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<document id="9E1D6A8383EA869D3CA7629D939A9D4B" 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="246CF300FFF01736FCF325F3FB33FBF7" 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 strongylata Sarà &amp; Bavestrello &amp; Calcinai 2000, n. sp." docType="treatment" docVersion="4" lastPageNumber="351" masterDocId="D8558B78FFF41730FFD8213CFFB3FFD3" masterDocTitle="New Tethya species (Porifera, Demospongiae) from the Pacific area" masterLastPageNumber="354" masterPageNumber="345" pageNumber="349" updateTime="1699233248411" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="55D5ABFFD3C040D75B070CAF718C4076">New Tethya species (Porifera, Demospongiae) from the Pacific area</mods:title>
</mods:titleInfo>
<mods:name id="A6B595594115600C8EEDB1D22DB41FDB" type="personal">
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<mods:namePart id="E7C1E51BA836FB9DF3EECF3CB943830D">Sarà, Michele</mods:namePart>
<mods:affiliation id="5ECD82EC514C67A68A398082117F4E55">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>
<mods:namePart id="2585B37E888984D42A47C568930FB60E">Bavestrello, Giorgio</mods:namePart>
<mods:affiliation id="FE656151296495E16C2B2ED63DE46085">Istituto di Scienze del Mare dellUniversità di Ancona, Via Brecce Bianche, I- 60131 Ancona (Italy)</mods:affiliation>
</mods:name>
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<mods:role id="CCBF0BCF930F3FD5F597036EFDA0994E">
<mods:roleTerm id="FBAF4FC7947595BF1960AE1DAC2C8A68">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="979016522BAC23A230428138FFA44892">Calcinai, Barbara</mods:namePart>
<mods:affiliation id="DE1E4E71D8B5572B8DB383C50807743E">Dipartimento per lo Studio del Territorio e delle sue Risorse, Università di Genova, Viale Benedetto XV, 5, I- 16132 Genova (Italy)</mods:affiliation>
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<mods:title id="C0E11878B77469E02720BFDB971DE4CA">Zoosystema</mods:title>
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<mods:part id="8D6A1169966C0684E2385DC9DE175551">
<mods:date id="F1BA7F1BD9E26B32D2EF48071BE17696">2000</mods:date>
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<mods:number id="1C6A2AD41CA33934929FC2217582C85F">22</mods:number>
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<mods:identifier id="237B561119A14FF73156E21F1163ADF0" type="DOI">10.5281/zenodo.5402001</mods:identifier>
<mods:identifier id="290E1C3D4AFDAB2FB0355563F8179121" type="ISSN">1638-9387</mods:identifier>
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<treatment id="246CF300FFF01736FCF325F3FB33FBF7" ID-DOI="http://doi.org/10.5281/zenodo.5477126" ID-Zenodo-Dep="5477126" LSID="urn:lsid:plazi:treatment:246CF300FFF01736FCF325F3FB33FBF7" httpUri="http://treatment.plazi.org/id/246CF300FFF01736FCF325F3FB33FBF7" lastPageId="6" lastPageNumber="351" pageId="4" pageNumber="349">
<subSubSection id="E4DF119DFFF01734FCF325F3FB80FB3B" box="[811,1075,1230,1257]" pageId="4" pageNumber="349" type="nomenclature">
<paragraph id="AC7A4216FFF01734FCF325F3FB80FB3B" blockId="4.[811,1075,1230,1257]" box="[811,1075,1230,1257]" pageId="4" pageNumber="349">
<heading id="F732F57AFFF01734FCF325F3FB80FB3B" box="[811,1075,1230,1257]" centered="true" fontSize="11" level="2" pageId="4" pageNumber="349" reason="2">
<taxonomicName id="6BC53995FFF01734FCF325F3FC41FB3A" ID-CoL="55KKN" authority="Sarà &amp; Bavestrello &amp; Calcinai, 2000" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[811,1010,1231,1257]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="4" pageNumber="349" phylum="Porifera" rank="species" species="strongylata" status="sp. nov.">
<emphasis id="9EB19E04FFF01734FCF325F3FC41FB3A" bold="true" box="[811,1010,1231,1257]" italics="true" pageId="4" pageNumber="349">Tethya strongylata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8582237FFFF01734FC2125F2FB80FB3B" box="[1017,1075,1230,1256]" pageId="4" pageNumber="349" rank="species">n. sp.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="E4DF119DFFF01734FD7D243FFC8CFAE6" pageId="4" pageNumber="349" type="materials_examined">
<paragraph id="AC7A4216FFF01734FD7D243FFC8CFAE6" blockId="4.[677,1210,1283,1490]" pageId="4" pageNumber="349">
TYPE
<collectionCode id="CAD4DAD3FFF01734FD39243FFCFBFACA" box="[737,840,1283,1306]" pageId="4" pageNumber="349">MATERIAL</collectionCode>
. —
<typeStatus id="737EFCB4FFF01734FCA32438FC65FACF" box="[891,982,1284,1308]" pageId="4" pageNumber="349" type="syntype">Syntypes</typeStatus>
(
<collectionCode id="CAD4DAD3FFF01734FC3E2438FB8BFACF" box="[998,1080,1284,1308]" pageId="4" pageNumber="349">BMNH</collectionCode>
1938:4:8:1, slide 1938:4:8).
