Dictionnaire classique des sciences naturelles Brussels Meline Cans et Ce. 1853 Natural history Dictionaries, The illustration showcases three distinct fossilized specimens. On the left, a detailed skeleton of a prehistoric vertebrate, potentially a large amphibian, is depicted, highlighting its intricate bone structure. To the right, an elongated, elongated fossil resembling a reptile or ancient marine creature is illustrated, suggesting its streamlined shape adapted for aquatic life. At the bottom, a smaller skull, associated with the larger body, exhibits pronounced features characteristic of amphibian anatomy. The accompanying text identifies these specimens as significant representations of ancient life, providing key insights into the evolutionary history of vertebrates.