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<document id="CF76FA373A80F5E10B43402DEF885E9F" ID-DOI="10.5281/zenodo.5392175" ID-ISSN="1638-9387" ID-Zenodo-Dep="5392175" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630316196429" checkinUser="marcus" docAuthor="Borojevic, Radovan, Boury-Esnault, Nicole &amp; Vacelet, Jean" docDate="2000" docId="B2494E1BFF9FB26DF493FF1DFD92A05C" docLanguage="en" docName="Zoosystema.2000.22.2.203-263.pdf" docOrigin="Zoosystema 22 (2)" docStyle="DocumentStyle:2A9C6F9EA5F90D98170D9E0D9CA29375.4:Zoosystema.2000-2008.journal_article.type1" docStyleId="2A9C6F9EA5F90D98170D9E0D9CA29375" docStyleName="Zoosystema.2000-2008.journal_article.type1" docStyleVersion="4" docTitle="Leucilla Haeckel 1872" docType="treatment" docVersion="4" lastPageNumber="239" masterDocId="4E703663FFBBB249F449FFCCFFE4A50A" masterDocTitle="A revision of the supraspecific classification of the subclass Calcaronea (Porifera, class Calcarea)" masterLastPageNumber="263" masterPageNumber="203" pageNumber="239" updateTime="1699223765294" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="040D50BB36142D18DCDE99AFFCBF8156">A revision of the supraspecific classification of the subclass Calcaronea (Porifera, class Calcarea)</mods:title>
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<mods:name id="0A53CFF19D436D56424EEC57B071F7E2" type="personal">
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<mods:namePart id="6A58042795B3ABB763341917EA6B0459">Borojevic, Radovan</mods:namePart>
<mods:affiliation id="1B91CD8505D8D363750B500F2D30006B">Departamento de Histologia e Embriologia, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Caixa Postal 68021, 21941 - 970 Rio de Janeiro (Brazil) radovan @ iq. ufrj. br</mods:affiliation>
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<mods:namePart id="BFDF3DE96CBFC8B53AEE36E51523C213">Boury-Esnault, Nicole</mods:namePart>
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<mods:namePart id="F46E9A6BB6DB02B008364669CF0AEFEE">Vacelet, Jean</mods:namePart>
<mods:affiliation id="74D926F8ACCD7BAF04BC536E2F27888E">Centre dOcéanologie de Marseille (CNRS-Université de la Méditerranée, UMR 6540 DIMAR), Station marine dEndoume, F- 13007 Marseille (France) esnault @ com. univ-mrs. fr jvacelet @ com. univ-mrs. fr</mods:affiliation>
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<mods:title id="61A82571704C40DCC4D9D5438D633DB4">Zoosystema</mods:title>
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<mods:date id="7634C64EDF5C7550AAA56B6DBC68A364">2000</mods:date>
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<treatment id="B2494E1BFF9FB26DF493FF1DFD92A05C" ID-DOI="http://doi.org/10.5281/zenodo.5468378" ID-Zenodo-Dep="5468378" LSID="urn:lsid:plazi:treatment:B2494E1BFF9FB26DF493FF1DFD92A05C" httpUri="http://treatment.plazi.org/id/B2494E1BFF9FB26DF493FF1DFD92A05C" lastPageNumber="239" pageId="36" pageNumber="239">
<subSubSection id="72FAAC86FF9FB26DF493FF1DFDFAA5E1" box="[218,542,209,235]" pageId="36" pageNumber="239" type="nomenclature">
<paragraph id="3A5FFF0DFF9FB26DF493FF1DFDFAA5E1" blockId="36.[218,542,209,235]" box="[218,542,209,235]" pageId="36" pageNumber="239">
