Annales de Paleontologie最新文献

Sclerobiont assemblage of oyster-dominated concentrations from the Tortonian (Upper Miocene) deposits of the Beni Chougrane Mountains, northwestern Algeria 阿尔及利亚西北部Beni Chougrane山脉托尔顿期（上中新世）沉积物中牡蛎为主的沉积组合

IF 0.7 4区地球科学

Annales de Paleontologie Pub Date : 2026-01-01 Epub Date: 2026-04-16 DOI: 10.1016/j.annpal.2025.102913

Imad Bouchemla , Madani Benyoucef , Fernando Muñiz , Ahmed Zeghari , Ahmed Belhadji , Carlos Neto de Carvalho , Ali Berrabah , Djamel Belloumou

{"title":"Sclerobiont assemblage of oyster-dominated concentrations from the Tortonian (Upper Miocene) deposits of the Beni Chougrane Mountains, northwestern Algeria","authors":"Imad Bouchemla , Madani Benyoucef , Fernando Muñiz , Ahmed Zeghari , Ahmed Belhadji , Carlos Neto de Carvalho , Ali Berrabah , Djamel Belloumou","doi":"10.1016/j.annpal.2025.102913","DOIUrl":"10.1016/j.annpal.2025.102913","url":null,"abstract":"<div><div>Bioerosion traces (endobionts) from the Upper Miocene (Tortonian) deposits exposed along the southern margin of the Lower Chelif Basin, northwestern Algeria, are described and interpreted. Fifteen ichnotaxa, belonging to nine ichnogenera have been identified. These include traces produced by clionid sponges (<em>Entobia</em>), endolithic bivalves (<em>Gastrochaenolites</em>), polychaete annelids (<em>Caulostrepsis</em>, <em>Maeandropolydora</em>, <em>Trypanites</em>), cirriped barnacles (<em>Anellusichnus</em>, <em>Rogerella</em>), carnivorous gastropods (<em>Oichnus</em>), and phoronid worms (<em>Talpina</em>). Epibionts are rare and represented only by balanoid barnacles and juvenile oysters. The ichnoassemblage is assigned to the <em>Entobia</em> ichnofacies, a recurrent association typical of hard substrates such as boulders and oyster shells across a wide range of temporal and spatial settings. Taphonomic attributes and bioerosion patterns indicate that the oysters inhabited a shallow, nearshore, high-energy marine environment characterised by low sedimentation rates. Following death, the shells were likely transported downslope by storm-induced currents to a deeper shelf setting. The borings appear to have formed during multiple bioerosional phases, most of which occurred post-mortem and prior to final burial during the Tortonian. This bioerosional record provides valuable insights into the palaeoenvironmental conditions of the Tortonian Blues Marls Formation in the Lower Chelif Basin.</div></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"112 1","pages":"Article 102913"},"PeriodicalIF":0.7,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147707709","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}

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IF 0.7 4区地球科学

Annales de Paleontologie Pub Date : 2026-01-01

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Early Cretaceous termite (Insecta: Blattodea) coprolites in the southern French Alps 法国阿尔卑斯山南部早白垩世白蚁（昆虫纲：白蚁科）粪化石

IF 0.7 4区地球科学

Annales de Paleontologie Pub Date : 2026-01-01 Epub Date: 2026-04-15 DOI: 10.1016/j.annpal.2026.102917

Marc Philippe , Didier Bert , Jacques-Léopold Brochier , Myette Guiomar , André Nel

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IF 0.7 4区地球科学

Annales de Paleontologie Pub Date : 2026-01-01

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First freshwater medusoids in the Permian from Africa: Implications for the palaeoenvironmental, palaeogeographic and stratigraphic distribution of Medusina atava 非洲二叠纪第一批淡水水母：对阿塔瓦水母的古环境、古地理和地层分布的启示

IF 0.7 4区地球科学

Annales de Paleontologie Pub Date : 2026-01-01 Epub Date: 2026-04-15 DOI: 10.1016/j.annpal.2026.102918

Jean-David Moreau , Naima Benaouiss , Abdelilah Tourani , Hiba Ezzahery , Sylvie Bourquin , Michel Laurin , Nour-Eddine Jalil

