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<document id="2B01990B783C75E3B878A0C828D8B6C3" ID-DOI="10.11646/zootaxa.3692.1.5" ID-GBIF-Dataset="ddffc7b3-2654-49ec-b046-f32bc78af2d6" ID-ISSN="1175-5326" ID-Zenodo-Dep="249019" ID-ZooBank="136660B8-7DCC-490E-AB79-46546CC18E40" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460652068901" checkinUser="plazi" docAuthor="Göcke, Christian &amp; Janussen, Dorte" docDate="2013" docId="03EF87D0CD1D883380BEF9DFFA80FEF5" docLanguage="en" docName="zt03692p101.pdf" docOrigin="Zootaxa 3692 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Desmacella koltuni Göcke &amp; Janussen, 2013, sp. nov." docType="treatment" docVersion="9" lastPageNumber="76" masterDocId="FFD6FFA8CD3388028029FF93FFE4FFE9" masterDocTitle="Demospongiae of ANT XXIV / 2 (SYSTCO I) Expedition — Antarctic Eastern Weddell Sea" masterLastPageNumber="101" masterPageNumber="28" pageNumber="74" updateTime="1698343927236" updateUser="plazi">
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<mods:title id="662CC6437455BB48B5E2F900FD457008">Demospongiae of ANT XXIV / 2 (SYSTCO I) Expedition — Antarctic Eastern Weddell Sea</mods:title>
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<mods:namePart id="0D2F75F7786DE212A8E9A52441A4BBE4">Göcke, Christian</mods:namePart>
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<mods:namePart id="BF7469000E3AB87A7D36111495A7711A">Janussen, Dorte</mods:namePart>
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<mods:title id="D447DFD27059C7D11B47DC3326FD27EA">Zootaxa</mods:title>
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<mods:date id="8BF6373C539B29085664DFB2F16D0FAD">2013</mods:date>
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<mods:number id="DAB0E6467EB1A1A2CBE9D05A4259F755">3692</mods:number>
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<mods:identifier id="A60DEF6DB52F7441FB0FD98D5349B6DA" type="DOI">10.11646/zootaxa.3692.1.5</mods:identifier>
<mods:identifier id="41184879FFC001D221852016E64C2450" type="GBIF-Dataset">ddffc7b3-2654-49ec-b046-f32bc78af2d6</mods:identifier>
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<treatment id="03EF87D0CD1D883380BEF9DFFA80FEF5" ID-DOI="http://doi.org/10.5281/zenodo.6145315" ID-GBIF-Taxon="119573152" ID-Zenodo-Dep="6145315" LSID="urn:lsid:plazi:treatment:03EF87D0CD1D883380BEF9DFFA80FEF5" httpUri="http://treatment.plazi.org/id/03EF87D0CD1D883380BEF9DFFA80FEF5" lastPageId="49" lastPageNumber="76" pageId="46" pageNumber="74">
<subSubSection id="C35C654DCD1D882C80BEF9DFFDD6F90F" pageId="46" pageNumber="74" type="nomenclature">
<paragraph id="8BF936C6CD1D882C80BEF9DFFE01F98C" blockId="46.[151,485,1611,1670]" box="[151,485,1611,1638]" pageId="46" pageNumber="74">
<heading id="D0B181AACD1D882C80BEF9DFFE01F98C" bold="true" box="[151,485,1611,1638]" fontSize="11" level="1" pageId="46" pageNumber="74" reason="1">
<emphasis id="B932EAD4CD1D882C80BEF9DFFE01F98C" bold="true" box="[151,485,1611,1638]" pageId="46" pageNumber="74">
<taxonomicName id="4C464D45CD1D882C80BEF9DFFE65F98F" box="[151,385,1612,1638]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="46" pageNumber="74" phylum="Porifera" rank="species" species="koltuni" status="sp. nov.">
<emphasis id="B932EAD4CD1D882C80BEF9DFFE65F98F" bold="true" box="[151,385,1612,1638]" italics="true" pageId="46" pageNumber="74">Desmacella koltuni</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20157AFCD1D882C81A1F9D8FE01F98C" box="[392,485,1611,1637]" pageId="46" pageNumber="74" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BF936C6CD1D882C80BEF9FDFEBEF96F" blockId="46.[151,485,1611,1670]" box="[151,346,1646,1670]" pageId="46" pageNumber="74">
(
<figureCitation id="137D2A43CD1D882C80B6F9FDFF16F96F" box="[159,242,1646,1670]" captionStart="FIGURE 17" captionStartId="47.[151,250,1953,1976]" captionTargetBox="[172,1416,176,1935]" captionTargetId="figure@47.[172,1416,175,1935]" captionTargetPageId="47" captionText="FIGURE 17. Desmacella koltuni sp. nov., SMF 11799, holotype. A, habit in ethanol, long spicules on the right are foreign, probably of Rossella - origin. B, skeletal section. C, large style. D, small style. E, c-shaped sigma. F, rare s-shaped sigma. Scale bars: A: 10 mm, B: 1 mm, C – D: 100 µm, E: 30 µm, F: 10 µm." httpUri="https://zenodo.org/record/249036/files/figure.png" pageId="46" pageNumber="74">Fig. 17</figureCitation>
,
<tableCitation id="C6C4037DCD1D882C80D4F9FDFEB5F96F" box="[253,337,1646,1670]" captionStart="TABLE 13" captionStartId="48.[151,239,795,819]" captionTargetBox="[159,1207,878,1273]" captionTargetPageId="48" captionText="TABLE 13. Spicule sizes of Desmacella koltuni sp. nov. Values in µm are given as follows: minimum – mean – maximum (number of spicules measured). For comparison, values from Koltun's (1976) Tyloderma sp. are given." httpUri="http://table.plazi.org/id/DF39664ECD03883280BEFC88FB39FCBA" pageId="46" pageNumber="74" tableUuid="DF39664ECD03883280BEFC88FB39FCBA">Tab. 13</tableCitation>
)
</paragraph>
<paragraph id="8BF936C6CD1D882C80BEF921FEE8F92E" blockId="46.[151,562,1714,1766]" box="[151,268,1714,1735]" pageId="46" pageNumber="74">Synonymy:</paragraph>
<paragraph id="8BF936C6CD1D882C80BEF943FDD6F90F" blockId="46.[151,562,1714,1766]" box="[151,562,1744,1766]" pageId="46" pageNumber="74">
?
