211 lines
27 KiB
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211 lines
27 KiB
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<document id="F092268331CF60FF2F49405A49E68038" ID-DOI="10.5281/zenodo.5399797" ID-ISSN="1638-9387" ID-Zenodo-Dep="5399797" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630332745144" checkinUser="marcus" docAuthor="Monniot, Françoise & Monniot, Claude" docDate="2006" docId="F11D0437FFA44B15FF3B879BE12AFCAB" docLanguage="fr" docName="Zoosystema.2006.28.1.113-156.pdf" docOrigin="Zoosystema 28 (1)" docStyle="DocumentStyle:2A9C6F9EA5F90D98170D9E0D9CA29375.4:Zoosystema.2000-2008.journal_article.type1" docStyleId="2A9C6F9EA5F90D98170D9E0D9CA29375" docStyleName="Zoosystema.2000-2008.journal_article.type1" docStyleVersion="4" docTitle="Polyclinum lagena Monniot & Monniot 2006, n. sp." docType="treatment" docVersion="3" lastPageNumber="123" masterDocId="0D247C4FFFAD4B1FFFC38251E238FFA7" masterDocTitle="Ascidies (Polyclinidae, Pseudodistomidae et Polycitoridae) de l’ouest de l’océan Indien" masterLastPageNumber="156" masterPageNumber="113" pageNumber="122" updateTime="1699231481374" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo id="3FFF18A0F370D99E9D5F31FC4CE301F1">
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<mods:title id="B9CDF2892FB93F5219A940E028083539">Ascidies (Polyclinidae, Pseudodistomidae et Polycitoridae) de l’ouest de l’océan Indien</mods:title>
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</mods:titleInfo>
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<mods:name id="B30CF1006E0C431D495FDECD7136B2DD" type="personal">
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<mods:roleTerm id="A945D955555050B3A384D164558AC8A0">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="B7375AE5E3DD92D680B9C07BB9B660F8">Monniot, Françoise</mods:namePart>
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</mods:name>
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<mods:name id="A31B903A1FE26C74EC0663BBB2A668CB" type="personal">
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<mods:roleTerm id="19102A3415E6BF23551D212B43A89A68">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="461685F7A0FC958875F2F87749E242F5">Monniot, Claude</mods:namePart>
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<mods:affiliation id="BA8D4B7E49C70EF3E2DFDA7978C609CB">Muséum national d’Histoire naturelle, Département Milieux et Peuplements aquatiques, case postale 51, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) monniot @ mnhn. fr</mods:affiliation>
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<mods:nameIdentifier id="2C5938C64FD34130171E873C02ABC502" type="email">monniot@mnhn.fr</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource id="4554B7B094431A434A0C18F79D97938F">text</mods:typeOfResource>
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<mods:relatedItem id="AD3BD9FD2F4334231E9344CC68C748BA" type="host">
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<mods:titleInfo id="669C543BECBC534E4EB6DDB85BD9CBC6">
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<mods:title id="8BC0CD721A094A92EE893325347722AD">Zoosystema</mods:title>
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</mods:titleInfo>
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<mods:part id="56D0FAAFB6CC21C563D2D9E0C3C3F662">
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<mods:date id="C6CB06C58B2EA844BA0ACB70B0F51E01">2006</mods:date>
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<mods:detail id="20EFB7E2DE1F0F6D8CA78CFB42D025CE" type="volume">
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<mods:number id="04B59DCA8664C4865BB23C4685F0D605">28</mods:number>
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</mods:detail>
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<mods:detail id="C69254E1D98D84A3C12DF673321A74BE" type="issue">
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<mods:number id="4C0193478C1E908FA7D8098E0501DD7C">1</mods:number>
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</mods:detail>
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<mods:extent id="B19946BBEE7EF9D7563EC714E532902C" unit="page">
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<mods:start id="9A398306127C3D57DB229AED04238896">113</mods:start>
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<mods:end id="2476621C4D8AC3062ABF3FA5627E0696">156</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:classification id="29EF403E3BE865E1066D85C68E3A6EA2">journal article</mods:classification>
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<mods:identifier id="9A21EFC0E166DA179A9A299A2E181163" type="DOI">10.5281/zenodo.5399797</mods:identifier>
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<mods:identifier id="78E1994CC487A2FA99299FD6F28EF873" type="ISSN">1638-9387</mods:identifier>