{"title":"First freshwater medusoids in the Permian from Africa: Implications for the palaeoenvironmental, palaeogeographic and stratigraphic distribution of Medusina atava","authors":"Jean-David Moreau , Naima Benaouiss , Abdelilah Tourani , Hiba Ezzahery , Sylvie Bourquin , Michel Laurin , Nour-Eddine Jalil","doi":"10.1016/j.annpal.2026.102918","DOIUrl":"10.1016/j.annpal.2026.102918","url":null,"abstract":"<div><div>A recent palaeontological and sedimentological prospecting conducted in the Marrakech High Atlas (Morocco) yielded fossils of Permian medusoids at Taddart (lower part of the Cham-el-Houa Siltstone Formation, Tissiyyi Basin). Some specimens show details of the radial canals and the manubrium. Based on comparisons with the European record, the specimens can be safely ascribed to <em>Medusina atava</em>. They correspond to the first Permian freshwater medusoids from Gondwana and provide crucial information for the reconstruction of equatorial ecosystems during the Permian. The specimens were fossilized in open lacustrine deposits, more specifically in high-density turbidite facies. This discovery (1) contrasts markedly with most European palaeontological sites yielding <em>M. atava</em>, where specimens are preserved in proximal lacustrine deposits formed in shallow-water, periodically emerged environments, (2) expands the palaeogeographic distribution of Permian freshwater medusoids beyond the northern hemisphere, into the equatorial zone, and (3) extends the stratigraphic range of the species <em>M. atava</em> from the early to the middle/late Permian.</div></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"112 1","pages":"Article 102918"},"PeriodicalIF":0.7,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147682229","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}

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Autaveniaster wozniaki gen. et sp. nov. a new fossil goniasterid (Asteroidea, Echinodermata), and insight on the hidden sea star diversity in the Lutetian of the Paris Basin (France) 一种新的goniasterid化石（astero总科，棘皮科），以及对巴黎盆地Lutetian地区隐藏的海星多样性的洞察（法国）

IF 0.7 4区地球科学

Annales de Paleontologie Pub Date : 2025-10-01 Epub Date: 2025-11-12 DOI: 10.1016/j.annpal.2025.102889

Théo Delemar, Loïc Villier

{"title":"Autaveniaster wozniaki gen. et sp. nov. a new fossil goniasterid (Asteroidea, Echinodermata), and insight on the hidden sea star diversity in the Lutetian of the Paris Basin (France)","authors":"Théo Delemar, Loïc Villier","doi":"10.1016/j.annpal.2025.102889","DOIUrl":"10.1016/j.annpal.2025.102889","url":null,"abstract":"<div><div>A fossil goniasterid (Asteroidea, Echinodermata) from the lower Lutetian glauconitic sands of the Authevernes-Vesly quarry (Eure, France) defines a new species, <em>Autavesniaster</em> <em>wozniaki</em> gen. et sp. nov. This is the first discovery of a nearly complete starfish fossil from the Eocene of the Paris Basin, whereas isolated marginal plates are relatively common in these deposits. This fragmentary material is often identified as “<em>Teichaster</em>” <em>poritoides</em> (Des Moulins, 1832) in the literature and institutional paleontological collections. A review of these isolated marginals reveals that the name “<em>Teichaster</em>” <em>poritoides</em> also includes remains of <em>Autavesniaster</em> <em>wozniaki</em> gen. et sp. nov., <em>Metopaster</em> sp., “<em>Metopaster</em>” <em>besanconi</em> Valette, 1925, and “<em>Pycinaster</em>” <em>grignonensis</em> Valette, 1924. The available material for these species remains insufficient to revise the generic attributions. Although “<em>Teichaster</em>” <em>poritoides</em> is widely reported across Europe, the name should be restricted to a species that appears to be endemic to the Paris Basin in the Eocene.</div></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"111 4","pages":"Article 102889"},"PeriodicalIF":0.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145486406","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}

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Cryptic fauna in nautiloid shells from the Ordovician of Estonia 爱沙尼亚奥陶纪鹦鹉螺壳中的隐蔽动物群

IF 0.7 4区地球科学

Annales de Paleontologie Pub Date : 2025-10-01 Epub Date: 2025-11-12 DOI: 10.1016/j.annpal.2025.102903

