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<document id="8A993025F093D31D739F0471DCA36CCB" 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 &amp; Monniot, Claude" docDate="2006" docId="F11D0437FFB14B02FEC08120E1D3FE96" 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="Eudistoma punctatum Monniot F. &amp; Monniot C. 2001" docType="treatment" docVersion="3" lastPageNumber="142" masterDocId="0D247C4FFFAD4B1FFFC38251E238FFA7" masterDocTitle="Ascidies (Polyclinidae, Pseudodistomidae et Polycitoridae) de louest de locéan Indien" masterLastPageNumber="156" masterPageNumber="113" pageNumber="141" 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:title id="D5A926C73EBB21D006BD4FAD64338180">Ascidies (Polyclinidae, Pseudodistomidae et Polycitoridae) de louest de locéan Indien</mods:title>
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<mods:name id="480353D8ADFD416C7F6B318FB0E58E5A" type="personal">
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<mods:namePart id="E3AB71D82ADB773A203E8C05A5C3D4ED">Monniot, Françoise</mods:namePart>
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<mods:namePart id="C840D703ABA54BB9D0168C6A3A099646">Monniot, Claude</mods:namePart>
<mods:affiliation id="B56B2FA28CE63A7465A4DC4339EF8847">Muséum national dHistoire naturelle, Département Milieux et Peuplements aquatiques, case postale 51, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) monniot @ mnhn. fr</mods:affiliation>
<mods:nameIdentifier id="3BCC0A5F21FD156C6C0768AD3F94392D" type="email">monniot@mnhn.fr</mods:nameIdentifier>
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<mods:title id="784B547BC01E02D36D3664C349E04A85">Zoosystema</mods:title>
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<mods:date id="5B589BA40F587CC0419E518F6BF17F38">2006</mods:date>
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<treatment id="F11D0437FFB14B02FEC08120E1D3FE96" LSID="urn:lsid:plazi:treatment:F11D0437FFB14B02FEC08120E1D3FE96" httpUri="http://treatment.plazi.org/id/F11D0437FFB14B02FEC08120E1D3FE96" lastPageId="29" lastPageNumber="142" pageId="28" pageNumber="141">
<subSubSection id="31AEE6AAFFB14B03FEC08120E008FC0C" pageId="28" pageNumber="141" type="nomenclature">
<paragraph id="790BB521FFB14B03FEC08120E008FC0C" blockId="28.[200,560,881,971]" pageId="28" pageNumber="141">
<heading id="2243024DFFB14B03FEC08120E008FC0C" centered="true" fontSize="11" level="2" pageId="28" pageNumber="141" reason="3">
<taxonomicName id="BEB4CEA2FFB14B03FEC08120E008FC0C" ID-CoL="6GV3Z" authority="Monniot F. &amp; Monniot C., 2001" authorityName="Monniot F. &amp; Monniot C." authorityYear="2001" class="Ascidiacea" family="Polycitoridae" genus="Eudistoma" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="141" phylum="Chordata" rank="species" species="punctatum">
<emphasis id="4BC06933FFB14B03FEC08120E3CDFC2C" bold="true" box="[259,501,881,908]" italics="true" pageId="28" pageNumber="141">Eudistoma punctatum</emphasis>
Monniot F. &amp; Monniot C., 2001
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="31AEE6AAFFB14B03FEEE81E1E3F3FC6C" box="[301,459,944,971]" pageId="28" pageNumber="141" type="description">
<paragraph id="790BB521FFB14B03FEEE81E1E3F3FC6C" blockId="28.[200,560,881,971]" box="[301,459,944,971]" pageId="28" pageNumber="141">
(
