Indian Tertiary and post Tertiary Vertebrata. Calcutta, Geological Survey Office, 1874-1902, India, paleontology, vertebrates, fossil, The illustration displays various fossilized dental remains categorized under the Tertiary period of vertebrates. It features five distinct specimens, each labeled with letters for identification. The top section includes a set of molars showcasing their complex structure, while the following examples display different jaw sections, highlighting variations in size and morphology. The detailed rendering emphasizes the intricacies of the dental features, providing insights into the anatomy and evolution of prehistoric species. The context suggests a focus on paleontological research, contributing to the understanding of extinct fauna and their ecological niche.