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<mods:identifier id="46ABFEB6E90F4D3878AD96D1D037CD83" type="Zenodo-Dep">5399797</mods:identifier>
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</mods:mods>
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<treatment id="F11D0437FFA44B15FF3B879BE12AFCAB" LSID="urn:lsid:plazi:treatment:F11D0437FFA44B15FF3B879BE12AFCAB" httpUri="http://treatment.plazi.org/id/F11D0437FFA44B15FF3B879BE12AFCAB" lastPageId="10" lastPageNumber="123" pageId="9" pageNumber="122">
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<subSubSection id="31AEE6AAFFA44B16FF3B879BE038FA41" box="[248,512,1482,1510]" pageId="9" pageNumber="122" type="nomenclature">
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<paragraph id="790BB521FFA44B16FF3B879BE038FA41" blockId="9.[248,512,1482,1541]" box="[248,512,1482,1510]" pageId="9" pageNumber="122">
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<heading id="2243024DFFA44B16FF3B879BE038FA41" box="[248,512,1482,1510]" centered="true" fontSize="11" level="2" pageId="9" pageNumber="122" reason="2">
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<taxonomicName id="BEB4CEA2FFA44B16FF3B879BE386FA42" ID-CoL="4L4JR" authority="Monniot & Monniot, 2006" authorityName="Monniot & Monniot" authorityYear="2006" box="[248,446,1482,1509]" class="Ascidiacea" family="Polyclinidae" genus="Polyclinum" kingdom="Animalia" order="Aplousobranchia" pageId="9" pageNumber="122" phylum="Chordata" rank="species" species="lagena" status="sp. nov.">
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<emphasis id="4BC06933FFA44B16FF3B879BE386FA42" bold="true" box="[248,446,1482,1509]" italics="true" pageId="9" pageNumber="122">Polyclinum lagena</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="50F3D448FFA44B16FE06879DE038FA41" box="[453,512,1484,1510]" pageId="9" pageNumber="122" rank="species">n. sp.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="31AEE6AAFFA44B16FEF087BAE3FDF9A2" box="[307,453,1514,1541]" pageId="9" pageNumber="122" type="description">
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<paragraph id="790BB521FFA44B16FEF087BAE3FDF9A2" blockId="9.[248,512,1482,1541]" box="[307,453,1514,1541]" pageId="9" pageNumber="122">
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(
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<figureCitation id="E18FA9A4FFA44B16FEF887BAE344F9A2" box="[315,380,1515,1541]" captionStart="FIG" captionStartId="9.[113,124,1088,1105]" captionTargetBox="[176,1149,237,1042]" captionTargetId="figure-20@9.[124,1198,201,1090]" captionTargetPageId="9" captionText="FIG. 6. — Polyclinum lagena n. sp.: A, thorax et abdomen d’un zoïde; B, abdomen et post-abdomen; C, larve. Échelles: A, B, 1 mm; C, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399811" httpUri="https://zenodo.org/record/5399811/files/figure.png" pageId="9" pageNumber="122">Figs 6</figureCitation>
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;
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<figureCitation id="E18FA9A4FFA44B16FE4D87BBE384F9A2" box="[398,444,1514,1541]" captionStart="FIG" captionStartId="37.[113,124,1657,1674]" captionTargetBox="[131,1189,219,1578]" captionTargetId="figure-21@37.[131,1189,218,1579]" captionTargetPageId="37" captionText="FIG. 25. — A, Polyclinum lagena n. sp.; B, Synoicum floriferum n. sp.(photo P.Laboute); C, Synoicum laboutei n. sp.(photo P.Laboute); D, Pseudodistoma citrinum n. sp. (photo P. Laboute)." figureDoi="http://doi.org/10.5281/zenodo.5399847" httpUri="https://zenodo.org/record/5399847/files/figure.png" pageId="9" pageNumber="122">25A</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="31AEE6AAFFA44B16FFB28476E66AFB48" pageId="9" pageNumber="122" type="materials_examined">
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<paragraph id="790BB521FFA44B16FFB28476E0B9F9FE" blockId="9.[113,646,1574,1625]" pageId="9" pageNumber="122">
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<materialsCitation id="C9DCBF7CFFA44B16FFB28476E0B9F9FE" collectingDate="1992-07-08" collectionCode="MNHN" collectorName="P. Laboute" country="Madagascar" elevation="28" location="Tany-Kely" pageId="9" pageNumber="122" specimenCode="A1" specimenCount="1" typeStatus="holotype">
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<typeStatus id="A60F0B83FFA44B16FFB28476E2E3F99A" box="[113,219,1575,1598]" pageId="9" pageNumber="122" type="holotype">HOLOTYPE</typeStatus>
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. —
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<emphasis id="4BC06933FFA44B16FEC68477E3B8F999" bold="true" box="[261,384,1574,1598]" pageId="9" pageNumber="122">
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<collectingCountry id="01A3F5B1FFA44B16FEC68477E343F999" box="[261,379,1574,1598]" name="Madagascar" pageId="9" pageNumber="122">Madagascar</collectingCountry>
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.
