." docType="treatment" docVersion="3" lastPageNumber="354" masterDocId="D8558B78FFF41730FFD8213CFFB3FFD3" masterDocTitle="New Tethya species (Porifera, Demospongiae) from the Pacific area" masterLastPageNumber="354" masterPageNumber="345" pageNumber="351" updateTime="1699233248411" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
<mods:mods id="C18FC4086D06A85DED930E2D5EEFFA74" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="AFC964A60E86ED894C76A7B9B931506E">
<mods:title id="C761824F92B89EBECF6598760286E4A7">New Tethya species (Porifera, Demospongiae) from the Pacific area</mods:title>
</mods:titleInfo>
<mods:name id="582CBC5FF8361F6050A82047ECCD2237" type="personal">
<mods:role id="4FBB7758F70FD6DF8522663D862BDF69">
<mods:roleTerm id="31485EB0DFA8CC3BF551356D27D64FAD">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="73AF306B4F4FDF1F9B508996C8ADBD3C">Sarà, Michele</mods:namePart>
<mods:affiliation id="1A0A19F2F7DA668A80960E9B341626EA">Dipartimento per lo Studio del Territorio e delle sue Risorse, Università di Genova, Viale Benedetto XV, 5, I- 16132 Genova (Italy) sara @ dipteris. unige. it</mods:affiliation>
</mods:name>
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<mods:role id="765CBA26612F56B98D32BB5E4FE96F13">
<mods:roleTerm id="9C801137142989657D0DD7F3AB30D83A">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="E5FD8DE74561288A24395EFC490F0E1A">Bavestrello, Giorgio</mods:namePart>
<mods:affiliation id="46507447AD04D08EB0491E57AF020895">Istituto di Scienze del Mare dell’Università di Ancona, Via Brecce Bianche, I- 60131 Ancona (Italy)</mods:affiliation>
</mods:name>
<mods:name id="8F6D56B91E4005E3093CA8952A80DF35" type="personal">
<mods:role id="7FC711E4EDFD78FBC3DBB499073CD486">
<mods:roleTerm id="500B21A4602CC41499D4E4E246424F00">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="753D919BD333F80A668788B13494FD35">Calcinai, Barbara</mods:namePart>
<mods:affiliation id="624FC529015F088DE18D3686A4479260">Dipartimento per lo Studio del Territorio e delle sue Risorse, Università di Genova, Viale Benedetto XV, 5, I- 16132 Genova (Italy)</mods:affiliation>
</mods:name>
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<mods:title id="1F88805E0088B32E589ED9D0B8B7BCE3">Zoosystema</mods:title>
</mods:titleInfo>
<mods:part id="3B850FCB59D71B77F0A97F862292B4EF">
<mods:date id="72FE308DDC272BA0E99E7929EC89BEC2">2000</mods:date>
<mods:detail id="B5A288594047F5668B0AA253D1386255" type="volume">
<mods:number id="8091BB843A3E0C881BA497ED0E424255">22</mods:number>
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<mods:number id="5EA610D64BE245903A8F2731F7D08161">2</mods:number>
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<mods:start id="4F184523039FF751BBF4C1F593898FE1">345</mods:start>
<mods:end id="2EAE4841959D1C992D9BE3F4CB12CB97">354</mods:end>
</mods:extent>
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<mods:classification id="7C704156E219C8395DC55F810A1B19CD">journal article</mods:classification>
<mods:identifier id="3CCAD2A2E2F91C2175450AE4475D4B9D" type="DOI">10.5281/zenodo.5402001</mods:identifier>
<mods:identifier id="B541FF3A677178E0816394549D8D6394" type="ISSN">1638-9387</mods:identifier>
<mods:identifier id="98D5423401C05CA3D23BCA79EF71FC61" type="Zenodo-Dep">5402001</mods:identifier>
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<treatment id="246CF300FFF21739FCE52562FD40FE90" LSID="urn:lsid:plazi:treatment:246CF300FFF21739FCE52562FD40FE90" httpUri="http://treatment.plazi.org/id/246CF300FFF21739FCE52562FD40FE90" lastPageId="9" lastPageNumber="354" pageId="6" pageNumber="351">
<subSubSection id="E4DF119DFFF21736FCE52562FB92FBA4" box="[829,1057,1116,1144]" pageId="6" pageNumber="351" type="nomenclature">
