Riadh Aouissi , Sihem Salmi-Laouar , Gamal M. El Qot , Bruno Ferré
{"title":"阿尔及利亚东北部Bellezma-Aures山区塞诺曼尼亚头足类:分类和生物地层学","authors":"Riadh Aouissi , Sihem Salmi-Laouar , Gamal M. El Qot , Bruno Ferré","doi":"10.1016/j.annpal.2020.102409","DOIUrl":null,"url":null,"abstract":"<div><p>The Cenomanian Smail Marl Formation in the Bellezma and Aures mountains of northeastern Algeria is well exposed and rich in macroinvertebrates, including cephalopods. Twenty-five ammonite species and two nautiloid species from the Thénièt El Manchar, Djebel Metrassi and Djebel Bouarif sections are described and seven assemblage zones proposed as provisional working units: <em>Mantelliceras mantelli–Sharpeiceras laticlavium</em> Assemblage Zone (lower Cenomanian), <em>Mantelliceras dixoni</em> Assemblage Zone (uppermost lower Cenomanian), <em>Cunningtoniceras inerme</em> Assemblage Zone (lower middle Cenomanian), <em>Acanthoceras rhotomagense and Acanthoceras</em> cf. <em>rhotomagense</em> Assemblage Zone (middle middle Cenomanian), <em>Acanthoceras amphibolum</em> Assemblage Zone (upper middle Cenomanian), <em>Acanthoceras jukesbrownei</em> Assemblage Zone (uppermost middle Cenomanian), and <em>Neolobites vibrayeanus</em> Assemblage Zone (lower upper Cenomanian). The lower Cenomanian <em>Mantelliceras mantelli–Sharpeiceras laticlavium</em> Zone is subdivided into the <em>Submantelliceras aumalense</em>, <em>Sharpeiceras schlueteri</em> and <em>Mantelliceras saxbii</em> subzones<em>.</em> The base of the middle Cenomanian is marked by the disappearance of species of <em>Mantelliceras</em> and the appearance of the scleractinian coral <em>Aspidiscus cristatus</em> (Lamarck, 1801)<em>,</em> associated with <em>Cunningtoniceras inerme</em> (Pervinquière, 1907). The middle Cenomanian contains abundant <em>A. cristatus</em> and species of <em>Acanthoceras</em>, i.e., <em>A.</em> cf. <em>rhotomagense</em> (Defrance <em>in</em> Brongniart, 1822), <em>A. jukesbrownei</em> (Spath, 1926) and <em>A. amphibolum</em> Morrow, 1935<em>.</em> An ammonite zonal scheme is then applied to the Cenomanian exposed in the Bellezma-Aures mountains located on the southern Tethys margin in Algeria.</p></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":null,"pages":null},"PeriodicalIF":1.0000,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.annpal.2020.102409","citationCount":"6","resultStr":"{\"title\":\"Cenomanian Cephalopods of Bellezma-Aures mountains, NE Algeria: Taxonomy and biostratigraphy\",\"authors\":\"Riadh Aouissi , Sihem Salmi-Laouar , Gamal M. El Qot , Bruno Ferré\",\"doi\":\"10.1016/j.annpal.2020.102409\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The Cenomanian Smail Marl Formation in the Bellezma and Aures mountains of northeastern Algeria is well exposed and rich in macroinvertebrates, including cephalopods. Twenty-five ammonite species and two nautiloid species from the Thénièt El Manchar, Djebel Metrassi and Djebel Bouarif sections are described and seven assemblage zones proposed as provisional working units: <em>Mantelliceras mantelli–Sharpeiceras laticlavium</em> Assemblage Zone (lower Cenomanian), <em>Mantelliceras dixoni</em> Assemblage Zone (uppermost lower Cenomanian), <em>Cunningtoniceras inerme</em> Assemblage Zone (lower middle Cenomanian), <em>Acanthoceras rhotomagense and Acanthoceras</em> cf. <em>rhotomagense</em> Assemblage Zone (middle middle Cenomanian), <em>Acanthoceras amphibolum</em> Assemblage Zone (upper middle Cenomanian), <em>Acanthoceras jukesbrownei</em> Assemblage Zone (uppermost middle Cenomanian), and <em>Neolobites vibrayeanus</em> Assemblage Zone (lower upper Cenomanian). The lower Cenomanian <em>Mantelliceras mantelli–Sharpeiceras laticlavium</em> Zone is subdivided into the <em>Submantelliceras aumalense</em>, <em>Sharpeiceras schlueteri</em> and <em>Mantelliceras saxbii</em> subzones<em>.