<heading id="61174861FF9FB26DF493FF1DFDFAA5E1" box="[218,542,209,235]" centered="true" fontSize="11" level="2" pageId="36" pageNumber="239" reason="2">
Genus
<taxonomicName id="FDE0848EFF9FB26DF56EFF1DFDFAA5E1" ID-CoL="84PNN" authority="Haeckel, 1872" authorityName="Haeckel" authorityYear="1872" box="[295,542,209,235]" class="Calcarea" family="Amphoriscidae" genus="Leucilla" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="genus">
<emphasis id="0894231FFF9FB26DF56EFF1DFE9DA5E1" box="[295,377,209,235]" italics="true" pageId="36" pageNumber="239">Leucilla</emphasis>
Haeckel, 1872
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="72FAAC86FF9FB26DF43BFECBFDD9A433" pageId="36" pageNumber="239" type="materials_examined">
<paragraph id="3A5FFF0DFF9FB26DF43BFECBFDD9A433" blockId="36.[114,647,263,481]" pageId="36" pageNumber="239">
<collectionCode id="5CF167C8FF9FB26DF43BFECBFF17A417" box="[114,243,263,286]" pageId="36" pageNumber="239">
<typeStatus id="E55B41AFFF9FB26DF43BFECBFF47A417" box="[114,163,263,286]" pageId="36" pageNumber="239">TYPE</typeStatus>
SPECIES
</collectionCode>
. —
<taxonomicName id="FDE0848EFF9FB26DF56DFEC4FD82A42A" authority="Haeckel, 1872" authorityName="Haeckel" authorityYear="1872" box="[292,614,264,288]" class="Calcarea" family="Amphoriscidae" genus="Leucilla" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="species" species="amphora">
<emphasis id="0894231FFF9FB26DF56DFEC4FE28A42A" box="[292,460,264,288]" italics="true" pageId="36" pageNumber="239">Leucilla amphora</emphasis>
Haeckel, 1872
</taxonomicName>
by subsequent designation (Dendy &amp; Row 1913).
</paragraph>
</subSubSection>
<subSubSection id="72FAAC86FF9FB26DF43BFE85FDB3A4EB" pageId="36" pageNumber="239" type="diagnosis">
<paragraph id="3A5FFF0DFF9FB26DF43BFE85FDB3A4EB" blockId="36.[114,647,263,481]" pageId="36" pageNumber="239">
DIAGNOSIS. —
<taxonomicName id="FDE0848EFF9FB26DF545FE86FE7BA468" authorityName="Dendy" authorityYear="1892" box="[268,415,330,354]" class="Calcarea" family="Amphoriscidae" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="family">Amphoriscidae</taxonomicName>
with a sylleibid or leuconoid organization. The choanoskeleton is formed primarily by the apical actines of giant cortical triactines and the unpaired actines of subatrial triactines or tetractines. It may contain dispersed spicules, but a typical articulate choanoskeleton is always absent.
</paragraph>
</subSubSection>
<subSubSection id="72FAAC86FF9FB26DF43BFDD2FD92A05C" pageId="36" pageNumber="239" type="description">
<paragraph id="3A5FFF0DFF9FB26DF43BFDD2FEE6A73C" blockId="36.[114,647,542,1367]" box="[114,258,542,568]" pageId="36" pageNumber="239">DESCRIPTION</paragraph>
<paragraph id="3A5FFF0DFF9FB26DF43BFDF2FE42A12E" blockId="36.[114,647,542,1367]" pageId="36" pageNumber="239">
The genus
<taxonomicName id="FDE0848EFF9FB26DF4A4FDF2FEDBA752" authorityName="Haeckel" authorityYear="1872" box="[237,319,574,600]" class="Calcarea" family="Amphoriscidae" genus="Leucilla" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="genus">
<emphasis id="0894231FFF9FB26DF4A4FDF2FEDBA752" box="[237,319,574,600]" italics="true" pageId="36" pageNumber="239">Leucilla</emphasis>
</taxonomicName>
is quite close to