<paragraph id="AC7A4216FFF21736FCE52562FB92FBA4" blockId="6.[677,1210,1116,1366]" box="[829,1057,1116,1144]" pageId="6" pageNumber="351">
<heading id="F732F57AFFF21736FCE52562FB92FBA4" box="[829,1057,1116,1144]" centered="true" fontSize="11" level="2" pageId="6" pageNumber="351" reason="2">
<taxonomicName id="6BC53995FFF21736FCE52562FC53FBA5" ID-CoL="55KKT" authority="Sarà &amp; Bavestrello &amp; Calcinai, 2000" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[829,992,1116,1144]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="species" species="topsenti" status="sp. nov.">
<emphasis id="9EB19E04FFF21736FCE52562FC53FBA5" bold="true" box="[829,992,1116,1144]" italics="true" pageId="6" pageNumber="351">Tethya topsenti</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8582237FFFF21736FC3F2561FB92FBA4" box="[999,1057,1117,1143]" pageId="6" pageNumber="351" rank="species">n. sp.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="E4DF119DFFF21736FD7D25BBFC0FFB64" pageId="6" pageNumber="351" type="materials_examined">
<paragraph id="AC7A4216FFF21736FD7D25BBFC0FFB64" blockId="6.[677,1210,1116,1366]" pageId="6" pageNumber="351">
<materialsCitation id="1CAD484BFFF21736FD7D25BBFC0FFB64" collectionCode="MATERIAL, LBIM" pageId="6" pageNumber="351" specimenCode="N 814" specimenCount="1" typeStatus="holotype">
TYPE
<collectionCode id="CAD4DAD3FFF21736FD0525BBFCF3FB4E" box="[733,832,1159,1182]" pageId="6" pageNumber="351">MATERIAL</collectionCode>
. —
<typeStatus id="737EFCB4FFF21736FCB625B4FC78FB73" box="[878,971,1160,1184]" pageId="6" pageNumber="351" type="holotype">Holotype</typeStatus>
(
<collectionCode id="CAD4DAD3FFF21736FC0125B4FBAAFB73" box="[985,1049,1160,1184]" pageId="6" pageNumber="351">LBIM</collectionCode>
/
<specimenCode id="FC63EA6DFFF21736FBF925B4FBD2FB73" box="[1057,1121,1160,1184]" collectionCode="LBIM" pageId="6" pageNumber="351">N 814</specimenCode>
) labelled “
<taxonomicName id="6BC53995FFF21736FD77259CFCA8FB64" authorityName="Sollas" authorityYear="1888" box="[687,795,1184,1207]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="species" species="japonica">
<emphasis id="9EB19E04FFF21736FD77259CFCA8FB64" box="[687,795,1184,1207]" italics="true" pageId="6" pageNumber="351">T. japonica</emphasis>
</taxonomicName>
” from MNHN.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="E4DF119DFFF21736FD7D25F5FC2EFAC1" pageId="6" pageNumber="351" type="etymology">
<paragraph id="AC7A4216FFF21736FD7D25F5FC2EFAC1" blockId="6.[677,1210,1116,1366]" pageId="6" pageNumber="351">
ETYMOLOGY. — After Émile Topsent, the great French spongologist who has contributed greatly to our knowledge of
<taxonomicName id="6BC53995FFF21736FC8E25C0FC24FAC7" authorityName="Lamarck" authorityYear="1814" box="[854,919,1276,1300]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="genus">
<emphasis id="9EB19E04FFF21736FC8E25C0FC24FAC7" box="[854,919,1276,1300]" italics="true" pageId="6" pageNumber="351">Tethya</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="E4DF119DFFF21736FD7D2418FB03FA85" pageId="6" pageNumber="351" type="materials_examined">
<paragraph id="AC7A4216FFF21736FD7D2418FB03FA85" blockId="6.[677,1210,1116,1366]" pageId="6" pageNumber="351">
<typeStatus id="737EFCB4FFF21736FD7D2418FD64FAEA" box="[677,727,1316,1339]" pageId="6" pageNumber="351">TYPE</typeStatus>
LOCALITY. —
<emphasis id="9EB19E04FFF21736FCB62419FB92FAEE" bold="true" box="[878,1057,1315,1341]" pageId="6" pageNumber="351">Îlot Testard Sud.</emphasis>
Baie de Saint- Vincent,
<collectingCountry id="D4D20286FFF21736FCD82401FC29FA85" box="[768,922,1341,1366]" name="New Caledonia" pageId="6" pageNumber="351">New Caledonia</collectingCountry>
,
<date id="D87B64D6FFF21736FC7C2402FBABFA85" box="[932,1048,1342,1366]" pageId="6" pageNumber="351" value="1961-11-17">17.XI.1961</date>
, coll. B. Salvat.