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</emphasis>
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Nosy-Be,
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<location id="7C6BE3FAFFA44B16FE228477E07EF999" LSID="urn:lsid:plazi:treatment:F11D0437FFA44B15FF3B879BE12AFCAB:7C6BE3FAFFA44B16FE228477E07EF999" box="[481,582,1574,1598]" country="Madagascar" name="Tany-Kely" pageId="9" pageNumber="122">Tany-Kely</location>
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,
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<quantity id="BE4C18C4FFA44B16FD8D8477E0BAF999" box="[590,642,1574,1598]" metricMagnitude="1" metricUnit="m" metricValue="2.8" pageId="9" pageNumber="122" unit="m" value="28.0">
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<elevation id="F2995212FFA44B16FD8D8477E0BAF999" box="[590,642,1574,1598]" metricMagnitude="1" metricUnit="m" metricValue="2.8" pageId="9" pageNumber="122" unit="m" value="28.0">28 m</elevation>
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</quantity>
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,
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<date id="0D0A93E1FFA44B16FFB28410E2DAF9FE" box="[113,226,1601,1625]" pageId="9" pageNumber="122" value="1992-07-08">
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<collectingDate id="1D4E6A09FFA44B16FFB28410E2DAF9FE" box="[113,226,1601,1625]" pageId="9" pageNumber="122" value="1992-07-08">8.VII.1992</collectingDate>
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</date>
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, coll.
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<collectorName id="D441D0F7FFA44B16FEDF8410E3BAF9FE" box="[284,386,1601,1625]" pageId="9" pageNumber="122">P. Laboute</collectorName>
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(
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<collectionCode id="1FA52DE4FFA44B16FE4C8410E3DBF9FE" box="[399,483,1601,1625]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="9" pageNumber="122">MNHN</collectionCode>
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<specimenCode id="29121D5AFFA44B16FE298410E03EF9FE" box="[490,518,1601,1625]" collectionCode="MNHN" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="9" pageNumber="122">A1</specimenCode>
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POL B 83).
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</materialsCitation>
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</paragraph>
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<paragraph id="790BB521FFA44B16FFB28423E0BFF904" blockId="9.[113,647,1649,1699]" pageId="9" pageNumber="122">
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<collectionCode id="1FA52DE4FFA44B16FFB28423E340F92F" box="[113,376,1650,1674]" pageId="9" pageNumber="122">AUTRE MATÉRIEL EXAMINÉ</collectionCode>
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. —
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<emphasis id="4BC06933FFA44B16FE648420E01BF92E" bold="true" box="[423,547,1649,1673]" pageId="9" pageNumber="122">
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<collectingCountry id="01A3F5B1FFA44B16FE648420E018F92E" box="[423,544,1649,1673]" name="Madagascar" pageId="9" pageNumber="122">Madagascar</collectingCountry>
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.
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</emphasis>
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Nosy-Be,
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<quantity id="BE4C18C4FFA44B16FFB284DAE29DF905" box="[113,165,1675,1699]" metricMagnitude="1" metricUnit="m" metricValue="2.7" pageId="9" pageNumber="122" unit="m" value="27.0">27 m</quantity>
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,
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<date id="0D0A93E1FFA44B16FF6D84DAE313F904" box="[174,299,1675,1699]" pageId="9" pageNumber="122" value="1992-07-15">15.VII.1992</date>
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, coll. P. Laboute, 1 colonie (
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<collectionCode id="1FA52DE4FFA44B16FDF084DAE0BFF904" box="[563,647,1675,1699]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="9" pageNumber="122">MNHN</collectionCode>
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</paragraph>
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<paragraph id="790BB521FFA44B16FD6686FFE175FB61" blockId="9.[677,1106,1198,1264]" box="[677,845,1198,1222]" pageId="9" pageNumber="122">
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A1
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<collectionCode id="1FA52DE4FFA44B16FD0486FFE131FB61" box="[711,777,1198,1222]" pageId="9" pageNumber="122">CPOL</collectionCode>
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B 84).
