165 lines
11 KiB
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165 lines
11 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.68.729" ID-GBIF-Dataset="84c8a2ac-d7b8-46f3-9888-ce6c1485ac65" ID-PMC="PMC3088436" ID-Pensoft-Pub="1313-2970-68-1" ID-PubMed="21594036" ModsDocAuthor="" ModsDocDate="2010" ModsDocID="1313-2970-68-1" ModsDocOrigin="ZooKeys 68" ModsDocTitle="Skeletons in confusion: a review of astrophorid sponges with (dicho–)calthrops as structural megascleres (Porifera, Demospongiae, Astrophorida)" checkinTime="1451250894870" checkinUser="pensoft" docAuthor="Van Soest, Rob W. M., Beglinger, Elly J. & De Voogd, Nicole J." docDate="2010" docId="06E8F03D43D27F106B6223B6C6D23A61" docLanguage="en" docName="ZooKeys 68: 1-88" docOrigin="ZooKeys 68" docSource="http://dx.doi.org/10.3897/zookeys.68.729" docTitle="Dercitus (Stoeba) sibogae Soest, Beglinger & Voogd, 2010, sp. n." docType="treatment" docVersion="6" lastPageNumber="42" masterDocId="5D0AFFB7C87613675E79FFF7DA38AE2E" masterDocTitle="Skeletons in confusion: a review of astrophorid sponges with (dicho-) calthrops as structural megascleres (Porifera, Demospongiae, Astrophorida)" masterLastPageNumber="88" masterPageNumber="1" pageNumber="41" updateTime="1668164561298" 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>Skeletons in confusion: a review of astrophorid sponges with (dicho-) calthrops as structural megascleres (Porifera, Demospongiae, Astrophorida)</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 Soest, Rob W. M.</mods:namePart>
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</mods:name>
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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>Beglinger, Elly J.</mods:namePart>
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</mods:name>
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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>De Voogd, Nicole J.</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>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2010</mods:date>
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<mods:detail type="volume">
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<mods:number>68</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>88</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:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.68.729</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.68.729</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-68-1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159360726" LSID="urn:lsid:zoobank.org:act:24C3A89D-99AE-4C39-B1DB-E028D9516826" httpUri="http://treatment.plazi.org/id/06E8F03D43D27F106B6223B6C6D23A61" lastPageId="41" lastPageNumber="42" pageId="40" pageNumber="41">
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<subSubSection pageId="40" pageNumber="41" type="nomenclature">
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<paragraph pageId="40" pageNumber="41">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:24C3A89D-99AE-4C39-B1DB-E028D9516826" class="Demospongiae" family="Ancorinidae" genus="Dercitus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dercitus (Stoeba) sibogae" order="Tetractinellida" pageId="40" pageNumber="41" phylum="Porifera" rank="species" species="sibogae" subGenus="Stoeba">Dercitus Stoeba sibogae</taxonomicName>
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<taxonomicNameLabel pageId="40" pageNumber="41">sp. n.</taxonomicNameLabel>
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Figs 22
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="40" pageNumber="41" type="material examined">
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<paragraph pageId="40" pageNumber="41">Material examined.</paragraph>
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<paragraph pageId="40" pageNumber="41">Holotype ZMA Por. 02220, Indonesia, Papua, 32 m, 1.7083°S; 130.7916°E, coll. Siboga Exped. Stat. 164, dredge, 20 August 1899.</paragraph>
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</subSubSection>
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<subSubSection pageId="40" pageNumber="41" type="description">
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<paragraph pageId="40" pageNumber="41">Description.</paragraph>
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<paragraph pageId="40" pageNumber="41">
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Thin leathery-rubbery encrustation (Fig. 22A) cementing coral rubble and filling crevices in coral material. Colour (alcohol) pale orange brown. Surface smooth, not encrusted, no oscules apparent; interiorly with a different more mushy texture. Size 2.5
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<normalizedToken originalValue="×2×">x2x</normalizedToken>
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0.5 cm.
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</paragraph>
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<paragraph pageId="40" pageNumber="41">Skeleton: an ectosomal crust of microscleres overlying a mixture of microscleres and dichocalthrops embedded in largely organic choanosome with relatively low spicule density.</paragraph>
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<paragraph pageId="40" pageNumber="41">Spicules: dichocalthrops, sanidasters and compressed fat sanidasters.</paragraph>
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<paragraph pageId="40" pageNumber="41">
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Dichocalthrops (Fig. 22B) relatively small and delicate, with curved pointed deuterocladi; protocladi, rather uniform in length, more variable in thickness, 24
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<normalizedToken originalValue="–26.5–">-26.5-</normalizedToken>
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30
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<normalizedToken originalValue="×">x</normalizedToken>
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5
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<normalizedToken originalValue="–8.0–">-8.0-</normalizedToken>
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11
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; deuterocladi variable in length, 12
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<normalizedToken originalValue="–26.1–">-26.1-</normalizedToken>
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39
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<normalizedToken originalValue="×">x</normalizedToken>
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3
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<normalizedToken originalValue="–5.6–">-5.6-</normalizedToken>
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9
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; rhabd short and pointed, 36-75
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<normalizedToken originalValue="×">x</normalizedToken>
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6-9
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; cladome 75
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<normalizedToken originalValue="–101.1–">-101.1-</normalizedToken>
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144
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<normalizedToken originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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<paragraph pageId="40" pageNumber="41">
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Sanidasters in two categories, long-and-thin (Fig. 22C) and short-compressed (Fig. 22D); the latter are ovoid, not compressed to the extent that they form asters. Thin sanidasters, 12
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<normalizedToken originalValue="–13.9–">-13.9-</normalizedToken>
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16
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<normalizedToken originalValue="×">x</normalizedToken>
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1.5
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<normalizedToken originalValue="–2.05–">-2.05-</normalizedToken>
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3
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, short-compressed sanidasters 7
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<normalizedToken originalValue="–11.0–">-11.0-</normalizedToken>
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13
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<normalizedToken originalValue="×">x</normalizedToken>
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4.5
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<normalizedToken originalValue="–5.6–">-5.6-</normalizedToken>
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7.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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<caption pageId="40" pageNumber="41">
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<paragraph pageId="40" pageNumber="41">
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Figure 22.
