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<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="03A8001077E4FF18FF14A24E949DFD32" 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="Timea tylasterina Van, 2017, sp. nov." docType="treatment" docVersion="19" lastPageNumber="181" masterDocId="FF9178687757FFACFF83A36B907DFF9A" masterDocTitle="Sponges of the Guyana Shelf" masterLastPageNumber="225" masterPageNumber="1" pageNumber="180" updateTime="1645784257244" updateUser="ExternalLinkService">
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<mods:titleInfo>
<mods:title>Sponges of the Guyana Shelf</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Van, Rob W. M.</mods:namePart>
</mods:name>
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<mods:title>Zootaxa</mods:title>
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<mods:date>2017</mods:date>
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<mods:number>1</mods:number>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.5281/zenodo.272951</mods:identifier>
<mods:identifier type="GBIF-Dataset">e2c88f4c-3ac2-45f9-95e4-99b75561a081</mods:identifier>
<mods:identifier type="ISSN">1175-5326</mods:identifier>
<mods:identifier type="Zenodo-Dep">272951</mods:identifier>
<mods:identifier type="ZooBank">6D68A019-6F63-4AA4-A8B3-92D351F1F69B</mods:identifier>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.5698748" ID-GBIF-Taxon="127419780" ID-Zenodo-Dep="5698748" LSID="urn:lsid:plazi:treatment:03A8001077E4FF18FF14A24E949DFD32" httpUri="http://treatment.plazi.org/id/03A8001077E4FF18FF14A24E949DFD32" lastPageId="180" lastPageNumber="181" pageId="179" pageNumber="180">
<subSubSection pageId="179" pageNumber="180" type="nomenclature">
<paragraph blockId="179.[151,461,293,352]" box="[151,461,293,319]" pageId="179" pageNumber="180">
<heading bold="true" box="[151,461,293,319]" fontSize="11" level="1" pageId="179" pageNumber="180" reason="1">
<emphasis bold="true" box="[151,461,293,319]" pageId="179" pageNumber="180">
<taxonomicName box="[151,361,293,319]" class="Demospongiae" family="Timeidae" genus="Timea" kingdom="Animalia" order="Hadromerida" pageId="179" pageNumber="180" phylum="Porifera" rank="species" species="tylasterina" status="sp. nov.">
<emphasis bold="true" box="[151,361,293,319]" italics="true" pageId="179" pageNumber="180">Timea tylasterina</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[367,461,293,319]" pageId="179" pageNumber="180" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph blockId="179.[151,461,293,352]" box="[151,322,327,352]" pageId="179" pageNumber="180">
<figureCitation box="[151,283,327,352]" captionStart="FIGURE 112" captionStartId="179.[151,250,1605,1627]" captionTargetBox="[151,1436,513,1583]" captionTargetId="figure@179.[151,1436,513,1583]" captionTargetPageId="179" captionText="FIGURE 112. Timea tylasterina sp. nov., a, habitus of holotype RMNH Por. 9776 (scale bar = 1 cm), b e, SEM images of the spicules, b, tylostyle, b 1, details of b, c, large tylasters, d, small tylasters, e, middle-sized thin-rayed tylaster." httpUri="https://zenodo.org/record/273062/files/figure.png" pageId="179" pageNumber="180">Figures 112</figureCitation>
ae
</paragraph>
</subSubSection>
<subSubSection pageId="179" pageNumber="180" type="materials_examined">
<paragraph blockId="179.[151,1436,399,461]" pageId="179" pageNumber="180">
<materialsCitation ID-GBIF-Occurrence="1424726534" collectingDate="1969-04-24" collectionCode="RMNH" collectorName="Luymes O. C. P. S." country="Suriname" elevation="81" latitude="7.21" location="Suriname" longLatPrecision="555" longitude="-54.8617" pageId="179" pageNumber="180" specimenCount="1" typeStatus="holotype">
<emphasis bold="true" box="[151,383,399,424]" pageId="179" pageNumber="180">Material examined.</emphasis>
<typeStatus box="[390,494,399,424]" pageId="179" pageNumber="180">Holotype</typeStatus>
<collectionCode box="[500,584,400,423]" country="Netherlands" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="179" pageNumber="180">RMNH</collectionCode>