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</paragraph>
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<paragraph id="790BB521FFA44B16FD668689E66AFB48" blockId="9.[677,1106,1198,1264]" box="[677,1106,1239,1264]" pageId="9" pageNumber="122">
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ÉTYMOLOGIE. — Du latin
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<taxonomicName id="BEB4CEA2FFA44B16FC698686E1DEFB48" authorityName="Monniot & Monniot" authorityYear="2006" box="[938,998,1239,1263]" class="Ascidiacea" family="Polyclinidae" genus="Polyclinum" kingdom="Animalia" order="Aplousobranchia" pageId="9" pageNumber="122" phylum="Chordata" rank="species" species="lagena">
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<emphasis id="4BC06933FFA44B16FC698686E1DEFB48" box="[938,998,1239,1263]" italics="true" pageId="9" pageNumber="122">lagena</emphasis>
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</taxonomicName>
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: bouteille.
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</paragraph>
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</subSubSection>
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<subSubSection id="31AEE6AAFFA44B15FD66875CE67BFE96" lastPageId="10" lastPageNumber="123" pageId="9" pageNumber="122" type="description">
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<paragraph id="790BB521FFA44B16FD66875CE10DFA82" blockId="9.[677,1210,1293,1700]" box="[677,821,1293,1319]" pageId="9" pageNumber="122">DESCRIPTION</paragraph>
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<paragraph id="790BB521FFA44B16FD66877CE152F983" blockId="9.[677,1210,1293,1700]" pageId="9" pageNumber="122">
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Les colonies sont sous forme d’urnes (
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<figureCitation id="E18FA9A4FFA44B16FBE5877CE6BAFAE0" box="[1062,1154,1324,1351]" captionStart="FIG" captionStartId="37.[113,124,1657,1674]" captionTargetBox="[131,1189,219,1578]" captionTargetId="figure-21@37.[131,1189,218,1579]" captionTargetPageId="37" captionText="FIG. 25. — A, Polyclinum lagena n. sp.; B, Synoicum floriferum n. sp.(photo P.Laboute); C, Synoicum laboutei n. sp.(photo P.Laboute); D, Pseudodistoma citrinum n. sp. (photo P. Laboute)." figureDoi="http://doi.org/10.5281/zenodo.5399847" httpUri="https://zenodo.org/record/5399847/files/figure.png" pageId="9" pageNumber="122">Fig. 25A</figureCitation>
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) plus ou moins étroitement agglomérées, de
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<quantity id="BE4C18C4FFA44B16FB8A871DE6A0FAC0" box="[1097,1176,1356,1383]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="9" pageNumber="122" unit="mm" value="20.0">20 mm</quantity>
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de hauteur maximum et
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<quantity id="BE4C18C4FFA44B16FC4D873DE1E4FA20" box="[910,988,1388,1415]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="9" pageNumber="122" unit="mm" value="12.0">12 mm</quantity>
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de diamètre (d’où le nom d’espèce). La tunique est entièrement incrustée de sable en surface mais n’en contient pas intérieurement. Les zoïdes sont disposés le long de doubles rangées qui convergent vers l’ouverture cloacale commune apicale.
