Photograph 2

a Tojeira Formation section 1 of Fig. 7 (left), Portugal; the basal limestone intercalations correspond to those drafted in Fig. 7 (left, base). In the foreground, a field with small walnut tree plantation, covering 35–50 m of unexposed section above the Montejunto Formation marls and limestones in section Tojeira 1 of transect 2 (Fig. 4); b Basal marls and single limestone bed of the Tojeira Member in Tojeira 1 section, also shown in Photograph a. c Minor outcrop of silty upper Tojeira shales in the Tojeira x-T3 section of Fig. 4, discovered in 2016 (with Turner waving and Watkins)