357 lines
37 KiB
XML
357 lines
37 KiB
XML
<document ID-DOI="10.5281/zenodo.272951" ID-GBIF-Dataset="e2c88f4c-3ac2-45f9-95e4-99b75561a081" ID-ISSN="1175-5326" ID-Zenodo-Dep="272951" ID-ZooBank="6D68A019-6F63-4AA4-A8B3-92D351F1F69B" checkinTime="1484409208030" checkinUser="plazi" docAuthor="Van, Rob W. M." docDate="2017" docId="03A80010771DFFE0FF14A197937EFD6A" docLanguage="en" docName="zootaxa.4217.1.1.pdf.imf" docOrigin="Zootaxa 1" docStyle="DocumentStylede.uka.ipd.idaho.easyIO.settings.Settings@5ce3343f" docStyleName="zootaxa.2013.monograph" docTitle="Stelletta vervoorti Van, 2017, sp. nov." docType="treatment" docVersion="19" lastPageNumber="77" masterDocId="FF9178687757FFACFF83A36B907DFF9A" masterDocTitle="Sponges of the Guyana Shelf" masterLastPageNumber="225" masterPageNumber="1" pageNumber="75" updateTime="1645784257244" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Sponges of the Guyana Shelf</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Van, Rob W. M.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2017</mods:date>
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<mods:detail type="issue">
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<mods:number>1</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>225</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.5281/zenodo.272951</mods:identifier>
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<mods:identifier type="GBIF-Dataset">e2c88f4c-3ac2-45f9-95e4-99b75561a081</mods:identifier>
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<mods:identifier type="ISSN">1175-5326</mods:identifier>
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<mods:identifier type="Zenodo-Dep">272951</mods:identifier>
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<mods:identifier type="ZooBank">6D68A019-6F63-4AA4-A8B3-92D351F1F69B</mods:identifier>
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</mods:mods>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.5698624" ID-GBIF-Taxon="127419924" ID-Zenodo-Dep="5698624" LSID="urn:lsid:plazi:treatment:03A80010771DFFE0FF14A197937EFD6A" httpUri="http://treatment.plazi.org/id/03A80010771DFFE0FF14A197937EFD6A" lastPageId="76" lastPageNumber="77" pageId="74" pageNumber="75">
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<subSubSection pageId="74" pageNumber="75" type="nomenclature">
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||
<paragraph blockId="74.[151,462,764,823]" box="[151,462,764,790]" pageId="74" pageNumber="75">
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<heading bold="true" box="[151,462,764,790]" fontSize="11" level="1" pageId="74" pageNumber="75" reason="1">
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<emphasis bold="true" box="[151,462,764,790]" pageId="74" pageNumber="75">
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<taxonomicName box="[151,362,764,790]" class="Demospongiae" family="Ancorinidae" genus="Stelletta" kingdom="Animalia" order="Astrophorida" pageId="74" pageNumber="75" phylum="Porifera" rank="species" species="vervoorti" status="sp. nov.">
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<emphasis bold="true" box="[151,362,764,790]" italics="true" pageId="74" pageNumber="75">Stelletta vervoorti</emphasis>
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</taxonomicName>
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<taxonomicNameLabel box="[369,462,764,790]" pageId="74" pageNumber="75" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph blockId="74.[151,462,764,823]" box="[151,310,798,823]" pageId="74" pageNumber="75">
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<figureCitation box="[151,270,798,823]" captionStart="FIGURE 48" captionStartId="75.[151,250,1556,1578]" captionTargetBox="[151,1436,265,1534]" captionTargetId="figure@75.[151,1436,265,1534]" captionTargetPageId="75" captionText="FIGURE 48. Stelletta vervoorti sp. nov., a, habitus of holotype RMNH Por. 9942 (scale bar = 1 cm), b – h, SEM images of spicules, b, oxea 1, b 1, detail of one of the apices of b, c, oxea 2, c 1, detail of one of the apices of c, d, dichotriaene, d 1, cladome of dichotriaene, e, larger plagiotriaene, e 1, cladome of larger plagiotriaene, f, smaller plagiotriaene, f 1, cladome of smaller plagiotriaene, g, anatriaene, g 1, cladome of anatriaene, h, oxyasters." httpUri="https://zenodo.org/record/272999/files/figure.png" pageId="74" pageNumber="75">Figures 48</figureCitation>
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a–h
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</paragraph>
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</subSubSection>
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<subSubSection box="[151,689,870,892]" pageId="74" pageNumber="75" type="description">
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||
<paragraph blockId="74.[151,689,870,892]" box="[151,689,870,892]" pageId="74" pageNumber="75">
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<treatmentCitationGroup box="[151,689,870,892]" pageId="74" pageNumber="75">
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<taxonomicName box="[151,233,870,892]" class="Demospongiae" family="Ancorinidae" genus="Stelletta" kingdom="Animalia" order="Astrophorida" pageId="74" pageNumber="75" phylum="Porifera" rank="genus">
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<emphasis box="[151,233,870,892]" italics="true" pageId="74" pageNumber="75">Stelletta</emphasis>
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</taxonomicName>
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spec.
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<treatmentCitation author="Van" box="[297,608,870,892]" page="27" pageId="74" pageNumber="75" year="1988">
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<bibRefCitation author="Van" box="[297,570,870,892]" pageId="74" pageNumber="75" refString="Van Soest, R. W. M. & Stentoft, N. (1988) Barbados Deep-Water Sponges. In: Hummelinck, P. W. & Van der Steen, L. J. (Eds.), Uitgaven van de Natuurwetenschappelijke Studiekring voor Suriname en de Nederlandse Antillen. No. 122. Studies on the Fauna of Curacao and other Caribbean Islands, 70 (215), 1 - 175. Avaliable from: http: // www. repository. naturalis. nl / document / 549872 (Accessed 11 Jan. 2017)" type="journal article" year="1988">Van Soest & Stentoft 1988</bibRefCitation>
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: 27
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</treatmentCitation>
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, fig. 11.