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</paragraph>
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<paragraph id="790BB521FFA44B15FD78847AE3ACFD88" blockId="9.[677,1210,1293,1700]" lastBlockId="10.[113,647,216,1319]" lastPageId="10" lastPageNumber="123" pageId="9" pageNumber="122">
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Les zoïdes n’ont qu’une musculature assez faible et sont donc peu contractés. Les différentes parties des zoïdes se décomposent en thorax:
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<quantity id="BE4C18C4FFA44B16FBF58438E6B6F923" box="[1078,1166,1641,1668]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="9" pageNumber="122" unit="mm" value="2.5">2,5 mm</quantity>
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, abdomen:
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<quantity id="BE4C18C4FFA44B16FD3C84D8E16BF903" box="[767,851,1673,1700]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="9" pageNumber="122" unit="mm" value="0.5">0,5 mm</quantity>
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et post-abdomen:
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<quantity id="BE4C18C4FFA44B16FBDA84D8E660F903" box="[1049,1112,1673,1700]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="9" pageNumber="122" unit="mm" value="3.0">3 mm</quantity>
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(
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<figureCitation id="E18FA9A4FFA44B15FBA784D8E2BDFF55" captionStart="FIG" captionStartId="9.[113,124,1088,1105]" captionTargetBox="[176,1149,237,1042]" captionTargetId="figure-20@9.[124,1198,201,1090]" captionTargetPageId="9" captionText="FIG. 6. — Polyclinum lagena n. sp.: A, thorax et abdomen d’un zoïde; B, abdomen et post-abdomen; C, larve. Échelles: A, B, 1 mm; C, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399811" httpUri="https://zenodo.org/record/5399811/files/figure.png" lastPageId="10" lastPageNumber="123" pageId="9" pageNumber="122">Fig. 6A, B</figureCitation>
|
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). Un prolongement vasculaire fait suite au postabdomen. Le siphon buccal a six lobes pétaloïdes. Le siphon cloacal (
|
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<figureCitation id="E18FA9A4FFA74B15FED28346E367FE95" box="[273,351,279,306]" captionStart="FIG" captionStartId="9.[113,124,1088,1105]" captionTargetBox="[176,1149,237,1042]" captionTargetId="figure-20@9.[124,1198,201,1090]" captionTargetPageId="9" captionText="FIG. 6. — Polyclinum lagena n. sp.: A, thorax et abdomen d’un zoïde; B, abdomen et post-abdomen; C, larve. Échelles: A, B, 1 mm; C, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399811" httpUri="https://zenodo.org/record/5399811/files/figure.png" pageId="10" pageNumber="123">Fig. 6A</figureCitation>
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) a une ouverture étroite, très basse, à mi-hauteur du thorax, bordée d’un sphincter qui peut former un court tube par contraction. Il n’y a pas d’éperon postérieur au siphon cloacal. La languette cloacale s’insère antérieurement près du complexe neural, loin de l’ouverture cloacale (
|
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<figureCitation id="E18FA9A4FFA74B15FFBA8384E2F7FE57" box="[121,207,469,496]" captionStart="FIG" captionStartId="9.[113,124,1088,1105]" captionTargetBox="[176,1149,237,1042]" captionTargetId="figure-20@9.[124,1198,201,1090]" captionTargetPageId="9" captionText="FIG. 6. — Polyclinum lagena n. sp.: A, thorax et abdomen d’un zoïde; B, abdomen et post-abdomen; C, larve. Échelles: A, B, 1 mm; C, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399811" httpUri="https://zenodo.org/record/5399811/files/figure.png" pageId="10" pageNumber="123">Fig. 6A</figureCitation>
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). Elle est longue, terminée en pointe ou tronquée et bordée de denticules. Elle possède une musculature longitudinale.