</em> The base of the middle Cenomanian is marked by the disappearance of species of <em>Mantelliceras</em> and the appearance of the scleractinian coral <em>Aspidiscus cristatus</em> (Lamarck, 1801)<em>,</em> associated with <em>Cunningtoniceras inerme</em> (Pervinquière, 1907). The middle Cenomanian contains abundant <em>A. cristatus</em> and species of <em>Acanthoceras</em>, i.e., <em>A.</em> cf. <em>rhotomagense</em> (Defrance <em>in</em> Brongniart, 1822), <em>A. jukesbrownei</em> (Spath, 1926) and <em>A. amphibolum</em> Morrow, 1935<em>.</em> An ammonite zonal scheme is then applied to the Cenomanian exposed in the Bellezma-Aures mountains located on the southern Tethys margin in Algeria.</p></div>\",\"PeriodicalId\":50780,\"journal\":{\"name\":\"Annales de Paleontologie\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.0000,\"publicationDate\":\"2020-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/j.annpal.2020.102409\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Annales de Paleontologie\",\"FirstCategoryId\":\"89\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S075339692030032X\",\"RegionNum\":4,\"RegionCategory\":\"地球科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"PALEONTOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Annales de Paleontologie","FirstCategoryId":"89","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S075339692030032X","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PALEONTOLOGY","Score":null,"Total":0}
Cenomanian Cephalopods of Bellezma-Aures mountains, NE Algeria: Taxonomy and biostratigraphy
The Cenomanian Smail Marl Formation in the Bellezma and Aures mountains of northeastern Algeria is well exposed and rich in macroinvertebrates, including cephalopods. Twenty-five ammonite species and two nautiloid species from the Thénièt El Manchar, Djebel Metrassi and Djebel Bouarif sections are described and seven assemblage zones proposed as provisional working units: Mantelliceras mantelli–Sharpeiceras laticlavium Assemblage Zone (lower Cenomanian), Mantelliceras dixoni Assemblage Zone (uppermost lower Cenomanian), Cunningtoniceras inerme Assemblage Zone (lower middle Cenomanian), Acanthoceras rhotomagense and Acanthoceras cf. rhotomagense Assemblage Zone (middle middle Cenomanian), Acanthoceras amphibolum Assemblage Zone (upper middle Cenomanian), Acanthoceras jukesbrownei Assemblage Zone (uppermost middle Cenomanian), and Neolobites vibrayeanus Assemblage Zone (lower upper Cenomanian). The lower Cenomanian Mantelliceras mantelli–Sharpeiceras laticlavium Zone is subdivided into the Submantelliceras aumalense, Sharpeiceras schlueteri and Mantelliceras saxbii subzones. The base of the middle Cenomanian is marked by the disappearance of species of Mantelliceras and the appearance of the scleractinian coral Aspidiscus cristatus (Lamarck, 1801), associated with Cunningtoniceras inerme (Pervinquière, 1907). The middle Cenomanian contains abundant A. cristatus and species of Acanthoceras, i.e., A. cf. rhotomagense (Defrance in Brongniart, 1822), A. jukesbrownei (Spath, 1926) and A. amphibolum Morrow, 1935. An ammonite zonal scheme is then applied to the Cenomanian exposed in the Bellezma-Aures mountains located on the southern Tethys margin in Algeria.
期刊介绍:
Créées par Marcellin Boule en 1905, les Annales de Paléontologie publient 4 numéros par an traitant des fossiles animaux et végétaux, dans tous les domaines de la paléontologie incluant :
-La Paléoanatomie-
La Paléohistologie-
La Morphologie fonctionnelle-
La Systématique-
L''Évolution-
La Paléoécologie
... et toute les contributions susceptibles d''améliorer la compréhension des organismes et des environnements éteints.