<taxonomicName id="4C464D45CD1D882C8081F943FEF6F90F" box="[168,274,1744,1766]" class="Demospongiae" family="Biemnidae" genus="Tylodesma" higherTaxonomySource="CoL" kingdom="Animalia" order="Biemnida" pageId="46" pageNumber="74" phylum="Porifera" rank="genus">
<emphasis id="B932EAD4CD1D882C8081F943FEF6F90F" box="[168,274,1744,1766]" italics="true" pageId="46" pageNumber="74">Tylodesma</emphasis>
</taxonomicName>
sp. Koltun 1976: 177, fig.5.
</paragraph>
</subSubSection>
<subSubSection id="C35C654DCD1D882C80BEF881FA72F8C3" box="[151,1430,1810,1835]" pageId="46" pageNumber="74" type="materials_examined">
<paragraph id="8BF936C6CD1D882C80BEF881FA72F8C3" blockId="46.[151,1436,1810,1979]" box="[151,1430,1810,1835]" pageId="46" pageNumber="74">
<emphasis id="B932EAD4CD1D882C80BEF881FEE2F8C2" bold="true" box="[151,262,1810,1835]" pageId="46" pageNumber="74">Material.</emphasis>
<specimenCount id="9D40FD4FCD1D882C8125F881FE68F8C3" box="[268,396,1810,1834]" pageId="46" pageNumber="74" type="generic">1 specimen</specimenCount>
from station 048-1 (SMF 11799,
<typeStatus id="54FD8864CD1D882C832CF881FC8FF8C3" box="[773,875,1810,1834]" pageId="46" pageNumber="74" type="holotype">holotype</typeStatus>
),
<quantity id="4CBE9B23CD1D882C8357F881FC38F8C3" box="[894,988,1810,1834]" metricMagnitude="2" metricUnit="m" metricValue="6.021" pageId="46" pageNumber="74" unit="m" value="602.1">602.1 m</quantity>
,
<geoCoordinate id="EE725001CD1D882C83C1F881FB96F8C3" box="[1000,1138,1810,1834]" direction="south" orientation="latitude" pageId="46" pageNumber="74" precision="9" value="-70.399">70° 23.94' S</geoCoordinate>
,
<geoCoordinate id="EE725001CD1D882C8456F881FAE1F8C3" box="[1151,1285,1810,1834]" direction="west" orientation="longitude" pageId="46" pageNumber="74" precision="9" value="-8.319">8° 19.14' W</geoCoordinate>
,
<date id="FFF81006CD1D882C8539F881FA75F8C3" box="[1296,1425,1810,1834]" pageId="46" pageNumber="74" value="2008-12-01">12.01.2008</date>
.
</paragraph>
</subSubSection>
<subSubSection id="C35C654DCD1D882C80EEF8A5FE27F852" pageId="46" pageNumber="74" type="diagnosis">
<paragraph id="8BF936C6CD1D882C80EEF8A5FE27F852" blockId="46.[151,1436,1810,1979]" pageId="46" pageNumber="74">
<emphasis id="B932EAD4CD1D882C80EEF8A5FEA5F8A6" bold="true" box="[199,321,1846,1871]" pageId="46" pageNumber="74">Diagnosis.</emphasis>
Upright tubular sponges with bristle surface. Skeleton poorly organized, plumose tracts of styles with bouquets of smaller styles added in the ectosome. Spicules large styles 810 to 1175 (mean 1030)
<date id="FFF81006CD1D882C853CF8C8FAA3F89B" box="[1301,1351,1882,1906]" pageId="46" pageNumber="74" value="1920-10">x 20</date>
to 32.5 (mean 28) µm, small styles 370 to 500 (mean 428) x 8.75 to 12.5 (mean 11) µm and sigmas 30 to 37.5 (mean 34) x 16.25 to 20 (mean 18) µm.
