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The Early Miocene odontocete Araeodelphis natator Kellogg, 1957 (Cetacea; Platanistidae), from the Calvert Formation of Maryland, U.S.A.
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RBINS Staff Publications 2017
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Past beaked whale diversity in the North Sea: reappraisal through a new Miocene record and biostratigraphic analyses
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RBINS Staff Publications 2023
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Learning from ancient water management: Archaeology's role in modern-day climate change adaptations
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Climate change is altering our environment and societies worldwide have to devise adaptation strategies. Water management strategies are becoming especially important. In the past, societies had to adapt in order to survive as well. Communities often practised long‐term sustainable agriculture. By understanding the ways in which ancient communities were successful at or failed in attaining social‐ecological resilience through water management archeologists can provide important information for modern communities facing similar problems. Archeology's long time perspective is very valuable. However, archeologists are confronted with a number of issues. Archeology can only study the material remains of past societies, not the living communities. Not all human activity translates into material residue and not all materials survive. Moreover, people will not demonstrate completely rational cause‐and‐effect behavior, but ideology and beliefs, which archeology can only poorly attest, will also have influenced decisions. Nevertheless, archeology can bring a unique perspective to the debate on climate change adaptation: archeology can falsify or corroborate sustainability claims, ancient water management techniques may still be a resilient mode of subsistence and ancient techniques often rely on relatively simple technology allowing for easier adoption. When transposing ancient water management techniques to modern situations it is important to involve stakeholders from an early stage, to incorporate traditional knowledge systems as much as possible and most importantly to ascertain whether physical and socio‐cultural circumstances are comparable. Archeological knowledge on ancient sustainability and water management is not a panacea for all climate related aridification, but can contribute a unique longue durée perspective.
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RBINS Staff Publications 2017
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Late Miocene survival of a hyper-longirostrine dolphin and the Neogene to Recent evolution of rostrum proportions among odontocetes
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RBINS Staff Publications 2021
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The Canis lupus ssp. (Mammalia, Carnivora) of the Baume Traucade (Issirac, Gard, France): A complete skeleton of a “dog-like” individual from the post-LGM.
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Completely preserved canid skeletons dating from the Pleistocene are rare finds. Here, we describe such a unique discovery from Baume Traucade, a cave site in the municipality of Issirac in southern France, which presents a rare opportunity to study in detail a series of skeletal elements from the same individual. This canid was likely a female with an estimated body mass of 26 kg and a shoulder height of 62 cm. It has an age of approximately 16.0 to 15.3 cal ka BP. Impact marks on the lumbar vertebrae and ribs, along with circular perforations on one of the scapulae, suggest that this canid was wounded by humans shortly before its death. The Baume Traucade skeleton is compared to a series of reference groups, including fossil and extant wolves, as well as Palaeolithic, prehistoric, and recent dogs. Linear discriminant analysis of its ln-transformed raw craniometric variables assigns this canid to the putative Palaeolithic dog group with a posterior probability of 99.5% and a typicality probability of 49.8%. Linear discriminant analysis of its allometrically size-adjusted craniometric variables assigns it to the same group with a posterior probability of 96.7% and a typicality probability of 75.1%. Furthermore, based on univariate analyses of its mandible and long bones, the Baume Traucade canid also shows the closest affinity with the group of putative Palaeolithic dogs.
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RBINS Staff Publications 2025
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Multifaceted analysis reveals diet and kinship of Late Pleistocene ‘Tumat Puppies.’
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Distinguishing early domesticates from their wild progenitors presents a significant obstacle for understanding human-mediated effects in the past. The origin of dogs is particularly controversial because potential early dog remains often lack corroborating evidence that can provide secure links between proposed dog remains and human activity. The Tumat Puppies, two permafrost-preserved Late Pleistocene canids, have been hypothesized to have been littermates and early domesticates due to a physical association with putatively butchered mammoth bones. Through a combination of osteometry, stable isotope analysis, plant macrofossil analysis, and genomic and metagenomic analyses, this study exploits the unique properties of the naturally mummified Tumat Puppies to examine their familial relationship and to determine whether dietary information links them to human activities. The multifaceted analysis reveals that the 14,965–14,046 cal yr BP Tumat Puppies were littermates who inhabited a dry and relatively mild environment with heterogeneous vegetation and consumed a diverse diet, including woolly rhinoceros in their final days. However, because there is no evidence of mammoth consumption, these data do not establish a link between the canids and ancient humans.