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</paragraph>
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<paragraph id="790BB521FFA74B15FF4B8064E2C1FD0A" blockId="10.[113,647,216,1319]" pageId="10" pageNumber="123">La branchie a de 11 à 13 rangs de stigmates et 12 stigmates par demi-rang. Les sinus transverses ont des membranes assez hautes, sans papilles ni ondulations.</paragraph>
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<paragraph id="790BB521FFA74B15FF4B80E5E00FFD4A" blockId="10.[113,647,216,1319]" pageId="10" pageNumber="123">Les languettes du raphé ont une longueur égale a un stigmate et sont peu décalées à gauche.</paragraph>
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<paragraph id="790BB521FFA74B15FF4B80A3E32FFC6D" blockId="10.[113,647,216,1319]" pageId="10" pageNumber="123">
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L’abdomen est très court (
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<figureCitation id="E18FA9A4FFA74B15FE7A80A3E02CFCAA" box="[441,532,754,781]" captionStart="FIG" captionStartId="9.[113,124,1088,1105]" captionTargetBox="[176,1149,237,1042]" captionTargetId="figure-20@9.[124,1198,201,1090]" captionTargetPageId="9" captionText="FIG. 6. — Polyclinum lagena n. sp.: A, thorax et abdomen d’un zoïde; B, abdomen et post-abdomen; C, larve. Échelles: A, B, 1 mm; C, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399811" httpUri="https://zenodo.org/record/5399811/files/figure.png" pageId="10" pageNumber="123">Fig. 6B</figureCitation>
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). La boucle intestinale est tordue. L’anus bilobé s’ouvre à mi-hauteur de la branchie. Le post-abdomen est allongé, porté par un long pédoncule issu du centre de la boucle intestinale (
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<figureCitation id="E18FA9A4FFA74B15FE648120E3C5FC2B" box="[423,509,881,908]" captionStart="FIG" captionStartId="9.[113,124,1088,1105]" captionTargetBox="[176,1149,237,1042]" captionTargetId="figure-20@9.[124,1198,201,1090]" captionTargetPageId="9" captionText="FIG. 6. — Polyclinum lagena n. sp.: A, thorax et abdomen d’un zoïde; B, abdomen et post-abdomen; C, larve. Échelles: A, B, 1 mm; C, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399811" httpUri="https://zenodo.org/record/5399811/files/figure.png" pageId="10" pageNumber="123">Fig. 6B</figureCitation>
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). Il contient une double rangée de vésicules testiculaires et au centre, l’ovaire.
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</paragraph>
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<paragraph id="790BB521FFA74B15FF4B8181E2D6FA80" blockId="10.[113,647,216,1319]" pageId="10" pageNumber="123">
|
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Plusieurs larves sont incubées dans la cavité cloacale. Le tronc mesure
|
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<quantity id="BE4C18C4FFA74B15FE5081A1E3D7FBAD" box="[403,495,1008,1035]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="10" pageNumber="123" unit="mm" value="0.5">0,5 mm</quantity>
|
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. La queue est enroulée en trois quarts de tour (
|
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<figureCitation id="E18FA9A4FFA74B15FE2C865EE073FB8D" box="[495,587,1039,1066]" captionStart="FIG" captionStartId="9.[113,124,1088,1105]" captionTargetBox="[176,1149,237,1042]" captionTargetId="figure-20@9.[124,1198,201,1090]" captionTargetPageId="9" captionText="FIG. 6. — Polyclinum lagena n. sp.: A, thorax et abdomen d’un zoïde; B, abdomen et post-abdomen; C, larve. Échelles: A, B, 1 mm; C, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399811" httpUri="https://zenodo.org/record/5399811/files/figure.png" pageId="10" pageNumber="123">Fig. 6C</figureCitation>
|
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). Les trois papilles adhésives alternent avec quatre paires de vésicules épidermiques arrondies. Quelques vésicules supplémentaires sont présentes, deux dorsalement et ventralement une série en grappe près de l’insertion de la queue (
|
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<figureCitation id="E18FA9A4FFA74B15FE0686FFE025FB6E" box="[453,541,1198,1225]" captionStart="FIG" captionStartId="9.[113,124,1088,1105]" captionTargetBox="[176,1149,237,1042]" captionTargetId="figure-20@9.[124,1198,201,1090]" captionTargetPageId="9" captionText="FIG. 6. — Polyclinum lagena n. sp.: A, thorax et abdomen d’un zoïde; B, abdomen et post-abdomen; C, larve. Échelles: A, B, 1 mm; C, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399811" httpUri="https://zenodo.org/record/5399811/files/figure.png" pageId="10" pageNumber="123">Fig. 6C</figureCitation>
|
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). La larve contient dans sa masse viscérale un cristal d’oxalate de calcium, généralement présent dans le genre
|
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<emphasis id="4BC06933FFA74B15FFB2875CE2D6FA80" box="[113,238,1293,1319]" italics="true" pageId="10" pageNumber="123">
|
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<taxonomicName id="BEB4CEA2FFA74B15FFB2875CE2D2FA80" authorityName="Savigny" authorityYear="1816" box="[113,234,1293,1319]" class="Ascidiacea" family="Polyclinidae" genus="Polyclinum" kingdom="Animalia" order="Aplousobranchia" pageId="10" pageNumber="123" phylum="Chordata" rank="genus">Polyclinum</taxonomicName>
|
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.
