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Preparation and optimization of calcium fluoride particles for dental applications

Koeser, Joachim ; Carvalho, Thiago ; Pieles, Uwe ; Lussi, Adrian

In: Journal of Materials Science: Materials in Medicine, 2014, vol. 25, no. 7, p. 1671-1677

Université de Fribourg

A new testudinoid turtle from the middle to late Eocene of Vietnam

Garbin, Rafaella C. ; Böhme, Madelaine ; Joyce, Walter G.

In: PeerJ, 2019, vol. 7, p. e6280

Testudinoidea is a major clade of turtles that has colonized different ecological environments across the globe throughout the Tertiary. Aquatic testudinoids have a particularly rich fossil record in the Tertiary of the northern hemisphere, but little is known about the evolutionary history of the group, as the phylogenetic relationships of most fossils have not been established with...

Université de Fribourg

Rhinocerotidae from the early middle miocene locality Gračanica (Bugojno basin, Bosnia-Herzegovina)

Becker, Damien ; Tissier, Jérémy

In: Palaeobiodiversity and Palaeoenvironments, 2019, p. -

The early middle Miocene (European Land Mammal Zone MN5) locality Gračanica (Bugojno Basin, Bosnia-Herzegovina) has yielded numerous well-preserved dental remains of four Rhinocerotidae species: Brachypotherium brachypus, Lartetotherium sansaniense, Plesiaceratherium balkanicum sp. nov. and Hispanotherium cf. matritense. This rhinocerotid assemblage is typical of the Orleanian European Land ...

Université de Fribourg

Eocene Western European endemic genus Thaumastosaurus: new insights into the question “Are the Ranidae known prior to the Oligocene?”

Vasilyan, Davit

In: PeerJ, 2018, vol. 6, p. e5511

Background Amphibians, due to their ecophysiological peculiarities, have a physiology dependent on environmental conditions and sensitively respond to their changes. Here, the oldest record of the genus Thaumastosaurus is described, whose fossil record known exclusively from Western Europe is discussed in the scope of the climatic changes of 33.5–40.5 Ma. Results In the present paper, the...