Annales de Paleontologie最新文献

{"title":"Brachiopodes toarciens de la coupe d’Aït Athmane, Haut Atlas centro-oriental (Maroc)","authors":"Mohamed Benzaggagh ,&nbsp;Mariusz A. Salamon ,&nbsp;Hanane Khaffou ,&nbsp;Touria Hssaida ,&nbsp;Mohamed El Ouali ,&nbsp;Badre Essafraoui","doi":"10.1016/j.annpal.2022.102572","DOIUrl":"10.1016/j.annpal.2022.102572","url":null,"abstract":"<div><p>The Aït Athmane section is located in the eastern part of the central High Atlas, about 20<!--> <!-->km north of Errachidia. Its Toarcian series consists of silty marl and silty marly limestone. Its lower part, of early (Levisoni Zone?) to middle Toarcian (Bifrons and Gradata? Zones) age, is rich in brachiopods (rhynchonellides and terebratulides). Its upper part, of late Toarcian age, is rich in terebratulids. Among eighteen reported brachiopod taxa, six are new for the central High Atlas. Their specific assemblages and stratigraphic distributions are similar to those of the Toarcian brachiopods reported from several basins of northern and southern margins of the Tethys and the Subboreal domain, particularly of western France.</p></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"108 4","pages":"Article 102572"},"PeriodicalIF":1.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46682654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Crassatella baudeti (Coquand, 1862) du Cénomanien de Batna (NE algérien) : paléobiogéographie, paléoécologie et biostratigraphie","authors":"Riadh Aouissi ,&nbsp;Sihem Salmi-Laouar ,&nbsp;Izzet Hoşgör","doi":"10.1016/j.annpal.2022.102569","DOIUrl":"10.1016/j.annpal.2022.102569","url":null,"abstract":"<div><p>The lower Cenomanian strata from the Batna region (NE Algeria) constitute the richest and most diversified deposits in terms of macro-invertebrates, mainly dominated by bivalves both in terms of specimens and taxa. Among them, Crassatellidae are restricted to the lower Cenomanian stratigraphical levels. They are represented by the single species <em>Crassatella baudeti</em>. The species is easily distinguished by its flattened boat anchor shape and quite strong commarginal lamellae, and is very abundant. It is present in levels ranging from <em>Sharpeiceras schlueteri</em> Subzone to <em>Cunningtoniceras inerme</em> Zone. The species is, therefore, a good marker of the last levels of the lower Cenomanian and the beginning of the midlle Cenomanian. A precise palaeontological description and an environmental discussion were conducted. Thus, <em>Cr. baudeti</em> would be indicative of a shallow environment, with cold but calm waters, normal salinity and moderately soft substrate. Recorded exclusively from the Cenomanian of a few Tethys localities, the exclusive presence of <em>Cr. baudeti</em> reflects a specific thermal gradient and climatic zonation.</p></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"108 3","pages":"Article 102569"},"PeriodicalIF":1.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44777865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The heteromorph ammonite genus Ammonitoceras Dumas, 1876 (Ancyloceratidae) in the lower Aptian (Lower Cretaceous) of the Les Ferres Aptian Basin (southeastern France)","authors":"Stéphane Bersac ,&nbsp;Didier Bert","doi":"10.1016/j.annpal.2022.102570","DOIUrl":"10.1016/j.annpal.2022.102570","url":null,"abstract":"<div><p><em>Ammonitoceras</em><span> Dumas, 1876 is a genus of heteromorph ammonites characterized by the presence of a peculiar ontogenetic stage in its inner whorls: the </span><em>Ammonitoceras</em> stage. But in spite of its wide paleogeographic and biostratigraphic extension throughout the Aptian (Lower Cretaceous), this genus remains poorly known. In the present work we study specimens of <em>Ammonitoceras</em> from the lower Aptian <em>Deshayesites multicostatus</em> (<em>Deshayesites deshayesi</em> Zone) to <em>Dufrenoyia furcata</em> (<em>Dufrenoyia furcata</em> Zone) subzones of the Les Ferres Aptian Basin (southeastern France). The results are as follows: (1) representatives of <em>Ammonitoceras</em> from this area are regarded dimorphic with criocone macroconchs and ancylocone microconchs, (2) their ontogenetic sequence is described, (3) their intraspecific variability is significant and concerns the adult size and the duration of the ontogenetic stages, especially the <em>Ammonitoceras</em> stage, (4) two species are recognized: the earlier <em>Ammonitoceras ucetiae</em> Dumas, 1876, characterized by a brief <em>Ammonitoceras</em> stage on average, and the latter <em>Ammonitoceras lahuseni</em> (Sinzow, 1906), characterized by a longer <em>Ammonitoceras</em> stage on average. The sample of the <em>Deshayesites grandis</em> Subzone (<em>Deshayesites deshayesi</em> Zone) is composed of specimens too fragmentary to be identified at species level.