Por. 9776,
<collectingCountry box="[710,820,399,424]" name="Suriname" pageId="179" pageNumber="180">Suriname</collectingCountry>
,
<collectorName box="[835,1032,400,424]" pageId="179" pageNumber="180">Luymes O.C.P.S.</collectorName>
II
<collectingCountry box="[1066,1153,400,424]" name="Guyana" pageId="179" pageNumber="180">Guyana</collectingCountry>
Shelf Expedition, station I115,
<geoCoordinate box="[215,295,436,460]" direction="north" orientation="latitude" pageId="179" pageNumber="180" precision="555" value="7.21">7.21°N</geoCoordinate>
<geoCoordinate box="[302,431,436,461]" direction="west" orientation="longitude" pageId="179" pageNumber="180" precision="5" value="-54.8617">54.8617°W</geoCoordinate>
, depth
<quantity box="[512,571,436,460]" metricMagnitude="1" metricUnit="m" metricValue="8.1" pageId="179" pageNumber="180" unit="m" value="81.0">
<elevation box="[512,571,436,460]" metricMagnitude="1" metricUnit="m" metricValue="8.1" pageId="179" pageNumber="180" unit="m" value="81.0">81 m</elevation>
</quantity>
, triangular dredge,
<date box="[789,949,436,461]" pageId="179" pageNumber="180" value="1969-04-24">
<collectingDate box="[789,949,436,461]" pageId="179" pageNumber="180" value="1969-04-24">24 April 1969</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
</subSubSection>
<caption httpUri="https://zenodo.org/record/273062/files/figure.png" pageId="179" pageNumber="180" targetBox="[151,1436,513,1583]" targetPageId="179">
<paragraph blockId="179.[151,1436,1604,1657]" pageId="179" pageNumber="180">
<emphasis bold="true" box="[151,299,1605,1627]" pageId="179" pageNumber="180">FIGURE 112.</emphasis>
<taxonomicName box="[305,482,1604,1627]" class="Demospongiae" family="Timeidae" genus="Timea" kingdom="Animalia" order="Hadromerida" pageId="179" pageNumber="180" phylum="Porifera" rank="species" species="tylasterina" status="sp. nov.">
<emphasis box="[305,482,1604,1627]" italics="true" pageId="179" pageNumber="180">
<taxonomicName box="[305,367,1606,1627]" class="Demospongiae" family="Timeidae" genus="Timea" kingdom="Animalia" order="Hadromerida" pageId="179" pageNumber="180" phylum="Porifera" rank="genus">Timea</taxonomicName>
<taxonomicName box="[373,482,1604,1626]" pageId="179" pageNumber="180" rank="species" species="tylasterina" status="sp. nov.">tylasterina</taxonomicName>
</emphasis>
</taxonomicName>
<emphasis bold="true" box="[488,569,1605,1626]" pageId="179" pageNumber="180">
<taxonomicNameLabel box="[488,569,1605,1626]" pageId="179" pageNumber="180" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, a, habitus of holotype RMNH Por. 9776 (scale bar = 1 cm), be, SEM images of the spicules, b, tylostyle, b1, details of b, c, large tylasters, d, small tylasters, e, middle-sized thin-rayed tylaster.
</paragraph>
</caption>
<subSubSection lastPageId="180" lastPageNumber="181" pageId="179" pageNumber="180" type="description">
<paragraph blockId="179.[151,1436,1696,2012]" pageId="179" pageNumber="180">
<emphasis bold="true" box="[199,345,1696,1721]" pageId="179" pageNumber="180">Description.</emphasis>
(
<figureCitation box="[359,453,1696,1721]" captionStart="FIGURE 112" captionStartId="179.[151,250,1605,1627]" captionTargetBox="[151,1436,513,1583]" captionTargetId="figure@179.[151,1436,513,1583]" captionTargetPageId="179" captionText="FIGURE 112. Timea tylasterina sp. nov., a, habitus of holotype RMNH Por. 9776 (scale bar = 1 cm), b e, SEM images of the spicules, b, tylostyle, b 1, details of b, c, large tylasters, d, small tylasters, e, middle-sized thin-rayed tylaster." httpUri="https://zenodo.org/record/273062/files/figure.png" pageId="179" pageNumber="180">Fig. 112</figureCitation>
a) Thin ecrustation cementing calcareous rubble. Surface optically smooth. Size about
<quantity metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="179" pageNumber="180" unit="cm" value="2.0">2 cm</quantity>
2, consisting of dispersed patches. Color (in alcohol) whitish to greyish.