</paragraph>
</subSubSection>
<caption id="DF39664ECD1C882D80BEF832FCEBF81C" httpUri="https://zenodo.org/record/249036/files/figure.png" pageId="47" pageNumber="75" targetBox="[172,1416,176,1935]" targetPageId="47">
<paragraph id="8BF936C6CD1C882D80BEF832FCEBF81C" blockId="47.[151,1436,1953,2037]" pageId="47" pageNumber="75">
<emphasis id="B932EAD4CD1C882D80BEF832FEC5F85E" bold="true" box="[151,289,1953,1976]" pageId="47" pageNumber="75">FIGURE 17.</emphasis>
<taxonomicName id="4C464D45CD1C882D8100F831FE0BF851" box="[297,495,1954,1976]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="47" pageNumber="75" phylum="Porifera" rank="species" species="koltuni" status="sp. nov.">
<emphasis id="B932EAD4CD1C882D8100F831FE0BF851" box="[297,495,1954,1976]" italics="true" pageId="47" pageNumber="75">Desmacella koltuni</emphasis>
</taxonomicName>
<emphasis id="B932EAD4CD1C882D81DEF831FDADF85E" bold="true" box="[503,585,1954,1975]" pageId="47" pageNumber="75">
<taxonomicNameLabel id="A20157AFCD1C882D81DEF831FDADF85E" box="[503,585,1954,1975]" pageId="47" pageNumber="75" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, SMF 11799, holotype. A, habit in ethanol, long spicules on the right are foreign, probably of
<taxonomicName id="4C464D45CD1C882D813AF853FE8DF83F" box="[275,361,1984,2006]" class="Hexactinellida" family="Rossellidae" genus="Rossella" kingdom="Animalia" order="Lyssacinosida" pageId="47" pageNumber="75" phylum="Porifera" rank="genus">
<emphasis id="B932EAD4CD1C882D813AF853FE8DF83F" box="[275,361,1984,2006]" italics="true" pageId="47" pageNumber="75">Rossella</emphasis>
</taxonomicName>
-origin. B, skeletal section. C, large style. D, small style. E, c-shaped sigma. F, rare s-shaped sigma. Scale bars: A: 10 mm, B: 1 mm, C–D: 100 µm, E: 30 µm, F: 10 µm.
</paragraph>
</caption>
<subSubSection id="C35C654DCD03883280EEFF04FD77FD06" pageId="48" pageNumber="76" type="description">
<paragraph id="8BF936C6CD03883280EEFF04FB17FED6" blockId="48.[151,1437,151,751]" pageId="48" pageNumber="76">
<emphasis id="B932EAD4CD03883280EEFF04FEBDFF59" bold="true" box="[199,345,151,176]" pageId="48" pageNumber="76">Description.</emphasis>
Specimen (
<figureCitation id="137D2A43CD03883281C8FF04FDD7FF46" box="[481,563,151,175]" captionStart="FIGURE 17" captionStartId="47.[151,250,1953,1976]" captionTargetBox="[172,1416,176,1935]" captionTargetId="figure@47.[172,1416,175,1935]" captionTargetPageId="47" captionText="FIGURE 17. Desmacella koltuni sp. nov., SMF 11799, holotype. A, habit in ethanol, long spicules on the right are foreign, probably of Rossella - origin. B, skeletal section. C, large style. D, small style. E, c-shaped sigma. F, rare s-shaped sigma. Scale bars: A: 10 mm, B: 1 mm, C – D: 100 µm, E: 30 µm, F: 10 µm." httpUri="https://zenodo.org/record/249036/files/figure.png" pageId="48" pageNumber="76">Fig. 17</figureCitation>
A) complete, but damaged about one third above the base. Sponge growing upright, tubular, widening towards the upper end, about
<quantity id="4CBE9B23CD0388328336FF2FFC94FF3D" box="[799,880,188,212]" metricMagnitude="-2" metricUnit="m" metricValue="8.0" pageId="48" pageNumber="76" unit="mm" value="80.0">80 mm</quantity>
high with a maximal diameter of about
<quantity id="4CBE9B23CD038832856DFF2FFA7DFF3D" box="[1348,1433,188,212]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="48" pageNumber="76" unit="mm" value="30.0">30 mm</quantity>
. Basal attachment site with diameter about
<quantity id="4CBE9B23CD038832825DFF4CFD22FF1E" box="[628,710,223,247]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="48" pageNumber="76" unit="mm" value="10.0">10 mm</quantity>
. Without distinct large osculum, but Surface bearing many small pores/oscula. Sponge rather dense, without inner cavity, but a system of aquiferous canals present, firm, but compressible. Surface bristled by short protruding spicule bundles. Color in alcohol greyish yellow.
</paragraph>
<paragraph id="8BF936C6CD03883280EEFEDFFDEBFE1D" blockId="48.[151,1437,151,751]" pageId="48" pageNumber="76">
Skeleton: Skeleton not well organized, based on long plumose tracts of large styles which run towards surface (
<figureCitation id="137D2A43CD03883280B6FEFCFF15FE6E" box="[159,241,367,391]" captionStart="FIGURE 17" captionStartId="47.[151,250,1953,1976]" captionTargetBox="[172,1416,176,1935]" captionTargetId="figure@47.[172,1416,175,1935]" captionTargetPageId="47" captionText="FIGURE 17. Desmacella koltuni sp. nov., SMF 11799, holotype. A, habit in ethanol, long spicules on the right are foreign, probably of Rossella - origin. B, skeletal section. C, large style. D, small style. E, c-shaped sigma. F, rare s-shaped sigma. Scale bars: A: 10 mm, B: 1 mm, C – D: 100 µm, E: 30 µm, F: 10 µm." httpUri="https://zenodo.org/record/249036/files/figure.png" pageId="48" pageNumber="76">Fig. 17</figureCitation>
B). Tracts not consistent, their thickness and composition changing regularly, confusedly interconnected by single large styles. Large styles in choanosome sometimes accompanied by small styles. At the end of tracts, in ectosome, bundles or bouquets of small styles added, forming the bristly sponge surface. Numerous sigmas occuring free within entire tissue.