</paragraph>
</subSubSection>
<subSubSection id="E4DF119DFFF01734FD7D2478FCCDFA43" pageId="4" pageNumber="349" type="etymology">
<paragraph id="AC7A4216FFF01734FD7D2478FCCDFA43" blockId="4.[677,1210,1283,1490]" pageId="4" pageNumber="349">ETYMOLOGY. — For the occurrence of many strongyles in the spicule complement some of which are very short and plump.</paragraph>
</subSubSection>
<subSubSection id="E4DF119DFFF01734FD7D249CFC94FA01" pageId="4" pageNumber="349" type="materials_examined">
<paragraph id="AC7A4216FFF01734FD7D249CFC94FA01" blockId="4.[677,1210,1283,1490]" pageId="4" pageNumber="349">
<typeStatus id="737EFCB4FFF01734FD7D249CFD64FA66" box="[677,727,1440,1463]" pageId="4" pageNumber="349">TYPE</typeStatus>
LOCALITY. —
<emphasis id="9EB19E04FFF01734FCB7249CFB82FA64" bold="true" box="[879,1073,1439,1464]" pageId="4" pageNumber="349">Galapagos Islands.</emphasis>
West side of James Island.
</paragraph>
</subSubSection>
<subSubSection id="E4DF119DFFF01736FD7D272EFDA1FA02" lastPageId="6" lastPageNumber="351" pageId="4" pageNumber="349" type="description">
<paragraph id="AC7A4216FFF01734FD7D272EFC85F9F9" blockId="4.[677,1210,1554,1704]" box="[677,822,1554,1580]" pageId="4" pageNumber="349">DESCRIPTION</paragraph>
<paragraph id="AC7A4216FFF01734FD7D270EFC93F99F" blockId="4.[677,1210,1554,1704]" box="[677,800,1586,1612]" pageId="4" pageNumber="349">
<emphasis id="9EB19E04FFF01734FD7D270EFC93F99F" box="[677,800,1586,1612]" italics="true" pageId="4" pageNumber="349">Morphology</emphasis>
</paragraph>
<paragraph id="AC7A4216FFF01736FD7D276DFD34FD67" blockId="4.[677,1210,1554,1704]" lastBlockId="6.[114,647,634,692]" lastPageId="6" lastPageNumber="351" pageId="4" pageNumber="349">
The
<specimenCount id="BAC3899FFFF01734FD02276CFCCFF9B8" box="[730,892,1616,1643]" pageId="4" pageNumber="349" type="generic">two specimens</specimenCount>
are globose and respectively of 2 and
<quantity id="6B3DEFF3FFF01734FCD42753FCF7F95B" box="[780,836,1646,1673]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="4" pageNumber="349" unit="cm" value="3.0">3 cm</quantity>
in diameter. The larger specimen has a large bud of
<quantity id="6B3DEFF3FFF01734FCA827B2FC01F974" box="[880,946,1677,1704]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="4" pageNumber="349" unit="mm" value="8.0">8 mm</quantity>
in diameter attached to the mother sponge by a short peduncle
<quantity id="6B3DEFF3FFF21736FD9A2347FD34FD47" box="[578,647,634,661]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="6" pageNumber="351" unit="mm" value="2.0">2 mm</quantity>
long. Tubercles flattened and cortex with lacunae.