</paragraph>
<paragraph blockId="179.[151,1436,1696,2012]" pageId="179" pageNumber="180">
<emphasis bold="true" box="[199,309,1771,1796]" pageId="179" pageNumber="180">Skeleton.</emphasis>
Thin single tylostyles arise from the substratum erect or in small diverging groups, protruding barely beyond the surface. Microscleres form a dense mass at the base of the sponge.
</paragraph>
<paragraph blockId="179.[151,1436,1696,2012]" box="[199,703,1843,1868]" pageId="179" pageNumber="180">
<emphasis bold="true" box="[199,304,1843,1868]" pageId="179" pageNumber="180">Spicules.</emphasis>
(
<figureCitation box="[319,416,1843,1868]" captionStart="FIGURE 112" captionStartId="179.[151,250,1605,1627]" captionTargetBox="[151,1436,513,1583]" captionTargetId="figure@179.[151,1436,513,1583]" captionTargetPageId="179" captionText="FIGURE 112. Timea tylasterina sp. nov., a, habitus of holotype RMNH Por. 9776 (scale bar = 1 cm), b e, SEM images of the spicules, b, tylostyle, b 1, details of b, c, large tylasters, d, small tylasters, e, middle-sized thin-rayed tylaster." httpUri="https://zenodo.org/record/273062/files/figure.png" pageId="179" pageNumber="180">Figs 112</figureCitation>
be) Tylostyles, tylasters.
</paragraph>
<paragraph blockId="179.[151,1436,1696,2012]" pageId="179" pageNumber="180">
Tylostyles (
<figureCitation box="[328,428,1879,1904]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-10="FIGURE 11" captionStart-11="FIGURE 12" captionStart-2="FIGURE 3" captionStart-3="FIGURE 4" captionStart-4="FIGURE 5" captionStart-5="FIGURE 6" captionStart-6="FIGURE 7" captionStart-7="FIGURE 8" captionStart-8="FIGURE 9" captionStart-9="FIGURE 10" captionStartId-0="9.[151,250,1197,1219]" captionStartId-1="10.[151,250,1108,1130]" captionStartId-10="20.[151,250,1776,1798]" captionStartId-11="21.[151,250,1849,1871]" captionStartId-2="12.[151,250,862,884]" captionStartId-3="13.[151,250,689,711]" captionStartId-4="13.[151,250,1831,1853]" captionStartId-5="14.[151,250,1744,1766]" captionStartId-6="15.[151,250,1275,1297]" captionStartId-7="16.[151,250,1454,1476]" captionStartId-8="18.[151,250,1169,1191]" captionStartId-9="19.[151,250,1365,1386]" captionTargetBox-0="[340,1247,339,1176]" captionTargetBox-1="[151,1391,374,1048]" captionTargetBox-10="[151,1436,1271,1754]" captionTargetBox-11="[151,1436,535,1827]" captionTargetBox-2="[151,1436,267,841]" captionTargetBox-3="[151,1436,195,668]" captionTargetBox-4="[151,1436,1216,1809]" captionTargetBox-5="[151,1436,857,1722]" captionTargetBox-6="[151,1436,778,1254]" captionTargetBox-7="[151,1436,965,1433]" captionTargetBox-8="[151,1436,195,1147]" captionTargetBox-9="[151,1436,337,1344]" captionTargetId-0="figure@9.[340,1247,339,1176]" captionTargetId-1="figure@10.[151,1436,373,1086]" captionTargetId-10="figure@20.[151,1436,1271,1754]" captionTargetId-11="figure@21.[151,1436,535,1827]" captionTargetId-2="figure@12.[151,1436,267,841]" captionTargetId-3="figure@13.[151,1436,195,668]" captionTargetId-4="figure@13.[151,1436,1216,1809]" captionTargetId-5="figure@14.[151,1436,857,1722]" captionTargetId-6="figure@15.[151,1436,778,1254]" captionTargetId-7="figure@16.[151,1436,965,1433]" captionTargetId-8="figure@18.[151,1436,195,1147]" captionTargetId-9="figure@19.