Variety of tropical shells including Patella, Fissurella, Calyptraea, pink Pileopsis, green Dentalium and Chiton shells.. Patelle commune : Patella vulgata. Fissurelle en bateau : Fissurella nimbosa. Calyptree scabre : Calyptraea equestris. Cabochon bonnet hongrois : Pileopsis hungarica. Dentale elephantine : Dentalium elephantinum. Oscabrion ecailleux : Chiton squamosus. Handcolored engraving from Charles d'Orbigny's "Dictionnaire Universel d'Histoire Naturelle" (Universal Dictionary of Natural History) 1849. Charles d'Orbigny (1806~76) was a French naturalist. His father Charles Marie was a doctor in the French army and his elder brother Alcide was a famous naturalist and paleontologist. Charles started his studies at La Rochelle then left to study medicine in Paris. In 1834, he won an appointment in the geology department at the National Museum of Natural History. From 1837 to 1864 he headed the department of natural history, until ill health forced him to quit. He died in Paris on