</paragraph>
<paragraph id="8BF936C6CD03883280EEFE6CFD77FD06" blockId="48.[151,1437,151,751]" pageId="48" pageNumber="76">
Spiculation (
<tableCitation id="C6C4037DCD038832817FFE6CFE4AFDFE" box="[342,430,511,535]" captionStart="TABLE 13" captionStartId="48.[151,239,795,819]" captionTargetBox="[159,1207,878,1273]" captionTargetPageId="48" captionText="TABLE 13. Spicule sizes of Desmacella koltuni sp. nov. Values in µm are given as follows: minimum – mean – maximum (number of spicules measured). For comparison, values from Koltun's (1976) Tyloderma sp. are given." httpUri="http://table.plazi.org/id/DF39664ECD03883280BEFC88FB39FCBA" pageId="48" pageNumber="76" tableUuid="DF39664ECD03883280BEFC88FB39FCBA">Tab. 13</tableCitation>
): 1. large styles (
<figureCitation id="137D2A43CD0388328247FE6CFD5AFDFE" box="[622,702,511,535]" captionStart="FIGURE 17" captionStartId="47.[151,250,1953,1976]" captionTargetBox="[172,1416,176,1935]" captionTargetId="figure@47.[172,1416,175,1935]" captionTargetPageId="47" captionText="FIGURE 17. Desmacella koltuni sp. nov., SMF 11799, holotype. A, habit in ethanol, long spicules on the right are foreign, probably of Rossella - origin. B, skeletal section. C, large style. D, small style. E, c-shaped sigma. F, rare s-shaped sigma. Scale bars: A: 10 mm, B: 1 mm, C – D: 100 µm, E: 30 µm, F: 10 µm." httpUri="https://zenodo.org/record/249036/files/figure.png" pageId="48" pageNumber="76">Fig. 17</figureCitation>
C), 810 to 1175 (mean 1030) µm in length, 20 to 32.5 (mean 28) µm in diameter. These often slightly bent about one third from the blunt end, otherwise mostly straight. Acute top end often blunted, giving style the character of a pseudo-strongyle, while identity as a style still recognizable from differences between the two endings. 2. small styles (
<figureCitation id="137D2A43CD03883282D9FDFFFCA5FD6D" box="[752,833,620,644]" captionStart="FIGURE 17" captionStartId="47.[151,250,1953,1976]" captionTargetBox="[172,1416,176,1935]" captionTargetId="figure@47.[172,1416,175,1935]" captionTargetPageId="47" captionText="FIGURE 17. Desmacella koltuni sp. nov., SMF 11799, holotype. A, habit in ethanol, long spicules on the right are foreign, probably of Rossella - origin. B, skeletal section. C, large style. D, small style. E, c-shaped sigma. F, rare s-shaped sigma. Scale bars: A: 10 mm, B: 1 mm, C – D: 100 µm, E: 30 µm, F: 10 µm." httpUri="https://zenodo.org/record/249036/files/figure.png" pageId="48" pageNumber="76">Fig. 17</figureCitation>
D) 370 to 500 (mean 428) µm in length, 8.75 to 12.5 (mean 11) µm in diameter. These mainly straight, rarely slightly bent similar to large ones. 3. microscleres small sigmas (
<figureCitation id="137D2A43CD03883280DFFD27FEACFD25" box="[246,328,692,716]" captionStart="FIGURE 17" captionStartId="47.[151,250,1953,1976]" captionTargetBox="[172,1416,176,1935]" captionTargetId="figure@47.[172,1416,175,1935]" captionTargetPageId="47" captionText="FIGURE 17. Desmacella koltuni sp. nov., SMF 11799, holotype. A, habit in ethanol, long spicules on the right are foreign, probably of Rossella - origin. B, skeletal section. C, large style. D, small style. E, c-shaped sigma. F, rare s-shaped sigma. Scale bars: A: 10 mm, B: 1 mm, C – D: 100 µm, E: 30 µm, F: 10 µm." httpUri="https://zenodo.org/record/249036/files/figure.png" pageId="48" pageNumber="76">Fig. 17</figureCitation>
E–F), 30 to 37.5 (mean 34) µm in length, 16.25 to 20 (mean 18) µm in width, mainly c-shaped, sometimes slightly distorted, rarely s-shaped.
</paragraph>
</subSubSection>
<caption id="DF39664ECD03883280BEFC88FB39FCBA" ID-Table-UUID="DF39664ECD03883280BEFC88FB39FCBA" httpUri="http://table.plazi.org/id/DF39664ECD03883280BEFC88FB39FCBA" pageId="48" pageNumber="76" targetBox="[159,1207,878,1273]" targetIsTable="true" targetPageId="48">
<paragraph id="8BF936C6CD03883280BEFC88FB39FCBA" blockId="48.[151,1436,795,851]" pageId="48" pageNumber="76">
<emphasis id="B932EAD4CD03883280BEFC88FEF1FCDA" bold="true" box="[151,277,795,819]" pageId="48" pageNumber="76">TABLE 13.</emphasis>
Spicule sizes of
<taxonomicName id="4C464D45CD03883281E5FC8FFD7EFCDA" box="[460,666,796,819]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="species" species="koltuni" status="sp. nov.">
<emphasis id="B932EAD4CD03883281E5FC8FFD7EFCDA" box="[460,666,796,819]" italics="true" pageId="48" pageNumber="76">Desmacella koltuni</emphasis>
</taxonomicName>
<emphasis id="B932EAD4CD0388328288FC88FD12FCDA" bold="true" box="[673,758,795,819]" pageId="48" pageNumber="76">
<taxonomicNameLabel id="A20157AFCD0388328288FC88FD12FCDA" box="[673,758,795,819]" pageId="48" pageNumber="76" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Values in µm are given as follows: minimum–mean–maximum (number of spicules measured). For comparison, values from Koltun's (1976)
<taxonomicName id="4C464D45CD03883283FFFCAFFBA1FCBA" box="[982,1093,828,851]" class="Insecta" family="Curculionidae" genus="Tyloderma" kingdom="Animalia" order="Coleoptera" pageId="48" pageNumber="76" phylum="Arthropoda" rank="genus">
<emphasis id="B932EAD4CD03883283FFFCAFFBA1FCBA" box="[982,1093,828,851]" italics="true" pageId="48" pageNumber="76">Tyloderma</emphasis>
</taxonomicName>
sp. are given.