<figureCitation id="E18FA9A4FFB14B03FEF781E1E3BCFC6C" box="[308,388,944,971]" captionStart="FIG" captionStartId="29.[113,124,1634,1651]" captionTargetBox="[131,607,220,1588]" captionTargetId="figure-20@29.[89,640,193,1588]" captionTargetPageId="29" captionText="FIG. 18. — Eudistoma punctatum Monniot F. &amp; Monniot C., 2001: A, zoïde; B, C, deux faces de la boucle intestinale; D, glande pylorique; E, larve. Échelles: A, 2 mm; B-E, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399833" httpUri="https://zenodo.org/record/5399833/files/figure.png" pageId="28" pageNumber="141">Figs 18</figureCitation>
;
<figureCitation id="E18FA9A4FFB14B03FE5681E0E3FBFC6C" box="[405,451,945,971]" captionStart="FIG" captionStartId="39.[113,124,1657,1674]" captionTargetBox="[134,1189,215,1536]" captionTargetId="figure-21@39.[134,1189,214,1539]" captionTargetPageId="39" captionText="FIG. 27. — A, Eudistoma laboutei n. sp. (photo P. Laboute); B, Eudistoma punctatum Monniot &amp; Monniot, 2001 (photo P. Laboute); C, D, Eudistoma niveum n. sp. (photo CRRF)." figureDoi="http://doi.org/10.5281/zenodo.5399851" httpUri="https://zenodo.org/record/5399851/files/figure.png" pageId="28" pageNumber="141">27B</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="31AEE6AAFFB14B03FFB281B8E33DFB12" pageId="28" pageNumber="141" type="reference_group">
<paragraph id="790BB521FFB14B03FFB281B8E06EFBBB" blockId="28.[113,646,1001,1052]" pageId="28" pageNumber="141">
<taxonomicName id="BEB4CEA2FFB14B03FFB281B8E2A1FBBB" ID-CoL="6GV3Z" authority="Monniot F. &amp; Monniot C., 2001: 243" authorityName="Monniot F. &amp; Monniot C." authorityPageNumber="243" authorityYear="2001" class="Ascidiacea" family="Polycitoridae" genus="Eudistoma" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="141" phylum="Chordata" rank="species" species="punctatum">
<emphasis id="4BC06933FFB14B03FFB281B8E305FBA6" box="[113,317,1001,1025]" italics="true" pageId="28" pageNumber="141">Eudistoma punctatum</emphasis>
Monniot F. &amp; Monniot C., 2001: 243
</taxonomicName>
, figs 33, 117C (
<collectingCountry id="01A3F5B1FFB14B03FEF68655E073FBBB" box="[309,587,1028,1052]" name="Papua New Guinea" pageId="28" pageNumber="141">Papouasie-Nouvelle-Guinée</collectingCountry>
).
</paragraph>
<paragraph id="790BB521FFB14B03FFB28665E33DFB12" blockId="28.[113,647,1076,1258]" pageId="28" pageNumber="141">
MATÉRIEL EXAMINÉ. —
<emphasis id="4BC06933FFB14B03FEA58665E3E7FBEB" bold="true" box="[358,479,1076,1100]" pageId="28" pageNumber="141">
<collectingCountry id="01A3F5B1FFB14B03FEA58665E3E7FBEB" box="[358,479,1076,1100]" name="Madagascar" pageId="28" pageNumber="141">Madagascar</collectingCountry>
</emphasis>
. Nosy-Be, « cratère »,
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,
<date id="0D0A93E1FFB14B03FF28861FE361FBC1" box="[235,345,1102,1126]" pageId="28" pageNumber="141" value="1991-10-11">11.X.1991</date>
, 1 colonie. — Ampombilava,
<quantity id="BE4C18C4FFB14B03FFB28638E284FB27" box="[113,188,1129,1153]" metricMagnitude="1" metricUnit="m" metricValue="1.0" metricValueMax="1.2" metricValueMin="0.8" pageId="28" pageNumber="141" unit="m" value="10.0" valueMax="12.0" valueMin="8.0">8-12 m</quantity>
,
<date id="0D0A93E1FFB14B03FF048638E378FB26" box="[199,320,1129,1153]" pageId="28" pageNumber="141" value="1992-08-07">7.VIII.1992</date>
, 1 colonie. — Pointe du Lokobe,
<quantity id="BE4C18C4FFB14B03FFB286D2E29EFB3D" box="[113,166,1155,1179]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="28" pageNumber="141" unit="m" value="10.0">10 m</quantity>
,
<date id="0D0A93E1FFB14B03FF7386D2E31CFB3C" box="[176,292,1155,1179]" pageId="28" pageNumber="141" value="1994-09-19">19.IX.1994</date>
, coll. P. Laboute, 1 colonie (MNHN A3 EUD 255).
