155 lines
13 KiB
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155 lines
13 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.136.1626" ID-GBIF-Dataset="492a66a4-2655-4d2a-8a4d-8fadc4dfa87e" ID-PMC="PMC3229285" ID-Pensoft-Pub="1313-2970-136-13" ID-PubMed="22140345" ModsDocAuthor="" ModsDocDate="2011" ModsDocID="1313-2970-136-13" ModsDocOrigin="ZooKeys 136" ModsDocTitle="A new genus and species of deep-sea glass sponge (Porifera, Hexactinellida, Aulocalycidae) from the Indian Ocean" checkinTime="1451249791917" checkinUser="pensoft" docAuthor="Sautya, Sabyasachi, Tabachnick, Konstantin R. & Ingole, Baban" docDate="2011" docId="7DD4DCC0D10A6156B66F944746BAE7F6" docLanguage="en" docName="ZooKeys 136: 13-21" docOrigin="ZooKeys 136" docSource="http://dx.doi.org/10.3897/zookeys.136.1626" docTitle="Indiella Sautya, Tabachnick & Ingole, 2011, gen. n." docType="treatment" docVersion="4" lastPageNumber="15" masterDocId="FFE1BB07FFE4137C2D015728FFB8AF72" masterDocTitle="A new genus and species of deep-sea glass sponge (Porifera, Hexactinellida, Aulocalycidae) from the Indian Ocean" masterLastPageNumber="21" masterPageNumber="13" pageNumber="14" updateTime="1668152372974" 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>A new genus and species of deep-sea glass sponge (Porifera, Hexactinellida, Aulocalycidae) from the Indian Ocean</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>Sautya, Sabyasachi</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>Tabachnick, Konstantin R.</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>Ingole, Baban</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>2011</mods:date>
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<mods:detail type="volume">
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<mods:number>136</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>13</mods:start>
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<mods:end>21</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.136.1626</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.136.1626</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-136-13</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152031389" LSID="urn:lsid:zoobank.org:act:DDD70A14-F35A-4F19-99A1-B58720834CF5" httpUri="http://treatment.plazi.org/id/7DD4DCC0D10A6156B66F944746BAE7F6" lastPageId="2" lastPageNumber="15" pageId="1" pageNumber="14">
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<subSubSection pageId="1" pageNumber="14" type="nomenclature">
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<paragraph pageId="1" pageNumber="14">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:DDD70A14-F35A-4F19-99A1-B58720834CF5" class="Hexactinellida" family="Aulocalycidae" genus="Indiella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Indiella" order="Lyssacinosida" pageId="1" pageNumber="14" phylum="Porifera" rank="genus">Indiella</taxonomicName>
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<taxonomicNameLabel pageId="1" pageNumber="14">gen. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="2" lastPageNumber="15" pageId="1" pageNumber="14" type="diagnosis">
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<paragraph pageId="1" pageNumber="14">Diagnosis.</paragraph>
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<paragraph lastPageId="2" lastPageNumber="15" pageId="1" pageNumber="14">
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Fan (or funnel)-like basiphytous sponge with thin walls and numerous epirhyses. Framework contains several layers of regular dictyonal strands (mainly from the atrial side) and irregular fused hexactinic spicules (which form a typical aulocal
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<pageBreakToken pageId="2" pageNumber="15" start="start">ycoid</pageBreakToken>
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skeleton) located among them and from the dermal side. Dermalia and atrialia are pentactins. Microscleres are discohexasters.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="15" type="etymology">
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<paragraph pageId="2" pageNumber="15">Etymology.</paragraph>
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<paragraph pageId="2" pageNumber="15">The name of the genus is derived from its place of collection and refers to the Indian Ocean.</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="15" type="definition">
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<paragraph pageId="2" pageNumber="15">Definition.</paragraph>
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<paragraph pageId="2" pageNumber="15">
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<taxonomicName family="Aulocalycidae" lsidName="" pageId="2" pageNumber="15" rank="family">Aulocalycidae</taxonomicName>
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with fan (or funnel)-like body, epirhyses, and several regular layers of dictyonal strands located mainly on the atrial side.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="15" type="remarks">
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<paragraph pageId="2" pageNumber="15">Remarks.</paragraph>
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<paragraph pageId="2" pageNumber="15">
