Fig. 1From: New biostratigraphical data for the Burdigalian Montchaibeux Member at the locality Courrendlin-Solé (Canton of Jura, Switzerland)The small mammal locality Courrendlin-Solé (red square). a The geographic position in Switzerland. b Simplified geologic map of the NW Switzerland, with the position of the locality in the Delémont Basin. c Position of sampling sites at Courrendlin-Solé near the entrance of the future Choindez tunnelBack to article page