</paragraph>
</caption>
<paragraph id="8BF936C6CD03883280B6FCFCFCE8FB10" pageId="48" pageNumber="76">
<table id="F946C466CD0377FD80B6FCFDFB53FB10" box="[159,1207,878,1273]" gridcols="3" gridrows="10" pageId="48" pageNumber="76">
<tr id="35763484CD0377FD80B6FCFDFB53FC6D" box="[159,1207,878,900]" gridrow="0" pageId="48" pageNumber="76">
<th id="76A75DF8CD0377FD80B6FCFDFED5FC6D" box="[159,305,878,900]" gridcol="0" gridrow="0" pageId="48" pageNumber="76">parameter</th>
<th id="76A75DF8CD0377FD826AFCFDFCCEFC6D" box="[579,810,878,900]" gridcol="1" gridrow="0" pageId="48" pageNumber="76">SMF 11799</th>
<th id="76A75DF8CD0377FD840EFCFDFB53FC6D" box="[1063,1207,878,900]" gridcol="2" gridrow="0" pageId="48" pageNumber="76">Koltun (1976)</th>
</tr>
<tr id="35763484CD0377FD80B6FC0BFB53FC47" box="[159,1207,920,942]" gridrow="1" pageId="48" pageNumber="76" rowspan-1="1" rowspan-2="1">
<th id="76A75DF8CD0377FD80B6FC0BFED5FC47" box="[159,305,920,942]" gridcol="0" gridrow="1" pageId="48" pageNumber="76">Style I</th>
</tr>
<tr id="35763484CD0377FD80B6FC52FB53FC31" box="[159,1207,961,984]" gridrow="2" pageId="48" pageNumber="76">
<th id="76A75DF8CD0377FD80B6FC52FED5FC31" box="[159,305,961,984]" gridcol="0" gridrow="2" pageId="48" pageNumber="76">length</th>
<td id="76A75DF8CD0377FD826AFC52FCCEFC31" box="[579,810,961,984]" gridcol="1" gridrow="2" pageId="48" pageNumber="76">810–1029.9–1175 (31)</td>
<td id="76A75DF8CD0377FD840EFC52FB53FC31" box="[1063,1207,961,984]" gridcol="2" gridrow="2" pageId="48" pageNumber="76">770–950</td>
</tr>
<tr id="35763484CD0377FD80B6FC79FB53FBE8" box="[159,1207,1002,1025]" gridrow="3" pageId="48" pageNumber="76">
<th id="76A75DF8CD0377FD80B6FC79FED5FBE8" box="[159,305,1002,1025]" gridcol="0" gridrow="3" pageId="48" pageNumber="76">diameter</th>
<td id="76A75DF8CD0377FD826AFC79FCCEFBE8" box="[579,810,1002,1025]" gridcol="1" gridrow="3" pageId="48" pageNumber="76">20–28.2–32.5 (31)</td>
<td id="76A75DF8CD0377FD840EFC79FB53FBE8" box="[1063,1207,1002,1025]" gridcol="2" gridrow="3" pageId="48" pageNumber="76">20–28</td>
</tr>
<tr id="35763484CD0377FD80B6FB80FB53FBC3" box="[159,1207,1043,1066]" gridrow="4" pageId="48" pageNumber="76" rowspan-1="1" rowspan-2="1">
<th id="76A75DF8CD0377FD80B6FB80FED5FBC3" box="[159,305,1043,1066]" gridcol="0" gridrow="4" pageId="48" pageNumber="76">Style II</th>
</tr>
<tr id="35763484CD0377FD80B6FBAEFB53FBBD" box="[159,1207,1085,1108]" gridrow="5" pageId="48" pageNumber="76">
<th id="76A75DF8CD0377FD80B6FBAEFED5FBBD" box="[159,305,1085,1108]" gridcol="0" gridrow="5" pageId="48" pageNumber="76">length</th>
<td id="76A75DF8CD0377FD826AFBAEFCCEFBBD" box="[579,810,1085,1108]" gridcol="1" gridrow="5" pageId="48" pageNumber="76">370–428.3–500 (30)</td>
<td id="76A75DF8CD0377FD840EFBAEFB53FBBD" box="[1063,1207,1085,1108]" gridcol="2" gridrow="5" pageId="48" pageNumber="76">400–500</td>
</tr>
<tr id="35763484CD0377FD80B6FBF5FB53FB94" box="[159,1207,1126,1149]" gridrow="6" pageId="48" pageNumber="76">
<th id="76A75DF8CD0377FD80B6FBF5FED5FB94" box="[159,305,1126,1149]" gridcol="0" gridrow="6" pageId="48" pageNumber="76">diameter</th>
<td id="76A75DF8CD0377FD826AFBF5FCCEFB94" box="[579,810,1126,1149]" gridcol="1" gridrow="6" pageId="48" pageNumber="76">8.75–10.7–12.5 (30)</td>
<td id="76A75DF8CD0377FD840EFBF5FB53FB94" box="[1063,1207,1126,1149]" gridcol="2" gridrow="6" pageId="48" pageNumber="76">8–11</td>
</tr>
<tr id="35763484CD0377FD80B6FB03FB53FB4F" box="[159,1207,1168,1190]" gridrow="7" pageId="48" pageNumber="76" rowspan-1="1" rowspan-2="1">
