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Article Reference The burning maze: The potential value of the human bony labyrinth in estimating sex of calcined remains
Estimating sex from burnt human remains is a challenging task in bioanthropology, mainly due to their high level of alteration and fragmentation. Protected within the petrous part of the temporal bone, the bony labyrinth may be particularly valuable for assessing the sex of burnt remains. This prospective study aims at testing predictive models, already found reliable on unburnt bony labyrinths, to burnt specimens. Six discriminant functions were applied on six bony labyrinths of donated adult cadavers of known sex, before and after outdoor burning experiments. Comparisons between unburnt and burnt measurements were executed using Mann–Whitney U tests while shape and size differences induced by fire exposure were examined through a geometric morphometrics (GM) analysis. Predicted sex on unburnt bony labyrinths was consistent with known sex in five cases while a systematic misclassification for males was highlighted on burnt specimens. Higher values of shrinkage were found in males for two measurements included in the equations. GM analysis revealed significant differences in centroid size among males after calcination. Visualization of mean consensus of both female and male bony labyrinths evidenced a reduction in cochlear size and variations in the width and length of semicircular canals of burnt specimens. This exploratory study seems to confirm that designing sex estimation standards specifically for burnt bony labyrinth may be advisable. Understanding how the burning process could impact its morphology is highly recommended through further experiments on larger samples and in controlled environments.
Located in Library / RBINS Staff Publications 2022
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
Article Reference The cave bear (Ursus spelaeus) from Goyet, Belgium. The bear den in Chamber B (bone horizon 4)
Located in Library / RBINS Staff Publications
Book Reference The Cetoniinae of Africa (Coleoptera: Scarabaeidae)
Located in Library / RBINS collections by external author(s)
Article Reference The cicada genus karenia Distant, 1888 (Hemiptera : Cicadidae), with description of a new species
Located in Library / RBINS Staff Publications
Article Reference The Cicada genus Semia matsumura, 1917 (Hemiptera: Cicadidae) from Vietnam, with new records and a key to species
Located in Library / RBINS Staff Publications
Article Reference The cochlea of the enigmatic pygmy right whale Caperea marginata informs mysticete phylogeny
Located in Library / RBINS Staff Publications 2017
Article Reference The composite Kortrijk section (W Belgium): a key reference for mid-Ypresian (Early Eocene) stratigraphy in the southern North Sea Basin.
The upper part of the Kortrijk Clay Formation (the Roubaix Clay and Aalbeke Clay Members of mid-Ypresian age) has been exposed in road and canal cuttings and clay quarries in the Kortrijk area (western Belgium), and penetrated by several cored boreholes. It is overlain disconformably by the Mont-Panisel Sand Member of the Hyon Sand Formation (upper middle Ypresian). The Roubaix Clay Member contains diverse and well-preserved calcareous nannofossils, dinoflagellate cysts, foraminifera, ostracods and other calcitic microfossils, and less well-preserved mollusc assemblages, while the Aalbeke Clay Member is secondarily decalcified. The calcareous nannofossil subdivision of upper NP11 and lower NP12 has been recognised in the Kortrijk area, and calibrated with the NW European mid-Ypresian dinoflagellate cyst, ostracod and planktonic foraminiferal zones and datums (e.g. Subbotina influx). Several medium-scale depositional sequences, with an estimated duration of 400 kyr or less, have been recorded. Their respective boundaries coincide with the resistivity maxima identified on the majority of the wireline log profiles of the Belgian Ypresian. Integrated biostratigraphic, magnetostratigraphic and sequence stratigraphic analysis enables correlation with other areas in Belgium, with the London Clay Formation of southern England, and with the standard chronostratigraphic scale. A marine erosion surface has been identified at the base of Unit 20 in the Kortrijk area (mid-Ypresian, early Biochron NP12, middle C24n.1n, ~ 52.8 Ma), corresponding to the first occurrence of estuarine channel-fill units in southern England. This indicates a brief but profound sea-level fall, either eustatically or tectonically controlled. The composite Kortrijk section is proposed as a reference section for the middle Ypresian in the southern North Sea Basin, and for similar settings in mid- to high-latitudes of the Northern Hemisphere (e.g. Kazakhstan and Crimea).
Located in Library / RBINS Staff Publications 2017
Article Reference The creodonts (mammalia, Ferae) from the Paleocene-Eocene transition in Belgium (Tienen Formation, MP7)
Study of the dental remains of creodont mammals from the Paleocene-Eocene transition in Belgium (Tienen Formation, reference-level MP7) allows seven species to be recognized, four of which belong to the family Hyaenodontidae and three to the Oxyaenidae. The four hyaenodontid species, which are new to science, present numerous symplesiomorphic characteristics. They represent the oldest hyaenodontids of northern Europe and are shown to be the most primitive representatives of the sub-family Hyaenodontinae known so far. They are closely related to the oldest North American species but the morphological differences between them demonstrate that they are not vicariant species. Thus, the Belgian species could be at the origin of the American hyaenodontid lineages or belong to lineages already distinct but recently differentiated from common ancestors slightly older than both of these species groups. As for oxyaenids, their dental morphology shows that they could originate from the North American Paleocene lineages, although their small size does not support this hypothesis. The smallest Belgian creodont, Prototomus minimus n. sp. is remarkable in that it may present sexual dimorphism in mandibular morphology.
Located in Library / RBINS Staff Publications
Inproceedings Reference The CRETACAM project: a new look at Santonian to Maastrichtian deposits of the Belgian Campine basin
The Royal Belgian Institute of Natural Sciences(RBINS) holds a collections of well over 7000 Cretaceous fossils that were collected by the RBINS staff in the early 1930ies during the construction of several coal mine shafts in the eastern part of the Belgian Campine Basin. These fossils include ammonites, nautilids, belemnites, bivalves (inoceramids and other), gastropods, crustaceans, brachiopods, echinoderms and other. The majority of the material is from mine shafts 1 and 2 of the Houthalen and Zolder mines, in-between 400 and 600 m below surface. Both mines are located in the eastern part of the Campine Basin. Since their discovery, the majority of this material has never been thoroughly studied and published. Detailed listings of the fauna and an overview in relation to the stratigraphy are absent. In the 1930ies, by the varying amounts of glauconite, chalk, sand, sandstone and the ‘Gyrolithes’ ichnofossils, the sediments between 400 and 600 m depth were interpreted as belonging to the ‘Smectite de Herve’ facies. Therefore, early students referred to fossils from this locality as Campanian in age, while more recent studies and ongoing work document Santonian to Maastrichtian ages with (from bottom to top) the Asdonk and Sonnisheide Members (Vaals Formation), the Zeven Wegen, Beutenaken Marl, Beutenaken Chalk, Vijlen and Lixhe Members (Gulpen Formation). The CRETACAM project aims for fully documenting the lithological, stratigraphical, paleontological and paleo- ecological changes in the Santonian to Maastrichtian sequence of the eastern part of the Campine Basin. In a first step, all locality information of all 7000 specimens was digitalized. In a second and ongoing step, the taxonomy of all specimens will be revised by an international team of paleontologists.
Located in Library / RBINS Staff Publications