</paragraph>
<caption id="F8BA129EFFF11735FFA92759FDFBF972" ID-DOI="http://doi.org/10.5281/zenodo.5402007" ID-Zenodo-Dep="5402007" httpUri="https://zenodo.org/record/5402007/files/figure.png" pageId="5" pageNumber="350" startId="5.[113,124,1637,1654]" targetBox="[184,1131,228,1600]" targetPageId="5">
<paragraph id="AC7A4216FFF11735FFA92759FDFBF972" blockId="5.[113,1211,1637,1697]" pageId="5" pageNumber="350">
FIG. 3. —
<taxonomicName id="6BC53995FFF11735FF192759FEACF9A5" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[193,287,1637,1654]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="5" pageNumber="350" phylum="Porifera" rank="species" species="simi">
<emphasis id="9EB19E04FFF11735FF192759FEACF9A5" box="[193,287,1637,1654]" italics="true" pageId="5" pageNumber="350">Tethya simi</emphasis>
</taxonomicName>
;
<emphasis id="9EB19E04FFF11735FEF12759FE85F9A5" bold="true" box="[297,310,1637,1654]" pageId="5" pageNumber="350">A</emphasis>
, holotype;
<emphasis id="9EB19E04FFF11735FE4A2759FE2CF9A5" bold="true" box="[402,415,1637,1654]" pageId="5" pageNumber="350">B</emphasis>
, strongyloxeas;
<emphasis id="9EB19E04FFF11735FDF12759FD84F9A5" bold="true" box="[553,567,1637,1654]" pageId="5" pageNumber="350">C</emphasis>
, the cortical region showing the megaster distribution;
<emphasis id="9EB19E04FFF11735FBD82759FBBDF9A5" bold="true" box="[1024,1038,1637,1654]" pageId="5" pageNumber="350">D</emphasis>
, the superficial layer of tylasters;
<emphasis id="9EB19E04FFF11735FF0F2747FF50F95F" bold="true" box="[215,227,1659,1676]" pageId="5" pageNumber="350">E</emphasis>
,
<emphasis id="9EB19E04FFF11735FF352747FF4BF95F" bold="true" box="[237,248,1659,1676]" pageId="5" pageNumber="350">F</emphasis>
, SEM views of megasters;
<emphasis id="9EB19E04FFF11735FE012747FE54F95F" bold="true" box="[473,487,1659,1676]" pageId="5" pageNumber="350">G</emphasis>
, SEM view of a tylaster;
<emphasis id="9EB19E04FFF11735FD6C2747FD60F95F" bold="true" box="[692,723,1659,1676]" pageId="5" pageNumber="350">H -J</emphasis>
, SEM views of oxyasters. Scale bars: A, 5 mm; B, 170 µm; C, 160 µm; D, 10 µm; E, F, 30 µm; G, 3.5 µm; H-J, 4 µm.
</paragraph>
</caption>
<caption id="F8BA129EFFF21736FFAA231CFE36FD94" ID-DOI="http://doi.org/10.5281/zenodo.5402009" ID-Zenodo-Dep="5402009" httpUri="https://zenodo.org/record/5402009/files/figure.png" pageId="6" pageNumber="351" startId="6.[114,125,544,561]" targetBox="[110,1210,198,517]" targetPageId="6">
<paragraph id="AC7A4216FFF21736FFAA231CFE36FD94" blockId="6.[114,647,544,583]" pageId="6" pageNumber="351">
FIG. 4. —
<taxonomicName id="6BC53995FFF21736FF17231CFE8AFDE2" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[207,313,544,561]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="species" species="simi">
<emphasis id="9EB19E04FFF21736FF17231CFE8AFDE2" box="[207,313,544,561]" italics="true" pageId="6" pageNumber="351">Tethya simi</emphasis>
</taxonomicName>
; schematic drawing of the skeletal arrangement. Scale bar: 0.7 mm.
</paragraph>
</caption>
<caption id="F8BA129EFFF21736FD7D231CFC1BFD94" pageId="6" pageNumber="351" startId="6.[677,688,544,561]">
<paragraph id="AC7A4216FFF21736FD7D231CFC1BFD94" blockId="6.[677,1209,544,583]" pageId="6" pageNumber="351">
FIG. 5. —
<taxonomicName id="6BC53995FFF21736FD21231CFC21FDE2" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[761,914,544,561]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="species" species="strongylata">
<emphasis id="9EB19E04FFF21736FD21231CFC21FDE2" box="[761,914,544,561]" italics="true" pageId="6" pageNumber="351">Tethya strongylata</emphasis>
</taxonomicName>
; schematic drawing of the skeletal arrangement. Scale bar: 1 mm.
