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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.298.1913" ID-GBIF-Dataset="3410af4f-dc70-4642-9897-9e09a6296098" ID-PMC="PMC3689107" ID-Pensoft-Pub="1313-2970-298-39" ID-PubMed="23794884" ModsDocAuthor="" ModsDocDate="2013" ModsDocID="1313-2970-298-39" ModsDocOrigin="ZooKeys 298" ModsDocTitle="Revision of the genus Placospongia (Porifera, Demospongiae, Hadromerida, Placospongiidae) in the Indo-West Pacific" checkinTime="1451247311891" checkinUser="pensoft" docAuthor="Becking, Leontine E." docDate="2013" docId="C542A52C4AE8598E1D31667FAC2848D8" docLanguage="en" docName="ZooKeys 298: 39-76" docOrigin="ZooKeys 298" docSource="http://dx.doi.org/10.3897/zookeys.298.1913" docTitle="Placospongia melobesioides Gray 1867" docType="treatment" docVersion="3" lastPageNumber="49" masterDocId="FFE8630C6963FFA640287A488C11C60B" masterDocTitle="Revision of the genus Placospongia (Porifera, Demospongiae, Hadromerida, Placospongiidae) in the Indo-West Pacific" masterLastPageNumber="76" masterPageNumber="39" pageNumber="49" updateTime="1668155801409" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Revision of the genus Placospongia (Porifera, Demospongiae, Hadromerida, Placospongiidae) in the Indo-West Pacific</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Becking, Leontine E.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2013</mods:date>
<mods:detail type="volume">
<mods:number>298</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>39</mods:start>
<mods:end>76</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.298.1913</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.298.1913</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-298-39</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="152043837" LSID="urn:lsid:plazi:treatment:C542A52C4AE8598E1D31667FAC2848D8" httpUri="http://treatment.plazi.org/id/C542A52C4AE8598E1D31667FAC2848D8" lastPageId="11" lastPageNumber="49" pageId="10" pageNumber="49">
<subSubSection pageId="10" pageNumber="49" type="nomenclature">
<paragraph pageId="10" pageNumber="49">
<taxonomicName LSID="http://species-id.net/wiki/Placospongia_melobesioides" authority="Gray, 1867" authorityName="Gray" authorityYear="1867" class="Demospongiae" family="Placospongiidae" genus="Placospongia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placospongia melobesioides" order="Clionaida" pageId="10" pageNumber="49" phylum="Porifera" rank="species" species="melobesioides">
<pageBreakToken pageId="10" pageNumber="49" start="start">Placospongia</pageBreakToken>
melobesioides Gray, 1867
</taxonomicName>
Figure 6
</paragraph>
</subSubSection>
<subSubSection pageId="10" pageNumber="49" type="reference_group">
<paragraph pageId="10" pageNumber="49">
<taxonomicName class="Demospongiae" family="Placospongiidae" genus="Placospongia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placospongia melobesioides" order="Clionaida" pageId="10" pageNumber="49" phylum="Porifera" rank="species" species="melobesioides">Placospongia melobesioides</taxonomicName>
<bibRefCitation author="Gray, JE" journalOrPublisher="Proceedings of the Zoological Society of London" pageId="23" pageNumber="62" pagination="127 - 129" title="On Placospongia, a new generic form of Spongiadae in the British Museum." volume="1867" year="1867">Gray (1867)</bibRefCitation>
: figs 1-4.