[151,1436,337,1344]" captionTargetPageId-0="9" captionTargetPageId-1="10" captionTargetPageId-10="20" captionTargetPageId-11="21" captionTargetPageId-2="12" captionTargetPageId-3="13" captionTargetPageId-4="13" captionTargetPageId-5="14" captionTargetPageId-6="15" captionTargetPageId-7="16" captionTargetPageId-8="18" captionTargetPageId-9="19" captionText-0="FIGURE 1. Map of the northeast coast of South America showing the Guyana Shelf with 200 m depth contour and in the inset the area covered by the Dutch HMS Snellius O. C. P. S. 1966, HMS Luymes O. C. P. S. II 1969, and HMS Luymes Guyana Shelf 1970 expeditions. Arrows indicate predominant current direction. Map courtesy of www. prima. com (map collection Free Edition)." captionText-1="FIGURE 2. Overview of stations on the Guyana Shelf made by the Dutch HMS Snellius O. C. P. S. 1966, HMS Luymes O. C. P. S. II 1969, and HMS Luymes Guyana Shelf 1970 expeditions (black dots), with numbered stations where sponges were obtained. Details for each station are provided in the text with each described sponge species." captionText-10="FIGURE 11. Dysidea etheria De Laubenfels, 1936, a, habitus of RMNH Por. 9353 (scale bar = 1 cm), b. light microscopic image of cross section of skeleton of RMNH 10510." captionText-11="FIGURE 12. Callyspongia (Callyspongia) cf. pallida Hechtel, 1965, a, habitus of RMNH Por. 9894 (scale bar = 1 cm), a 1, habitus of RMNH Por. 9900 (scale bar = 1 cm), b, light microscopic image of surface skeleton of RMNH Por. 9894, c c 1, SEM images of skeleton of RMNH Por. 9900, c, surface skeleton, c 1, detail of c, d, SEM image of oxeas." captionText-2="FIGURE 3. Chondrilla caribensis Rützler, Duran &amp; Piantoni, 2007, RMNH Por. 9816, a, habitus (scale bar = 1 cm), b, SEM image of spherasters." captionText-3="FIGURE 4. Chondrosia collectrix (Schmidt, 1870), RMNH Por. 9338, a, habitus (scale bar = 1 cm), b, light microscopic image of cross section of peripheral region." captionText-4="FIGURE 5. Aplysina caissara Pinheiro &amp; Hajdu, 2001, RMNH Por. 9340, a, habitus (scale bar = 1 cm), b, light microscopic image of skeleton of pithed fibers." captionText-5="FIGURE 6. Aplysina cauliformis (Carter, 1882), RMNH Por. 9340, a, habitus of two specimens (scale bar = 1 cm), b, light microscopic image of skeleton of pithed fibers." captionText-6="FIGURE 7. Aiolochroia crassa (Hyatt, 1875), RMNH Por. 9819, a, habitus (scale bar = 1 cm), b, light microscopic image of skeleton of pithed fibers." captionText-7="FIGURE 8. Chelonaplysilla americana sp. nov., a, habitus of holotype RMNH Por. 9812 (scale bar = 1 cm), b, light microscopic image of surface sand grain reticulation." captionText-8="FIGURE 9. Igernella notabilis (Duchassaing &amp; Michelotti, 1864), RMNH Por. 9337, a, fragments (scale bar = 1 cm), a 1, one of the fragments enlarged (scale bar = 1 cm), b c, light microscopic images, b, peripheral skeleton, c, horny spicule." captionText-9="FIGURE 10. Ircinia felix (Duchassaing &amp; Michelotti, 1864), a, habitus of RMNH Por. 9333 (scale bar = 1 cm), b, habitus of RMNH Por. 9936 (scale bar = 1 cm), c d, light microscopic images of skeleton of RMNH Por. 9904, c, cross section, d, filaments." httpUri-0="https://zenodo.org/record/272952/files/figure.png" httpUri-1="https://zenodo.org/record/272953/files/figure.png" httpUri-10="https://zenodo.org/record/272962/files/figure.png" httpUri-11="https://zenodo.org/record/272963/files/figure.png" httpUri-2="https://zenodo.org/record/272954/files/figure.png" httpUri-3="https://zenodo.org/record/272955/files/figure.png" httpUri-4="https://zenodo.org/record/272956/files/figure.png" httpUri-5="https://zenodo.org/record/272957/files/figure.png" httpUri-6="https://zenodo.org/record/272958/files/figure.png" httpUri-7="https://zenodo.org/record/272959/files/figure.png" httpUri-8="https://zenodo.org/record/272960/files/figure.png" httpUri-9="https://zenodo.org/record/272961/files/figure.png" pageId="179" pageNumber="180">Figs 1 12</figureCitation>
