Images of fossil fish plate outside the entrance to the Galerie de Minéralogie et de Géologie which is part of the Muséum national d’histoire naturelle of Paris France. The fossils are identified as
Palaeorhynchus deshayesi. They are also known as Hemirhynchus (type of sailfish).
According to the Association des Géologues du Bassin de Paris
Facebook page, Stanislas-Étienne Meunier (1843-1925) published a discovery of these fossil fish 1872. They were found Puteaux limestone Seine near Paris, France.