Fig. 1From: Peter Kürsteiner and Christian Klug 2018. Fossilien im Alpstein. Kreide und Eozän der Nordostschweiz. Appenzeller Verlag, 372 pp(Reproduced with permission from © Appenzeller Verlag)Reconstruction of the marine palaeoenvironment during the Early Aptian (Oberer Schrattenkalk) by Scheffold and Klug (Kürsteiner and Klug 2018, Fig. 21 on p. 35)Back to article page