b,b1), thin, slightly curved, with rather elongated tyle, sometimes subapical, 204
<emphasis box="[1338,1380,1880,1904]" italics="true" pageId="179" pageNumber="180">292</emphasis>
388
<date box="[151,185,1916,1940]" pageId="179" pageNumber="180">x 2</date>
<emphasis box="[200,235,1916,1940]" italics="true" pageId="179" pageNumber="180">3.2</emphasis>
4 µm.
</paragraph>
<paragraph blockId="179.[151,1436,1696,2012]" lastBlockId="180.[151,1436,151,680]" lastPageId="180" lastPageNumber="181" pageId="179" pageNumber="180">
Tylasters in two categories, (1) larger (
<figureCitation box="[644,747,1951,1976]" captionStart="FIGURE 112" captionStartId="179.[151,250,1605,1627]" captionTargetBox="[151,1436,513,1583]" captionTargetId="figure@179.[151,1436,513,1583]" captionTargetPageId="179" captionText="FIGURE 112. Timea tylasterina sp. nov., a, habitus of holotype RMNH Por. 9776 (scale bar = 1 cm), b e, SEM images of the spicules, b, tylostyle, b 1, details of b, c, large tylasters, d, small tylasters, e, middle-sized thin-rayed tylaster." httpUri="https://zenodo.org/record/273062/files/figure.png" pageId="179" pageNumber="180">Figs 112</figureCitation>
c), with 810 thick, truncated, smooth rays each ending in a crown with 37 conical spines, 13
<emphasis box="[548,597,1988,2012]" italics="true" pageId="179" pageNumber="180">14.1</emphasis>
15.5 µm, and (2) smaller (
<figureCitation box="[903,1004,1987,2012]" captionStart="FIGURE 112" captionStartId="179.[151,250,1605,1627]" captionTargetBox="[151,1436,513,1583]" captionTargetId="figure@179.[151,1436,513,1583]" captionTargetPageId="179" captionText="FIGURE 112. Timea tylasterina sp. nov., a, habitus of holotype RMNH Por. 9776 (scale bar = 1 cm), b e, SEM images of the spicules, b, tylostyle, b 1, details of b, c, large tylasters, d, small tylasters, e, middle-sized thin-rayed tylaster." httpUri="https://zenodo.org/record/273062/files/figure.png" pageId="179" pageNumber="180">Figs 112</figureCitation>
d), with 711 short truncated rays each ending in a profusedly spined crown often consisting of double circles of spines, 7
<emphasis box="[1081,1116,152,176]" italics="true" pageId="180" pageNumber="181">8.4</emphasis>
10 µm. A few middle-sized tylasters (
<figureCitation box="[260,354,188,213]" captionStart="FIGURE 112" captionStartId="179.[151,250,1605,1627]" captionTargetBox="[151,1436,513,1583]" captionTargetId="figure@179.[151,1436,513,1583]" captionTargetPageId="179" captionText="FIGURE 112. Timea tylasterina sp. nov., a, habitus of holotype RMNH Por. 9776 (scale bar = 1 cm), b e, SEM images of the spicules, b, tylostyle, b 1, details of b, c, large tylasters, d, small tylasters, e, middle-sized thin-rayed tylaster." httpUri="https://zenodo.org/record/273062/files/figure.png" pageId="180" pageNumber="181">Fig. 112</figureCitation>
e) occurred with thinner rays, presumably juveniles of the large tylasters.
