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<document id="050F1F3F613B11817449C24A0B91D91C" ID-DOI="10.5281/zenodo.5399867" ID-ISSN="1638-9387" ID-Zenodo-Dep="5399867" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630332822969" checkinUser="marcus" docAuthor="Abdou, Ahmed &amp; Bouchet, Philippe" docDate="2000" docId="03B3A9648F69FFC032B1EB8DFDFA03C9" docLanguage="fr" docName="Zoosystema.2000.22.4.689-707.pdf" docOrigin="Zoosystema 22 (4)" docStyle="DocumentStyle:2A9C6F9EA5F90D98170D9E0D9CA29375.4:Zoosystema.2000-2008.journal_article.type1" docStyleId="2A9C6F9EA5F90D98170D9E0D9CA29375" docStyleName="Zoosystema.2000-2008.journal_article.type1" docStyleVersion="4" docTitle="Rikitea tapinoptyx Abdou &amp; Bouchet 2000, n. sp." docType="treatment" docVersion="4" lastPageNumber="702" masterDocId="FF8AD11C8F64FFCE3246E942FFBD072E" masterDocTitle="Nouveaux gastéropodes Endodontidae et Punctidae (Mollusca, Pulmonata) récemment éteints de larchipel des Gambier (Polynésie)" masterLastPageNumber="707" masterPageNumber="689" pageNumber="702" updateTime="1699231522116" 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="7EE650222D8A5214CB02924B2C2A1C0E">Nouveaux gastéropodes Endodontidae et Punctidae (Mollusca, Pulmonata) récemment éteints de larchipel des Gambier (Polynésie)</mods:title>
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<mods:name id="601AC5C4045732E859BCAE735393A60A" type="personal">
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<mods:namePart id="840DD0DB0B00F57729C8DCEB6E10AAAB">Abdou, Ahmed</mods:namePart>
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<mods:namePart id="F18556DEF4CD77590457F9D729C576B4">Bouchet, Philippe</mods:namePart>
<mods:affiliation id="36BA50C4112CB288511C8128239D467B">Muséum national dHistoire naturelle, Laboratoire de Biologie des Invertébrés marins et Malacologie, 55 rue de Buffon, F- 75231 Paris cedex 05 (France) bouchet @ mnhn. fr</mods:affiliation>
<mods:nameIdentifier id="4BFE44AFBB42B358154D67DFDF66B992" type="email">bouchet@mnhn.fr</mods:nameIdentifier>
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<mods:title id="8BD3503C3BE1083968C53A90E0DAFE92">Zoosystema</mods:title>
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<mods:date id="6A572D1DEC1B643699D6340CE061CDF7">2000</mods:date>
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<treatment id="03B3A9648F69FFC032B1EB8DFDFA03C9" ID-DOI="http://doi.org/10.5281/zenodo.5475376" ID-Zenodo-Dep="5475376" LSID="urn:lsid:plazi:treatment:03B3A9648F69FFC032B1EB8DFDFA03C9" httpUri="http://treatment.plazi.org/id/03B3A9648F69FFC032B1EB8DFDFA03C9" lastPageId="14" lastPageNumber="702" pageId="13" pageNumber="702">
<subSubSection id="C3004BF98F69FFC332B1EB8DFDBC05C6" box="[247,513,717,745]" pageId="13" pageNumber="702" type="nomenclature">
<paragraph id="8BA518728F69FFC332B1EB8DFDBC05C6" blockId="13.[247,513,717,776]" box="[247,513,717,745]" pageId="13" pageNumber="702">
<heading id="D0EDAF1E8F69FFC332B1EB8DFDBC05C6" box="[247,513,717,745]" centered="true" fontSize="11" level="2" pageId="13" pageNumber="702" reason="2">
<taxonomicName id="4C1A63F18F69FFC332B1EB8DFE0205C9" ID-CoL="4T3CZ" authority="Abdou &amp; Bouchet, 2000" authorityName="Abdou &amp; Bouchet" authorityYear="2000" box="[247,447,717,745]" class="Gastropoda" family="Endodontidae" genus="Rikitea" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="species" species="tapinoptyx" status="sp. nov.">
<emphasis id="B96EC4608F69FFC332B1EB8DFE0205C9" bold="true" box="[247,447,717,745]" italics="true" pageId="13" pageNumber="702">Rikitea tapinoptyx</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A25D791B8F69FFC33380EB8CFDBC05C6" box="[454,513,718,744]" pageId="13" pageNumber="702" rank="species">n. sp.</taxonomicNameLabel>