<th id="76A75DF8CD0377FD80B6FB03FED5FB4F" box="[159,305,1168,1190]" gridcol="0" gridrow="7" pageId="48" pageNumber="76">Sigma</th>
</tr>
<tr id="35763484CD0377FD80B6FB2AFB53FB39" box="[159,1207,1209,1232]" gridrow="8" pageId="48" pageNumber="76">
<th id="76A75DF8CD0377FD80B6FB2AFED5FB39" box="[159,305,1209,1232]" gridcol="0" gridrow="8" pageId="48" pageNumber="76">length</th>
<td id="76A75DF8CD0377FD826AFB2AFCCEFB39" box="[579,810,1209,1232]" gridcol="1" gridrow="8" pageId="48" pageNumber="76">30–33.8–37.5 (31)</td>
<td id="76A75DF8CD0377FD840EFB2AFB53FB39" box="[1063,1207,1209,1232]" gridcol="2" gridrow="8" pageId="48" pageNumber="76">27–44</td>
</tr>
<tr id="35763484CD0377FD80B6FB71FB53FB10" box="[159,1207,1250,1273]" gridrow="9" pageId="48" pageNumber="76" rowspan-2="1">
<th id="76A75DF8CD0377FD80B6FB71FED5FB10" box="[159,305,1250,1273]" gridcol="0" gridrow="9" pageId="48" pageNumber="76">max. width</th>
<td id="76A75DF8CD0377FD826AFB71FCCEFB10" box="[579,810,1250,1273]" gridcol="1" gridrow="9" pageId="48" pageNumber="76">16.25–17.9–20 (31)</td>
</tr>
</table>
</paragraph>
<subSubSection id="C35C654DCD03883280EEFAA9FAD8FA9C" pageId="48" pageNumber="76" type="etymology">
<paragraph id="8BF936C6CD03883280EEFAA9FAD8FA9C" blockId="48.[151,1436,1337,2010]" pageId="48" pageNumber="76">
<emphasis id="B932EAD4CD03883280EEFAA9FEAAFABB" bold="true" box="[199,334,1338,1362]" pageId="48" pageNumber="76">Etymology.</emphasis>
The species is named after Vladimir Mikhailovich Koltun (
<date id="FFF81006CD038832846AFAAAFB22FAB8" box="[1091,1222,1337,1361]" pageId="48" pageNumber="76" value="1921" valueMax="2004">1921–2004</date>
), Russian sponge taxonomist, who reported the first probable fragmentary specimens but did not describe them as a species.
</paragraph>
</subSubSection>
<subSubSection id="C35C654DCD03883380EEFA11FA80FEF5" lastPageId="49" lastPageNumber="77" pageId="48" pageNumber="76" type="discussion">
<paragraph id="8BF936C6CD03883380EEFA11FA80FEF5" blockId="48.[151,1436,1337,2010]" lastBlockId="49.[151,1436,151,285]" lastPageId="49" lastPageNumber="77" pageId="48" pageNumber="76">
<emphasis id="B932EAD4CD03883280EEFA11FEDFFA73" bold="true" box="[199,315,1410,1434]" pageId="48" pageNumber="76">Remarks.</emphasis>
Our specimen seems to be identical with those reported by Koltun (1976) as
<taxonomicName id="4C464D45CD03883284ECFA12FAD8FA70" box="[1221,1340,1409,1433]" class="Demospongiae" family="Biemnidae" genus="Tylodesma" higherTaxonomySource="CoL" kingdom="Animalia" order="Biemnida" pageId="48" pageNumber="76" phylum="Porifera" rank="genus">
<emphasis id="B932EAD4CD03883284ECFA12FAD8FA70" box="[1221,1340,1409,1433]" italics="true" pageId="48" pageNumber="76">Tylodesma</emphasis>
</taxonomicName>
sp. The spicules are of the same size and shape (compare
<tableCitation id="C6C4037DCD03883282EFFA36FCF8FA54" box="[710,796,1445,1469]" captionStart="TABLE 13" captionStartId="48.[151,239,795,819]" captionTargetBox="[159,1207,878,1273]" captionTargetPageId="48" captionText="TABLE 13. Spicule sizes of Desmacella koltuni sp. nov. Values in µm are given as follows: minimum – mean – maximum (number of spicules measured). For comparison, values from Koltun's (1976) Tyloderma sp. are given." httpUri="http://table.plazi.org/id/DF39664ECD03883280BEFC88FB39FCBA" pageId="48" pageNumber="76" tableUuid="DF39664ECD03883280BEFC88FB39FCBA">Tab. 13</tableCitation>