</paragraph>
</subSubSection>
<subSubSection id="E4DF119DFFF21739FD7D2445FF43FD8B" lastPageId="9" lastPageNumber="354" pageId="6" pageNumber="351" type="description">
<paragraph id="AC7A4216FFF21736FD7D2445FC85FA42" blockId="6.[677,1210,1401,1581]" box="[677,822,1401,1427]" pageId="6" pageNumber="351">DESCRIPTION</paragraph>
<paragraph id="AC7A4216FFF21736FD7D24A5FC93FA60" blockId="6.[677,1210,1401,1581]" box="[677,800,1433,1459]" pageId="6" pageNumber="351">
<emphasis id="9EB19E04FFF21736FD7D24A5FC93FA60" box="[677,800,1433,1459]" italics="true" pageId="6" pageNumber="351">Morphology</emphasis>
</paragraph>
<paragraph id="AC7A4216FFF21736FD7D248BFD4EF9FE" blockId="6.[677,1210,1401,1581]" pageId="6" pageNumber="351">
Body irregularly globose, about
<quantity id="6B3DEFF3FFF21736FC27248BFBF9FA03" box="[1023,1098,1462,1489]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="6" pageNumber="351" unit="cm" value="1.5">1.5 cm</quantity>
in diameter with irregular surface and indented tubercles. Smooth, yellow ochre in alcohol. Large cortical lacunae.
</paragraph>
<paragraph id="AC7A4216FFF21736FD7D276DFCE3F9B9" blockId="6.[677,1210,1616,1704]" box="[677,848,1616,1643]" pageId="6" pageNumber="351">
<emphasis id="9EB19E04FFF21736FD7D276DFCE3F9B9" box="[677,848,1616,1643]" italics="true" pageId="6" pageNumber="351">
Skeleton (
<figureCitation id="34FE5E93FFF21736FCD0276CFCF5F9B9" box="[776,838,1616,1642]" captionStart="FIG" captionStartId="8.[677,688,786,803]" captionTargetBox="[676,1201,148,780]" captionTargetId="figure-163@8.[663,1225,135,799]" captionTargetPageId="8" captionText="FIG. 7. — Tethya topsenti; schematic drawing of the skeletal arrangement Scale bar: 0,2 mm." figureDoi="http://doi.org/10.5281/zenodo.5402013" httpUri="https://zenodo.org/record/5402013/files/figure.png" pageId="6" pageNumber="351">Fig. 7</figureCitation>
)
</emphasis>
</paragraph>
<paragraph id="AC7A4216FFF21738FD7D2753FDE2FEB1" blockId="6.[677,1210,1616,1704]" lastBlockId="8.[114,647,205,354]" lastPageId="8" lastPageNumber="353" pageId="6" pageNumber="351">Strongyloxea bundles distorted in their cortical tract running obliquely to the sponge surface. They branch and terminate in fans. Megasters diffused throughout the entire cortex and more rare and scattered in the choanosome. One category of micrasters in the cortex and in the choanosome, where they coat the sponge surface.</paragraph>
<caption id="F8BA129EFFF31737FFA92759FC5FF972" ID-DOI="http://doi.org/10.5281/zenodo.5402011" ID-Zenodo-Dep="5402011" httpUri="https://zenodo.org/record/5402011/files/figure.png" pageId="7" pageNumber="352" startId="7.[113,124,1637,1654]" targetBox="[123,1204,302,1600]" targetPageId="7">
<paragraph id="AC7A4216FFF31737FFA92759FC5FF972" blockId="7.[113,1209,1637,1697]" pageId="7" pageNumber="352">