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="74" pageNumber="75" type="materials_examined">
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<paragraph blockId="74.[151,1436,937,2006]" pageId="74" pageNumber="75">
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<materialsCitation ID-GBIF-Occurrence="1424726281" collectingDate="1970-08-31" collectionCode="RMNH" country="Guyana" elevation="71" latitude="7.5833" location="Material" longLatPrecision="7" longitude="-57.0667" pageId="74" pageNumber="75" specimenCount="1" typeStatus="holotype">
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<emphasis bold="true" box="[151,392,937,962]" pageId="74" pageNumber="75">
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<location LSID="urn:lsid:plazi:treatment:03A80010771DFFE0FF14A197937EFD6A:8EDEE7DD771DFFE6FF14A0C29082FC58" box="[151,255,937,962]" country="Guyana" latitude="7.5833" longLatPrecision="7" longitude="-57.0667" name="Material" pageId="74" pageNumber="75">Material</location>
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examined.
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</emphasis>
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<typeStatus box="[406,510,937,962]" pageId="74" pageNumber="75">Holotype</typeStatus>
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<collectionCode box="[525,609,938,961]" country="Netherlands" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="74" pageNumber="75">RMNH</collectionCode>
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Por. 9942,
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<collectingCountry box="[760,850,938,962]" name="Guyana" pageId="74" pageNumber="75">Guyana</collectingCountry>
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, ‘Luymes’
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<collectingCountry box="[992,1079,938,962]" name="Guyana" pageId="74" pageNumber="75">Guyana</collectingCountry>
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Shelf Expedition, station 63,
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<geoCoordinate box="[151,260,973,998]" direction="north" orientation="latitude" pageId="74" pageNumber="75" precision="5" value="7.5833">7.5833°N</geoCoordinate>
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<geoCoordinate box="[266,395,973,998]" direction="west" orientation="longitude" pageId="74" pageNumber="75" precision="5" value="-57.0667">57.0667°W</geoCoordinate>
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, depth
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<quantity box="[476,534,974,998]" metricMagnitude="1" metricUnit="m" metricValue="7.1" pageId="74" pageNumber="75" unit="m" value="71.0">
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<elevation box="[476,534,974,998]" metricMagnitude="1" metricUnit="m" metricValue="7.1" pageId="74" pageNumber="75" unit="m" value="71.0">71 m</elevation>
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</quantity>
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, sandy bottom,
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<date box="[712,894,974,998]" pageId="74" pageNumber="75" value="1970-08-31">
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<collectingDate box="[712,894,974,998]" pageId="74" pageNumber="75" value="1970-08-31">31 August 1970</collectingDate>
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</date>
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</materialsCitation>
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.
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</paragraph>
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<paragraph blockId="74.[151,1436,937,2006]" pageId="74" pageNumber="75">
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<materialsCitation ID-GBIF-Occurrence="1424726285" collectingDate="1964-02-19" collectionCode="ZMA" collectorName="P. Wagenaar Hummelinck" country="Barbados" elevation="100" latitude="13.25" location="Holetown" longLatPrecision="555" longitude="-59.6667" pageId="74" pageNumber="75" specimenCount="1">
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Additional material.
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<collectionCode box="[434,496,1010,1034]" country="Netherlands" httpUri="http://grbio.org/cool/a65z-wv6r" name="Universiteit van Amsterdam, Zoologisch Museum" pageId="74" pageNumber="75">ZMA</collectionCode>
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Por. 0 3835,
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<collectingCountry box="[643,752,1009,1034]" name="Barbados" pageId="74" pageNumber="75">Barbados</collectingCountry>
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,
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<quantity box="[765,858,1009,1034]" metricMagnitude="2" metricUnit="m" metricValue="8.04672" pageId="74" pageNumber="75" unit="mi" value="0.5">0.5 mile</quantity>
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off
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<location LSID="urn:lsid:plazi:treatment:03A80010771DFFE0FF14A197937EFD6A:8EDEE7DD771DFFE6FC08A09A9381FB90" box="[907,1020,1009,1034]" country="Barbados" latitude="13.25" longLatPrecision="555" longitude="-59.6667" name="Holetown" pageId="74" pageNumber="75">Holetown</location>
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,
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<geoCoordinate box="[1033,1127,1009,1034]" direction="north" orientation="latitude" pageId="74" pageNumber="75" precision="555" value="13.25">13.25°N</geoCoordinate>
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<geoCoordinate box="[1136,1274,1009,1034]" direction="west" orientation="longitude" pageId="74" pageNumber="75" precision="5" value="-59.6667">59.6667° W</geoCoordinate>
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, depth
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<quantity box="[1357,1431,1010,1034]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="74" pageNumber="75" unit="m" value="100.0">
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||
<elevation box="[1357,1431,1010,1034]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="74" pageNumber="75" unit="m" value="100.0">100 m</elevation>
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</quantity>
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, coll.
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<collectorName box="[207,500,1045,1070]" pageId="74" pageNumber="75">P. Wagenaar Hummelinck</collectorName>
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, #1442,
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<date box="[596,799,1045,1070]" pageId="74" pageNumber="75" value="1964-02-19">
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<collectingDate box="[596,799,1045,1070]" pageId="74" pageNumber="75" value="1964-02-19">19 February 1964</collectingDate>
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</date>
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.
