Fig. 5From: First record of the leptonectid ichthyosaur Eurhinosaurus longirostris from the Early Jurassic of Switzerland and its stratigraphic framework Catacoeloceras raquinianum, lateral (a) and ventral view (b). This ammonite from the boundary of the Bifrons/Variabilis zones was found in association with the remains of Eurhinosaurus longirostris (see Fig. 4)Back to article page