</paragraph>
</subSubSection>
<subSubSection box="[199,1027,223,248]" pageId="180" pageNumber="181" type="distribution">
<paragraph blockId="180.[151,1436,151,680]" box="[199,1027,223,248]" pageId="180" pageNumber="181">
<emphasis bold="true" box="[199,498,223,248]" pageId="180" pageNumber="181">Distribution and ecology.</emphasis>
<collectingCountry box="[505,592,224,248]" name="Guyana" pageId="180" pageNumber="181">Guyana</collectingCountry>
Shelf, on sandy bottom at
<quantity box="[893,950,224,248]" metricMagnitude="1" metricUnit="m" metricValue="8.1" pageId="180" pageNumber="181" unit="m" value="81.0">81 m</quantity>
depth.
</paragraph>
</subSubSection>
<subSubSection box="[199,700,260,285]" pageId="180" pageNumber="181" type="etymology">
<paragraph blockId="180.[151,1436,151,680]" box="[199,700,260,285]" pageId="180" pageNumber="181">
<emphasis bold="true" box="[199,334,260,285]" pageId="180" pageNumber="181">Etymology.</emphasis>
The name refers to the tylasters.
</paragraph>
</subSubSection>
<subSubSection pageId="180" pageNumber="181" type="discussion">
<paragraph blockId="180.[151,1436,151,680]" pageId="180" pageNumber="181">
<emphasis bold="true" box="[199,315,295,320]" pageId="180" pageNumber="181">Remarks.</emphasis>
Among the many (13) species of
<taxonomicName box="[725,793,297,320]" class="Demospongiae" family="Timeidae" genus="Timea" kingdom="Animalia" order="Hadromerida" pageId="180" pageNumber="181" phylum="Porifera" rank="genus">
<emphasis box="[725,793,297,320]" italics="true" pageId="180" pageNumber="181">Timea</emphasis>
</taxonomicName>
recorded from the
<collectingRegion box="[1026,1109,295,320]" country="Sri Lanka" name="Central" pageId="180" pageNumber="181">Central</collectingRegion>
<collectingRegion box="[1120,1175,296,319]" country="Tanzania" name="Mjini Magharibi" pageId="180" pageNumber="181">West</collectingRegion>
Atlantic, there are no descriptions matching all aspects of the above described material. Using
<bibRefCitation box="[999,1230,332,357]" pageId="180" pageNumber="181" refString="Leite, D. M. B., Fonseca, C. A., Leal, C. V. &amp; Hajdu, E. (2015) Two new species of Timea from the Southwest Atlantic (Timeidae, Demospongiae, Porifera). Zootaxa, 4034 (1), 161 - 181. http: // dx. doi. org / 10.11646 / zootaxa. 4034.1.8" type="journal article">
Leite
<emphasis box="[1066,1125,332,357]" italics="true" pageId="180" pageNumber="181">et al.</emphasis>
s (2015)
</bibRefCitation>
key to the
<taxonomicName box="[1367,1434,333,356]" class="Demospongiae" family="Timeidae" genus="Timea" kingdom="Animalia" order="Hadromerida" pageId="180" pageNumber="181" phylum="Porifera" rank="genus">
<emphasis box="[1367,1434,333,356]" italics="true" pageId="180" pageNumber="181">Timea</emphasis>
</taxonomicName>
species of the Tropical
<collectingRegion box="[426,481,368,391]" country="Tanzania" name="Mjini Magharibi" pageId="180" pageNumber="181">West</collectingRegion>
Atlantic the new species keys out as
<taxonomicName authority="Hechtel, 1969" authorityName="Hechtel" authorityYear="1969" box="[930,1311,367,392]" class="Demospongiae" family="Timeidae" genus="Timea" kingdom="Animalia" order="Hadromerida" pageId="180" pageNumber="181" phylum="Porifera" rank="species" species="stenosclera">
