Indian Tertiary and post Tertiary Vertebrata Calcutta Geological Survey Office 1874-1902 India Paleontology Vertebrates Fossil, This illustration features a series of detailed depictions of fossilized teeth from various prehistoric mammals, specifically categorized under the Tertiary period. Each section is meticulously labeled, showcasing the distinctive shapes and characteristics of the dental structures, which are crucial for understanding the evolutionary adaptations of these species. The arrangement highlights different views and angles, emphasizing the intricacies of the enamel and the arrangement of cusps. This academic presentation serves as an important visual reference for paleontologists and researchers studying the anatomical features of ancient vertebrates.