Olev Vinn , Oive Tinn , Liisa Lang , Mare Isakar , Magdy El Hedeny , Abdullah A. Alkahtane , Saleh Alfarraj

{"title":"Cryptic fauna in nautiloid shells from the Ordovician of Estonia","authors":"Olev Vinn , Oive Tinn , Liisa Lang , Mare Isakar , Magdy El Hedeny , Abdullah A. Alkahtane , Saleh Alfarraj","doi":"10.1016/j.annpal.2025.102903","DOIUrl":"10.1016/j.annpal.2025.102903","url":null,"abstract":"<div><div>The Middle Ordovician cryptic encrusting community was numerically dominated by bryozoans (66.7%), followed by cornulitids (26.7%) and graptolites (6.6%). Bryozoans also occupied the largest encrustation area. Similarly, the Late Ordovician cryptic encrusting community was dominated by bryozoans (60%), while cornulitids (30%), brachiopods (8%), and graptolites (2%) formed a minor part of the community. In the studied samples, the disparity of Upper Ordovician cryptic encrusting fauna (including Bryozoa, Brachiopoda, Tentaculita, and Hemichordata) was greater than that of the Middle Ordovician, which consisted of Bryozoa, Hemichordata, and Tentaculita. There appears to be an increase in the maximum encrustation density within nautiloid shell interiors from the Darriwilian to the Katian. Additionally, a statistically significant increase in the percentage of encrusted nautiloid interiors from the Darriwilian to the Katian suggests a growing prevalence of cryptic encrusters over time. The increase was likely driven more by the evolutionary diversification of encrusting taxa than by the warming climate during the Katian in Baltica.</div></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"111 4","pages":"Article 102903"},"PeriodicalIF":0.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145486408","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}

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A chelonioid turtle with a long, upward curved, lower jaw beak, phosphates of Morocco, Paleocene-Eocene transition 一种具有长而向上弯曲的下颌喙的类龟，产于摩洛哥的磷酸盐，古新世-始新世过渡时期

IF 0.7 4区地球科学

Annales de Paleontologie Pub Date : 2025-10-01 Epub Date: 2025-11-25 DOI: 10.1016/j.annpal.2025.102901

France de Lapparent de Broin , Xabier Murelaga , Renaud Vacant

{"title":"A chelonioid turtle with a long, upward curved, lower jaw beak, phosphates of Morocco, Paleocene-Eocene transition","authors":"France de Lapparent de Broin , Xabier Murelaga , Renaud Vacant","doi":"10.1016/j.annpal.2025.102901","DOIUrl":"10.1016/j.annpal.2025.102901","url":null,"abstract":"<div><div>The turtle <em>Marocokatognathus jimenezi</em> n. g., n. sp., known by a dentary, unique by its long, narrow and upward curved beak, is defined as Chelonioidea, not Dermochelyoidea. The morphology of the dentary indicates its skull had a secondary palate. By comparison with Chelonioid turtles, the variations of that structure are classified here in morphotypes, of practical taxonomical use and partly of phyletic incidence, notably as a Chelonioidea member. The new fossil is attributed to Cheloniidae and related to extant forms by: - its general dentary morphology including a Carettine shape of the bony triturating surface and the same relative proportions of distances between structural elements (posterior border of the symphysis, coronoid process, foramen mentale, in relation to corresponding skull structures); - the assignation to a same morphotype 1 of secondary palate, by an elongated snout for an elongated lower jaw, the choanal border anterior to palatine fossae, palate not developed beyond ca. two thirds of the snout length, correlatively preserving long dentary branches anteriorly and posteriorly to the coronoid process; - and overall by the posterior implantation of the mandibular ramphotheca on the mandibular symphysis with a medial symphyseal facet, specific of extant Cheloniidae. The possible diet and prey capture processes are examined, proposing a seizure of various prey of shape adapted to the narrow and long beak, followed immediately by their aspiration and swallowing. By its novelty, the new form emphasizes the great diversity of fossil turtles from Phosphates of Morocco, which are inventoried, as of the whole world.</div></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"111 4","pages":"Article 102901"},"PeriodicalIF":0.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145617999","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}

