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Inproceedings Reference Stratigraphical context of the Pliocene right whales (Balaenidae) from the North Sea
Located in Library / RBINS Staff Publications 2021
Article Reference Stratigraphie de l' Eocène en Flandre Occidentale et dans les régions limitrophes.
Located in Library / RBINS Staff Publications
Article Reference Stratigraphie haute résolution du Paléocène terminal/ Eocène basal des bassins parisien, belge et anglais. Conséquences paléogéographiques et structurales.
Located in Library / RBINS Staff Publications
Article Reference Stratigraphy and depositional environments of the Late Famennian (Late Devonian) of Southern Belgium and characterization of the Strud locality
The Famennian (Upper Devonian, c. 372 to 359 Ma) strata of Belgium have recently received much attention after the discoveries of early tetrapod remains and outstandingly preserved continental arthropods. The Strud locality has yielded a diverse flora and fauna including seed-plants, tetrapods, various placoderm, actinopterygian, acanthodian and sarcopterygian fishes, crustaceans (anostracans, notostracans, conchostracans and decapods) and a putative complete insect. This fossil assemblage is one of the oldest continental – probably fresh-water – ecosystems with a considerable vertebrate and invertebrate diversity. The study of the palaeoenvironment of the Strud locality is crucial because it records one of the earliest and most important phases of tetrapod evolution that took place after their emergence but before their terrestrialization. It raises the question of environmental and ecological conditions for the Devonian aquatic ecosystem and the selection pressures occurring at the onset of tetrapod terrestrialization. The present study characterized the fluvial facies of the Upper Famennian sedimentary rocks of Strud and the surrounding areas. The exceptional preservation of arthropods and plants in the main fossiliferous layers is explained by rapid burial in the fine-grained sediment of the quiet and confined flood plain environment. Newly investigated fossiliferous sections in the Meuse–Samson area led to the description and correlation of key sections (Strud, Wierde and Jausse sections, complemented by the less continuous Haltinne, Huy and Coutisse sections). Moreover, the investigated sections allowed a review of the age of the fossiliferous horizon, which is now definitely considered to be Late Famennian in age.
Located in Library / RBINS Staff Publications 2016
Article Reference Stratigraphy of an early-middle Miocene sequence near Antwerp in Northern Belgium (Southern North Sea Basin)
Located in Library / RBINS Staff Publications
Article Reference Stratigraphy, paleontology, and depositional setting of the Late Eocene (Priabonian) lower Pagat Member, Tanjung Formation, in the Asem Asem Basin, South Kalimantan, Indonesia
Marine sedimentary rocks of the late Eocene Pagat Member of the Tanjung Formation in the Asem Asem Basin near Satui, Kalimantan, provide an important geological archive for understanding the paleontological evolution of southern Kalimantan (Indonesian Borneo) in the interval leading up the development of the Central Indo-Pacific marine biodiversity hotspot. In this paper, we describe amoderately diverse assemblage of marine invertebrates within a sedimentological and stratigraphical context. In the studied section, the Pagat Member of the Tanjung Formation records an interval of overall marine transgression and chronicles a transition from the marginal marine and continental siliciclastic succession in the underlying Tambak Member to the carbonate platform succession in the overlying Berai Formation. The lower part of the Pagat Member contains heterolithic interbedded siliciclastic sandstone and glauconitic shale, with thin bioclastic floatstone and bioclastic rudstone beds. This segues into a calcareous shale succession with common foraminiferal packstone/rudstone lenses interpreted as low-relief biostromes. A diverse trace fossil assemblage occurs primarily in a muddy/glauconitic sandstone, sandy mudstone, and bioclastic packstone/rudstone succession, constraining the depositional setting to a mid-ramp/mid to distal continental shelf setting below fair-weather wave base but above stormwave base. Each biostrome rests upon a storm-generated ravinement surface characterized by a low-diversity Glossifungites or Trypanites trace fossil assemblage. The erosional surfaces were colonized by organisms that preferred stable substrates, including larger benthic foraminifera, solitary corals, oysters, and serpulid annelid worms. The biostromes comprised islands of highmarine biodiversity on the mud-dominated Pagat coastline. Together, the biostromes analyzed in this study contained 13 genera of symbiont-bearing larger benthic foraminifera, ∼40 mollusk taxa, at least 5 brachyuran decapod genera, and 6 coral genera (Anthemiphyllia, Balanophyllia, Caryophyllia, Cycloseris, Trachyphyllia, and Trochocyathus), as well as a variety of bryozoans, serpulids, echinoids, and asterozoans. High foraminiferal and molluscan diversity, coupled with modest coral diversity, supports the hypothesis that the origin of the diverse tropical invertebrate faunas that characterize the modern Indo-Australian region may have occurred in the latest Eocene/earliest Oligocene.