</paragraph>
</caption>
<paragraph id="AC7A4216FFF21736FFAA23EBFEAFFD23" blockId="6.[114,647,726,907]" box="[114,284,726,753]" pageId="6" pageNumber="351">
<emphasis id="9EB19E04FFF21736FFAA23EBFEAFFD23" box="[114,284,726,753]" italics="true" pageId="6" pageNumber="351">
Skeleton (
<figureCitation id="34FE5E93FFF21736FF0D23EAFEA7FD23" box="[213,276,726,752]" captionStart="FIG" captionStartId="6.[677,688,544,561]" captionText="FIG. 5. — Tethya strongylata; schematic drawing of the skeletal arrangement. Scale bar: 1 mm." pageId="6" pageNumber="351">Fig. 5</figureCitation>
)
</emphasis>
</paragraph>
<paragraph id="AC7A4216FFF21736FFAA23CAFE05FC58" blockId="6.[114,647,726,907]" pageId="6" pageNumber="351">
Radial megasclere bundles not branched. Spherasters throughout the whole cortex, more densely in the inner layer (
<figureCitation id="34FE5E93FFF21736FE44220FFE40FC9E" box="[412,499,819,845]" captionStart="FIG" captionStartId="7.[113,124,1637,1654]" captionTargetBox="[123,1204,302,1600]" captionTargetId="figure-106@7.[123,1204,302,1603]" captionTargetPageId="7" captionText="FIG. 6. — Tethya strongylata; A, the cortical region showing the megaster distribution; B-E, megascleres showing different steps of lenght reduction and width increase; F, megasters; G, a very short and plump strongyle; H, SEM view of a megaster; I, J, 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." figureDoi="http://doi.org/10.5281/zenodo.5402011" httpUri="https://zenodo.org/record/5402011/files/figure.png" pageId="6" pageNumber="351">Fig. 6A</figureCitation>
). Some small spherasters in the choanosome. Sponge surface covered by cortical micrasters.
</paragraph>
<paragraph id="AC7A4216FFF21736FFAA2292FF71FC1B" blockId="6.[114,647,942,1489]" box="[114,194,942,968]" pageId="6" pageNumber="351">
<emphasis id="9EB19E04FFF21736FFAA2292FF71FC1B" box="[114,194,942,968]" italics="true" pageId="6" pageNumber="351">Spicules</emphasis>
</paragraph>
<paragraph id="AC7A4216FFF21736FFAA22F7FDBEFBB3" blockId="6.[114,647,942,1489]" pageId="6" pageNumber="351">
<emphasis id="9EB19E04FFF21736FFAA22F7FEB2FC36" bold="true" box="[114,257,971,997]" pageId="6" pageNumber="351">Megascleres.</emphasis>
Strongyloxeas (
<figureCitation id="34FE5E93FFF21736FE6B22F1FDB4FC34" box="[435,519,973,999]" captionStart="FIG" captionStartId="7.[113,124,1637,1654]" captionTargetBox="[123,1204,302,1600]" captionTargetId="figure-106@7.[123,1204,302,1603]" captionTargetPageId="7" captionText="FIG. 6. — Tethya strongylata; A, the cortical region showing the megaster distribution; B-E, megascleres showing different steps of lenght reduction and width increase; F, megasters; G, a very short and plump strongyle; H, SEM view of a megaster; I, J, 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." figureDoi="http://doi.org/10.5281/zenodo.5402011" httpUri="https://zenodo.org/record/5402011/files/figure.png" pageId="6" pageNumber="351">Fig. 6B</figureCitation>
) or anisostrongyles (
<figureCitation id="34FE5E93FFF21736FF3222D7FEF1FBD6" box="[234,322,1003,1029]" captionStart="FIG" captionStartId="7.[113,124,1637,1654]" captionTargetBox="[123,1204,302,1600]" captionTargetId="figure-106@7.[123,1204,302,1603]" captionTargetPageId="7" captionText="FIG. 6. — Tethya strongylata; A, the cortical region showing the megaster distribution; B-E, megascleres showing different steps of lenght reduction and width increase; F, megasters; G, a very short and plump strongyle; H, SEM view of a megaster; I, J, 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." figureDoi="http://doi.org/10.5281/zenodo.5402011" httpUri="https://zenodo.org/record/5402011/files/figure.png" pageId="6" pageNumber="351">Fig. 6C</figureCitation>
) frequently shortened, 500- 2000 × 18-33 µm. Some spicules are short and plump strongyles, anisostrongyles and styles (
<figureCitation id="34FE5E93FFF21736FFA1257BFEA3FBB2" box="[121,272,1094,1121]" captionStart="FIG" captionStartId="7.[113,124,1637,1654]" captionTargetBox="[123,1204,302,1600]" captionTargetId="figure-106@7.[123,1204,302,1603]" captionTargetPageId="7" captionText="FIG. 6. — Tethya strongylata; A, the cortical region showing the megaster distribution; B-E, megascleres showing different steps of lenght reduction and width increase; F, megasters; G, a very short and plump strongyle; H, SEM view of a megaster; I, J, 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." figureDoi="http://doi.org/10.5281/zenodo.5402011" httpUri="https://zenodo.org/record/5402011/files/figure.png" pageId="6" pageNumber="351">Fig. 6D, E, G</figureCitation>
) 140-300 × 40-60 µm.
