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Article Reference A fossil albatross from the early Oligocene of the North Sea Basin
We describe a stem group representative of Diomedeidae from the early Oligocene (Rupelian) of Belgium. The fossil remains, wing, and pectoral girdle bones of two individuals are described as Tydea septentrionalis, gen. et sp. nov., and constitute the earliest well-established record of the taxon and the first Paleogene record from the North Sea Basin. The new species was about the size of the extant Black-browed Albatross (Thalassarche melanophris) and establishes that albatrosses had already reached a large size 30 mya. The wing bones of T. septentrionalis are distinguished by several plesiomorphic features from those of species in crown group Diomedeidae, which may indicate differences in aerodynamic performance between the fossil species and extant albatrosses. We detail that a previously described early Miocene species, “Plotornis” arvernensis, should be expunged from the fossil record of albatrosses. However, the new fossils provide further evidence that the extant, mainly Southern Hemispheric, distribution of albatrosses is relictual compared with the past distribution of the total group (stem group + crown group). With unambiguous records from the early Oligocene, early Miocene, and Pliocene, albatrosses are now known to have had a long evolutionary history in the European part of the North Atlantic, but the reasons for their extinction remain poorly understood
Located in Library / RBINS Staff Publications
Article Reference European Journal of Taxonomy: a Public Collaborative Project in Open Access scholarly communication
Located in Library / RBINS Staff Publications
Article Reference Extraordinary morphological changes in valve morphology during the ontogeny of several species of the Australian ostracod genus Bennelongia (Crustacea, Ostracoda).
Located in Library / RBINS Staff Publications
Article Reference Subfossil ostracode assemblages from Mongolia – Quantifying response for paleolimnological applications
Located in Library / RBINS Staff Publications
Article Reference Body size and dispersal mode as key traits determining metacommunity structure of aquatic organisms
Located in Library / RBINS Staff Publications
Article Reference On a new cypridopsine genus of ostracods (Crustacea, Ostracoda, Cyprididae) from the Upper Paraná River Floodplain (Brazil)
Located in Library / RBINS Staff Publications
Article Reference Predation by macroinvertebrates on Heterocypris incongruens (Ostracoda) in temporary ponds: impacts and responses
Located in Library / RBINS Staff Publications
Article Reference On the Strandesia obtusata/ elliptica - lineage (Ostracoda, Cyprididae) in the alluvial valley of the Upper Paraná River (Brazil), with the description of three new species.
Located in Library / RBINS Staff Publications
Article Reference Extreme tolerance of sexual and parthenogenetic resting eggs of Eucypris virens (Crustacea, Ostracoda)
Located in Library / RBINS Staff Publications
Article Reference The carnivoran-like insectivore Butselia biveri Quinet & Misonne, 1965 (Mammalia, Plesiosoricidae) from the lowermost Oligocene of Europe
Plesiosoricidae is a small extinct family of soricomorphan insectivores distributed from the Early Eocene to the Late Miocene on the three continents of the Northern Hemisphere. One of two known plesiosoricid subfamilies is represented by the particular Eurasian subfamily Butseliinae. Here we describe new dental and postcranial elements of Butselia biveri, the type-species of the genus Butselia from the lowermost Oligocene of Belgium. The specialized anterior dentition shows a strong caniniform i2 while the upper and lower molars show a remarkable convergent evolution with early carnivorans, especially the small Early Eocene miacids. Tarsal bones of Butselia biveri are also identified and described, suggesting a closely relationship with Nyctitheriidae but also indicating some convergent features with small scansorial carnivorans.
Located in Library / RBINS Staff Publications