Figure 3. Stratigraphical section of the Reuchenette Formation in Ajoie, Canton of Jura, Switzerland, with a close-up on the Lower Virgula Marls.
MJSN BSY008-465 was found on the hardground level 4,000 in the Lower Virgula Marls. The stratigraphical chart is derived from Comment et al. (2015) and Püntener, Anquetin & Billon-Bruyat (2020).