</heading>
</paragraph>
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<subSubSection id="C3004BF98F69FFC03312EBACFDFA03C9" lastPageId="14" lastPageNumber="703" pageId="13" pageNumber="702" type="description">
<paragraph id="8BA518728F69FFC33312EBACFE180426" blockId="13.[247,513,717,776]" box="[340,421,750,776]" pageId="13" pageNumber="702">
(
<figureCitation id="132104F78F69FFC3331DEBACFE260426" box="[347,411,750,776]" captionStart="FIG" captionStartId="14.[114,125,1097,1114]" captionTargetBox="[121,1206,206,1056]" captionTargetId="figure-201@14.[121,1206,206,1056]" captionTargetPageId="14" captionText="FIG. 6. — Rikitea tapinoptyx n. sp., Taravai, Archipel des Gambier, Polynésie française; A-B, holotype, diamètre = 2,40 mm; C, détail de larmature aperturale; D, microsculpture du dernier tour. Échelle: 100 µm." figureDoi="http://doi.org/10.5281/zenodo.5399879" httpUri="https://zenodo.org/record/5399879/files/figure.png" pageId="13" pageNumber="702">Fig. 6</figureCitation>
)
</paragraph>
<paragraph id="8BA518728F69FFC33237EA64FDB90411" blockId="13.[113,647,806,1039]" box="[113,516,806,831]" pageId="13" pageNumber="702">
<materialsCitation id="3B72122F8F69FFC33237EA64FDB90411" box="[113,516,806,831]" collectionCode="MATERIEL-, TYPE, MNHN" pageId="13" pageNumber="702" specimenCount="1" typeStatus="holotype">
<collectionCode id="ED0B80B78F69FFC33237EA64FEB40415" box="[113,265,806,829]" pageId="13" pageNumber="702">MATÉRIEL- TYPE</collectionCode>
. —
<typeStatus id="54A1A6D08F69FFC33370EA65FE2E0411" box="[310,403,807,831]" pageId="13" pageNumber="702" type="holotype">Holotype</typeStatus>
(
<collectionCode id="ED0B80B78F69FFC333E7EA65FE440411" box="[417,505,807,831]" 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="13" pageNumber="702">MNHN</collectionCode>
).
</materialsCitation>
</paragraph>
<paragraph id="8BA518728F69FFC33237EA0DFE76049D" blockId="13.[113,647,806,1039]" pageId="13" pageNumber="702">
LOCALITÉ-
<typeStatus id="54A1A6D08F69FFC332AFEA16FEA1044A" box="[233,284,852,868]" pageId="13" pageNumber="702">TYPE</typeStatus>
. —
<emphasis id="B96EC4608F69FFC33310EA0DFE0A0449" bold="true" box="[342,439,847,871]" pageId="13" pageNumber="702">Taravai.</emphasis>
Dans lenclos du cimetière du village (presque abandonné en 1997),
<geoCoordinate id="EE2E7EB58F69FFC33237EAC0FF6B04B4" box="[113,214,898,922]" degrees="23" direction="south" minutes="08,6" orientation="latitude" pageId="13" pageNumber="702" precision="92" value="-23.143333">23°08,6S</geoCoordinate>
,
<geoCoordinate id="EE2E7EB58F69FFC332A4EAC0FEE204B4" box="[226,351,898,922]" degrees="135" direction="west" minutes="01,8" orientation="longitude" pageId="13" pageNumber="702" precision="92" value="-135.03">135°01,8W</geoCoordinate>
, terrain découvert avec herbe rase, sol sableux, léger,
<date id="FFA43EB28F69FFC33315EAD9FE7A049D" box="[339,455,923,947]" pageId="13" pageNumber="702" value="1997-09-16">16.IX.1997</date>
.
</paragraph>
<paragraph id="8BA518728F69FFC33237EA86FD960321" blockId="13.[113,647,806,1039]" pageId="13" pageNumber="702">
ÉTYMOLOGIE. — Du grec
<emphasis id="B96EC4608F69FFC333C1EA81FE6A04F4" box="[391,471,963,986]" italics="true" pageId="13" pageNumber="702">tapeinos</emphasis>
, bas et
<emphasis id="B96EC4608F69FFC3306AEA81FDE804F4" box="[556,597,963,986]" italics="true" pageId="13" pageNumber="702">ptyx</emphasis>
, pli, lamelle, par référence à la lamelle pariétale. Le nom est employé comme un substantif en apposition.
