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Article Reference The extraordinary diversity of ants (Hymenoptera: Formicidae) of leaf litter in the Yangambi Biosphere Reserve, Tshopo, Democratic Republic of the Congo
The Democratic Republic of the Congo has the highest diversity of ant species in the Afrotropical region, even though it remains largely understudied in the modern era. The aim of this study is to report on an inventory of the litter ants from the Yangambi Biosphere Reserve in the Tshopo Province, north of the Congo River. Three habitats (fallow, secondary forest and primary forest) were sampled at six localities. A total of 190 ant species belonging to 50 genera and 8 subfamilies, have been recorded in the Yangambi biosphere region. Besides, 96 species were added to Tshopo Province, bringing the total to 306, a 44% increase; and we added 55 species to the already diverse Democratic Republic of the Congo, raising the total record to 791 species, a 7% increase. At least 10% of the collected species are new to science.
Located in Library / RBINS Staff Publications 2025
Article Reference New mtDNA and Isotopic Evidence on Late Pleistocene Cave Bears in the Balkans: the Case-study of Magura Cave, NW Bulgaria
Recent genetic studies have shed light on the phylogeography of cave bears; however, their paleoecology and their diet are still debated, and data from south-eastern Europe are still scarce. Magura Cave, in northwest Bulgaria, has delivered rich faunal assemblages from the Late Pleistocene. The chronology of the excavated area spans from ca. 35 kya to more than 50 kya; the oldest stratigraphic layers being associated with final Middle Palaeolithic tools. The fauna comprises herbivores and carnivores, and potentially different taxa of cave bears, the dental remains of which also showed different tooth morphotypes, suggesting the co-existence of different dietary adaptations. We investigated the mitochondrial DNA (mtDNA) lineages of the cave bears from Magura Cave as well as the stable carbon and nitrogen isotope composition of the faunal assemblage. Our data revealed that, regardless of the tooth morphotypes, only maternal lineages of Ursus ingressus were present in Magura Cave. Interestingly, one specimen with Ursus arctos mtDNA was also found, showing a clear carnivore diet. In contrast, the U. ingressus specimens had a predominantly herbivorous diet. The tooth morphotypes were associated with significantly different δ13C values, suggesting different dietary adaptations.
Located in Library / RBINS Staff Publications 2020
Article Reference Devonian and Carboniferous dendroid graptolites from Belgium and their significance for the taxonomy of the Dendroidea
Located in Library / RBINS Staff Publications 2020
Article Reference Solen poppei, a new species from Vietnam (Bivalvia: Solenidae)
Located in Library / RBINS Staff Publications 2016
Article Reference Cyclophorus stevenabbasorum (Gastropoda: Cyclophoridae), a new species from Indonesia
Located in Library / RBINS Staff Publications 2016
Article Reference Amphidromus setzeri, a new species (Gastropoda: Camaenidae) from Vietnam
Located in Library / RBINS Staff Publications 2016
Article Reference Pterocyclos huberi, a new species from Vietnam (Gastropoda: Caenogastropoda: Cyclophoridae)
Located in Library / RBINS Staff Publications 2016
Article Reference New species and records of deep water muricids (Gastropoda: Muricidae) from Papua New Guinea
Located in Library / RBINS Staff Publications 2016
Article Reference On some Indo-West Pacific species of Favartia sensu stricto (Gastropoda: Muricidae: Muricopsinae) with the description of three new species from the Indian Ocean and comments on related species
Located in Library / RBINS Staff Publications 2016
Article Reference Anatomy, Relationships, and Paleobiology of Cambaytherium (Mammalia, Perissodactylamorpha, Anthracobunia) from the lower Eocene of western India
The anatomy of Cambaytherium, a primitive, perissodactyl-like mammal from the lower Eocene Cambay Shale Formation of Gujarat, India, is described in detail on the basis of more than 350 specimens that represent almost the entire dentition and the skeleton. Cambaytherium combines plesiomorphic traits typical of archaic ungulates such as phenacodontids with derived traits characteristic of early perissodactyls. Cambaytherium was a subcursorial animal better adapted for running than phenacodontids but less specialized than early perissodactyls. The cheek teeth are bunodont with large upper molar conules, not lophodont as in early perissodactyls; like perissodactyls, however, the lower molars have twinned metaconids and m3 has an extended hypoconulid lobe. A steep wear gradient with heavy wear in the middle of the tooth row suggests an abrasive herbivorous diet. Three species of Cambaytherium are recognized: C. thewissi (∼23 kg), C. gracilis (∼10 kg), and C. marinus (∼99 kg). Body masses were estimated from tooth size and long bone dimensions. Biostratigraphic and isotopic evidence indicates an age of ca. 54.5 Ma for the Cambay Shale vertebrate fauna, the oldest Cenozoic continental vertebrate assemblage from India, near or prior to the initial collision with Asia. Cambaytheriidae (also including Nakusia and Perissobune) and Anthracobunidae are sister taxa, constituting the clade Anthracobunia, which is sister to Perissodactyla. We unite them in a new higher taxon, Perissodactylamorpha. The antiquity and occurrence of Cambaytherium—the most primitive known perissodactylamorph—in India near or before its collision with Asia suggest that Perissodactyla evolved during the Paleocene on the Indian Plate or in peripheral areas of southern or southwestern Asia.
Located in Library / RBINS Staff Publications 2020