</paragraph>
</subSubSection>
<subSubSection pageId="10" pageNumber="49" type="material examined">
<paragraph pageId="10" pageNumber="49">Material examined.</paragraph>
<paragraph pageId="10" pageNumber="49">Holotype. BMNH 52.4.1.14, Indonesia, Borneo island.</paragraph>
<paragraph pageId="10" pageNumber="49">Vosmaer &amp; Vernhout (1902), Siboga expedition: RMNH POR. 756, RMNH POR. 761, RMNH POR. 758, RMNH POR. 757, RMNH POR. 760, RMNH POR. 759. Other material:: RMNH POR. 4497, RMNH POR. 4496, RMNH POR. 4495, RMNH POR. 4114, RMNH POR. 3978, RMNH POR. 3977, RMNH POR. 3976, RMNH POR. 3942, RMNH POR. 3941, RMNH POR. 3940, RMNH POR. 3939, RMNH POR. 3938, RMNH POR. 3937, RMNH POR. 3935, RMNH POR. 3934, RMNH POR. 3933, RMNH POR. 3932, RMNH POR. 3177, RMNH POR. 3166, RMNH POR. 3154, RMNH POR. 2464, RMNH POR. 2463, ZMA Por. 13097, ZMA Por. 10459 (See Table 3 for full details per specimen)</paragraph>
<caption pageId="10" pageNumber="49">
<paragraph pageId="10" pageNumber="49">
Table 3. Location details of reviewed specimens of
<taxonomicName class="Demospongiae" family="Placospongiidae" genus="Placospongia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placospongia melobesioides" order="Clionaida" pageId="10" pageNumber="49" phylum="Porifera" rank="species" species="melobesioides">Placospongia melobesioides</taxonomicName>
.&lt;br/&gt;
</paragraph>
</caption>
<paragraph pageId="10" pageNumber="49">
<table pageId="10" pageNumber="49">
<tr pageId="10" pageNumber="49">
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">registration number</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">fieldcode</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">country</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">province</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">region</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">island</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">locality</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">habitat</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">latitude</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">longitude</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">depth (m.)</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">date</th>
<th colspan="1" pageId="10" pageNumber="49" rowspan="1">collector</th>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="south" orientation="latitude" precision="925" value="-4.2">04°12'S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="92" value="129.34">129°20.4'E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="south" orientation="latitude" precision="92" value="-7.21">07°12.6'S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="92" value="118.128334">118°7.7'E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="15" value="1.2361112">01°13'70&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="15" value="103.766945">103°45'61&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="15" value="1.2361112">01°13'70&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="15" value="103.766945">103°45'61&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="15" value="1.6238889">01°37'26&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="15" value="124.781944">124°46'55&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="15" value="1.6238889">01°37'26&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="15" value="124.781944">124°46'55&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="15" value="1.6049999">01°35'78&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="15" value="124.76833">124°46'06&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="2.14925">02°08'57.3&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="118.524">118°31'26.4&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="2.14925">02°08'57.3&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="118.524">118°31'26.4&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="2.14925">02°08'57.3&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="118.524">118°31'26.4&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="2.2923055">02°17'32.3&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="118.59058">118°35'26.1&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="2.0935">02°05'36.6&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="118.40422">118°24'15.2&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="2.0935">02°05'36.6&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="118.40422">118°24'15.2&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="2.085472">02°05'07.7&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="118.391106">118°23'28.0&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="9.526861">09°31'36.7&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="138.1302">138°07'48.7&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="9.526861">09°31'36.7&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="138.1302">138°07'48.7&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="9.526861">09°31'36.7&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="138.1302">138°07'48.7&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="2.14925">02°08'57.3&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="118.524">118°31'26.4&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="2.14925">02°08'57.3&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="118.524">118°31'26.4&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="2.14925">02°08'57.3&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="118.524">118°31'26.4&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="north" orientation="latitude" precision="1" value="2.0935">02°05'36.6&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="118.40422">118°24'15.2&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="south" orientation="latitude" precision="1" value="-4.5833054">04°34'59.9&quot;S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="55.466694">055°28'0.1&quot;E</geoCoordinate>
</td>
</tr>
<tr pageId="10" pageNumber="49">
<td colspan="2" pageId="10" pageNumber="49" rowspan="1">
<geoCoordinate direction="south" orientation="latitude" precision="1" value="-4.5833054">04°34'59.9&quot;S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="55.466694">055°28'0.1&quot;E</geoCoordinate>
</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection pageId="10" pageNumber="49" type="description">
<paragraph pageId="10" pageNumber="49">Description.</paragraph>
<paragraph pageId="10" pageNumber="49">Holotype BMNH 52.4.1.14 dry, chalky white angular branches, hard. Other examined material encrusting to branching, hard, thicker specimens slightly compressible. External morphology follows the description of the genus. Size ranging between 5-50 cm, though encrusting specimens may be larger growing within crevices. Ectosome color in life ranging from purple, dark black brown, chocolate brown, orange brown to light beige (Fig. 1, 2). Choanosome pale beige. After preservation color of ectosome is similar to live color.</paragraph>
<paragraph pageId="10" pageNumber="49">
Spicules. Holotype BMNH 52.4.1.14 (Fig. 6): Megascleres large straight tylostyles with blunt ends 670-880-1010
<normalizedToken originalValue="×">x</normalizedToken>
10-13-18
<normalizedToken originalValue="×">x</normalizedToken>
10-16-20
<normalizedToken originalValue="μm">μm</normalizedToken>
, small concave to straight tylostyles with sharp ends 205-293-420
<normalizedToken originalValue="×">x</normalizedToken>
5-10-13
<normalizedToken originalValue="×">x</normalizedToken>
5-10-13
<normalizedToken originalValue="μm">μm</normalizedToken>
. Microscleres selenasters 58-63-68
<normalizedToken originalValue="×">x</normalizedToken>
45-52-68
<normalizedToken originalValue="μm">μm</normalizedToken>
, spherasters 15-17-18
<normalizedToken originalValue="μm">μm</normalizedToken>
(five measurements, not abundant), spherules 1-2-3
<normalizedToken originalValue="μ">μ</normalizedToken>
m. The range within the examined material (Table 1): large tylostyles 460-1040
<normalizedToken originalValue="×">x</normalizedToken>
5-16
<normalizedToken originalValue="×">x</normalizedToken>
8-18
<normalizedToken originalValue="μ">μ</normalizedToken>
m, small tylostyles 190-470
<normalizedToken originalValue="×">x</normalizedToken>
3-13
<normalizedToken originalValue="×">x</normalizedToken>
3-15
<normalizedToken originalValue="μ">μ</normalizedToken>
m, selenasters 45-83
<normalizedToken originalValue="×">x</normalizedToken>
30-65
<normalizedToken originalValue="μ">μ</normalizedToken>
m, spherules 1-3
<normalizedToken originalValue="μ">μ</normalizedToken>
m, spherasters only found in singles in some individuals 15-20
<normalizedToken originalValue="μ">μ</normalizedToken>
m. Streptasters and microrhabds absent.
