Fig. 1 in A new pliosaurid from the Pliensbachian, Early Jurassic of Normandy, Northern France

Fig. 1. Simplified stratigraphic section of the Lower Jurassic succession in the Roche−Blain quarry (modified from Dugué et al. 1998), with the possible stratigraphic position of the specimen Cryonectes neustriacus MAE 2007. 1.1(J), holotype, as indicated by arrows. Abbreviations: P. spi., Pleuroceras spinatum Ammonite Zone; D. ten., Dactylioceras tenuicostatum Ammonite Zone; H. serp., Harpoceras serpentinus Ammonite Zone; H. v., Haugia variabilis Ammonite Zone; A.P., "Argile à poissons" formation; M., mudstone; W., wackestone; P., packstone; G, grainstone.