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="74" pageNumber="75" type="description">
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<paragraph blockId="74.[151,1436,937,2006]" pageId="74" pageNumber="75">
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<emphasis bold="true" box="[199,345,1081,1106]" pageId="74" pageNumber="75">Description.</emphasis>
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Semiglobular (
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<figureCitation box="[519,601,1081,1106]" captionStart="FIGURE 48" captionStartId="75.[151,250,1556,1578]" captionTargetBox="[151,1436,265,1534]" captionTargetId="figure@75.[151,1436,265,1534]" captionTargetPageId="75" captionText="FIGURE 48. Stelletta vervoorti sp. nov., a, habitus of holotype RMNH Por. 9942 (scale bar = 1 cm), b – h, SEM images of spicules, b, oxea 1, b 1, detail of one of the apices of b, c, oxea 2, c 1, detail of one of the apices of c, d, dichotriaene, d 1, cladome of dichotriaene, e, larger plagiotriaene, e 1, cladome of larger plagiotriaene, f, smaller plagiotriaene, f 1, cladome of smaller plagiotriaene, g, anatriaene, g 1, cladome of anatriaene, h, oxyasters." httpUri="https://zenodo.org/record/272999/files/figure.png" pageId="74" pageNumber="75">Fig. 48</figureCitation>
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a) with hispid surface, encrusted with shells and barnacles. Size
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<quantity box="[1329,1406,1081,1106]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="74" pageNumber="75" unit="cm" value="2.5">2.5 cm</quantity>
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||
in diameter,
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<quantity box="[270,334,1118,1142]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="74" pageNumber="75" unit="cm" value="2.0">2 cm</quantity>
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high. Color in alcohol light beige. One specimen from French
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<collectingCountry box="[1136,1223,1118,1142]" name="Guyana" pageId="74" pageNumber="75">Guyana</collectingCountry>
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photographed by CREOCEAN—if correctly recognized—has an on deck color of brown to redbrown.
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</paragraph>
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<paragraph blockId="74.[151,1436,937,2006]" pageId="74" pageNumber="75">
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<emphasis bold="true" box="[199,302,1189,1214]" pageId="74" pageNumber="75">Skeleton</emphasis>
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. Strictly radiate, with dichotriaenes dominant as a palisade at the surface, as well as present subcortically, where the cladomes carry small open spaces. Oxeas and other triaene
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<typeStatus box="[1090,1149,1226,1250]" pageId="74" pageNumber="75">types</typeStatus>
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less common.
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</paragraph>
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<paragraph blockId="74.[151,1436,937,2006]" box="[199,1332,1261,1286]" pageId="74" pageNumber="75">
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<emphasis bold="true" box="[199,304,1261,1286]" pageId="74" pageNumber="75">Spicules.</emphasis>
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(
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<figureCitation box="[319,403,1261,1286]" captionStart="FIGURE 48" captionStartId="75.[151,250,1556,1578]" captionTargetBox="[151,1436,265,1534]" captionTargetId="figure@75.[151,1436,265,1534]" captionTargetPageId="75" captionText="FIGURE 48. Stelletta vervoorti sp. nov., a, habitus of holotype RMNH Por. 9942 (scale bar = 1 cm), b – h, SEM images of spicules, b, oxea 1, b 1, detail of one of the apices of b, c, oxea 2, c 1, detail of one of the apices of c, d, dichotriaene, d 1, cladome of dichotriaene, e, larger plagiotriaene, e 1, cladome of larger plagiotriaene, f, smaller plagiotriaene, f 1, cladome of smaller plagiotriaene, g, anatriaene, g 1, cladome of anatriaene, h, oxyasters." httpUri="https://zenodo.org/record/272999/files/figure.png" pageId="74" pageNumber="75">Figs 48</figureCitation>
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b–h) Oxeas in two categories, dichotriaenes, plagiotriaenes, anatriaenes, oxyasters.
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</paragraph>
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<paragraph blockId="74.[151,1436,937,2006]" pageId="74" pageNumber="75">
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Oxeas 1 (
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<figureCitation box="[304,392,1297,1322]" captionStart="FIGURE 48" captionStartId="75.[151,250,1556,1578]" captionTargetBox="[151,1436,265,1534]" captionTargetId="figure@75.[151,1436,265,1534]" captionTargetPageId="75" captionText="FIGURE 48. Stelletta vervoorti sp. nov., a, habitus of holotype RMNH Por. 9942 (scale bar = 1 cm), b – h, SEM images of spicules, b, oxea 1, b 1, detail of one of the apices of b, c, oxea 2, c 1, detail of one of the apices of c, d, dichotriaene, d 1, cladome of dichotriaene, e, larger plagiotriaene, e 1, cladome of larger plagiotriaene, f, smaller plagiotriaene, f 1, cladome of smaller plagiotriaene, g, anatriaene, g 1, cladome of anatriaene, h, oxyasters." httpUri="https://zenodo.org/record/272999/files/figure.png" pageId="74" pageNumber="75">Figs 48</figureCitation>
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b,b1), thin, straight, distinguished from oxeas 2 by length-thickness relationship, tending to be somewhat asymmetrical, usually broken in the slides, (n=4), 2530–3420
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<date box="[966,1057,1333,1358]" pageId="74" pageNumber="75" value="2012-10-16">x 12–16</date>
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µm.