</p></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"108 3","pages":"Article 102570"},"PeriodicalIF":1.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41280980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A new anaxyelid wood wasp (Hymenoptera: ‘Symphyta’) from the mid-Cretaceous Burmese amber","authors":"Corentin Jouault ,&nbsp;Gi-Soo Nam ,&nbsp;Alexandr P. Rasnitsyn","doi":"10.1016/j.annpal.2022.102568","DOIUrl":"10.1016/j.annpal.2022.102568","url":null,"abstract":"<div><p><span>A new genus<span> and species of anaxyelid wasp is described and figured from the mid-Cretaceous Burmese amber as </span></span><em>Curvitexis kopylovi</em> gen. et sp. nov. The placement of this new genus within the Anaxyelidae is corroborated by its wing venation and the configuration of its mesosoma. This new genus differs from all other Syntexinae from the mid-Cretaceous Burmese amber biota, <em>inter alia</em>, owing to its forewing with the vein 1Rs curved and longer than 1M, the crossvein 1r-rs absent, the vein 2Rs<!--> <!-->+<!--> <!-->M present; the hind wing with the abscissa 2M<!--> <!-->+<!--> <!-->Cu present, the vein m-cu absent, and the cell r closed. The recently described <em>Paraxiphydria resinata</em> Gao et al., 2022 is transferred to Anaxyelidae: Syntexinae, and the subfamily Paraxiphydriinae Gao et al., 2022 is synonymized under Syntexinae.</p></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"108 3","pages":"Article 102568"},"PeriodicalIF":1.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48291971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"First description of the most complete Metriorhynchus aff. superciliosus (Thalattosuchia) specimen from the Callovian of the Vaches-Noires cliffs (Normandy, France) and limitations in the classification of Metriorhynchidae","authors":"Jonas Le Mort ,&nbsp;Jeremy E. Martin ,&nbsp;Laurent Picot ,&nbsp;Stéphane Hua","doi":"10.1016/j.annpal.2022.102539","DOIUrl":"10.1016/j.annpal.2022.102539","url":null,"abstract":"<div><p>The metriorhynchids from the Jurassic of Normandy have been known since the 19th century. However, the remains studied until now have rarely been found in anatomical connection. The acquisition of specimen MPV 2010.3.610 that was found in the Callovian of Vaches-Noires cliffs by the Paleospace Museum in 2010, allowed the first description of the most complete Metriorhynchidae from this locality so far. The analysis of this Metriorhynchidae raises questions about the taxonomic value of several criteria currently used to distinguish between the different Callovian and Oxfordian species. The study of the cranial and postcranial elements shows that this specimen presents diagnostic criteria of different Metriorhynchidae such as the shape of the prefrontals, the mandible, the palato-maxillary suture, the atlas/axis, the cervical vertebrae as well as the extension of the jugal bone and the morphology of the teeth. A discussion highlights the limitations of the current classification of Metriorhynchidae.</p></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"108 3","pages":"Article 102539"},"PeriodicalIF":1.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46455831","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hypowaagenia? bodenbenderi (Behrendsen): A rare aspidoceratid ammonite from the Tithonian of the Neuquén Basin, Argentina","authors":"Horacio Parent ,&nbsp;Günter Schweigert ,&nbsp;Armin Scherzinger ,&nbsp;Alberto C. Garrido","doi":"10.1016/j.annpal.2022.102571","DOIUrl":"10.1016/j.annpal.2022.102571","url":null,"abstract":"<div><p>Among the ammonite collection from the Neuquén and Mendoza provinces made by G. Bodenbender, stands <em>Aspidoceras</em> <em>bodenbenderi</em> Behrendsen. This rare aspidoceratid is assigned to the lower Alternans Zone because of the associated <em>Parodontoceras calistoides</em> (Behrendsen), and can be most likely attributed to the recently established genus <em>Hypowaagenia</em> Schweigert &amp; Schlampp.