FIG. 6. —
<taxonomicName id="6BC53995FFF31737FF1B2759FEEFF9A5" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[195,348,1637,1654]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="7" pageNumber="352" phylum="Porifera" rank="species" species="strongylata">
<emphasis id="9EB19E04FFF31737FF1B2759FEEFF9A5" box="[195,348,1637,1654]" italics="true" pageId="7" pageNumber="352">Tethya strongylata</emphasis>
</taxonomicName>
;
<emphasis id="9EB19E04FFF31737FEBF2759FEC7F9A5" bold="true" box="[359,372,1637,1654]" pageId="7" pageNumber="352">A</emphasis>
, the cortical region showing the megaster distribution;
<emphasis id="9EB19E04FFF31737FC9C2759FCD6F9A5" bold="true" box="[836,869,1637,1654]" pageId="7" pageNumber="352">B -E</emphasis>
, megascleres showing different steps of lenght reduction and width increase;
<emphasis id="9EB19E04FFF31737FE7D2747FE03F95F" bold="true" box="[421,432,1659,1676]" pageId="7" pageNumber="352">F</emphasis>
, megasters;
<emphasis id="9EB19E04FFF31737FDC32747FD9AF95F" bold="true" box="[539,553,1659,1676]" pageId="7" pageNumber="352">G</emphasis>
, a very short and plump strongyle;
<emphasis id="9EB19E04FFF31737FC962747FCEFF95F" bold="true" box="[846,860,1659,1676]" pageId="7" pageNumber="352">H</emphasis>
, SEM view of a megaster;
<emphasis id="9EB19E04FFF31737FBE22747FBF3F95F" bold="true" box="[1082,1088,1659,1676]" pageId="7" pageNumber="352">I</emphasis>
,
<emphasis id="9EB19E04FFF31737FB912747FBE0F95F" bold="true" box="[1097,1107,1659,1676]" pageId="7" pageNumber="352">J</emphasis>
, SEM views of tylasters. Scale bars: A, 250 µm; B, 300 µm; C-E, 60 µm; F, 50 µm; G, 25 µm; H, 11 µm; I, 2 µm; J, 4 µm.
</paragraph>
</caption>
<paragraph id="AC7A4216FFFC1738FFAA20A0FF71FE65" blockId="8.[114,647,412,828]" box="[114,194,412,438]" pageId="8" pageNumber="353">
<emphasis id="9EB19E04FFFC1738FFAA20A0FF71FE65" box="[114,194,412,438]" italics="true" pageId="8" pageNumber="353">Spicules</emphasis>
</paragraph>
<paragraph id="AC7A4216FFFC1738FFAA20F9FF07FDAA" blockId="8.[114,647,412,828]" pageId="8" pageNumber="353">Main strongyloxeas 800-1500 × 10-26 µm. Often these strongyloxeas have their distal end more or less rounded and are then transformed to anisostrongyles (Fig. 8A). Auxiliary strongyloxeas 450-600 × 3-12 µm. The two categories intergrade.</paragraph>
<paragraph id="AC7A4216FFFC1738FFAA23BBFE46FCEF" blockId="8.[114,647,412,828]" pageId="8" pageNumber="353">
<emphasis id="9EB19E04FFFC1738FFAA23BBFF5CFD72" bold="true" box="[114,239,647,673]" pageId="8" pageNumber="353">Megasters.</emphasis>
(Fig. 8B-D) Spherasters 15-70 µm (generally 30-60) in diameter. R/C = 0.4-0.8. Size variable with many young spicules. In the choanosome 15-44 µm in diameter with R/C = 0.2-0.5. Ray number 16-22. The short rays are conical but sometimes flask-shaped.