</paragraph>
</subSubSection>
<subSubSection id="31AEE6AAFFB14B02FFB286E8E1D3FE96" lastPageId="29" lastPageNumber="142" pageId="28" pageNumber="141" type="materials_examined">
<paragraph id="790BB521FFB14B03FFB286E8E02BFB4D" blockId="28.[113,647,1076,1258]" pageId="28" pageNumber="141">
<emphasis id="4BC06933FFB14B03FFB286E8E2CFFB76" bold="true" box="[113,247,1209,1233]" pageId="28" pageNumber="141">
<collectingCountry id="01A3F5B1FFB14B03FFB286E8E2CFFB76" box="[113,247,1209,1233]" name="Mozambique" pageId="28" pageNumber="141">Mozambique</collectingCountry>
</emphasis>
. Ibo,
<quantity id="BE4C18C4FFB14B03FEFB86E9E3B2FB77" box="[312,394,1208,1232]" metricMagnitude="1" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="28" pageNumber="141" unit="m" value="15.0" valueMax="20.0" valueMin="10.0">10-20m</quantity>
,
<date id="0D0A93E1FFB14B03FE5486E9E035FB77" box="[407,525,1208,1232]" pageId="28" pageNumber="141" value="1995-11-20">20.XI.1995</date>
, 3 colonies, coll. C. Monniot (
<collectionCode id="1FA52DE4FFB14B03FEE68683E341FB4D" box="[293,377,1234,1258]" 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="28" pageNumber="141">MNHN</collectionCode>
A3 EUD 166).
</paragraph>
<paragraph id="790BB521FFB14B03FFB2875CE33AFA82" blockId="28.[113,647,1293,1700]" box="[113,258,1293,1319]" pageId="28" pageNumber="141">DESCRIPTION</paragraph>
<paragraph id="790BB521FFB14B03FFB2877CE166FEF6" blockId="28.[113,647,1293,1700]" lastBlockId="28.[677,1210,216,1446]" pageId="28" pageNumber="141">
Les colonies sont formées dun bouquet serré de lobes pédonculés de
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de haut avec un diamètre denviron
<quantity id="BE4C18C4FFB14B03FEEC873DE340FA20" box="[303,376,1388,1415]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="28" pageNumber="141" unit="mm" value="5.0">5 mm</quantity>
. Les lobes ont une base étroite insérée sur une base commune en croûte. Les thorax des zoïdes forment un capitule élargi. Les siphons buccaux sont disposés en rosettes, légèrement saillants autour des siphons cloacaux groupés au centre de chaque système. La tunique, nue, vitreuse, extrêmement transparente permet de voir les zoïdes. Un cercle de pigment blanc ou jaune pâle entoure chaque siphon et il y a deux taches circulaires opaques de chaque côté du gan- glion nerveux (
<figureCitation id="E18FA9A4FFB14B03FC978289E186FF55" box="[852,958,216,242]" captionStart="FIG" captionStartId="39.[113,124,1657,1674]" captionTargetBox="[134,1189,215,1536]" captionTargetId="figure-21@39.[134,1189,214,1539]" captionTargetPageId="39" captionText="FIG. 27. — A, Eudistoma laboutei n. sp. (photo P. Laboute); B, Eudistoma punctatum Monniot &amp; Monniot, 2001 (photo P. Laboute); C, D, Eudistoma niveum n. sp. (photo CRRF)." figureDoi="http://doi.org/10.5281/zenodo.5399851" httpUri="https://zenodo.org/record/5399851/files/figure.png" pageId="28" pageNumber="141">Fig. 27B</figureCitation>
). Ce pigment devient brun foncé dans le formol. Les pédoncules et la base des colonies sont incrustés dune couche de vase superficielle.
