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Article Reference A double-sided ivory comb with two animal pursuit scenes from a 6th century CE burial at Deiningen, Germany
In the Roman world, as in many other cultures, ivory was perceived as raw material suitable for the carving of prestigious personal items. The types of Roman and Late Antique carved ivory objects that survived as well as their quantity and stylistic range is probably a result of their preservation contexts as well as their appreciation and sometimes ongoing use in later epochs. Regarding ivory combs decorated with bas-relief carvings, only nine specimens are ascribed to the Mediterranean and NW-Europe during Late Antiquity, all exclusively present biblical iconography. Information about their origin, object history and age is usually very limited. The first evidence that hunting scenes were still part of the ivory carving tradition in Late Antiquity is provided by a comb discovered in a mid-6th-century male inhumation burial at Deiningen, Nördlinger Ries. In addition to stylistic and technological comparison, SEM-imaging, ZooMS, ancient DNA (aDNA) sequencing and 87Sr/86Sr isotope ratios were applied to identify the species and possible origin. While size and structure point toward Loxodonta africana as a likely source, poor preservation of the material hindered more refined results by ZooMS or aDNA analyses and consequently a precise triangulation of the source area in combination with the strontium isotope ratios. Besides being a singular piece of craftsmanship, the ivory comb fits into an assumed network of production and distribution that spanned from Northern Africa to the Frankish realm north of the Alps.
Located in Library / RBINS Staff Publications 2026
Article Reference A dynamic 2DH flocculation model for coastal domains
Located in Library / RBINS Staff Publications 2023
Article Reference A European monsoon-like climate in a warmhouse world
The middle Eocene warmhouse period (45 million years ago) featured atmospheric carbon dioxide concentrations equivalent to those projected under high future emission scenarios. Seasonal- to weather timescale climate reconstructions from this period can provide critical insight into the impact of Anthropogenic warming on intra-annual variability in temperature and precipitation. Here, we combine daily-scale reconstructions of the evolution of temperature and the water cycle in western Europe based on stable oxygen and clumped isotope analyses on the fastest-growing gastropod known in the fossil record: Campanile giganteum. Our dataset shows that the middle Eocene of western Europe featured monsoon-like conditions, with seawater temperatures of ˊ24 °C during mild and wet winters, 30 °C during hot and dry spring and autumn seasons, and ˊ28 °C during warm and comparatively wet summers. Coupled climate model simulations using the Community Earth System Model indicate these seasonal variations in temperature and precipitation were driven by shifting atmospheric and oceanic circulation regimes over Western Europe, with winds from different directions bringing distinct waters to the region and minimal wind during spring reducing cooling through diminished latent heat flux. Our results highlight that Europe may experience wetter summers with more frequent extreme rainfall events under future high emissions scenarios.
Located in Library / RBINS Staff Publications 2025 OA
Article Reference A European monsoon-like climate in a warmhouse world
The middle Eocene warmhouse period (45 million years ago) featured atmospheric carbon dioxide concentrations equivalent to those projected under high future emission scenarios. Seasonal- to weather timescale climate reconstructions from this period can provide critical insight into the impact of Anthropogenic warming on intra-annual variability in temperature and precipitation. Here, we combine daily-scale reconstructions of the evolution of temperature and the water cycle in western Europe based on stable oxygen and clumped isotope analyses on the fastest-growing gastropod known in the fossil record: Campanile giganteum. Our dataset shows that the middle Eocene of western Europe featured monsoon-like conditions, with seawater temperatures of ˊ24 °C during mild and wet winters, 30 °C during hot and dry spring and autumn seasons, and ˊ28 °C during warm and comparatively wet summers. Coupled climate model simulations using the Community Earth System Model indicate these seasonal variations in temperature and precipitation were driven by shifting atmospheric and oceanic circulation regimes over Western Europe, with winds from different directions bringing distinct waters to the region and minimal wind during spring reducing cooling through diminished latent heat flux. Our results highlight that Europe may experience wetter summers with more frequent extreme rainfall events under future high emissions scenarios.