</paragraph>
<paragraph id="8BA518728F69FFC33237ED0FFEBF034B" blockId="13.[113,647,1101,1703]" box="[113,258,1101,1127]" pageId="13" pageNumber="702">DESCRIPTION</paragraph>
<paragraph id="8BA518728F69FFC33237ED2FFDAD0189" blockId="13.[113,647,1101,1703]" pageId="13" pageNumber="702">Coquille petite, déprimée, à peu près deux fois plus largre que haute (H/D = 0,5 au moins), constituée dau moins quatre tours (partie apicale manquante) convexes, séparés par une suture très profonde. Ombilic large, occupant 30 % du diamètre (D/U = 3,33). Sculpture axiale constituée de côtes sigmoïdes, lamelleuses, espacées de 90 µm environ, au nombre de 77 sur le dernier tour, et de très fins costules très serrés, au nombre de six à huit par intervalle entre les côtes principales; microsculpture spirale indistincte, mais dont le croisement avec les costules axiaux produit une très fine réticulation. Ouverture semicirculaire, péristome non continu, prosocline, pourvue dune lamelle pariétale simple, très basse, visible aussi loin que lon peut observer dans louverture. Couleur délavée, blanc crayeux avec quelques indices de flammules brunes.</paragraph>
<paragraph id="8BA518728F69FFC330E3EB6FFCA00568" blockId="13.[677,1206,557,615]" box="[677,797,557,582]" pageId="13" pageNumber="702">
<emphasis id="B96EC4608F69FFC330E3EB6FFCA00568" box="[677,797,557,582]" italics="true" pageId="13" pageNumber="702">Dimensions</emphasis>
</paragraph>
<paragraph id="8BA518728F69FFC330E3EB0FFB0B0549" blockId="13.[677,1206,557,615]" box="[677,1206,589,615]" pageId="13" pageNumber="702">
H ≈
<quantity id="4CE2B5978F69FFC33090EB0FFC850549" box="[726,824,589,615]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="13" pageNumber="702" unit="mm" value="1.2">1,20 mm</quantity>
(apex endommagé); D =
<quantity id="4CE2B5978F69FFC3360AEB0FFB0E0549" box="[1100,1203,589,615]" metricMagnitude="-3" metricUnit="m" metricValue="2.4" pageId="13" pageNumber="702" unit="mm" value="2.4">2,40 mm</quantity>
.
</paragraph>
<paragraph id="8BA518728F69FFC330E3EBCFFC95058B" blockId="13.[677,1210,653,1703]" box="[677,808,653,679]" pageId="13" pageNumber="702">REMARQUES</paragraph>
<paragraph id="8BA518728F69FFC030E3EBEFFDFA03C9" blockId="13.[677,1210,653,1703]" lastBlockId="14.[114,646,1197,1255]" lastPageId="14" lastPageNumber="703" pageId="13" pageNumber="702">
Solem (1983) avait exprimé sa réticence à établir le nouveau genre
<taxonomicName id="4C1A63F18F69FFC33100EB8FFC2D05C9" authorityName="Solem &amp; Cooke" authorityYear="1976" box="[838,912,717,743]" class="Gastropoda" family="Endodontidae" genus="Rikitea" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="genus">
<emphasis id="B96EC4608F69FFC33100EB8FFC2D05C9" box="[838,912,717,743]" italics="true" pageId="13" pageNumber="702">Rikitea</emphasis>
</taxonomicName>
sur la base dun unique spécimen endommagé; nos propres réticences nous conduisent aujourdhui à classer dans ce genre, faute de mieux, la coquille décrite ci-dessus. Trois individus de lespèce-type
<taxonomicName id="4C1A63F18F69FFC331FAEA0FFB9A0449" box="[956,1063,845,871]" class="Gastropoda" family="Endodontidae" genus="Rikitea" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="species" species="insolens">
<emphasis id="B96EC4608F69FFC331FAEA0FFB9A0449" box="[956,1063,845,871]" italics="true" pageId="13" pageNumber="702">R. insolens</emphasis>
</taxonomicName>
ont été récoltés à Gatavake en 1997 et 12 autres à Taravai; ils confirment les caractères de lholotype, seul individu connu de Solem lorsquil a établi le genre et lespèce:
<taxonomicName id="4C1A63F18F69FFC33141EA8FFC1904C9" box="[775,932,973,999]" class="Gastropoda" family="Endodontidae" genus="Rikitea" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="species" species="insolens">
<emphasis id="B96EC4608F69FFC33141EA8FFC1904C9" box="[775,932,973,999]" italics="true" pageId="13" pageNumber="702">Rikitea insolens</emphasis>
</taxonomicName>
est caractérisée par un très grand ombilic, une lamelle pariétale unique, très forte, et de fortes côtes axiales très espacées.