</paragraph>
<paragraph id="790BB521FFB14B03FD788306E1E4FD29" blockId="28.[677,1210,216,1446]" pageId="28" pageNumber="141">
Les zoïdes (
<figureCitation id="E18FA9A4FFB14B03FCF08307E1AAFED6" box="[819,914,342,369]" captionStart="FIG" captionStartId="29.[113,124,1634,1651]" captionTargetBox="[131,607,220,1588]" captionTargetId="figure-20@29.[89,640,193,1588]" captionTargetPageId="29" captionText="FIG. 18. — Eudistoma punctatum Monniot F. &amp; Monniot C., 2001: A, zoïde; B, C, deux faces de la boucle intestinale; D, glande pylorique; E, larve. Échelles: A, 2 mm; B-E, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399833" httpUri="https://zenodo.org/record/5399833/files/figure.png" pageId="28" pageNumber="141">Fig. 18A</figureCitation>
) sétendent sur toute la longueur des lobes. Les deux siphons sont courts et bordés de six lobes. Le thorax noccupe quune petite partie du corps des animaux fixés. La musculature thoracique comprend des fibres transverses denses et de fortes fibres longitudinales. Les tentacules buccaux sont de trois ordres, courts. Il existe un espace imperforé entre le bourrelet péripharyngien et la branchie, et cest dans cet espace que se situent les deux taches pigmentaires.
</paragraph>
<paragraph id="790BB521FFB14B03FD7880C5E15EFC8B" blockId="28.[677,1210,216,1446]" pageId="28" pageNumber="141">La branchie compte plus de 30 stigmates dans le premier demi-rang, relevé dorsalement, et presque autant dans les deux autres rangs. Les stigmates sont très étroits et longs. Les languettes du raphé sont décalées à gauche.</paragraph>
<paragraph id="790BB521FFB14B03FD788163E1C9FB0F" blockId="28.[677,1210,216,1446]" pageId="28" pageNumber="141">
Labdomen est particulièrement long, impression accentuée par lemplacement de lestomac et des gonades très postérieurs. Lestomac est lisse et le post-estomac conique (
<figureCitation id="E18FA9A4FFB14B03FC1981C0E607FC0C" box="[986,1087,913,939]" captionStart="FIG" captionStartId="29.[113,124,1634,1651]" captionTargetBox="[131,607,220,1588]" captionTargetId="figure-20@29.[89,640,193,1588]" captionTargetPageId="29" captionText="FIG. 18. — Eudistoma punctatum Monniot F. &amp; Monniot C., 2001: A, zoïde; B, C, deux faces de la boucle intestinale; D, glande pylorique; E, larve. Échelles: A, 2 mm; B-E, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399833" httpUri="https://zenodo.org/record/5399833/files/figure.png" pageId="28" pageNumber="141">Fig. 18C</figureCitation>
). Lintestin moyen est étroit et dessine le fond de la boucle digestive (
<figureCitation id="E18FA9A4FFB14B03FCD18181E140FC4D" box="[786,888,976,1002]" captionStart="FIG" captionStartId="29.[113,124,1634,1651]" captionTargetBox="[131,607,220,1588]" captionTargetId="figure-20@29.[89,640,193,1588]" captionTargetPageId="29" captionText="FIG. 18. — Eudistoma punctatum Monniot F. &amp; Monniot C., 2001: A, zoïde; B, C, deux faces de la boucle intestinale; D, glande pylorique; E, larve. Échelles: A, 2 mm; B-E, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399833" httpUri="https://zenodo.org/record/5399833/files/figure.png" pageId="28" pageNumber="141">Fig. 18C</figureCitation>
). Lintestin postérieur débute par un brusque élargissement mais sans caecum. Lintestin postérieur est rectiligne. La glande pylorique (
<figureCitation id="E18FA9A4FFB14B03FD28867EE176FBEE" box="[747,846,1071,1097]" captionStart="FIG" captionStartId="29.[113,124,1634,1651]" captionTargetBox="[131,607,220,1588]" captionTargetId="figure-20@29.[89,640,193,1588]" captionTargetPageId="29" captionText="FIG. 18. — Eudistoma punctatum Monniot F. &amp; Monniot C., 2001: A, zoïde; B, C, deux faces de la boucle intestinale; D, glande pylorique; E, larve. Échelles: A, 2 mm; B-E, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399833" httpUri="https://zenodo.org/record/5399833/files/figure.png" pageId="28" pageNumber="141">Fig. 18D</figureCitation>
) est formée de nombreux tubules irrégulièrement dilatés en ampoules successives qui couvrent lintestin postérieur au niveau de lestomac et un peu plus antérieurement.