<emphasis box="[930,1136,367,392]" italics="true" pageId="180" pageNumber="181">Timea stenosclera</emphasis>
<bibRefCitation author="Hechtel" box="[1147,1311,367,392]" pageId="180" pageNumber="181" refString="Hechtel, G. J. (1969) New species and records of shallow water Demospongiae from Barbados, West Indies. Postilla, 132, 1 - 38." type="journal article" year="1969">Hechtel, 1969</bibRefCitation>
</taxonomicName>
. There are indeed several similarities with this species, originally described from
<collectingCountry box="[1043,1153,404,429]" name="Barbados" pageId="180" pageNumber="181">Barbados</collectingCountry>
: thin optically smooth encrustation, small sized tylostyles, loose arrangement of megascleres, and two categories of asters. However, the large asters of
<taxonomicName box="[314,470,476,501]" class="Demospongiae" family="Timeidae" genus="Timea" kingdom="Animalia" order="Hadromerida" pageId="180" pageNumber="181" phylum="Porifera" rank="species" species="stenosclera">
<emphasis box="[314,470,476,501]" italics="true" pageId="180" pageNumber="181">T. stenosclera</emphasis>
</taxonomicName>
are oxyspherasters of up to 25.9 µm (average 19.7 µm) whereas the large asters in the present species are tylasters of up to 15.5 µm. The small asters of
<taxonomicName box="[886,1042,511,536]" class="Demospongiae" family="Timeidae" genus="Timea" kingdom="Animalia" order="Hadromerida" pageId="180" pageNumber="181" phylum="Porifera" rank="species" species="stenosclera">
<emphasis box="[886,1042,511,536]" italics="true" pageId="180" pageNumber="181">T. stenosclera</emphasis>
</taxonomicName>
are euasters (drawn as thin-rayed oxyasters) of up to 11.8 µm (average 9.7 µm), whereas the small asters in the present species are tylasters with squat, profusedly ornamented rays, 710 µm in size.
</paragraph>
<paragraph blockId="180.[151,1436,151,680]" pageId="180" pageNumber="181">
The asters of the new species on paper appear similar in shape and size to those of
<taxonomicName authority="De Laubenfels, 1936" authorityName="De Laubenfels" authorityYear="1936" class="Demospongiae" family="Timeidae" genus="Timea" kingdom="Animalia" order="Hadromerida" pageId="180" pageNumber="181" phylum="Porifera" rank="species" species="perastra">
<emphasis box="[1207,1382,621,644]" italics="true" pageId="180" pageNumber="181">Timea perastra</emphasis>
(
<bibRefCitation author="De" pageId="180" pageNumber="181" refString="De Laubenfels, M. W. (1936) A discussion of the sponge fauna of the Dry Tortugas, in particular, and the West Indies in general, with material for a revision of the families and orders of the Porifera. Carnegie Institution of Washington Publication, 467 (Tortugas Laboratory Paper, 30, 1 - 225." type="journal article" year="1936">De Laubenfels, 1936</bibRefCitation>
)
</taxonomicName>
(as
<taxonomicName box="[401,541,655,680]" class="Demospongiae" family="Tethyidae" genus="Halicometes" kingdom="Animalia" order="Hadromerida" pageId="180" pageNumber="181" phylum="Porifera" rank="genus">
<emphasis box="[401,541,655,680]" italics="true" pageId="180" pageNumber="181">Halicometes</emphasis>
</taxonomicName>
), but the tylostyles of that species may be up to 1888 µm long.
</paragraph>
</subSubSection>
</treatment>
</document>