), also skeletal arrangement seems to be very similar (not figured by Koltun 1976). Koltun’s (1976) specimens were just five small fragments, so he did not describe a species on their basis, but he already mentioned them to be very probably something new. For genus assignment, we chose to follow Koltun’s (1976) decision, but as the genus
<taxonomicName id="4C464D45CD0388328370F982FC2AF9C0" box="[857,974,1553,1577]" class="Insecta" family="Curculionidae" genus="Tyloderma" kingdom="Animalia" order="Coleoptera" pageId="48" pageNumber="76" phylum="Arthropoda" rank="genus">
<emphasis id="B932EAD4CD0388328370F982FC2AF9C0" box="[857,974,1553,1577]" italics="true" pageId="48" pageNumber="76">Tyloderma</emphasis>
</taxonomicName>
has been synonymized with
<taxonomicName id="4C464D45CD0388328531F982FA78F9C0" box="[1304,1436,1553,1577]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="genus">
<emphasis id="B932EAD4CD0388328531F982FA78F9C0" box="[1304,1436,1553,1577]" italics="true" pageId="48" pageNumber="76">Desmacella</emphasis>
</taxonomicName>
(see Hajdu &amp; van Soest 2002), our species assignment has to follow this taxonomic action and the species is now described as
<taxonomicName id="4C464D45CD038832810EF9CAFE4FF998" box="[295,427,1625,1649]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="genus">
<emphasis id="B932EAD4CD038832810EF9CAFE4FF998" box="[295,427,1625,1649]" italics="true" pageId="48" pageNumber="76">Desmacella</emphasis>
</taxonomicName>
. The species differs from the two already known from
<taxonomicName id="4C464D45CD038832843CF9CAFB6EF998" box="[1045,1162,1625,1649]" class="Demospongiae" family="Isodictyidae" genus="Isodictya" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="77" phylum="Porifera" rank="species" species="antarctica">
<collectingCountry id="F3517656CD038832843CF9CAFB6EF998" box="[1045,1162,1625,1649]" name="Antarctica" pageId="48" pageNumber="76">Antarctica</collectingCountry>
</taxonomicName>
(according to Sara
<emphasis id="B932EAD4CD038832854DF9C9FA71F998" box="[1380,1429,1625,1649]" italics="true" pageId="48" pageNumber="76">et al</emphasis>
. 1992),
<taxonomicName id="4C464D45CD03883280C3F9EEFD4FF97C" authority="Wilson 1904" authorityName="Wilson" authorityYear="1904" box="[234,683,1661,1685]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="species" species="vestibularis">
<emphasis id="B932EAD4CD03883280C3F9EEFE1FF97C" box="[234,507,1661,1685]" italics="true" pageId="48" pageNumber="76">Desmacella vestibularis</emphasis>
(Wilson 1904)
</taxonomicName>
and
<taxonomicName id="4C464D45CD03883282C1F9EEFBBEF97C" authority="Wilson 1904" authorityName="Wilson" authorityYear="1904" box="[744,1114,1661,1685]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="species" species="alba">
<emphasis id="B932EAD4CD03883282C1F9EEFC4DF97C" box="[744,937,1661,1685]" italics="true" pageId="48" pageNumber="76">Desmacella alba</emphasis>
(Wilson 1904)
</taxonomicName>
, in having styles instead of tylostyles. Styles are quite uncommon in the genus
<taxonomicName id="4C464D45CD03883282DBF932FC92F950" box="[754,886,1697,1721]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="genus">
<emphasis id="B932EAD4CD03883282DBF932FC92F950" box="[754,886,1697,1721]" italics="true" pageId="48" pageNumber="76">Desmacella</emphasis>
</taxonomicName>
, only two species currently listed in the World Porifera Database (van Soest
<emphasis id="B932EAD4CD03883281CAF955FDF0F934" box="[483,532,1733,1757]" italics="true" pageId="48" pageNumber="76">et al</emphasis>
. 2012a) having styles instead of tylostyles.