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</paragraph>
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<paragraph blockId="74.[151,1436,937,2006]" pageId="74" pageNumber="75">
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Oxeas 2 (
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<figureCitation box="[311,411,1369,1394]" captionStart="FIGURE 48" captionStartId="75.[151,250,1556,1578]" captionTargetBox="[151,1436,265,1534]" captionTargetId="figure@75.[151,1436,265,1534]" captionTargetPageId="75" captionText="FIGURE 48. Stelletta vervoorti sp. nov., a, habitus of holotype RMNH Por. 9942 (scale bar = 1 cm), b – h, SEM images of spicules, b, oxea 1, b 1, detail of one of the apices of b, c, oxea 2, c 1, detail of one of the apices of c, d, dichotriaene, d 1, cladome of dichotriaene, e, larger plagiotriaene, e 1, cladome of larger plagiotriaene, f, smaller plagiotriaene, f 1, cladome of smaller plagiotriaene, g, anatriaene, g 1, cladome of anatriaene, h, oxyasters." httpUri="https://zenodo.org/record/272999/files/figure.png" pageId="74" pageNumber="75">Figs. 48</figureCitation>
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c,c1), fusiform, but with sharply tapering ends, often curved, younger forms are thin and straight,
|
||
<date box="[249,375,1406,1430]" pageId="74" pageNumber="75" value="1070" valueMax="2213">
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||
1070–
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||
<emphasis box="[319,375,1406,1430]" italics="true" pageId="74" pageNumber="75">2213</emphasis>
|
||
</date>
|
||
–3390
|
||
<date box="[452,585,1406,1430]" pageId="74" pageNumber="75" value="1940-10-14" valueMax="1940-10-27" valueMin="1940-10-14">
|
||
x 14–
|
||
<emphasis box="[515,543,1406,1430]" italics="true" pageId="74" pageNumber="75">27</emphasis>
|
||
–40
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||
</date>
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µm.
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||
</paragraph>
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<paragraph blockId="74.[151,1436,937,2006]" pageId="74" pageNumber="75">
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Dichotriaenes (
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||
<figureCitation box="[374,469,1441,1466]" captionStart="FIGURE 48" captionStartId="75.[151,250,1556,1578]" captionTargetBox="[151,1436,265,1534]" captionTargetId="figure@75.[151,1436,265,1534]" captionTargetPageId="75" captionText="FIGURE 48. Stelletta vervoorti sp. nov., a, habitus of holotype RMNH Por. 9942 (scale bar = 1 cm), b – h, SEM images of spicules, b, oxea 1, b 1, detail of one of the apices of b, c, oxea 2, c 1, detail of one of the apices of c, d, dichotriaene, d 1, cladome of dichotriaene, e, larger plagiotriaene, e 1, cladome of larger plagiotriaene, f, smaller plagiotriaene, f 1, cladome of smaller plagiotriaene, g, anatriaene, g 1, cladome of anatriaene, h, oxyasters." httpUri="https://zenodo.org/record/272999/files/figure.png" pageId="74" pageNumber="75">Figs 48</figureCitation>
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||
d,d1), with end of rhabdome thinly tapering, often wispy or curved, with cladome usually incurved; rhabdome 1890–
|
||
<emphasis box="[540,596,1478,1502]" italics="true" pageId="74" pageNumber="75">3217</emphasis>
|
||
–4620
|
||
<date box="[674,765,1478,1502]" pageId="74" pageNumber="75" value="1943-10-22">
|
||
x 22–
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||
<emphasis box="[737,765,1478,1502]" italics="true" pageId="74" pageNumber="75">43</emphasis>
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||
</date>
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||
–61 µm, cladome diameter 228–
|
||
<emphasis box="[1129,1171,1478,1502]" italics="true" pageId="74" pageNumber="75">275</emphasis>
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||
–324 µm, primary cladi 54–
|
||
<emphasis box="[193,221,1514,1538]" italics="true" pageId="74" pageNumber="75">84</emphasis>
|
||
–113
|
||
<date box="[283,416,1513,1538]" pageId="74" pageNumber="75" value="1943-10-18" valueMax="1943-10-26" valueMin="1943-10-18">
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||
x 18–
|
||
<emphasis box="[346,374,1513,1538]" italics="true" pageId="74" pageNumber="75">26</emphasis>
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||
–43
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||
</date>
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µm, secondary cladi 42–
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||
<emphasis box="[699,727,1514,1538]" italics="true" pageId="74" pageNumber="75">81</emphasis>
|
||
–102
|
||
<date box="[789,922,1514,1538]" pageId="74" pageNumber="75" value="1932-10-12" valueMax="1932-10-25" valueMin="1932-10-12">
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||
x 12–
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||
<emphasis box="[852,880,1514,1538]" italics="true" pageId="74" pageNumber="75">25</emphasis>
|
||
–32
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||
</date>
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µm.