Located in Library / RBINS Staff Publications 2025 OA
Phdthesis Reference Structure générale et évolution du cerveau chez les dinosaures ornithischiens
Parmi les dinosaures, le clade des Ornithopodes est l’un de ceux qui a rencontré le plus de succès. Apparus au Jurassique supérieur, le groupe s’est dispersé et diversifié jusqu’à sa disparition à la fin du Crétacé. Je me suis attachée à étudier le cerveau des Ornithopodes d’Europe et d’Asie, à établir des comparaisons avec les autres archosaures et de nouveaux arbres phylogénétiques incluant des caractères issus de l’endocrâne. Pour ce faire, des moulages et des reconstitutions à partir de données CT-scan ont été réalisées pour étudier la cavité endocrânienne de divers membres de ce groupe. J’ai réalisé des moulages endocrâniens en silicone de 3 taxons et les reconstructions à partir de données CT-scan de 3 autres taxons de Dinosaures Ornithopodes. Une collection unique d’endocrânes de crocodiles et d’oiseaux récents étend les possibilités de comparaison. Certains endocrânes des taxons fossiles ont confirmé les caractéristiques décrites précédemment dans la littérature, tandis que de nouveaux éléments sont apparus. Les endocrânes n’ont en effet pas seulement livré la morphologie du cerveau, mais aussi des valleculae, le détail des nerfs crâniens et de la glande pituitaire. J’ai ainsi pu étendre la présence de valleculae, qui est un indice fort en faveur d’un télencéphale développé, chez un nouvel Hadrosauroidea, alors que cela n’était connu que chez les Hadrosauridae et les membres dérivés de deux autres groupes (Theropoda et Pachycephalosauria). Le cerveau des Ornithopodes dérivés était caractérisé par des hémisphères cérébraux très larges et de forme arrondie. Les flexions crâniale et pontine sont inexistantes, à l’opposé de ce qui est observé chez les Saurischiens. Les pédoncules olfactifs étaient larges. J’ai également fourni de nouveaux exemples de l’influence de la taille de la glande pituitaire sur la taille totale de l’individu. Le cerveau des Ornithopodes a subi des changements au cours de leur évolution : le plus marquant est l’augmentation du volume des hémisphères cérébraux par rapport au reste du cerveau. J’émets l’hypothèse que cette augmentation résulte de la complexification des comportements chez les Ornithopodes. Une nouvelle phylogénie a été établie, bénéficiant de l’apport de nouveaux caractères basés sur l’endocrâne. Elle apporte des éléments de réflexion intéressants quant à la position de plusieurs taxons d’Iguanodontia basaux. La résolution est cependant faible et d’autres études devront être menées dans le futur. Les relations de parenté ne sont pas stables et de faibles changements entraînent des différences notables dans les résultats des analyses phylogénétiques.
Located in Library / RBINS Staff Publications
Article Reference Struggling with shells: Drymaeus Albers, 1850 and Mesembrinus Albers, 1850 species (Mollusca, Gastropoda, Bulimulidae) from Peru — an illustrated checklist and descriptions of new spec
Located in Library / RBINS Staff Publications 2024
Article Reference Suggested guidelines for invasive sampling of hominid remains
Located in Library / RBINS Staff Publications
Article Reference Sulawesimtopus henryi, a new genus and species of Isometopi!nae (Hemiptera, Heteroptar, Miridae) from Sulawesi
Located in Library / RBINS collections by external author(s)