Located in Library / RBINS Staff Publications 2025
Article Reference A European network on evolutionary ecology of reproductive modes in non-marine Ostracoda: background and objectives. In: HORNE, D.J. & MARTENS, K. (eds.), The evolutionary ecology of reproductive modes in non-marine Ostracoda
Located in Library / RBINS Staff Publications
Article Reference A first glimpse into the biogeographic affinities of the shallow benthic communities from the sub-Antarctic Crozet archipelago
Sub-Antarctic islands are expected to show a high degree of endemicity due to their remoteness. However, biogeographic affinities in the sub-Antarctic remain poorly understood, especially in the marine realm. Sub-Antarctic islands being at the crossroads between Antarctic and cold temperate regions, biodiversity characterization and biogeographic analyses are a priority for monitoring and rapidly assessing variations associated with environmental changes. One underexplored sub-Antarctic area is Crozet, a protected archipelago located halfway between Antarctica and South Africa. In this study, we investigated the shallow-water Crozet macrofaunal diversity, distribution patterns and biogeographic affinities based on the examination of fieldwork specimens via a thorough morphological identification and a genetic characterisation. The resulting dataset provides an important baseline for further studies and conservation strategies, compiling the first genetic and taxonomic database for the Crozet archipelago. In total, 100 morphotypes were found, belonging to nine different phyla, among whicharthropods(32), molluscs (18)and echinoderms (17) were the richest. Forty-seven morphotypes were identified to the species level, among which 20 were reported in Crozet for the first time. This confirms that Crozet is a poorly known region, even compared to other sub-Antarctic areas. A large proportion of species (62%) had circum Southern Ocean or circum sub Antarctic distributions. These species were mostly shared with Kerguelen (72%), the Magellan Province (64%), and Prince Edward Islands (64%), confirming the patterns found in macroalgae and specific macrofaunal groups. However, this large-distribution statement needs to be counterbalanced by the detection (genetic data) of more restricted distributions than expected in four study cases (the tanaid Apseudes spectabilis, the nudibranch Doris kerguelenensis, the polychaete Neanthes kerguelensis and the chiton Hemiarthrum setulosum). Considering that most morphotypes had no genetic data available from other regions, the proportion of morphotypes with restricted distribution is likely to increase alongside future investigations. In addition, we also found a few cases of unrecognized diversity that might lead to the descriptions of new species, some likely to be endemic to Crozet (e.g., within the polychaete genus Harmothoe and the bryozoan genus Antarctothoa). Altogether, this stresses the need to maintain conservation efforts in Crozet and pursue integrative investigations in order to highlight and protect its unusual diversity
Located in Library / RBINS Staff Publications 2024
Inproceedings Reference A first, local DNA barcode reference database of the forensically important flies (Diptera) of the island of La Reunion
Located in Library / RBINS Staff Publications 2017
Article Reference A forest fire and soil erosion event during the Late Devonian mass extinction
Located in Library / RBINS Staff Publications
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 A fossil heron from the early Oligocene of Belgium : the earliest temporary well-constrained record of the Ardeidae
We describe the earliest temporally well-constrained fossil that can be assigned to the Ardeidae (herons), from the lowermost Oligocene (32.0–33.0 million years ago) of Belgium. The specimen, a partial tarsometatarsus, belongs to a small species and is described as Proardea? deschutteri n. sp. It exhibits the characteristic tarsometatarsus morphology found in extant heron species, but a confident assignment to one of the ardeid subclades is not possible and even the assignment of the new fossil species to the crown group (the clade including the extant species) cannot be established. The fossil indicates a divergence of herons from their sister taxon by at least the earliest Oligocene, and current paleontological data suggest that herons arrived in Europe shortly after a major faunal turnover at the Eocene/Oligocene boundary. We consider that dispersal is the likely reason for the sudden appearance of herons in the earliest Oligocene of Europe but it is uncertain from where exactly this took place, with Asia and Africa being among the candidate areas.
Located in Library / RBINS Staff Publications 2018