</paragraph>
<paragraph id="AC7A4216FFF21736FFAA2559FE2CFAEB" blockId="6.[114,647,942,1489]" pageId="6" pageNumber="351">
<emphasis id="9EB19E04FFF21736FFAA2559FF54FBAC" bold="true" box="[114,231,1125,1151]" pageId="6" pageNumber="351">Megasters.</emphasis>
(
<figureCitation id="34FE5E93FFF21736FF20255AFEF9FB53" box="[248,330,1126,1152]" captionStart="FIG" captionStartId="7.[113,124,1637,1654]" captionTargetBox="[123,1204,302,1600]" captionTargetId="figure-106@7.[123,1204,302,1603]" captionTargetPageId="7" captionText="FIG. 6. — Tethya strongylata; A, the cortical region showing the megaster distribution; B-E, megascleres showing different steps of lenght reduction and width increase; F, megasters; G, a very short and plump strongyle; H, SEM view of a megaster; I, J, 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." figureDoi="http://doi.org/10.5281/zenodo.5402011" httpUri="https://zenodo.org/record/5402011/files/figure.png" pageId="6" pageNumber="351">Fig. 6F</figureCitation>
) Spherasters with short rays, in the cortex 40-85 µm and in the choanosome 35-48 µm in diameter, R/C = 0.1-0.7, frequently 0.5. Rays may be distorted, forked, spined or reduced to hemispherical outgrowths (
<figureCitation id="34FE5E93FFF21736FDC625DDFDCAFB28" box="[542,633,1249,1275]" captionStart="FIG" captionStartId="7.[113,124,1637,1654]" captionTargetBox="[123,1204,302,1600]" captionTargetId="figure-106@7.[123,1204,302,1603]" captionTargetPageId="7" captionText="FIG. 6. — Tethya strongylata; A, the cortical region showing the megaster distribution; B-E, megascleres showing different steps of lenght reduction and width increase; F, megasters; G, a very short and plump strongyle; H, SEM view of a megaster; I, J, 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." figureDoi="http://doi.org/10.5281/zenodo.5402011" httpUri="https://zenodo.org/record/5402011/files/figure.png" pageId="6" pageNumber="351">Fig. 6H</figureCitation>
), often with different ray aspects in the same spicule. Ray number 24-30.
</paragraph>
<paragraph id="AC7A4216FFF21736FFAA2401FDA1FA02" blockId="6.[114,647,942,1489]" pageId="6" pageNumber="351">
<emphasis id="9EB19E04FFF21736FFAA2401FF5CFA84" bold="true" box="[114,239,1341,1367]" pageId="6" pageNumber="351">Micrasters.</emphasis>
(
<figureCitation id="34FE5E93FFF21736FF262401FED2FA85" box="[254,353,1340,1367]" captionStart="FIG" captionStartId="7.[113,124,1637,1654]" captionTargetBox="[123,1204,302,1600]" captionTargetId="figure-106@7.[123,1204,302,1603]" captionTargetPageId="7" captionText="FIG. 6. — Tethya strongylata; A, the cortical region showing the megaster distribution; B-E, megascleres showing different steps of lenght reduction and width increase; F, megasters; G, a very short and plump strongyle; H, SEM view of a megaster; I, J, 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." figureDoi="http://doi.org/10.5281/zenodo.5402011" httpUri="https://zenodo.org/record/5402011/files/figure.png" pageId="6" pageNumber="351">Fig. 6I, J</figureCitation>
) Tylasters 10-14 µm in diameter, generally 11-12 µm. As the rays are entirely spined the apical knob, a little more densely spined, is not distinct. Some tylasters have a small centrum. Ray number generally 12-14.