</paragraph>
<paragraph id="790BB521FFB14B03FD7886FFE67AFAA0" blockId="28.[677,1210,216,1446]" pageId="28" pageNumber="141">Les gonades emplissent toute la boucle digestive sous lestomac avec de nombreuses vésicules testiculaires en grappe et un ovaire central.</paragraph>
<paragraph id="790BB521FFB14B03FD78875CE11FFA01" blockId="28.[677,1210,216,1446]" pageId="28" pageNumber="141">
Une à deux larves sont incubées dans la cavité cloacale (
<figureCitation id="E18FA9A4FFB14B03FCCC877CE140FAE0" box="[783,888,1325,1351]" captionStart="FIG" captionStartId="29.[113,124,1634,1651]" captionTargetBox="[131,607,220,1588]" captionTargetId="figure-20@29.[89,640,193,1588]" captionTargetPageId="29" captionText="FIG. 18. — Eudistoma punctatum Monniot F. &amp; Monniot C., 2001: A, zoïde; B, C, deux faces de la boucle intestinale; D, glande pylorique; E, larve. Échelles: A, 2 mm; B-E, 0,5 mm." figureDoi="http://doi.org/10.5281/zenodo.5399833" httpUri="https://zenodo.org/record/5399833/files/figure.png" pageId="28" pageNumber="141">Fig. 18E</figureCitation>
). Elles sont munies de trois papilles adhésives alternant avec quatre paires de vésicules épidermiques épaisses et longues dans les larves agées.
</paragraph>
<paragraph id="790BB521FFB14B03FD66879DE110FA43" blockId="28.[677,1210,1484,1700]" box="[677,808,1484,1510]" pageId="28" pageNumber="141">REMARQUES</paragraph>
<paragraph id="790BB521FFB14B03FD6687BAE1D6F9C3" blockId="28.[677,1210,1484,1700]" pageId="28" pageNumber="141">
Cette espèce décrite de
<collectingCountry id="01A3F5B1FFB14B03FC5787BAE681F9A2" box="[916,1209,1515,1541]" name="Papua New Guinea" pageId="28" pageNumber="141">Papouasie-Nouvelle-Guinée</collectingCountry>
est, daprès P. Laboute, très commune autour de Nosy-Be. Elle est présente dans la mangrove et jusquà
<quantity id="BE4C18C4FFB14B03FD34841BE108F9C3" box="[759,816,1610,1636]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="28" pageNumber="141" unit="m" value="20.0">20 m</quantity>
au
<collectingCountry id="01A3F5B1FFB14B03FC94841BE1D2F9C3" box="[855,1002,1610,1636]" name="Mozambique" pageId="28" pageNumber="141">Mozambique</collectingCountry>
.
</paragraph>
<paragraph id="790BB521FFB14B03FD78843BE681F904" blockId="28.[677,1210,1484,1700]" pageId="28" pageNumber="141">
Les colonies de
<taxonomicName id="BEB4CEA2FFB14B03FCA7843BE1CAF924" box="[868,1010,1642,1667]" class="Ascidiacea" family="Polycitoridae" genus="Eudistoma" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="141" phylum="Chordata" rank="species" species="punctatum">
<emphasis id="4BC06933FFB14B03FCA7843BE1CAF924" box="[868,1010,1642,1667]" italics="true" pageId="28" pageNumber="141">E. punctatum</emphasis>
</taxonomicName>
ressemblent beaucoup à celles de
<taxonomicName id="BEB4CEA2FFB14B03FC8584DBE18FF904" authorityName="Millar" authorityYear="1975" box="[838,951,1673,1699]" class="Ascidiacea" family="Polycitoridae" genus="Eudistoma" kingdom="Animalia" order="Aplousobranchia" pageId="28" pageNumber="141" phylum="Chordata" rank="species" species="toealense">
<emphasis id="4BC06933FFB14B03FC8584DBE18FF904" box="[838,951,1673,1699]" italics="true" pageId="28" pageNumber="141">E. toealense</emphasis>
</taxonomicName>
, aussi présent à Ibo, mais
</paragraph>
<paragraph id="790BB521FFB04B02FFB58059E1D3FE96" blockId="29.[118,135,520,545]" lastBlockId="29.[677,1210,216,305]" pageId="29" pageNumber="142">A cette dernière espèce a des lobes de la colonie plus grands, une tunique opaque, et na pas de taches pigmentaires près des siphons.</paragraph>
</subSubSection>
</treatment>
</document>