|
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</emphasis>
|
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</paragraph>
|
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<paragraph id="790BB521FFA74B15FFB2871CE2CCFAC2" blockId="10.[113,647,1357,1700]" box="[113,244,1357,1383]" pageId="10" pageNumber="123">REMARQUES</paragraph>
|
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<paragraph id="790BB521FFA74B15FFB2873CE353F983" blockId="10.[113,647,1357,1700]" pageId="10" pageNumber="123">
|
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|
|
La position de cette espèce dans le genre
|
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|
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<taxonomicName id="BEB4CEA2FFA74B15FDD6873DE0BFFA21" authorityName="Savigny" authorityYear="1816" box="[533,647,1388,1414]" class="Ascidiacea" family="Polyclinidae" genus="Polyclinum" kingdom="Animalia" order="Aplousobranchia" pageId="10" pageNumber="123" phylum="Chordata" rank="genus">
|
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<emphasis id="4BC06933FFA74B15FDD6873DE0BFFA21" box="[533,647,1388,1414]" italics="true" pageId="10" pageNumber="123">Polyclinum</emphasis>
|
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</taxonomicName>
|
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|
|
plutôt que dans le genre
|
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|
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<taxonomicName id="BEB4CEA2FFA74B15FE4387DDE3D7FA01" authorityName="Lahille" authorityYear="1890" box="[384,495,1420,1446]" class="Ascidiacea" family="Polyclinidae" genus="Aplidiopsis" kingdom="Animalia" order="Aplousobranchia" pageId="10" pageNumber="123" phylum="Chordata" rank="genus">
|
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|
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<emphasis id="4BC06933FFA74B15FE4387DDE3D7FA01" box="[384,495,1420,1446]" italics="true" pageId="10" pageNumber="123">Aplidiopsis</emphasis>
|
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|
|
</taxonomicName>
|
|||
|
|
est choisie en tenant compte de la torsion du tube digestif, de l’implantation du post-abdomen dans la boucle digestive et de la présence de cristaux d’oxalate de calcium dans les larves.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="790BB521FFA74B15FF4B847BE67BFE96" blockId="10.[113,647,1357,1700]" lastBlockId="10.[677,1210,216,781]" pageId="10" pageNumber="123">Cette espèce est surtout caractérisée par la forme des colonies en urnes juxtaposées, une ouverture cloacale commune unique apicale et des zoïdes en doubles rangées convergentes. La position de la languette cloacale très antérieure à l’ouverture du siphon est peu fréquente. L’absence de papilles sur les sinus transverses est exceptionnelle.</paragraph>
|
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|
|
</subSubSection>
|
|||
|
|
<subSubSection id="31AEE6AAFFA74B15FD788366E12AFCAB" pageId="10" pageNumber="123" type="reference_group">
|
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|
|
<paragraph id="790BB521FFA74B15FD788366E656FDA8" blockId="10.[677,1210,216,781]" pageId="10" pageNumber="123">
|
|||
|
|
<taxonomicName id="BEB4CEA2FFA74B15FD788366E6AEFEF6" ID-CoL="4L4HS" authority="Sluiter, 1898 d'Afrique" authorityName="Sluiter" authorityYear="1898" box="[699,1174,311,337]" class="Ascidiacea" family="Polyclinidae" genus="Polyclinum" kingdom="Animalia" order="Aplousobranchia" pageId="10" pageNumber="123" phylum="Chordata" rank="species" species="arenosum">
|
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|
|
<emphasis id="4BC06933FFA74B15FD788366E1AFFEF6" box="[699,919,311,337]" italics="true" pageId="10" pageNumber="123">Polyclinum arenosum</emphasis>
|
|||
|
|