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First reliable fossil record of the family Isonychiidae (Insecta, Ephemeroptera) from Cretaceous Kachin amber 从白垩纪克钦琥珀中发现的首个可靠的异蚊科（昆虫亚目，蜉蝣目）化石记录

IF 0.7 4区地球科学

Annales de Paleontologie Pub Date : 2025-10-01 Epub Date: 2025-11-12 DOI: 10.1016/j.annpal.2025.102902

Zhi-Teng Chen , Xuhongyi Zheng

{"title":"First reliable fossil record of the family Isonychiidae (Insecta, Ephemeroptera) from Cretaceous Kachin amber","authors":"Zhi-Teng Chen , Xuhongyi Zheng","doi":"10.1016/j.annpal.2025.102902","DOIUrl":"10.1016/j.annpal.2025.102902","url":null,"abstract":"<div><div>The mayfly family Isonychiidae is represented by the single extant genus <em>Isonychia</em> Eaton, 1871 and has long lacked a reliable fossil record, limiting insights into its evolutionary history. Here, we <em>describe Fujiwaranychia chiyokoae</em> gen. et sp. nov., a female imago preserved in mid-Cretaceous Kachin amber from northern Myanmar. This specimen represents the first reliable fossil evidence for Isonychiidae and confirms the family's presence in Laurasia during the Cretaceous. The new genus shares several morphological features with extant <em>Isonychia</em>, including forewing venation and a similar tarsal formula, but differs in the absence of cubital cross veins in forewings and the presence of an unforked media posterior vein in the hind wing. These differences justify its placement in a separate, extinct genus within Isonychiidae. The discovery extends the known history of the family by nearly 100 million years and reveals a previously unrecognized degree of morphological diversity. The fossil provides a critical calibration point for future phylogenetic studies and underscores the paleontological value of amber inclusions in tracing the evolutionary history of mayflies.</div></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"111 4","pages":"Article 102902"},"PeriodicalIF":0.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145486407","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}

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Mecaster fourneli (Deshayes, 1847) (Echinodermata: Echinoidea) from the Turonian (Late Cretaceous) of the Gabonese Coastal Basin: systematics and palaeobiogeographical implications 加蓬海岸盆地晚白垩世Turonian的Mecaster fourneli (Deshayes, 1847)（棘皮科：棘皮总科）：系统分类学和古生物地理学意义

IF 0.7 4区地球科学

Annales de Paleontologie Pub Date : 2025-07-01 Epub Date: 2025-09-09 DOI: 10.1016/j.annpal.2025.102888

Urlain Gaël Yakouya-Moubamba , Thomas Saucède , Wilma Linda-Belle Mougola , Benjamin Musavu Moussavou

{"title":"Mecaster fourneli (Deshayes, 1847) (Echinodermata: Echinoidea) from the Turonian (Late Cretaceous) of the Gabonese Coastal Basin: systematics and palaeobiogeographical implications","authors":"Urlain Gaël Yakouya-Moubamba , Thomas Saucède , Wilma Linda-Belle Mougola , Benjamin Musavu Moussavou","doi":"10.1016/j.annpal.2025.102888","DOIUrl":"10.1016/j.annpal.2025.102888","url":null,"abstract":"<div><div>This study presents a detailed systematic analysis of the irregular echinoid <em>Mecaster fourneli</em> (Deshayes, 1847) from Turonian (Late Cretaceous) deposits of the Gabonese coastal basin. The morphological and biometric study of 26 well-preserved specimens has allowed a precise characterisation of this species, previously mentioned but never described or illustrated in this region. The specimens studied come from three different localities (Gabon Store, Pétro Gabon and Maison Georges Rawiri). Comparative morpho-biometric analysis with populations from Algeria and Peru reveals a remarkable morphological homogeneity despite the geographical distance. The presence of <em>M</em>. <em>fourneli</em> in the Gabonese coastal basin confirms the geographical expansion of this species during the Upper Cretaceous and strengthens the hypothesis of a palaeobiogeographical link between the Mediterranean and West African provinces during the Turonian-Coniacian, probably via a trans-Saharan passage during the major transgressive event of this period.</div></div>","PeriodicalId":50780,"journal":{"name":"Annales de Paleontologie","volume":"111 3","pages":"Article 102888"},"PeriodicalIF":0.7,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145020963","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}

引用次数: 0