Fig. 2From: Jaws of a large belemnite and an ammonite from the Aalenian (Middle Jurassic) of SwitzerlandCephalopod jaws from the Opalinum Clay Formation of northern Switzerland. a PIMUZ 5942, upper jaw of an ammonoid (Leioceras opalinum?). b, c PIMUZ 6077, lower jaw of a megateuthid belemnite (Acrocoelites conoideus?); b ventral view, c dorsal view. d PIMUZ 6076, upper jaw of a megateuthid belemnite (M. rhenana?), seen laterallyBack to article page