<taxonomicName id="4C464D45CD0388328429F956FA8BF934" authority="Levi 1960" authorityName="Levi" authorityYear="1960" box="[1024,1391,1733,1757]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="species" species="digitata">
<emphasis id="B932EAD4CD0388328429F956FB07F934" box="[1024,1251,1733,1757]" italics="true" pageId="48" pageNumber="76">Desmacella digitata</emphasis>
(Lévi 1960)
</taxonomicName>
has styles 180–270
<date id="FFF81006CD0388328161F979FE72F8E8" box="[328,406,1769,1793]" pageId="48" pageNumber="76" value="1923-10-06">x 6–23</date>
µm (Lévi 1960), thus being much smaller than the ones in our new species. Styles are also present in
<taxonomicName id="4C464D45CD0388328126F89EFDC1F8CC" box="[271,549,1805,1829]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="species" species="polysigmata">
<emphasis id="B932EAD4CD0388328126F89EFDC1F8CC" box="[271,549,1805,1829]" italics="true" pageId="48" pageNumber="76">Desmacella polysigmata</emphasis>
</taxonomicName>
van Soest, 1984, which are c. 513–635
<date id="FFF81006CD03883283DAF89DFBB4F8CC" box="[1011,1104,1805,1829]" pageId="48" pageNumber="76" value="2010-10-19">x 10–19</date>
µm in size (van Soest 1984) and share an interesting peculiarity with our new species, as the tips of styles in
<taxonomicName id="4C464D45CD038832840BF8A1FB2AF8A0" box="[1058,1230,1841,1865]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="species" species="polysigmata">
<emphasis id="B932EAD4CD038832840BF8A1FB2AF8A0" box="[1058,1230,1841,1865]" italics="true" pageId="48" pageNumber="76">D. polysigmata</emphasis>
</taxonomicName>
are often blunted, much as in
<taxonomicName id="4C464D45CD038832813EF8C5FE63F884" box="[279,391,1877,1901]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="species" species="koltuni" status="sp. nov.">
<emphasis id="B932EAD4CD038832813EF8C5FE63F884" box="[279,391,1877,1901]" italics="true" pageId="48" pageNumber="76">D. koltuni</emphasis>
</taxonomicName>
<emphasis id="B932EAD4CD03883281A7F8C6FE03F884" bold="true" box="[398,487,1877,1901]" pageId="48" pageNumber="76">
<taxonomicNameLabel id="A20157AFCD03883281A7F8C6FE03F884" box="[398,487,1877,1901]" pageId="48" pageNumber="76" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Still, the lack of a smaller category of styles and the relative small sizes of styles are distinctive differences. One species,
<taxonomicName id="4C464D45CD038832826AF8EAFBE8F878" authority="Burton 1932" authorityName="Burton" authorityYear="1932" box="[579,1036,1913,1937]" class="Demospongiae" family="Desmacellidae" genus="Desmacella" kingdom="Animalia" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="species" species="suberitoides">
<emphasis id="B932EAD4CD038832826AF8EAFCB8F878" box="[579,860,1913,1937]" italics="true" pageId="48" pageNumber="76">Desmacella suberitoides</emphasis>
(Burton 1932)
</taxonomicName>
has spicules in two different size classes, with the smaller forming palisade-like ectosomal structures, as in our new species. But these spicules are exclusively tylostyles (Burton 1932). In having styles, the new species also shows a strong similarity to
<taxonomicName id="4C464D45CD038833856FF851FEFCFF46" authority="Gray, 1867" authorityName="Gray" authorityYear="1867" class="Demospongiae" family="Desmacellidae" genus="Biemna" kingdom="Animalia" lastPageId="49" lastPageNumber="77" order="Poecilosclerida" pageId="48" pageNumber="76" phylum="Porifera" rank="genus">
<emphasis id="B932EAD4CD038832856FF851FA7FF830" box="[1350,1435,1986,2009]" italics="true" pageId="48" pageNumber="76">Biemna</emphasis>
Gray, 1867
</taxonomicName>
, which has a similar, but denser skeleton (Hajdu &amp; van Soest 2002). Three species of that genus are known from the
<collectingCountry id="F3517656CD0288338166FF2FFE53FF3D" box="[335,439,188,212]" name="Antarctica" pageId="49" pageNumber="77">Antarctic</collectingCountry>
(Ríos &amp; Cristobo 2006). These are
<taxonomicName id="4C464D45CD028833836CFF2EFB7EFF3D" authority="Thiele, 1905" authorityName="Thiele" authorityYear="1905" box="[837,1178,188,212]" class="Demospongiae" family="Desmacellidae" genus="Biemna" kingdom="Animalia" order="Poecilosclerida" pageId="49" pageNumber="77" phylum="Porifera" rank="species" species="chilensis">
<emphasis id="B932EAD4CD028833836CFF2EFBE7FF3D" box="[837,1027,188,212]" italics="true" pageId="49" pageNumber="77">Biemna chilensis</emphasis>
Thiele, 1905
</taxonomicName>
,
<taxonomicName id="4C464D45CD028833848DFF2EFEA9FF1E" authority="Hentschel, 1914" authorityName="Hentschel" authorityYear="1914" class="Demospongiae" family="Desmacellidae" genus="Biemna" kingdom="Animalia" order="Poecilosclerida" pageId="49" pageNumber="77" phylum="Porifera" rank="species" species="macrorhaphis">
<emphasis id="B932EAD4CD028833848DFF2EFA78FF3D" box="[1188,1436,188,212]" italics="true" pageId="49" pageNumber="77">Biemna macrorhaphis</emphasis>
Hentschel, 1914
</taxonomicName>
and
<taxonomicName id="4C464D45CD02883381ADFF72FC8CFF1E" authority="Rios &amp; Cristobo, 2006" authorityName="Rios &amp; Cristobo" authorityYear="2006" box="[388,872,223,248]" class="Demospongiae" family="Desmacellidae" genus="Biemna" kingdom="Animalia" order="Poecilosclerida" pageId="49" pageNumber="77" phylum="Porifera" rank="species" species="strongylota">
<emphasis id="B932EAD4CD02883381ADFF72FDBBFF11" box="[388,607,224,248]" italics="true" pageId="49" pageNumber="77">Biemna strongylota</emphasis>
Ríos &amp; Cristobo, 2006
</taxonomicName>
. All these species have raphides and only one size category of megascleres. Furthermore,
<taxonomicName id="4C464D45CD0288338264FE96FD0FFEF5" box="[589,747,260,284]" class="Demospongiae" family="Desmacellidae" genus="Biemna" kingdom="Animalia" order="Poecilosclerida" pageId="49" pageNumber="77" phylum="Porifera" rank="species" species="strongylota">
<emphasis id="B932EAD4CD0288338264FE96FD0FFEF5" box="[589,747,260,284]" italics="true" pageId="49" pageNumber="77">B. strongylota</emphasis>
</taxonomicName>
has strongyles instead of styles (Ríos &amp; Cristobo 2006).
</paragraph>
</subSubSection>
</treatment>
</document>
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