<taxonomicName id="4C1A63F18F69FFC33638ED4FFD430368" authorityName="Abdou &amp; Bouchet" authorityYear="2000" class="Gastropoda" family="Endodontidae" genus="Rikitea" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="species" species="tapinoptyx">
<emphasis id="B96EC4608F69FFC33638ED4FFD430368" italics="true" pageId="13" pageNumber="702">R. tapinoptyx</emphasis>
</taxonomicName>
sen distingue aisément par la finesse des côtes axiales et lombilic plus étroit, et au fond cest uniquement la barrière aperturale réduite à une lamelle pariétale qui nous conduit à la rapprocher de
<taxonomicName id="4C1A63F18F69FFC330B8EDEFFCF303E9" authorityName="Solem &amp; Cooke" authorityYear="1976" box="[766,846,1197,1223]" class="Gastropoda" family="Endodontidae" genus="Rikitea" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="genus">
<emphasis id="B96EC4608F69FFC330B8EDEFFCF303E9" box="[766,846,1197,1223]" italics="true" pageId="13" pageNumber="702">Rikitea</emphasis>
</taxonomicName>
. En fait, labsence des premiers tours de spire ne permet même pas dexclure que lespèce appartienne en fait à la famille des
<taxonomicName id="4C1A63F18F69FFC330E3EC4FFC9B0209" box="[677,806,1293,1319]" class="Gastropoda" family="Charopidae" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="family">Charopidae</taxonomicName>
, classiquement considérée comme dépourvue de barrière aperturale, mais dont Solem (1983) a montré que certains genres (tels que
<taxonomicName id="4C1A63F18F69FFC330E3EC2FFCB802A9" authorityName="Solem" authorityYear="1983" box="[677,773,1389,1415]" class="Gastropoda" family="Charopidae" genus="Lagivala" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="genus">
<emphasis id="B96EC4608F69FFC330E3EC2FFCB802A9" box="[677,773,1389,1415]" italics="true" pageId="13" pageNumber="702">Lagivala</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1A63F18F69FFC33155EC2FFCD202A9" authorityName="Solem" authorityYear="1983" box="[787,879,1389,1415]" class="Gastropoda" family="Charopidae" genus="Vatusila" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="genus">
<emphasis id="B96EC4608F69FFC33155EC2FFCD202A9" box="[787,879,1389,1415]" italics="true" pageId="13" pageNumber="702">Vatusila</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1A63F18F69FFC33138EC2FFC4502A9" authorityName="Solem" authorityYear="1983" box="[894,1016,1389,1415]" class="Gastropoda" family="Charopidae" genus="Graeffedon" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="genus">
<emphasis id="B96EC4608F69FFC33138EC2FFC4502A9" box="[894,1016,1389,1415]" italics="true" pageId="13" pageNumber="702">Graeffedon</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1A63F18F69FFC33641EC2FFBE402A8" authorityName="Solem" authorityYear="1983" box="[1031,1113,1389,1414]" class="Gastropoda" family="Charopidae" genus="Lauopa" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="genus">
<emphasis id="B96EC4608F69FFC33641EC2FFBE402A8" box="[1031,1113,1389,1414]" italics="true" pageId="13" pageNumber="702">Lauopa</emphasis>
</taxonomicName>
, tous de Solem, 1983) sont pourvus de barrières aperturales bien développées. Toutefois, tous ces genres sont présents beaucoup plus à lOuest dans le Pacifique et le seul genre de
<taxonomicName id="4C1A63F18F69FFC3318FECAFFBFA0129" box="[969,1095,1517,1543]" class="Gastropoda" family="Charopidae" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="family">Charopidae</taxonomicName>
présent en Polynésie (Solem 1983; Preece 1995),
<taxonomicName id="4C1A63F18F69FFC33612EF4FFC8C0169" authority="Solem, 1983" authorityName="Solem" authorityYear="1983" class="Gastropoda" family="Charopidae" genus="Sinployea" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="genus">
<emphasis id="B96EC4608F69FFC33612EF4FFB040109" box="[1108,1209,1549,1575]" italics="true" pageId="13" pageNumber="702">Sinployea</emphasis>
Solem, 1983
</taxonomicName>
, est dépourvu de barrière aperturale. Lappartenance même de
<taxonomicName id="4C1A63F18F69FFC33185EF0FFBD40149" box="[963,1129,1613,1639]" class="Gastropoda" family="Endodontidae" genus="Rikitea" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="species" species="insolens">
<emphasis id="B96EC4608F69FFC33185EF0FFBD40149" box="[963,1129,1613,1639]" italics="true" pageId="13" pageNumber="702">Rikitea insolens</emphasis>
</taxonomicName>
à la famille des
<taxonomicName id="4C1A63F18F69FFC3314EEF2FFC1F01A9" box="[776,930,1645,1671]" class="Gastropoda" family="Endodontidae" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="702" phylum="Mollusca" rank="family">Endodontidae</taxonomicName>
demande à être confirmée par les caractères de la sculpture de la protoconque (usée chez tous les exemplaires examinés) et nest ici suivie que sur lautorité de Solem (1983).
</paragraph>
</subSubSection>
</treatment>
</document>