</p></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"108 3","pages":"Article 102571"},"PeriodicalIF":1.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49293470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Crinoids from the Ouarsenis Massif (Algeria) fill the Lower Cretaceous (Berriasian and Valanginian) gap of northern Africa","authors":"Madani Benyoucef ,&nbsp;Bruno Ferré ,&nbsp;Bartosz J. Płachno ,&nbsp;Imad Bouchemla ,&nbsp;Mariusz A. Salamon","doi":"10.1016/j.annpal.2022.102555","DOIUrl":"10.1016/j.annpal.2022.102555","url":null,"abstract":"<div><p>The Ouarsenis Massif belongs to the Algerian Tell domain, which is considered as the eastern part of the Maghrebian Tethys former margin. The Berriasian-Valanginian Oued Fodda Formation outcropping in the Kef Aïn El Hadjela section, at the foot of the great peak of the Ouarsenis Massif, is composed of marls and laminated and bioturbated limestone alternations. The marl facies reveals diverse microfauna, including crinoids. These latter are represented by: Isocrinida [isocrinids <em>Balanocrinus</em> cf. <em>gillieroni</em> (de Loriol), <em>Percevalicrinus aldingeri</em> Klikushin, <em>Isocrinus</em>? <em>lissajouxi</em> (de Loriol)], Cyrtocrinida [cyrtocrinids (<em>Phyllocrinus</em> sp., <em>Hemibrachiocrinus</em> sp.)], and Roveacrinida gen. indet. sp. indet. [roveacrinids]. All these, with exception of roveacrinids and phyllocrinids, are noted for the first time from Algeria and African continent (southern margin of Tethys in the Maghreb). Knowledge on Cretaceous crinoids formerly described from Algeria is presented. It is also shown that crinoid assemblage and associated invertebrates are typical for relatively shallow, distal depositional setting situated below storm wave base.</p></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"108 2","pages":"Article 102555"},"PeriodicalIF":1.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41555170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Les palynomorphes du Bajocien supérieur : un premier PALYNO-DATA pour les Monts de Rhar Roubane (Algérie nord occidentale)","authors":"Assia Khellas ,&nbsp;Abbas Marok ,&nbsp;Louisa Samar","doi":"10.1016/j.annpal.2022.102542","DOIUrl":"10.1016/j.annpal.2022.102542","url":null,"abstract":"<div><p>Apart from the few works carried out in the North Tethyan basins, the palynological study of Mesozoic outcrops is still rare. Thus, the present study devoted to the Zahra Marls Formation (upper Bajocian) of the Rhar Roubane Mountains (northwestern Algeria), allowed us for the first time to inventory 44 different taxa. The palynological assemblages studied are strongly dominated by trilete spores (17 genera and 26 species), the most abundant of which are <em>Concavissimisporites variverrucatus</em>, <em>Cyathidites australis</em> and <em>Cyathidites minor</em>. Pollen grains are relatively frequent (10 genera and 16 species), while acritarchs and algae are represented by only two taxa (<em>Micrhystridium</em> sp. and <em>Botryococcu</em>s sp.). In addition, the sporopollinic spectra dominated by the terrestrial elements are represented mainly by the spores of Pteridophyta and Bryophyta and gymnosperm pollen.</p></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"108 2","pages":"Article 102542"},"PeriodicalIF":1.