</paragraph>
<caption id="F8BA129EFFFC1738FD7D222EFC00FCEB" ID-DOI="http://doi.org/10.5281/zenodo.5402013" ID-Zenodo-Dep="5402013" httpUri="https://zenodo.org/record/5402013/files/figure.png" pageId="8" pageNumber="353" startId="8.[677,688,786,803]" targetBox="[676,1201,148,780]" targetPageId="8">
<paragraph id="AC7A4216FFFC1738FD7D222EFC00FCEB" blockId="8.[677,1209,786,824]" pageId="8" pageNumber="353">
FIG. 7. —
<taxonomicName id="6BC53995FFFC1738FD24222EFC30FCF0" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[764,899,786,803]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="8" pageNumber="353" phylum="Porifera" rank="species" species="topsenti">
<emphasis id="9EB19E04FFFC1738FD24222EFC30FCF0" box="[764,899,786,803]" italics="true" pageId="8" pageNumber="353">Tethya topsenti</emphasis>
</taxonomicName>
; schematic drawing of the skeletal arrangement Scale bar: 0,2 mm.
</paragraph>
</caption>
<paragraph id="AC7A4216FFFC1738FF4E2240FB19F8D1" pageId="8" pageNumber="353">
<table id="DEC5B0B6FFFCE8CFFFAA224DFB04F8D1" box="[114,1207,881,1794]" gridcols="6" gridrows="6" pageId="8" pageNumber="353">
<tr id="12F54054FFFCE8CFFFAA224DFB04FC46" box="[114,1207,881,917]" gridrow="0" pageId="8" pageNumber="353" rowspan-1="1" rowspan-2="1" rowspan-3="1" rowspan-5="1">
<th id="51242928FFFCE8CFFFAA224DFF0BFC46" box="[114,184,881,917]" gridcol="0" gridrow="0" pageId="8" pageNumber="353">A</th>
<th id="51242928FFFCE8CFFC9A224DFBDBFC46" box="[834,1128,881,917]" gridcol="4" gridrow="0" pageId="8" pageNumber="353">C</th>
</tr>
<tr id="12F54054FFFCE8CFFFAA2562FB04FBA4" box="[114,1207,1118,1143]" gridrow="1" pageId="8" pageNumber="353">
<th id="51242928FFFCE8CFFFAA2562FB04FBA4" box="[114,1207,1118,1143]" colspan="6" colspanRight="5" gridcol="0" gridrow="1" pageId="8" pageNumber="353">B</th>
</tr>
<tr id="12F54054FFFCE8CFFFAA2406FB04FA80" box="[114,1207,1338,1363]" gridrow="2" pageId="8" pageNumber="353" rowspan-1="1" rowspan-2="1" rowspan-5="1">
<th id="51242928FFFCE8CFFFAA2406FF0BFA80" box="[114,184,1338,1363]" gridcol="0" gridrow="2" pageId="8" pageNumber="353">D</th>
<td id="51242928FFFCE8CFFDC92406FC88FA80" box="[529,827,1338,1363]" gridcol="3" gridrow="2" pageId="8" pageNumber="353">E</td>
<td id="51242928FFFCE8CFFC9A2406FBDBFA80" box="[834,1128,1338,1363]" gridcol="4" gridrow="2" pageId="8" pageNumber="353">F</td>
</tr>
<tr id="12F54054FFFCE8CFFFAA2747FB04F95F" box="[114,1207,1659,1676]" gridrow="3" pageId="8" pageNumber="353">
<th id="51242928FFFCE8CFFFAA2747FF0BF95F" box="[114,184,1659,1676]" gridcol="0" gridrow="3" pageId="8" pageNumber="353">FIG. 8. —</th>
<td id="51242928FFFCE8CFFF1D2747FED7F95F" box="[197,356,1659,1676]" gridcol="1" gridrow="3" pageId="8" pageNumber="353">
<taxonomicName id="6BC53995FFFC1738FF1D2747FEF5F95F" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[197,326,1659,1676]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="8" pageNumber="353" phylum="Porifera" rank="species" species="topsenti">
