found at different depths in the sedimentary layer. Paleogeography In Guadalupian time, most of the landmasses were united in one supercontinent, Pangea. It was roughly C-shaped: its northern (Laurasia) and southern (Gondwana) parts were connected to the west, but separated to the east by the very large Tethys Sea. A long string of microcontinents, grouped under the name Cimmeria, divided the Tethys in two : the Paleo-Tethys in the north, and the Neo-Tethys in the south. Sardinia was located in the equatorial belt of the time, at the level of the 10th parallel north. It was not an island at all and was part of Pangea. At that time, Sardinia (and Corsica) was connected to what is now southeastern France. The precise paleoposition of the Sardinia-Corsica block was determined in the early 2000s from detailed lithostratigraphic correlations between the Permian and Triassic successions of the Nurra region in northwestern Sardinia and the Toulon-Cuers Basin in Var department (where the Saint-Mandrier Formation is equivalent to the Cala del Vino Formation). The remarkable lithological similarities of the Nurra region with that of Toulon-Cuers Basin indicate that the two regions were initially closely faced each other and were parts of the same basin. The Sardinia-Corsica block was rotated 60° clockwise from its current orientation. The south of Sardinia was then located near the east of the Pyrenees (whose mountains did not yet exist), and the north-west of Corsica was positioned in front of the Massif de l'Esterel (the rhyolites of the Scandola peninsula aligning with those of the Esterel, of similar age and composition). Stratigraphic range No radiometric dating is available for the Cala del Vino formation. Its age estimates range from late Kungurian to early Capitanian. These ages are inferred on the basis of direct and indirect stratigraphic correlations with the Permian basins of Provence (including the Toulon-Cuers basin which constituted a single sedimentary basin with the Nurra region) and coupled with paleontological data from Provence and Occitania. The Cala del Vino Formation is lithostratigraphically correlated with the Saint-Mandrier Formation of the Toulon-Cuers basin. The Saint-Mandrier Formation has not yet yielded any fossils, but it probably dates from the Guadalupian because it locally overlies lacustrine limestones and black mudstones of the Bau Rouge Member of the Les Salettes Formation which have yielded macroflora and microflora, respectively, suggesting a late Kungurian - early Roadian age. The lower part of the Saint-Mandrier Formation is