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<taxonomicName class="Demospongiae" family="Ancorinidae" genus="Dercitus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dercitus (Halinastra) sibogae" order="Tetractinellida" pageId="40" pageNumber="41" phylum="Porifera" rank="species" species="sibogae" subGenus="Halinastra">Dercitus (Halinastra) sibogae</taxonomicName>
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sp. n., holotype ZMA Por. 02220, from Indonesia, Papua, A habit B various dichocalthrops C sanidasters D compressed sanidasters.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="40" pageNumber="41" type="etymology">
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<paragraph pageId="40" pageNumber="41">Etymology.</paragraph>
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<paragraph pageId="40" pageNumber="41">
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Named after the Dutch naval vessel HMS
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<normalizedToken originalValue="‘Siboga’">'Siboga'</normalizedToken>
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which was instrumental to the 1899-1900 collection of a rich deep sea fauna from South East Asian waters.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="40" pageNumber="41" type="habitat">
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<paragraph pageId="40" pageNumber="41">Habitat.</paragraph>
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<paragraph pageId="40" pageNumber="41">Dredged from a sandy bottom with small limestone rubble and shells.</paragraph>
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</subSubSection>
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<subSubSection pageId="40" pageNumber="41" type="distribution">
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<paragraph pageId="40" pageNumber="41">Distribution.</paragraph>
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<paragraph pageId="40" pageNumber="41">Known only from the type locality in Eastern Indonesia.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="41" lastPageNumber="42" pageId="40" pageNumber="41" type="remarks">
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<paragraph pageId="40" pageNumber="41">Remarks.</paragraph>
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<paragraph lastPageId="41" lastPageNumber="42" pageId="40" pageNumber="41">
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The present specimen was identified by Maurice Burton (who provisionally identified a large part of the Siboga sponge collection) as
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<taxonomicName class="Demospongiae" family="Ancorinidae" genus="Stoeba" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stoeba extensa" order="Tetractinellida" pageId="40" pageNumber="41" phylum="Porifera" rank="species" species="extensa">Stoeba extensa</taxonomicName>
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, but habit and colour differ from that of
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<normalizedToken originalValue="Dendy’s">Dendy's</normalizedToken>
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species, whereas the spicules are significantly smaller.
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<taxonomicName class="Demospongiae" family="Ancorinidae" genus="Stoeba" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stoeba extensa" order="Tetractinellida" pageId="40" pageNumber="41" phylum="Porifera" rank="species" species="extensa">Stoeba extensa</taxonomicName>
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has a dense mass of dichocalthrops but also calthrops which are absent from the present new species. The density of megascleres is also much different. The dichocalthrops appear similar to those of
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<taxonomicName class="Demospongiae" family="Ancorinidae" genus="Dercitus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dercitus (Stoeba) occultus" order="Tetractinellida" pageId="40" pageNumber="41" phylum="Porifera" rank="species" species="occultus" subGenus="Stoeba">Dercitus (Stoeba) occultus</taxonomicName>
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(see above), and also the colour matches. However, that species has an endolithic growth form and the sanidasters are apparently not divisable in two shapes. The membership of
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<taxonomicName class="Demospongiae" family="Ancorinidae" genus="Halinastra" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Halinastra" order="Tetractinellida" pageId="40" pageNumber="41" phylum="Porifera" rank="genus">Halinastra</taxonomicName>
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of this species rests on the differentiation of the sanidasters into two shapes, but proper
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<pageBreakToken pageId="41" pageNumber="42" start="start">pseudasters</pageBreakToken>
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are not found. If the spicular variation of
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<taxonomicName class="Demospongiae" family="Ancorinidae" genus="Dercitus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dercitus (Stoeba) occultus" order="Tetractinellida" pageId="41" pageNumber="42" phylum="Porifera" rank="species" species="occultus" subGenus="Stoeba">Dercitus (Stoeba) occultus</taxonomicName>
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and
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<taxonomicName class="Demospongiae" family="Ancorinidae" genus="Dercitus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dercitus (Halinastra) sibogae" order="Tetractinellida" pageId="41" pageNumber="42" phylum="Porifera" rank="species" species="sibogae" subGenus="Halinastra">Dercitus (Halinastra) sibogae</taxonomicName>
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sp. n. will be demonstrated to overlap in a future study it might turn out the two are conspecific, but for the time being the emphasis is put on the differences.
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</paragraph>
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<subSection pageId="41" pageNumber="42" type="nominal dercitus and stoeba species excluded from the genus">
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<paragraph pageId="41" pageNumber="42">Nominal Dercitus and Stoeba species excluded from the genus</paragraph>
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</subSection>
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</subSubSection>
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</treatment>
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</document> |