</paragraph>
<paragraph pageId="10" pageNumber="49">Skeleton. As description of genus with addition of sporadic spherasters lodged amidst selenasters in cortex and high abundance of spherules in choanosome and cortex.</paragraph>
<caption pageId="10" pageNumber="49">
<paragraph pageId="10" pageNumber="49">
Figure 6.
<taxonomicName class="Demospongiae" family="Placospongiidae" genus="Placospongia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Placospongia melobesioides" order="Clionaida" pageId="10" pageNumber="49" phylum="Porifera" rank="species" species="melobesioides">Placospongia melobesioides</taxonomicName>
holotype (BMNH 52.4.1.14). A Holotype with two labels B selenaster C large tylostyle (head and blunt end) D small tylostyle (head and hastate end) E spheraster F spherules.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="10" pageNumber="49" type="ecology">
<paragraph pageId="10" pageNumber="49">Ecology.</paragraph>
<paragraph pageId="10" pageNumber="49">Depth: 0-45m. Reefs, rocky shores, reefflats, mangroves, and marine lakes.</paragraph>
</subSubSection>
<subSubSection pageId="10" pageNumber="49" type="distribution">
<paragraph pageId="10" pageNumber="49">Distribution.</paragraph>
<paragraph pageId="10" pageNumber="49">Type locality: Borneo. Distribution from Seychelles to Micronesia (Fig. 9, Table 3). Possibly further east to Central Pacific.</paragraph>
</subSubSection>
<subSubSection lastPageId="11" lastPageNumber="50" pageId="10" pageNumber="49" type="remarks">
<paragraph pageId="10" pageNumber="49">Remarks.</paragraph>
<paragraph lastPageId="11" lastPageNumber="50" pageId="10" pageNumber="49">
In the original description by
<bibRefCitation author="Gray, JE" journalOrPublisher="Proceedings of the Zoological Society of London" pageId="23" pageNumber="62" pagination="127 - 129" title="On Placospongia, a new generic form of Spongiadae in the British Museum." volume="1867" year="1867">Gray (1867)</bibRefCitation>
there is no mention of two size classes of tylostyles. I reexamined the original slide and conclude that the holotype does contain two size classes of tylostyles. The Systema Porifera indicates that the holotype has two size classes, the large 720-963-1200
<normalizedToken originalValue="×">x</normalizedToken>
13-14.1-19
<normalizedToken originalValue="μm">μm</normalizedToken>
and the small 350-438.8-560
<normalizedToken originalValue="×">x</normalizedToken>
8-9.1-10.5
<normalizedToken originalValue="μm">μm</normalizedToken>
, based on 10 measurements per spicule type (
<bibRefCitation author="Ruetzler, K" journalOrPublisher="Molecular Phylogenetics &amp; Evolution" pageId="24" pageNumber="63" title="Family Placospongiidae Gray, 1867. In: Hooper JNA, van Soest RW M (Ed.) Systema Porifera. A guide to the classification of sponges. 1 (Kluwer Academic / Plenum Publishers: New York, Boston, Dordrecht, London, Moscow), Pp. 196 - 200." url="10.1007/978-1-4615-0747-5_21" year="2002">
<normalizedToken originalValue="Rützler">Ruetzler</normalizedToken>
2002
</bibRefCitation>
). These measurements deviate from the holotype measurements in the present
<pageBreakToken pageId="11" pageNumber="50" start="start">study</pageBreakToken>
that were based on 25 measurements per spicule type (670-880-1010
<normalizedToken originalValue="×">x</normalizedToken>
10-13-18
<normalizedToken originalValue="μm">μm</normalizedToken>
and 205-293-420
<normalizedToken originalValue="×">x</normalizedToken>
5-10-13
<normalizedToken originalValue="μm">μm</normalizedToken>
respectively), and also deviate from the range of sizes within the examined material of this study (Table 1). There is great variation in tylostyle length and spherasters are only sporadically present, often absent.
</paragraph>
</subSubSection>
</treatment>
</document>