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48669142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Quantitative analysis of horizontal bioturbation from Brioverian (Ediacaran - Fortunian) deposits of Brittany (Armorican Massif, NW of France)","authors":"Baptiste Coutret ,&nbsp;Didier Néraudeau","doi":"10.1016/j.annpal.2022.102543","DOIUrl":"10.1016/j.annpal.2022.102543","url":null,"abstract":"<div><p><span>Ediacaran-Cambrian bioturbation on bedding planes provides physical and chemical data about the environmental conditions and biological activities of early metazoans. We propose a quantitative method to estimate horizontal disruption of the substrate using bedding-plane trace fossils from Brioverian deposits. This methodology provides the first quantitative analysis of the trace fossil assemblage from the Armorican Massif (Brittany, NW of France). The Ediacaran-Cambrian transition within the Brioverian series is characterized by the abundance of simple and horizontal trace fossils such as </span><em>Helminthopsis, Helminthoidichnites</em>, and <em>Palaeophycus</em> as well as rare <em>Gordia</em> and <em>Spirodesmos</em>. Recent U-Pb dating has been carried out on detrital zircon grains from the upper Brioverian series suggesting a late Ediacaran to Fortunian age of the fossiliferous deposits (ca. 550 to 530 Ma). With Arc-Gis software, we use a semi-quantitative approach to estimate the relative 2D bioturbation rate recorded on bedding planes. The dataset is used to discuss the feeding strategies and how the seafloor ecospace was colonized by the early bilaterian metazoans. This approach combines new values such as: the length of a trace fossil, the surface of a trace, the cumulative length, and the cumulative surfaces from all of the ichnofossils recorded on the same slate surface, to finally suggest that the bioturbation rate of the microbial grazers impacted the use of the seafloor ecospaces and feeding strategies through the biomats.</p></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"108 2","pages":"Article 102543"},"PeriodicalIF":1.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48169207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ammonites du Toarcien du Haut Atlas central (Maroc)","authors":"Mohamed Benzaggagh ,&nbsp;Hanane Khaffou ,&nbsp;Mariusz A. Salamon ,&nbsp;Touria Hssaida ,&nbsp;Mohamed El Ouali ,&nbsp;Badre Essafraoui","doi":"10.1016/j.annpal.2022.102540","DOIUrl":"10.1016/j.annpal.2022.102540","url":null,"abstract":"<div><p>In the central High Atlas, the Toarcian Stage is represented by a marl and marly limestone series of variable thickness. Two sections have been studied: Amellago (500<!--> <!-->m) and Aït Athmane (100<!--> <!-->m). Ammonites from the two sections allowed to characterize the Polymorphum, Levisoni, Bifrons, Gradata, and Speciosum zones. The Polymorphum Zone provided, among others: <em>Dactylioceras</em> (<em>Eodactylites</em>) <em>mirabile</em>, <em>D.</em> (<em>E</em>.) <em>pseudocommune</em>, <em>Dactylioceras</em> (<em>Orthodactylites</em>) aff. <em>crosbeyi</em> and <em>Neolioceratoides</em> aff. <em>hoffmanni</em>; the Levisoni Zone provided a rich ammonite fauna composed of, <em>Calliphylloceras nilssoni</em>, <em>Dactylioceras</em> (<em>Orthodactylites</em>) cf. <em>semiannulatum</em>, <em>Eleganticeras exaratum</em>, <em>Harpoceras falciferum</em>, <em>H. pseudoserpentinum</em>, <em>H. serpentinum</em>, <em>H. subplanatum</em>, <em>Hildaites</em> cf. <em>forte</em>, <em>H. levisoni</em>, <em>H.</em> cf. <em>serpentiniformis</em>, <em>H.</em> cf. <em>subserpentinus</em>, <em>H. striatus</em>, <em>H. wrighti</em>, <em>L</em><em>ytoceras siemensi</em>, <em>Lytoceras</em> sp., <em>Maconiceras soloniacense</em>, <em>Phylloceras</em> sp., <em>Polyplectus pluricostatum</em> et <em>Polyplectus</em> sp.; the Bifrons Zone provided <em>Eleganticeras</em> sp., <em>Harpoceras subplanatum?</em>, <em>Hildoceras bifrons</em>, <em>H. lusitanicum</em>, <em>H. semipolitum</em>, <em>H. sublevisoni</em>, <em>Hildoceras</em> sp., <em>Porpoceras</em> gr. <em>vortex</em> <em>–</em> <em>verticosum</em>; the Gradata Zone was characterized by <em>Pseudocrassiceras bayani</em>, <em>P. frantzi</em>, <em>Pseudocrassiceras</em> sp., <em>Pseudocrassiceras</em> sp. indet.; and the Speciosum Zone provided an <em>Hammatoceras</em> aff. <em>insigne</em>. These species have been described and illustrated for the first time for the central High Atlas. Most of them are common to several basins of the north Tethyan margin and the Subboreal Domain of NW Europe.</p></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"108 2","pages":"Article 102540"},"PeriodicalIF":1.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43343957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}