</paragraph>
</subSubSection>
<subSubSection id="E4DF119DFFF21736FFAA24C8FB33FBF7" pageId="6" pageNumber="351" type="discussion">
<paragraph id="AC7A4216FFF21736FFAA24C8FF65F9DF" blockId="6.[114,647,1524,1704]" box="[114,214,1524,1550]" pageId="6" pageNumber="351">REMARKS</paragraph>
<paragraph id="AC7A4216FFF21736FFAA272FFB33FBF7" blockId="6.[114,647,1524,1704]" lastBlockId="6.[677,1210,634,1060]" pageId="6" pageNumber="351">
<taxonomicName id="6BC53995FFF21736FFAA272FFEBBF9FE" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[114,264,1555,1581]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="species" species="strongylata">
<emphasis id="9EB19E04FFF21736FFAA272FFEBBF9FE" box="[114,264,1555,1581]" italics="true" pageId="6" pageNumber="351">T. strongylata</emphasis>
</taxonomicName>
is characterized by the shortened megascleres which are often anisostrongyles with some short and plump strongyles and styles. The megasters are also peculiar as they are frequently reduced and irregular. The rays are unusually short and numerous. In contrast, micrasters show a great uniformity in size and shape. They differ from the
<taxonomicName id="6BC53995FFF21736FCDF2384FBB2FD00" authority="Sollas, 1888" authorityName="Sollas" authorityYear="1888" box="[775,1025,696,723]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="species" species="japonica">
<emphasis id="9EB19E04FFF21736FCDF2384FCCAFD02" box="[775,889,696,721]" italics="true" pageId="6" pageNumber="351">T. japonica</emphasis>
Sollas, 1888
</taxonomicName>
tylasters for their greater size, number and robustness of rays, and from those of
<taxonomicName id="6BC53995FFF21736FCE423C9FBF3FCC3" authority="Thiele, 1898" authorityName="Thiele" authorityYear="1898" box="[828,1088,757,784]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="species" species="deformis">
<emphasis id="9EB19E04FFF21736FCE423C9FC1CFCC3" box="[828,943,757,784]" italics="true" pageId="6" pageNumber="351">T. deformis</emphasis>
Thiele, 1898
</taxonomicName>
for the less frequent and smaller development of the centrum.
<taxonomicName id="6BC53995FFF21736FD7D220FFC8AFC9E" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" box="[677,825,819,845]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="species" species="strongylata">
<emphasis id="9EB19E04FFF21736FD7D220FFC8AFC9E" box="[677,825,819,845]" italics="true" pageId="6" pageNumber="351">T. strongylata</emphasis>
</taxonomicName>
is the second species of
<taxonomicName id="6BC53995FFF21736FB90220FFB3CFC9E" authorityName="Lamarck" authorityYear="1814" box="[1096,1167,819,845]" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="genus">
<emphasis id="9EB19E04FFF21736FB90220FFB3CFC9E" box="[1096,1167,819,845]" italics="true" pageId="6" pageNumber="351">Tethya</emphasis>
</taxonomicName>
described for the Galapagos Islands. The other species is
<taxonomicName id="6BC53995FFF21736FCCC224CFC92FC7A" authority="Desqueroux-Faundez &amp; Van Soest, 1997" authorityName="Desqueroux-Faundez &amp; Van Soest" authorityYear="1997" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="species" species="sarai">
<emphasis id="9EB19E04FFF21736FCCC224CFCD4FC5A" box="[788,871,880,905]" italics="true" pageId="6" pageNumber="351">T. sarai</emphasis>
Desqueroux-Faundez &amp; Van Soest, 1997
</taxonomicName>
which is distinguished from
<taxonomicName id="6BC53995FFF21736FB8D22B3FD0AFC15" authorityName="Sarà &amp; Bavestrello &amp; Calcinai" authorityYear="2000" class="Demospongiae" family="Tethyidae" genus="Tethya" kingdom="Animalia" order="Tethyida" pageId="6" pageNumber="351" phylum="Porifera" rank="species" species="strongylata">
<emphasis id="9EB19E04FFF21736FB8D22B3FD0AFC15" italics="true" pageId="6" pageNumber="351">strongylata</emphasis>
</taxonomicName>
not only by the lack of the peculiar traits of this species but also in possessing a category of choanosomal strongylasters/tylasters which are well distinguished from the cortical tylasters.
</paragraph>
</subSubSection>
</treatment>
</document>