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A double-sided ivory comb with two animal pursuit scenes from a 6th century CE burial at Deiningen, Germany
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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.
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RBINS Staff Publications 2026
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A new sandstone-dwelling leaf-toed gecko (Gekkonidae: Dixonius hinchangsi) from Khon Kaen Province, northeastern Thailand
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We describe Dixonius hinchangsi sp. nov. from a sandstone area near Hin Chang Si, Khon Kaen Province, northeastern Thailand. The new species differs from all currently recognized Dixonius by the following combination of morphological characters and pattern: maximal known snout-vent length of 50.1 mm, 12 longitudinal rows of dorsal tubercles; 30 to 34 paravertebral tubercles; 23 to 27 longitudinal rows of ventral scales across the abdomen; six to eight precloacal pores in males, no pores in females; no canthal stripe; strongly barred lips; and a spotted to uniform dorsal pattern in males and females. We provide a cranial osteological description and a phylogenetic analysis of the new species. This discovery brings the number of recognized Dixonius species to 19, among them nine species endemic to Thailand.
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RBINS Staff Publications 2026
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Along the Mekong: a new leaf-toed gecko (Gekkonidae: Dixonius sambhupura) from northeastern Cambodia
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We describe Dixonius sambhupura sp. nov. from the western bank and Koh Klap (island) of the lower Mekong River in Kratie Province, northeastern Cambodia. The new species differs from all currently recognized Dixonius by the following combination of morphological characters and pattern: maximal known snout-vent length of 49.0 mm, 14 or 16 longitudinal rows of dorsal tubercles; 34 to 37 paravertebral tubercles; 24 to 27 longitudinal rows of ventral scales across the abdomen; six precloacal pores in males, no pores in females; no marked canthal stripe; strongly barred lips; and a spotted to blotched dorsal pattern in adult males and females. We provide a cranial osteological description and a phylogenetic analysis of the new species. The discovery of this new species endemic to Cambodia brings the number of recognized Dixonius species to 20.
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RBINS Staff Publications 2026
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Long legs and small joints: The locomotor capabilities of Homo naledi
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Abstract The lower limb of Homo naledi presents a suite of primitive, derived and unique morphological features that pose interesting questions about the nature of bipedal movement in this species. The exceptional representation of all skeletal elements in H. naledi makes it an excellent candidate for biomechanical analysis of gait dynamics using modern kinematic software. However, virtual gait analysis software requires 3D models of the entire lower limb kinematic chain. No single H. naledi individual preserves all lower limb elements, and what material is preserved is fragmentary. As an antecedent to future kinematic analysis, a 3D lower limb skeleton was reconstructed from the most complete fossil bones of different H. naledi individuals. As both juvenile and adult H. naledi were used, we tested if the knee joint remained congruent throughout ontogeny in a sample of great apes (N?=?143) and modern humans (N?=?70). The reconstruction and subsequent comparative analysis reveal that H. naledi had remarkably small joint sizes for their body size, a hyper-elongated tibia, and a high crural index (90.2). We consider that the lower limb morphology of H. naledi could have improved locomotor economy, but the exceptionally small joints cast doubt on its capabilities for long distance travel, including endurance running. The unusual mixture of primitive and derived traits in H. naledi remains intriguing and might indicate that this hominin engaged both in bipedal walking and climbing, demonstrating that kinematic diversity in hominins persisted well into the Middle Pleistocene.
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RBINS Staff Publications 2022
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A peculiar ornamental stone in the civitas Treverorum used in funeral monuments and the antique theatre of Dalheim (Grand-Duchy of Luxembourg).
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RBINS Staff Publications 2025
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Why is it so difficult to work on geochemical composition? Supervised geochemical composition data processing to study colouring iron oxide-rich rocks in archaeological contexts.
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RBINS Staff Publications 2025
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A 17th century bell foundry in the belfry (UNESCO’s world Heritage site) of Gembloux (Belgium): an archaeometric study.
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RBINS Staff Publications 2025
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Étude archéométrique des céramiques de la Basse Époque à l’époque romaine d’Elkab (Haute Égypte) Présentation des céramiques en pâte calcaire de la Basse Époque à l’époque romaine d’Elkab (Haute Égypte).
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RBINS Staff Publications 2025
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Robert Garcet's Eben-Ezer Flint Tower (Bassenge, Belgium): from Stone Masonry to Stone Mythology.
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RBINS Staff Publications 2025
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Disentangling impact ejecta dynamics using micro–X‐Ray Fluorescence (μ‐XRF): A case study from the terrestrial cretaceous‐Paleogene (K‐Pg) boundary.
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RBINS Staff Publications 2025