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||
</paragraph>
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<paragraph blockId="74.[151,1436,937,2006]" pageId="74" pageNumber="75">
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Plagiotriaenes, rhabdomes straight, with thinly tapering ends, rather variable in size, but not readily divisible in larger (
|
||
<figureCitation box="[237,332,1585,1610]" captionStart="FIGURE 48" captionStartId="75.[151,250,1556,1578]" captionTargetBox="[151,1436,265,1534]" captionTargetId="figure@75.[151,1436,265,1534]" captionTargetPageId="75" captionText="FIGURE 48. Stelletta vervoorti sp. nov., a, habitus of holotype RMNH Por. 9942 (scale bar = 1 cm), b – h, SEM images of spicules, b, oxea 1, b 1, detail of one of the apices of b, c, oxea 2, c 1, detail of one of the apices of c, d, dichotriaene, d 1, cladome of dichotriaene, e, larger plagiotriaene, e 1, cladome of larger plagiotriaene, f, smaller plagiotriaene, f 1, cladome of smaller plagiotriaene, g, anatriaene, g 1, cladome of anatriaene, h, oxyasters." httpUri="https://zenodo.org/record/272999/files/figure.png" pageId="74" pageNumber="75">Figs 48</figureCitation>
|
||
e,e1) and smaller (
|
||
<figureCitation box="[554,648,1585,1610]" captionStart="FIGURE 48" captionStartId="75.[151,250,1556,1578]" captionTargetBox="[151,1436,265,1534]" captionTargetId="figure@75.[151,1436,265,1534]" captionTargetPageId="75" captionText="FIGURE 48. Stelletta vervoorti sp. nov., a, habitus of holotype RMNH Por. 9942 (scale bar = 1 cm), b – h, SEM images of spicules, b, oxea 1, b 1, detail of one of the apices of b, c, oxea 2, c 1, detail of one of the apices of c, d, dichotriaene, d 1, cladome of dichotriaene, e, larger plagiotriaene, e 1, cladome of larger plagiotriaene, f, smaller plagiotriaene, f 1, cladome of smaller plagiotriaene, g, anatriaene, g 1, cladome of anatriaene, h, oxyasters." httpUri="https://zenodo.org/record/272999/files/figure.png" pageId="74" pageNumber="75">Figs 48</figureCitation>
|
||
f,f1) size classes; cladome with incurved or straight conical cladi; rhabdomes (n=5), 900–2436
|
||
<date box="[476,567,1622,1646]" pageId="74" pageNumber="75" value="1948-10-10">x 10–48</date>
|
||
µm; cladome diameter 72–
|
||
<emphasis box="[876,918,1622,1646]" italics="true" pageId="74" pageNumber="75">133</emphasis>
|
||
–186 µm, cladi 36–
|
||
<emphasis box="[1136,1164,1622,1646]" italics="true" pageId="74" pageNumber="75">89</emphasis>
|
||
–114
|
||
<date box="[1226,1274,1622,1646]" pageId="74" pageNumber="75" value="2010-10">x 10</date>
|
||
–
|
||
<emphasis box="[1289,1338,1622,1646]" italics="true" pageId="74" pageNumber="75">21.5</emphasis>
|
||
–31 µm.
|
||
</paragraph>
|
||
<paragraph blockId="74.[151,1436,937,2006]" pageId="74" pageNumber="75">
|
||
Anatriaenes (
|
||
<figureCitation box="[352,446,1657,1682]" captionStart="FIGURE 48" captionStartId="75.[151,250,1556,1578]" captionTargetBox="[151,1436,265,1534]" captionTargetId="figure@75.[151,1436,265,1534]" captionTargetPageId="75" captionText="FIGURE 48. Stelletta vervoorti sp. nov., a, habitus of holotype RMNH Por. 9942 (scale bar = 1 cm), b – h, SEM images of spicules, b, oxea 1, b 1, detail of one of the apices of b, c, oxea 2, c 1, detail of one of the apices of c, d, dichotriaene, d 1, cladome of dichotriaene, e, larger plagiotriaene, e 1, cladome of larger plagiotriaene, f, smaller plagiotriaene, f 1, cladome of smaller plagiotriaene, g, anatriaene, g 1, cladome of anatriaene, h, oxyasters." httpUri="https://zenodo.org/record/272999/files/figure.png" pageId="74" pageNumber="75">
|
||
Figs
|
||
<quantity box="[413,446,1658,1682]" metricMagnitude="-2" metricUnit="kg" metricValue="4.8" pageId="74" pageNumber="75" unit="g" value="48.0">48</quantity>
|
||
</figureCitation>
|
||
g,g1), not common, thin, straight, with cladi curved away from the shaft, variable in length and cladome diameter; rhabdomes often broken (n=3),
|
||
<date box="[912,1037,1693,1718]" pageId="74" pageNumber="75" value="1200" valueMax="1556">1200–1556</date>
|
||
x 10–27 µm; cladome diameter 66–
|
||
<emphasis box="[193,235,1730,1754]" italics="true" pageId="74" pageNumber="75">102</emphasis>
|
||
–180 µm; cladi 31–
|
||
<emphasis box="[458,486,1729,1754]" italics="true" pageId="74" pageNumber="75">66</emphasis>
|
||
–114
|
||
<date box="[550,670,1730,1754]" pageId="74" pageNumber="75" value="1930-10-07" valueMax="1930-10-15" valueMin="1930-10-07">
|
||
x 7–
|
||
<emphasis box="[600,628,1730,1754]" italics="true" pageId="74" pageNumber="75">15</emphasis>
|
||
–30
|
||
</date>
|
||
µm. We encountered some protriaenes in both the sections and the dissociated spicule slides, but these appear foreign as they were accompanied by some sigmaspires.
