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Article Reference A reassessment of the fossil goose Anser scaldii Lambrecht, 1933
The name Anser scaldii was first used by Van Beneden (1872) in a brief text that read ‘Nous avons recu un humérus dans un parfait état de conservation, trouvé dans le crag, à Anvers’. The name was also used by Van Beneden (1873), but in both instances it is a nomen nudum. The name was made valid for the purposes of nomenclature by Lambrecht (1933: 368) when he entered Anser scaldii Van Beneden, 1872, with the following description and information: ‘Humerus typisch anserin, von der Größe von Tadorna casarca. Länge 129 mm. Material: Humerus im Mus. Bruxelles. Alter und Fundort: Obermiozän (Bolderian), Antwerpen. Etymologie: Artname nach der Schelde: Scaldia.’ At the same time he mistakenly gave the original combination as Anas scaldii Van Beneden 1872, which error was perpetuated by Gaillard (1939), Brodkorb (1964), Howard (1964), and Bochenski (1997), as noted by Mlíkovský (2002: 125). The statement by Lambrecht that this fossil is of similar length to humeri of Tadorna prompted Worthy et al. (2007) to suggest that Anser scaldii may have a bearing on the evolution of Tadornini in Europe. Accordingly, we re- examined the holotype in the Department of Paleontology, Royal Belgian Institute of Natural Sciences, Brussels, Belgium, to ascertain its relationships and its significance in Anseriform evolution.
Located in Library / RBINS Staff Publications
Article Reference A mitochondrial phylogeographic scenario for the most widespread African rodent species , Mastomys natalensis
In order to evaluate the contribution of geological, environmental, and climatic changes to the spatial distri- bution of genetic variation of Mastomys natalensis, we analysed cytochrome b sequences from the whole dis- tribution area of the species to infer its phylogeographic structure and historical demography. Six well-supported phylogroups, differentiated during the Pleistocene, were evidenced. No significant correlation between genetic and geographic distances was found at the continental scale, and the geographic distributions of the observed phylogroups have resulted from extensive periods of isolation caused by the presence of putative geographic and ecological barriers. The diversification events were probably influenced by habitat contraction/expansion cycles that may have complemented topographic barriers to induce genetic drift and lineage sorting. According to our results, we propose a scenario where climate-driven processes may have played a primary role in the differ- entiation among phylogroups.
Located in Library / RBINS Staff Publications
Article Reference High-resolution carbon isotope stratigraphy and mammalian faunal change at the Paleocene-Eocene boundary in the Honeycombs area of the Southern Bighorn Basin, Wyoming.
Located in Library / RBINS Staff Publications
Article Reference Rapid Asia–Europe–North America geographic dispersal of earliest Eocene primate Teilhardina during the Paleocene–Eocene Thermal Maximum
Located in Library / RBINS Staff Publications
Article Reference A new scincomorph lizard from the Paleocene of Belgium and the origin of the Scincoidea in Europe
Located in Library / RBINS Staff Publications
Article Reference Anatomy and phylogeny of the gavialoid crocodylian Eosuchus lerichei from the Paleocene of Europe
Located in Library / RBINS Staff Publications
Article Reference Les mammifères de l'Ypresien moyen du Bassin de Paris (niveau-repère MP8-9) sont-ils présents dès la limite Paléocène/Eocène de Dormaal (niveau-repère MP7, Belgique)?
Located in Library / RBINS Staff Publications
Article Reference Paleocene-Eocene carbon isoltope excursion in organic carbon and pedogenic carbonate: direct comparision in a continental stratigraphic section
Located in Library / RBINS Staff Publications
Article Reference The in situ Glyptostroboxylon forest of Hoegaarden (Belgium) at the Initial Eocene Thermal Maximum (55 Ma)
Located in Library / RBINS Staff Publications
Article Reference Terrestrial mammals as biostratigraphic indicators in upper Paleocene-lower Eocene marine deposits of the southern North Sea Basin
Teeth of terrestrial mammals found in shallow marine deposits of the late Paleocene and early Eocene in the southern North Sea Basin (Belgium, northern France and southeastern England) have been used as biostratigraphic indicators. Analyses indicate that the age of the continental Walbeck mammal fauna (Germany) is close to that of the Upper Selandian Heers Formation of Belgium (NP4-5). The MP6 referencelevel of Cernay (France) is probably correlated with the lower part of NP9 (late Thanetian). The MP7 – MP8 + 9 intermediate faunas of Meudon and Pourcy could be partly equivalent in age to Biochron NP10. The MP8 + 9 reference-level of Avenay corresponds to the upper part of the London Clay and Kortrijk Formations, which are of late middle Ypresian age (lower NP12), or to the lower part of the Wittering and Tielt Formations, which are dated early late Ypresian (middle NP12). The MP10 Grauves and Prémontré faunas (France) are correlated with the NP13 Upper Wittering Formation. The taphonomy of terrestrial mammals discovered in marine deposits indicates several origins of the material such as reworking, action of predators or fluvial transport.
Located in Library / RBINS Staff Publications