Made in France this mounted fossil looks like a classroom aid piece created by Émile Deyrolle .Émile Deyrolle (1838–1917) was a French naturalist and natural history dealer in Paris. The business was originally owned by his naturalist grandfather, Jean-Baptiste Deyrolle who opened his shop in 1831 at 23, Rue de la Monnaie. Émile’s father Achille Deyrolle ran the business for many years. Émile took over in 1866. The address from 1881 (and now) was (and is) 46, Rue du Bac, the former home of Jacques Samuel Bernhart. Deyrolle specialized in natural history publications and specimens taxidermy, minerals, rocks, fossils, botanical specimens, shells, taxidermy, microscopic specimens and microscopes.
Trilobites are a group of extinct marine arthropods that first appeared around 521 million years ago, shortly after the beginning of the Cambrian period, living through the majority of the Palaeozoic Era, for nearly 300 million years.
Size H.13 x 7. in 
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