|
||
</paragraph>
|
||
<paragraph blockId="74.[151,1436,937,2006]" pageId="74" pageNumber="75">
|
||
Oxyasters (
|
||
<figureCitation box="[329,419,1801,1826]" captionStart="FIGURE 48" captionStartId="75.[151,250,1556,1578]" captionTargetBox="[151,1436,265,1534]" captionTargetId="figure@75.[151,1436,265,1534]" captionTargetPageId="75" captionText="FIGURE 48. Stelletta vervoorti sp. nov., a, habitus of holotype RMNH Por. 9942 (scale bar = 1 cm), b – h, SEM images of spicules, b, oxea 1, b 1, detail of one of the apices of b, c, oxea 2, c 1, detail of one of the apices of c, d, dichotriaene, d 1, cladome of dichotriaene, e, larger plagiotriaene, e 1, cladome of larger plagiotriaene, f, smaller plagiotriaene, f 1, cladome of smaller plagiotriaene, g, anatriaene, g 1, cladome of anatriaene, h, oxyasters." httpUri="https://zenodo.org/record/272999/files/figure.png" pageId="74" pageNumber="75">Figs 48</figureCitation>
|
||
h), with spines concentrated near the apices of the rays, diameter quite variable, but ray number variation limited, so the asters are not readily divisible in distinct
|
||
<typeStatus box="[1028,1091,1838,1862]" pageId="74" pageNumber="75">types</typeStatus>
|
||
; diameter 6–11.8–15 µm, ray number 7–12.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection box="[199,1032,1909,1934]" pageId="74" pageNumber="75" type="distribution">
|
||
<paragraph blockId="74.[151,1436,937,2006]" box="[199,1032,1909,1934]" pageId="74" pageNumber="75">
|
||
<emphasis bold="true" box="[199,498,1909,1934]" pageId="74" pageNumber="75">Distribution and ecology.</emphasis>
|
||
<collectingCountry box="[505,595,1910,1934]" name="Guyana" pageId="74" pageNumber="75">Guyana</collectingCountry>
|
||
,
|
||
<collectingCountry box="[606,715,1909,1934]" name="Barbados" pageId="74" pageNumber="75">Barbados</collectingCountry>
|
||
, sandy bottom at
|
||
<quantity box="[912,1028,1910,1934]" metricMagnitude="1" metricUnit="m" metricValue="8.55" metricValueMax="10.0" metricValueMin="7.1" pageId="74" pageNumber="75" unit="m" value="85.5" valueMax="100.0" valueMin="71.0">
|
||
71–
|
||
<specimenCount box="[954,1028,1910,1934]" pageId="74" pageNumber="75" type="generic">100 m</specimenCount>
|
||
</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="75" lastPageNumber="76" pageId="74" pageNumber="75" type="etymology">
|
||
<paragraph blockId="74.[151,1436,937,2006]" lastBlockId="75.[151,1436,151,213]" lastPageId="75" lastPageNumber="76" pageId="74" pageNumber="75">
|
||
<emphasis bold="true" box="[199,334,1945,1970]" pageId="74" pageNumber="75">Etymology.</emphasis>
|
||
Named after Prof. Dr Wim Vervoort,
|
||
<date box="[812,941,1946,1970]" pageId="74" pageNumber="75" value="1917" valueMax="2010">1917–2010</date>
|
||
, former director of the Rijkmuseum van Natuurlijke Historie, and distinguished marine invertebrate taxonomist (Hydrozoa, Copepoda). Vervoort was the biologist on board of the
|
||
<collectingCountry box="[432,519,152,176]" name="Guyana" pageId="75" pageNumber="76">Guyana</collectingCountry>
|
||
Shelf Expeditions
|
||
<date box="[733,862,151,176]" pageId="75" pageNumber="76" value="1966" valueMax="1970">1966–1970</date>
|
||
, responsible for the collection of the sponges in the present collection.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption httpUri="https://zenodo.org/record/272999/files/figure.png" pageId="75" pageNumber="76" targetBox="[151,1436,265,1534]" targetPageId="75">
|
||
<paragraph blockId="75.[151,1436,1556,1669]" pageId="75" pageNumber="76">
|
||
<emphasis bold="true" box="[151,290,1556,1578]" pageId="75" pageNumber="76">FIGURE 48.</emphasis>
|
||
<taxonomicName box="[298,481,1556,1578]" class="Demospongiae" family="Ancorinidae" genus="Stelletta" kingdom="Animalia" order="Astrophorida" pageId="75" pageNumber="76" phylum="Porifera" rank="species" species="vervoorti" status="sp. nov.">
|
||
<emphasis box="[298,481,1556,1578]" italics="true" pageId="75" pageNumber="76">Stelletta vervoorti</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[490,572,1556,1577]" pageId="75" pageNumber="76" rank="species">
|
||
<emphasis bold="true" box="[490,572,1556,1577]" pageId="75" pageNumber="76">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
, a, habitus of holotype RMNH Por. 9942 (scale bar = 1 cm), b–h, SEM images of spicules, b, oxea 1, b1, detail of one of the apices of b, c, oxea 2, c1, detail of one of the apices of c, d, dichotriaene, d1, cladome of dichotriaene, e, larger plagiotriaene, e1, cladome of larger plagiotriaene, f, smaller plagiotriaene, f1, cladome of smaller plagiotriaene, g, anatriaene, g1, cladome of anatriaene, h, oxyasters.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection lastPageId="76" lastPageNumber="77" pageId="75" pageNumber="76" type="discussion">
|
||
<paragraph blockId="75.[151,1437,1714,2027]" lastBlockId="76.[151,1437,151,752]" lastPageId="76" lastPageNumber="77" pageId="75" pageNumber="76">
|
||
<emphasis bold="true" box="[199,315,1714,1739]" pageId="75" pageNumber="76">Remarks.</emphasis>
|
||
The new species shares dichotriaenes with one other
|
||
<collectingRegion box="[940,1022,1714,1739]" country="Sri Lanka" name="Central" pageId="75" pageNumber="76">Central</collectingRegion>
|
||
<collectingRegion box="[1032,1087,1715,1738]" country="Tanzania" name="Mjini Magharibi" pageId="75" pageNumber="76">West</collectingRegion>
|
||
Atlantic
|
||
<taxonomicName box="[1196,1287,1714,1739]" class="Demospongiae" family="Ancorinidae" genus="Stelletta" kingdom="Animalia" order="Astrophorida" pageId="75" pageNumber="76" phylum="Porifera" rank="genus">
|
||
<emphasis box="[1196,1287,1714,1739]" italics="true" pageId="75" pageNumber="76">Stelletta</emphasis>
|
||
</taxonomicName>
|
||
species, viz.