<bibRefCitation id="1D25C8D0FFA74B15FC5D8366E611FEF6" author="SLUITER C. P." box="[926,1065,311,337]" pageId="10" pageNumber="123" pagination="1 - 64" refId="ref18765" refString="SLUITER C. P. 1898. - Beitrage zur Kenntnis der Fauna von Sudafrica. Ergebnisse einer Reise von Prof. Max Weber in Jahre 1894. II. Tunicaten von Sud Africa. Zoologischen Jahrbucher Abtheilung fur Systematik, Geographie und Biologie der Thiere 11: 1 - 64." type="journal article" year="1898">Sluiter, 1898</bibRefCitation>
|
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|
|
d’Afrique
|
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|
|
</taxonomicName>
|
|||
|
|
du Sud a des colonies en massues unies seulement à leur base, couvertes de sable. Le nombre de stigmates et de rangs de stigmates est assez proche, par contre l’ovaire est décrit comme placé dans la partie antérieure du post-abdomen. Les larves de cette espèce décrites par
|
|||
|
|
<bibRefCitation id="1D25C8D0FFA74B15FCE483A4E183FDB7" author="MILLAR R. H." box="[807,955,501,528]" pageId="10" pageNumber="123" pagination="113 - 221" refId="ref18063" refString="MILLAR R. H. 1962. - Further descriptions of South african ascidians. Annals of the South African Museum 46 (7): 113 - 221." type="journal article" year="1962">Millar (1962)</bibRefCitation>
|
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|
|
sont différentes.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="790BB521FFA74B15FD788044E1A6FD09" blockId="10.[677,1210,216,781]" pageId="10" pageNumber="123">
|
|||
|
|
<taxonomicName id="BEB4CEA2FFA74B15FD788044E606FD88" authority="Sluiter, 1898" authorityName="Sluiter" authorityYear="1898" box="[699,1086,533,559]" class="Ascidiacea" family="Polyclinidae" genus="Polyclinum" kingdom="Animalia" order="Aplousobranchia" pageId="10" pageNumber="123" phylum="Chordata" rank="species" species="isipigense">
|
|||
|
|
<emphasis id="4BC06933FFA74B15FD788044E199FD89" box="[699,929,533,559]" italics="true" pageId="10" pageNumber="123">Polyclinum isipigense</emphasis>
|
|||
|
|
<bibRefCitation id="1D25C8D0FFA74B15FC688044E606FD88" author="SLUITER C. P." box="[939,1086,533,559]" pageId="10" pageNumber="123" pagination="1 - 64" refId="ref18765" refString="SLUITER C. P. 1898. - Beitrage zur Kenntnis der Fauna von Sudafrica. Ergebnisse einer Reise von Prof. Max Weber in Jahre 1894. II. Tunicaten von Sud Africa. Zoologischen Jahrbucher Abtheilung fur Systematik, Geographie und Biologie der Thiere 11: 1 - 64." type="journal article" year="1898">Sluiter, 1898</bibRefCitation>
|
|||
|
|
</taxonomicName>
|
|||
|
|
réparti du
|
|||
|
|
<collectingCountry id="01A3F5B1FFA74B15FD668065E10CFDE9" box="[677,820,564,590]" name="Mozambique" pageId="10" pageNumber="123">Mozambique</collectingCountry>
|
|||
|
|
à l’Afrique du Sud (Monniot C.
|
|||
|
|
<emphasis id="4BC06933FFA74B15FB6B8064E080FDC9" italics="true" pageId="10" pageNumber="123">et al</emphasis>
|
|||
|
|
. 2001) diffère par ses systèmes circulaires et un siphon cloacal situé très antérieurement, dont la languette est attenante.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="790BB521FFA74B15FD7880E2E12AFCAB" blockId="10.[677,1210,216,781]" pageId="10" pageNumber="123">
|
|||
|
|
<taxonomicName id="BEB4CEA2FFA74B15FD7880E2E1BDFD6A" ID-CoL="4L4KK" authority="Monniot & Monniot, 2006" authorityName="Monniot & Monniot" authorityYear="2006" box="[699,901,691,717]" class="Ascidiacea" family="Polyclinidae" genus="Polyclinum" kingdom="Animalia" order="Aplousobranchia" pageId="10" pageNumber="123" phylum="Chordata" rank="species" species="sacceum" status="sp. nov.">
|
|||
|
|
<emphasis id="4BC06933FFA74B15FD7880E2E1BDFD6A" box="[699,901,691,717]" italics="true" pageId="10" pageNumber="123">Polyclinum sacceum</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
<taxonomicNameLabel id="50F3D448FFA74B15FC4980E5E1FBFD69" box="[906,963,692,718]" pageId="10" pageNumber="123" rank="species">n. sp.</taxonomicNameLabel>
|
|||
|
|
diffère par l’incubation des larves dans une poche incubatrice appendue au thorax.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
</treatment>
|
|||
|
|
</document>
|