<emphasis id="9EB19E04FFFC1738FF1D2747FEF5F95F" box="[197,326,1659,1676]" italics="true" pageId="8" pageNumber="353">Tethya topsenti</emphasis>
</taxonomicName>
;
<emphasis id="9EB19E04FFFC1738FE8A2747FEECF95F" bold="true" box="[338,351,1659,1676]" pageId="8" pageNumber="353">A</emphasis>
,
</td>
<td id="51242928FFFCE8CFFEB22747FDB8F95F" box="[362,523,1659,1676]" gridcol="2" gridrow="3" pageId="8" pageNumber="353">
anisostrongyles;
<emphasis id="9EB19E04FFFC1738FE202747FDB6F95F" bold="true" box="[504,517,1659,1676]" pageId="8" pageNumber="353">B</emphasis>
,
</td>
<td id="51242928FFFCE8CFFDC92747FC88F95F" box="[529,827,1659,1676]" gridcol="3" gridrow="3" pageId="8" pageNumber="353">
megasters;
<emphasis id="9EB19E04FFFC1738FDAC2747FD31F95F" bold="true" box="[628,642,1659,1676]" pageId="8" pageNumber="353">C</emphasis>
,
<emphasis id="9EB19E04FFFC1738FD562747FD2FF95F" bold="true" box="[654,668,1659,1676]" pageId="8" pageNumber="353">D</emphasis>
, SEM views of the
</td>
<td id="51242928FFFCE8CFFC9A2747FBDBF95F" box="[834,1128,1659,1676]" gridcol="4" gridrow="3" pageId="8" pageNumber="353">
megasters;
<emphasis id="9EB19E04FFFC1738FC7D2747FC02F95F" bold="true" box="[933,945,1659,1676]" pageId="8" pageNumber="353">E</emphasis>
,
<emphasis id="9EB19E04FFFC1738FC652747FC7BF95F" bold="true" box="[957,968,1659,1676]" pageId="8" pageNumber="353">F</emphasis>
, SEM views of the
</td>
<td id="51242928FFFCE8CFFBB62747FB04F95F" box="[1134,1207,1659,1676]" gridcol="5" gridrow="3" pageId="8" pageNumber="353">tylasters</td>
</tr>
<tr id="12F54054FFFCE8CFFFAA27ACFB04F972" box="[114,1207,1680,1697]" gridrow="4" pageId="8" pageNumber="353" rowspan-4="1" rowspan-5="1">
<th id="51242928FFFCE8CFFFAA27ACFC88F972" box="[114,827,1680,1697]" colspan="4" colspanRight="3" gridcol="0" gridrow="4" pageId="8" pageNumber="353">Scale bars: A, 70 µm; B, 60 µm; C, D, 30 µm; E, 3 µm; F, 2 µm.</th>
</tr>
<tr id="12F54054FFFCE8CFFFAA27D5FB04F8D1" box="[114,1207,1769,1794]" gridrow="5" pageId="8" pageNumber="353" rowspan-2="1" rowspan-3="1" rowspan-4="1">
<th id="51242928FFFCE8CFFFAA27D5FED7F8D1" box="[114,356,1769,1794]" colspan="2" colspanRight="1" gridcol="0" gridrow="5" pageId="8" pageNumber="353">ZOOSYSTEMA • 2000 • 22 (2)</th>
<td id="51242928FFFCE8CFFBB627D5FB04F8D1" box="[1134,1207,1769,1794]" gridcol="5" gridrow="5" pageId="8" pageNumber="353">
<pageNumber id="9C6E49C0FFFC1738FB5A27D6FB19F8D1" ambiguity="1" box="[1154,1194,1770,1794]" fuzzyness="0" pageId="8" pageNumber="353" score="29.0" value="353">
<pageTitle id="EC5A9A71FFFC1738FB5A27D6FB19F8D1" box="[1154,1194,1770,1794]" pageId="8" pageNumber="353">353</pageTitle>
</pageNumber>
</td>
</tr>
</table>
</paragraph>
<paragraph id="AC7A4216FFFC1739FB602747FF43FD8B" blockId="8.[1208,1212,1659,1676]" lastBlockId="9.[113,647,205,600]" lastPageId="9" lastPageNumber="354" pageId="8" pageNumber="353">
.