|
||
<taxonomicName authority="Mothes & Silva, 2002" authorityName="Mothes & Silva" authorityYear="2002" box="[151,605,1750,1775]" class="Demospongiae" family="Ancorinidae" genus="Stelletta" kingdom="Animalia" order="Astrophorida" pageId="75" pageNumber="76" phylum="Porifera" rank="species" species="ruetzleri">
|
||
<emphasis box="[151,345,1750,1775]" italics="true" pageId="75" pageNumber="76">Stelletta ruetzleri</emphasis>
|
||
<bibRefCitation author="Mothes" box="[353,605,1750,1775]" pageId="75" pageNumber="76" refString="Mothes, B. & Silva, C. M. M. Da (2002) Stelletta ruetzleri sp. nov., a new ancorinid from the Southwestern Atlantic (Porifera: Astrophorida). Scientia Marina, 66 (1), 69 - 75." type="journal article" year="2002">Mothes & Silva, 2002</bibRefCitation>
|
||
</taxonomicName>
|
||
from the Brazilian SE coast, but that species lacks anatriaenes and has a thick crust of spheroxyasters at the surface. On paper,
|
||
<taxonomicName authority="Schmidt, 1870" authorityName="Schmidt" authorityYear="1870" box="[773,1166,1786,1811]" class="Demospongiae" family="Ancorinidae" genus="Ancorina" kingdom="Animalia" order="Astrophorida" pageId="75" pageNumber="76" phylum="Porifera" rank="species" species="individua">
|
||
<emphasis box="[773,992,1786,1811]" italics="true" pageId="75" pageNumber="76">Ancorina individua</emphasis>
|
||
<bibRefCitation author="Schmidt" box="[1001,1166,1786,1811]" pageId="75" pageNumber="76" refString="Schmidt, O. (1870) Grundzuge einer Spongien-Fauna des atlantischen Gebietes. Wilhelm Engelmann, Leipzig, iii - iv, 88 pp." type="book" year="1870">Schmidt, 1870</bibRefCitation>
|
||
</taxonomicName>
|
||
from ‘Antillen’ and St. Croix could be conspecific with our material if Schmidt’s remark that it possesses ‘etwa 5 Ankervarietäten’ conforms to our diversity of triaenes. There are several ‘wet’ specimens (globular and of different sizes) from one of the two localities (St. Croix) in the Copenhagen Museum (confirmed by P. Cárdenas, pers.comm.), but no (re-)description of that
|
||
<typeStatus box="[373,460,1931,1955]" pageId="75" pageNumber="76">syntype</typeStatus>
|
||
material has so far been made. A slide made from one of the St. Croix specimens was examined by me, and it revealed that there is indeed a large diversity of triaenes, dominated by various shapes of anatriaenes, but there are no dichotriaenes shaped like the above-described. Asters in the microscopic section are small and probably of a single
|
||
<typeStatus box="[498,549,152,176]" pageId="76" pageNumber="77">type</typeStatus>
|
||
, but shape (oxyasters or tylasters) is uncertain due to the thickness of the slide. Additionally, the Natural History Museum (London), has a spicule slide from the Schmidt’s collection labeled ‘
|
||
<taxonomicName box="[155,378,223,248]" class="Demospongiae" family="Ancorinidae" genus="Ancorina" kingdom="Animalia" order="Astrophorida" pageId="76" pageNumber="77" phylum="Porifera" rank="species" species="individua">Ancorina individua</taxonomicName>
|
||
“121”,
|
||
<collectionCode box="[466,550,224,247]" pageId="76" pageNumber="77">BMNH</collectionCode>
|
||
1870.5.3.53 (re-examined by me). This conforms in its spicule composition to the Copenhagen
|
||
<typeStatus box="[340,388,261,285]" pageId="76" pageNumber="77">type</typeStatus>
|
||
material. Due to the absence of dichotriaenes in
|
||
<taxonomicName box="[941,1159,260,285]" class="Demospongiae" family="Ancorinidae" genus="Ancorina" kingdom="Animalia" order="Astrophorida" pageId="76" pageNumber="77" phylum="Porifera" rank="species" species="individua">
|
||
<emphasis box="[941,1159,260,285]" italics="true" pageId="76" pageNumber="77">Ancorina individua</emphasis>
|
||
</taxonomicName>
|
||
it is not likely to belong to the same species as the above described.