<emphasis id="0894231FFF9FB26DF5B7FDF2FD63A752" box="[510,647,574,600]" italics="true" pageId="36" pageNumber="239">
<taxonomicName id="FDE0848EFF9FB26DF5B7FDF2FD66A752" authorityName="Haeckel" authorityYear="1870" box="[510,642,574,600]" class="Calcarea" family="Amphoriscidae" genus="Amphoriscus" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="genus">Amphoriscus</taxonomicName>
,
</emphasis>
and most species have a sylleibid aquiferous system. The simple species of
<taxonomicName id="FDE0848EFF9FB26DF588FDB7FDFAA79F" authorityName="Haeckel" authorityYear="1872" box="[449,542,635,661]" class="Calcarea" family="Amphoriscidae" genus="Leucilla" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="genus">
<emphasis id="0894231FFF9FB26DF588FDB7FDFAA79F" box="[449,542,635,661]" italics="true" pageId="36" pageNumber="239">Leucilla</emphasis>
</taxonomicName>
, such as
<taxonomicName id="FDE0848EFF9FB26DF43BFD55FE41A7BE" authority="Haeckel, 1872" authorityName="Haeckel" authorityYear="1872" box="[114,421,665,692]" class="Calcarea" family="Amphoriscidae" genus="Leucilla" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="species" species="amphora">
<emphasis id="0894231FFF9FB26DF43BFD55FF15A7BE" box="[114,241,665,692]" italics="true" pageId="36" pageNumber="239">L. amphora</emphasis>
Haeckel, 1872
</taxonomicName>
, always have a thin sponge wall and an inarticulate choanoskeleton, which is reduced to the apical actines of cortical tetractines and to the unpaired actines of subatrial triactines or tetractines (
<figureCitation id="A2DBE388FF9FB26DF5DAFCD9FE01A625" box="[403,485,789,815]" captionStart="FIG" captionStartId="36.[678,689,940,957]" captionTargetBox="[675,1200,225,905]" captionTargetId="figure-552@36.[655,1209,220,910]" captionTargetPageId="36" captionText="FIG. 34. — Diagram of a transverse section through the wall of Leucilla. Abbreviations: a, atrium; as, atrial skeleton; ss, subatrial spicule; st, subcortical tetractines; cx, cortex." figureDoi="http://doi.org/10.5281/zenodo.5392229" httpUri="https://zenodo.org/record/5392229/files/figure.png" pageId="36" pageNumber="239">Fig. 34</figureCitation>
). In specimens of
<taxonomicName id="FDE0848EFF9FB26DF4C6FCFFFF05A647" authorityName="Haeckel" authorityYear="1872" box="[143,225,819,845]" class="Calcarea" family="Amphoriscidae" genus="Leucilla" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="genus">
<emphasis id="0894231FFF9FB26DF4C6FCFFFF05A647" box="[143,225,819,845]" italics="true" pageId="36" pageNumber="239">Leucilla</emphasis>
</taxonomicName>
that build a thicker wall, scattered triactines or tetractines can be found in the choanosome, but they clearly derive from the cortical or the subatrial skeleton. There is no primary choanoskeleton derived from radially arranged spicules, and
<taxonomicName id="FDE0848EFF9FB26DF55CFC01FE2FA6ED" box="[277,459,973,999]" class="Calcarea" family="Amphoriscidae" genus="Leucilla" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="species" species="undetermined">
<emphasis id="0894231FFF9FB26DF55CFC01FE94A6ED" box="[277,368,973,999]" italics="true" pageId="36" pageNumber="239">Leucilla</emphasis>
species
</taxonomicName>
have never any structures reminiscent of the articulate arrangement of the choanoskeleton.