<emphasis id="9EB19E04FFFD1739FFA921F2FF42FF3B" bold="true" box="[113,241,206,232]" pageId="9" pageNumber="354">Micrasters.</emphasis>
(Fig. 8E, F) Tylasters generally 10- 12
<emphasis id="9EB19E04FFFD1739FF4C21D0FF11FED6" box="[148,162,236,261]" italics="true" pageId="9" pageNumber="354">µ</emphasis>
m both in the cortex and in the choanosome. The more frequent shape has rays rather thick with a swollen tylote tip formed by a tuft of spines which are lacking on the stem. Variants have more slender, and sometimes tapering rays with less distinct terminal knobs. Ray number is generally eight to ten, with a range from six to ten. In two spicular slides we found chiasters with short rays and a big centrum, 15
<emphasis id="9EB19E04FFFD1739FE0220DDFE5BFE29" box="[474,488,481,506]" italics="true" pageId="9" pageNumber="354">µ</emphasis>
m in diameter. As they are absent in the other spicular slides and in the sponge sections, they are likely foreign to this species.
</paragraph>
</subSubSection>
<subSubSection id="E4DF119DFFFD1739FFA92346FE38FBAC" pageId="9" pageNumber="354" type="discussion">
<paragraph id="AC7A4216FFFD1739FFA92346FF66FD41" blockId="9.[113,647,634,1305]" box="[113,213,634,660]" pageId="9" pageNumber="354">REMARKS</paragraph>
<paragraph id="AC7A4216FFFD1739FFA923A5FE38FBAC" blockId="9.[113,647,634,1305]" pageId="9" pageNumber="354">
<taxonomicName id="6BC53995FFFD1739FFA923A5FF53FD61" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[113,224,665,690]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="topsenti">
<emphasis id="9EB19E04FFFD1739FFA923A5FF53FD61" box="[113,224,665,690]" italics="true" pageId="9" pageNumber="354">T. topsenti</emphasis>
</taxonomicName>
is only roughly similar to
<taxonomicName id="6BC53995FFFD1739FDD623A5FF47FD00" authority="Sollas, 1888" authorityName="Sollas" authorityYear="1888" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="japonica">
<emphasis id="9EB19E04FFFD1739FDD623A5FD35FD61" box="[526,646,665,690]" italics="true" pageId="9" pageNumber="354">T. japonica</emphasis>
Sollas, 1888
</taxonomicName>
but can be separated by the clear distinction in the size and shape of its micrasters. The tylasters of
<taxonomicName id="6BC53995FFFD1739FEE323C9FE26FCDD" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[315,405,757,782]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="topsenti">
<emphasis id="9EB19E04FFFD1739FEE323C9FE26FCDD" box="[315,405,757,782]" italics="true" pageId="9" pageNumber="354">topsenti</emphasis>
</taxonomicName>
have a greater size, stouter and shorter rays, and more distinct terminal knobs. Other distinctive traits in
<taxonomicName id="6BC53995FFFD1739FDCF220FFD34FC9F" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[535,647,819,844]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="topsenti">
<emphasis id="9EB19E04FFFD1739FDCF220FFD34FC9F" box="[535,647,819,844]" italics="true" pageId="9" pageNumber="354">T. topsenti</emphasis>
</taxonomicName>
are the megaster distribution and the megaster shape; the megasters are present throughout the whole cortex and even the choanosome and have shorter rays.