|
||
</paragraph>
|
||
<paragraph blockId="76.[151,1437,151,752]" pageId="76" pageNumber="77">
|
||
The boreal North Atlantic / Arctic species
|
||
<taxonomicName authority="Hentschel, 1929" authorityName="Hentschel" authorityYear="1929" box="[723,1210,332,357]" class="Demospongiae" family="Ancorinidae" genus="Stelletta" kingdom="Animalia" order="Astrophorida" pageId="76" pageNumber="77" phylum="Porifera" rank="species" species="rhaphidiophora">
|
||
<emphasis box="[723,1005,332,357]" italics="true" pageId="76" pageNumber="77">Stelletta rhaphidiophora</emphasis>
|
||
<bibRefCitation author="Hentschel" box="[1018,1210,332,357]" pageId="76" pageNumber="77" refString="Hentschel, E. (1929) Die Kiesel- und Hornschwamme des Nordlichen Eismeers. In: Romer, F., Schaudinn, F., Brauer, A. & Arndt, W. (Eds.), Fauna Arctica. Eine Zusammenstellung der arktischen Tierformen mit besonderer Berucksichtigung des Spitzbergen-Gebietes auf Grund der Ergebnisse der Deutschen Expedition in das Nordliche Eismeer im Jahre 1898. 5 (4). G. Fischer, Jena, pp. 857 - 1042." type="journal article" year="1929">Hentschel, 1929</bibRefCitation>
|
||
</taxonomicName>
|
||
, as redescribed by
|
||
<bibRefCitation author="Cardenas" box="[151,438,367,392]" pageId="76" pageNumber="77" refString="Cardenas, P. & Rapp, H. T. (2015) Demosponges from the Northern Mid-Atlantic Ridge shed more light on the diversity and biogeography of North Atlantic deep-sea sponges. Journal of the Marine Biological Association of the United Kingdom. 95 (7), 1475 - 1516." type="journal article" year="2015">Cárdenas & Rapp (2015)</bibRefCitation>
|
||
, has similarly shaped dichotriaenes and plagiotriaenes, and oxyaster microscleres, but it lacks anatriaenes and the oxyasters have smooth rays, unlike our new species. Likewise, the North Atlantic widespread deep-sea species
|
||
<taxonomicName authority="Topsent, 1892a" authorityName="Topsent" authorityYear="1892" box="[479,871,439,464]" class="Demospongiae" family="Ancorinidae" genus="Stelletta" kingdom="Animalia" order="Astrophorida" pageId="76" pageNumber="77" phylum="Porifera" rank="species" species="tuberosa">
|
||
<emphasis box="[479,675,439,464]" italics="true" pageId="76" pageNumber="77">Stelletta tuberosa</emphasis>
|
||
(
|
||
<bibRefCitation author="Topsent" box="[688,862,440,464]" pageId="76" pageNumber="77" refString="Topsent, E. (1892 a) Contribution l'etude des Spongiaires de l'Atlantique Nord (Golfe de Gascogne, Terre-Neuve, Acores). Resultats des campagnes scientifiques accomplies par le Prince Albert I. Monaco, 2, 1 - 165" type="journal article" year="1892" yearSuffix="a">Topsent, 1892a</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
as redescribed by
|
||
<bibRefCitation author="Cardenas" box="[1080,1363,439,464]" pageId="76" pageNumber="77" refString="Cardenas, P. & Rapp, H. T. (2015) Demosponges from the Northern Mid-Atlantic Ridge shed more light on the diversity and biogeography of North Atlantic deep-sea sponges. Journal of the Marine Biological Association of the United Kingdom. 95 (7), 1475 - 1516." type="journal article" year="2015">Cárdenas & Rapp (2015)</bibRefCitation>
|
||
, looks superficially like our new species, but the dichotriaenes have rhabdomes and cladi more than twice as thick, and oxyasters three times as large as those of our new species.
|
||
</paragraph>
|
||
<paragraph blockId="76.[151,1437,151,752]" pageId="76" pageNumber="77">
|
||
The
|
||
<collectingCountry box="[251,338,548,572]" name="Guyana" pageId="76" pageNumber="77">Guyana</collectingCountry>
|
||
material appears to belong to the same species as the specimen described previously as
|
||
<taxonomicName box="[1345,1436,548,573]" class="Demospongiae" family="Ancorinidae" genus="Stelletta" kingdom="Animalia" order="Astrophorida" pageId="76" pageNumber="77" phylum="Porifera" rank="genus">
|
||
<emphasis box="[1345,1436,548,573]" italics="true" pageId="76" pageNumber="77">Stelletta</emphasis>
|
||
</taxonomicName>
|
||
spec. by
|
||
<bibRefCitation box="[249,567,583,608]" pageId="76" pageNumber="77" refString="Van Soest, R. W. M. & Stentoft, N. (1988) Barbados Deep-Water Sponges. In: Hummelinck, P. W. & Van der Steen, L. J. (Eds.), Uitgaven van de Natuurwetenschappelijke Studiekring voor Suriname en de Nederlandse Antillen. No. 122. Studies on the Fauna of Curacao and other Caribbean Islands, 70 (215), 1 - 175. Avaliable from: http: // www. repository. naturalis. nl / document / 549872 (Accessed 11 Jan. 2017)" type="journal article">Van Soest & Stentoft (1988)</bibRefCitation>
|
||
. The spicule complement is closely similar: the protriaenes mentioned by Van Soest & Stentoft are in fact plagiotriaenes with short conical cladi such as found in several regional
|
||
<taxonomicName box="[1291,1382,620,645]" class="Demospongiae" family="Ancorinidae" genus="Stelletta" kingdom="Animalia" order="Astrophorida" pageId="76" pageNumber="77" phylum="Porifera" rank="genus">
|
||
<emphasis box="[1291,1382,620,645]" italics="true" pageId="76" pageNumber="77">Stelletta</emphasis>
|
||
</taxonomicName>
|
||
’s. A further difference would seem to be the small ‘chiasters’ of 3–6 µm diameter mentioned by these authors, but subsequent reexamination of the slides of the specimens demonstrated that these are oxyasters in a size range of 3–16 µm, quite similar to the present
|
||
<collectingCountry box="[571,658,728,752]" name="Guyana" pageId="76" pageNumber="77">Guyana</collectingCountry>
|
||
<typeStatus box="[665,767,727,752]" pageId="76" pageNumber="77">holotype</typeStatus>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |