Important geological plate of tridactyl footprints of bipedal dinosaurs from the Infralias du Veillon (Vendée). Length: 69 cm. Width 60 cm. Also included: Mémoires de la société géologique de France. Les empreintes de pas de reptiles de l'Infralias du Veillon (Vendée). By Albert de lapparent and Christine Montenat. 1967, Paris.

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