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RBINS Staff Publications 2025
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A Million Years of Mammoth Mitogenome Evolution.
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The genomic study of specimens dating to the Early and Middle Pleistocene (EP and MP), a period spanning from 2.6 million years ago (Ma) to 126 thousand years ago (ka), has the potential to elucidate the evolutionary processes that shaped present-day biodiversity. Obtaining genomic data from this period is challenging, but mitochondrial DNA, given its higher abundance compared to nuclear DNA, could play an important role to understand evolutionary processes at this time scale. In this study, we report 34 new mitogenomes, including two EP and nine MP mammoth (Mammuthus spp.) specimens from Siberia and North America and analyze them jointly with >200 publicly available mitogenomes to reconstruct a transect of mammoth mitogenome diversity throughout the last million years. We find that our EP mitogenomes fall outside the diversity of all Late Pleistocene (LP) mammoths, while those derived from MP mammoths are basal to LP mammoth Clades 2 and 3, supporting an ancient Siberian origin of these lineages. In contrast, the geographical origin of Clade 1 remains unresolved. With these new deep-time mitogenomes, we observe diversification events across all clades that appear consistent with previously hypothesized MP and LP demographic changes. Furthermore, we improve upon an existing methodology for molecular clock dating of specimens >50 ka, demonstrating that specimens need to be individually dated to avoid biases in their age estimates. Both the molecular and analytical improvements presented here highlight the importance of deep-time genomic data to discover long-lost genetic diversity, enabling better assessments of evolutionary histories.
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RBINS Staff Publications 2025
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Genome analyses suggest recent speciation and postglacial isolation in the Norwegian lemming
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The Norwegian lemming (Lemmus lemmus) is a small rodent distributed across the Fennoscandian mountain tundra and the Kola Peninsula. The Norwegian lemming likely evolved during the Late Pleistocene and inhabited Fennoscandia shortly prior to the Last Glacial Maximum. However, the exact timing and origins of the species, and its phylogenetic position relative to the closely related Siberian lemming (Lemmus sibiricus) remain disputed. Moreover, the presence of ancient or contemporary gene flow between both species is largely untested. The Norwegian lemming displays characteristic phenotypic and behavioral adaptations (e.g., coat color, aggression) that are not present in other Lemmus species. We generated a de novo genome assembly for the Norwegian lemming and resequenced nine modern and two ancient Lemmus spp. genomes. We show that all Lemmus species form distinct monophyletic clades, with concordant topology between the mitochondrial and nuclear genome phylogenies. The Siberian lemming is divided into two distinct but paraphyletic clades, one in the east and one in the west, where the western clade represents a sister taxon to the Norwegian lemming. We estimate that the Norwegian and western Siberian lemming diverged shortly before the Last Glacial Maximum, making the Norwegian lemming one of the youngest known mammalian species. We did not find any indication of gene flow between L. lemmus and L. sibiricus, suggesting postglacial isolation of L. lemmus. Furthermore, we identify species-specific genomic differences in genes related to coat color and fat transport, which are likely associated with the distinctive coloration and overwintering behavior observed in the Norwegian lemming.
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RBINS Staff Publications 2025
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Major excursions in sulfur isotopes linked to permafrost change in Eurasia during the last 50,000 years.
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We identify a major sulfur isotope excursion in Eurasian faunal bone collagen from the last 50,000 years, here termed the Late Pleniglacial Sulfur Excursion. Our analysis suggests this is linked to changing permafrost conditions, presenting the utility of faunal collagen δ34S as a proxy for permafrost dynamics, a critical component of the global carbon cycle. Our findings complicate the use of archaeological faunal sulfur isotopes for mobility and palaeodietary studies.
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RBINS Staff Publications 2025
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Dental microwear study of pigs from the classical site of Sagalassos (SW Turkey) as an aid for the reconstruction of husbandry practices in ancient times
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RBINS Staff Publications