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It is likely that the body is rather fan-like than cup or funnel-like since the fragments are flat, thus the funnel-like body shape should be of a very large diameter. The original shape of the body is already known in
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<taxonomicName family="Aulocalycoidae" lsidName="" pageId="2" pageNumber="15" rank="family">Aulocalycoidae</taxonomicName>
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:
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<taxonomicName class="Hexactinellida" family="Aulocalycidae" genus="Leioplegma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leioplegma" order="Lyssacinosida" pageId="2" pageNumber="15" phylum="Porifera" rank="genus">Leioplegma</taxonomicName>
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Reiswig & Tsurumi, 1996, while wide funnels are unknown. Basiphytous type of fixation to likely hard substratum is suspected since all other representatives of the family have it. The taxonomic affiliation of genus
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<taxonomicName class="Hexactinellida" family="Aulocalycidae" genus="Cyathella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyathella" order="Lyssacinosida" pageId="2" pageNumber="15" phylum="Porifera" rank="genus">Cyathella</taxonomicName>
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(its attribution to the
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<taxonomicName genus="Aulocalycoida" lsidName="Aulocalycoida" pageId="2" pageNumber="15" rank="genus">Aulocalycoida</taxonomicName>
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,
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<taxonomicName family="Aulocalycidae" lsidName="" pageId="2" pageNumber="15" rank="family">Aulocalycidae</taxonomicName>
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with definition of a new subfamily
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<taxonomicName lsidName="" pageId="2" pageNumber="15" rank="subFamily" subFamily="Cyathellinae">Cyathellinae</taxonomicName>
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was made by
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<bibRefCitation pageId="2" pageNumber="15">Janussen and Reiswig 2003</bibRefCitation>
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), possessing a rhizophytous type of fixation is unique for recent hexactinellids with rigid skeleton.
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</paragraph>
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<paragraph pageId="2" pageNumber="15">
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The walls in the new genus are relatively thick (in comparison with other representatives of the family). Usually the aulocalycoid skeleton is composed of large hexactins located approximately in a single layer, their rays are distributed in a single plane (the distal one and proximal are bent), fusion takes place at points of mutual contact, so the wall thickness includes an only dictyonal layer. The regular dictional strands are observed in
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<taxonomicName class="Hexactinellida" family="Aulocalycidae" genus="Leioplegma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leioplegma" order="Lyssacinosida" pageId="2" pageNumber="15" phylum="Porifera" rank="genus">Leioplegma</taxonomicName>
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only, they are present as a single layer of parallel units longitudinally distributed, and irregular aulocalycoid skeleton is situated among them (
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<bibRefCitation author="Reiswig, HM" journalOrPublisher="Bulletin of Marine Science" pageId="5" pageNumber="18" pagination="764 - 774" title="A new genus and species of Aulocalycidae, Leioplegma polyphyllon, (Porifera: Hexactinellida) from the Blake Ridge off South Carolina, U. S. A." volume="58" year="1996">Reiswig and Tsurumi 1996</bibRefCitation>
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). The walls in
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<taxonomicName class="Hexactinellida" family="Aulocalycidae" genus="Euryplegma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euryplegma" order="Lyssacinosida" pageId="2" pageNumber="15" phylum="Porifera" rank="genus">Euryplegma</taxonomicName>
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appear to be very complicated and their construction has no equivalent interpretation (
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<bibRefCitation author="Tabachnick, KR" journalOrPublisher="Memoires du Museum national d'Histoire naturelle (A, Zoologie)" pageId="5" pageNumber="18" pagination="39 - 52" title="Porifera Hexactinellida: On Euryplegma auriculare Schulze, 1886, and formation of a new order." volume="184" year="2000">Tabachnick and Reiswig 2000</bibRefCitation>
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).
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<taxonomicName class="Hexactinellida" family="Aulocalycidae" genus="Cyathella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyathella" order="Lyssacinosida" pageId="2" pageNumber="15" phylum="Porifera" rank="genus">Cyathella</taxonomicName>
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has similar framework construction with several layers of dictyonal strands, but it has no channels and likely no loose spicules.
