Figure 1 from: Saucède T, Benetti S, David B (2013) Fossil echinoid (Echinoidea, Echinodermata) diversity of the Early Cretaceous (Hauterivian) in the Paris Basin (France). ZooKeys 325: 65-75. https://doi.org/10.3897/zookeys.325.5085

Figure 1 - Geographic, geologic, and stratigraphic settings. A. Map showing the area of the Paris Basin (France) where the Calcaires à Spatangues Fm. crops out (modified after Courtinat et al. 2006 and Saucède et al. 2012). Distribution of main lithofacies as defined by Rat et al. (1987). B. Calcaires à Spatangues Fm. section at Lantages 48°08'N, 4°24'E (modified after Rat et al. 1987)