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Article Reference Rediscovery of the deep-water muricid Abyssotrophon lorenzoensis (Durham, 1942) (Gastropoda; Muricidae) in the Gulf of California, Mexico
Located in Library / RBINS Staff Publications 2020
Article Reference Rediscovery of the forgotten de Ryckholt Collection (gastropods, bivalves, worms; Late Cretaceous, Belgium)
A significant part of the collection of mid- and Late Cretaceous (Cenomanian, Campanian and Maastrichtian) gastropods, bivalves and worms described and/or illustrated by de Ryckholt in his seminal work Mélanges paléontologiques between 1854 and 1862, has recently been retraced in the historical collections at Liège University. Of the original collection, more than 206 specimens, including 196 nominal types (lectotypes and genotypes), all considered lost, are now available. The genotypes of the gastropod genera Tudicula de Ryckholt, 1862a and Prosopostoma de Ryckholt, 1862a are photographically illustrated for the first time. Prosopostoma bucculans, from the Cenomanian Bernissart Formation (formerly ‘Tourtia de Tournai’), is here chosen as the type species of the genus Prosopostoma, a possible stromboid. We also reassess the stratigraphic age of the type localities under the revised stratigraphic framework of Belgium and a detailed account on the research history of this material, in order to provide a thorough scientific background for future study of this formidable collection.
Located in Library / RBINS Staff Publications
Article Reference Rediscovery of the Mathieu collection of Carboniferous (Pennsylvanian)–Permian (Cisuralian) arthropods from the Kaiping Coalfield (northeastern China)
Located in Library / RBINS Staff Publications 2023
Article Reference Rediscovery, range extension, phylogenetic relationships and updated diagnosis of the Ornate Long-tailed Lizard Latastia ornata Monard, 1940 (Squamata: Lacertidae)
Located in Library / RBINS Staff Publications 2023 OA
Article Reference Reduced host-specificity in a parasite infecting non-littoral Lake Tanganyika cichlids evidenced by intraspecific morphological and genetic diversity
Lake Tanganyika is well-known for its high species-richness and rapid radiation processes. Its assemblage of cichlid fishes recently gained momentum as a framework to study parasite ecology and evolution. It offers a rare chance to investigate the influence of a deepwater lifestyle in a freshwater fish-parasite system. Our study represents the first investigation of parasite intraspecific genetic structure related to host specificity in the lake. It focused on the monogenean flatworm Cichlidogyrus casuarinus infecting deepwater cichlids belonging to Bathybates and Hemibates. Morphological examination of C. casuarinus had previously suggested a broad host range, while the lake’s other Cichlidogyrus species are usually host specific. However, ongoing speciation or cryptic diversity could not be excluded. To distinguish between these hypotheses, we analysed intraspecific diversity of C. casuarinus. Monogeneans from nearly all representatives of the host genera were examined using morphometrics, geomorphometrics and genetics. We confirmed the low host-specificity of C. casuarinus based on morphology and nuclear DNA. Yet, intraspecific variation of sclerotized structures was observed. Nevertheless, the highly variable mitochondrial DNA indicated recent population expansion, but no ongoing parasite speciation, confirming, for the first time in freshwater, reduced parasite host specificity in the deepwater realm, probably an adaptation to low host availability.
Located in Library / RBINS Staff Publications 2016
Article Reference Reducing marine eutrophication may require a paradigmatic change
Located in Library / RBINS Staff Publications 2018
Article Reference Redundancy and ecosystem stability in the fluctuating environments of long-lived lakes. In: ODADA, E. & D. OLAGO (eds.), The East African Great Lakes: Limnology, Palaeolimnology and Biodiversity. Advances in Global Research Series
Located in Library / RBINS Staff Publications
Article Reference Reesa vespulae (Milliron, 1939), een ongewenste exoot in de Benelux (Coleoptera: Dermestidae)
Located in Library / RBINS Staff Publications 2017
Article Reference Référencement géologique des ressources en matières colorantes entre l’Ardèche et le Gardon : un outil pour appréhender les paysages vécus au cours de la Préhistoire.
Located in Library / RBINS Staff Publications 2019
Article Reference chemical/x-molconn-Z Regional differences in vertebral shape along the axial skeleton in caecilians (Amphibia: Gymnophiona)
Abstract Caecilians are elongate, limbless and annulated amphibians that, as far as is known, all have an at least partly fossorial lifestyle. It has been suggested that elongate limbless vertebrates show little morphological differentiation throughout the postcranial skeleton. However, relatively few studies have explored the axial skeleton in limbless tetrapods. In this study, we used ?CT data and three-dimensional geometric morphometrics to explore regional differences in vertebral shape across a broad range of caecilian species. Our results highlight substantial differences in vertebral shape along the axial skeleton, with anterior vertebrae being short and bulky, whereas posterior vertebrae are more elongated. This study shows that despite being limbless, elongate tetrapods such as caecilians still show regional heterogeneity in the shape of individual vertebrae along the vertebral column. Further studies are needed, however, to understand the possible causes and functional consequences of the observed variation in vertebral shape in caecilians.
Located in Library / RBINS Staff Publications 2022