<taxonomicName id="6BC53995FFFD1739FEC72291FE12FC15" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[287,417,941,966]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="topsenti">
<emphasis id="9EB19E04FFFD1739FEC72291FE12FC15" box="[287,417,941,966]" italics="true" pageId="9" pageNumber="354">T. topsenti</emphasis>
</taxonomicName>
is comparable to
<taxonomicName id="6BC53995FFFD1739FFA922F0FE35FC34" authority="Thiele, 1898" authorityName="Thiele" authorityYear="1898" box="[113,390,972,999]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="deformis">
<emphasis id="9EB19E04FFFD1739FFA922F0FF58FC34" box="[113,235,972,999]" italics="true" pageId="9" pageNumber="354">T. deformis</emphasis>
Thiele, 1898
</taxonomicName>
for the irregular body shape and distorted megasclere bundles, but these growth characters occasionally occur in a range of different species. In spicular traits, as the tylasters thick rays and absence of a centrum,
<taxonomicName id="6BC53995FFFD1739FDDB257BFDDCFBB3" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[515,623,1095,1120]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="topsenti">
<emphasis id="9EB19E04FFFD1739FDDB257BFDDCFBB3" box="[515,623,1095,1120]" italics="true" pageId="9" pageNumber="354">T. topsenti</emphasis>
</taxonomicName>
is different from
<taxonomicName id="6BC53995FFFD1739FEC82559FE37FB53" authorityName="Thiele" authorityYear="1898" box="[272,388,1125,1152]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="deformis">
<emphasis id="9EB19E04FFFD1739FEC82559FE37FB53" box="[272,388,1125,1152]" italics="true" pageId="9" pageNumber="354">T. deformis</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="E4DF119DFFFD1739FFA925B9FD40FE90" pageId="9" pageNumber="354" type="description">
<paragraph id="AC7A4216FFFD1739FFA925B9FD40FE90" blockId="9.[113,647,634,1305]" lastBlockId="9.[677,1210,205,323]" pageId="9" pageNumber="354">
Other
<taxonomicName id="6BC53995FFFD1739FF1025B9FECBFB4C" box="[200,376,1157,1183]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="undetermined">
<emphasis id="9EB19E04FFFD1739FF1025B9FEA5FB4C" box="[200,278,1157,1183]" italics="true" pageId="9" pageNumber="354">Tethya</emphasis>
species
</taxonomicName>
described from
<collectingCountry id="D4D20286FFFD1739FD9525B8FF51FB6E" name="New Caledonia" pageId="9" pageNumber="354">New Caledonia</collectingCountry>
are
<taxonomicName id="6BC53995FFFD1739FECE259FFE56FB6E" authority="Sara, 1992" authorityName="Sara" authorityYear="1992" box="[278,485,1187,1213]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="levii">
<emphasis id="9EB19E04FFFD1739FECE259FFED0FB6E" box="[278,355,1187,1213]" italics="true" pageId="9" pageNumber="354">T. levii</emphasis>
Sarà, 1992
</taxonomicName>
and
<taxonomicName id="6BC53995FFFD1739FDF9259FFED8FB0F" authority="Sara, 1992" authorityName="Sara" authorityYear="1992" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="novaecaledoniae">
<emphasis id="9EB19E04FFFD1739FDF9259FFF51FB0F" italics="true" pageId="9" pageNumber="354">T. novaecaledoniae</emphasis>
Sarà, 1992
</taxonomicName>
, both from deep waters, and
<taxonomicName id="6BC53995FFFD1739FF7D25DCFD35FB28" authority="Bergquist &amp; Kelly-Borges, 1991" authorityName="Bergquist &amp; Kelly-Borges" authorityYear="1991" box="[165,646,1248,1275]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="sollasi">
<emphasis id="9EB19E04FFFD1739FF7D25DCFEB5FB28" box="[165,262,1248,1275]" italics="true" pageId="9" pageNumber="354">T. sollasi</emphasis>
Bergquist &amp; Kelly-Borges, 1991
</taxonomicName>
found under plate-coral rubble of intertidal flats. From this last species
<taxonomicName id="6BC53995FFFD1739FC4D21F1FBB2FF35" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[917,1025,205,230]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="9" pageNumber="354" phylum="Porifera" rank="species" species="topsenti">
<emphasis id="9EB19E04FFFD1739FC4D21F1FBB2FF35" box="[917,1025,205,230]" italics="true" pageId="9" pageNumber="354">T. topsenti</emphasis>
</taxonomicName>
differs in several traits but especially for the micrasters features, and for the lack of a category of small microxyasters.
</paragraph>
</subSubSection>
</treatment>
</document>
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