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</paragraph>
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<paragraph pageId="2" pageNumber="15">
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The presence of epirhyses type of channelization is unique for the family. It is known in
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<taxonomicName family="Euretidae" lsidName="" pageId="2" pageNumber="15" rank="family">Euretidae</taxonomicName>
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(
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<taxonomicName genus="Hexactinosida" lsidName="Hexactinosida" pageId="2" pageNumber="15" rank="genus">Hexactinosida</taxonomicName>
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), for instance, in
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<taxonomicName class="Hexactinellida" family="Euretidae" genus="Chonelasma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chonelasma" order="Sceptrulophora" pageId="2" pageNumber="15" phylum="Porifera" rank="genus">Chonelasma</taxonomicName>
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(Reiswig & Wheeler, 2002). Among the other types of channelization in
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<taxonomicName family="Aulocalycoidae" lsidName="" pageId="2" pageNumber="15" rank="family">Aulocalycoidae</taxonomicName>
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, only schizorhyses-like ones are known in
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<taxonomicName class="Hexactinellida" family="Aulocalycidae" genus="Euryplegma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Euryplegma" order="Lyssacinosida" pageId="2" pageNumber="15" phylum="Porifera" rank="genus">Euryplegma</taxonomicName>
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, meantime as in the case with complicated wall construction, they may be intercavaedia-like constructions between the atrial cavity and numerous small lateral oscula (
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<bibRefCitation author="Tabachnick, KR" journalOrPublisher="Memoires du Museum national d'Histoire naturelle (A, Zoologie)" pageId="5" pageNumber="18" pagination="39 - 52" title="Porifera Hexactinellida: On Euryplegma auriculare Schulze, 1886, and formation of a new order." volume="184" year="2000">Tabachnick and Reiswig 2000</bibRefCitation>
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).
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</paragraph>
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<paragraph pageId="2" pageNumber="15">
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The loose spicules are typical for the family where few species possess scepters and uncinates. A more simplified spicule set is observed in
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<taxonomicName class="Hexactinellida" family="Aphrocallistidae" genus="Heterochone" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Heterochone" order="Sceptrulophora" pageId="2" pageNumber="15" phylum="Porifera" rank="genus">Heterochone</taxonomicName>
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(
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<taxonomicName genus="Hexactinosida" lsidName="Hexactinosida" pageId="2" pageNumber="15" rank="genus">Hexactinosida</taxonomicName>
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:
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<taxonomicName family="Euretidae" lsidName="" pageId="2" pageNumber="15" rank="family">Euretidae</taxonomicName>
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), which has no loose spicules other then discohexasters (
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<bibRefCitation pageId="2" pageNumber="15">Reiswig and Wheeler 2002</bibRefCitation>
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).
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</paragraph>
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<paragraph pageId="2" pageNumber="15">
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The situation with aulocalycoid, paraulocalycoid and skeleton of
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<taxonomicName class="Hexactinellida" family="Aulocalycidae" genus="Cyathella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyathella" order="Lyssacinosida" pageId="2" pageNumber="15" phylum="Porifera" rank="genus">Cyathella</taxonomicName>
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-like construction (
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<bibRefCitation pageId="2" pageNumber="15">Reiswig 2002</bibRefCitation>
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;
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<bibRefCitation pageId="2" pageNumber="15">Janussen and Reiswig 2003</bibRefCitation>
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) is becoming more complicated after finding in the dictional strands of
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<taxonomicName class="Hexactinellida" family="Farreidae" genus="Farrea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Farrea" order="Sceptrulophora" pageId="2" pageNumber="15" phylum="Porifera" rank="genus">Farrea</taxonomicName>
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numerous axial canals (Reiswig 2004), thus the definition of
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<taxonomicName family="Aulocalycidae" lsidName="" pageId="2" pageNumber="15" rank="family">Aulocalycidae</taxonomicName>
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into subfamilies seems to be poorly established and the new genus is regarded as a representative of
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<taxonomicName family="Aulocalycidae" lsidName="" pageId="2" pageNumber="15" rank="family">Aulocalycidae</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="15" type="type species">
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<paragraph pageId="2" pageNumber="15">Type species.</paragraph>
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<paragraph pageId="2" pageNumber="15">
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<taxonomicName class="Hexactinellida" family="Aulocalycidae" genus="Indiella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Indiella ridgenensis" order="Lyssacinosida" pageId="2" pageNumber="15" phylum="Porifera" rank="species" species="ridgenensis">Indiella ridgenensis</taxonomicName>
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sp.n.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |