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<document id="70E038B0B1B488A6D9F8434F8956B562" ID-CLB-Dataset="31257" ID-DOI="10.5252/g2017n2a3" ID-GBIF-Dataset="f9e855d7-6356-4312-8dbe-c3dd884d6277" ID-Zenodo-Dep="1069848" ID-ZooBank="F4D33955-5823-49E9-BC9A-26DFB03038A7" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1512342755744" checkinUser="plazi" docAuthor="Musavu Moussavou, Benjamin" docDate="2017" docId="03A9D86FFA7EFFDD3C84951B5DBD91FC" docLanguage="en" docName="Geodiversitas.39.2.213-224.pdf" docOrigin="Geodiversitas 39 (2)" docStyle="DocumentStyle:4DA100580BA89F561A6D37CADC50A8FD.3:Geodiversitas.2015-2017.journal_article.type2" docStyleId="4DA100580BA89F561A6D37CADC50A8FD" docStyleName="Geodiversitas.2015-2017.journal_article.type2" docStyleVersion="3" docTitle="Gyrostrea delettrei" docType="treatment" docVersion="9" lastPageNumber="218" masterDocId="FF90A017FA7BFFD83F2C974359749712" masterDocTitle="Systematics, palaeoecology and taphonomy of Turonian oysters from the northern Gabon Coastal Basin" masterLastPageNumber="224" masterPageNumber="213" pageNumber="218" updateTime="1698506353482" updateUser="ExternalLinkService">
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<mods:title id="E33AA881843394513EF0B1A80DF6C392">Systematics, palaeoecology and taphonomy of Turonian oysters from the northern Gabon Coastal Basin</mods:title>
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<treatment id="03A9D86FFA7EFFDD3C84951B5DBD91FC" ID-DOI="http://doi.org/10.5281/zenodo.4536463" ID-GBIF-Taxon="137584602" ID-Zenodo-Dep="4536463" LSID="urn:lsid:plazi:treatment:03A9D86FFA7EFFDD3C84951B5DBD91FC" httpUri="http://treatment.plazi.org/id/03A9D86FFA7EFFDD3C84951B5DBD91FC" lastPageNumber="218" pageId="5" pageNumber="218">
<subSubSection id="C31A3AF2FA7EFFDD3C84951B5C409561" box="[936,1332,599,627]" pageId="5" pageNumber="218" type="nomenclature">
<paragraph id="8BBF6979FA7EFFDD3C84951B5C409561" blockId="5.[936,1332,599,658]" box="[936,1332,599,627]" pageId="5" pageNumber="218">
<heading id="D0F7DE15FA7EFFDD3C84951B5C409561" box="[936,1332,599,627]" centered="true" fontSize="11" level="4" pageId="5" pageNumber="218" reason="4">
<taxonomicName id="4C0012FAFA7EFFDD3C84951B5C409561" authority="(Coquand, 1862)" baseAuthorityName="Coquand" baseAuthorityYear="1862" box="[936,1332,599,627]" class="Bivalvia" family="Gryphaeidae" genus="Gyrostrea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="5" pageNumber="218" phylum="Mollusca" rank="species" species="delettrei">
<emphasis id="B974B56BFA7EFFDD3C84951B5D1B9560" bold="true" box="[936,1135,599,626]" italics="true" pageId="5" pageNumber="218">Gyrostrea delettrei</emphasis>
(
<bibRefCitation id="EF911488FA7EFFDD3B52951B5C589561" author="COQUAND H. M." bookContentInfo="343 p." box="[1150,1324,600,627]" journalOrPublisher="Geologie et paleontologie de la region sud de la province de Constantine. Arnaud, Marseille" pageId="5" pageNumber="218" refString="COQUAND H. M. 1862. - Geologie et paleontologie de la region sud de la province de Constantine. Arnaud, Marseille, 343 p." type="book" year="1862">Coquand, 1862</bibRefCitation>
)
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C31A3AF2FA7EFFDD3B00953B5DC49580" box="[1068,1200,632,658]" pageId="5" pageNumber="218" type="description">
<paragraph id="8BBF6979FA7EFFDD3B00953B5DC49580" blockId="5.[936,1332,599,658]" box="[1068,1200,632,658]" pageId="5" pageNumber="218">
<heading id="D0F7DE15FA7EFFDD3B00953B5DC49580" box="[1068,1200,632,658]" centered="true" fontSize="11" level="4" pageId="5" pageNumber="218" reason="1">
(
<figureCitation id="133B75FCFA7EFFDD3B19953B5D079580" box="[1077,1139,632,658]" captionStart="FIG" captionStartId="6.[132,143,1775,1793]" captionTargetBox="[132,1455,214,1729]" captionTargetId="figure@6.[132,1455,214,1729]" captionTargetPageId="6" captionText="FIG. 4. — A-D, Ostrea sp. D: A, B, MDG/LBV/Lm-33.1; C, D, MDG/LBV/Lm-33.2; E, Ostrea sp. C MDG/LBV/Lm-32.1; F, Gyrostrea sp. B MDG/LBV/Lm-14; G-N, Gyrostrea delettrei (Coquand,1862);G, H, MDG/LBV/Lm-12.1;I, J, MDG/LBV/Lm-12.2;K, L, MDG/LBV/Lm-12.3,M-N.MDG/LBV/Lm-12.4;O-R, Ostrea sp.B;O, P, MDG/LBV/Lm-31.1;Q, R, MDG/LBV/Lm-31.2;S-U, Ostrea sp.A,S-T.MDG/LBV/Lm-15.1;U, MDG/LBV/Lm-15.2.Scale bar:1 cm." httpUri="https://zenodo.org/record/1069856/files/figure.png" pageId="5" pageNumber="218">Fig. 4</figureCitation>
G-N)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C31A3AF2FA7EFFDD3C0195F25D3394D3" pageId="5" pageNumber="218" type="reference_group">
<paragraph id="8BBF6979FA7EFFDD3C0195F25D6E95F1" blockId="5.[813,1456,688,739]" pageId="5" pageNumber="218">
<taxonomicName id="4C0012FAFA7EFFDD3C0195F25D2B95DA" authority="Coquand, 1862" authorityName="Coquand" authorityYear="1862" box="[813,1119,688,713]" class="Bivalvia" family="Ostreidae" genus="Ostrea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="5" pageNumber="218" phylum="Mollusca" rank="species" species="delettrei">
<emphasis id="B974B56BFA7EFFDD3C0195F25ACF95DA" box="[813,955,688,712]" italics="true" pageId="5" pageNumber="218">Ostrea delettrei</emphasis>
<bibRefCitation id="EF911488FA7EFFDD3CEE95F25D2B95DA" author="COQUAND H. M." bookContentInfo="343 p." box="[962,1119,688,713]" journalOrPublisher="Geologie et paleontologie de la region sud de la province de Constantine. Arnaud, Marseille" pageId="5" pageNumber="218" refString="COQUAND H. M. 1862. - Geologie et paleontologie de la region sud de la province de Constantine. Arnaud, Marseille, 343 p." type="book" year="1862">Coquand, 1862</bibRefCitation>
</taxonomicName>
: 224, pl. 18, figs 1-7. —
<bibRefCitation id="EF911488FA7EFFDD3A4E95F25A1495F1" author="FOURTAU R." journalOrPublisher="Geological Survey of Egypt, Palaeontological Series" pageId="5" pageNumber="218" pagination="1 - 108" part="3" refString="FOURTAU R. 1917. - Catalogue des invertebres fossiles de l'Egypte representes dans la collection du Musee de Geologie au Caire. Terrains Cretaces 2 e partie: Mollusques Lamellibranches. Geological Survey of Egypt, Palaeontological Series 3: 1 - 108" title="Catalogue des invertebres fossiles de l'Egypte representes dans la collection du Musee de Geologie au Caire. Terrains Cretaces 2 e partie: Mollusques Lamellibranches" type="book chapter" year="1917">Fourtau 1917</bibRefCitation>
: 34; pl. 1, figs 1-4.
</paragraph>
<paragraph id="8BBF6979FA7EFFDD3C0195B85D0A943F" blockId="5.[813,1455,763,813]" pageId="5" pageNumber="218">
<taxonomicName id="4C0012FAFA7EFFDD3C0195B85DE19401" authority="delettrei - Pervinquiere 1912" authorityName="delettrei - Pervinquiere" authorityYear="1912" box="[813,1173,763,787]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="5" pageNumber="218" phylum="Mollusca" rank="genus">
<emphasis id="B974B56BFA7EFFDD3C0195B85AB39401" box="[813,967,763,787]" italics="true" pageId="5" pageNumber="218">Exogyra delettrei</emphasis>
<bibRefCitation id="EF911488FA7EFFDD3CCD95B85DE19401" author="PERVINQUIERE L." bookContentInfo="352 p." box="[993,1173,763,787]" journalOrPublisher="Carte geologique de la Tunisie. J. Lamarre et Cie, Paris" pageId="5" pageNumber="218" refString="PERVINQUIERE L. 1912. - Etude de la paleontologie tunisienne, II, gasteropodes et lamellibranches des terrains cretaces. Carte geologique de la Tunisie. J. Lamarre et Cie, Paris, 352 p." title="Etude de la paleontologie tunisienne, II, gasteropodes et lamellibranches des terrains cretaces." type="book" year="1912">Pervinquière 1912</bibRefCitation>
</taxonomicName>
: 186, pl. 12, figs 18,?19. —
<bibRefCitation id="EF911488FA7EFFDD3C0194565AC3943F" author="TREVISAN L." box="[813,951,789,813]" journalOrPublisher="Memoire dell'Instituto Geologico della Universita di Padova" pageId="5" pageNumber="218" pagination="1 - 132" part="12" refString="TREVISAN L. 1937. - La fauna ei giacimenti del Cenomaniano di facies Africana della Sicilia occidentale. Memoire dell'Instituto Geologico della Universita di Padova 12: 1 - 132." title="La fauna ei giacimenti del Cenomaniano di facies Africana della Sicilia occidentale" type="journal article" year="1937">Trevisan 1937</bibRefCitation>
: 74, pl. 5, figs 5-10.
</paragraph>
<paragraph id="8BBF6979FA7EFFDD3C0194065D7E9465" blockId="5.[813,1455,837,887]" pageId="5" pageNumber="218">
<taxonomicName id="4C0012FAFA7EFFDD3C0194065DC0944F" authorityName="Sacco" authorityYear="1897" box="[813,1204,837,861]" class="Bivalvia" family="Ostreidae" genus="Crassostrea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="5" pageNumber="218" phylum="Mollusca" rank="subSpecies" subSpecies="tarfayensis">
<emphasis id="B974B56BFA7EFFDD3C0194065AE6944E" box="[813,914,837,860]" italics="true" pageId="5" pageNumber="218">Crassostrea</emphasis>
(
<emphasis id="B974B56BFA7EFFDD3CB394065A83944E" box="[927,1015,837,860]" italics="true" pageId="5" pageNumber="218">Gyrostrea</emphasis>
)
<emphasis id="B974B56BFA7EFFDD3B2894065DC0944F" box="[1028,1204,837,861]" italics="true" pageId="5" pageNumber="218">delettrei tarfayensis</emphasis>
</taxonomicName>
<bibRefCitation id="EF911488FA7EFFDD3BE094065C38944F" author="FRENEIX S." box="[1228,1356,837,861]" journalOrPublisher="Notes et Memoires du Service geologique du Maroc" pageId="5" pageNumber="218" pagination="49 - 255" part="228" refString="FRENEIX S. 1972. - Les mollusques bivalves du Bassin cotier de Tarfaya (Maroc meridional). Notes et Memoires du Service geologique du Maroc 228: 49 - 255." title="Les mollusques bivalves du Bassin cotier de Tarfaya (Maroc meridional)" type="journal article" year="1972">Freneix 1972</bibRefCitation>
: 98, pl. 8, figs 5-8; pl. 9, figs 1-7.
</paragraph>
<paragraph id="8BBF6979FA7EFFDD3C0194CC5D3394D3" blockId="5.[813,1455,911,961]" pageId="5" pageNumber="218">
<taxonomicName id="4C0012FAFA7EFFDD3C0194CC5AB894B5" authorityName="Coquand" authorityYear="1862" baseAuthorityName="Coquand" baseAuthorityYear="1862" box="[813,972,911,935]" class="Bivalvia" family="Gryphaeidae" genus="Gyrostrea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="5" pageNumber="218" phylum="Mollusca" rank="species" species="delettrei">
<emphasis id="B974B56BFA7EFFDD3C0194CC5AB894B5" box="[813,972,911,935]" italics="true" pageId="5" pageNumber="218">Gyrostrea delettrei</emphasis>
</taxonomicName>
El-Sheikh
<emphasis id="B974B56BFA7EFFDD3B6D94CC5D1294B5" box="[1089,1126,911,935]" italics="true" pageId="5" pageNumber="218">et al</emphasis>
. 1998: pl. 1, fig. B. — Ayoub-Hannaa 2011: 92, pl. 8, figs 3, 4.
</paragraph>
</subSubSection>
<subSubSection id="C31A3AF2FA7EFFDD3C01949B5CC494E3" box="[813,1456,984,1009]" pageId="5" pageNumber="218" type="materials_examined">
<paragraph id="8BBF6979FA7EFFDD3C01949B5CC494E3" blockId="5.[813,1456,984,1009]" box="[813,1456,984,1009]" pageId="5" pageNumber="218">
<emphasis id="B974B56BFA7EFFDD3C01949B5AFB94FD" bold="true" box="[813,911,984,1008]" pageId="5" pageNumber="218">MATERIAL</emphasis>
. — 10 specimens (MDG/LBV/Lm-12.1 to Lm-12.10).
</paragraph>
</subSubSection>
<subSubSection id="C31A3AF2FA7EFFDD3C01934B5D139362" pageId="5" pageNumber="218" type="distribution">
<paragraph id="8BBF6979FA7EFFDD3C01934B5D139362" blockId="5.[813,1456,1032,1136]" pageId="5" pageNumber="218">
<emphasis id="B974B56BFA7EFFDD3C01934B5AC7930C" bold="true" box="[813,947,1032,1056]" pageId="5" pageNumber="218">OCCURRENCE</emphasis>
. — This species has been recorded from Cenomanian to Turonian of North Africa (
<bibRefCitation id="EF911488FA7EFFDD3B6493605D8F9329" author="PERVINQUIERE L." bookContentInfo="352 p." box="[1096,1275,1059,1083]" journalOrPublisher="Carte geologique de la Tunisie. J. Lamarre et Cie, Paris" pageId="5" pageNumber="218" refString="PERVINQUIERE L. 1912. - Etude de la paleontologie tunisienne, II, gasteropodes et lamellibranches des terrains cretaces. Carte geologique de la Tunisie. J. Lamarre et Cie, Paris, 352 p." title="Etude de la paleontologie tunisienne, II, gasteropodes et lamellibranches des terrains cretaces." type="book" year="1912">Pervinquière 1912</bibRefCitation>
;
<bibRefCitation id="EF911488FA7EFFDD3A2B93605CF39329" author="FRENEIX S." box="[1287,1415,1059,1083]" journalOrPublisher="Notes et Memoires du Service geologique du Maroc" pageId="5" pageNumber="218" pagination="49 - 255" part="228" refString="FRENEIX S. 1972. - Les mollusques bivalves du Bassin cotier de Tarfaya (Maroc meridional). Notes et Memoires du Service geologique du Maroc 228: 49 - 255." title="Les mollusques bivalves du Bassin cotier de Tarfaya (Maroc meridional)" type="journal article" year="1972">Freneix 1972</bibRefCitation>
; El- Sheikh
<emphasis id="B974B56BFA7EFFDD3C54937D5AD69347" box="[888,930,1085,1109]" italics="true" pageId="5" pageNumber="218">et al</emphasis>
. 1998; Ayoub-Hannaa 2011), Italy (
<bibRefCitation id="EF911488FA7EFFDD3A39937E5CD59344" author="TREVISAN L." box="[1301,1441,1085,1110]" journalOrPublisher="Memoire dell'Instituto Geologico della Universita di Padova" pageId="5" pageNumber="218" pagination="1 - 132" part="12" refString="TREVISAN L. 1937. - La fauna ei giacimenti del Cenomaniano di facies Africana della Sicilia occidentale. Memoire dell'Instituto Geologico della Universita di Padova 12: 1 - 132." title="La fauna ei giacimenti del Cenomaniano di facies Africana della Sicilia occidentale" type="journal article" year="1937">Trevisan 1937</bibRefCitation>
). In Gabon this is the first record.
</paragraph>
</subSubSection>
<subSubSection id="C31A3AF2FA7EFFDD3C0193D65DF8913D" pageId="5" pageNumber="218" type="description">
<paragraph id="8BBF6979FA7EFFDD3C0193D65AC993BC" blockId="5.[813,1456,1173,1583]" box="[813,957,1173,1199]" pageId="5" pageNumber="218">
<heading id="D0F7DE15FA7EFFDD3C0193D65AC993BC" allCaps="true" bold="true" box="[813,957,1173,1199]" fontSize="10" level="3" pageId="5" pageNumber="218" reason="6">
<emphasis id="B974B56BFA7EFFDD3C0193D65AC993BC" bold="true" box="[813,957,1173,1199]" pageId="5" pageNumber="218">DESCRIPTION</emphasis>
</heading>
</paragraph>
<paragraph id="8BBF6979FA7EFFDD3C0193F55DF8913D" blockId="5.[813,1456,1173,1583]" pageId="5" pageNumber="218">Shell is medium to large, inequivalve, inequilateral, elongated, subtrigonal to elliptical shape in outline. Left and right valves are respectively convex and flat. Umbo is small and opisthogyrate. Anterior margin curved into approximately semicircular shape. Posterior margin is straight or curved. Ventral margin is evenly rounded. Attachment area is rounded and large. LV ornamentation consists of radial and continuous ribs towards umbonal area where are crossing by concentric growth lamellae. Towards ventral margin, ornamentation consists only of widely spaced imbricating concentric growth lamellae separated by wide interspaces. RV is ornamented by concentric fine growth squamae.</paragraph>
</subSubSection>
<subSubSection id="C31A3AF2FA7EFFDD3C0191175DBD91FC" pageId="5" pageNumber="218" type="discussion">
<paragraph id="8BBF6979FA7EFFDD3C0191175AF3917E" blockId="5.[813,1455,1620,1774]" box="[813,903,1620,1646]" pageId="5" pageNumber="218">
<heading id="D0F7DE15FA7EFFDD3C0191175AF3917E" allCaps="true" bold="true" box="[813,903,1620,1646]" fontSize="10" level="3" pageId="5" pageNumber="218" reason="6">
<emphasis id="B974B56BFA7EFFDD3C0191175AF3917E" bold="true" box="[813,903,1620,1646]" pageId="5" pageNumber="218">REMARK</emphasis>
</heading>
</paragraph>
<paragraph id="8BBF6979FA7EFFDD3C0191375DBD91FC" blockId="5.[813,1455,1620,1774]" pageId="5" pageNumber="218">
The specimens of
<emphasis id="B974B56BFA7EFFDD3CDD91365DD8919C" box="[1009,1196,1652,1679]" italics="true" pageId="5" pageNumber="218">
<taxonomicName id="4C0012FAFA7EFFDD3CDD91365D26919D" authorityName="Mirkamalov" authorityYear="1963" box="[1009,1106,1653,1679]" class="Bivalvia" family="Gryphaeidae" genus="Gyrostrea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="5" pageNumber="218" phylum="Mollusca" rank="genus">Gyrostrea</taxonomicName>
delettrei
</emphasis>
(
<bibRefCitation id="EF911488FA7EFFDD3B9791375C1E919D" author="COQUAND H. M." bookContentInfo="343 p." box="[1211,1386,1652,1679]" journalOrPublisher="Geologie et paleontologie de la region sud de la province de Constantine. Arnaud, Marseille" pageId="5" pageNumber="218" refString="COQUAND H. M. 1862. - Geologie et paleontologie de la region sud de la province de Constantine. Arnaud, Marseille, 343 p." type="book" year="1862">Coquand, 1862</bibRefCitation>
) from Gabon Coastal Basin show some similarity to
<emphasis id="B974B56BFA7EFFDD3A2991D75CDA91BC" box="[1285,1454,1684,1710]" italics="true" pageId="5" pageNumber="218">
<taxonomicName id="4C0012FAFA7EFFDD3A2991D75C3291BC" authorityName="Linnaeus" authorityYear="1758" box="[1285,1350,1684,1710]" class="Bivalvia" family="Ostreidae" genus="Ostrea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="5" pageNumber="218" phylum="Mollusca" rank="genus">Ostrea</taxonomicName>
roachensis
</emphasis>
(
<bibRefCitation id="EF911488FA7EFFDD3C1991F65D1C91DC" author="FOURTAU R." box="[821,1128,1716,1743]" journalOrPublisher="Geological Survey of Egypt, Palaeontological Series" pageId="5" pageNumber="218" pagination="1 - 108" part="3" refString="FOURTAU R. 1917. - Catalogue des invertebres fossiles de l'Egypte representes dans la collection du Musee de Geologie au Caire. Terrains Cretaces 2 e partie: Mollusques Lamellibranches. Geological Survey of Egypt, Palaeontological Series 3: 1 - 108" title="Catalogue des invertebres fossiles de l'Egypte representes dans la collection du Musee de Geologie au Caire. Terrains Cretaces 2 e partie: Mollusques Lamellibranches" type="book chapter" year="1917">Fourtau 1917: 50, pl. 3, fig. 1</bibRefCitation>
), but differ in having a variable size shape, size of the attachment area.
</paragraph>
</subSubSection>
</treatment>
</document>