</paragraph>
<caption id="6E9FAF85FF9FB26DF6EFFC60FBD3A6E2" ID-DOI="http://doi.org/10.5281/zenodo.5392229" ID-Zenodo-Dep="5392229" httpUri="https://zenodo.org/record/5392229/files/figure.png" pageId="36" pageNumber="239" startId="36.[678,689,940,957]" targetBox="[675,1200,225,905]" targetPageId="36">
<paragraph id="3A5FFF0DFF9FB26DF6EFFC60FBD3A6E2" blockId="36.[678,1210,940,1000]" pageId="36" pageNumber="239">
FIG. 34. — Diagram of a transverse section through the wall of
<taxonomicName id="FDE0848EFF9FB26DF6EFFC0DFD01A6D8" authorityName="Haeckel" authorityYear="1872" box="[678,741,961,978]" class="Calcarea" family="Amphoriscidae" genus="Leucilla" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="genus">
<emphasis id="0894231FFF9FB26DF6EFFC0DFD01A6D8" box="[678,741,961,978]" italics="true" pageId="36" pageNumber="239">Leucilla</emphasis>
</taxonomicName>
. Abbreviations:
<emphasis id="0894231FFF9FB26DF722FC0DFC92A6D8" bold="true" box="[875,886,961,978]" pageId="36" pageNumber="239">a</emphasis>
, atrium;
<emphasis id="0894231FFF9FB26DF7F6FC0DFC30A6D8" bold="true" box="[959,980,961,978]" pageId="36" pageNumber="239">as</emphasis>
, atrial skeleton;
<emphasis id="0894231FFF9FB26DF015FC0DFB94A6D8" bold="true" box="[1116,1136,961,978]" pageId="36" pageNumber="239">ss</emphasis>
, subatrial spicule;
<emphasis id="0894231FFF9FB26DF6B6FC1BFCF4A6E2" bold="true" box="[767,784,983,1000]" pageId="36" pageNumber="239">st</emphasis>
, subcortical tetractines;
<emphasis id="0894231FFF9FB26DF794FC1BFC16A6E2" bold="true" box="[989,1010,983,1000]" pageId="36" pageNumber="239">cx</emphasis>
, cortex.
</paragraph>
</caption>
<paragraph id="3A5FFF0DFF9FB26DF43BFBE5FD92A05C" blockId="36.[114,647,542,1367]" pageId="36" pageNumber="239">
A group of sponges that have the organization typical of
<emphasis id="0894231FFF9FB26DF4ACFB8BFEBAA16B" box="[229,350,1095,1121]" italics="true" pageId="36" pageNumber="239">
<taxonomicName id="FDE0848EFF9FB26DF4ACFB8BFEBDA16B" authorityName="Haeckel" authorityYear="1872" box="[229,345,1095,1121]" class="Calcarea" family="Grantiidae" genus="Leucandra" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="genus">Leucandra</taxonomicName>
,
</emphasis>
has been described under the genus
<emphasis id="0894231FFF9FB26DF496FBAAFEDEA18A" box="[223,314,1126,1152]" italics="true" pageId="36" pageNumber="239">
<taxonomicName id="FDE0848EFF9FB26DF496FBAAFED1A18A" authorityName="Haeckel" authorityYear="1872" box="[223,309,1126,1152]" class="Calcarea" family="Amphoriscidae" genus="Leucilla" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="genus">Leucilla</taxonomicName>
.
</emphasis>
Tetractines are present in their cortical skeleton, but their apical actines do not represent the main support of the choanoskeleton, which is typically articulate and clearly reminiscent of a grantiid organization with many rows of choanosomal triactines. Dendy &amp; Row (1913) placed them in the genus
<taxonomicName id="FDE0848EFF9FB26DF5C4FAD2FE1EA032" authorityName="Haeckel" authorityYear="1872" box="[397,506,1310,1336]" class="Calcarea" family="Grantiidae" genus="Leucandra" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="genus">
<emphasis id="0894231FFF9FB26DF5C4FAD2FE1EA032" box="[397,506,1310,1336]" italics="true" pageId="36" pageNumber="239">Leucandra</emphasis>
</taxonomicName>
and we now include these sponges in the genus
<taxonomicName id="FDE0848EFF9FB26DF5A2FAF1FD8BA05D" authorityName="Borojevic &amp; Boury-Esnault &amp; Vacelet" authorityYear="2000" box="[491,623,1341,1367]" class="Calcarea" family="Grantiidae" genus="Leucandrilla" kingdom="Animalia" order="Leucosolenida" pageId="36" pageNumber="239" phylum="Porifera" rank="genus">
<emphasis id="0894231FFF9FB26DF5A2FAF1FD8BA05D" box="[491,623,1341,1367]" italics="true" pageId="36" pageNumber="239">Leucandrilla</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>